Integrated drilling and grinding device

Abstract

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

[0001] The invention relates to the technical field of mechanical processing, in particular to an integrated drilling and grinding device. Background Art

[0002] With the continuous advancement of coal mining technology, the performance and efficiency requirements of various equipment are getting higher and higher. Drilling and grinding, as one of the important links in coal mining equipment maintenance, is of great significance to ensure the normal operation of equipment and improve work efficiency.

[0003] Traditional drilling and grinding methods are usually performed manually, which is not only inefficient but also easy to cause damage to the equipment. In recent years, with the development of automation and intelligent technology, some advanced drilling and grinding equipment and technologies have gradually been applied to the field of coal mine equipment maintenance.

[0004] The existing Chinese patent with reference publication number CN113172431A discloses a dual-purpose drilling and grinding device for precision machinery manufacturing, which aims to enable drilling and grinding operations to be performed on the same device by arranging a grinding block and a drill bit in the drilling and grinding mechanism, avoiding the sequential use of the grinding equipment and the drilling equipment, and improving the overall work efficiency. Although the existing equipment already has a drilling machine and a grinder, it is impossible to achieve integrated drilling and grinding. However, if the grinding block and the drill bit are set on one mechanism to achieve integrated drilling and grinding, it is difficult to achieve a single drilling process or a grinding process, or it is necessary to frequently disassemble the grinding block and the drill bit to achieve it, which is often not intelligent enough and the operation is too complicated.

[0005] Traditional drilling and grinding processes usually involve a variety of equipment, such as drilling rigs, grinders, etc. Most of these equipment are operated independently and require frequent tool replacement, resulting in relatively low operating efficiency. In addition, the equipment is difficult to move in the narrow space of a coal mine, increasing labor intensity and safety risks. A drilling machine uses a motor to drive the drill bit to rotate, thereby achieving drilling work. When drilling, different types of drill bits need to be replaced when processing holes of different diameters, so that the required hole diameters can be processed; a grinder uses a grinding disc to grind the workpiece on the positioning fixture, or the grinding disc rotates while the positioning fixture does not rotate, and the workpiece on the positioning fixture is grinded by the grinding disc.

[0006] With the improvement of mechanization and automation in coal mines, the demand for efficient and safe drilling and grinding equipment is growing. The research and development of integrated drilling and grinding devices aims to integrate drilling and grinding functions into one device, so as to improve operation efficiency, reduce equipment switching time, reduce labor intensity of workers, and improve operation safety while reducing production costs. Summary of the invention

[0007] Based on the above problems existing in the prior art, the purpose of the embodiments of the present invention is to provide an integrated drilling and grinding device, which is convenient for realizing the integration of drilling and grinding, and can realize the drilling and grinding processes separately.

[0008] The technical solution adopted by the present invention to solve the technical problem is: an integrated drilling and grinding device, comprising: a drill bit and a grinding block of the same size, the grinding block grinding the through hole or countersunk hole drilled by the drill bit through a rotational motion;

[0009] A drilling and grinding rotating structure, wherein the drill bit and the grinding block having the same size are respectively installed at both ends of the drilling and grinding rotating structure, and the drilling and grinding rotating structure comprises a middle connecting part, a rotating driving part and a drilling and grinding mounting part, wherein the middle connecting part, the rotating driving part and the drilling and grinding mounting 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 rotating driving part;

[0010] A driving structure is meshingly engaged with the surface of the worm, and the driving structure causes the worm to rotate through rotational motion, thereby driving the drilling and grinding rotating structure to rotate. During the rotation process, the drilling and grinding rotating structure is subjected to the torque force of the positioning base and thus moves linearly;

[0011] The displacement structure is used to move the workpiece that needs to be drilled to the drilling or grinding station.

[0012] Furthermore, the driving structure includes a central rotating rod and a driving turbine fixed to the surface of the central rotating rod, the surface of the central rotating rod is rotatably connected to a stepped workbench, and a base is welded on the lower surface of the stepped workbench;

[0013] One end of the central rotating rod passing through the stepped workbench is provided with a group of motors, and the output shaft end of the motor is fixed to the central rotating rod.

[0014] Furthermore, the base includes 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.

[0015] Furthermore, the middle connecting part is a wedge-shaped rod, the interior of the worm is vertically through-through, and the cross-sectional shape of the chamber of the worm is consistent with the appearance shape of the wedge-shaped rod;

[0016] A thread keyway is provided on the outer peripheral surface of the rotary drive portion.

[0017] Furthermore, the positioning base is fixed on the lower step of the stepped workbench, and the drilling and grinding rotating structure reciprocates back and forth relative to the positioning base;

[0018] The positioning base is provided with a through hole along the axial direction of the rotary drive part, and a threaded key matched with the surface of the rotary drive part is arranged at the position of the through hole inside the positioning base.

[0019] Furthermore, at least two groups of positioning structures are arranged on the top surface of the stepped workbench, and the positioning structures are fixed at both ends of the worm;

[0020] The positioning structure includes a positioning substrate and an inner bearing, and the positioning substrate is rotatably mounted on the surface of the inner bearing.

[0021] Furthermore, the inner bearing comprises a circular positioning plate and four groups of extension clamps fixed at equal intervals on the end surface of the circular positioning plate, the cross section of the extension clamp is arranged in an "F" shape, a plurality of small balls are embedded between the two groups of plates parallel to the inner bearing, and the end surfaces of the plates embedded with the plurality of small balls are opposite;

[0022] The surface of the positioning substrate is provided with rolling grooves for small balls to roll.

[0023] Furthermore, a wedge-shaped groove is provided inside the positioning structure, and the positioning structure is fitted with the outer surface of the middle connecting part;

[0024] The inner circle diameter formed by the four groups of extended clamping plates is larger than the outer diameter of the middle connecting part.

[0025] Furthermore, a threaded hole for installing a drill bit is provided inside the drilling and grinding installation portion, and the drill bit or grinding block is installed in the threaded hole by means of a threaded connection;

[0026] The spiral installation direction of the drill bit is consistent with the rotation direction of the corresponding drilling and grinding rotating structure.

[0027] Furthermore, at least three groups of grooves are provided on the surface of the cylinder at the bottom end of the central rotating rod, and a synchronous belt is stretched inside the grooves.

[0028] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0029] The device is provided with two sets of drilling and grinding rotating structures symmetrical about the center plane of the driving structure. The driving structure drives the two sets of drilling and grinding rotating structures to rotate, and the positioning base is assisted to make the two sets of drilling and grinding rotating structures rotate and move forward and backward in a straight line at the same time. One set of drilling and grinding rotating structures can realize the drilling and grinding actions, and the drilling and grinding actions do not interfere with each other and are independent of each other.

[0030] The device is provided with two sets of drilling and grinding rotating structures symmetrical about the center plane of the driving structure, changes the same installation position of the drill bit and the grinding block, and drives the two sets of drilling and grinding rotating structures to rotate through one set of driving structures. The two sets of drilling and grinding rotating structures can realize two drilling or two grinding or drilling and grinding synchronously in the rotating linear action, thereby increasing the number of workpieces to be drilled or ground, and improving the working efficiency of drilling or grinding.

[0031] The device places multiple sets of integrated drilling and grinding devices at different positions, realizes synchronous operation of the driving structure in the integrated drilling and grinding devices through a synchronous belt, and realizes synchronous operation of multiple sets of integrated drilling and grinding devices through a set of driving sources, thereby saving resources and realizing the concept of green environmental protection. Through the reciprocating linear motion of the integrated drilling and grinding device, the integrated drilling and grinding work is realized for the same workpiece at the same station, and the integrated drilling and grinding work can be realized at multiple stations at the same time, greatly improving the drilling and grinding efficiency;

[0032] 4. The device is provided with a positioning base and a positioning structure for supporting the drilling and grinding rotating structure, thereby minimizing the friction of the drilling and grinding rotating structure in rotation and linear motion, thereby achieving smooth operation of the drilling and grinding rotating structure. The positioning structure causes the drilling and grinding rotating structure to move forward and backward linearly through the torque force generated by the rotating drive unit, without the need for multiple driving force devices, thereby simplifying the overall structure of the device and reducing the equipment cost of the integrated drilling and grinding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0034] Figure 1 It is a schematic linkage diagram of a plurality of integrated drilling and grinding devices in the present invention;

[0035] Figure 2 The present invention Figure 1 A magnified schematic diagram of the structure at center A;

[0036] Figure 3 It is a three-dimensional schematic diagram of an integrated drilling and grinding device of the present invention;

[0037] Figure 4 It is a three-dimensional schematic diagram of the linkage of multiple integrated drilling and grinding devices in the present invention. Figure 1 ;

[0038] Figure 5 It is a three-dimensional schematic diagram of the linkage of multiple integrated drilling and grinding devices in the present invention. Figure 2 ;

[0039] Figure 6 It is a three-dimensional schematic diagram of the driving drilling and grinding work of the drilling and grinding rotating structure of the present invention;

[0040] Figure 7 It is an exploded schematic diagram of the positioning base and the rotating drive unit in the present invention;

[0041] Figure 8 It is a three-dimensional exploded structural schematic diagram of the positioning structure in the present invention.

[0042] Reference numerals:

[0043] 1. Base; 11. Support disc; 12. Fixed rod; 2. Stepped workbench; 3. Drilling and grinding rotating structure; 31. Middle connecting part; 32. Rotating drive part; 33. Drilling and grinding installation part; 4. Driving structure; 41. Center rotating rod; 42. Driving turbine; 5. Worm; 6. Positioning base; 61. Threaded key; 7. Drill bit; 8. Grinding block; 9. Positioning structure; 91. Positioning base plate; 92. Rolling groove; 93. Inner bearing; 931. Circular positioning; 932. Extension clamping plate; 933. Small ball; 10. Synchronous belt. DETAILED DESCRIPTION

[0044] The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, which only illustrates the basic structure of the present invention in a schematic manner, and therefore only shows the components related to the present invention.

[0045] Embodiment 1

[0046] See also Figure 1-Figure 8 , an integrated drilling and grinding device, comprising: a drill bit 7 and a grinding block 8 of the same size, the grinding block 8 grinding the through hole or countersunk hole drilled by the drill bit 7 through a rotational motion;

[0047] The drilling and grinding rotating structure 3, the drill bit 7 and the grinding block 8 of the same size are respectively installed at the two ends of the drilling and grinding rotating structure 3, the drilling and grinding rotating structure 3 includes a middle connecting part 31, a rotating driving part 32 and a drilling and grinding mounting part 33, the middle connecting part 31, the rotating driving part 32 and the drilling and grinding mounting part 33 are fixedly connected, the drilling and grinding rotating structure 3 is a symmetrical structure and the connection method is the drilling and grinding mounting part 33, the rotating driving part 32, the middle connecting part 31, the rotating driving part 32 and the drilling and grinding mounting part 33 in sequence, the drill bit 7 and the grinding block 8 of the same size are connected to the inside of the two sets of drilling and grinding mounting parts 33 by threads, the surface of the middle connecting part 31 is sleeved with a worm 5, the inside of the worm 5 is provided with a through groove for the sleeve of the middle connecting part 31, and the surface of the rotating driving part 32 is sleeved with a positioning base 6;

[0048] The driving structure 4 is meshingly engaged with the surface of the worm 5. The driving structure 4 causes the worm 5 to rotate through rotational motion, thereby driving the drilling and grinding rotating structure 3 to rotate. During the rotation process, the drilling and grinding rotating structure 3 is subjected to the torque force of the positioning base 6 and thus moves linearly;

[0049] The displacement structure is used to move the workpiece that needs to be drilled to the drilling or grinding station.

[0050] The device is provided with a set of displacement structures (not shown), which are used to push the tool to be drilled to the drilling or grinding station to perform the drilling or grinding work. The displacement structure is a prior art, so it will not be described in detail.

[0051] In this device, a drill bit 7 and a grinding block 8 having the same size are installed in the drilling and grinding rotating structure 3. Figure 1 As shown, there are two groups of drilling and grinding rotating structures 3, and the two groups of drilling and grinding rotating structures 3 are symmetrically arranged about the vertical center plane of the driving structure 4. The drill bit 7 and the grinding block 8 are respectively installed on the free ends of the two groups of drilling and grinding mounting parts 33, so that the two actions of drilling and grinding can be realized;

[0052] Furthermore, the driving structure 4 includes 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 to the stepped workbench 2, and a base 1 is welded on the lower surface of the stepped workbench 2. A group of motors are provided at one end of the central rotating rod 41 passing through the stepped workbench 2. The model of the motor is Y80m1-2. The motor serves as a driving source of the driving structure 4. The output shaft end of the motor is fixed to the central rotating rod 41. The motor is used to drive the central rotating rod 41 to rotate, and the driving turbine 42 maintains synchronous movement with the central rotating rod 41. The base 1 is used to support the stepped workbench 2 and fix the position of the motor.

[0053] Working method 1: Reference Figure 3 As shown, when the motor drives the turbine 42 and the central rotating rod 41 to rotate and move at the same speed and in the same direction, the motor drives the turbine 42 to drive the worm 5 to mesh with it, and the two groups of drilling and grinding rotating structures 3 symmetrical about the central plane of the driving structure 4 are rotating in opposite directions and linear motions in opposite directions. A controller (not shown) is installed on the surface of the driving structure 4, and the controller controls the rotation direction, speed and rotation time of the motor. When the motor rotates forward, the motor drives the turbine 42 and the central rotating rod 41 to rotate and move at the same speed and in the same direction, and the motor drives the turbine 42 to drive the worm 5 to mesh with it. The two groups of drilling and grinding rotating structures 3 symmetrical about the central plane of the driving structure 4 are spirally moving in opposite directions and linearly moving in opposite directions. The extended ends of the two groups of drilling and grinding rotating structures 3 can change the working mode according to the different installation positions of the drill bit 7 and the grinding block 8.

[0054] Working mode 2: If the drill bit 7 and the grinding block 8 are respectively installed at the protruding ends of the two groups of drilling and grinding rotating structures 3, when the controller controls the motor to rotate forward, the motor drives the turbine 42 and the central rotating rod 41 to produce a rotational motion and move at the same speed and in the same direction, and the motor drives the turbine 42 to drive the worm 5 to mesh with it. The two groups of drilling and grinding rotating structures 3 symmetrical about the central plane of the driving structure 4 are spiral motions and linear motions in opposite directions. The protruding ends of the two groups of drilling and grinding rotating structures 3 are divided into a group of drill bits 7 and a group of grinding blocks 8. The two groups of workpieces are drilled and ground respectively and synchronously. The controller controls the motor to stop, and after the displacement structure pushes the workpiece that has been drilled to the grinding station, the controller controls the motor to reverse, and the protruding end of the drilling and grinding rotating structure 3 gradually retracts, and the other end of the drilling and grinding rotating structure 3 extends out. At this moment, the protruding end of the drilling and grinding rotating structure 3 continues to grind the workpiece, realizing the integrated setting of drilling and grinding of different workpieces and the function of drilling first and then grinding the same workpiece;

[0055] If two groups of drill bits 7 are installed at the protruding ends of the two groups of drilling and grinding rotating structures 3, and two groups of grinding blocks 8 are installed at the retracted ends of the drilling and grinding rotating structures 3, when the controller controls the motor to rotate forward, the motor drives the turbine 42 and the central rotating rod 41 to produce a rotational motion and move at the same speed and in the same direction, and the motor drives the turbine 42 to drive the worm 5 to engage with it, and the two groups of drilling and grinding rotating structures 3 symmetrical about the central plane of the driving structure 4 show spiral motions and linear motions in opposite directions. The protruding ends of the two groups of drilling and grinding rotating structures 3 are two groups of drill bits 7, and the two groups of drill bits 7 synchronously perform the drilling process for the two groups of workpieces. The controller controls the motor to stop, and after the displacement structure pushes the workpieces that have been drilled to the grinding station, the controller controls the motor to reverse, and the protruding end of the drilling and grinding rotating structure 3 gradually retracts, and the other end of the drilling and grinding rotating structure 3 extends out. At this moment, the protruding end of the drilling and grinding rotating structure 3 grinds holes on the workpieces, and the two groups of protruding ends of the drilling and grinding rotating structure 3 continue to grind holes on both groups of workpieces, thereby realizing the drilling-first-then-grinding process of the same workpiece.

[0056] Embodiment 2

[0057] Reference Figure 1-Figure 4 As shown, at least three groups of grooves are provided on the bottom cylindrical surface of the central rotating rod 41, and a synchronous belt 10 is stretched inside the grooves. The three groups of grooves can be stretched with three groups of synchronous belts. Through the pulling action of the synchronous belt 10, the linkage of multiple integrated drilling and grinding devices is realized from different directions, and there is no need to set up multiple driving sources, which saves energy. At the same time, one driving source can realize multi-step linkage, which ensures the movement synchronization of multiple drilling and grinding rotating structures 3, saves energy, and simplifies the mechanism.

[0058] Working method three: reference Figure 1As shown, the workpiece is installed between two integrated drilling and grinding devices, wherein the two integrated drilling and grinding devices are located on the same axis and the opposite ends of the two sets of integrated drilling and grinding devices are respectively a drill bit 7 and a grinding block 8. The driving structure 4 located in the two sets of integrated drilling and grinding devices is driven by the synchronous belt 10 to rotate, and the rotation directions of the two sets of driving structures 4 are consistent. Figure 4 The movement directions of the two groups of drilling and grinding rotating structures 3 near the arrow direction are the same, that is, after the drill bit 7 performs the drilling work on the workpiece, the grinding block 8 performs the grinding work on the workpiece, thus realizing the integrated work of drilling and grinding;

[0059] The specific process is as follows: when the controller controls the motor to rotate forward, the motor drives the turbine 42 and the central rotating rod 41 to generate a rotational motion and move at the same speed and in the same direction. The motor drives the turbine 42 to drive the worm 5 to mesh with it. The two groups of drilling and grinding rotating structures 3 symmetrical about the central plane of the driving structure 4 show spiral motions in opposite directions and linear motions in opposite directions. Under the traction of the synchronous belt 10, the two groups of drilling and grinding rotating structures 3 located on the same axis have the same forward extension direction. The protruding ends of the two groups of drilling and grinding rotating structures 3 located on the same axis are respectively a group of drill bits 7 and a group of grinding blocks 8. The drill bit 7 extends forward to drill holes in the workpiece, and the drilling process is completed. The controller controls the motor to stop, and the position of the workpiece remains unchanged. The controller controls the motor to reverse, and the two groups of drilling and grinding rotating structures 3 located on the same axis retract in the same direction. The grinding block 8 performs a hole grinding action on the workpiece. The movement of the two groups of drilling and grinding rotating structures 3 away from the arrow direction is opposite to the operation of the two groups of drilling and grinding rotating structures 3 close to the arrow direction. The same workpiece is implemented with the drilling first and grinding later processes, but attention should be paid to the installation positions of the drill bit 7 and the grinding block 8.

[0060] This device only shows the placement of two sets of integrated drilling and grinding devices, which can realize assembly line production for working modes one, two and three, increase the manufacturing volume of workpieces, and improve the drilling and grinding efficiency of workpieces.

[0061] In this device, a single workpiece can be drilled and ground separately, or a single workpiece can be drilled first and then ground, avoiding the single use mode and single function of the integrated drilling and grinding device, and expanding the application scope of the integrated drilling and grinding device;

[0062] In this device, for multiple workpieces, drilling or grinding actions are achieved by pushing the workpieces to different workstations, wherein multiple workpieces can be drilled or ground simultaneously, thereby improving the efficiency of drilling or grinding, saving working time, saving resources, and achieving green environmental protection goals.

[0063] Embodiment 3

[0064] The base 1 comprises a supporting disc 11 fixed on a plane and four fixing rods 12 vertically inserted into the supporting disc 11 . The four groups of fixing rods 12 are distributed on the surface of the supporting disc 11 at equal intervals.

[0065] The four sets of fixing rods 12 are evenly spaced and distributed on the surface of the supporting disc 11 to facilitate the movement of the synchronous belt 10. When the assembly line is realized, the synchronous belt 10 needs to drive multiple integrated drilling and grinding devices;

[0066] In some embodiments, the middle connecting portion 31 is a wedge-shaped rod, and the interior of the worm 5 is through-set from top to bottom. The cross-sectional shape of the chamber of the worm 5 is consistent with the appearance shape of the wedge-shaped rod. When the worm 5 is subjected to resistance and produces a self-rotation movement, the middle connecting portion 31 adapted thereto moves synchronously; at least two groups of positioning structures 9 are arranged on the top surface of the stepped workbench 2, and two groups of positioning structures 9 are arranged corresponding to one group of drilling and grinding rotating structures 3. The number of drilling and grinding rotating structures 3 is increased exponentially, and the positioning structures 9 are fixed to the worm 5 at both ends; the positioning structure 9 includes a positioning substrate 91 and an inner bearing 93, the positioning substrate 91 is rotatably mounted on the surface of the inner bearing 93, the inner bearing 93 includes a circular positioning plate 931 and four groups of extension clamps 932 fixed at equal intervals on the end surface of the circular positioning plate 931, the cross section of the extension clamp 932 is set in an "F" shape, and a plurality of small balls 933 are embedded between the two groups of plates parallel to the extension clamp 932 and the inner bearing 93, and the end surfaces of the plates inlaid with the plurality of small balls 933 are opposite; the positioning substrate 91 The surface of the worm 5 is provided with a rolling groove 92 for rolling small balls 933. The inner circle diameter surrounded by the four groups of extended clamping plates 932 is larger than the outer diameter of the middle connecting part 31. In order to ensure that the extended clamping plates 932 do not hinder the front and rear linear motion of the middle connecting part 31, when the driving turbine 42 rotates, the worm 5 is meshed with the driving turbine 42 and is in a rotating motion state. The two groups of positioning structures 9 located at both ends of the worm 5 are fixed to the upper surface of the stepped workbench 2, thereby limiting the position of the worm 5. The worm 5 rotates but the position does not change; positioning A wedge-shaped groove is provided inside the structure 9, and the positioning structure 9 is in contact with the outer surface of the middle connecting part 31; driven by the worm 5, the middle connecting part 31 and the inner bearing 93 are in synchronous, equidirectional and equispeed motion, and the inner bearing 93 rotates with the surface of the positioning base plate 91, wherein the small ball 933 rolls in the groove body of the rolling groove 92. The positioning structure 9 is used to support the drilling and grinding rotating structure 3 and limit the position of the worm 5, control the meshing range of the driving structure 4 and the worm 5, and ensure the transmission accuracy of the driving structure 4 and the worm 5.

[0067] Embodiment 4

[0068] Refer to Figure 3-Figure 6 As shown, a thread key groove is formed on the outer peripheral surface of the rotary drive portion 32 .

[0069] The positioning base 6 is fixed on the lower step of the stepped workbench 2, and 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 axial direction of the rotating drive part 32, and a threaded key 61 adapted to the surface of the rotating drive part 32 is arranged at the position of the through hole inside the positioning base 6; when the drilling and grinding rotating structure 3 is in rotational motion, the torque force generated between the rotating drive part 32 and the positioning base 6 causes the rotating drive part 32 to move forward or backward in a straight line, that is, controls the rotation direction of the driving turbine 42, changes the rotation direction of the drilling and grinding rotating structure 3, and then controls the forward and backward linear motion of the drilling and grinding rotating structure 3, realizes the forward and backward work, and drills and grinds the workpiece on the workstation.

[0070] The specific work process is as follows Figure 6 The installation method of the drill bit 7 and the grinding block 8 is described as follows: when the controller controls the motor to rotate forward, the motor drives the turbine 42 and the central rotating rod 41 to rotate and move at the same speed and in the same direction, and the motor drives the turbine 42 to drive the worm 5 to mesh with it. The motor drives the turbine 42 to drive the worm 5 to mesh with it. The worm 5 remains in position unchanged under the clamping of the two sets of positioning structures 9, and the worm 5 rotates, and the worm 5 drives the drilling and grinding rotating structure 3 to rotate synchronously. The rotating drive part 32 in the drilling and grinding rotating structure 3 is subjected to the torque force of the positioning base 6 and moves toward the drill bit 7, and the drill bit 7 drills a hole in the workpiece. When the controller controls the motor to stop and reverse, the motor drives the turbine 42 to drive the worm 5 and The motor drives the turbine 42 to drive the worm 5 to mesh with it. The worm 5 keeps its position unchanged under the clamping of the two sets of positioning structures 9, and the worm 5 rotates in the opposite direction. The worm 5 drives the drilling and grinding rotating structure 3 to rotate synchronously. The rotating drive part 32 in the drilling and grinding rotating structure 3 is subjected to the torque force of the positioning base 6 and moves toward the grinding block 8. The grinding block 8 grinds holes on the workpiece. The two sets of drilling and grinding rotating structures 3 are driven to rotate by the driving structure 4, and the positioning base 6 is used to assist the two sets of drilling and grinding rotating structures 3 to rotate and move back and forth in a straight line at the same time. The two actions of drilling and grinding can be realized through a set of driving devices. The purposes of drilling and grinding are achieved in steps, thereby improving the working efficiency of drilling or grinding.

[0071] Embodiment 5

[0072] A threaded hole for installing the drill bit 7 is provided inside the drilling and grinding installation part 33, and the drill bit 7 or the grinding block 8 is installed in the threaded hole by threaded connection;

[0073] The spiral installation direction of the drill bit 7 is consistent with the rotation direction of the corresponding drilling and grinding rotating structure 3.

[0074] The drill bit 7 or grinding block 8 in the present device is installed inside the drilling and grinding installation part 33 by means of threaded connection, and no positioning pin or positioning bolt is used to reinforce the connection between the drill bit 7 or grinding block 8 and the drilling and grinding installation part 33, that is, the spiral installation direction of the drill bit 7 is required to be consistent with the rotation direction of the corresponding drilling and grinding rotating structure 3. When drilling, a force opposite to the rotation direction of drilling or grinding is generated between the drill bit 7 and the workpiece, and this torque force causes the drill bit 7 or grinding block 8 to self-rotate inside the drilling and grinding installation part 33, causing the drill bit 7 or grinding block 8 to fall from the inside of the drilling and grinding installation part 33;

[0075] This installation method 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 rotating structure 3 to achieve a stable installation of the drill bit 7 or the grinding block 8. No excessive reinforcement structure is required, which is convenient for the staff to use the drill bit 7 or the grinding block 8, reduces the installation difficulty of the integrated drilling and grinding device, and improves the practicality of the integrated drilling and grinding device.

[0076] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the scope of the present invention through the above description. The technical scope of this invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An integrated drilling and grinding device, characterized in that: include: A drill bit (7) and a grinding block (8) having the same size, wherein the grinding block (8) grinds the through hole or countersunk hole drilled by the drill bit (7) through a rotational motion; A drilling and grinding rotating structure (3), wherein the number of the drilling and grinding rotating structures (3) is two groups, the drill bit (7) and the grinding block (8) having the same size are respectively mounted at two ends of the drilling and grinding rotating structure (3), the drilling and grinding rotating structure (3) comprises a middle connecting portion (31), a rotating driving portion (32) and a drilling and grinding mounting portion (33), the middle connecting portion (31), the rotating driving portion (32) and the drilling and grinding mounting portion (33) are fixedly connected, a worm (5) is sleeved on the surface of the middle connecting portion (31), and a positioning base (6) is sleeved on the surface of the rotating driving portion (32); The driving structure (4) is meshingly engaged with the surface of the worm (5). The driving structure (4) causes the worm (5) to rotate through rotational motion, thereby driving the drilling and grinding rotating structure (3) to rotate. During the rotation process, the drilling and grinding rotating structure (3) is subjected to the torque force of the positioning base (6) and thus moves linearly. The driving structure (4) includes a central rotating rod (41) and a driving worm wheel (42) fixed to the surface of the central rotating rod (41). The surface of the central rotating rod (41) is rotatably connected to a stepped workbench (2). A base (1) is welded on the lower surface of the stepped workbench (2); a group of motors are provided at one end of the central rotating rod (41) passing through the stepped workbench (2); the end of the output shaft of the motor is fixed to the central rotating rod (41); the motor is used to drive the central rotating rod (41) to generate a rotational motion, and drive the driving worm gear (42) to maintain synchronous movement with the central rotating rod (41); and 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; A displacement structure is used to move the workpiece to be drilled to the drilling or grinding station; The middle connecting portion (31) is a wedge-shaped rod, the interior of the worm (5) is vertically penetrated, and the cross-sectional shape of the chamber of the worm (5) is consistent with the appearance shape of the wedge-shaped rod; The outer peripheral surface of the rotary drive part (32) is provided with a thread keyway; The positioning base (6) is fixed on the lower step of the stepped workbench (2), and 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 axial direction of the rotary drive part (32), and a threaded key (61) adapted to the surface of the rotary drive part (32) is provided at the position of the through hole inside the positioning base (6).

2. The integrated drilling and grinding device according to claim 1, characterized in that: The base (1) comprises a supporting disc (11) fixed on a plane and four fixing rods (12) vertically inserted into the supporting disc (11), wherein the four fixing rods (12) are distributed at equal intervals on the surface of the supporting disc (11).

3. The integrated drilling and grinding device according to claim 2, characterized in that: No less than two groups of positioning structures (9) are arranged on the top surface of the stepped workbench (2), and the positioning structures (9) are fixed to two ends of the worm (5); The positioning structure (9) comprises a positioning substrate (91) and an inner bearing (93); the positioning substrate (91) is rotatably mounted on the surface of the inner bearing (93).

4. The integrated drilling and grinding device according to claim 3, characterized in that: The inner bearing (93) comprises a circular positioning plate (931) and four groups of extension clamping plates (932) fixed at equal intervals on the end surface of the circular positioning plate (931); the cross section of the extension clamping plate (932) is arranged in an "F" shape; a plurality of small balls (933) are embedded between two groups of plates parallel to the extension clamping plate (932) and the inner bearing (93); the end surfaces of the plates of the extension clamping plates (932) embedded with the plurality of small balls (933) are opposite to each other; The surface of the positioning substrate (91) is provided with rolling grooves (92) for the small balls (933) to roll.

5. The integrated drilling and grinding device according to claim 4, characterized in that: A wedge-shaped groove is provided inside the positioning structure (9), and the positioning structure (9) is in contact with the outer surface of the middle connecting portion (31); The diameter of the inner circle formed by the four groups of extended clamping plates (932) is greater than the outer diameter of the middle connecting portion (31).

6. The integrated drilling and grinding device according to claim 5, characterized in that: A threaded hole for mounting a drill bit (7) is provided inside the drilling and grinding mounting portion (33), and the drill bit (7) or the grinding block (8) is mounted in the threaded hole by means of a threaded connection; The spiral installation direction of the drill bit (7) is opposite to the rotation direction of the corresponding drilling and grinding rotating structure (3).

7. The integrated drilling and grinding device according to claim 6, characterized in that: No less than three groups of grooves are provided on the surface of the bottom cylinder of the central rotating rod (41), and a synchronous belt (10) is stretched inside the grooves.

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