CN214978282U - Numerical control tapping machine for aviation sheet metal parts - Google Patents

Abstract

The utility model discloses a numerical control tapping machine for aviation sheet metal parts, which is applied to the field of tapping machines and solves the problem that the prior tapping machine is not easy to fix a clamping workpiece; the frame is connected with a positioning and clamping assembly, and the positioning and clamping assembly comprises a positioning pin fixed on one side of the workbench, a limiting plate arranged on the adjacent side of the positioning pin and a pneumatic clamping jaw fixedly connected with the limiting plate; the limiting plate is connected with a moving assembly which drives the limiting plate to slide along the workbench; a plurality of sliding parts are arranged on the workbench; the positioning device has the technical effects that the workpiece is positioned by arranging the positioning pin and the limiting plate; the pneumatic clamping jaw is connected with the limiting plate to clamp the workpiece, and the workbench is provided with the universal ball, so that the pneumatic clamping jaw can drive the workpiece to move conveniently; the material pressing rod is arranged on one side, far away from the pneumatic clamping jaw, of the screw tap, and the material pressing rod is matched and fixed with the pneumatic clamping jaw.

Description

Numerical control tapping machine for aviation sheet metal parts

Technical Field

The utility model relates to a tapping machine field, in particular to numerical control tapping machine for aviation sheet metal component.

Background

At present, a Chinese patent with publication number CN103990862B discloses a full-automatic numerical control tapping machine, which comprises a frame and a workbench arranged in the middle of the frame, wherein two sides of the workbench are respectively provided with a liftable table top, the table top is provided with a cylinder, the cylinder is connected with a sucker, and the cylinder is also connected with a mechanical arm; and a screw tap is arranged above the workbench and is connected with a main shaft and a main shaft servo motor, the main shaft is connected with an X-direction driving assembly, a Y-direction driving assembly and a Z-direction driving assembly, and a mechanical arm driving cylinder, the main shaft servo motor, an X-direction driving device, a Y-direction driving device and a Z-direction driving device are all connected with a numerical control device.

Although the tapping machine realizes tapping of workpieces, in the actual use process, the workpieces are clamped and fixed through the mechanical arm, the workpieces and the mechanical arm move together, and when the screw tap is used for machining the workpieces, the mechanical arm is easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an aviation is numerical control tapping machine for sheet metal component, its advantage is convenient for fix the processing work piece.

The above technical purpose of the present invention can be achieved by the following technical solutions: a numerical control tapping machine for aviation sheet metal parts,

the automatic screw tap machine comprises a rack and a workbench fixed on the rack, wherein a screw tap is connected to the rack, and a driving assembly is connected to the screw tap;

the frame is connected with a positioning and clamping assembly, and the positioning and clamping assembly comprises a positioning pin fixed on one side of the workbench, a limiting plate arranged on the adjacent side of the positioning pin and a pneumatic clamping jaw fixedly connected with the limiting plate; the limiting plate is connected with a moving assembly which drives the limiting plate to slide along the workbench; the workbench is provided with a plurality of sliding parts protruding out of the workbench surface.

Through the technical scheme, the positioning pin is arranged on one side of the workbench and used for positioning one side of the workpiece; the limiting plate is arranged on the adjacent side of the workbench, is matched with the positioning pin and abuts against the two sides of the workpiece, and then the workpiece is positioned; the pneumatic clamping jaw is fixedly connected with the limiting plate and used for clamping the positioned workpiece; the moving assembly is connected with the limiting plate and used for driving the limiting plate to move so as to move the workpiece below the screw tap; the sliding part protrudes out of the table top of the workbench, so that the friction between the workpiece and the workbench is reduced, and the workpiece can conveniently move along with the pneumatic clamping jaw; the driving assembly is connected with the screw tap and used for driving the screw tap to process a workpiece.

The utility model discloses further set up to: the sliding part is a universal ball.

Through the technical scheme, the universal idler wheel is convenient for adjusting the position of the workpiece on the workbench, and the workpiece is convenient to offset the positioning pin and the limiting plate.

The utility model discloses further set up to: the positioning pin is connected with the workbench in a sliding mode.

Through the technical scheme, the positioning pin is connected with the workbench in a sliding manner, and when a workpiece is positioned, the positioning pin slides out to position the workpiece; when the workpiece does not need to be positioned, the positioning pin slides down, so that the worker is prevented from touching the positioning pin when taking the workpiece, and the workpiece is prevented from being damaged.

The utility model discloses further set up to: a pin box is fixed on the workbench, and a through hole for a positioning pin to pass through is formed in the pin box; and one side of the pin box, which is far away from the workbench, is provided with a limiting groove, and the positioning pin is provided with a holding part.

Through the technical scheme, the pin box is fixed on the workbench and used for installing the positioning pin; the positioning pin penetrates through the through hole to slide in the pin box, and the holding part is fixedly connected with the positioning pin and used for driving the positioning pin to slide up and down; the limiting groove is formed in the pin box and used for limiting the position of the holding part and further fixing the positioning pin.

The utility model discloses further set up to: the screw tap is provided with a plurality of screw taps, one group of driving assemblies correspondingly drives one screw tap, and one group of driving assemblies comprises a rotating column connected with the screw tap and a hydraulic cylinder driving the rotating column to move up and down; the hydraulic cylinder comprises a piston rod rotationally connected with the rotating column and a cylinder barrel sleeved on the outer side of the piston rod; a cavity is arranged in the piston rod, and a power source connected with the rotating column is arranged in the cavity.

Through the technical scheme, the plurality of screw taps work together, so that the workpiece tapping speed is increased, and the efficiency is improved; each screw tap corresponds to one group of driving assemblies, each screw tap works independently, the mutual influence is small, and the machining efficiency is indirectly improved; the piston rod is connected with the rotating column, and the power source is arranged in a cavity of the piston rod and used for driving the rotating column to rotate so as to drive the screw tap to rotate; the hydraulic cylinder is used for driving the rotating column to move up and down.

The utility model discloses further set up to: and a material pressing rod is arranged on one side, far away from the pneumatic clamping jaw, of the screw tap.

Through above-mentioned technical scheme, the one side of pneumatic clamping jaw fixed work piece, press the material pole to set up in the one side that pneumatic clamping jaw was kept away from to the screw tap, press material pole and work piece to offset, the opposite side of fixed work piece prevents that the work piece from to one side warpage when the tapping from influencing the tapping effect.

The utility model discloses further set up to: and a material baffle plate is arranged at the feeding position of the rack.

Through above-mentioned technical scheme, have the convex inclined plane that makes progress on the part work piece, the striker plate sets up in the feeding department of frame, prevents that this type of work piece from getting into fish tail in the organism, damaging screw tap and drive assembly.

The utility model discloses further set up to: a scrap collecting groove is formed in the workbench and communicated with a waste material port, and the scrap collecting groove is obliquely arranged; the chip collecting groove is provided with a filter screen, and a water storage tank is communicated with the lower part of the filter screen.

Through the technical scheme, the scrap collecting groove is obliquely arranged, so that scraps rushing into the scrap collecting groove are conveniently discharged to the waste material port; the filter screen sets up on the chip groove for filter the sparge water, filter screen below intercommunication storage water tank, be convenient for to the recycle of wash water.

To sum up, the utility model discloses following beneficial effect has:

1. positioning a workpiece by arranging a positioning pin and a limiting plate; the pneumatic clamping jaw is connected with the limiting plate to clamp the workpiece, and the workbench is provided with the universal ball, so that the pneumatic clamping jaw can drive the workpiece to move conveniently; a material pressing rod is arranged on one side, away from the pneumatic clamping jaw, of the screw tap, and the material pressing rod is matched and fixed with the pneumatic clamping jaw;

2. the waste scraps and the cleaning fluid are collected by arranging the scrap collecting groove, the filter screen and the water storage tank, and the waste scraps are transmitted to the waste material port and discharged out of the machine body; the cleaning liquid flows into the water storage tank through the filter screen, so that the cleaning liquid can be recycled.

Drawings

Fig. 1 is an overall configuration diagram of the present embodiment;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a cross-sectional schematic view of a chip pocket of the present embodiment;

FIG. 4 is a schematic sectional view of the driving assembly of the present embodiment;

FIG. 5 is a schematic structural diagram of the moving assembly of the present embodiment;

fig. 6 is a schematic structural view of the carriage of the present embodiment.

Reference numerals: 1. a frame; 2. a work table; 3. a screw tap; 4. a drive assembly; 5. positioning the clamping assembly; 6. a moving assembly; 7. a base; 8. mounting a shell; 9. a chip collecting groove; 10. a waste treatment chamber; 11. a waste material port; 12. filtering with a screen; 13. a water storage tank; 14. an access door; 15. a striker plate; 16. a control panel; 17. a slider; 18. positioning pins; 19. a limiting plate; 20. a pneumatic clamping jaw; 21. a pin box; 22. a limiting groove; 23. a grip portion; 25. a slider; 26. a first lead screw; 27. a first servo motor; 28. a mounting seat; 29. a slide rail; 30. a connecting plate; 31. rotating the column; 32. a hydraulic cylinder; 33. a piston rod; 34. a cylinder barrel; 35. a power source; 36. a slide base; 37. a laser locator; 38. a water flushing head; 39. a delivery assembly; 40. a guide rail; 41. a second lead screw; 42. a second servo motor; 43. a threaded pipe; 44. a connecting frame; 45. a slider; 46. a squeegee; 47. a material pressing rod; 49. and (5) a workpiece.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1, 2 and 5, the numerical control tapping machine for the aviation sheet metal part comprises a machine frame 1, a workbench 2 connected with the machine frame 1, a screw tap 3 and a driving assembly 4; the workbench 2 is connected with a positioning clamping assembly 5 and a moving assembly 6; the frame 1 is used as a support frame of the equipment and is used for mounting other components; the workbench 2 is fixedly connected with the frame 1 and is used for placing a workpiece 49; the driving assembly 4 is arranged in the machine frame 1 and drives the screw tap 3 to move to machine a workpiece 49; the positioning and clamping assembly 5 is arranged on the side surface of the workbench 2 and is used for positioning and clamping a workpiece 49; the moving assembly 6 is fixedly connected with the workbench 2, and drives the positioning and clamping assembly 5 to move, so as to drive the workpiece 49 to move below the screw tap 3.

Referring to fig. 1, 3 and 4, the housing 1 includes a base 7 and a mounting case 8 provided on the base 7; supporting legs are arranged below the base 7, chip collecting grooves 9 are formed in the base 7, the chip collecting grooves 9 are arranged below the mounting shell 8, and the number of the chip collecting grooves 9 is two, and the two chip collecting grooves are respectively arranged on the left side and the right side of the base 7; the chip collecting groove 9 is obliquely arranged from the back of the base 7 to the front of the base 7; a waste treatment cavity 10 is arranged in the base 7, the two chip receiving grooves are communicated with the waste treatment cavity 10, the waste treatment cavity 10 is obliquely arranged and inclines to the left side from the right side of the base 7, the waste treatment cavity 10 is communicated with the outside of the base 7, and a waste opening 11 is formed at the communication position; the waste material port 11 is arranged on the left side of the base 7; a filter screen 12 is further arranged below the chip collecting groove 9, the filter screen 12 is provided with a double layer, and a water storage tank 13 is communicated below the filter screen 12.

Referring to fig. 1, the front side surface of the mounting case 8 is opened with an access door 14, and the access door 14 is arranged at the left side; the lower end of the front side of the mounting shell 8 is provided with a striker plate 15, the striker plate 15 is connected with the mounting shell 8 through a hinge, and the hinge is connected to the outer side of the mounting shell 8; a control panel 16 is arranged on the right side of the mounting shell 8; the workbench 2 is fixed above the base 7, a plurality of sliding parts 17 are arranged on the workbench 2 in order, and the sliding parts 17 are universal rollers.

Referring to fig. 1, 2 and 3, the positioning and clamping assembly 5 includes a positioning pin 18 disposed in front of the worktable 2, a limiting plate 19 disposed on the right side of the worktable 2, and a pneumatic clamping jaw 20 fixedly connected to the limiting plate 19; a pin box 21 is arranged between the positioning pin 18 and the workbench 2; the pin box 21 is in a box shape, one side of the pin box is fixedly connected with the workbench 2, the other side of the pin box is provided with a limiting groove 22, and the limiting groove 22 is in a U shape inclined by 90 degrees; the top end of the pin box 21 is flush with the table top of the workbench 2; a through hole is formed in the upper side of the pin box 21, the positioning pin 18 is connected with the pin box 21 in a sliding mode, a holding part 23 is arranged on the positioning pin 18, and the holding part 23 is arranged in the limiting groove 22; two sets of two limiting plates 19 are arranged, each set comprises two limiting plates, the pneumatic clamping jaw 20 is fixed between the limiting plates 19, and a pneumatic element is arranged at one end, far away from the workbench 2, of the pneumatic clamping jaw 20.

Referring to fig. 5, the limit plate 19 is fixedly connected with a slide 25, and the moving assembly 6 includes a first lead screw 26 defining the moving direction of the slide 25 and a first servo motor 27 driving the first lead screw 26 to rotate; the right side of the base 7 is fixed with a mounting seat 28, the mounting seat 28 is provided with a slide rail 29, the slide block 25 is arranged above the slide rail 29, the lower part of the limit plate 19 is provided with a connecting plate 30, the connecting plate 30 is fixedly connected with the slide block 25, and the pneumatic element and the pneumatic clamping jaw 20 are fixed above the connecting plate 30.

Referring to fig. 1 and 4, the taps 3 are provided in four, four taps 3 arranged in parallel in a row; each screw tap 3 is connected with a group of driving components 4, each group of driving components 4 comprises a rotating column 31 fixedly connected with the screw tap 3 and a hydraulic cylinder 32 driving the rotating column 31 to move up and down, each hydraulic cylinder 32 comprises a piston rod 33 rotatably connected with the rotating column 31 and a cylinder barrel 34 sleeved outside the piston rod 33, one end of each rotating column 31 is arranged inside the corresponding piston rod 33, a closed cavity is arranged in each piston rod 33, and a power source 35 connected with the rotating column 31 is arranged in each closed cavity; the hydraulic cylinder 32 is connected with a sliding seat 36, the four hydraulic cylinders 32 are fixedly connected with the sliding seat 36, and a laser positioner 37 is fixed on the sliding seat 36; the periphery of each tap 3 is correspondingly provided with a flushing head 38, the flushing head 38 is connected with a water pipe, one end of the water pipe is fixedly connected with the flushing head 38, and the other end of the water pipe extends into the water storage tank 13.

Referring to fig. 4 and 6, a conveying assembly 39 for driving the slide carriage 36 to move left and right is arranged in the mounting shell 8, and the conveying assembly 39 comprises a guide rail 40 for limiting the moving direction of the slide carriage 36, a second screw rod 41 for driving the slide carriage 36 to move, and a second servo motor 42 for driving the screw rod to rotate; two guide rails 40 are arranged, and two ends of the two guide rails 40 are fixedly connected with the mounting shell 8; the slide 36 includes a threaded pipe 43 engaged with the second lead screw 41, a connection frame 44 connecting the threaded pipe 43 and the hydraulic cylinder 32; a sliding block 45 is arranged between the connecting frame 44 and the guide rail 40, scraping plates 46 are arranged on two sides of the connecting frame 44, the scraping plates 46 are abutted against the workbench 2, and the scraping plates 46 are in a horn mouth shape from top to bottom; a material pressing rod 47 is arranged on one side, away from the pneumatic clamping jaw 20, of the connecting frame 44, the material pressing rod 47 is connected with an air cylinder, and a rubber cushion is arranged at one end, close to the workbench 2, of the material pressing rod 47.

Working process and principle of the embodiment

The holding part 23 is moved, the positioning pin 18 extends out of the pin box 21, a workpiece 49 is placed on the workbench 2, one side of the workpiece 49 abuts against the positioning pin 18, the other adjacent side of the workpiece 49 abuts against the limiting plate 19, the pneumatic element controls the pneumatic clamping jaws 20 to clamp the workpiece 49, the first servo motor 27 drives the first screw rod 26 to rotate, the pneumatic clamping jaws 20 and the workpiece 49 are further driven to move to the lower side of the screw tap 3, the second servo motor 42 drives the second screw rod 41 to rotate, the sliding seat 36 to move, the screw tap 3 corresponds to a through hole in the workpiece 49 below, the power source 35 drives the rotating column 31 to rotate, the screw tap 3 is further driven to rotate, the piston rod 33 moves up and down, the rotating column 31 and the screw tap 3 move up and down, and the through hole in the workpiece 49 is tapped.

The scraps produced in the processing process are pushed into the scrap collecting groove 9 by the cooperation of the flushing head 38 and the scraping plate 46, the scraps enter the waste treatment cavity 10 by passing through the scrap collecting groove 9 and then pass through the waste port 11 to be discharged out of the machine body, and the cleaning liquid used for washing flows through the filter screen 12 of the scrap collecting groove 9 and flows into the water storage tank 13 for next cleaning.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. A numerical control tapping machine for aviation sheet metal parts,

the screw tap machine is characterized by comprising a rack (1) and a workbench (2) fixed on the rack (1), wherein the rack (1) is connected with a screw tap (3), and the screw tap (3) is connected with a driving assembly (4);

the machine frame (1) is connected with a positioning and clamping assembly (5), and the positioning and clamping assembly (5) comprises a positioning pin (18) fixed on one side of the workbench (2), a limiting plate (19) arranged on one side adjacent to the workbench (2), and a pneumatic clamping jaw (20) fixedly connected with the limiting plate (19); the limiting plate (19) is connected with a moving assembly (6) which drives the limiting plate (19) to slide along the workbench (2); the workbench (2) is provided with a plurality of sliding parts (17) protruding out of the workbench surface of the workbench (2).

2. The numerical control tapping machine for aviation sheet metal parts according to claim 1, wherein the sliding member (17) is a ball gimbal.

3. The numerical control tapping machine for the aviation sheet metal parts as claimed in claim 2, characterized in that said positioning pin (18) is slidingly connected to the worktable (2).

4. The numerical control tapping machine for the aviation sheet metal parts as claimed in claim 3, wherein a pin box (21) is fixed on the workbench (2), and a through hole for a positioning pin (18) to pass through is formed in the pin box (21); one side of the pin box (21) far away from the workbench (2) is provided with a limiting groove (22), and the positioning pin (18) is provided with a holding part (23).

5. The numerical control tapping machine for the aviation sheet metal parts as claimed in claim 1, wherein a plurality of taps (3) are provided, one group of driving assemblies (4) correspondingly drives one tap (3), and one group of driving assemblies (4) comprises a rotating column (31) connected with the tap (3) and a hydraulic cylinder (32) driving the rotating column (31) to move up and down; the hydraulic cylinder (32) comprises a piston rod (33) rotationally connected with the rotating column (31) and a cylinder barrel (34) sleeved on the outer side of the piston rod (33); a closed cavity is arranged in the piston rod (33), and a power source (35) connected with the rotating column (31) is arranged in the closed cavity.

6. The numerical control tapping machine for the aviation sheet metal parts is characterized in that a pressing rod (47) is arranged on one side, away from the pneumatic clamping jaws (20), of the tap (3).

7. The numerical control tapping machine for the aviation sheet metal parts as claimed in any one of claims 1 to 5, wherein a striker plate (15) is arranged at the feeding part of the frame (1).

8. The numerical control tapping machine for the aviation sheet metal part as claimed in claim 1, wherein a chip collecting groove (9) is formed in the workbench (2), the chip collecting groove (9) is communicated with a waste material port (11), and the chip collecting groove (9) is obliquely arranged; be equipped with filter screen (12) on chip groove (9), filter screen (12) below intercommunication has storage water tank (13).

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