Hardware part machining drilling machine

Abstract

The invention is suitable for the technical field of part machining, and provides a hardware part machining drilling machine which comprises a base and a three-jaw chuck arranged on the base, and a control frame is further installed on the base in a sliding mode. The drilling mechanism comprises a lifting frame, a supporting box, a control box, a spraying box, a driving motor and a drill bit, the lifting frame and the control frame are in sliding connection through a lifting assembly, and a rotating speed type flow control assembly and a pressure type flow control assembly are further arranged in the containing cavity and the spraying box correspondingly; through the arrangement of the drilling mechanism, the problems that when an existing drilling machine is used, cutting fluid is sprayed at will and cannot be accurately sprayed to a drilling position, so that a drilling structure is prone to overheating, meanwhile, the spraying amount of the cutting fluid cannot be adjusted according to the hardness of a to-be-machined part, and the drilling efficiency is improved are solved. The phenomenon of waste or insufficiency of the cutting fluid is easy to occur, and certain limitation exists.

Description

Technical Field

[0001] The invention relates to the technical field of parts processing, in particular to a hardware parts processing drilling machine. Background Art

[0002] In modern manufacturing, hardware parts are widely used, covering many fields such as machinery manufacturing, automobile industry, electronic equipment, architectural decoration, etc. The processing accuracy and efficiency of hardware parts play a key role in the overall quality and production cycle of the product. Drilling is a common and important process in the processing of hardware parts, and the performance of its processing equipment directly affects the production efficiency.

[0003] When processing flanges and other parts, it is necessary to drill holes at equal intervals in the circumferential direction of the flange raw material. However, when using existing drilling machines, the cutting fluid spray is relatively random, and the cutting fluid cannot be sprayed accurately to the drilling position, which makes the drilling structure prone to overheating. At the same time, the amount of cutting fluid sprayed cannot be adjusted according to the hardness of the parts to be processed, which is prone to waste or insufficient cutting fluid, and there are certain limitations. Therefore, in view of the above situation, it is urgent to provide a hardware parts processing drilling machine to overcome the shortcomings in current practical applications. Summary of the invention

[0004] The purpose of the present invention is to provide a hardware parts processing drilling machine to solve the problems in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the present invention provides a hardware parts processing drilling machine, comprising: A base and a three-jaw chuck arranged on the base, wherein the base has a driving module for driving the three-jaw chuck to rotate, and a control frame is slidably mounted on the base, and an electric guide rail for driving the control frame to move is arranged in the base; The drilling mechanism comprises a lifting frame, a support box, a control box, a spray box, a driving motor and a drill bit. The lifting frame and the control frame are slidably connected through a lifting assembly. The support box is fixedly mounted on the bottom of the lifting frame, the control box is slidably mounted on the lifting frame, and a spring for elastically pressing the control box is also provided on the top of the lifting frame. The driving motor is arranged in the control box, and the drill bit is connected to the output shaft of the driving motor through a main shaft. The spray box is fixedly mounted on one end of the supporting box away from the lifting frame, and the spray box has a circular hole for the drill bit to pass through. A nozzle is also provided at the bottom of the spray box. A accommodating chamber for accommodating cutting fluid is also provided in the supporting box, and a feeding pipe connected to the accommodating chamber is provided on the supporting box. The accommodating chamber is connected to the linkage rod through a conduit. A speed flow control component and a pressure flow control component are also provided in the accommodating chamber and the spray box, respectively.

[0006] As a further solution of the present invention: the spray hole of the nozzle faces the drill bit, and the nozzle is arranged in multiple circles from the inside to the outside at the bottom of the spray box.

[0007] As a further solution of the present invention: an ultrasonic sensor for detecting the hardness of the parts to be processed is also arranged at the bottom of the control box.

[0008] As a further solution of the present invention: the speed type flow control component comprises: A partition plate for partitioning the accommodating chamber, wherein the feed pipe is in communication with an upper region of the partition plate, and the conduit is in communication with a lower region of the partition plate; A flow control block, wherein the partition plate is provided with a circular hole for rotatably mounting the flow control block, and the flow control block is provided with a plurality of groups of through holes; A blocking plate for blocking the through hole, wherein the blocking plate is slidably mounted in the flow control block, and a spring four for elastically pulling the blocking plate is provided in the flow control block; And a linkage component for driving the flow control block to rotate.

[0009] As a further solution of the present invention: the linkage component includes: A support shaft, wherein the support shaft is fixedly mounted on the flow control block; Rotating a rotating tube installed in the control box, wherein the rotating tube is connected to the output shaft of the driving motor through a linkage; A rotating shaft is rotatably installed in the support box, one end of the rotating shaft is connected to the support shaft through a gear set, the other end of the rotating shaft is slidably connected to the rotating tube, and the rotating shaft rotates with the rotating tube.

[0010] As a further solution of the present invention: the pressure flow control component comprises: A quantity control baffle fixedly installed in the spray box, wherein the upper area of ​​the quantity control baffle is connected to the conduit, and a plurality of groups of blocking blocks are provided on the quantity control baffle; A linkage rod is fixedly installed at the bottom of the control box, a round hole slidably connected to the linkage rod is opened on the top of the spray box, and a blocking block for controlling the flow space of the blocking block is fixedly installed at one end of the linkage rod away from the control box.

[0011] As a further solution of the present invention: a support ring is also provided on the three-jaw chuck.

[0012] As a further solution of the present invention: it also includes a post-processing component for trimming the borehole, and the post-processing component includes: The adjusting plate, the base is provided with an opening for rotatably mounting the adjusting plate, and a driving module 2 for driving the adjusting plate to rotate is arranged in the base; A vertical plate, wherein the vertical plate is slidably connected to the adjustment plate via an electric guide rail 2, and a lifting box is slidably mounted on the vertical plate, and an electric guide rail 3 is provided inside the vertical plate for driving the lifting box to move up and down; And a top grinding component is arranged on the lifting box, and a bottom grinding component for cooperating with the top grinding component is arranged on the vertical plate.

[0013] As a further solution of the present invention: the top grinding assembly comprises: Rotate a polygonal rotating rod installed at the bottom of the lifting box, wherein a driving module 3 for driving the polygonal rotating rod to rotate is provided in the lifting box; A limit block, wherein the limit block is fixedly mounted on the polygonal rotating rod, and a top grinding block is also slidably mounted on the polygonal rotating rod, and the top grinding block rotates with the polygonal rotating rod; And a second spring for elastically supporting the top grinding block, wherein the second spring is sleeved on the polygonal rotating rod, and one end of the second spring is fixedly connected to the limit block, and the other end of the second spring is fixedly connected to the top grinding block.

[0014] As a further solution of the present invention: the bottom grinding assembly comprises: A support plate, wherein the support plate is fixedly mounted on the vertical plate, and a compression chamber and an air guide chamber that are interconnected are formed in the support plate; An air pipe used for introducing gas into the air guide cavity, wherein the air pipe is fixedly connected to the support plate; A piston plate, wherein the piston plate is slidably mounted in the compression chamber, and a spring 3 is provided in the compression chamber for elastically pressing the piston plate; A push-pull rod is slidably mounted in the compression chamber, one end of the push-pull rod is fixedly connected to the piston plate, and the other end of the push-pull rod is fixedly mounted with a connecting plate; And a bottom grinding block rotatably mounted on the connecting plate, wherein the bottom grinding block is provided with a polygonal groove for clamping with the polygonal rotating rod, and the bottom grinding block moves along the length direction of the push-pull rod following the connecting plate.

[0015] By adopting the above technical scheme, the present invention has the following beneficial effects: when in use, the part to be processed (such as a flange) is placed on the three-jaw chuck, and the three-jaw chuck is used to clamp and fix it. The control frame can move to one side of the three-jaw chuck so that the drill bit can move to the edge of the flange. The lifting component can drill holes on the flange by driving the lifting frame to move to one side of the base and cooperating with the driving motor to drive the spindle and the drill bit to rotate. After each group of holes is drilled, the drill bit will reset once, and the three-jaw chuck will drive the flange to rotate a certain angle, so as to achieve uniform drilling at the edge of the flange. The cutting fluid can be introduced into the accommodating cavity by using the feed pipe. The coordinated setting of the speed flow control component and the pressure flow control component can realize the precise adjustment of the amount of cutting fluid sprayed according to the pressing force of the drill bit on the part and the speed of the drill bit, and the cutting fluid can be accurately sprayed to the drilling position by using the nozzle; The present invention avoids the problem that the existing drilling machine sprays cutting fluid randomly when in use, fails to spray the cutting fluid accurately to the drilling position, and makes the drilling structure prone to overheating. At the same time, the spraying amount of the cutting fluid cannot be adjusted according to the hardness of the parts to be processed, which easily leads to the waste or shortage of cutting fluid, and has certain limitations. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of the present invention.

[0018] Figure 2 for Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0019] Figure 3 It is a structural schematic diagram of the drilling mechanism in the present invention.

[0020] Figure 4 for Figure 3 Schematic diagram of the structure viewed from above.

[0021] Figure 5 for Figure 3 Schematic diagram of the partial cross-sectional structure.

[0022] Figure 6 It is a structural schematic diagram of the flow control block in the present invention.

[0023] Figure 7It is a schematic cross-sectional structural diagram of the pressure flow control component in the present invention.

[0024] Figure 8 It is a schematic diagram of the structure of the spray box in the present invention when viewed from above.

[0025] Fig. 9 It is a schematic diagram of the cross-sectional structure of the support plate in the present invention.

[0026] In the attached figure: 1-base, 2-three-jaw chuck, 3-support ring, 4-control frame, 5-threaded rod, 6-support box, 7-control box, 8-lifting frame, 9-spring 1, 10-lifting box, 11-vertical plate, 12-support plate, 13-bottom grinding block, 14-adjusting plate, 15-top grinding block, 16-spring 2, 17-limiting block, 18-polygonal rotating rod, 19-drill bit, 20-spraying box, 21-ultrasonic sensor, 22-accommodating chamber, 23-quantity control partition Plate, 24-linkage rod, 25-drive motor, 26-linkage part, 27-rotating tube, 28-rotating shaft, 29-gear set, 30-flow control block, 31-partition plate, 32-through hole, 33-blocking plate, 34-support shaft, 35-feeding pipe, 36-conduit, 37-blocking block, 38-trumpet-shaped hole, 39-nozzle, 40-connecting plate, 41-spring three, 42-push-pull rod, 43-air guide chamber, 44-air pipe, 45-piston plate, 46-compression chamber. DETAILED DESCRIPTION

[0027] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention will be understood according to specific circumstances.

[0030] The present invention is further explained below in conjunction with specific implementation modes.

[0031] See also Figure 1-Figure 9 , an embodiment of the present invention provides a hardware parts processing drilling machine, the hardware parts processing drilling machine comprises: A base 1 and a three-jaw chuck 2 arranged on the base 1, wherein the base 1 has a driving module for driving the three-jaw chuck 2 to rotate, and a control frame 4 is also slidably mounted on the base 1, and an electric guide rail for driving the control frame 4 to move is arranged in the base 1; wherein the three-jaw chuck 2 can adopt the existing public technology; The drilling mechanism includes a lifting frame 8, a support box 6, a control box 7, a spray box 20, a drive motor 25 and a drill bit 19. The lifting frame 8 is slidably connected to the control frame 4 through a lifting assembly. The support box 6 is fixedly installed at the bottom of the lifting frame 8. The control box 7 is slidably installed on the lifting frame 8. A spring 9 for elastically pressing the control box 7 is also provided on the top of the lifting frame 8. The drive motor 25 is arranged in the control box 7, and the drill bit 19 is connected to the output shaft of the drive motor 25 through a spindle. The spray box 20 is fixedly mounted on one end of the support box 6 away from the lifting frame 8, and has a round hole for the drill bit 19 to pass through. A nozzle 39 is also provided at the bottom of the spray box 20. A receiving chamber 22 for receiving cutting fluid is also provided in the support box 6, and a feed pipe 35 connected to the receiving chamber 22 is provided on the support box 6. The receiving chamber 22 is connected to the linkage rod 24 through a conduit 36. A speed flow control component and a pressure flow control component are also provided in the receiving chamber 22 and the spray box 20, respectively.

[0032] In an embodiment of the present invention, the hardware parts processing drilling machine is preferably used to process flanges; when in use, the part to be processed (such as a flange) is placed on the three-jaw chuck 2, and the three-jaw chuck 2 is used to clamp and fix it. The control frame 4 can move to one side of the three-jaw chuck 2 to enable the drill bit 19 to move to the edge of the flange. The lifting component can drill holes on the flange by driving the lifting frame 8 to move to one side of the base 1 and cooperating with the driving motor 25 to drive the spindle and the drill bit 19 to rotate. After each group of holes is drilled, the drill bit 19 will be reset once, and the three-jaw chuck 2 will drive the flange to rotate a certain angle, so as to achieve uniform drilling at the edge of the flange. The cutting fluid can be introduced into the accommodating chamber 22 by using the feed pipe 35, and the rotation speed flow control component and the pressure flow control component are used. The cutting fluid spraying amount can be precisely adjusted according to the pressing force of the drill bit 19 on the part and the rotation speed of the drill bit 19, and the cutting fluid can be precisely sprayed to the drilling position by using the nozzle 39; wherein the lifting component includes a threaded rod 5 and a motor for driving the threaded rod 5 to rotate, and a through hole 32 threadedly connected to the threaded rod 5 is provided on the lifting frame 8, and the threaded rod 5 can drive the lifting frame 8 to move up and down on the control frame 4 by rotating; compared with the prior art, the present invention avoids the problem that the existing drilling machine sprays cutting fluid more randomly when in use through the setting of the drilling mechanism, and the cutting fluid cannot be accurately sprayed to the drilling position, which makes the drilling structure prone to overheating, and at the same time, the cutting fluid spraying amount cannot be adjusted according to the hardness of the part to be processed, which is prone to waste or insufficient cutting fluid, and there are certain limitations.

[0033] In one embodiment of the present invention, see Figure 1-Figure 9 The spray hole of the nozzle 39 faces the drill bit 19, and the nozzle 39 is arranged in multiple circles from the inside to the outside at the bottom of the spray box 20; by using the arrangement of multiple circles of nozzles 39, the cutting fluid can be sprayed at different heights of the drill bit 19, thereby expanding the coverage of the cutting fluid on the drill bit 19 and improving the cooling effect. When the drill bit 19 drills into the part, the cutting fluid can be sprayed at the drilling position.

[0034] In one embodiment of the present invention, see Figure 1-Figure 9The bottom of the control box 7 is also provided with an ultrasonic sensor 21 for detecting the hardness of the parts to be processed; the propagation speed and attenuation degree of ultrasonic waves in materials of different hardness are different. For materials with higher hardness, the ultrasonic wave propagation speed is relatively fast and the attenuation is relatively small. The ultrasonic sensor 21 transmits ultrasonic signals, which propagate in the material and are received by the receiving sensor. By comparing the time difference between the transmitted signal and the received signal, the frequency change, the amplitude attenuation and other parameters, combined with the pre-established material hardness ultrasonic parameter database, the hardness of the material can be determined. For example, for steel, the ultrasonic wave propagation speed of materials with a hardness of HRC30 may differ by about 10%-20% compared with materials with a hardness of HRC60. This difference can be used to distinguish steels of different hardnesses; The speed flow control component comprises: A partition plate 31 for partitioning the accommodating chamber 22, wherein the feed pipe 35 is in communication with an upper region of the partition plate 31, and the conduit 36 ​​is in communication with a lower region of the partition plate 31; The flow control block 30, the partition plate 31 is provided with a circular hole for rotatably mounting the flow control block 30, and the flow control block 30 is provided with a plurality of through holes 32; A blocking plate 33 for blocking the through hole 32, wherein the blocking plate 33 is slidably mounted in the flow control block 30, and a spring 4 for elastically pulling the blocking plate 33 is provided in the flow control block 30; wherein a counterweight block is also provided inside the blocking plate 33, and the counterweight block is located at one end of the blocking plate 33 away from the middle of the flow control block 30, so as to facilitate the blocking plate 33 to move to the outside of the flow control block 30 under the action of centrifugal force; and a linkage assembly for driving the flow control block 30 to rotate; The linkage components include: A support shaft 34, wherein the support shaft 34 is fixedly mounted on the flow control block 30; A rotating tube 27 is rotatably installed in the control box 7, and the rotating tube 27 is connected to the output shaft of the driving motor 25 via a linkage 26; wherein the linkage 26 is a combined structure of a pulley and a transmission belt; A rotating shaft 28 is rotatably mounted in the support box 6, one end of the rotating shaft 28 is connected to the support shaft 34 via a gear set 29, and the other end of the rotating shaft 28 is slidably connected to the rotating tube 27, and the rotating shaft 28 rotates with the rotating tube 27; wherein the gear set 29 is two sets of mutually meshing spur gears; The pressure flow control assembly comprises: A quantity control baffle 23 fixedly mounted in the spray box 20, wherein the upper area of ​​the quantity control baffle 23 is connected to the conduit 36, and a plurality of blocking blocks 37 are provided on the quantity control baffle 23; A linkage rod 24 is fixedly installed at the bottom of the control box 7, and a round hole slidably connected to the linkage rod 24 is opened on the top of the spray box 20, and a blocking block 37 for controlling the flow space of the blocking block 37 is fixedly installed at one end of the linkage rod 24 away from the control box 7; in the initial state, there is a gap between the outer wall of the blocking block 37 and the inner wall of the trumpet-shaped hole 38, and when the linkage rod 24 pushes the blocking block 37 to move downward, the gap between the blocking block 37 and the trumpet-shaped hole 38 will gradually increase.

[0035] In this embodiment, when processing high-hardness materials (such as hardened steel and cemented carbide), due to the strong ability of the material to resist deformation, the drill bit 19 needs a greater cutting force to cut into the material. In order to ensure the normal drilling, the pressure of the drill bit 19 on the parts will increase accordingly. However, this pressure increase is controlled within a reasonable range. Because if the pressure is too large and exceeds the bearing capacity of the drill bit 19, it may cause the drill bit 19 to break. For example, when drilling cemented carbide with a hardness of about HRC60, the pressure of the drill bit 19 on the parts may be 30%-50% higher than when drilling ordinary carbon steel with a hardness of about HRC30. This is achieved by increasing the feed rate (within an appropriate range) or increasing the speed of the drill bit 19, so that the drill bit 19 can effectively cut into the hard material; for low-hardness materials (such as aluminum alloys and zinc alloys), the material is easily cut into by the drill bit 19, and the required cutting force is small. At this time, the pressure of the drill bit 19 on the parts can be appropriately reduced. If a higher pressure is still used, it may cause excessive deformation of the material, reduce the drilling accuracy, and accelerate the wear of the drill bit 19.For example, when drilling aluminum alloy, the pressure of the drill bit 19 on the part may be only 30%-40% of the pressure when drilling high-hardness steel to ensure the processing quality; for tool steel with higher hardness (HRC50-60), the speed of the drill bit 19 can be set at 1000-1500 rpm; and for aluminum alloy with lower hardness but higher toughness, the speed can be reduced to 600-800 rpm; therefore, the speed of the drill bit 19 and the pressure of the drill bit 19 can be adjusted in combination with the hardness of the processed parts, so as to cooperate with the speed-type flow control component and the pressure-type flow control component to realize the control of the cutting fluid spraying amount, as follows: when it is necessary to increase the downward pressure of the drill bit 19, the lifting component is used to drive the lifting frame 8 to move downward, so that the spring 9 is compressed. At this time, the distance between the spray box 20 and the control box 7 increases, so that the linkage rod 24 can pull the blocking block 37 upward, thereby gradually increasing the gap between the blocking block 37 and the trumpet-shaped hole 38. When the speed of the drill bit 19 increases, the linkage part 26 can be used to drive the rotating tube 2 7 rotates, the rotating tube 27 can drive the rotating shaft 28 to rotate, and cooperate with the gear set 29 to drive the supporting shaft 34 to rotate. The supporting shaft 34 drives the flow control block 30 to rotate, so that the blocking plate 33 can move outward under the action of centrifugal force, so that the opening of the through hole 32 is increased, thereby increasing the flow of the cutting fluid. During processing, after the drill bit 19 is started, the speed of the drill bit 19 is first increased to make the speed type flow control component work, so that the cutting fluid enters the spray box 20, and the cutting fluid is sprayed onto the drill bit 19 through the nozzle 39 (when the pressure type flow control component is not working, there is a small gap between the blocking block 37 and the trumpet-shaped hole 38), so that the drill bit 19 is first covered with cutting fluid before contacting the part, and then the speed of the drill bit 19 is reduced, or the drill bit 19 stops rotating. When the ultrasonic sensor 21 detects that the hardness of the part is relatively large, the spraying amount of the cutting fluid can be changed in real time through the changes in the pressure under the drill bit 19 and the rotation of the drill bit 19, thereby improving the drilling quality and reducing the consumption of cutting fluid.

[0036] In one embodiment of the present invention, see Figure 1-Figure 9 , the three-jaw chuck 2 is also provided with a support ring 3; Also included is a post-processing assembly for trimming the borehole, the post-processing assembly comprising: The adjusting plate 14 is provided with an opening on the base 1 for rotationally mounting the adjusting plate 14, and a driving module 2 for driving the adjusting plate 14 to rotate is provided in the base 1; wherein the adjusting plate 14 and the three-jaw chuck 2 rotate about the same axis; A vertical plate 11, wherein the vertical plate 11 is slidably connected to the adjustment plate 14 via an electric guide rail 2, and a lifting box 10 is slidably mounted on the vertical plate 11, and an electric guide rail 3 is provided inside the vertical plate 11 for driving the lifting box 10 to rise and fall; and a top grinding assembly disposed on the lifting box 10, wherein the vertical plate 11 is provided with a bottom grinding assembly for use with the top grinding assembly; The top grinding assembly comprises: Rotate the polygonal rotating rod 18 installed at the bottom of the lifting box 10, wherein the lifting box 10 is provided with a driving module 3 for driving the polygonal rotating rod 18 to rotate; A limit block 17, wherein the limit block 17 is fixedly mounted on the polygonal rotating rod 18, and a top grinding block 15 is also slidably mounted on the polygonal rotating rod 18, and the top grinding block 15 rotates with the polygonal rotating rod 18; and a second spring 16 for elastically supporting the top grinding block 15, wherein the second spring 16 is sleeved on the polygonal rotating rod 18, and one end of the second spring 16 is fixedly connected to the limit block 17, and the other end of the second spring 16 is fixedly connected to the top grinding block 15; The bottom grinding assembly comprises: A support plate 12, wherein the support plate 12 is fixedly mounted on the vertical plate 11, and a compression chamber 46 and an air guide chamber 43 that are interconnected are formed in the support plate 12; An air pipe 44 for introducing gas into the air guide cavity 43, wherein the air pipe 44 is fixedly connected to the support plate 12; A piston plate 45, wherein the piston plate 45 is slidably mounted in a compression chamber 46, and a spring 41 is disposed in the compression chamber 46 for elastically pressing the piston plate 45; A push-pull rod 42 is slidably mounted in the compression chamber 46, one end of the push-pull rod 42 is fixedly connected to the piston plate 45, and the other end of the push-pull rod 42 is fixedly mounted with a connecting plate 40; And a bottom grinding block 13 rotatably installed on the connecting plate 40, wherein a polygonal groove for engaging with the polygonal rotating rod 18 is opened on the bottom grinding block 13, and the bottom grinding block 13 follows the connecting plate 40 to move in the length direction of the push-pull rod 42; wherein the thickness of the support ring 3 is greater than the thickness of the support plate 12, and the bottom of the support plate 12 is located above the table top of the three-jaw chuck 2, so that after the part is supported by the support ring 3, the support plate 12 can enter the position between the bottom surface of the part and the table top of the three-jaw chuck 2, which is convenient for grinding and trimming the bottom of the drilled hole.

[0037] In this embodiment, the adjusting plate 14 can adjust the working positions of the top grinding block 15 and the bottom grinding block 13 by rotating on the base 1. The positions of the top grinding block 15 and the bottom grinding block 13 can be adjusted according to the spacing between the hole positions on the flange, so that after the next drilling position moves to the lowering of the drill bit 19, the hole drilled by the drill bit 19 just moves between the top grinding block 15 and the bottom grinding block 13. When the drilled hole moves to the working area of ​​the bottom grinding block 13 and the top grinding block 15, the vertical plate 11 will move to one side of the three-jaw chuck 2, so that the bottom grinding block 13 moves to the bottom of the drill hole, and then the lifting box 10 moves downward, so that the top grinding block 15 is pressed onto the drill hole, and the lifting box 10 continues The piston plate 45 is pushed to move downward, and at the same time, the gas is introduced into the compression chamber 46 through the air guide chamber 43 by the air pipe 44 (the air pipe 44 is pre-connected to the external air source), thereby pushing the piston plate 45 to move, and the piston plate 45 is used to drive the push-pull rod 42, the connecting plate 40 and the bottom grinding block 13 to move upward, so that the bottom grinding block 13 is pressed under the drill hole, so that the polygonal rotating rod 18 can be inserted into the polygonal groove on the bottom grinding block 13 (if there is a deviation, the polygonal rotating rod 18 rotates slightly during the downward movement, so that the polygonal rotating rod 18 can be inserted into the polygonal groove), and the polygonal rotating rod 18 can grind and polish the burrs around the drill hole by driving the top grinding block 15 and the bottom grinding block 13 to rotate, thereby improving the processing quality.

[0038] In the present invention, the electric guide rails one, two and three can all adopt existing public technologies, and the drive modules one, two and three can all adopt a motor or a matching structure of a motor and a reducer, which is not specifically limited here.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A hardware parts processing drilling machine, comprising a base and a three-jaw chuck arranged on the base, wherein the base has a driving module for driving the three-jaw chuck to rotate, and a control frame is slidably mounted on the base, and an electric guide rail for driving the control frame to move is arranged in the base, characterized in that: Also includes: The drilling mechanism comprises a lifting frame, a support box, a control box, a spray box, a driving motor and a drill bit. The lifting frame and the control frame are slidably connected through a lifting assembly. The support box is fixedly mounted on the bottom of the lifting frame, the control box is slidably mounted on the lifting frame, and a spring for elastically pressing the control box is also provided on the top of the lifting frame. The driving motor is arranged in the control box, and the drill bit is connected to the output shaft of the driving motor through a main shaft. The spray box is fixedly mounted on one end of the supporting box away from the lifting frame, and the spray box has a circular hole for the drill bit to pass through. A nozzle is also provided at the bottom of the spray box. A accommodating chamber for accommodating cutting fluid is also provided in the supporting box, and a feeding pipe connected to the accommodating chamber is provided on the supporting box. The accommodating chamber is connected to the linkage rod through a conduit. A speed flow control component and a pressure flow control component are also provided in the accommodating chamber and the spray box, respectively.

2. The hardware parts processing drilling machine according to claim 1, characterized in that: The spray hole of the nozzle faces the drill bit, and the nozzle is arranged in multiple circles from the inside to the outside at the bottom of the spray box.

3. The hardware parts processing drilling machine according to claim 1, characterized in that: The bottom of the control box is also provided with an ultrasonic sensor for detecting the hardness of the parts to be processed.

4. The hardware parts processing drilling machine according to claim 1, characterized in that: The speed type flow control component comprises: A partition plate for partitioning the accommodating chamber, wherein the feed pipe is in communication with an upper region of the partition plate, and the conduit is in communication with a lower region of the partition plate; A flow control block, wherein the partition plate is provided with a circular hole for rotatably mounting the flow control block, and the flow control block is provided with a plurality of groups of through holes; A blocking plate for blocking the through hole, wherein the blocking plate is slidably mounted in the flow control block, and a spring four for elastically pulling the blocking plate is provided in the flow control block; And a linkage component for driving the flow control block to rotate.

5. The hardware parts processing drilling machine according to claim 4, characterized in that: The linkage components include: A support shaft, wherein the support shaft is fixedly mounted on the flow control block; Rotating a rotating tube installed in the control box, wherein the rotating tube is connected to the output shaft of the driving motor through a linkage; A rotating shaft is rotatably installed in the support box, one end of the rotating shaft is connected to the support shaft through a gear set, the other end of the rotating shaft is slidably connected to the rotating tube, and the rotating shaft rotates with the rotating tube.

6. The hardware parts processing drilling machine according to claim 1, characterized in that: The pressure flow control assembly comprises: A quantity control baffle fixedly installed in the spray box, wherein the upper area of ​​the quantity control baffle is connected to the conduit, and a plurality of groups of blocking blocks are provided on the quantity control baffle; A linkage rod is fixedly installed at the bottom of the control box, a round hole slidably connected to the linkage rod is opened on the top of the spray box, and a blocking block for controlling the flow space of the blocking block is fixedly installed at one end of the linkage rod away from the control box.

7. The hardware parts processing drilling machine according to claim 1, characterized in that: The three-jaw chuck is also provided with a support ring.

8. The hardware parts processing drilling machine according to claim 1, characterized in that: Also included is a post-processing assembly for trimming the borehole, the post-processing assembly comprising: The adjusting plate, the base is provided with an opening for rotatably mounting the adjusting plate, and a driving module 2 for driving the adjusting plate to rotate is arranged in the base; A vertical plate, wherein the vertical plate is slidably connected to the adjustment plate via an electric guide rail 2, and a lifting box is slidably mounted on the vertical plate, and an electric guide rail 3 is provided inside the vertical plate for driving the lifting box to move up and down; And a top grinding component is arranged on the lifting box, and a bottom grinding component for cooperating with the top grinding component is arranged on the vertical plate.

9. The hardware parts processing drilling machine according to claim 8, characterized in that: The top grinding assembly comprises: Rotate a polygonal rotating rod installed at the bottom of the lifting box, wherein a driving module 3 for driving the polygonal rotating rod to rotate is provided in the lifting box; A limit block, wherein the limit block is fixedly mounted on the polygonal rotating rod, and a top grinding block is also slidably mounted on the polygonal rotating rod, and the top grinding block rotates with the polygonal rotating rod; And a second spring for elastically supporting the top grinding block, wherein the second spring is sleeved on the polygonal rotating rod, and one end of the second spring is fixedly connected to the limit block, and the other end of the second spring is fixedly connected to the top grinding block.

10. The hardware parts processing drilling machine according to claim 8, characterized in that: The bottom grinding assembly comprises: A support plate, wherein the support plate is fixedly mounted on the vertical plate, and a compression chamber and an air guide chamber that are interconnected are formed in the support plate; An air pipe used for introducing gas into the air guide cavity, wherein the air pipe is fixedly connected to the support plate; A piston plate, wherein the piston plate is slidably mounted in the compression chamber, and a spring 3 is provided in the compression chamber for elastically pressing the piston plate; A push-pull rod is slidably mounted in the compression chamber, one end of the push-pull rod is fixedly connected to the piston plate, and the other end of the push-pull rod is fixedly mounted with a connecting plate; And a bottom grinding block rotatably mounted on the connecting plate, wherein the bottom grinding block is provided with a polygonal groove for clamping with the polygonal rotating rod, and the bottom grinding block moves along the length direction of the push-pull rod following the connecting plate.

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