CN118720748B - Integrated drilling and grinding device - Google Patents
Integrated drilling and grinding device Download PDFInfo
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- CN118720748B CN118720748B CN202411060452.9A CN202411060452A CN118720748B CN 118720748 B CN118720748 B CN 118720748B CN 202411060452 A CN202411060452 A CN 202411060452A CN 118720748 B CN118720748 B CN 118720748B
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- 238000005553 drilling Methods 0.000 title claims abstract description 186
- 230000033001 locomotion Effects 0.000 claims abstract description 37
- 238000009434 installation Methods 0.000 claims description 25
- 230000001360 synchronised effect Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 8
- 238000005498 polishing Methods 0.000 description 38
- 239000003245 coal Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/015—Frames, beds, pillars
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- Optics & Photonics (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
本发明公开了一种一体化钻孔打磨装置，涉及机械加工技术领域，包括：具有相同尺寸的钻头和磨块，磨块通过旋转运动对钻头所钻的通孔或沉孔进行磨孔，钻磨旋转结构，具有相同尺寸的钻头和磨块分别安装于钻磨旋转结构的两端，钻磨旋转结构包含有中部连接部、旋转驱动部以及钻磨安装部，在工作中，通过设置有关于驱动结构中心面对称的两组钻磨旋转结构，通过驱动结构驱动两组钻磨旋转结构旋转，辅助有定位基座致使两组钻磨旋转结构旋转运动的同时直线前后运动，一组钻磨旋转结构即可实现钻孔和膜孔动作，且钻孔和磨孔之间互不干扰，相互独立。
The invention discloses an integrated drilling and grinding device, which relates to the technical field of mechanical processing and comprises: a drill bit and a grinding block with the same size, the grinding block grinds the through hole or countersunk hole drilled by the drill bit through rotational motion, a drilling and grinding rotating structure, the drill bit and the grinding block with the same size are respectively installed at two ends of the drilling and grinding rotating structure, the drilling and grinding rotating structure comprises a middle connecting part, a rotation driving part and a drilling and grinding mounting part. During operation, two groups of drilling and grinding rotating structures are arranged symmetrically about the center plane of the driving structure, the two groups of drilling and grinding rotating structures are driven to rotate by the driving structure, assisted by a positioning base so that the two groups of drilling and grinding rotating structures rotate and move back and forth in a straight line at the same time, and one group of drilling and grinding rotating structures can realize drilling and drilling hole actions, and the drilling and grinding holes do not interfere with each other and are independent of each other.
Description
Technical Field
The invention relates to the technical field of machining, in particular to an integrated drilling and polishing device.
Background
With the continuous progress of coal mining technology, the requirements on the performance and the efficiency of various devices are also higher and higher. Drilling and polishing are one of important links for maintaining coal mine equipment, and have important significance for guaranteeing normal operation of the equipment and improving working efficiency.
The traditional drilling and polishing method is usually carried out manually, the efficiency is low, equipment is easy to damage, and in recent years, along with the development of automation and intelligent technology, some advanced drilling and polishing equipment and technology are gradually applied to the field of coal mine equipment maintenance.
The prior art can refer to the China patent with publication number CN113172431A discloses a drilling and grinding dual-purpose device for manufacturing precise machinery, which aims at enabling drilling operation and grinding operation to be carried out on the same device by arranging a grinding block and a drill bit in a drilling and grinding mechanism, avoiding the sequential taking of the grinding equipment and the drilling equipment, improving the overall working efficiency, and not realizing the drilling and grinding integration although the drilling machine and the grinding machine are existing in the prior art, but realizing the integrated drilling and grinding if the grinding block and the drill bit are arranged on one mechanism, being difficult to realize for the independent drilling process or the grinding process or needing to be realized by frequently disassembling the grinding block and the drill bit, and being often not intelligent enough and too complicated to operate.
The traditional drilling and polishing process generally relates to various devices, such as a drilling machine, a grinding machine and the like, which are often independently operated, and frequently need to replace tools, so that the operation efficiency is relatively low, the devices are difficult to move in a narrow space of a coal mine, the labor intensity and the safety risk are increased, the drilling machine drives a drill bit to rotate through a motor, so that drilling work is realized, when holes with different diameters are processed, the drill bits with different types need to be replaced, so that the drilling work can be processed into the required size aperture, and the polishing machine polishes a workpiece on a positioning jig through a polishing disc or rotates the polishing disc without rotating the positioning jig, and polishes the workpiece on the positioning jig through the polishing disc.
Along with the improvement of the mechanization and automation degree of the coal mine, the requirement for efficient and safe drilling and polishing equipment is growing day by day, and the research and development of the integrated drilling and polishing device aims at integrating drilling and polishing functions into one equipment so as to improve the working efficiency, reduce the equipment switching time, lighten the labor intensity of workers and improve the working safety while reducing the production cost.
Disclosure of Invention
Based on the problems in the prior art, the embodiment of the invention aims to provide an integrated drilling and polishing device which is convenient for realizing drilling and polishing integration and simultaneously can respectively realize drilling and polishing procedures.
The technical scheme adopted for solving the technical problems is that the integrated drilling and polishing device comprises a drill bit and a grinding block, wherein the drill bit and the grinding block have the same size, and the grinding block grinds through holes or counter bores drilled by the drill bit through rotary motion;
The drilling and grinding rotary structure comprises a middle connecting part, a rotary driving part and a drilling and grinding installation part, wherein the middle connecting part, the rotary driving part and the drilling and grinding installation part are fixedly connected, a worm is sleeved on the surface of the middle connecting part, and a positioning base is sleeved on the surface of the rotary driving part;
The driving structure is engaged with the surface of the worm in a meshing manner, the driving structure causes the worm to rotate through rotary motion so as to drive the drilling and grinding rotary structure to rotate, and the drilling and grinding rotary structure is subjected to torque force of the positioning base in the rotating process so as to linearly move;
And the displacement structure is used for moving the workpiece to be drilled to a drilling or hole grinding station.
Further, the driving structure comprises a central rotating rod and a driving turbine fixed on the surface of the central rotating rod, the surface of the central rotating rod is rotatably connected with a stepped workbench, and a base is welded on the lower surface of the stepped workbench;
One end of the central rotating rod penetrating through the stepped workbench is provided with a group of motors, and the end part of an output shaft of each motor is fixed with the central rotating rod.
Further, the base comprises a supporting disc fixed on a plane and four fixing rods vertically inserted into the supporting disc, and the four groups of fixing rods are distributed on the surface of the supporting disc at equal intervals.
Further, the middle connecting part is a wedge-shaped rod, the inside of the worm is vertically through, and the cross section shape of a cavity of the worm is consistent with the appearance shape of the wedge-shaped rod;
And the outer peripheral surface of the rotary driving part is provided with a threaded key groove.
Further, the positioning base is fixed on a lower layer step of the step-type workbench, and the drilling and grinding rotating structure reciprocates back and forth relative to the positioning base;
the positioning base is provided with a through hole along the axis direction of the rotary driving part, and a thread key matched with the surface of the rotary driving part is arranged at the position of the through hole inside the positioning base.
Further, the top surface of the stepped workbench is provided with at least two groups of positioning structures, and the positioning structures are fixed at two ends of the worm;
The positioning structure comprises a positioning substrate and an inner bearing, and the positioning substrate is rotatably arranged on the surface of the inner bearing.
Further, the inner bearing comprises a circular positioning plate and four groups of extending clamping plates fixed on the end face of the circular positioning plate at equal intervals, the cross sections of the extending clamping plates are arranged in an F shape, a plurality of small balls are embedded between two groups of plate bodies parallel to the inner bearing, and the end faces of the plate bodies embedded with the small balls are opposite;
The surface of the positioning substrate is provided with a rolling groove for rolling the small ball.
Further, a wedge-shaped groove is formed in the positioning structure, and the positioning structure is attached to the outer surface of the middle connecting part;
the diameter size of an inner ring surrounded by the four groups of extension clamping plates is larger than the outer diameter size of the middle connecting part.
Further, a threaded hole for installing a drill bit is formed in the drilling and grinding installation part, and the drill bit or the grinding block is installed in the threaded hole in a threaded connection mode;
The spiral installation direction of the drill bit is consistent with the rotation direction of the corresponding drilling and grinding rotary structure.
Further, the cylinder surface at the bottom end of the central rotating rod is provided with at least three groups of grooves, and synchronous belts are stretched in the grooves.
Compared with the prior art, the invention has the following beneficial effects:
The device is provided with two groups of drilling and grinding rotary structures which are symmetrical with respect to the central plane of the driving structure, the two groups of drilling and grinding rotary structures are driven to rotate by the driving structure, the positioning base is assisted to enable the two groups of drilling and grinding rotary structures to move linearly back and forth while rotating, and the drilling and grinding rotary structures can realize the actions of drilling and grinding holes, and the drilling and the grinding holes are not mutually interfered and are mutually independent;
According to the device, through the two groups of drilling and grinding rotary structures which are symmetrical with respect to the central plane of the driving structure, the same installation positions of the drill bit and the grinding block are changed, the two groups of drilling and grinding rotary structures are driven to rotate through one group of driving structures, and the two groups of drilling and grinding rotary structures can realize synchronous drilling or hole grinding for two times or drilling and grinding in a rotary linear motion, so that the number of drilling or hole grinding tools is increased, and the working efficiency of drilling or hole grinding is improved;
According to the device, the synchronous operation of the driving structures in the integrated drilling and polishing devices is realized through arranging the integrated drilling and polishing devices at different positions and the synchronous operation of the integrated drilling and polishing devices can be realized through one group of driving sources, so that resources are saved, the green and environment-friendly concept is realized, the integrated drilling and polishing operation is realized on the same workpiece at the same station through the reciprocating linear motion of the integrated drilling and polishing devices, and meanwhile, the integrated drilling and polishing operation can be realized at multiple stations, and the drilling and polishing efficiency is greatly improved;
4. The device is used for supporting the drilling and grinding rotary structure through being provided with the positioning base and the positioning structure, so that the friction force of the drilling and grinding rotary structure in rotation and linear motion is reduced as much as possible, smooth operation of the drilling and grinding rotary structure is realized, the positioning structure is used for enabling the drilling and grinding rotary structure to perform self-generating front-back linear motion through torque force generated by the rotary driving part, a plurality of driving force devices are not needed to be held, the integral framework of the device is simplified, and the equipment cost of the integrated drilling and grinding device is reduced.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a schematic, isometric linkage view of a plurality of integrated borehole grinding devices of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A in accordance with the present invention;
FIG. 3 is a schematic perspective view of an integrated drilling and polishing apparatus of the present invention;
FIG. 4 is a schematic perspective view of a plurality of integrated borehole grinding devices in accordance with the present invention;
FIG. 5 is a schematic perspective view of a plurality of integrated borehole grinding devices of the present invention;
FIG. 6 is a schematic perspective view of the driven drilling and polishing operation of the drilling and polishing rotary structure of the present invention;
FIG. 7 is an exploded view of the positioning base and rotary drive of the present invention;
fig. 8 is a schematic perspective exploded view of the positioning structure of the present invention.
Reference numerals:
1. the drilling and grinding machine comprises a base, 11, a supporting disc, 12, a fixed rod, 2, a stepped workbench, 3, a drilling and grinding rotary structure, 31, a middle connecting part, 32, a rotary driving part, 33, a drilling and grinding installation part, 4, a driving structure, 41, a central rotary rod, 42, a driving turbine, 5, a worm, 6, a positioning base, 61, a thread key, 7, a drill bit, 8, a grinding block, 9, a positioning structure, 91, a positioning substrate, 92, a rolling groove, 93, an inner bearing, 931, a circular positioning, 932, an extension clamping plate, 933, small balls, 10 and a synchronous belt.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the invention only by way of illustration, and therefore it shows only the constitution related to the invention.
Example 1
Referring to fig. 1 to 8, an integrated drilling and polishing device comprises a drill bit 7 and a grinding block 8 with the same size, wherein the grinding block 8 grinds a through hole or a counter bore drilled by the drill bit 7 through rotary motion;
The drilling and grinding rotary structure 3, the drill bit 7 and the grinding block 8 with the same size are respectively arranged at two ends of the drilling and grinding rotary structure 3, the drilling and grinding rotary structure 3 comprises a middle connecting part 31, a rotary driving part 32 and a drilling and grinding installation part 33, the middle connecting part 31, the rotary driving part 32 and the drilling and grinding installation part 33 are fixedly connected, the drilling and grinding rotary structure 3 is of a symmetrical structure, the drilling and grinding installation part 33, the rotary driving part 32, the middle connecting part 31, the rotary driving part 32 and the drilling and grinding installation part 33 are sequentially connected in a connecting mode, the drill bit 7 and the grinding block 8 with the same size are connected inside the two groups of drilling and grinding installation parts 33 through threads, a worm 5 is sleeved on the surface of the middle connecting part 31, a through groove for the sleeving of the middle connecting part 31 is formed inside the worm 5, and a positioning base 6 is sleeved on the surface of the rotary driving part 32;
The driving structure 4 is engaged with the surface of the worm 5 in a meshing manner, the driving structure 4 causes the worm 5 to rotate through rotary motion so as to drive the drilling and grinding rotary structure 3 to rotate, and the drilling and grinding rotary structure 3 is subjected to torque force of the positioning base 6 in the rotating process so as to linearly move;
And the displacement structure is used for moving the workpiece to be drilled to a drilling or hole grinding station.
The device is provided with a group of displacement structures (not shown) which are used for pushing a tool to be drilled to a drilling or hole grinding station to perform drilling or hole grinding work, and the displacement structures are of the prior art, so that redundant description is omitted;
In the device, the drill bit 7 and the grinding block 8 with the same size are arranged in the drilling and grinding rotary structure 3, and as shown in fig. 1, the number of the drilling and grinding rotary structure 3 is two, the two groups of the drilling and grinding rotary structures 3 are symmetrically arranged about the vertical central surface of the driving structure 4, and the drill bit 7 and the grinding block 8 are respectively arranged at the free ends of the two groups of the drilling and grinding mounting parts 33, so that two actions of drilling and grinding can be realized;
Further, the driving structure 4 comprises a central rotating rod 41 and a driving turbine 42 fixed on the surface of the central rotating rod 41, the surface of the central rotating rod 41 is rotatably connected with the stepped workbench 2, a base 1 is welded on the lower surface of the stepped workbench 2, one end of the central rotating rod 41 penetrating through the stepped workbench 2 is provided with a group of motors, the model number of each motor is Y80m1-2, the motors serve as driving sources of the driving structure 4, the end parts of output shafts of the motors are fixed with the central rotating rod 41, the motors are used for driving the central rotating rod 41 to generate rotating action, and the driving turbine 42 keeps synchronous movement with the central rotating rod 41, wherein the base 1 is used for supporting the stepped workbench 2 and fixing the positions of the motors.
The first working mode is that, referring to fig. 3, when the motor-driven turbine 42 and the central rotating rod 41 generate rotation motion and move at the same speed and in the same direction, the motor-driven turbine 42 drives the worm 5 to be meshed with the motor-driven turbine, two groups of drilling and grinding rotating structures 3 symmetrical about the central plane of the driving structure 4 generate opposite-direction rotation motion and opposite-direction linear motion, a controller (not shown) is additionally arranged on the surface of the driving structure 4, the controller controls the rotation direction, the rotation speed and the rotation time of the motor, when the motor rotates positively, the motor-driven turbine 42 and the central rotating rod 41 generate rotation motion and move at the same speed and in the same direction, the motor-driven turbine 42 drives the worm 5 to be meshed with the motor-driven turbine, two groups of drilling and grinding rotating structures 3 symmetrical about the central plane of the driving structure 4 generate opposite-direction spiral motion and opposite-direction linear motion, and the extending ends of the two groups of drilling and grinding rotating structures 3 can change working modes according to different installation positions of the drill bit 7 and the grinding block 8;
if the extending ends of the two groups of drilling and grinding rotary structures 3 are respectively provided with a drill bit 7 and a grinding block 8, when the controller controls the motor to rotate positively, the motor drives the turbine 42 and the central rotary rod 41 to generate rotary motion and move in the same speed and the same direction, the motor drives the turbine 42 to drive the worm 5 to be meshed with the motor, the two groups of drilling and grinding rotary structures 3 symmetrical about the central plane of the driving structure 4 perform spiral motion in opposite directions and linear motion in opposite directions, the extending ends of the two groups of drilling and grinding rotary structures 3 are divided into a group of drill bits 7 and a group of grinding blocks 8, drilling and hole grinding work are respectively performed on the two groups of workpieces and synchronously performed, the controller controls the motor to stop, after the displacement structure pushes the punched workpiece to a hole grinding station, the controller controls the motor to rotate reversely, the extending ends of the drilling and grinding rotary structures 3 retract gradually, and extend out from the other end of the drilling and grinding rotary structures 3, and the extending ends of the drilling and grinding rotary structures 3 continuously perform hole grinding work on the workpiece at the moment, so that the drilling and grinding integrated setting of different workpieces and the functions of the same workpiece are realized;
If two sets of drill bits 7 are installed at the extending ends of the two sets of drilling and grinding rotary structures 3, two sets of grinding blocks 8 are installed at the retracting ends of the drilling and grinding rotary structures 3, when the controller controls the motor to rotate positively, the motor drives the turbine 42 and the central rotary rod 41 to generate rotary motion and move at the same speed and in the same direction, the motor drives the turbine 42 to drive the worm 5 to be meshed with the worm, the two sets of drilling and grinding rotary structures 3 symmetrical about the central plane of the driving structure 4 perform spiral motion in opposite directions and linear motion in opposite directions, the extending ends of the two sets of drilling and grinding rotary structures 3 are two sets of drill bits 7, the two sets of drill bits 7 synchronously perform drilling procedures on the two sets of workpieces, the controller controls the motor to stop, the displacement structure pushes the punched workpieces to a hole grinding station, the controller controls the motor to rotate reversely, the extending ends of the drilling and grinding rotary structures 3 extend out at the other end of the drilling and grinding rotary structures 3, and the extending ends of the drilling and grinding rotary structures 3 continuously perform hole grinding work on the two sets of workpieces at the same time, so that the pre-drilling and post grinding procedures of the same workpieces are realized.
Example two
Referring to fig. 1-4, at least three groups of grooves are formed in the bottom end cylinder surface of the central rotating rod 41, a synchronous belt 10 is stretched in the grooves, three groups of grooves can be stretched with three groups of synchronous belts, linkage of a plurality of integrated drilling and polishing devices is realized from different directions respectively through the traction action of the synchronous belt 10, a plurality of driving sources are not needed, energy is saved, multi-step linkage can be realized by arranging one driving source, the motion synchronism of a plurality of drilling and polishing rotating structures 3 is ensured, energy is saved, and the mechanism is simplified;
The work mode III is that a workpiece is arranged between two integrated drilling and polishing devices, wherein the two integrated drilling and polishing devices are positioned on the same axis, the opposite ends of the two integrated drilling and polishing devices are respectively provided with a drill bit 7 and a grinding block 8, the driving structure 4 positioned in the two integrated drilling and polishing devices is driven by the synchronous belt 10 to rotate, the rotation directions of the two driving structures 4 are consistent, and the movement directions of the two sets of drilling and polishing rotating structures 3 close to the arrow direction are the same with reference to FIG. 4, namely, after the drill bit 7 performs drilling work on the workpiece, the grinding block 8 performs grinding work on the workpiece, and drilling and polishing integrated work is realized;
When the motor is controlled to rotate positively by the controller, the motor drives the turbine 42 and the central rotating rod 41 to generate rotation motions at the same speed and in the same direction, the motor drives the turbine 42 to drive the worm 5 to be meshed with the motor, the two groups of drilling and grinding rotating structures 3 symmetrical about the central plane of the driving structure 4 perform spiral motions in opposite directions and linear motions in opposite directions, the two groups of drilling and grinding rotating structures 3 positioned on the same axis are consistent in extending directions under the traction of the synchronous belt 10, the extending ends of the two groups of drilling and grinding rotating structures 3 positioned on the same axis are respectively provided with a group of drill bits 7 and a group of grinding blocks 8, the drill bits 7 extend forwards to punch workpieces, the punching process is finished, the controller controls the motor to stop, the positions of the workpieces are unchanged, the controller controls the motor to reverse rotation, the two groups of drilling and grinding rotating structures 3 positioned on the same axis shrink backwards and have consistent directions, the two groups of drilling and grinding rotating structures 3 far away from the arrow direction are opposite to the two groups of drilling and grinding rotating structures 3 positioned near the arrow direction, the process of drilling and grinding processes of the workpieces are performed on the same workpieces, but the process of firstly drilling and then grinding the workpieces are performed on the workpieces, and the positions of the drill bits 7 and the grinding blocks 8 are required to be installed.
The device only draws the placement of two groups of integrated drilling and polishing devices, can realize the production line production for the first, second and third working modes, increases the manufacturing quantity of workpieces, and improves the drilling and polishing efficiency of the workpieces.
In the device, the single workpiece can be independently perforated and independently ground, and the pre-drilling and post-grinding integrated work of the single workpiece can be also realized, so that the single use mode and single function of the integrated drilling and grinding device are avoided, and the application range of the integrated drilling and grinding device is enlarged;
In the device, the drilling or hole grinding actions are realized by pushing the workpieces to different stations, wherein the drilling or hole grinding actions can be synchronously realized by the multiple workpieces, the drilling or hole grinding efficiency is improved, the working time is saved, the resources are saved, and the purpose of green and environment-friendly is realized.
Example III
The base 1 comprises a supporting disc 11 fixed on a plane and four fixing rods 12 vertically inserted into the supporting disc 11, and the four groups of fixing rods 12 are distributed on the surface of the supporting disc 11 at equal intervals.
The four groups of fixing rods 12 are distributed on the surface of the supporting disc 11 at equal intervals, so that the synchronous belt 10 can conveniently pass through, and when the assembly line work is realized, the synchronous belt 10 needs to drive a plurality of integrated drilling and polishing devices;
In some embodiments, the middle connecting part 31 is a wedge-shaped rod, the inside of the worm 5 is vertically through, the cross section shape of the cavity of the worm 5 is consistent with the appearance shape of the wedge-shaped rod, and when the worm 5 receives resistance to generate autorotation, the middle connecting part 31 matched with the cavity moves synchronously; the top surface of the stepped workbench 2 is provided with at least two groups of positioning structures 9, one group of drilling and grinding rotating structures 3 is correspondingly provided with two groups of positioning structures 9, and the positioning structures 9 are fixed at two ends of the worm 5 according to the increase of the number of the drilling and grinding rotating structures 3 in multiple; the positioning structure 9 comprises a positioning substrate 91 and an inner bearing 93, the positioning substrate 91 is rotatably arranged on the surface of the inner bearing 93, the inner bearing 93 comprises a circular positioning plate 931 and four groups of extending clamping plates 932 which are fixed on the end face of the circular positioning plate 931 at equal intervals, the cross sections of the extending clamping plates 932 are arranged in an 'F' -shaped mode, a plurality of small balls 933 are embedded between two groups of plates parallel to the inner bearing 93 of the extending clamping plates 932, the end faces of the plates embedded with the small balls 933 are opposite, a rolling groove 92 for the small balls 933 to roll is formed on the surface of the positioning substrate 91, the diameter of an inner ring surrounded by the four groups of extending clamping plates 932 is larger than the outer diameter of the middle connecting part 31, in order that the extending clamping plates 932 do not hinder the front-back linear movement of the middle connecting part 31, when the worm wheel 42 is driven to rotate, the worm 5 is meshed with the driving worm wheel 42 to be in a rotary movement state, two groups of positioning structures 9 positioned at two ends of the worm 5 are fixed on the upper surface of the stepped worktable 2, the position of the worm 5 is limited, the position of the worm 5 is fixed, a wedge groove is formed inside the positioning structure 9, the positioning structure 9 is arranged on the inner surface of the positioning structure, the outer surface of the worm 5 is in a position of the stepped worktable 2, the outer surface of the worm 5 is driven by the worm 5, the outer surface of the worm joint 31, the middle connecting part 31 and the inner bearing 93 are synchronous, move in the same direction and at the same speed, the inner bearing 93 rotates with the surface of the positioning substrate 91, the small balls 933 roll in the groove body of the rolling groove 92, the positioning structure 9 is used for supporting the drilling and grinding rotary structure 3 and limiting the position of the worm 5, the meshing range of the driving structure 4 and the worm 5 is controlled, and the transmission precision of the driving structure 4 and the worm 5 is ensured.
Example IV
Referring to fig. 3 to 6, a threaded key groove is formed in the outer peripheral surface of the rotation driving portion 32.
The positioning base 6 is fixed on the lower layer of the stepped workbench 2, the drilling and grinding rotating structure 3 reciprocates back and forth relative to the positioning base 6, the positioning base 6 is provided with a through hole along the axis direction of the rotary driving part 32, a thread key 61 matched with the surface of the rotary driving part 32 is arranged at the position of the through hole inside the positioning base 6, when the drilling and grinding rotating structure 3 rotates, torque force generated between the rotary driving part 32 and the positioning base 6 drives the rotary driving part 32 to move forwards or backwards linearly, namely, the rotating direction of the driving turbine 42 is controlled, the rotating direction of the drilling and grinding rotating structure 3 is changed, and further, the forward and backward linear motion of the drilling and grinding rotating structure 3 is controlled, so that forward and backward work is realized, and the drilling and grinding actions of workpieces on a station are realized.
The specific working process is described according to the installation mode of the drill bit 7 and the grinding block 8 in fig. 6, when the controller controls the motor to rotate positively, the motor-driven turbine 42 and the central rotary rod 41 generate rotary motion and move in the same speed and the same direction, the motor-driven turbine 42 drives the worm 5 to be meshed with the worm 5, the worm 5 keeps unchanged under the clamping of the two groups of positioning structures 9, the worm 5 rotates, the worm 5 drives the drilling and grinding rotary structures 3 to synchronously rotate, the rotary driving part 32 in the drilling and grinding rotary structures 3 receives the torque force of the positioning base 6 to advance towards the drill bit 7, the drill bit 7 punches a workpiece, when the controller controls the motor to stop and reversely rotate, the motor-driven turbine 42 drives the worm 5 to be meshed with the motor-driven turbine, the worm 5 keeps unchanged under the clamping of the two groups of positioning structures 9, the worm 5 rotates reversely, the worm 5 drives the drilling and grinding rotary structures 3 synchronously rotate, the rotary driving part 32 in the drilling and grinding rotary structures 3 receives the torque force of the positioning base 6 to advance towards the grinding block 8, and the drilling and grinding hole drilling and grinding device can simultaneously realize the two groups of drilling and grinding hole and hole drilling and hole and rotation through the two groups of positioning structures 3.
Example five
A threaded hole for installing the drill bit 7 is formed in the drilling and grinding installation part 33, and the drill bit 7 or the grinding block 8 is installed in the threaded hole in a threaded connection mode;
the spiral installation direction of the drill bit 7 is consistent with the rotation direction of the corresponding drilling and grinding rotary structure 3.
The drill bit 7 or the grinding block 8 in the device is arranged in the drill and grinding installation part 33 in a threaded connection mode, and the connection between the drill bit 7 or the grinding block 8 and the drill and grinding installation part 33 is not reinforced by using a locating pin or a locating bolt, namely, the spiral installation direction of the drill bit 7 is required to be consistent with the rotation direction of the corresponding drill and grinding rotation structure 3, when drilling, a force opposite to the rotation direction of the drill hole or the grinding hole is generated between the drill bit 7 and a workpiece, and the torque force promotes the drill bit 7 or the grinding block 8 to automatically rotate in the drill and grinding installation part 33 so as to lead the drill bit 7 or the grinding block 8 to drop from the inside of the drill and grinding installation part 33;
the installation mode only needs to ensure that the spiral installation direction of the drill bit 7 is consistent with the rotation direction of the corresponding drilling and grinding rotary structure 3, so that the installation of the drill bit 7 or the grinding block 8 is stable, excessive reinforcing framework is not needed, the convenient and fast drill bit 7 or the grinding block 8 for workers is convenient, the installation difficulty of the integrated drilling and grinding device is reduced, and the practicability of the integrated drilling and grinding device is improved.
While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (7)
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| CN211991788U (en) * | 2020-04-14 | 2020-11-24 | 盛敏 | Drilling device for machining forged ball valve end cover |
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| US8287214B2 (en) * | 2006-03-13 | 2012-10-16 | Honda Motor Co., Ltd. | Tool head, machine tool and boring method of bore of cylinder block using the machine tool |
| KR101301059B1 (en) * | 2012-11-30 | 2013-08-28 | 주식회사 인스턴 | Rotating unit for drill bit spindle |
| CN107350812B (en) * | 2017-06-28 | 2019-01-01 | 安徽江淮车轮有限公司 | A kind of compact single-power wheel hub end housing drilling deburring integrated device |
| CN207696683U (en) * | 2017-12-13 | 2018-08-07 | 洛阳高新技术开发区华海电器有限公司 | Drilled hole polishing all-in-one machine |
| CN109940189A (en) * | 2017-12-20 | 2019-06-28 | 邓伟 | Drilling equipment is used in a kind of safe protection engineering easy to use construction |
| CN215999443U (en) * | 2021-10-25 | 2022-03-11 | 米克精机(嘉兴)有限公司 | Vertical machining center with positioning function |
| CN216541867U (en) * | 2021-12-31 | 2022-05-17 | 深圳市佳阳世纪科技有限公司 | Drill bit structure improvement device for PCB drilling |
| CN116079416B (en) * | 2023-01-16 | 2023-09-01 | 杭州同创顶立机械有限公司 | Drilling and internal grinding integrated machining device for oil hole of steel plate pin shaft |
| CN219581717U (en) * | 2023-02-21 | 2023-08-25 | 鹿晓龙 | Drilling equipment for elevator guide rail |
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