A drilling device for mold manufacturing

Abstract

This invention relates to the field of drilling equipment technology, specifically disclosing a drilling device for mold manufacturing, including a frame, a drilling mechanism mounted on the frame, and a drill bit mounted on the drilling mechanism. A cutting device is mounted on the frame, comprising a fixed frame mounted on the drilling mechanism, a cutting frame mounted on the fixed frame for cutting cutting chips, and a guide frame rotatably fitted within the cutting frame. Both the cutting frame and the guide frame are fitted onto the drill bit. The inner wall of the guide frame abuts against the spiral groove of the drill bit. The cutting frame and the guide frame rotate in opposite directions. The guide frame has a guide slope for guiding cutting chips to the cutting frame. The cutting chips generated during processing move along the guide slope towards the cutting frame. The cutting frame cuts the cutting chips during rotation. This drilling device for mold manufacturing improves the drilling quality of workpieces during drilling.

Description

Technical Field

[0001] This invention relates to the field of drilling equipment technology, and more specifically to a drilling device for mold manufacturing. Background Technology

[0002] A mold is a tool used to shape raw materials (solid or liquid) into parts with specific shapes and dimensions under the action of external force. Molds are used in forging, stamping, powder metallurgy pressing, pressure casting, and compression molding and injection molding of engineering plastics, rubber, ceramics, and other products. Molds are generally divided into two parts: according to their motion, they are divided into moving molds and stationary molds; according to their shape, they are divided into concave molds and convex molds. Types of molds include steel molds, iron molds, tin molds, wooden molds, plaster molds, clay molds, etc., among which steel molds are the most widely used.

[0003] During the mold manufacturing process, drilling machines are usually used to drill holes in the mold. Drilling machines are machine tools that mainly use drill bits to process holes in workpieces. They are also the most common type of general-purpose machine tools. When in use, the rotation of the drill bit is the main motion, and the axial movement of the drill bit is the feed motion. Drilling machines have a simple structure and relatively low machining accuracy. They can drill through holes and blind holes. By changing special tools, they can also perform processes such as reaming, boring, or tapping. During drilling, the workpiece remains stationary while the cutting tool moves, aligning its center with the hole center and rotating (main motion). Drilling machines are essential equipment in machinery manufacturing and various repair shops, mainly including vertical drilling machines, bench drilling machines, radial drilling machines, deep hole drilling machines, center hole drilling machines, milling drilling machines, and horizontal drilling machines. Among them, the spindle of the vertical drilling machine is vertically arranged and its center position is fixed, making it suitable for machining holes in medium and small workpieces. The worktable and spindle box can be adjusted along the column guide rail to accommodate workpieces of different heights. Vertical drilling machines have a relatively simple structure, are easy to maintain, and also have advantages such as high precision, suitability for machining various holes, and ease of operation.

[0004] Chinese patent document CN220462301U discloses a fully automatic drilling device for drill pipe joints, including a support base, a track bracket, and a track. The track is fixed on the track bracket. The support base has an inclined platform. The track bracket is fixed to the left side of the platform. The track has a slidable bearing slide. The bearing slide has an asynchronous motor and a power head. The bottom of the power head has a drill bit. A feeding port is opened on the platform directly below the power head. A pneumatic feeding gate is hinged to the bottom of the feeding port. Hydraulic centering devices are provided on both sides of the feeding port. A feeding port is provided on the front side of the platform, and a receiving limit plate is provided on the rear side of the platform. The inner side of the track is provided with... The system includes a ball screw threadedly connected to the bearing slide; a servo motor fixed on the track support, which drives the bearing slide to move up and down on the track support; a quick-change tool holder fixed at the bottom of the power head, with the drill bit mounted on the power head via the quick-change tool holder, and the asynchronous motor driving the drill bit to drill; a transmission cylinder hinged to the bottom of the pneumatic discharge gate, which is flush with the table surface when closed; a cylinder fixed on the table surface, with a receiving limit plate fixed on the output shaft of the cylinder, the receiving limit plate facing the feed inlet, and the receiving limit plate moving back and forth between the cylinder and the feed inlet to receive material; and a buffer rail fixed at the bottom of the discharge port.

[0005] Before processing the workpiece, adjust the position of the hydraulic centering device and the limiting receiving plate according to the workpiece specifications to accommodate the workpiece. Then start the equipment, move the limiting receiving plate close to the feed port, and let the workpiece enter from the feed port. After the limiting receiving plate receives the workpiece, it resets. The hydraulic centering device pushes the workpiece to center and clamp it. Then the power head descends, the drill bit drills, and after drilling is completed, all devices reset, the unloading gate opens, the workpiece falls, and then the cycle repeats.

[0006] In the aforementioned technology, when the drill bit performs drilling on the workpiece, it generates a large amount of cutting chips. As the drill bit rotates continuously, the cutting chips rotate synchronously with the drill bit. When the cutting chips rotate, they rub against the workpiece surface, which can easily cause damage to the workpiece surface. At the same time, as the cutting chips rotate with the drill bit, they affect the drilling accuracy of the workpiece, resulting in poor drilling quality. Summary of the Invention

[0007] This invention provides a drilling device for mold manufacturing, aiming to solve the technical problems in the prior art where a large amount of cutting chips are generated when a drill bit performs drilling on a workpiece. When the drill bit rotates continuously, the cutting chips rotate synchronously with the drill bit. When the cutting chips rotate, they rub against the surface of the workpiece, which can easily cause damage to the surface of the workpiece. At the same time, the cutting chips affect the drilling accuracy of the workpiece during the rotation of the drill bit, resulting in poor drilling quality of the workpiece.

[0008] The present invention discloses a drilling device for mold manufacturing, comprising a frame, a drilling mechanism disposed on the frame, and a drill bit disposed on the drilling mechanism. A cutting device is disposed on the frame, comprising a fixed frame disposed on the drilling mechanism, a cutting frame disposed on the fixed frame for cutting cutting chips, and a guide frame rotatably fitted within the cutting frame. Both the cutting frame and the guide frame are sleeved on the drill bit. The inner wall of the guide frame abuts against the spiral groove of the drill bit. The cutting frame and the guide frame rotate in opposite directions. The guide frame is provided with a guide slope for guiding cutting chips to the cutting frame. The cutting chips generated during processing move along the guide slope towards the cutting frame. The cutting frame cuts the cutting chips during rotation.

[0009] Preferably, the cutting frame includes a rotating sleeve rotatably fitted onto a fixed frame and a cutting blade mounted on the inner wall of the rotating sleeve for cutting chips.

[0010] Preferably, the guide frame includes a movable sleeve rotatably fitted onto the rotating sleeve and a linkage plate disposed on the inner wall of the movable sleeve. One side of the linkage plate abuts against the spiral groove of the drill bit, and the guide inclined surface is disposed at the bottom of the movable sleeve.

[0011] Preferably, the drilling mechanism includes a drive member for rotating the drill bit, and a rotating device is provided on the drilling mechanism. The rotating device includes a rotating mechanism for rotating the cutting frame and a linkage mechanism connected to the drive member and for rotating the rotating mechanism.

[0012] Preferably, the rotating mechanism includes a rotating gear disk for driving the cutting frame to rotate and a telescopic rod arranged vertically, with one end of the telescopic rod connected to the rotating gear disk and the other end connected to the cutting frame.

[0013] Preferably, the linkage mechanism includes a fixed sleeve mounted on the housing of the drive component, a linkage assembly mounted on the output shaft of the drive component, and a rotating assembly mounted on the fixed sleeve for driving the rotating gear disk to rotate.

[0014] Preferably, the linkage assembly includes a linkage sleeve mounted on the output shaft of the drive component and a linkage gear plate mounted on the linkage sleeve, the linkage gear plate being used to drive the rotating assembly to rotate.

[0015] Preferably, the rotating assembly includes a rotating rod rotatably fitted onto a fixed sleeve and a rotating gear mounted on the rotating rod. The rotating gear is located between the linkage gear disk and the rotating gear disk, and both ends of the rotating gear mesh with the linkage gear disk and the rotating gear disk, respectively.

[0016] Preferably, the drilling mechanism is equipped with a driver for lifting and lowering the fixed frame. One end of the driver is connected to the fixed frame, and the other end is connected to the drilling mechanism.

[0017] Preferably, the mounting bracket has a reservoir for storing cutting fluid, and a supply hole for supplying fluid to the drill bit is provided near the drill bit. The reservoir and the supply hole are connected.

[0018] The beneficial effects of this invention are as follows:

[0019] 1. In this invention, by setting up a cutting device, when the drill bit is drilling a workpiece, the inner wall of the guide frame abuts against the spiral groove of the drill bit, and the cutting frame is rotatably fitted onto the fixed frame. This allows the drill bit to drive the guide frame to rotate synchronously on the fixed frame when it rotates. When the drill bit generates cutting chips during drilling, and the cutting chips gradually become longer as drilling progresses, the top of the cutting chips can move along the guide frame and along the guide slope towards the cutting frame. Since the cutting frame is located outside the guide frame, and the rotation direction of the cutting frame is opposite to that of the drill bit when it rotates, when the guide frame drives the cutting chips to the cutting frame, the rotating cutting frame can cut the cutting chips, reducing the friction between the cutting chips and the workpiece surface and preventing damage to the workpiece surface, thereby improving the drilling quality of the workpiece.

[0020] 2. In this invention, by setting up a linkage plate, one side of the linkage plate abuts against the spiral groove of the drill bit, so that the drill bit can drive the linkage plate to rotate synchronously during rotation, thereby driving the guide frame to rotate, and the cutting chips can move along the guide inclined surface and rotate.

[0021] 3. In this invention, by setting up a rotating device, when the driving component drives the drill bit to rotate, it can synchronously drive the linkage mechanism to move. The linkage mechanism drives the rotating mechanism to move, and the rotating mechanism drives the cutting frame to rotate. When the cutting frame rotates, it can cut the cutting chips on the guide frame, making the cutting of cutting chips more efficient and convenient, thereby improving the drilling quality of the workpiece.

[0022] 4. In this invention, by setting up a linkage component and a rotation component, when the driving component rotates, the output shaft of the driving component can drive the linkage component to rotate, the linkage component drives the rotation component to rotate, and the rotation component drives the rotating gear disk to rotate, so that the rotation direction of the rotating gear disk is opposite to the rotation direction of the output shaft of the driving component.

[0023] 5. In this invention, the driver is configured to drive the fixed frame to rise and fall, thereby driving the cutting device to rise and fall. At the same time, when the drill bit needs to be disassembled and replaced, the driver is activated to drive the cutting device to fall. After the guide frame slides down from the bottom of the drill bit, the drill bit can be easily replaced.

[0024] 6. In this invention, by setting up a liquid storage chamber and a liquid supply hole, when cutting fluid is added to the liquid storage chamber, the cutting fluid can be sprayed out through the liquid supply hole for use, thereby realizing convenient use of the cutting fluid. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0026] Figure 2 This is a partial cross-sectional view of the present invention, showing the connection relationship between the cutting frame and the guide frame.

[0027] Figure 3 yes Figure 2 A partial enlarged view of point A in the middle.

[0028] Figure 4 This is a structural schematic diagram illustrating the connection relationship between the movable sleeve and the baffle of the present invention.

[0029] Figure 5 This is a partial cross-sectional view of the present invention, showing the connection relationship between the liquid supply pipe and the fixing bracket.

[0030] Figure 6 This is a partial cross-sectional view of the present invention, showing the connection relationship between the sealing part and the movable sleeve.

[0031] Figure 7 This is a partial cross-sectional view illustrating the connection relationship between the linkage component and the rotation component of the present invention.

[0032] Figure 8 This is a structural schematic diagram illustrating the connection relationship between the waste discharge pipe and the fixing frame according to the present invention.

[0033] Figure label:

[0034] 1. Frame; 2. Drilling mechanism; 21. Drive component; 3. Drill bit; 4. Cutting device; 41. Fixed frame; 411. Liquid storage chamber; 412. Liquid supply hole; 42. Cutting frame; 421. Rotating sleeve; 422. Cutting blade; 43. Guide frame; 431. Guide slope; 432. Movable sleeve; 433. Linkage plate; 434. Sealing part; 5. Rotating mechanism; 51. Rotating gear plate; 52. Telescopic rod; 6. Linkage mechanism; 61. Fixed sleeve; 62. Linkage assembly; 621. Linkage sleeve; 622. Linkage gear plate; 63. Rotating assembly; 631. Rotating rod; 632. Rotating gear; 7. Driver; 8. Sealing gasket; 9. Baffle; 10. Waste discharge pipe; 11. Liquid supply pipe. Detailed Implementation

[0035] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0036] Reference Figures 1-8 This invention discloses a drilling device for mold manufacturing, comprising a frame 1, a drilling mechanism 2 mounted on the frame 1, a drill bit 3 mounted on the drilling mechanism 2, and a cutting device 4. The drilling mechanism 2 drives the drill bit 3 to rotate and move it vertically. The drill bit 3 has a helical structure. The frame 1 is equipped with a clamping table for holding the workpiece. The cutting device 4 cuts off the cutting chips generated during the cutting process of the drill bit 3. When drilling is required, the workpiece is first installed on the clamping table. Then, the drilling mechanism 2 is started, driving the drill bit 3 to rotate and descend towards the workpiece. The drill bit 3 drills the workpiece, and the cutting chips generated during drilling are cut off by the cutting device 4. This reduces friction between the cutting chips and the workpiece surface, preventing damage to the workpiece surface and improving the drilling quality. The workpiece is then processed further. After processing, the workpiece is removed from the clamping table, completing the drilling operation.

[0037] Reference Figure 1 , Figure 2 and Figure 3 The cutting device 4 includes a fixed frame 41 mounted on the drilling mechanism 2, a cutting frame 42 mounted on the fixed frame 41 for cutting cutting chips, and a guide frame 43 rotatably fitted within the cutting frame 42. During drilling of the workpiece by the drill bit 3, the guide frame 43 abuts against the spiral groove of the drill bit 3 through its inner wall. The cutting frame 42 is rotatably fitted onto the fixed frame 41, so that when the drill bit 3 rotates, it can drive the guide frame 43 to rotate synchronously on the fixed frame 41. When the drill bit 3 generates cutting chips during drilling, and as the cutting chips gradually lengthen during drilling, the top of the cutting chips can move along the guide frame 43. Since the cutting frame 42 is located outside the guide frame 43, and when the drill bit 3 rotates, the cutting chip... When the rotation direction of the frame 42 is opposite to that of the drill bit 3, the guide frame 43 drives the cutting chips to the cutting frame 42. The rotating cutting frame 42 can cut the cutting chips. The drilling mechanism 2 is equipped with a driver 7 for driving the fixed frame 41 to move up and down. The driver 7 is directly a hydraulic cylinder. One end of the driver 7 is fixedly connected to the fixed frame 41, and the other end of the driver 7 is fixedly connected to the drilling mechanism 2. When the drill bit 3 needs to be disassembled and replaced, the driver 7 is started, which can drive the fixed frame 41, the cutting frame 42 and the guide frame 43 to descend. After the guide frame 43 slides down from the bottom of the drill bit 3, the drill bit 3 is replaced. At the same time, the driver 7 drives the fixed frame 41 to descend, which can abut against the workpiece to perform drilling.

[0038] Reference Figure 1 , Figure 2 and Figure 5A sealing gasket 8 is installed at the bottom of the fixed frame 41 located at the drill bit 3. When the fixed frame 41 moves to the workpiece, the sealing gasket 8 is located between the fixed frame 41 and the workpiece. A reservoir 411 for storing cutting fluid is opened inside the fixed frame 41. Multiple supply holes 412 for supplying fluid to the drill bit 3 are opened near the fixed frame 41. The multiple supply holes 412 are evenly distributed around the fixed frame 41. The reservoir 411 is connected to the supply holes 412. A supply pipe 11 connected to the reservoir 411 is fixedly installed on the fixed frame 41. When fluid needs to be supplied, cutting fluid is first added to the supply pipe 11. The cutting fluid can reach the supply holes 412 through the reservoir 411 and be sprayed out for use after passing through the supply holes 412.

[0039] Reference Figure 2 , Figure 3 and Figure 5 Both the cutting frame 42 and the guide frame 43 are sleeved on the drill bit 3. The cutting frame 42 includes a rotating sleeve 421 rotatably fitted on the fixed frame 41 and a cutting blade 422 fixedly installed on the inner wall of the rotating sleeve 421 for cutting cutting chips. The cutting blade 422 is configured with an arc-shaped structure, combined with... Figure 8 The rotating sleeve 421 is configured with a U-shaped structure and has a receiving cavity for storing the used cutting fluid. The rotating sleeve 421 has a discharge hole (not shown in the figure) that is connected to the cavity of the fixed frame 41 near the drill bit 3. The fixed frame 41 is fixedly installed with a waste discharge pipe 10 that is connected to the discharge hole. When the used cutting fluid is sprayed out after passing through the liquid supply hole 412, it can flow from the top of the rotating sleeve 421 near the drill bit 3 into the receiving cavity, enter the fixed frame 41 through the discharge hole, and finally be discharged through the waste discharge pipe 10.

[0040] Reference Figure 3 , Figure 4 and Figure 5 The inner wall of the guide frame 43 abuts against the spiral groove of the drill bit 3. The cutting frame 42 rotates in the opposite direction to the guide frame 43. The guide frame 43 includes a movable sleeve 432 rotatably fitted onto the rotating sleeve 421 and a linkage plate 433 fixedly installed on the inner wall of the movable sleeve 432. The rotating sleeve 421 has a rotating groove, which is opened one revolution. A rotating plate rotatably fitted into the rotating groove is fixedly installed on the side of the movable sleeve 432. The bottom of the movable sleeve 432 has a guide slope 431 for guiding cutting chips to the cutting frame 42. The guide slope 431 is an arc-shaped slope and is inclined in the vertical upward direction away from the drill bit 3. The linkage plate 433 is an arc-shaped structure adapted to the drill bit 3. One side of the linkage plate 433 abuts against the spiral groove of the drill bit 3. Figure 6The top of the movable sleeve 432 is provided with a sealing part 434 to prevent cutting chips from entering the movable sleeve 432 from the top and getting wrapped around the drill bit 3. A baffle 9 is fixedly provided on the outer circumference of the movable sleeve 432. The baffle 9 is a rectangular plate, and there are two baffles 9. When the movable sleeve 432 moves the cutting chips, it can block the cutting chips. When the drill bit 3 rotates, it drives the linkage plate 433 and the movable sleeve 432 to rotate. The cutting chips generated during processing can move along the guide slope 431 to the cutting frame 42. The cutting frame 42 cuts the cutting chips during the rotation. When the drill bit 3 rotates, it can drive the cutting chips to the cutting frame 42. The linkage plate 433 rotates, which drives the movable sleeve 432 to rotate. When the movable sleeve 432 rotates inside the rotating sleeve 421, it can drive the baffle 9 and the sealing part 434 to rotate synchronously. Then, the drill bit 3 descends and rotates to drill the workpiece. During the drilling process, cutting chips are generated. As the workpiece continues to be processed, the cutting chips will extend upward and move along the guide slope 431. The movable sleeve 432 drives the cutting chips to move. At the same time, the cutting blade 422 can cut the cutting chips. The cut cutting chips can enter the receiving cavity, and after passing through the discharge hole into the fixed frame 41, they are discharged from the waste discharge pipe 10.

[0041] Reference Figure 1 and Figure 7 The drilling mechanism 2 includes a drive component 21 for rotating the drill bit 3. The drive component 21 is directly a motor. The output shaft of the drive component 21 is fixedly connected to the drill bit 3. When the drive component 21 is started, the output shaft of the drive component 21 can drive the drill bit 3 to rotate. The drilling mechanism 2 is provided with a rotating device for rotating the cutting frame 42. The rotating device includes a rotating mechanism 5 for rotating the cutting frame 42 and a linkage mechanism 6 connected to the drive component 21 for rotating the rotating mechanism 5. When the drive component 21 is working, it can drive the linkage mechanism 6 to move, thereby driving the rotating mechanism 5 to rotate. The rotating mechanism 5 drives the cutting frame 42 to rotate.

[0042] Among them, reference Figure 1 , Figure 2 and Figure 7 The rotating mechanism 5 includes a rotating gear 51 for driving the cutting frame 42 to rotate and a telescopic rod 52 arranged vertically, combined with Figure 8 The telescopic rod 52 is configured as an elastic telescopic structure. The telescopic rod 52 is set vertically. One end of the telescopic rod 52 is fixedly connected to the rotating gear disk 51, and the other end of the telescopic rod 52 is fixedly connected to the rotating sleeve 421 of the cutting frame 42. The rotating gear disk 51 is connected to the cutting frame 42 through the telescopic rod 52. When the drill bit 3 moves up and down, the height of the rotating gear disk 51 can be adjusted by the telescopic rod 52.

[0043] Reference Figure 1 , Figure 2 and Figure 7 The linkage mechanism 6 includes a fixed sleeve 61 fixedly mounted on the housing of the drive component 21, a linkage assembly 62 mounted on the output shaft of the drive component 21, and a rotating assembly 63 mounted on the fixed sleeve 61 for driving the rotating gear disk 51 to rotate. The linkage assembly 62 includes a linkage sleeve 621 fixedly mounted on the output shaft of the drive component 21 and a linkage gear disk 622 fixedly mounted on the linkage sleeve 621. Both the linkage sleeve 621 and the linkage gear disk 622 are located inside the fixed sleeve 61. The fixed sleeve 61 has a movable groove that runs around the inner wall of the fixed sleeve 61. A ring is fixedly mounted on the linkage sleeve 621 and rotates within the movable groove. The linkage sleeve 621 rotates within the fixed sleeve 61. When the drive component 21 rotates, the output shaft of the drive component 21 drives the drill bit 3 to rotate, which in turn drives the linkage sleeve 621 to rotate. The linkage sleeve 621 drives the ring to rotate and drives the linkage gear disk 622 to rotate within the movable groove of the fixed sleeve 61.

[0044] Reference Figure 1 , Figure 2 and Figure 7 The rotating assembly 63 has two sets. The rotating assembly 63 includes a rotating rod 631 that is rotatably fitted on the fixed sleeve 61 and a rotating gear 632 that is fixedly installed on the rotating rod 631. The rotating rod 631 is horizontally arranged and the rotating gear 632 is vertically arranged. The fixed sleeve 61 has a motion groove that runs around the inner wall of the fixed sleeve 61. The rotating gear 51 is rotatably fitted in the motion groove. The rotating gear 632 is located between the linkage gear 622 and the rotating gear 51, and both ends of the rotating gear 632 are respectively meshed with the linkage gear 622 and the rotating gear 51. When the drive component 21 rotates, its output shaft drives the drill bit 3 to rotate, which in turn drives the linkage sleeve 621 to rotate. The linkage sleeve 621 drives the linkage gear 622 to rotate, which in turn drives the rotating gear 632 and the rotating rod 631 to rotate. The rotating gear 632 drives the rotating gear 51 to rotate in the moving groove inside the fixed sleeve 61. At this time, the rotation direction of the rotating gear 51 is opposite to the rotation direction of the drill bit 3. When the rotating gear 51 rotates, it drives the telescopic rod 52 to rotate. The telescopic rod 52 drives the rotating sleeve 421 to rotate, thereby realizing the rotation of the cutting frame 42. At this time, the rotating sleeve 421 drives the cutting blade 422 to rotate, and the rotation direction of the cutting blade 422 is opposite to the rotation direction of the movable sleeve 432. When the movable sleeve 432 drives the cutting chips to the cutting blade 422, the cutting blade 422 can cut the cutting chips.

[0045] The implementation principle of the drilling device for mold manufacturing of the present invention is as follows: when drilling is required on the workpiece, the workpiece is first installed on the clamping table, then the drilling mechanism 2 is started, which drives the drill bit 3 to descend to the workpiece. At the same time, the driving component 21 is started. The output shaft of the driving component 21 drives the drill bit 3 to rotate. When the drill bit 3 rotates, it drives the linkage plate 433 to rotate. The linkage plate 433 drives the movable sleeve 432 to rotate.

[0046] When the drive component 21 rotates, the output shaft of the drive component 21 drives the drill bit 3 to rotate, and at the same time drives the linkage sleeve 621 to rotate, drives the linkage gear 622 to rotate, drives the rotating gear 632 and the rotating rod 631 to rotate, the rotating gear 632 drives the rotating gear 51 to rotate, the rotation direction of the rotating gear 51 is opposite to the rotation direction of the drill bit 3, when the rotating gear 51 rotates, it drives the telescopic rod 52 to rotate, the telescopic rod 52 drives the rotating sleeve 421 to rotate, the rotating sleeve 421 drives the cutting blade 422 to rotate, the rotation direction of the cutting blade 422 is opposite to the rotation direction of the movable sleeve 432;

[0047] Next, the drill bit 3 descends and rotates to drill the workpiece. During the drilling process, cutting chips are generated. As the workpiece continues to be processed, the cutting chips extend upward and move along the guide slope 431. The movable sleeve 432 drives the cutting chips to move. At the same time, the cutting blade 422 can cut the cutting chips. The cut cutting chips can enter the receiving cavity, and after passing through the discharge hole into the fixed frame 41, they are discharged from the pipe.

[0048] Meanwhile, during the drilling process, cutting fluid is added to the fluid supply pipe 11. After passing through the fluid storage chamber 411, the cutting fluid is delivered to the fluid supply hole 412, sprayed out through the fluid supply hole 412, and used. The used cutting fluid can flow from the top of the rotating sleeve 421 near the drill bit 3 into the receiving cavity, and enter the fixed frame 41 through the discharge hole, and finally be discharged through the waste discharge pipe 10.

[0049] The workpiece is then processed further. After processing is completed, the workpiece is removed from the clamping table, and the drilling operation on the workpiece is completed.

[0050] With the cutting device 4 in place, when the drill bit 3 is drilling a workpiece, the inner wall of the guide frame 43 abuts against the spiral groove of the drill bit 3, and the cutting frame 42 is rotatably fitted onto the fixed frame 41. This allows the drill bit 3 to rotate synchronously with the guide frame 43 on the fixed frame 41. When the drill bit 3 generates cutting chips during drilling, and the chips gradually become longer as drilling progresses, the top of the chips can move along the guide frame 43 and along the guide inclined surface 431 toward the cutting frame 42. Since the cutting frame 42 is located outside the guide frame 43, and the rotation direction of the cutting frame 42 is opposite to that of the drill bit 3, when the guide frame 43 moves the chips to the cutting frame 42, the rotating cutting frame 42 can cut the chips, reducing friction between the chips and the workpiece surface and preventing damage to the workpiece surface, thereby improving the drilling quality of the workpiece.

[0051] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A drilling device for mold manufacturing, comprising a drilling mechanism mounted on a frame and a drill bit mounted on the drilling mechanism, characterized in that, The frame is equipped with a cutting device, which includes a fixed frame mounted on the drilling mechanism, a cutting frame mounted on the fixed frame for cutting the cutting chips, and a guide frame rotatably fitted inside the cutting frame. Both the cutting frame and the guide frame are fitted onto the drill bit. The inner wall of the guide frame abuts against the spiral groove of the drill bit. The cutting frame and the guide frame rotate in opposite directions. The guide frame is provided with a guide slope for guiding the cutting chips to the cutting frame. The cutting chips generated during processing move along the guide slope towards the cutting frame. The cutting frame cuts the cutting chips during rotation. The cutting frame includes a rotating sleeve rotatably fitted onto a fixed frame and a cutting blade mounted on the inner wall of the rotating sleeve for cutting chips; The guide frame includes a movable sleeve that is rotatably fitted onto the rotating sleeve and a linkage plate disposed on the inner wall of the movable sleeve. One side of the linkage plate abuts against the spiral groove of the drill bit, and the guide inclined surface is disposed at the bottom of the movable sleeve. The top of the movable sleeve is provided with a sealing part to prevent cutting chips from entering the movable sleeve from the top and getting tangled on the drill bit; a baffle is fixedly provided on the outer circumference of the movable sleeve, which can block the cutting chips when the movable sleeve moves the cutting chips. The drilling mechanism includes a drive component for rotating the drill bit, and a rotating device is provided on the drilling mechanism. The rotating device includes a rotating mechanism for rotating the cutting frame and a linkage mechanism connected to the drive component for rotating the rotating mechanism. The rotating mechanism includes a rotating gear disk for driving the cutting frame to rotate and a telescopic rod arranged vertically. One end of the telescopic rod is connected to the rotating gear disk, and the other end is connected to the cutting frame. The linkage mechanism includes a fixed sleeve mounted on the housing of the drive component, a linkage assembly mounted on the output shaft of the drive component, and a rotating assembly mounted on the fixed sleeve for driving the rotating gear disk to rotate. The linkage assembly includes a linkage sleeve mounted on the output shaft of the drive component and a linkage gear plate mounted on the linkage sleeve. The linkage gear plate is used to drive the rotating assembly to rotate. The rotating assembly includes a rotating rod rotatably fitted onto a fixed sleeve and a rotating gear mounted on the rotating rod. The rotating gear is located between the linkage gear disk and the rotating gear disk, and both ends of the rotating gear mesh with the linkage gear disk and the rotating gear disk, respectively.

2. The drilling device for mold manufacturing according to claim 1, characterized in that, The drilling mechanism is equipped with a driver for lifting and lowering the fixed frame. One end of the driver is connected to the fixed frame, and the other end is connected to the drilling mechanism.

3. The drilling device for mold manufacturing according to claim 1, characterized in that, The mounting bracket has a reservoir for storing cutting fluid, and a supply hole for supplying fluid to the drill bit is located near the drill bit. The reservoir and the supply hole are connected.

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