CN212469862U - Efficient high-accuracy drilling machine - Google Patents

Abstract

The application relates to the field of hole machining equipment, in particular to a high-efficiency and high-accuracy drilling machine which comprises a base, wherein one end of the base is provided with a vertical frame capable of sliding along the length direction of the base, a headstock capable of moving along the vertical direction is arranged on the vertical frame, a lower end of the headstock is vertically arranged and used for fixing a drill bit and a main shaft capable of continuously rotating, the other end of the base is horizontally and fixedly connected with a base, a rotatable workbench is horizontally arranged on the upper side of the base, a plurality of sliding blocks capable of sliding towards the central direction of the workbench are arranged on the workbench, a pushing and pulling column which is in a circular truncated cone shape and capable of moving along the vertical direction is arranged at the central position of the workbench, and one end, close to each sliding block, of each sliding block is connected to the peripheral surface of the; the upper sides of the sliding blocks are connected with ejector blocks. The rotary machining device has the advantages that the rotary machining of the disc-shaped workpiece is facilitated, and the machining precision and the machining efficiency are improved.

Description

Efficient high-accuracy drilling machine

Technical Field

The application relates to the field of hole machining equipment, in particular to a high-efficiency and high-accuracy drilling machine.

Background

A drill is a general term for machines and apparatuses that leave a cylindrical hole or hole in an object by means of rotary cutting or rotary pressing using a tool harder and sharper than the object. Also known as drills, hole punches, through-hole punches, and the like. The expected effect is achieved by drilling the precise parts, and the drilling machines comprise a semi-automatic drilling machine and a full-automatic drilling machine.

When the conventional flange plate and other disc-shaped workpieces are machined, a plurality of through holes are required to be uniformly formed in the surface of the flange plate by taking the central axis as the center, so that when the conventional flange plate is machined, the flange plate needs to be continuously clamped again on a workbench of a drilling machine and rotationally positioned, and then drilling machining is carried out.

The inventor thinks that because the fixed setting of current rig workstation, when the disc work piece carries out processing drilling, need continuous rotatory work piece clamping, the operation is comparatively inconvenient, and because of the clamping leads to positioning accuracy low many times, machining efficiency is lower.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the rotating machining of the disc-shaped workpiece, the machining precision and the machining efficiency are improved, and the high-efficiency and high-accuracy drilling machine is provided.

The application provides a high-efficient high accuracy's drilling machine adopts following technical scheme:

a high-efficiency high-accuracy drilling machine comprises a machine base, wherein one end of the machine base is provided with a vertical frame capable of sliding along the length direction of the machine base, a machine head frame capable of moving along the vertical direction is arranged on the vertical frame, a main shaft with the lower end used for fixing a drill bit and capable of continuously rotating is vertically arranged on the machine head frame, the other end of the machine base is horizontally and fixedly connected with a base, a rotatable workbench is horizontally arranged on the upper side of the base, a plurality of sliding blocks capable of sliding towards the center direction of the workbench are arranged on the workbench, a pushing and pulling column which is in a round table shape and capable of moving along the vertical direction is arranged at the center position of the workbench, and one end, close to each other, of each sliding block is connected to the; the upper sides of the sliding blocks are connected with ejector blocks.

By adopting the technical scheme, the workpiece is clamped firstly, the workpiece is placed among the plurality of ejector blocks, and then the push-pull column moves downwards, so that the sliding blocks which are close to each other and connected to the peripheral surface of the push-pull column in a sliding manner are pushed to move towards the direction of mutual approach, and the ejector blocks can be driven to move towards the direction of mutual approach to complete the clamping of the workpiece; then, the drill bit is driven to continuously rotate by the main shaft of the machine head frame, the vertical frame slides to adjust the position of the drill bit, the drill bit is driven to move downwards by the machine head frame, the workpiece on the upper side of the workbench can be drilled, after one hole is machined, the machine head frame rises, the workpiece is driven to rotate by the rotation of the workbench for a proper angle, the drill bit is driven to descend by the machine head, the next hole is machined, the steps are continuously repeated, the continuous machining of multiple holes in the workpiece can be completed, the workpiece is clamped once, the continuous working is achieved, the positioning precision is high, and the machining efficiency is high.

Preferably, the one end of keeping away from each other of kicking block all is connected with the draw runner that length direction and slider slip direction are the same, all be provided with the clamp splice on the draw runner, the upside of clamp splice is higher than the upside of kicking block.

Through adopting above-mentioned technical scheme, when the clamp of large-scale work piece is accomplished to needs, with the work piece as for between a plurality of clamp blocks, then, through the slider trend direction motion of being close to each other and then drag many draw bars through the kicking block trend direction motion of being close to each other, can drag a plurality of clamp blocks trend direction motion of being close to each other, and then realize the clamp of large-scale work piece tightly, correspond different work pieces respectively through kicking block and clamp block, application range is wide, and the linkage of the kicking block and the clamp block that adopt, only need a drive can realize the centre gripping of different frocks.

Preferably, the sliding strips are all provided with clamping blocks which can slide along the length direction of the sliding strips and can be fixed on the sliding strips.

By adopting the technical scheme, when different large-scale workpieces need to be clamped, the clamping blocks can slide along the length direction of the slide bar, the positions of the clamping blocks on the slide bar are adjusted, and then the clamping blocks are positioned, so that the machining requirements of the large-scale workpieces with different sizes are met.

Preferably, the lower side of the middle part of the workbench is connected with a vertically arranged rotating sleeve, the lower end of the rotating sleeve is in threaded connection with a threaded sleeve, the lower end of the threaded sleeve is fixedly connected with a telescopic cylinder, and a telescopic rod of the telescopic cylinder is arranged upwards and is connected with the push-pull column.

By adopting the technical scheme: the during operation, the telescopic link of actuating cylinder is flexible, can drive the push-and-pull post and move along vertical direction, can drive the slider trend and be close to each other or the direction motion of keeping away from, drive the shrink of kicking block and clamp splice or press from both sides tightly, in addition, rotate the thread bush, can drive the actuating cylinder and move along vertical direction to can adjust the position of actuating cylinder, and then adjust the initial height of push-and-pull post, and then adjust the initial position of a plurality of sliders, be suitable for different operating modes, the different work pieces of being convenient for press from both sides tightly.

Preferably, a plurality of cushion blocks capable of sliding towards the center of the workbench are uniformly arranged on the upper side of the workbench; the upper side of the cushion block is lower than the upper side of the clamping block and higher than the upper side of the top block.

By adopting the technical scheme, when a large-sized workpiece is positioned, the workpiece can be directly supported through the plurality of cushion blocks, so that the workpiece can be supported, and the workpiece can be conveniently machined.

Preferably, the rotating sleeve is rotatably connected to the base, a first convex ring coaxial with the rotating sleeve is fixedly connected to the outer side of the lower end of the workbench, a containing groove is formed in the inner peripheral surface of the first convex ring, and a pull rod capable of moving in the vertical direction is arranged on one side of the base; the upper end of the pull rod is fixedly connected with a pressure plate, one end of which can extend into the containing groove.

Through adopting above-mentioned technical scheme, rotate the cover and rotate and connect in the base, can realize that the workstation rotates for the base, and rotate to suitable position after the workstation, through pull rod downstream, can drive the clamp plate and press the bottom surface of locating the bulge loop and holding the groove to the realization can be fixed of workstation.

Preferably, the downside of workstation is connected with the ring gear with rotating the cover coaxial line, one side that the base corresponds the ring gear is provided with the slide that can tend the motion of workstation center direction, the upside of base is provided with drive gear, the slide downside is provided with and drives drive gear pivoted servo motor three, be provided with the extension spring that can drag the slide under the normality and tend to the motion of workstation direction to drive gear top tight ring gear on the base.

Through adopting the above-mentioned technical scheme, in operation, drive the drive gear operation through servo motor three, can drive the ring gear who meshes in drive gear and rotate, it is rotatory to realize the workstation, under the normality, the extension spring can drag the direction motion that the slide tended the ring gear, thereby can drive gear inseparable butt all the time and mesh in the ring gear, and then realize the backlash of ring gear and drive gear, guarantee the rotational precision of workstation, furthermore, when drive gear and ring gear operate, when meetting ring gear and drive gear and generate heat the inflation, through the elastic action of extension spring, also can be at ring gear and drive gear's moving in-process, the automatic drive gear that promotes keeps away from ring gear direction motion, avoid ring gear and drive gear to produce the dead state of card, guarantee the even running of gear, and then guarantee the steady rotation of workstation.

Preferably, the middle part rigid coupling of headstock has the fixed cover of vertical setting, the main shaft rotates to be connected in fixed cover, the last pot head of main shaft is equipped with can be along with the synchronous pivoted band pulley one of main shaft, the upside rigid coupling of headstock has driving motor, and driving motor's output shaft rigid coupling has band pulley two, and the cover is equipped with the drive belt on band pulley one and the band pulley two, the lower extreme rigid coupling of main shaft has the erection column that can install the drill bit.

Through adopting above-mentioned technical scheme, upper end rigid coupling with the drill bit in the erection column, realize being connected of drill bit and main shaft, then, it rotates to pass through output shaft drive band pulley two through driving motor, then can drive band pulley one through the drive belt and rotate, thereby can drive the main shaft and regard its axis as the axis rotation in fixed cover, and then can drive the drill bit and rotate, on the one hand, through main shaft and fixed cover cooperation, the rotation stationarity of drill bit is high, the vibration is little, on the other hand, when some hard materials of drill bit drilling transship or block, the drill bit drives the main shaft stall, thereby the drive belt will be because of the elastic deformation of self, thereby skid or fracture prevents that the output shaft card of motor from dying, and then prevent to damage.

Preferably, the upper side of the slide bar is provided with a third sliding groove with an inverted T-shaped cross section along the length direction of the slide bar, the clamping block is inserted with a clamping bolt with a lower end extending into the third sliding groove, the lower end of the clamping bolt extends into the third sliding groove and is in threaded connection with a clamping nut, and two sides of the clamping bolt abut against two sides of the third sliding groove.

Through adopting above-mentioned technical scheme, screw up the elasticity and press from both sides the clamp splice, can follow the length direction of draw runner and slide, realize the position control of clamp splice, adjust and accomplish the clamp splice after, screw up the clamp bolt, can realize the clamp splice in the location of draw runner upside through clamp bolt and the cooperation of clamp nut, the clamp of different work pieces on probation.

Preferably, a plurality of tooth sockets with the length direction perpendicular to the length direction of the sliding strip are formed in the upper side of the sliding strip, the tooth sockets are arranged along the length direction of the sliding strip, and a second tooth inserted into the tooth sockets is fixedly connected to the lower side of the clamping block.

Through adopting above-mentioned technical scheme, when the clamp splice slides, lift up the clamp splice, break away from the cooperation of tooth two and tooth's socket, then, remove the clamp splice to suitable position, loosen the clamp splice, can realize the location of clamp splice and draw runner through tooth two and tooth's socket cooperation, the accurate displacement of clamp splice and the location of clamp splice of can being convenient for.

In summary, the present application includes at least one of the following beneficial technical effects:

1. firstly, clamping a workpiece, placing the workpiece between a plurality of ejector blocks, and then moving downwards through a push-pull column so as to push sliding blocks, one ends of which are close to each other and connected to the peripheral surface of the push-pull column in a sliding manner, to move towards the direction of mutual approach, so that the ejector blocks can be driven to move towards the direction of mutual approach, and the workpiece is clamped; then, the drill bit is driven to continuously rotate by the main shaft of the machine head frame, the vertical frame slides to adjust the position of the drill bit, the drill bit is driven to move downwards by the machine head frame, the workpiece on the upper side of the workbench can be drilled, after one hole is machined, the machine head frame rises, the workpiece is driven to rotate by the rotation of the workbench for a proper angle, the drill bit is driven to descend by the machine head, the next hole is machined, the steps are continuously repeated, the continuous machining of multiple holes in the workpiece can be completed, the workpiece is clamped once, the continuous working is achieved, the positioning precision is high, and the machining efficiency is high.

2. When the clamping of a large-sized workpiece is required to be completed, the workpiece is placed among the clamping blocks, then the sliding blocks move towards the mutual approaching direction, the plurality of sliding strips are dragged to move towards the mutual approaching direction through the jacking blocks, the plurality of clamping blocks can be dragged to move towards the mutual approaching direction, and the clamping of the large-sized workpiece is further realized, the jacking blocks and the clamping blocks respectively correspond to different workpieces, the application range is wide, and the clamping of different tools can be realized only through one drive of the linkage of the jacking blocks and the clamping blocks;

3. the telescopic link of actuating cylinder is flexible, can drive and push away the post and move along vertical direction, can drive the direction motion that the slider trend is close to each other or keeps away from, the shrink or the clamp of drive kicking block and clamp splice, in addition, rotate the thread bush, can drive the actuating cylinder and move along vertical direction to can adjust the position of actuating cylinder, and then adjust the initial height of pushing away the post, and then adjust the initial position of a plurality of sliders, be suitable for different operating modes, the different work pieces of being convenient for press from both sides tightly.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the structure of the headstock of the present embodiment.

Fig. 3 is a schematic sectional view of the spindle structure of the present embodiment.

Fig. 4 is a schematic view of the overall structure of the rotary table according to the embodiment of the present application.

FIG. 5 is a schematic cross-sectional view of a rotary table according to an embodiment of the present application.

Fig. 6 is an enlarged schematic view of a portion a in fig. 5.

FIG. 7 is a schematic structural diagram of a platen according to an embodiment of the present application.

FIG. 8 is a schematic structural diagram of a clamp block according to an embodiment of the present application.

Fig. 9 is an exploded view of the clamp block structure according to the embodiment of the present application.

Description of reference numerals: 1. a machine base; 11. a fixed mount; 111. a first guide rail; 112. a first lead screw; 113. a first servo motor; 12. erecting a frame; 121. a second guide rail; 122. a second screw rod; 123. a servo motor II; 13. a headstock; 131. a fixing hole; 14. fixing a sleeve; 141. a fixing ring; 142. blocking protrusions; 143. a housing hole; 144. a first bearing; 145. a second bearing; 146. a liquid injection hole; 147. a shaft retainer ring; 15. a main shaft; 151. mounting a column; 1511. mounting holes; 152. a first baffle ring; 153. a first belt wheel; 154. a second baffle ring; 16. a drive motor; 161. installing a sleeve; 162. a second belt wheel; 163. a transmission belt; 17. a coolant hole; 2. a base; 21. a circular groove; 211. a limiting ring; 212. a third bearing; 22. a convex ring II; 221. a ring strip; 222. a baffle ring III; 24. a long groove; 241. a through groove; 25. a slide base; 251. a servo motor III; 252. a speed reducer; 253. a drive gear; 254. a screw; 255. fixing a nut; 256. a tension spring; 26. a limiting plate; 27. a fixed block; 3. a work table; 31. rotating the sleeve; 311. a through hole; 312. blocking by a ring; 32. a first convex ring; 321. a ring groove; 322. a containing groove; 33. a gear ring; 4. a telescopic cylinder; 41. a support plate; 42. a pull rod; 43. pressing a plate; 44. a support block; 5. a boss; 51. a first sliding chute; 52. a slider; 521. a carriage; 522. a first tooth; 523. a connecting bolt; 53. an accommodation hole; 54. a top block; 6. a threaded sleeve; 61. a push-pull cylinder; 62. a push-pull rod; 63. pushing and pulling the column; 631. a second chute; 7. a first slide rail; 71. a slide bar; 711. a tooth socket; 712. a third chute; 72. a clamping block; 721. a second tooth; 73. clamping the bolt; 731. clamping the nut; 8. a second slide rail; 81. a fourth chute; 82. cushion blocks; 83. jacking the bolt; 831. and (6) tightly pushing the nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

The embodiment of the application discloses high-efficient high accuracy's drilling machine

Referring to fig. 1, a high-efficient high accuracy's drilling machine, including the frame 1 that the level set up, the vertical drilling subassembly that is provided with the work piece of upper surface one end of frame 1, the upper surface other end of frame 1 is provided with the carrier assembly of work piece. During operation, the workpiece can be placed on the bearing assembly for bearing, and then drilling machining is carried out through the drilling assembly.

The drilling subassembly includes that the rigid coupling keeps away from mount 11 of carrier assembly one end in frame 1 upper surface, the length direction of mount 11 is the same with the length direction of frame 1, the equal rigid coupling in both sides of mount 11 has guide rail 111, the vertical grudging post 12 that is provided with of upside of mount 11, the lower extreme both sides of grudging post 12 all slide and connect in guide rail 111, the width direction middle part of mount 11 rotates and is connected with lead screw 112, the axis direction of lead screw 112 is the same with the length direction of mount 11, the lower extreme threaded connection of grudging post 12 is in lead screw 112, the one end rigid coupling that carrier assembly was kept away from to mount 11 corresponding lead screw 112 has servo motor 113, the output shaft rigid coupling of servo motor 113 is in the tip of lead screw. During operation, the first servo motor 113 drives the first lead screw 112 to rotate, and can drive the stand 12 to slide along the length direction of the fixed frame 11, so that the distance between the stand 12 and the bearing assembly is adjusted.

A second guide rail 121 is vertically and fixedly connected to one side of the stand 12 close to the bearing component; a headstock 13 which is connected with the second guide rail 121 in a vertical sliding manner is arranged on one side of the vertical frame 12 close to the bearing assembly, a vertically arranged second lead screw 122 is connected to one side of the vertical frame 12 close to the bearing assembly in a rotating manner, and the headstock 13 is connected to the second lead screw 122 in a threaded manner; the upper end of the vertical frame 12 is fixedly connected with a second servo motor 123, and an output shaft of the second servo motor 123 is arranged downwards and fixedly connected with one end of a second lead screw 122. When the machine head frame 13 works, the second servo motor 123 drives the second lead screw 122 to rotate, so that the machine head frame 13 can be driven to move downwards, and the height of the machine head frame 13 is adjusted.

Referring to fig. 2, a fixing hole 131 is vertically formed in the head frame 13, a fixing sleeve 14 is vertically inserted into the fixing hole 131, a fixing ring 141 is fixedly connected to the outer peripheral surface of the lower end of the fixing sleeve 14, and the fixing ring 141 is bolted to the head frame 13.

Referring to fig. 2 and 3, a main shaft 15 penetrates through the fixed sleeve 14, the axis of the main shaft 15 is in the same straight line with the axis of the fixed sleeve 14, two ends of the main shaft 15 respectively extend out of two ends of the fixed sleeve 14, a blocking protrusion 142 is fixedly connected to the upper end of the inner wall of the fixed sleeve 14, a containing hole 143 is formed at the lower end of the fixed sleeve 14, a first bearing 144 is arranged at each of the two ends of the fixed sleeve 14, the first bearing 144 is a thrust ball bearing, the outer ring of the first bearing 144 is fixedly connected to the fixed sleeve 14, the upper side of the first bearing 144 at the lower end of the main shaft 15 abuts against the upper end face of the containing hole 143, the lower side of the first bearing 144 at the upper end of the main shaft 15, the inner rings of the two first bearings 144 are fixedly connected to the outer peripheral surface of the main shaft 15, the second bearing 145 is arranged on the side, away from each other, of the fixed sleeve 14 corresponding to the two first bearings 144, the second bearing 145 is a deep groove ball bearing, the outer ring of the second bearing 145 is fixedly connected to the fixed sleeve 14, and the inner rings of the second bearing 145 are fixedly connected to the main shaft 15. The fixed sleeve 14 is provided with liquid injection holes 146 penetrating through the side wall of the fixed sleeve 14 at positions corresponding to the positions between the first bearing 144 and the second bearing 145, and the adopted liquid injection holes 146 can facilitate a user to inject lubricating oil between the first bearing 144 and the second bearing 145, so that the first bearing 144 and the second bearing 145 are lubricated.

An installation column 151 coaxial with the main shaft 15 is fixedly connected to the lower side of the main shaft 15 corresponding to the lower end bearing II 145, and an installation hole 1511 coaxial with the installation column 151 is formed in the lower end of the installation column 151. The diameter of the mounting column 151 is larger than that of the main shaft 15, the upper end of the mounting column 151 abuts against the lower side of the lower end bearing II 145, the lower end of the fixing sleeve 14 is provided with a shaft baffle ring 147, the outer side of the shaft baffle ring 147 is fixedly connected to the fixing sleeve 14, and the inner side of the shaft baffle ring 147 abuts against the main shaft 15.

One end of the main shaft 15 extending out of the fixing sleeve 14 is in threaded connection with a first blocking ring 152, the lower side of the first blocking ring 152 abuts against the upper side of the second upper side bearing 145, the upper side of the first main shaft 15 corresponding to the first blocking ring 152 is sleeved with a first belt wheel 153, the first belt wheel 153 is in key connection with the main shaft 15, therefore, the first belt wheel 153 can synchronously rotate along with the main shaft 15, a second blocking ring 154 is arranged on the upper side of the first main shaft 15 corresponding to the first belt wheel 153, the second blocking ring 154 is in threaded connection with the main shaft 15, and the second blocking ring 154 can abut against the upper side.

The upside rigid coupling of headstock 13 has the driving motor 16 of vertical setting, driving motor 16's output shaft sets up down, and driving motor 16's output shaft threaded connection has installation cover 161, bolted connection has band pulley two 162 on the installation cover 161, the cover is equipped with drive belt 163 on band pulley 153 and band pulley two 162, band pulley 153 and band pulley two 162 are synchronous pulley, and drive belt 163 is the hold-in range, in operation, driving motor 16's output shaft drives band pulley two 162 and rotates, can drive band pulley one 153 through drive belt 163 and rotate, thereby can drive main shaft 15 at the internal rotation of fixed cover 14, and the deep groove ball bearing who adopts bears radial load, thrust ball bearing bears axial load, the two is mutually supported and is realized the stable rotation of main shaft 15 in fixed cover 14.

The output of the axis position of the main shaft 15 is provided with a cooling liquid hole 17, the upper end of the cooling liquid hole 17 extends out of the upper end of the main shaft 15, and the lower end of the cooling liquid hole 17 is communicated with the mounting hole 1511. The temperature of the spindle 15 can be cooled by the provision of the coolant holes 17, on the one hand, and the coolant can flow into the drill through the coolant holes 17, on the other hand, so that the drill is cooled and can be evacuated.

Referring to fig. 1 and 5, the bearing component comprises a base 2 which is fixedly connected to the upper side of the base 1 and horizontally arranged, the base 2 is disc-shaped, a disc-shaped workbench 3 is arranged on the upper side of the base 2, and the workbench 3 and the base 2 are coaxially arranged.

Referring to fig. 5, there is a rotating sleeve 31 of vertical setting axis position department bolted connection of workstation 3 downside, through-hole 311 has been seted up to rotating sleeve 31's axis position department, rotating sleeve 31 and the setting of 3 coaxial lines of workstation, circular slot 21 has vertically been seted up in the axis position department of base 2, circular slot 21 and the setting of base 2 coaxial line, rotating sleeve 31 inserts and locates in circular slot 21, the middle part rigid coupling of circular slot 21 has spacing ring 211, circular slot 21 corresponds the upside and the downside of spacing ring 211 and is provided with bearing three 212 respectively the symmetry, bearing three 212's outer lane adopts interference fit's direction of connection to be fixed in circular slot 21 inner wall, bearing three 212's inner circle adopts interference fit's mode to be fixed in and rotates sleeve 31 outer wall. The lower end position of the rotating sleeve 31 corresponding to the circular groove 21 is fixedly connected with a ring stop 312, so that the inner ring of the bearing III 212 at the lower side of the circular groove 21 is supported, the rotating sleeve 31 is rotatably connected with the circular groove 21 through the bearing III 212, and the rotation of the workbench 3 relative to the base 2 is further realized.

Referring to fig. 5 and 6, a first convex ring 32 coaxial with the workbench 3 is fixedly connected to the outer end of the lower side of the workbench 3, a ring groove 321 is formed in the lower surface of the first convex ring 32 by taking the axis of the workbench 3 as the center, and a second convex ring 22 coaxial with the base 2 is fixedly connected to the outer end of the upper surface of the base 2; the upper surface of the second bulge loop 22 is fixedly provided with a ring strip 221 by taking the axis as the center, the ring strip 221 is inserted into the ring groove 321, the inner side of the upper surface of the second bulge loop 22 corresponding to the ring strip 221 is fixedly connected with a third baffle ring 222 coaxial with the second bulge loop 22, and the outer peripheral surface of the third baffle ring 222 can abut against the inner peripheral surface of the first bulge loop 32, so that the limiting of the base 2 and the workbench 3 is realized, and the rotating stability of the workbench 3 relative to the base 2 is further ensured.

Referring to fig. 6 and 7, a gear ring 33 is bolted on the lower surface of the workbench 3, the gear ring 33 and the workbench 3 are coaxially arranged, a long groove 24 is horizontally arranged on the lower surface of the base 2 corresponding to the outer side position of the gear ring 33, one end of the long groove 24 is arranged towards the axial direction of the workbench 3, a through groove 241 is arranged on the upper bottom surface of the long groove 24 along the length direction of the long groove 24, a sliding seat 25 is arranged in the long groove 24, the upper surface of the sliding seat 25 abuts against the upper bottom surface of the long groove 24, and both sides of the sliding seat 25 abut against both sides of the elongated slot 24, the lower surface of the base 2 is connected with limit plates 26 (refer to fig. 4) along the bolts corresponding to both sides of the elongated slot 24, the length directions of the limit plates 26 and the elongated slot 24 are the same, and the upper surfaces of both the limit plates 26 can abut against the lower surface of the sliding seat 25, through the cooperation of the elongated slot 24 and the limit plate 26, the sliding seat 25 can slide along the elongated slot 24.

Referring to the figures, a servo motor three 251 is disposed below the slide carriage 25, an output shaft of the servo motor three 251 is disposed upward and is fixedly connected with a speed reducer 252, and an upper side of the speed reducer 252 is fixedly connected to a lower surface of the base 2. And the output shaft of the speed reducer 252 is arranged upwards and passes through the sliding seat 25 and the through groove 241, one end of the output shaft of the speed reducer 252, which extends to the upper side of the through groove 241, is connected with a driving gear 253 through a bolt, and the driving gear 253 can be meshed with the gear ring 33. The output shaft of the servo motor three 251 rotates to drive the driving gear 253 to rotate through the speed reducer 252, so as to drive the gear ring 33 to rotate, and in addition, the sliding seat 25 moves along the long groove 24, so as to drive the driving gear 253 to move towards the direction close to or away from the gear ring 33, so that the driving gear 253 tightly props against the gear ring 33, the gap between the driving gear 253 and the gear ring 33 is eliminated, or the driving gear 253 and the gear ring 33 are left with a gap, and the gear ring 33 and the driving gear 253 are prevented from being mutually locked and cannot rotate after being heated and expanded.

One end of the long groove 24 far away from the axis of the base 2 is connected with a fixed block 27 through a bolt, one end of the sliding seat 25 near the fixed block 27 is rotatably connected with a plurality of screw rods 254 penetrating through the fixed block 27, the length direction of the screw rods 254 is the same as that of the long groove 24, one end of each screw rod 254 penetrating through the fixed block 27 and far away from the sliding seat 25 is connected with a fixed nut 255 through threads, a tension spring 256 is sleeved on each screw rod 254 corresponding to the fixed nut 255 and the fixed block 27, one end of each tension spring 256 is fixedly connected to the fixed block 27, and one end of. Under a normal state, the tension spring 256 can pull the fixing nut 255 to move towards the direction of the fixing block 27, so that the screw 254 is pulled to move towards the axis direction of the base 2, the sliding seat 25 is pulled to move towards the axis direction of the base 2, the driving gear 253 is meshed with the gear ring 33, when the gear ring 33 and the driving gear 253 generate heat and expand, the driving gear 253 interacts with the gear ring 33, the sliding seat 25 is pulled to move towards the axis direction away from the base 2, and the driving gear 253 and the gear ring 33 are prevented from being locked with each other.

Referring to fig. 4 and 7, a telescopic cylinder 4 is fixedly connected to one side of the lower bottom surface of the base 2, which is far away from the driving gear 253, a telescopic rod of the telescopic cylinder 4 is arranged downward, a horizontally arranged supporting plate 41 is fixedly connected to the lower end of the telescopic rod of the telescopic cylinder 4, pull rods 42 are fixedly connected to both sides of the upper surface of the supporting plate 41 vertically, the upper ends of the pull rods 42 penetrate through the base 2 and extend to a position between the base 2 and the workbench 3, a horizontally arranged pressing plate 43 is fixedly connected to the upper end of each pull rod 42, a containing groove 322 (see fig. 6) which is coaxially arranged with a first convex ring 32 is formed in the inner peripheral surface of the first convex ring 32, one ends of the two pressing plates 43 extend into the containing groove 322, a supporting block 44 is fixedly connected to the other end of the upper side of the base 2. After the workbench 3 is rotated to a proper angle, the telescopic cylinder 4 drives the telescopic rod to extend downwards to push the supporting plate 41 to move downwards, and can pull the two pull rods 42 to move downwards, so as to pull the two pressing plates 43 to move downwards, so that the lower sides of the pressing plates 43 are tightly pressed on the bottom surfaces of the accommodating grooves 322 of the first convex rings 32, and further the position of the workbench 3 is fixed, thereby preventing the workbench 3 from rotating, in addition, the adopted supporting block 44 is arranged on the supporting block 44, when one end of the pressing plate 43 is pressed on the bottom surfaces of the accommodating grooves 322 of the first convex rings 32, the other end of the pressing plate 43 is pressed on the supporting block 44, thereby keeping the balance of the pressing plate 43 and.

Referring to fig. 5 and 8, the middle part of the upper side of the workbench 3 is fixedly connected with a cylindrical boss 5, the upper side of the boss 5 is uniformly provided with three first sliding grooves 51 by taking the axis of the boss 5 as the center, one ends of the first sliding grooves 51 face the axis position of the boss 5, and a sliding block 52 is connected in each first sliding groove 51 in a sliding manner. A receiving hole 53 is formed in the center of the boss 5, the receiving hole 53 is communicated with a through hole 311 of the rotating sleeve 31, a threaded sleeve 6 is arranged at the lower end of the rotating sleeve 31, an external thread is formed on the outer peripheral surface of the lower end of the rotating sleeve 31, the threaded sleeve 6 is in threaded connection with the rotating sleeve 31 through the external thread, a push-pull cylinder 61 coaxial with the rotating sleeve 31 is fixedly connected to the lower end of the threaded sleeve 6, a telescopic rod of the push-pull cylinder 61 is arranged upward and extends into the through hole 311 of the rotating sleeve 31, a push-pull rod 62 coaxial with the telescopic rod is rotatably connected to the upper end of the telescopic rod of the push-pull cylinder 61, a truncated cone-shaped push-pull column 63 is fixedly connected to the upper end of the push-pull rod 62, the push-pull column 63 and the push-pull rod 62 are coaxially arranged, the push-pull column 63 can move in the vertical direction in the receiving hole 53 and the through hole 311, two sliding grooves 631 (see, one end of each sliding block 52 close to the push-pull column 63 is slidably connected in the second sliding groove 631.

When the telescopic rod of the push-pull cylinder 61 extends upwards, the push-pull rod 62 pushes the push-pull column 63 to move upwards, one end of each sliding block 52, which is close to the push-pull column 63, slides along the second sliding groove 631, so that each sliding block 52 can be pushed to move along the first sliding groove 51 in a direction of going away from each other, when the telescopic rod of the push-pull cylinder 61 extends downwards, the push-pull column 63 is dragged to move downwards by the push-pull rod 62, one end of each sliding block 52, which is close to the push-pull column 63, slides along the second sliding groove 631, so that each sliding block 52 can be dragged to move along the first sliding groove 51. In addition, the threaded sleeve 6 is rotated to adjust the height of the lower end of the rotating sleeve 31, the push-pull cylinder 61 is driven to move in the vertical direction, the initial height of the push-pull column 63 can be adjusted, the movement stroke of the push-pull column 63 relative to the sliding block 52 is further adjusted, the initial position of each sliding block 52 is changed, and different requirements are met.

Referring to fig. 8 and 9, a top block 54 having the same longitudinal direction as the slider 52 is bolted to the upper side of each slider 52. The upper surface of the workbench 3 is fixedly connected with a first sliding rail 7 corresponding to one end of each first sliding groove 51, the length direction of each first sliding rail 7 is the same as that of the corresponding first sliding groove 51, a sliding bar 71 which is the same as the length direction of the first sliding rail 7 is connected in each first sliding rail 7 in a sliding mode, a plurality of tooth sockets 711 are formed in the upper side of the sliding bar 71 and are perpendicular to the length direction of the sliding bar 71, the plurality of tooth sockets 711 are arranged along the length direction of the sliding bar 71, a dragging plate 521 is fixedly connected to one end, close to the sliding bar 71, of the sliding block 52, a first tooth 522 capable of being inserted into the tooth sockets 711 is fixedly connected to the lower side of the dragging plate 521, and a connecting bolt 523 with the lower end capable of being in.

A third sliding groove 712 with an inverted T-shaped cross section is formed in the upper side of the sliding bar 71 along the length direction of the sliding bar 71, a clamping block 72 is arranged on the upper side of the sliding bar 71, the length direction of the clamping block 72 is the same as the length direction of the sliding bar 71, the upper side of the clamping block 72 is higher than the upper side of the top block 54, and a second tooth 721 capable of being inserted into the tooth groove 711 is fixedly connected to the lower side of the clamping block 72; the vertically arranged clamping bolts 73 are inserted into the upper surfaces of the two ends of the clamping block 72, the lower ends of the clamping bolts 73 are inserted into the third sliding chute 712 and are in threaded connection with clamping nuts 731, and the two sides of the clamping nuts 731 abut against the two sides of the third sliding chute 712.

When a small workpiece needs to be clamped, the sliding blocks 52 tend to slide in the approaching direction, the jacking blocks 54 can be driven to move in the approaching direction, so that the workpiece is jacked by the jacking blocks 54, when a large workpiece needs to be clamped, the sliding blocks 52 tend to slide in the approaching direction, the jacking blocks 54 tend to move in the approaching direction, the sliding strips 71 can be dragged to move in the approaching direction by the plankers 521, the clamping blocks 72 can be driven to move in the approaching direction, so that the workpiece is clamped, in addition, according to the use requirement, the clamping bolt 73 can be unscrewed, the clamping block 72 can be lifted, the teeth 721 are separated from the tooth grooves 711, the clamping blocks 72 slide along the sliding strips 71, the initial positions of the clamping blocks 72 on the upper sides of the sliding strips 71 are adjusted, then the clamping blocks 72 are dropped, and the teeth 721 of the clamping blocks 72 are inserted into the tooth grooves 711, so that the clamping blocks 72 are positioned, finally, the clamping bolt 73 is tightened, and the clamping nut 731 and the clamping bolt 73 interact to fix the clamping block 72, so that different workpieces can be clamped in a matching mode.

The upper surface of workstation 3 corresponds equal rigid coupling between the adjacent slide rail 7 and has two 8 of slide rail, two 8 of many slide rails use the axis of workstation 3 to set up as central symmetry, and the one end of each two 8 of slide rail all sets up towards the axis direction of workstation 3, slide rail two 8 upsides all sets up the spout four 81 that the cross-section is the type of falling T along its length direction, all be provided with the cylindric cushion 82 of the vertical setting of axis on the slide rail two 8, the upside of cushion 82 is less than the upside of clamp splice 72 and is higher than the upside of kicking block 54, the middle part of cushion 82 is inserted and is equipped with puller bolt 83, the lower extreme of puller bolt 83 passes the cushion 82 and extends to in the spout four 81, the lower extreme threaded connection of puller bolt 83 has puller nut 831, the both sides of puller nut 831 can butt spout four 81's lateral wall. When the clamping block 72 is used for clamping a workpiece, the workpiece can be placed on the upper sides of the cushion blocks 82 for supporting, when the position of each cushion block 82 needs to be adjusted, the jacking bolt 83 is loosened, the cushion block 82 slides, then the jacking bolt 83 is screwed, and the jacking nut 831 and the jacking bolt 83 are matched with each other to fix the cushion block 82.

The implementation principle of the high-efficiency and high-accuracy drilling machine in the embodiment of the application is as follows:

when the small-sized workpiece clamping device is used, firstly, a workpiece is clamped on the workbench 3, when the small-sized workpiece is required to be clamped on the workbench 3, and the telescopic rod of the push-pull cylinder 61 extends upwards, the push-pull rod 62 pushes the push-pull column 63 to move upwards, one end of each sliding block 52 close to the push-pull column 63 slides along the second sliding groove 631, the sliding blocks 52 can be pushed to move along the first sliding groove 51 in the direction of going away from each other, the jacking blocks 54 can be driven to move in the direction of going close to each other, and therefore the workpiece is jacked by the jacking blocks 54;

when a large-sized workpiece needs to be clamped, the sliding blocks 52 tend to slide in the approaching direction, the top blocks 54 are driven to move in the approaching direction, the sliding strips 71 can be dragged to move in the approaching direction through the plankers 521, and the clamping blocks 72 can be driven to move in the approaching direction, so that the clamping of the workpiece is realized, and the clamping fixture is suitable for machining workpieces of various specifications;

after the workpiece is clamped, the servo motor three 251 drives the driving gear 253 to rotate through the speed reducer 252, the gear ring 33 meshed with the driving gear 253 can be driven to rotate, so that the workbench 3 can be driven to rotate, the adopted tension spring 256 is matched with the slide block 52, under a normal state, the tension spring 256 can drag the slide block 52 to move towards the direction of the gear ring 33, so that the driving gear 253 can be always tightly abutted and meshed with the gear ring 33, further the backlash between the gear ring 33 and the driving gear 253 is realized, the rotation precision of the workbench 3 is ensured, in addition, when the driving gear 253 and the gear ring 33 run, when the gear ring 33 and the driving gear 253 generate heat and expand, through the elastic action of the tension spring 256, the driving gear 253 can be automatically pushed to move away from the direction of the gear ring 33 in the running process of the gear ring 33 and the driving gear 253, and the jamming state of the gear ring 33 and the driving, the stable operation of the gear is ensured;

when the workbench 3 is rotated to a proper angle, the telescopic cylinder 4 drives the telescopic rod to extend downwards to push the supporting plate 41 to move downwards, and can pull the two pull rods 42 to move downwards, so that the two press plates 43 are dragged to move downwards, the lower sides of the press plates 43 are tightly pressed on the bottom surfaces of the accommodating grooves 322 of the first convex rings 32, the position of the workbench 3 is fixed, and the workbench 3 is prevented from rotating;

when a workpiece on the workbench 3 needs to be drilled, the first servo motor 113 drives the first lead screw 112 to rotate, the vertical frame 12 is driven to slide, the position of the vertical frame 12 is adjusted, then the second belt wheel 162 is driven to rotate through the output shaft of the driving motor 16, the first belt wheel 153 can be driven to rotate through the transmission belt 163, so that the main shaft 15 can be driven to rotate in the fixing sleeve 14, the drill fixed at the lower end of the main shaft 15 can be driven to rotate, meanwhile, the second lead screw 122 is driven to rotate through the second servo motor 123, the headstock 13 can be driven to move downwards, the drill is driven to move downwards, and drilling processing of the workpiece can be completed. The drilling of the workpiece is completed to complete one hole, the workbench 3 rotates to drive the workpiece to rotate to a proper position, and the drill bit is used for hole machining again, so that the machining precision is high, and the efficiency is high.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a drilling machine of high-efficient high accuracy, includes frame (1), its characterized in that: the drill bit drilling machine is characterized in that a vertical frame (12) capable of sliding along the length direction of the machine base (1) is arranged at one end of the machine base (1), a machine head frame (13) capable of moving along the vertical direction is arranged on the vertical frame (12), a main shaft (15) with the lower end used for fixing a drill bit and capable of continuously rotating is vertically arranged on the machine head frame (13), a base (2) is horizontally and fixedly connected to the other end of the machine base (1), a rotatable workbench (3) is horizontally arranged on the upper side of the base (2), a plurality of sliding blocks (52) capable of sliding towards the central direction of the workbench (3) are arranged on the workbench (3), a pushing and pulling column (63) which is in a circular truncated cone shape and capable of moving along the vertical direction is arranged at the central position of the workbench (3), and one end, close to each sliding block (52), is connected to the peripheral; the upper sides of the sliding blocks (52) are connected with ejector blocks (54).

2. An efficient high accuracy drilling machine as claimed in claim 1, characterized in that: the one end of keeping away from each other of kicking block (54) all is connected with length direction and slider (52) the same draw runner (71) of slip direction, all be provided with clamp splice (72) on draw runner (71), the upside of clamp splice (72) is higher than the upside of kicking block (54).

3. An efficient high accuracy drilling machine as claimed in claim 2, characterized in that: the sliding strips (71) are provided with clamping blocks (72) which can slide along the length direction of the sliding strips (71) and can be fixed on the sliding strips (71).

4. An efficient high accuracy drilling machine as claimed in claim 1, characterized in that: the middle part downside of workstation (3) is connected with rotation cover (31) of vertical setting, the lower extreme threaded connection who rotates cover (31) has thread bush (6), the lower extreme rigid coupling of thread bush (6) has telescoping cylinder (4), the telescopic link of telescoping cylinder (4) sets up and is connected with push-and-pull post (63).

5. An efficient high accuracy drilling machine as claimed in claim 1, characterized in that: a plurality of cushion blocks (82) capable of sliding towards the center of the workbench (3) are uniformly arranged on the upper side of the workbench (3); the upper side of the cushion block (82) is lower than the upper side of the clamping block (72) and higher than the upper side of the top block (54).

6. An efficient high accuracy drilling machine as claimed in claim 4, characterized in that: the rotary sleeve (31) is rotatably connected to the base (2), a first convex ring (32) coaxial with the rotary sleeve (31) is fixedly connected to the outer side of the lower end of the workbench (3), an accommodating groove (322) is formed in the inner circumferential surface of the first convex ring (32), and a pull rod (42) capable of moving in the vertical direction is arranged on one side of the base (2); the upper end of the pull rod (42) is fixedly connected with a pressure plate (43) with one end extending into the containing groove (322).

7. An efficient high accuracy drilling machine as claimed in claim 6, characterized in that: the downside of workstation (3) is connected with and rotates cover (31) gear ring (33) of coaxial line, one side that base (2) corresponds gear ring (33) is provided with slide (25) that can tend to workstation (3) central direction motion, the upside of base (2) is provided with drive gear (253), slide (25) downside is provided with and drives drive gear (253) pivoted servo motor three (251), be provided with extension spring (256) that can drag slide (25) under the normality and tend to workstation (3) direction motion to drive gear (253) top tight gear ring (33).

8. An efficient high accuracy drilling machine as claimed in claim 1, characterized in that: the middle part rigid coupling of headstock (13) has fixed cover (14) of vertical setting, main shaft (15) rotate to be connected in fixed cover (14), the last pot head of main shaft (15) is equipped with can be along with main shaft (15) synchronous pivoted band pulley one (153), the upside rigid coupling of headstock (13) has driving motor (16), and the output shaft rigid coupling of driving motor (16) has band pulley two (162), and the cover is equipped with drive belt (163) on band pulley one (153) and band pulley two (162).

9. An efficient high accuracy drilling machine as claimed in claim 3, characterized in that: the upper side of the slide bar (71) is provided with a third sliding groove (712) with an inverted T-shaped cross section along the length direction of the slide bar (71), a clamping bolt (73) with the lower end extending into the third sliding groove (712) is inserted into the clamping block (72), the lower end of the clamping bolt (73) extends into the third sliding groove (712) and is in threaded connection with a clamping nut (731), and two sides of the clamping bolt (73) are abutted against two sides of the third sliding groove (712).

10. An efficient high accuracy drilling machine as claimed in claim 9, characterized in that: a plurality of tooth grooves (711) with the length direction perpendicular to the length direction of the sliding strip (71) are formed in the upper side of the sliding strip (71), the tooth grooves (711) are arranged along the length direction of the sliding strip (71), and a second tooth (721) inserted into the tooth grooves (711) is fixedly connected to the lower side of the clamping block (72).

Images