CN117102876B

CN117102876B - Cantilever type drilling tapping machine

Info

Publication number: CN117102876B
Application number: CN202311179556.7A
Authority: CN
Inventors: 张睿
Original assignee: HANGZHOU SINYO ELECTRONIC TECHNOLOGY CO LTD
Current assignee: HANGZHOU SINYO ELECTRONIC TECHNOLOGY CO LTD
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-04-02
Anticipated expiration: 2043-09-13
Also published as: CN117102876A

Abstract

The invention belongs to the technical field of processing equipment, and particularly relates to a cantilever type drilling and tapping machine, which comprises a processing base and processing main control equipment, wherein a climbing frame is fixedly arranged at one end of the processing base in a vertically penetrating mode, a processing machine shell is assembled on one side of the top of the climbing frame in a sliding mode, an inner rotating column is rotatably arranged in the processing base and positioned right below the processing machine shell, a top disc is fixedly arranged at the top end of the inner rotating column in an integrated mode, a guide groove body is fixedly arranged in the processing base and positioned at the edge of the inner rotating column in an annular array mode, a linkage driving assembly which is matched with the guide groove body and drives the inner rotating column to rotate along with the movement of the processing machine shell is arranged in the processing base, and a self-locking clamp is fixedly arranged on the upper surface of the top disc in an annular array mode. The invention can process three parts in three different steps simultaneously, has less power equipment and high processing effect, and can stop equipment to work in time before deviation of drilling occurs.

Description

Cantilever type drilling tapping machine

Technical Field

The invention belongs to the technical field of processing equipment, and particularly relates to a cantilever type drilling and tapping machine.

Background

The drilling and tapping machine is a metal cutting machine tool, is numerically-controlled processing equipment, has similar style and function as a processing center, is only smaller than the processing center, is low in inertia, is designed to be a main shaft, is driven by a main shaft in a straight knot mode, is high in stability, is quick and accurate in tool changing of a clamping arm tool magazine, has a tool changing time of 1.4 seconds, and is very suitable for drilling holes with smaller diameters except for part processing; and the high-tapping energy AC spindle servo motor and humanized dialogue type medium area are adopted, so that the operation is convenient.

Problems of the prior art:

the existing drilling and tapping machine has two working modes, namely, the operation of centering hole drilling, hole drilling and tapping is sequentially carried out on a part, in the equipment, three cutters are not all in a working state all the time, and when one cutter works, the other two cutters are in an idle state, so that the equipment has the defects of low processing efficiency and low yield; secondly, a part moves in the assembly line type equipment and sequentially completes the operations of drilling a centering hole, drilling a hole and tapping, and in the equipment, each cutter needs a motor to control rotation, so that the use quantity of the power equipment is large, and the power consumption is high; in addition, the two types of equipment cannot stop the equipment to continue working in time when the machining error occurs, so that the production of an unfinished product cannot be avoided, and the problem of raw material consumption cannot be relieved.

Disclosure of Invention

The invention aims to provide a cantilever type drilling and tapping machine which can process three parts in three different steps simultaneously, has less power equipment and high processing effect, and can stop equipment to work in time before deviation of drilling occurs.

The technical scheme adopted by the invention is as follows:

the cantilever type drilling and tapping machine comprises a machining base and machining main control equipment, wherein one end of the machining base is vertically and fixedly provided with a climbing frame, one side of the top of the climbing frame is slidably assembled with a machining shell, an inner rotating column is rotatably arranged in the machining base and is positioned right below the machining shell, a top disc is fixedly arranged at the top end of the inner rotating column, a guide groove body is fixedly arranged in the machining base and is positioned at the edge of the inner rotating column in an annular array manner, a linkage driving assembly which is matched with the guide groove body and drives the inner rotating column to rotate along with the movement of the machining shell is arranged in the machining base, and a self-locking clamp is fixedly arranged on the upper surface of the top disc in an annular array manner;

the bottom edge of the processing machine shell is fixedly provided with a ring rail frame, the lower part of the ring rail frame is provided with an assembling body in an adjustable manner through a screw, one end of each of the three assembling bodies is internally provided with an inner pipe in a rotating manner, the bottoms of the three inner pipes are respectively provided with a centering hole drilling tool rod piece, a hole drilling tool rod piece and a tapping drilling tool rod piece, the top ends of the three inner pipes are fixedly provided with processing shafts, the bottom ends of the processing shafts combined with the hole drilling tool rod piece and the tapping drilling tool rod piece are uniformly and integrally connected with cross rods, the two cross rods are respectively movably inserted into cross grooves formed in the tops of the hole drilling tool rod piece and the tapping drilling tool rod piece, the outer surfaces of the cross rods are respectively sleeved with springs I, and the inner top ends of the inner pipes combined with the hole drilling tool rod piece and the tapping drilling tool rod piece are fixedly provided with pressure sensors;

the processing main control equipment is internally provided with an offset early warning unit, and the offset early warning unit is internally provided with a depth information memory unit for recording the initial processing height of the processing machine shell during normal processing, a pressure information receiving unit for receiving detection information of a pressure sensor, a pressure point offset judging unit for judging that a drilling tool is in contact with a part to be processed in advance before the initial processing height, an equipment stopping unit for stopping the equipment in time and an alarm prompting unit for giving an alarm;

the outer wall of the inner rotating column is provided with a spiral guide groove in an annular array manner, and a top straight groove and a bottom straight groove are respectively formed in the outer wall of the inner rotating column and located at the top end and the bottom end of the spiral guide groove;

the linkage driving assembly comprises a sleeve plate which is installed inside a processing base in a lifting manner, one end of the sleeve plate is movably sleeved on the outer surface of the inner rotary column, the other end of the sleeve plate is fixedly connected with the processing machine shell through a connecting plate which is integrally arranged, an outer pipe is fixedly connected to the outer surface of one end of the sleeve plate in an annular array manner, inner supporting rods are movably inserted into the outer pipe in a penetrating manner, and one end of each inner supporting rod is movably inserted into the spiral guide groove;

the inner wall of the guide groove body is provided with a special-shaped loop groove for controlling the inner supporting rod to reciprocate transversely.

The top fixed mounting of processing casing has the motor, motor output and be located processing casing inside fixed mounting have the master gear, processing casing inside and be located the edge rotation of master gear and install the pinion, just the pinion all with the master gear meshes.

The inside of the processing machine shell is adjustably provided with telescopic rods, one ends of the three telescopic rods are in transmission connection with corresponding auxiliary gears through universal joints, the other ends of the three telescopic rods are also in transmission connection with corresponding processing shafts through universal joints, the number of teeth of the auxiliary gears which are in transmission with the tapping drill rod piece is the largest, and the number of teeth of the auxiliary gears which are in transmission with the hole drill rod piece is the smallest.

The inside one end fixed mounting of processing casing has the elevating system who is used for controlling processing casing lift to remove, processing master control equipment's inside still is provided with the lift control unit that is used for controlling elevating system work and is used for controlling the motor control unit of motor work.

The baffle is fixedly arranged on the outer wall of one end of the inner supporting rod in an integral mode, a second spring is connected between the outer wall of the outer tube and the inner wall of the baffle, and a guide rod is vertically arranged on the end of the inner supporting rod in an integral mode.

The guide rod is movably inserted into the special-shaped loop groove, and the special-shaped loop groove comprises a climbing groove, a return groove, an overhanging groove and a guide return groove, wherein the climbing groove is arranged on one side, close to the inner rotating column, of the guide groove body, the return groove is communicated with the top end of the climbing groove, the overhanging groove is communicated with the bottom end of the return groove, and the guide return groove is communicated with the climbing groove and the overhanging groove.

The processing base upper surface and be located the fixed baffle ring platform that is provided with in edge of roof-top plate, just the cambered surface breach has been seted up to the baffle ring platform one end that keeps away from the frame that climbs.

The self-locking clamp comprises three clamp shells fixedly mounted on the upper surface of a top disc, one end of each clamp shell is provided with a main clamping block in a sliding mode, two side straight cavities are formed in two sides of the other end of each clamp shell, auxiliary clamping blocks are slidably mounted in the side straight cavities, the lower surface of each main clamping block is fixedly connected with a bottom rod I, the lower surface of each auxiliary clamping block is fixedly connected with a bottom rod II, one end of the upper surface of each clamp shell is provided with a through groove I for the corresponding bottom rod I to penetrate, and two sides of the other end of the upper surface of each clamp shell are provided with through grooves II for the corresponding bottom rods II to penetrate.

The double-groove rod is rotatably arranged on two sides of the inside of the clamp shell, the long groove and the short groove are sequentially formed in a penetrating mode from the switching end to the tail end of the double-groove rod, the tail end of the first bottom rod is movably inserted into the long groove, and the tail end of the second bottom rod is movably inserted into the short groove.

The one end that main clamp splice is close to the top disc centre of a circle has the activity to support the piece one through the spring expansion piece one swing joint that sets up, two vice clamp splice opposite end all has the activity to support the piece two through the spring expansion piece two swing joint that set up.

The invention has the technical effects that:

according to the invention, the centering hole drilling cutter bar piece contacts the most original part and drills the centering hole, the hole drilling cutter bar piece contacts the part which is drilled with the centering hole and drills the hole, the tapping drilling cutter bar piece contacts the part which is drilled with the hole, and the three parts can be respectively subjected to different operations after one-time descending of the processing shell; in addition, one motor simultaneously controls three cutters to work simultaneously, and compared with the production line type processing equipment, the structure can reduce the use of power equipment and reduce the electricity consumption.

According to the invention, when the hole drilling rod piece or the tapping drilling rod piece is not aligned with the corresponding hole, the contact position of the cutter and the part is located on the surface of the part, the pressure point deviation judging unit can judge that the corresponding cutter is deviated from the correct drilling position, the equipment stopping unit and the alarm prompting unit are triggered at the same time, the equipment stops subsequent drilling or tapping work in time, and simultaneously gives an alarm.

According to the invention, in the ascending and resetting process of the processing machine shell, the replacement of parts is automatically completed, so that the corresponding parts automatically enter the next processing position, and the rotating and replacing process is realized without other electric equipment, and the ascending and descending processes of the processing machine shell and the rotating and replacing process are controlled by the same device, so that no extra electric power consumption is generated, and the electric power consumption of the equipment is greatly reduced.

The guide groove body is arranged, so that the inner rotary column is driven to rotate when the sleeve plate ascends, the inner rotary column is not driven to do any movement when the sleeve plate descends, the part replacement work is finished when the machining machine shell ascends, and the part machining work is finished when the machining machine shell descends.

According to the invention, the rotation of the top disc can be utilized to enable the main clamping block and the inner wall of the baffle ring platform to extrude to finish the clamping and fixing work of the part, the part clamping work is not needed to be operated manually, an operator only needs to put the part into the top of the clamp shell, finally, the part is taken out of the clamp shell, any locking and unlocking operation is not needed manually in the whole processing process, the processing time of the part is greatly shortened through saving steps, and the working efficiency and the yield of the equipment are further improved.

Drawings

FIG. 1 is a block diagram of a drill-and-tap machine provided by an embodiment of the invention;

FIG. 2 is a cross-sectional block diagram of a drill-and-tap machine provided by an embodiment of the invention;

FIG. 3 is an exploded view of the assembled construction of three types of drills provided by embodiments of the present invention;

FIG. 4 is a schematic view of three types of drills according to an embodiment of the present invention;

FIG. 5 is a system diagram of a processing master device according to an embodiment of the present invention;

FIG. 6 is an assembled block diagram of an inner column provided by an embodiment of the present invention;

FIG. 7 is an exploded view of a structure for driving rotation of an inner column according to an embodiment of the present invention;

FIG. 8 is a schematic view of the installation of a self-locking clamp provided by an embodiment of the present invention;

FIG. 9 is an exploded view of a self-locking clamp provided by an embodiment of the present invention;

fig. 10 is a bottom view of the interior of the clamp housing provided by an embodiment of the invention.

In the drawings, the list of components represented by the various numbers is as follows:

1. processing a base; 101. a baffle ring table; 102. a cambered surface notch; 2. a climbing frame; 3. machining a shell; 301. a motor; 302. a main gear; 303. a pinion gear; 304. a telescopic rod; 305. a universal joint; 306. a ring rail frame; 307. a connecting body; 308. an inner tube body; 309. machining a shaft; 310. centering hole drill rod piece; 311. a hole drilling tool bar; 312. tapping the drill rod piece; 313. a cross bar; 314. a first spring; 315. a pressure sensor; 4. processing main control equipment; 401. a lifting control unit; 402. a motor control unit; 403. an offset early warning unit; 404. a depth information memory unit; 405. a pressure information receiving unit; 406. a pressure point offset determination unit; 407. an equipment stopping unit; 408. an alarm prompting unit; 5. an inner rotating column; 501. a top plate; 502. a spiral guide groove; 503. a bottom straight groove; 504. a straight groove is propped; 6. a sleeve plate; 601. a connecting plate; 602. an outer tube; 603. an inner abutment; 604. a baffle; 605. a second spring; 606. a guide rod; 7. a guide groove body; 701. climbing trough; 702. a return groove; 703. an overhanging groove; 704. a guide-back groove; 8. a self-locking clamp; 801. a clamp housing; 802. a first through groove; 803. a side straight cavity; 804. a second through groove; 805. a main clamping block; 806. a movable supporting block I; 807. a first spring expansion piece; 808. a secondary clamping block; 809. a movable supporting block II; 810. a second spring expansion piece; 811. a double grooved bar; 812. a long groove; 813. a short groove; 814. a first bottom rod; 815. and a bottom rod II.

Detailed Description

The present invention will be specifically described with reference to examples below in order to make the objects and advantages of the present invention more apparent. It should be understood that the following text is intended to describe only one or more specific embodiments of the invention and does not limit the scope of the invention strictly as claimed.

As shown in fig. 1-10, a cantilever type drilling and tapping machine comprises a machining base 1 and a machining main control device 4, wherein one end of the machining base 1 is vertically and fixedly provided with a climbing frame 2, a machining machine shell 3 is assembled on one side of the top of the climbing frame 2 in a sliding mode, an inner rotary column 5 is rotatably installed in the machining base 1 and located right below the machining machine shell 3, a top disc 501 is fixedly installed at the top end of the inner rotary column 5 in an integral mode, a guide groove body 7 is fixedly arranged in the machining base 1 and located on the edge of the inner rotary column 5 in an annular array mode, a linkage driving assembly matched with the guide groove body 7 and used for driving the inner rotary column 5 to rotate along with movement of the machining machine shell 3 is arranged in the machining base 1, and a self-locking clamp 8 is fixedly installed on the upper surface of the top disc 501 in an annular array mode.

Example 1

Referring to fig. 3 and 4, a ring rail frame 306 is fixedly installed at the bottom edge of the processing machine shell 3, assembling bodies 307 are installed below the ring rail frame 306 in an adjustable manner through screws, inner pipe bodies 308 are rotatably installed inside one ends of the three assembling bodies 307, centering hole drilling tool bars 310, hole drilling tool bars 311 and tapping tool bars 312 are respectively installed at the bottoms of the three inner pipe bodies 308, processing shafts 309 are fixedly installed at the top ends of the three inner pipe bodies 308, cross bars 313 are integrally connected with the bottom ends of the processing shafts 309 combined with the hole drilling tool bars 311 and the tapping tool bars 312, the two cross bars 313 are movably inserted into cross grooves formed in the tops of the hole drilling tool bars 311 and the tapping tool bars 312 respectively, a spring one 314 is sleeved on the outer surfaces of the cross bars 313, and pressure sensors 315 are fixedly installed at the inner top ends of the inner pipe bodies 308 combined with the hole drilling tool bars 311 and the tapping tool bars 312;

referring to fig. 2 and 3, a motor 301 is fixedly installed at the top end of the machining housing 3, a main gear 302 is fixedly installed at the output end of the motor 301 and located in the machining housing 3, a pinion 303 is rotatably installed at the edge of the main gear 302 and meshed with the main gear 302 in the machining housing 3, telescopic rods 304 are adjustably arranged in the machining housing 3, one ends of the three telescopic rods 304 are in transmission connection with corresponding pinions 303 through universal joints 305, the other ends of the three telescopic rods 304 are also in transmission connection with corresponding machining shafts 309 through universal joints 305, the number of teeth of the pinions 303 in transmission with tapping drill rod pieces 312 is the largest, and the number of teeth of the pinions 303 in transmission with the hole drill rod pieces 311 is the smallest.

According to the above structure, before machining, the positions of the centering hole drill rod 310, the hole drill rod 311 and the tapping drill rod 312 are determined according to the size requirement, the fixing can be completed by changing the positions of the assembly 307 on the annular rail frame 306 and then using bolts, when machining starts, the motor 301 is started, the centering hole drill rod 310, the hole drill rod 311 and the tapping drill rod 312 are simultaneously driven to rotate together through the meshing of the main gear 302 and the auxiliary gear 303 and the transmission of the telescopic rod 304, wherein the rotating speed of the hole drill rod 311 is the fastest, the rotating speed of the tapping drill rod 312 is the slowest, then the lifting and moving effect is realized through the cooperation of the lifting mechanism and the climbing frame 2, at this time, the centering hole drill rod 310, the hole drill rod 311 and the tapping drill rod 312 are respectively contacted with three parts simultaneously, as shown in fig. 4, the centering hole drill rod 310 is contacted with the part with the centering hole, the tapping drill rod 311 is contacted with the part with the centering hole, the part with the hole drill rod 312 is simultaneously drilled, the part with the hole drilling hole is finished, the machining efficiency is improved, the three parts can be simultaneously processed at the same time, and the same three parts are simultaneously, and the three different in the machining steps are simultaneously, and the machining efficiency is improved.

Referring to fig. 5, a lifting mechanism for controlling the lifting movement of the machining housing 3 is fixedly mounted at one end of the inside of the machining housing 3, a lifting control unit 401 for controlling the lifting mechanism to work and a motor control unit 402 for controlling the motor 301 to work are arranged in the machining main control device 4, an offset early warning unit 403 is further arranged in the machining main control device 4, a depth information memory unit 404 for recording the initial machining height of the machining housing 3 during normal machining, a pressure information receiving unit 405 for receiving detection information of a pressure sensor 315, a pressure point offset judging unit 406 for judging that a drill is in contact with a part to be machined in advance before the initial machining height, a device stopping unit 407 for stopping the device work in time and an alarm prompting unit 408 for giving an alarm are arranged in the offset early warning unit 403.

According to the above structure, when the hole drilling tool bar 311 or the tapping tool bar 312 is not aligned with the corresponding hole, the contact position of the tool and the part will be located on the surface of the part, at this time, the processing casing 3 will normally move to the designated position, but before that, the corresponding cross bar 313 will retract into the hole drilling tool bar 311 or the tapping tool bar 312, the spring one 314 will correspondingly be pressed, the pressure sensor 315 will detect the pressure in advance, at this time, the pressure point deviation judging unit 406 will judge that the corresponding tool has deviated from the correct drilling position, and trigger the equipment stopping unit 407 and the alarm prompting unit 408, the equipment will stop the subsequent drilling or tapping work in time, and at the same time, alarm will be given out.

The working principle of the invention is as follows: before machining, the positions of the centering drill rod member 310, the hole drill rod member 311 and the tapping drill rod member 312 are determined according to the size requirement, the centering drill rod member 310, the hole drill rod member 311 and the tapping drill rod member 312 can be finished by changing the positions of the assembly body 307 on the ring rail frame 306 and then fixing the positions by bolts, when machining starts, the motor 301 is started, the centering drill rod member 310, the hole drill rod member 311 and the tapping drill rod member 312 are simultaneously driven to rotate together through the meshing of the main gear 302 and the auxiliary gear 303 and the transmission of the telescopic rod member 304, wherein the rotating speed of the hole drill rod member 311 is the fastest, the rotating speed of the tapping drill rod member 312 is the slowest, then the lifting and lowering movement effect is realized through the cooperation of the lifting mechanism and the climbing frame 2, at this time, the centering drill rod member 310, the hole drill rod member 311 and the tapping drill rod member 312 are respectively contacted with three parts simultaneously, as shown in fig. 4, the centering drill rod member 310 is contacted with the part on which the centering hole drill rod member 311 is already drilled, the part on which the centering hole is drilled, the hole drill rod member 312 is contacted with the part on which the hole is drilled, and the part on which the hole is finished, and the tapping operation can be carried out on three parts respectively, and three different tapping operations can be carried out by lowering the machine shell 3 respectively;

the normal machining height of the machining housing 3, that is, the correct height information when three tools are simultaneously in contact with three parts, is recorded by the depth information memory unit 404, wherein the initial machining position of the tools in the hole drilling rod piece 311 is to be located in the drilled centering hole, the initial machining position of the tools in the tapping drilling rod piece 312 is to be located in the drilled hole, and the contact area between the tools and the parts is lower than the surface of the parts, so when the hole drilling rod piece 311 or the tapping drilling rod piece 312 is not aligned with the corresponding holes, the contact position of the tools and the parts is located on the surface of the parts, at the moment, the machining housing 3 is normally moved to the designated position, but before that, the corresponding cross rod 313 is retracted into the hole drilling rod piece 311 or the tapping drilling rod piece 312, the spring one 314 is correspondingly pressed, the pressure sensor 315 detects the pressure in advance, at the moment, the pressure point deviation judging unit 406 can judge that the tools are deviated from the correct drilling positions, and trigger the equipment stopping unit 407 and the alarm prompting unit simultaneously, the equipment stops subsequent drilling or tapping operation in time, and the alarm is sent out.

Example two

Referring to fig. 6, a spiral guide groove 502 is formed in the outer wall of the inner rotary column 5 in an annular array, and a top straight groove 504 and a bottom straight groove 503 are formed in the outer wall of the inner rotary column 5 and located at the top end and the bottom end of the spiral guide groove 502.

Referring to fig. 2 and 6, the linkage driving assembly includes a sleeve plate 6 installed inside the processing base 1 in a lifting manner, one end of the sleeve plate 6 is movably sleeved on the outer surface of the inner rotary column 5, the other end of the sleeve plate 6 is fixedly connected with the processing casing 3 through a connecting plate 601 integrally arranged, an outer pipe 602 is fixedly connected to the outer surface of one end of the sleeve plate 6 in an annular array manner, an inner supporting rod 603 is movably inserted into the outer pipe 602 in a penetrating manner, one end of the inner supporting rod 603 is movably inserted into the spiral guide groove 502, a baffle 604 is integrally and fixedly arranged on the outer wall of one end of the inner supporting rod 603, a second spring 605 is connected between the outer wall of the outer pipe 602 and the inner wall of the baffle 604, and a guide rod 606 is integrally and vertically arranged at the tail end of the inner supporting rod 603.

According to the above structure, in the process of completing one-time processing and moving from bottom to top of the processing machine shell 3, the connecting plate 601 drives the sleeve plate 6 to move from bottom to top, the end of the corresponding inner supporting rod 603 enters the spiral guide groove 502 from the bottom straight groove 503, the inner supporting rod 5 drives the top plate 501 to rotate 90 degrees according to the direction of the spiral guide groove 502 as the sleeve plate 6 continues to ascend, each self-locking clamp 8 and the corresponding part simultaneously rotate 90 degrees, for example, the part originally located below the centering hole drilling cutter rod piece 310 moves below the hole drilling cutter rod piece 311, and the part originally located below the hole drilling cutter rod piece 311 moves below the tapping drill cutter rod piece 312, so that one part is transported to the next position to be processed.

Referring to fig. 6 and 7, the inner wall of the guide groove 7 is provided with a special-shaped loop groove for controlling the inner supporting rod 603 to reciprocate transversely, the guide rod 606 is movably inserted into the special-shaped loop groove, and the special-shaped loop groove comprises a climbing groove 701 which is arranged on one side of the guide groove 7 close to the inner rotating column 5, a return groove 702 which is communicated with the top end of the climbing groove 701, an overhanging groove 703 which is communicated with the bottom end of the return groove 702, and a guide return groove 704 which is communicated with the climbing groove 701 and the overhanging groove 703.

According to the above structure, in the process that the inner supporting rod 603 moves from the bottom straight groove 503 to the top straight groove 504, the guide rod 606 at the other end of the inner supporting rod 603 moves from the bottom end of the guide groove 704 to the top end of the climbing groove 701, in this process, the second spring 605 will be in a non-pressed state to be in a pressed state, when moving to the top end of the climbing groove 701, under the action of the second spring 605 in a pressed state, the guide rod 606 will enter into the return groove 702, the end of the inner supporting rod 603 will be separated from the top straight groove 504, at this time, the machine shell 3 will be in the next descending motion, the guide rod 606 will move from the top end of the return groove 702 to the bottom end of the overhanging groove 703, in this process, the second spring 605 will be in a non-pressed state to be in a stretched state, when moving to the bottom end of the overhanging groove 703, under the action of the second spring 605 in a stretched state, the guide rod 606 will be in a pressed state again to be in the inside the climbing groove 503, in this process, the end of the guide groove 7 is set, the inner supporting rod 603 can rotate when the sleeve 6 is ascending, the inner rotating post 5 is driven, at this time, the machine shell 3 will not be driven to descend, and any machine shell 3 is replaced when the sleeve 6 is in the ascending motion, and the machine shell 3 is finished.

The working principle of the invention is as follows: in the process that the machining shell 3 finishes one-time machining and moves from bottom to top, the connecting plate 601 can drive the sleeve plate 6 to move from bottom to top, the end of the corresponding inner supporting rod 603 enters the spiral guide groove 502 from the bottom straight groove 503, the inner supporting rod 5 drives the top plate 501 to rotate 90 degrees along with the continuous lifting of the sleeve plate 6 according to the direction of the spiral guide groove 502, and each self-locking clamp 8 and the corresponding part simultaneously rotate 90 degrees, for example, the part originally positioned below the centering hole drilling tool bar 310 moves below the hole drilling tool bar 311, and the part originally positioned below the hole drilling tool bar 311 moves below the tapping drilling tool bar 312, so that one part is conveyed to the next position to be machined;

in the process that the inner supporting rod 603 moves from the bottom straight groove 503 to the top straight groove 504, the guide rod 606 at the other end of the inner supporting rod 603 moves from the bottom end of the guide return groove 704 to the top end of the climbing groove 701, in the process, the spring II 605 is changed from an unpressurized state to a pressurized state, when moving to the top end of the climbing groove 701, under the action of the spring II 605 in the pressurized state, the guide rod 606 enters into the return groove 702, the end of the inner supporting rod 603 is separated from the top straight groove 504, the processing machine shell 3 is in the next descending motion, in this process, the guide rod 606 moves from the top end of the return groove 702 to the bottom end of the overhanging groove 703, in the process, the spring II 605 is changed from an unpressurized state to a stretched state, when moving to the bottom end of the overhanging groove 703, under the action of the spring II 605, the guide rod 606 is returned into the guide return groove 704, and the end of the inner supporting rod 603 is re-entered into the bottom straight groove 503.

Example III

Referring to fig. 8, a baffle ring table 101 is fixedly arranged on the upper surface of the processing base 1 and at the edge of the top plate 501, and an arc surface notch 102 is formed at one end of the baffle ring table 101 away from the climbing frame 2.

Referring to fig. 9 and 10, the self-locking clamp 8 includes three clamp housing 801 fixedly mounted on the upper surface of the top plate 501, one end of the clamp housing 801 is slidably provided with a main clamping block 805, two sides of the other end of the clamp housing 801 are provided with side straight cavities 803, the insides of the two side straight cavities 803 are slidably provided with auxiliary clamping blocks 808, the lower surface of the main clamping block 805 is fixedly connected with a first bottom rod 814, the lower surface of the auxiliary clamping block 808 is fixedly connected with a second bottom rod 815, one end of the upper surface of the clamp housing 801 is provided with a first through groove 802 for the first bottom rod 814 to penetrate, and two sides of the other end of the upper surface of the clamp housing 801 are provided with a second through groove 804 for the second bottom rod 815 to penetrate.

Referring to fig. 9 and 10, two sides of the inside of the fixture housing 801 are rotatably provided with a double-groove bar 811, the double-groove bar 811 sequentially penetrates through the long groove 812 and the short groove 813 from the switching end to the tail end, the tail end of the first bottom bar 814 is movably inserted into the long groove 812, the tail end of the second bottom bar 815 is movably inserted into the short groove 813, one end of the main clamping block 805, which is close to the center of the top disc 501, is movably connected with a first movable supporting block 806 through a first arranged spring expansion piece 807, and one opposite end of the two auxiliary clamping blocks 808 is movably connected with a second movable supporting block 809 through a second arranged spring expansion piece 810.

According to the above structure, each self-locking clamp 8 can complete the work of part feeding and discharging at the arc notch 102, when the part is fed, the part is loaded at the top of the clamp housing 801, then the clamp rotates along with the top disc 501, when the clamp leaves the arc notch 102, the main clamp block 805 is attached to the arc surface of the arc notch 102 and is attached to the inner wall of the baffle ring platform 101, in the process, the main clamp block 805 moves, and the movable clamp block 806 presses the part, when the main clamp block 805 moves, the bottom rod 814 at the bottom moves at the same time in the through groove 802 and the long groove 812, and simultaneously drives the two double groove rods 811 to rotate in opposite directions, and then the two double groove rods 811 can drive the two auxiliary clamp blocks 808 to move in opposite directions, the auxiliary clamp block 808 is matched with the movable clamp block two 809 to jointly press the side wall of the part, at this time, the clamping work of the part can be automatically completed, the main clamp block 805 can be pressed with the inner wall of the baffle ring platform 101 by using the rotation of the top disc 501 to complete the clamping work of the part, the clamping work of the part is completed, the whole work is saved, the manual work is saved, the whole work is saved, the work is saved, and the whole work is saved, the operator is required to be finished, and the work is finished by the work is by the step is finished.

The working principle of the invention is as follows: the three self-locking clamps 8 are arranged in a 90-degree distribution manner, each self-locking clamp 8 can carry a part to rotate for one circle, three steps of centering hole drilling, hole drilling and tapping are sequentially completed in the process, firstly, each self-locking clamp 8 can complete part feeding and discharging work at the arc-surface notch 102, during feeding, the part is loaded into the top of the clamp shell 801, then the clamp rotates along with the top disc 501, when the clamp leaves the arc-surface notch 102, the main clamp block 805 is firstly attached to the arc surface of the arc-surface notch 102 and is attached to the inner wall of the baffle ring table 101, in the process, the main clamp block 805 moves, the movable support block 806 is driven to press the part, the bottom rod 814 at the bottom of the main clamp block 805 moves in the through groove 802 and the long groove 812 simultaneously, two double-groove rods 811 are driven to rotate in the opposite directions, and then, the two double-groove rods 811 can drive the two auxiliary clamp blocks 808 to move in the opposite directions, and the auxiliary clamp blocks 808 are matched with the movable support blocks 809 to jointly squeeze the side walls of the part, so that the part can be clamped automatically.

The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. The utility model provides a cantilever type drilling tapping machine, includes processing base (1) and processing master control equipment (4), its characterized in that: one end of the processing base (1) is vertically and fixedly provided with a climbing frame (2), one side of the top of the climbing frame (2) is slidably assembled with a processing machine shell (3), an inner rotating column (5) is rotatably arranged in the processing base (1) and is positioned right below the processing machine shell (3), a top disc (501) is integrally and fixedly arranged at the top end of the inner rotating column (5), a guide groove body (7) is fixedly arranged in the processing base (1) and is positioned at the edge of the inner rotating column (5) in an annular array manner, a linkage driving assembly which is matched with the guide groove body (7) and drives the inner rotating column (5) to rotate along with the movement of the processing machine shell (3) is arranged in the processing base (1), and a self-locking clamp (8) is fixedly arranged on the upper surface of the top disc (501) in an annular array manner;

the bottom edge of the machining shell (3) is fixedly provided with a ring rail frame (306), the lower part of the ring rail frame (306) is provided with an assembling body (307) in an adjustable manner through a screw, one end of each of the three assembling bodies (307) is internally provided with an inner pipe body (308) in a rotating manner, the bottoms of the three inner pipe bodies (308) are respectively provided with a centering hole drilling tool rod (310), a hole drilling tool rod (311) and a tapping drilling tool rod (312), the top ends of the three inner pipe bodies (308) are fixedly provided with a machining shaft (309), the bottom ends of the machining shaft (309) combined with the hole drilling tool rod (311) and the tapping drilling tool rod (312) are uniformly connected with cross rods (313), the two cross rods (313) are respectively movably inserted into cross grooves formed in the tops of the hole drilling tool rod (311) and the tapping tool rod (312), the outer surfaces of the cross rods (313) are respectively sleeved with a spring one (314), and the inner pipe bodies (308) combined with the hole drilling tool rod (311) and the tapping tool rod (312) are fixedly provided with pressure sensors (315);

an offset early warning unit (403) is arranged in the machining main control equipment (4), and a depth information memory unit (404) for recording the initial machining height of the machining machine shell (3) in normal machining, a pressure information receiving unit (405) for receiving detection information of a pressure sensor (315), a pressure point offset judging unit (406) for judging that a drilling tool is in contact with a part to be machined in advance before the initial machining height, an equipment stopping unit (407) for stopping the equipment in time and an alarm prompting unit (408) for giving an alarm are arranged in the offset early warning unit (403);

the outer wall of the inner rotary column (5) is provided with a spiral guide groove (502) in an annular array manner, and a top straight groove (504) and a bottom straight groove (503) are formed in the outer wall of the inner rotary column (5) and located at the top end and the bottom end of the spiral guide groove (502);

the linkage driving assembly comprises a sleeve plate (6) which is installed inside a processing base (1) in a lifting mode, one end of the sleeve plate (6) is movably sleeved on the outer surface of the inner rotary column (5), the other end of the sleeve plate (6) is fixedly connected with the processing machine shell (3) through a connecting plate (601) which is integrally arranged, an outer tube (602) is fixedly connected to the outer surface of one end of the sleeve plate (6) in an annular array mode, inner supporting rods (603) are movably inserted into the outer tube (602) in a penetrating mode, and one end of each inner supporting rod (603) is movably inserted into the spiral guide groove (502);

a baffle (604) is integrally and fixedly arranged on the outer wall of one end of the inner supporting rod (603), a second spring (605) is connected between the outer wall of the outer tube (602) and the inner wall of the baffle (604), and a guide rod (606) is vertically arranged at the end of the inner supporting rod (603) in an integrated manner;

the inner wall of the guide groove body (7) is provided with a special-shaped loop groove for controlling the inner supporting rod (603) to reciprocate transversely;

the guide rod (606) is movably inserted into the special-shaped loop groove, and the special-shaped loop groove comprises a climbing groove (701) which is formed in one side of the guide groove body (7) close to the inner rotating column (5), a return groove (702) which is communicated with the top end of the climbing groove (701), an overhanging groove (703) which is communicated with the bottom end of the return groove (702) and a guide return groove (704) which is communicated with the climbing groove (701) and the overhanging groove (703).

2. A cantilever type drilling and tapping machine according to claim 1, wherein: the motor (301) is fixedly mounted at the top end of the machining machine shell (3), the main gear (302) is fixedly mounted at the output end of the motor (301) and located inside the machining machine shell (3), the auxiliary gear (303) is rotatably mounted inside the machining machine shell (3) and located at the edge of the main gear (302), and the auxiliary gears (303) are meshed with the main gear (302).

3. A cantilever type drilling and tapping machine according to claim 2, wherein: the inside of processing casing (3) is adjustable to be provided with telescopic link (304), three telescopic link (304) one end pass through universal joint (305) with corresponding pinion (303) transmission is connected, and the other end of three telescopic link (304) equally pass through universal joint (305) with corresponding processing axle (309) transmission is connected, in three pinion (303) with tapping drill cutter arbor (312) looks driven pinion (303) tooth number is the most, and with hole drill cutter arbor (311) looks driven pinion (303) tooth number is the minimum.

4. A cantilever type drilling and tapping machine according to claim 3, wherein: the lifting mechanism for controlling the lifting movement of the machining machine shell (3) is fixedly arranged at one end of the inside of the machining machine shell (3), and a lifting control unit (401) for controlling the lifting mechanism to work and a motor control unit (402) for controlling the motor (301) to work are further arranged in the machining main control equipment (4).

5. A cantilever type drilling and tapping machine according to claim 1, wherein: the machining base is characterized in that a baffle ring table (101) is fixedly arranged on the upper surface of the machining base (1) and located at the edge of the top disc (501), and an arc surface notch (102) is formed in one end, far away from the climbing frame (2), of the baffle ring table (101).

6. A cantilever type drilling and tapping machine according to claim 1, wherein: the self-locking clamp (8) comprises three clamp shells (801) fixedly mounted on the upper surface of a top disc (501), one ends of the clamp shells (801) are slidably provided with main clamping blocks (805), two side straight cavities (803) are formed in two sides of the other ends of the clamp shells (801), auxiliary clamping blocks (808) are slidably mounted in the side straight cavities (803), the first bottom rod (814) is fixedly connected to the lower surface of the main clamping blocks (805), the second bottom rod (815) is fixedly connected to the lower surface of the auxiliary clamping blocks (808), a first through groove (802) for the first bottom rod (814) to penetrate is formed in one end of the upper surface of the clamp shells (801), and a second through groove (804) for the second bottom rod (815) to penetrate is formed in two sides of the other ends of the upper surface of the clamp shells (801).

7. The cantilever type drilling and tapping machine according to claim 6, wherein: the fixture is characterized in that double groove rods (811) are rotatably arranged on two sides of the inside of the fixture shell (801), long grooves (812) and short grooves (813) are sequentially formed in the double groove rods (811) in a penetrating mode from the switching end to the tail end, the tail end of a first bottom rod (814) is movably inserted into the long grooves (812), and the tail end of a second bottom rod (815) is movably inserted into the short grooves (813).

8. A cantilever type drilling and tapping machine according to claim 7, wherein: one end of the main clamping block (805) close to the center of the top disc (501) is movably connected with a movable supporting block I (806) through a spring expansion piece I (807) which is arranged, and two opposite ends of the auxiliary clamping block (808) are movably connected with a movable supporting block II (809) through a spring expansion piece II (810) which is arranged.