CN219724634U - Long shaft end face drilling device - Google Patents

Abstract

The utility model relates to a long shaft end face drilling device, which belongs to the field of radial drilling machine processing, and comprises a sinking groove arranged on the ground at one side of a radial drilling machine, wherein the bottom of the sinking groove is rotationally connected with a supporting plate capable of lifting, the upper end of the sinking groove is rotationally connected with a rotating plate, the rotating plate and the supporting plate are fixedly connected with a telescopic connecting rod together, the same position of the rotating plate and the supporting plate is provided with a plurality of three-jaw chucks in a matched manner, the three-jaw chucks of the rotating plate and the supporting plate are respectively used for fixing the upper end and the lower end of a long shaft workpiece, and the tightening or loosening of the three-jaw chucks on the rotating plate can be synchronously controlled by controlling the tightening or loosening of the three-jaw chucks on the supporting plate. The utility model has the effect of enabling the radial drilling machine to conveniently punch the long shaft workpiece.

Description

Long shaft end face drilling device

Technical Field

The utility model relates to the field of radial drilling machine processing, in particular to a long shaft end face drilling device.

Background

The radial drilling machine is a drilling machine with a rocker arm capable of rotating and lifting around a vertical column and a main shaft box horizontally moving on the rocker arm, and can be used for drilling, reaming, tapping, trimming, end face trimming and other various types of machining.

When a common workpiece is drilled, the workpiece is usually clamped on a workbench. When large-scale work piece is processed, can be with the work piece clamping on the drilling machine base. According to the difference of the heights of the workpieces, after the locking device is loosened, the rocker arm can move up and down along the upright post, so that the spindle box and the drill bit are positioned at proper height positions.

In the related art, when the radial drilling machine drills the long shaft end face, the lifting height of the radial drilling machine is limited, and the height of the workbench is fixed, so that the long shaft end face exceeding the lifting height of the radial drilling machine cannot be processed.

Disclosure of Invention

In order to enable the radial drilling machine to conveniently conduct punching work on a long shaft workpiece, the utility model provides a long shaft end face drilling device.

The utility model provides a long shaft end face drilling device which adopts the following technical scheme:

the utility model provides a major axis terminal surface drilling equipment, including seting up in the heavy groove on radial drill one side ground, heavy groove bottom rotation is connected with the backup pad that can go up and down, heavy groove upper end rotation is connected with the rotor plate, and the rotor plate is fixed with the connecting rod that can stretch out and draw back with the backup pad joint jointly, and rotor plate and backup pad the same position department cooperation is provided with a plurality of three-jaw chucks, and rotor plate and backup pad's three-jaw chuck are used for fixed major axis work piece's upper and lower both ends respectively, and the three-jaw chuck tightens up or loosens in the control rotor plate can the synchronous control backup pad tightening or loosening of three-jaw chuck.

Through adopting above-mentioned scheme, insert heavy groove with many major axis work pieces simultaneously from heavy groove upper end rotor plate's three-jaw chuck position department in, adjust the position of backup pad, make the backup pad can the butt in major axis work piece lower extreme, and make major axis work piece pass the three-jaw chuck in the backup pad, two upper and lower three-jaw chucks are passed respectively at major axis work piece's length direction both ends, the three-jaw chuck on the control rotor plate tightens up and can control the tightening of three-jaw chuck in the backup pad simultaneously, make major axis work piece firmly fix in heavy groove, start radial drilling machine and punch the work to the major axis work piece, after the completion of punching of a major axis work piece, rotate the rotor plate, make next major axis work piece be close to radial drilling machine, continue the work of punching, loosen the three-jaw chuck and take out the major axis work piece after the completion of all punching. This scheme can improve the condition that can't carry out processing to the major axis work piece because of radial drilling machine's promotion height is limited, and the major axis work piece stretches into in the heavy groove on ground, and radial drilling machine can be convenient punch it, and secondly, the major axis work piece is fixed both ends respectively through two upper and lower three jaw chucks, and is fixed more firm, improves the stability of processing, and control upside three jaw chuck tightens up or loosens and can control downside three jaw chuck synchronization simultaneously and go on, convenient operation, simple and practical.

Preferably, the three-jaw chuck comprises chuck body, three jack catch and the actuating mechanism of the groove of stepping down of having seted up at the center, jack catch sliding connection is close to or keeps away from in chuck body upside and can be to the groove department of stepping down, actuating mechanism is including rotating the driving disk of connecting in the chuck body, the screw thread groove has been seted up to driving disk correspondence jack catch one side, the jack catch corresponds driving disk one side and has seted up the screw thread with the screw thread groove meshing, driving disk keeps away from jack catch one side and is the butterfly bevel gear, chuck body side corresponds the butterfly bevel gear one side of driving disk and is provided with horizontal drive shaft, drive shaft corresponds butterfly bevel gear one end and is provided with the bevel gear that meshes with it, rotate the drive shaft and can drive the jack catch and be close to slip locking major axis work piece each other.

Through adopting above-mentioned scheme, long axis work piece passes from the groove of stepping down, rotates the drive shaft and makes the bevel gear rotate, and bevel gear and the solid bevel gear of driving disk's butterfly bevel gear meshing rotate can drive the driving disk and rotate, and the driving disk upside passes through the screw thread groove and the screw thread meshing of jack catch downside, and during the driving disk rotation, three jack catch can be simultaneously to being close to the groove direction removal of stepping down and press from both sides tight long axis work piece, and during driving disk counter-rotation, three jack catch then moves to keeping away from the groove direction of stepping down simultaneously and loosens long axis work piece.

Preferably, the driving shafts are fixedly connected with first end face gears, rotating shafts are arranged between the upper three-jaw chucks and the lower three-jaw chucks which are correspondingly matched in the sinking grooves, and second end face gears meshed with the second end face gears are fixedly connected at the positions, corresponding to the first end face gears, of the two ends of the rotating shafts in the length direction.

Through adopting above-mentioned scheme, rotate the pivot to drive second face gear and rotate, second face gear rotates and drives two upper and lower first face gears rotation simultaneously, and then realizes the drive shaft of two upper and lower three-jaw chucks and rotates simultaneously, realizes the synchronous locking or the relaxation of two upper and lower three-jaw chucks.

Preferably, the driving shaft is rotatably connected with a shaft sleeve at the position corresponding to the first end face gear, the rotating shaft is rotatably connected in the shaft sleeve, and a deep groove ball bearing is arranged at the position corresponding to the rotating shaft.

Through adopting above-mentioned scheme, the pivot supports spacingly through the axle sleeve, and simultaneously, pivot and axle sleeve rotation junction are provided with deep groove ball bearing, can reduce the frictional force of rotation department, make pivot pivoted more smooth and easy, increase transmission efficiency.

Preferably, friction ribs are arranged on one sides of the clamping jaws, which are close to each other.

Through adopting above-mentioned scheme, friction bead can increase the frictional force between jack catch and the major axis work piece, makes the jack catch can be better fix the major axis work piece, reduces the probability that appears not hard up between major axis work piece and the jack catch, is favorable to going on of high accuracy processing.

Preferably, the bottom of the sinking tank is provided with a cylinder, and a piston rod of the cylinder is vertically upwards and rotatably connected to the lower side of the supporting plate.

Through adopting above-mentioned scheme, the backup pad realizes going up and down through the promotion of cylinder, and then realizes the lift of three-jaw chuck in the backup pad, and then realizes the fixed to major axis work piece lower extreme.

Preferably, the bottom of the sinking tank is provided with a telescopic supporting rod, and the upper end of the supporting rod is fixedly connected to the lower side of the supporting plate.

Through adopting above-mentioned scheme, the bracing piece can play the supporting role to the backup pad, is provided with a plurality of three-jaw chucks in the backup pad, bears great weight, and the bracing piece can effectually prevent the backup pad to appear rocking probability when rising or descending, makes the structure more stable.

Preferably, the upper side of the sinking groove is rotationally connected with a mounting plate, the mounting plate is provided with a mounting groove corresponding to the position of the supporting plate, the rotating plate is fixedly connected in the mounting groove, the ground is fixedly connected with a positioning block corresponding to the outer side of the mounting plate, the positioning block and the mounting plate are jointly provided with positioning holes, and the positioning block is internally provided with positioning pins corresponding to the positioning holes.

Through adopting above-mentioned scheme, insert the locating pin, can realize the fixed of rotor plate and mounting panel, when radial drill carries out work, need fixed the rotor plate, prevent that the rotor plate from rotating the condition that makes major axis work piece take place the displacement, after finishing a major axis work piece, pull out the locating pin, rotate the rotor plate, rotate next major axis work piece near to radial drill after, insert the locating pin again fixedly.

In summary, the utility model has the following beneficial effects:

1. inserting many major axis work pieces simultaneously in sinking the groove from the three-jaw chuck position department of sinking groove upper end rotor plate, adjust the position of backup pad, make the backup pad can the butt in major axis work piece lower extreme, and make major axis work piece pass the three-jaw chuck in the backup pad, two three-jaw chuck about the length direction both ends of major axis work piece pass respectively, the three-jaw chuck on the control rotor plate tightens up can the tightening of three-jaw chuck in the simultaneous control backup pad, make the major axis work piece firmly fix in sinking groove, start radial drilling machine and punch the work to the major axis work piece, after a major axis work piece punches, rotate the rotor plate, make next major axis work piece be close to radial drilling machine, continue the work of punching, loosen the three-jaw chuck and take out the major axis work piece after all punching is accomplished. According to the scheme, the situation that a long shaft workpiece cannot be machined due to limited lifting height of the radial drilling machine can be improved, the long shaft workpiece stretches into a sinking groove on the ground, the radial drilling machine can conveniently punch the long shaft workpiece, two ends of the long shaft workpiece are respectively fixed through the upper three-jaw chuck and the lower three-jaw chuck, the fixing is firmer, the machining stability is improved, the upper three-jaw chuck is controlled to tighten or loosen, the lower three-jaw chuck can be controlled to synchronously operate, and the radial drilling machine is convenient, simple and practical;

2. the rotating shaft is rotated, the second end face gear is driven to rotate, the second end face gear rotates and simultaneously drives the upper end face gear and the lower end face gear to rotate, and further, the driving shafts of the upper three-jaw chuck and the lower three-jaw chuck rotate simultaneously, and synchronous locking or loosening of the upper three-jaw chuck and the lower three-jaw chuck is achieved;

3. the locating pin is inserted, the fixing of the rotary plate and the mounting plate can be achieved, when the radial drilling machine works, the rotary plate is required to be fixed, the rotary plate is prevented from rotating to enable the long shaft workpiece to displace, after one long shaft workpiece is machined, the locating pin is pulled out, the rotary plate is rotated, and after the next long shaft workpiece is rotated to the vicinity of the radial drilling machine, the locating pin is inserted again to be fixed.

Drawings

FIG. 1 is a schematic view of a long axis end drilling apparatus according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the internal structure of a protruding countersink of a long axis end drilling apparatus according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a protruding three-jaw chuck of a long axis end drilling apparatus according to an embodiment of the present utility model;

FIG. 4 is an exploded view of the internal structure of the three-jaw chuck;

fig. 5 is a schematic view of a structure of a protruding first face gear of a long axis face drilling apparatus according to an embodiment of the present utility model.

Reference numerals illustrate: 1. radial drilling machine; 11. sinking grooves; 12. a support plate; 121. a support rod; 122. a cylinder; 13. a mounting plate; 14. a positioning block; 141. positioning holes; 142. a positioning pin; 15. a rotating plate; 16. a connecting rod; 17. a driving rod; 2. a three-jaw chuck; 21. a chuck body; 22. a claw; 23. a driving mechanism; 24. friction ribs; 25. a drive plate; 251. a thread groove; 252. a butterfly bevel gear; 26. a drive shaft; 261. bevel gears; 262. a first end face gear; 27. a shaft sleeve; 28. a rotating shaft; 281. a second face gear; 282. deep groove ball bearings.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

The embodiment of the utility model discloses a long shaft end face drilling device. Referring to fig. 1 and 2, including seting up in the heavy groove 11 on ground, heavy groove 11 is arranged in radial drilling machine 1 side setting, heavy groove 11 bottom rigid coupling has two vertical direction's bracing piece 121, bracing piece 121 can stretch out and draw back, the rigid coupling has cylinder 122 between heavy groove 11 bottom corresponds two bracing pieces 121, the piston rod of cylinder 122 is vertical upwards to be set up, bracing piece 121 and the piston rod upper end of cylinder 122 are provided with backup pad 12 jointly, circular shape spout has been seted up to backup pad 12 downside, bracing piece 121 upper end sliding connection is in the spout of backup pad 12, the piston rod rotation of cylinder 122 is connected in backup pad 12 downside, cylinder 122 can promote backup pad 12 vertical motion. The upper side rotation of heavy groove 11 is connected with mounting panel 13, mounting panel 13 corresponds the mounting groove that the backup pad 12 size is unanimous with the backup pad 12 position department has been seted up, mounting panel 13 corresponds mounting groove position department rigid coupling has rotor plate 15, mounting panel 13 and rotor plate 15 can rotate in heavy groove 11 upside together, rotor plate 15 center department rigid coupling has the connecting rod 16 of vertical setting, connecting rod 16 is the telescopic link, and connecting rod 16 lower extreme rigid coupling is in backup pad 12 upside, rotor plate 15 edge rigid coupling has the actuating lever 17 of vertical setting, promote rotor plate 15 rotation and rotor plate 15 rotation through actuating lever 17 can drive backup pad 12 and rotate together. The ground corresponds to the outside of the mounting plate 13 and is fixedly connected with a positioning block 14, the positioning block 14 and the mounting plate 13 are jointly provided with a positioning hole 141, a positioning pin 142 is inserted into the positioning hole 141 corresponding to the fixed block, and the rotating plate 15 and the mounting plate 13 are fixed by inserting the positioning pin 142.

Referring to fig. 2 and 3, three-jaw chucks 2 are fixedly connected to the rotary plate 15 and the support plate 12, the three-jaw chucks 2 of the rotary plate 15 are arranged in one-to-one correspondence with the three-jaw chucks 2 of the support plate 12, and a long-axis workpiece can be fixed by any two three-jaw chucks 2. The three-jaw chuck 2 comprises a chuck body 21, jaws 22 and a driving mechanism 23, wherein the chuck body 21 is integrally disc-shaped, a yielding groove is formed in the center of the chuck body 21, the three jaws 22 are arranged on the upper side of the chuck body 21 and can move along the radius direction of the yielding groove or move along the direction far away from the yielding groove, a long-axis workpiece to be penetrated is fixed, friction ribs 24 are formed in one side, corresponding to the yielding groove, of the jaws 22, friction force between the friction ribs and the long-axis workpiece is increased, and clamping is firmer.

Referring to fig. 3 and 4, the driving mechanism 23 includes a driving disk 25 and a driving shaft 26, the driving disk 25 is rotatably connected to one side of the chuck body 21 close to the jaws 22 and can be matched with the jaws 22, a thread groove 251 is formed on one side of the driving disk 25 corresponding to the jaws 22, threads are formed on one side of the jaws 22 corresponding to the driving disk 25, and the jaws 22 are engaged with the thread groove 251 of the driving disk 25 through the threads. The driving disc 25 is a butterfly bevel gear 252 on one side far away from the clamping jaw 22, the side of the chuck body 21 is correspondingly connected with a driving shaft 26 in a rotating way on one side far away from the clamping jaw 22 of the driving disc 25, a bevel gear 261 is fixedly connected to the driving shaft 26 at the position corresponding to the driving disc 25, the bevel gear 261 can be meshed with the butterfly bevel gear 252 of the driving disc 25, the butterfly bevel gear 252 can be driven to rotate through the bevel gear 261 when the driving shaft 26 is rotated, the driving disc 25 rotates to enable three clamping jaws 22 to move along the radius direction of the chuck body 21, and the three clamping jaws are mutually close to or mutually far away to achieve clamping or loosening.

Referring to fig. 2 and 5, the driving shafts 26 of the upper and lower corresponding three-jaw chucks are fixedly connected with first face gears 262, shaft sleeves 27 are rotatably connected at positions corresponding to the first face gears 262 of the driving shafts 26, the upper and lower shaft sleeves 27 are rotatably connected with rotating shafts 28 together, second face gears 281 are fixedly connected at positions corresponding to the two first face gears 262 of the two ends of the rotating shafts 28 in the length direction, and the second face gears 281 are meshed with the first face gears 262. When the rotating shaft 28 is driven to rotate, the rotating shaft 28 drives the first end face gear 262 to rotate through the second end face gear 281, and the first end face gear 262 rotates to drive the driving shaft 26 to rotate, so that locking of the clamping jaws 22 of the upper three-jaw chuck 2 and the lower three-jaw chuck 2 is synchronously controlled. The shaft sleeve 27 is fixedly connected with a deep groove ball bearing 282 at the position corresponding to the rotation connection part of the rotating shaft 28, so that the transmission efficiency is improved, and the rotating shaft 28 is more stable in rotation.

The implementation principle of the long shaft end face drilling device provided by the embodiment of the utility model is as follows: the long shaft workpiece is inserted into the center of the three-jaw chuck 2, the height of the supporting plate 12 is adjusted through the air cylinder 122 so as to adapt to workpieces with different lengths, after the height is adjusted, the driving shaft 26 of the three-jaw chuck 2 positioned on the rotary plate 15 is rotated, the driving shaft 26 drives the first end face gear 262 to rotate so as to drive the second end face gear 281 to rotate, the second end face gear 281 rotates so as to drive the rotating shaft 28 to rotate, the rotating shaft 28 drives the driving shaft 26 of the three-jaw chuck 2 positioned on the supporting plate 12 to rotate through the cooperation of the second end face gear 281 and the first end face gear 262, the synchronous clamping of the upper three-jaw chuck 2 and the lower three-jaw chuck 2 is realized, three workpieces are sequentially installed, the rotary plate 15 is rotated, one workpiece is made to be close to the position of the radial drilling machine 1, the locating pin 142 is inserted into the locating hole 141 of the locating block 14 and the mounting plate 13 to punch, the rotary plate 15 is continuously rotated after punching is completed, the next workpiece is punched, the driving shaft 26 positioned on the three-jaw chuck 2 is reversely rotated, the workpiece is loosened, and the locating pin 142 is taken out.

The embodiment of the utility model has the effect of enabling the radial drilling machine to conveniently punch the long-axis workpiece.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides a major axis terminal surface drilling equipment, includes sink (11) of seting up in radial drill (1) one side ground, its characterized in that: the utility model discloses a three-jaw chuck, including heavy groove (11), connecting rod (16), connecting rod (2), support plate (12) are fixed in the rotation of heavy groove (11), heavy groove (11) bottom rotates and is connected with backup pad (12), rotor plate (15) with backup pad (12) joint has connecting rod (16) that can stretch out and draw back, rotor plate (15) with backup pad (12) same position department cooperation is provided with a plurality of three-jaw chuck (2), rotor plate (15) with backup pad (12) three-jaw chuck (2) are used for fixed major axis work piece's upper and lower both ends respectively, and control three-jaw chuck (2) tighten up or loosen on rotor plate (15) can synchronous control tighten up or loosen on backup pad (12) three-jaw chuck (2).

2. A long axis end face drilling apparatus as claimed in claim 1, wherein: the three-jaw chuck (2) comprises a chuck body (21) with a yielding groove formed in the center, three jaws (22) and a driving mechanism (23), wherein the jaws (22) are slidably connected to the upper side of the chuck body (21) and can be close to or far away from the yielding groove, the driving mechanism (23) comprises a driving disc (25) which is rotationally connected to the chuck body (21), the driving disc (25) is correspondingly provided with a thread groove (251) on one side of the jaws (22), the jaws (22) are correspondingly provided with threads which are meshed with the thread groove (251) on one side of the driving disc (25), the driving disc (25) is far away from one side of the jaws (22) and is provided with a butterfly bevel gear (252), one side of the butterfly bevel gear (252) corresponding to the side of the driving disc (21), one end of the driving disc (26) is provided with a bevel gear (261) which is meshed with the butterfly bevel gear (252), and the driving disc (25) is rotationally provided with a bevel gear (26) which can drive the jaws (22) to slide close to one another.

3. A long axis end face drilling apparatus as claimed in claim 2, wherein: the driving shafts (26) are fixedly connected with first face gears (262), rotating shafts (28) are arranged between the upper three-jaw chucks (2) corresponding to the two matching parts in the sinking grooves (11), and second face gears (281) meshed with the first face gears (262) are fixedly connected at the two ends of the rotating shafts (28) in the length direction.

4. A long axis end face drilling apparatus according to claim 3, wherein: the driving shaft (26) is rotatably connected with a shaft sleeve (27) at the position corresponding to the first end face gear (262), the rotating shaft (28) is rotatably connected in the shaft sleeve (27), and a deep groove ball bearing (282) is arranged at the position corresponding to the rotating shaft (28) at the rotating connection position of the shaft sleeve (27).

5. A long axis end face drilling apparatus as claimed in claim 2, wherein: friction ribs (24) are formed on one sides, close to each other, of the clamping jaws (22).

6. A long axis end face drilling apparatus as claimed in claim 1, wherein: the bottom of the sinking groove (11) is provided with an air cylinder (122), and a piston rod of the air cylinder (122) is vertically upwards and rotatably connected to the lower side of the supporting plate (12).

7. A long axis end face drilling apparatus as claimed in claim 1, wherein: the bottom of the sinking groove (11) is provided with a telescopic supporting rod (121), and the upper end of the supporting rod (121) is fixedly connected to the lower side of the supporting plate (12).

8. A long axis end face drilling apparatus as claimed in claim 1, wherein: the utility model discloses a heavy groove, including heavy groove (11), mounting panel (13) correspond mounting panel (12) position department has seted up the mounting groove, rotor plate (15) rigid coupling is in the mounting groove, and ground corresponds mounting panel (13) outside rigid coupling has locating piece (14), locating piece (14) with locating hole (141) have been seted up jointly to mounting panel (13), just locating piece (14) correspond locating hole (141) interpolation is equipped with locating pin (142).