A punching device capable of preventing debris from splashing during replacement of a drill bit

Abstract

This invention relates to the field of drilling technology and discloses a drilling device that facilitates drill bit replacement and prevents chip splashing. The device includes a chip collection assembly, on the top of which is mounted a column and a clamping assembly. The clamping assembly is slidably mounted on the top of the chip collection assembly, and a rocker arm is drivenly mounted on the outer surface of the column. A drilling assembly is slidably mounted on the surface of the rocker arm and is supported above the clamping assembly via the rocker arm. The chip collection assembly includes a base. This drilling device facilitates drill bit replacement and prevents chip splashing. When a worker moves a material plate towards a positioning component, the material plate is inserted between the positioning component and the clamping component. At this time, the connecting plate at the bottom of the positioning component naturally abuts against the lower surface of the material plate, and a pressure pad is tightly placed between the material plate and the support. Through the elastic buffering effect of the pressure pad, direct wear on the lower surface of the material plate by the support is prevented, while simultaneously providing bottom support for the material plate and limiting its downward displacement.

Description

Technical Field

[0001] This invention relates to the field of drilling technology, specifically to a drilling device that facilitates drill bit replacement and prevents chip splashing. Background Technology

[0002] In machining fields such as sheet metal processing, metal drilling, and pre-drilled holes in workpieces, fixed and mobile drilling devices are widely used and are core equipment for achieving efficient drilling operations. However, existing conventional drilling devices still have many technical shortcomings in actual production use, making it difficult to meet the demands for refined, efficient, and safe processing.

[0003] Currently, some drill bits in existing drilling equipment adopt an integrated fixed installation structure. The drill bit and drive shaft are mostly fastened by welding, integral clamping, or multiple bolts. When facing drilling operations with different hole diameters and different materials, the process of disassembling and replacing drill bits is cumbersome, requiring the use of special tools such as wrenches and screwdrivers. The disassembly steps are numerous and time-consuming, which seriously reduces the efficiency of tool changing. At the same time, the integrated drill bit structure is prone to local wear and complete scrapping, resulting in high tool usage costs. It cannot meet the flexible processing needs of multiple specifications, small batches, and multiple types of workpieces.

[0004] Existing drilling equipment has a simple workpiece clamping structure design, mostly using single-sided clamping or fixed limiting methods, which can only be adapted to a single size of sheet metal, resulting in poor versatility. The reverse impact force generated during the drilling and cutting process can easily cause the workpiece to shake and shift, further aggravating the hole position deviation. In addition, conventional clamping structures are prone to hard squeezing and scratching the workpiece surface, as well as uneven clamping force, failing to meet the requirements of clamping stability and workpiece protection. Summary of the Invention

[0005] The purpose of this invention is to provide a drilling device that facilitates drill bit replacement and prevents chip splashing, thereby solving the problems mentioned in the background art, such as the tendency of conventional clamping structures to cause hard extrusion and scratches on the workpiece surface, uneven clamping force, and the inability to simultaneously meet the requirements of clamping stability and workpiece protection.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a drilling device for easy replacement of drill bits and prevention of chip splashing, comprising: a chip collection assembly, wherein a column and a clamping assembly are respectively installed on the top of the chip collection assembly, the clamping assembly is slidably installed on the top of the chip collection assembly, and a rocker arm is drivenly installed on the outer surface of the column; A punching assembly, which is slidably mounted on the surface of a rocker arm and is mounted above a clamping assembly via the rocker arm; The chip collection assembly includes a base, with a mounting plate fixedly installed on top of the base. A collection groove is formed around the periphery of the mounting plate, and a surrounding plate is fixedly installed on the outer surface of the base. When the drilling assembly drills holes in the sheet metal, high-speed cutting generates chips, dust, and fine slag that splash outwards. The surrounding plate fixed to the outer periphery of the base adopts a semi-enclosed, outward-expanding structure, forming a shield from the side and diagonally upwards to prevent chips from flying randomly towards the operator and the outside of the equipment. The splashed and scattered slag naturally slides down the inner slope of the surrounding plate and flows directionally into the collection groove formed around the mounting plate, achieving unified collection of all drill chips and preventing them from scattering on the ground, workbench, or equipment rail gaps.

[0007] Furthermore, the mounting plate and the clamping assembly are slidably adapted together, and the surrounding plate is configured as a semi-enclosed, outwardly expanding structure. The surrounding plate is configured to cooperate with the collection trough. The collection trough surrounds the periphery of the mounting plate, forming a ring-shaped slag collection area. All drilling debris enters the trough, preventing fine dust, iron filings, and wood chips from getting stuck in the sliding fit gap between the mounting plate and the clamping assembly. This keeps the sliding position clean and smooth at all times, preventing jamming, inability to push or pull, and positioning blockage.

[0008] Furthermore, the drilling assembly includes a housing, which is slidably mounted on the surface of the rocker arm via a slide groove. A motor is fixedly mounted on the top of the housing, and a slide groove is formed on the outer surface of the housing. A replacement head is driven and mounted on the bottom of the housing via the motor output end, and the replacement head is driven and mounted above the clamping assembly. After the material plate is positioned, the operator starts the equipment and slides the entire housing laterally along the rocker arm. Based on the workpiece to be drilled, the left and right horizontal alignment is completed. Then, in conjunction with the rocker arm's lifting and lowering along the column and angle swing, the entire drilling assembly is adjusted to be directly above the workpiece hole position. The sliding limit is locked to ensure that the drill rod's central axis is perpendicular to the drilling reference plane.

[0009] Furthermore, the replacement head includes a rotating shaft that extends through the interior of the housing. A mating shaft is threaded onto the surface of the rotating shaft, and a drill rod is installed inside the mating shaft. When the operator starts the top motor, the motor output rotates at high speed, directly driving the coaxially fixed rotating shaft to rotate synchronously. The rotational power is stably transmitted to the internal drill rod via the threaded mating shaft, enabling the drill rod to achieve a uniform, concentric, high-speed cutting speed. The housing provides a sealed protection for the rotating shaft and transmission components, preventing debris and dust from entering the transmission gap and avoiding jamming, abnormal noise, and power loss.

[0010] Furthermore, the rotating shaft is fixedly connected to the output end of the motor, and the drill rod is designed as a detachable structure. The control arm drives the drilling assembly downwards, the housing slides smoothly along the arm for feeding, and the high-speed rotating drill rod gradually contacts and cuts into the clamped workpiece surface, completing the drilling cut. Throughout the cutting process, the outer periphery of the housing forms a partial shield, which, combined with the machine's chip collection assembly, reduces the splashing of cutting debris along the changing head axis. The drill rod is an independently detachable component; disassembly and assembly do not require disassembling the motor and housing, and can be completed by hand. It can quickly adapt to drill rods of different hole diameters and materials with different hardness, making it a multi-purpose machine that significantly reduces tool change downtime and is suitable for batch drilling of various types of sheet metal.

[0011] Furthermore, the clamping assembly includes two support plates. A support seat is fixedly installed between the opposing surfaces of the two support plates. Slider blocks are slidably installed on both sides of the top of the support seat. A connecting rod is fixedly installed on the outer surface of the slider. A positioning element is fixedly installed between the opposing surfaces of the connecting rod. A clamping element is fixedly installed inside the positioning element. The operator, based on the length and width of the material plate to be processed, loosens the locking structure between the slider and the support seat, pushes the slider to slide along the groove on the top of the support seat, causing the connecting rod, positioning element, and clamping element to move synchronously. The distance between the two positioning elements and the position of the clamping element are adjusted to fit the edge dimensions of the material plate. After adjustment, the slider is locked to fix the positions of the positioning element and the clamping element.

[0012] Furthermore, the support plate is fixedly installed on the top of the mounting plate, and the positioning member and clamping member are slidably installed above the support seat via a slider, with the positioning member and the support seat in contact. The operator moves the material plate towards the positioning member, inserting it between the positioning member and the clamping member. At this time, the connecting plate at the bottom of the positioning member naturally abuts against the lower surface of the material plate, and the compression pad is tightly placed between the material plate and the support seat. Through the elastic buffering effect of the compression pad, the support seat is prevented from directly abrading the lower surface of the material plate, while simultaneously providing bottom support for the material plate and limiting its downward displacement.

[0013] Furthermore, the positioning component includes a connecting plate, which is fixedly installed between the opposite faces of the connecting rod. Side plates are fixedly installed on both sides of the bottom of the connecting plate, and a connecting plate is fixedly installed at the bottom of the side plates. A compression pad is provided on the surface of the connecting plate, and the compression pad is placed under the material plate. The compression pad of the positioning component and the compression plate of the clamping component form a bidirectional synchronous clamping, which effectively overcomes the cutting reaction force generated by changing the drilling head compared to single-direction clamping, and avoids problems such as material plate displacement and shaking. The compression pad is made of elastic material, which can increase the friction with the lower surface of the material plate and prevent hard contact damage to the material plate. Combined with the continuous elastic force of the spring, the clamping force is stable and reliable, significantly improving the positional accuracy and diameter consistency of the hole, and ensuring the quality of the drilling process.

[0014] Furthermore, the clamping component includes a card slot plate with a slot at its bottom. A card plate is fixedly installed inside the slot plate, and a pressing plate is rotatably mounted on the surface of the card plate. A spring is fixedly installed between the pressing plate and the card plate. The card slot plate of the clamping component snaps onto the upper surface of the material plate. When the operator places the material plate, the material plate passes between the clamping component and the positioning component. As the material plate passes through, it compresses the pressing plate, causing the spring between the pressing plate and the card plate to compress and contract. After both clamping components are clamped on the surface of the material plate, the material plate is placed stably. At this time, the spring inside the card plate releases its elastic force, pushing the pressing plate to rotate towards the material plate, so that the pressing plate tightly abuts against the upper surface of the material plate, forming a bidirectional clamping action with the bottom pressing pad, firmly fixing the position of the material plate and preventing the material plate from shifting due to loose clamping during the drilling process.

[0015] Furthermore, the card insert plate is fixedly installed between the opposite surfaces of the side plates, and the extrusion plate is positioned above the material plate and adapted to the extrusion pad. When the punching assembly punches the material plate, the changing head cuts downwards, generating a cutting reaction force. The extrusion plate of the clamping component and the extrusion pad of the positioning component simultaneously bear this force. The reaction force is offset by the frictional force of bidirectional clamping, preventing the material plate from shaking or shifting, and ensuring that the position of the material plate remains stable during the punching process.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: (i) This drilling device, which facilitates the replacement of drill bits and prevents chip splashing, allows the operator to move the material plate towards the positioning component, so that the material plate is inserted between the positioning component and the clamping component. At this time, the connecting plate at the bottom of the positioning component naturally abuts against the lower surface of the material plate, and the extrusion pad is tightly placed between the material plate and the support seat. Through the elastic buffering effect of the extrusion pad, the support seat is prevented from directly abrading the lower surface of the material plate, while forming a bottom support for the material plate and restricting its downward displacement.

[0017] (II) This drilling device, which facilitates drill bit replacement and prevents chip splashing, features a positioning pad and a clamping plate that form a two-way synchronous clamping mechanism. Compared to single-direction clamping, this effectively overcomes the cutting reaction force generated during drill bit replacement, preventing issues such as material plate shifting or shaking. The clamping pad is made of elastic material, which increases friction with the lower surface of the material plate and prevents damage from hard contact. Combined with the continuous spring force, this ensures stable and reliable clamping force, significantly improving the positional accuracy and diameter consistency of the holes, and guaranteeing the quality of the drilling process.

[0018] (iii) The drilling device that facilitates drill bit replacement and prevents chip splashing has a clamping plate that engages with the upper surface of the material plate. When the operator places the material plate, the material plate passes between the clamping and positioning parts. When the material plate passes through, it squeezes the extrusion plate, causing the spring between the extrusion plate and the clamping plate to be compressed. After both clamping parts are clamped on the surface of the material plate, the material plate is placed stably. At this time, the spring inside the clamping plate releases its elastic force, pushing the extrusion plate to rotate towards the material plate, so that the extrusion plate tightly abuts against the upper surface of the material plate, forming a two-way clamping with the bottom extrusion pad, firmly fixing the position of the material plate and preventing the material plate from shifting due to loose clamping during the drilling process.

[0019] (iv) This drilling device, which facilitates the replacement of drill bits and prevents chip splashing, allows the operator to start the top motor. The motor output rotates at high speed, directly driving the coaxially fixed rotating shaft to rotate synchronously. The rotational power is stably transmitted to the internal drill rod through the threaded locking docking shaft, enabling the drill rod to obtain a uniform and concentric high-speed cutting speed. The housing forms a closed protection for the rotating shaft and transmission parts, preventing chips and dust from entering the transmission gap and avoiding jamming, abnormal noise, and power loss.

[0020] (v) This drilling device, which facilitates the replacement of drill bits and prevents the splashing of drill chips, generates chips, dust, and fine slag when drilling into the plate at high speed. The outer perimeter of the base is fixed with a semi-enclosed outward expansion structure, which forms a shielding enclosure from the side and obliquely above, preventing the chips from flying randomly to the outside of the operator and equipment. The splashed and scattered slag slides naturally down the inner slope of the enclosure and flows into the collection groove opened on the outer perimeter of the mounting plate, so that all drill chips are collected in a unified manner and will not be scattered on the ground, workbench or equipment slide rail gaps. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the overall structure of the present invention from another angle; Figure 3 This is a schematic diagram of the chip collection assembly structure of the present invention; Figure 4 This is a schematic diagram of the enlarged structure of invention A; Figure 5 This is a schematic diagram of the drilling component structure of the present invention; Figure 6 This is a schematic diagram of the disassembled structure of the punching component of the present invention; Figure 7 This is a schematic diagram of the enlarged structure of invention B; Figure 8 This is a schematic diagram of the clamping component structure of the present invention; Figure 9 This is a schematic diagram of the positioning component structure of the present invention; Figure 10This is a schematic diagram of the clamping structure of the present invention; Figure 11 This is a schematic diagram of the disassembly structure of the clamping component of the present invention.

[0022] In the diagram: 1. Column; 2. Chip collection assembly; 21. Base; 22. Enclosure; 23. Collection trough; 24. Mounting plate; 3. Rocker arm; 4. Drilling assembly; 41. Motor; 42. Housing; 43. Replacement head; 431. Rotating shaft; 432. Connecting shaft; 433. Drill rod; 44. Slide groove; 5. Clamping assembly; 51. Support plate; 52. Support seat; 53. Positioning component; 531. Connecting plate; 532. Side connecting plate; 533. Connecting plate; 534. Extrusion pad; 54. Connecting rod; 55. Clamping component; 551. Insert plate; 552. Slot; 553. Clamping plate; 554. Spring; 555. Extrusion plate; 56. Slider. Detailed Implementation

[0023] Example 1, as Figures 1 to 3 As shown, the present invention provides a technical solution: a drilling device that facilitates the replacement of drill bits and prevents chip splashing, comprising: a chip collection assembly 2, wherein a column 1 and a clamping assembly 5 are respectively installed on the top of the chip collection assembly 2, the clamping assembly 5 is slidably installed on the top of the chip collection assembly 2, and a rocker arm 3 is drivenly installed on the outer surface of the column 1. A punching assembly 4 is slidably mounted on the surface of a rocker arm 3 and is mounted above a clamping assembly 5 via the rocker arm 3. The chip collection assembly 2 includes a base 21, with an mounting plate 24 fixedly installed on the top of the base 21. A collection groove 23 is formed around the periphery of the mounting plate 24, and a surrounding plate 22 is fixedly installed on the outer surface of the base 21. When the drilling assembly 4 drills holes in the plate, high-speed cutting generates chips, dust, and fine slag that splash outwards. The surrounding plate 22 fixed around the base 21 adopts a semi-enclosed outward expansion structure, forming a shield from the side and diagonally above, preventing chips from flying randomly to the outside of the operator and equipment. The splashed and scattered slag naturally slides down the inner slope of the surrounding plate 22 and flows into the collection groove 23 formed around the periphery of the mounting plate 24, achieving unified collection of all drill chips and preventing them from scattering on the ground, workbench, or equipment slide rail gaps.

[0024] The mounting plate 24 is slidably adapted to the clamping assembly 5, and the surrounding plate 22 is configured as a semi-enclosed, outwardly expanding structure. The surrounding plate 22 is configured to cooperate with the collection trough 23. The collection trough 23 surrounds the mounting plate 24, forming a ring-shaped slag collection area. All the slag falling from the drill hole enters the trough, preventing fine dust, iron filings, and wood chips from getting stuck in the sliding fit gap between the mounting plate 24 and the clamping assembly 5. This keeps the sliding position clean and smooth at all times, preventing jamming, inability to push or pull, and positioning jamming.

[0025] Example 2, based on Example 1, such as Figures 4 to 7 As shown, the drilling assembly 4 includes a housing 42, which is slidably mounted on the surface of the rocker arm 3 via a slide groove 44. A motor 41 is fixedly mounted on the top of the housing 42, and the slide groove 44 is formed on the outer surface of the housing 42. A replacement head 43 is driven and mounted on the bottom of the housing 42 via the output end of the motor 41. The replacement head 43 is driven and mounted above the clamping assembly 5. After the material plate is positioned, the operator starts the equipment and slides the housing 42 laterally along the rocker arm 3. Based on the workpiece to be drilled, the left and right horizontal alignment is completed. Then, in conjunction with the rocker arm 3 moving up and down along the column 1 and swinging at an angle, the entire drilling assembly 4 is adjusted to be directly above the workpiece hole position. The sliding limit is locked to ensure that the central axis of the drill rod 433 is perpendicular to the drilling reference plane.

[0026] The replacement head 43 includes a rotating shaft 431 that extends through the interior of the housing 42. A mating shaft 432 is threaded onto the surface of the rotating shaft 431, and a drill rod 433 is installed inside the mating shaft 432. When the operator starts the top motor 41, the output end of the motor 41 rotates at high speed, directly driving the coaxially fixed rotating shaft 431 to rotate synchronously. The rotational power is stably transmitted to the internal drill rod 433 through the threaded mating shaft 432, enabling the drill rod 433 to obtain a uniform, concentric high-speed cutting speed. The housing 42 forms a closed protection for the rotating shaft 431 and the transmission parts, preventing debris and dust from entering the transmission gap and avoiding jamming, abnormal noise, and power loss.

[0027] The rotating shaft 431 is fixedly connected to the output end of the motor 41, and the drill rod 433 is designed to be detachable. The control arm 3 drives the drilling assembly 4 downwards as a whole, and the housing 42 smoothly slides along the arm 3 for feeding. The high-speed rotating drill rod 433 gradually contacts and cuts into the clamped workpiece surface, completing the drilling cut. Throughout the cutting process, the outer periphery of the housing 42 forms a partial shield, which, in conjunction with the chip collection assembly 2, reduces the axial splashing of cutting chips along the changing head 43. The drill rod 433 is an independently detachable component; disassembly and assembly do not require disassembling the motor 41 and housing 42, and can be completed by hand. It can quickly adapt to drill rods 433 of different hole diameters and different hardness materials, making it a multi-purpose machine that significantly reduces tool change downtime and is suitable for batch drilling of various types of sheet metal.

[0028] Example 3, based on Examples 1 and 2, such as Figures 8 to 11As shown, the clamping assembly 5 includes two support plates 51. A support base 52 is fixedly installed between the opposing surfaces of the two support plates 51. Slider blocks 56 are slidably installed on both sides of the top of the support base 52. A connecting rod 54 is fixedly installed on the outer surface of the slider 56. A positioning element 53 is fixedly installed between the opposing surfaces of the connecting rod 54. A clamping element 55 is fixedly installed inside the positioning element 53. According to the length and width of the material plate to be processed, the operator loosens the locking structure between the slider 56 and the support base 52, pushes the slider 56 to slide along the slide groove 44 on the top of the support base 52, and drives the connecting rod 54, the positioning element 53 and the clamping element 55 to move synchronously. The distance between the two positioning elements 53 and the position of the clamping element 55 are adjusted to fit the edge size of the material plate. After adjustment, the slider 56 is locked to fix the position of the positioning element 53 and the clamping element 55.

[0029] The support plate 51 is fixedly installed on the top of the mounting plate 24. The positioning member 53 and the clamping member 55 are slidably installed above the support seat 52 via the slider 56, and the positioning member 53 is in contact with the support seat 52. The operator moves the material plate towards the positioning member 53, so that the material plate is inserted between the positioning member 53 and the clamping member 55. At this time, the connecting plate 533 at the bottom of the positioning member 53 naturally abuts against the lower surface of the material plate, and the compression pad 534 is tightly placed between the material plate and the support seat 52. Through the elastic buffering effect of the compression pad 534, the support seat 52 is prevented from directly abrading the lower surface of the material plate, and at the same time, it forms a bottom support for the material plate, limiting its downward displacement.

[0030] The positioning component 53 includes a connecting plate 531, which is fixedly installed between the opposite faces of the connecting rod 54. Side plates 532 are fixedly installed on both sides of the bottom of the connecting plate 531, and a connecting plate 533 is fixedly installed at the bottom of the side plates 532. A compression pad 534 is provided on the surface of the connecting plate 533, and the compression pad 534 is placed under the material plate. The compression pad 534 of the positioning component 53 and the compression piece 555 of the clamping component 55 form a bidirectional synchronous clamping mechanism. Compared to single-direction clamping, this effectively overcomes the cutting reaction force generated by the changing head 43 during drilling, preventing problems such as material plate displacement and shaking. The compression pad 534 is made of elastic material, which increases the friction with the lower surface of the material plate and prevents damage to the material plate from hard contact. Combined with the continuous elastic force of the spring 554, the clamping force is stable and reliable, significantly improving the positional accuracy and diameter consistency of the holes, and ensuring the quality of the drilling process.

[0031] The clamping member 55 includes a card insertion plate 551, a card slot 552 is provided at the bottom of the card insertion plate 551, a card plate 553 is fixedly installed inside the card slot 552, an extrusion piece 555 is rotatably installed on the surface of the card plate 553, and a spring 554 is fixedly installed between the extrusion piece 555 and the card plate 553. The clamping plate 551 of the clamping member 55 is fastened to the upper surface of the material plate. When the operator places the material plate, the material plate passes between the clamping member 55 and the positioning member 53. When the material plate passes through, it squeezes the extrusion plate 555, causing the spring 554 between the extrusion plate 555 and the clamping plate 553 to be compressed and contracted. After both clamping members 55 are clamped on the surface of the material plate, the material plate is placed stably. At this time, the spring 554 inside the clamping plate 553 releases its elastic force, pushing the extrusion plate 555 to rotate in the direction of the material plate, so that the extrusion plate 555 tightly abuts against the upper surface of the material plate, forming a two-way clamping with the extrusion pad 534 at the bottom, firmly fixing the position of the material plate and preventing the material plate from shifting due to loose clamping during the drilling process.

[0032] The card insert plate 551 is fixedly installed between the opposite surfaces of the side plate 532, and the extrusion plate 555 is positioned above the material plate and is adapted to the extrusion pad 534. When the punching assembly 4 punches the material plate, the changing head 43 cuts downward to generate a cutting reaction force. The extrusion plate 555 of the clamping member 55 and the extrusion pad 534 of the positioning member 53 simultaneously bear this force. The reaction force is offset by the friction of bidirectional clamping, preventing the material plate from shaking or displacing, and ensuring that the position of the material plate remains stable during the punching process.

[0033] In use, the operator loosens the locking structure between the slider 56 and the support 52 according to the length and width of the material plate to be processed, pushes the slider 56 to slide along the slide groove 44 on the top of the support 52, and drives the connecting rod 54, positioning member 53 and clamping member 55 to move synchronously. The distance between the two positioning members 53 and the position of the clamping member 55 are adjusted to match the edge size of the material plate. After the adjustment is completed, the slider 56 is locked to fix the position of the positioning member 53 and the clamping member 55.

[0034] The worker moves the material plate toward the positioning part 53, so that the material plate is inserted between the positioning part 53 and the clamping part 55. At this time, the connecting plate 533 at the bottom of the positioning part 53 naturally abuts against the lower surface of the material plate, and the compression pad 534 is tightly placed between the material plate and the support seat 52. Through the elastic buffering effect of the compression pad 534, the support seat 52 is prevented from directly abrading the lower surface of the material plate, and at the same time, it forms a bottom support for the material plate and restricts its downward displacement.

[0035] After the material plate is positioned, the staff starts the equipment and slides the entire housing 42 laterally along the rocker arm 3. Based on the workpiece to be drilled, the left and right horizontal alignment is completed. Then, with the rocker arm 3 moving up and down and swinging at an angle along the column 1, the entire drilling assembly 4 is adjusted to be directly above the workpiece hole. The sliding limit is locked to ensure that the central axis of the drill rod 433 is perpendicular to the drilling reference surface.

[0036] The staff starts the top motor 41, and the output end of the motor 41 rotates at high speed, directly driving the coaxially fixed rotating shaft 431 to rotate synchronously. The rotational power is stably transmitted to the internal drill rod 433 through the threaded locking docking shaft 432, so that the drill rod 433 obtains a uniform and concentric high-speed cutting speed. The housing 42 forms a closed protection for the rotating shaft 431 and the transmission parts, preventing debris and dust from entering the transmission gap and avoiding jamming, abnormal noise and power loss.

[0037] The control arm 3 drives the drilling assembly 4 downwards. The housing 42 slides smoothly along the control arm 3 for feeding. The high-speed rotating drill rod 433 gradually contacts and cuts into the clamped workpiece surface, completing the drilling. Throughout the cutting process, the housing 42 forms a partial shield around the periphery, which, together with the chip collection assembly 2, reduces the amount of cutting debris splashing along the changing head axis. The drill rod 433 is an independent detachable part, and disassembly and assembly do not require disassembling the motor 41 and housing 42. It can be replaced by hand, and can be quickly adapted to drill rods 433 of different hole diameters and materials with different hardness. It is a multi-purpose machine, which greatly shortens the downtime for tool changes and is suitable for batch drilling of various types of plates.

[0038] When the drilling assembly 4 drills holes in the plate, the high-speed cutting generates chips, dust, and fine slag that fly outwards. The surrounding plate 22 fixed to the outer periphery of the base 21 adopts a semi-enclosed outward expansion structure, forming a shield from the side and diagonally above to prevent chips from flying randomly to the outside of the operator and equipment. The splashed and scattered slag naturally slides down the inner slope of the surrounding plate 22 and flows into the collection groove 23 opened on the outer periphery of the mounting plate 24, so that all drill chips are collected in a unified manner and will not be scattered on the ground, workbench, or equipment slide rail gaps.

Claims

1. A drilling device that facilitates drill bit replacement and prevents chip flying, characterized in that, include: The chip collection assembly (2) is equipped with a column (1) and a clamping assembly (5) on its top. The clamping assembly (5) is slidably installed on the top of the chip collection assembly (2). A rocker arm (3) is installed on the outer surface of the column (1). A punching assembly (4) is slidably mounted on the surface of a rocker arm (3) and is mounted above a clamping assembly (5) via the rocker arm (3). The chip collection assembly (2) includes a base (21), a mounting plate (24) is fixedly installed on the top of the base (21), a collection groove (23) is provided on the periphery of the mounting plate (24), and a surrounding plate (22) is fixedly installed on the outer surface of the base (21).

2. The drilling device for easy drill bit replacement and preventing chip splashing as described in claim 1, characterized in that: The mounting plate (24) is slidably adapted to the clamping assembly (5), the enclosure plate (22) is configured as a semi-enclosed outward expansion structure, and the enclosure plate (22) is configured to cooperate with the collection groove (23).

3. A drilling device for easy drill bit replacement and preventing chip splashing as described in claim 1, characterized in that: The drilling assembly (4) includes a housing (42), which is slidably mounted on the surface of the rocker arm (3) via a slide groove (44). A motor (41) is fixedly mounted on the top of the housing (42), and a slide groove (44) is provided on the outer surface of the housing (42). A replacement head (43) is driven and mounted on the bottom of the housing (42) via the output end of the motor (41). The replacement head (43) is driven and mounted above the clamping assembly (5).

4. A drilling device for easy drill bit replacement and preventing chip splashing as described in claim 3, characterized in that: The replacement head (43) includes a rotating shaft (431) that extends through the interior of the housing (42). A mating shaft (432) is threaded onto the surface of the rotating shaft (431), and a drill rod (433) is installed inside the mating shaft (432).

5. A drilling device for easy drill bit replacement and preventing chip splashing as described in claim 4, characterized in that: The rotating shaft (431) is fixedly connected to the output end of the motor (41), and the drill rod (433) is configured as a detachable structure.

6. A drilling device for easy drill bit replacement and preventing chip splashing as described in claim 1, characterized in that: The clamping assembly (5) includes a support plate (51), two support plates (51) are provided, a support seat (52) is fixedly installed between the opposite surfaces of the two support plates (51), sliders (56) are slidably installed on both sides of the top of the support seat (52), a connecting rod (54) is fixedly installed on the outer surface of the slider (56), a positioning member (53) is fixedly installed between the opposite surfaces of the connecting rod (54), and a clamping member (55) is fixedly installed inside the positioning member (53).

7. A drilling device for easy drill bit replacement and preventing chip splashing as described in claim 6, characterized in that: The support plate (51) is fixedly installed on the top of the mounting plate (24), and the positioning member (53) and the clamping member (55) are slidably installed above the support seat (52) via the slider (56), and the positioning member (53) is in contact with the support seat (52).

8. A drilling device for easy drill bit replacement and preventing chip splashing according to claim 7, characterized in that: The positioning component (53) includes a connecting plate (531), which is fixedly installed between the opposite faces of the connecting rod (54). Side plates (532) are fixedly installed on both sides of the bottom of the connecting plate (531), and a connecting plate (533) is fixedly installed at the bottom of the side plates (532). A compression pad (534) is provided on the surface of the connecting plate (533), and the compression pad (534) is placed under the material plate.

9. A drilling device for easy drill bit replacement and preventing chip splashing according to claim 6, characterized in that: The clamping member (55) includes a card insertion plate (551), a card slot (552) is provided at the bottom of the card insertion plate (551), a card plate (553) is fixedly installed inside the card slot (552), a pressing piece (555) is rotatably installed on the surface of the card plate (553), and a spring (554) is fixedly installed between the pressing piece (555) and the card plate (553).

10. A drilling device for easy drill bit replacement and preventing chip splashing according to claim 9, characterized in that: The card insert plate (551) is fixedly installed between the opposite surfaces of the side plate (532), and the extrusion plate (555) is arranged above the material plate and is adapted to the extrusion pad (534).

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