A chip processing device and method for numerical control drilling and tapping machine

Abstract

The present invention relates to the technical field of machine tool iron chip processing, specifically a chip processing device and method for a numerically controlled drilling and tapping machine, comprising a machine tool table, a T-type worktable installed on the top surface of the machine tool table, a spindle chuck and a numerical control system arranged above the T-type worktable; a chip collecting frame is provided on the outside of the T-type worktable, and the chip collecting frame extends in the left and right directions, and a chip cleaning portion for reciprocatingly brushing the chips of the T-type worktable is arranged inside the chip collecting frame. The present invention covers the T-type worktable with a chip collecting frame to collect the chips, and arranges a chip cleaning portion on the chip collecting frame, starts a servo motor to drive the upper and lower linkage belts to rotate in opposite directions, and the two shifting columns alternately contact the movable rod to shift it to slide back and forth along the long side of the chip collecting frame; then a plurality of pairs of brushes are used to engage with the T-slot of the T-type worktable to brush out the chips, and then discharge them from the chip discharge port. This device discharges the chips cleanly and saves time.

Description

Technical Field

[0001] The invention relates to the technical field of machine tool iron chip processing, in particular to a chip processing device and method for a numerically controlled drilling and tapping machine. Background Art

[0002] CNC drilling machine is a kind of equipment mainly used for drilling, expanding holes, chamfering and other processing. It is mainly used in the engineering machinery industry of automobiles and molds, especially for some hardware parts with multiple holes that need to be processed. It adopts CNC system and has X, Y and Z axis limit functions.

[0003] During the drilling process, a CNC drilling machine generates long rolled iron chips, and granular chips also splash around and fall onto a T-shaped workbench. Usually, the chips are brushed off or blown off with an air gun after drilling. However, the T-shaped workbench has many narrow T-slots, and manual brushing is not only not clean but also wastes time. In addition, using an air gun to blow chips will cause splashing and mess up the ground, which still requires time to clean. Therefore, a chip processing device and method for a CNC drilling and tapping machine are provided. Summary of the invention

[0004] In order to overcome the defects in the prior art, the object of the present invention is to provide a chip processing device and method for a CNC drilling and tapping machine to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, on the one hand, the present invention provides a chip processing device for a CNC drilling and tapping machine, comprising a machine table, a T-shaped worktable installed on the top surface of the machine table, a spindle chuck and a CNC system arranged above the T-shaped worktable; a chip collecting frame is provided on the outside of the T-shaped worktable, and the chip collecting frame extends in the left and right directions, and a chip cleaning part for reciprocatingly cleaning the chips of the T-shaped worktable is provided inside the chip collecting frame;

[0006] The chip cleaning part includes a chip cleaning frame arranged between the long sides of the chip collecting frame, a pair of supporting rods for guiding the chip cleaning frame to slide along the long sides of the chip collecting frame, a pair of linkage belts arranged directly below the supporting rods and used to alternately move the chip cleaning frame back and forth, and a power group for driving the upper and lower linkage belts to perform opposite cyclic movements; the chip cleaning frame includes a movable rod that is clamped and slidably engaged with the top of the chip collecting frame, a number of brush rods suspended directly below the movable rod, a brush sleeve elastically sleeved on the outside of the brush rod, and a pair of brush sheets clamped on both sides of the bottom end of the brush rod; the several brush sleeves are arranged in side-by-side contact and bounce up and down along the brush rod, and slide and brush the chips along the top surface of the T-shaped worktable, and each pair of brush sheets is clamped and slid with a T-slot of the T-shaped worktable; a bayonet that is adapted to be clamped and engaged with the T-shaped worktable is provided in the middle of the chip collecting frame, and chip discharge openings are provided on the bottom surfaces of the left and right ends of the chip collecting frame;

[0007] The power group includes two pairs of pulleys sleeved on the two ends of the two linkage belts, a servo motor coaxially connected to the upper and lower pairs of pulleys, and a transmission gear for adjusting the upper and lower pulleys to rotate in opposite directions; the two ends of the movable rod are sleeved and slid on the support rod, and springs are sleeved on both ends of the support rod; the two ends of the movable rod are provided with shifting posts facing outward, and the outer side of the linkage belt is vertically provided with shifting teeth overlapping the shifting posts, when one of the shifting teeth pushes the movable rod to one end of the chip collecting frame, it is separated from the shifting post, and under the spring rebound at this end, the other shifting tooth overlaps the shifting post and pushes the movable rod to move back and forth.

[0008] As a further improvement of the technical solution, the bottom surface of the movable rod is vertically provided with hanging rods at equal intervals. The interior of the brush rod is a hollow structure and is sleeved with the hanging rod for limited sliding. A folding spring sheet is provided between the hanging rod and the brush rod, and the brush rod bounces up and down outside the hanging rod.

[0009] As a further improvement of the present technical solution, the brush sleeve is made of stainless steel and has a square ring structure, and the two inner sides of the top are fixedly connected with spring-loaded sheets, the spring-loaded sheet is N-shaped, and the two vertical sides are respectively fixedly connected to the inner side of the spring-loaded sheet and the outer side of the brush rod, and when the brush rod passes through the T-shaped workbench, the brush sleeve slides along the slope of the T-shaped workbench port to the top surface, and several brush sleeves are arranged side by side to brush away the debris on the top surface of the T-shaped workbench.

[0010] As a further improvement of the technical solution, two brush blocks are symmetrically provided on both sides of the bottom end of the brush rod, and the brush blocks are snap-fitted with the brush pieces and snap-fitted and slidably adapted with the T-slots of the T-shaped workbench, and the outer surface of the brush piece is provided with a steel wire strip.

[0011] As a further improvement of the technical solution, both ends of the movable rod are fixedly connected with a wall brush tube, the wall brush tube is slidably connected to the inner side of the long side of the chip collecting frame, and a push rod is provided in the sliding sleeve at the bottom end of the wall brush tube. The upper end of the push rod is connected with a tension spring, and the upper end of the tension spring is fixedly connected to the top end of the wall brush tube.

[0012] As a further improvement of the technical solution, a wheel frame is coaxially connected to the central axis of the upper and lower pulleys, and round blocks are sleeved on the upper, middle and lower parts of the wheel frame and the round blocks are fixedly connected to the outer wall of the chip collecting frame. The servo motor is fixedly connected to the outer wall of the chip collecting frame and two end gears are spaced apart above its output shaft. The end gear located at the bottom is coaxially connected to the servo motor, and the end gear located at the top is fixedly connected to the top of the wheel frame; the two end gears are arranged opposite to each other and mesh with the transmission gear; a belt is sleeved between the pulley and the end gear at the same height.

[0013] As a further improvement of the present technical solution, chip collecting parts for temporarily storing residual chips of the T-shaped worktable are provided at the bottom of the left and right sides of the chip collecting frame; concave chip storage cavities are provided at the left and right ends of the chip collecting frame, the chip discharge port is located at the bottom surface of the chip storage cavity near the outer end and extends to the long side of the chip collecting frame, and a pair of jackets are provided on the bottom surface of the chip collecting frame and on both sides of the chip discharge port; the chip collecting part includes a chip collecting pipe connected to the pair of jackets and a liquid drainage pipe connected to the chip collecting pipe; a chip feed port is provided on the top surface of the chip collecting pipe and along its axial direction, and the chip feed port and the chip discharge port are arranged opposite to each other.

[0014] As a further improvement of the present technical solution, a drainage port connected to a drainage pipe is provided at the bottom of the rear end of the chip collecting tube, the drainage pipe is suspended from the rear side of the chip collecting frame, and an inverted L-shaped pull handle is provided at the front end of the chip collecting tube, and the bottom end surface of the pull handle is flush with the bottom of the chip collecting tube.

[0015] As a further improvement of the technical solution, the inner port of the liquid discharge port is rotatably connected with a sealing block, and the top side wall of the sealing block is rotatably plugged with the side wall of the chip collecting tube through a pin.

[0016] On the other hand, the present invention provides a method for processing waste chips of a numerically controlled drilling and tapping machine, using the waste chips processing device of the numerically controlled drilling and tapping machine, comprising the following steps:

[0017] S1. After the drilling is completed, the long iron chips falling into the chip collecting frame are removed by using the fire tongs and shovel;

[0018] S2, then start the servo motor to drive the upper and lower linkage belts to rotate in opposite directions, and the two shifting posts alternately contact the movable rod to shift it to slide back and forth along the long side of the chip collecting frame;

[0019] S3, during the reciprocating motion of the movable rod, a plurality of brush rods are elastically suspended by a plurality of suspension rods and slide against the bottom surface of the chip collecting frame and the top surface of the T-shaped worktable, and a plurality of pairs of brush plates are connected with the T-shaped slots of the T-shaped worktable to brush out the residual chips, and then discharge them from the chip discharge port;

[0020] S4, the residual chips fall from the chip discharge port and the chip feed port to the chip collecting tube for storage, while the cutting fluid sprayed during drilling is discharged from the discharge port and the discharge pipe;

[0021] S5. Pull out the chip collecting tube to pour out the residual chips, and insert it back to the bottom of the chip collecting frame for continued use.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The chip processing device and method of the CNC drilling and tapping machine collects chips by covering the T-shaped worktable with a chip collecting frame, and a chip cleaning part is provided on the chip collecting frame. The servo motor is started to drive the upper and lower linkage belts to rotate in opposite directions, and the two shifting columns alternately contact the movable rod to shift it to slide back and forth along the long side of the chip collecting frame; a plurality of pairs of brushes are connected with the T-slot of the T-shaped worktable to brush out the chips, and then the chips are discharged from the chip discharge port. This device discharges the chips cleanly and saves time.

[0024] 2. The chip processing device and method of the CNC drilling and tapping machine, through the chip collection part, the chips fall from the chip discharge port and the chip feed port into the chip collecting tube for storage, and the cutting fluid sprayed during drilling is discharged from the discharge port and the discharge tube; then the chip collecting tube is pulled out to pour out the chips, and is inserted back into the bottom of the chip collecting frame for continued use, making the storage and dumping of chips convenient and worry-free.

[0025] 3. The chip processing device and method of the CNC drilling and tapping machine suspends the chip collecting tube by a pair of jackets so that the chips can be taken out and the chip storage can be installed at any time; the chip collecting tube is taken out by pulling the handle, and when the chip collecting tube is placed on the ground, the handle touches the ground to prevent the chip collecting tube from spilling chips after rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings described herein are only for explanation purposes and are not intended to limit the scope of the present invention in any way. In addition, the shapes and proportional dimensions of the various components in the drawings are only schematic, used to help understand the present invention, and are not specifically limited to the shapes and proportional dimensions of the various components of the present invention. Those skilled in the art, under the guidance of the present invention, select various possible shapes and proportional dimensions to implement the present invention according to specific circumstances.

[0027] Figure 1 It is a schematic diagram of the overall assembly structure of the present invention;

[0028] Figure 2 For the present invention Figure 1 The main view;

[0029] Figure 3 For the present invention Figure 1 A top view of

[0030] Figure 4 It is a schematic diagram of the assembly structure of the chip collecting frame, the chip cleaning part and the chip collecting part of the present invention;

[0031] Figure 5 It is a schematic diagram of the assembly structure of the chip cleaning part and the chip collecting part of the present invention;

[0032] Figure 6 It is a schematic diagram of the assembly structure of the chip cleaning part of the present invention in the chip cleaning state;

[0033] Figure 7It is a side view of the chip cleaning part and the T-shaped workbench of the present invention;

[0034] Figure 8 This is a disassembled diagram of the chip cleaning rack and the T-shaped workbench of the present invention;

[0035] Fig. 9 It is a structural schematic diagram of the brush cover and brush sheet of the present invention in a combined state;

[0036] Fig.10 It is a disassembled diagram of the support rod, linkage belt and power group of the present invention;

[0037] Fig.11 It is a front view of the power pack of the present invention in an assembled state;

[0038] Fig.12 It is a partial disassembly diagram of the power group of the present invention;

[0039] Fig.13 This is a disassembled diagram of the chip collecting portion of the present invention;

[0040] The meaning of each number in the figure is:

[0041] 100, machine tool table; 110, T-type workbench; 120, chip collecting frame; 121, bayonet; 122, chip storage chamber; 123, chip discharge port; 124, jacket;

[0042] 200, chip cleaning unit; 210, chip cleaning frame; 211, movable rod; 2111, suspension rod; 2112, lever column; 2113, folding spring sheet; 212, brush rod; 2121, brush block; 213, brush sleeve; 214, brush sheet; 215, spring pressure sheet; 216, brush wall tube; 217, push rod;

[0043] 220, support rod; 221, spring; 230, linkage belt; 231, shifting gear; 240, power group; 241, pulley; 2411, wheel frame; 2412, belt; 242, servo motor; 2421, end gear; 243, transmission gear;

[0044] 300. Chip collecting part; 310. Chip collecting pipe; 311. Chip inlet; 312. Drainage port; 313. Sealing block; 314. Pull handle; 320. Drainage pipe. DETAILED DESCRIPTION

[0045] The details of the present invention can be more clearly understood by combining the accompanying drawings with the description of the specific embodiments of the present invention. However, the specific embodiments of the present invention described herein are only used for the purpose of explaining the present invention and cannot be understood as limiting the present invention in any way. Under the guidance of the present invention, the technical personnel's conception is based on any possible variation of the present invention, which should be regarded as belonging to the scope of the present invention. The terms "installation" and "connection" should be understood in a broad sense, which means direct connection and indirect connection through an intermediate medium.

[0046] The terms "central axis", "vertical", "horizontal", "front", "back", "up", "down", "left", "right", "top", "bottom", "inside", "outside" and the like used herein to indicate positions or positional relationships are based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the equipment or elements 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, in the description of the present invention, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0047] See also Figure 1-Figure 13 As shown, the present invention provides a chip processing device for a CNC drilling and tapping machine, comprising a machine table 100, a T-shaped worktable 110 installed on the top surface of the machine table 100, a spindle chuck and a CNC system arranged above the T-shaped worktable 110, all of which are prior arts and will not be described in detail here; a chip collecting frame 120 is sleeved on the outside of the T-shaped worktable 110, and the chip collecting frame 120 extends in the left and right directions, and the chip collecting frame 120 is used to collect iron chips generated during drilling processing; a chip cleaning part 200 is arranged inside the chip collecting frame 120 for reciprocatingly brushing the chips of the T-shaped worktable 110, which is used to replace manual brushing or blowing away with an air gun;

[0048] The chip cleaning part 200 includes a chip cleaning frame 210 disposed between the long sides of the chip collecting frame 120, a pair of supporting rods 220 for guiding the chip cleaning frame 210 to slide along the long sides of the chip collecting frame 120, a pair of linkage belts 230 disposed directly below the supporting rods 220 and used to alternately move the chip cleaning frame 210 back and forth, and a power group 240 for driving the upper and lower linkage belts 230 to perform opposite cyclic motions;

[0049] The chip cleaning frame 210 includes a movable rod 211 that is slidably engaged with the top of the chip collecting frame 120, a plurality of brush rods 212 suspended directly below the movable rod 211, a brush sleeve 213 elastically sleeved on the outside of the brush rod 212, and a pair of brush pieces 214 engaged with both sides of the bottom end of the brush rod 212; the plurality of brush sleeves 213 are arranged in contact with each other side by side and bounce up and down along the brush rod 212 to slide along the top surface of the T-shaped workbench 110 to brush the chips; each pair of brush pieces 214 is connected to a T-shaped workbench 110, and each pair of brush pieces 214 is connected to a T-shaped workbench 110. The slot is snap-fitted and slides to clean the chips in the slot of the T-shaped worktable 110; a snap-fit ​​socket 121 is provided in the middle of the chip collecting frame 120 to fit the T-shaped worktable 110, so that the chip collecting frame 120 can stably catch the iron chips as the T-shaped worktable 110 moves; chip discharge ports 123 are provided on the bottom surfaces of the left and right ends of the chip collecting frame 120, and when the movable rod 211 moves to the left and right ends of the chip collecting frame 120, the chips on the T-shaped worktable 110 are brushed to the chip discharge ports 123 for discharge.

[0050] In addition, the power group 240 includes two pairs of pulleys 241 sleeved at both ends of the two linkage belts 230, a servo motor 242 coaxially connected to the upper and lower pairs of pulleys 241, and a transmission gear 243 for adjusting the upper and lower pulleys 241 to rotate in opposite directions; the linkage belts 230 are rubber belts, and the two linkage belts 230 are tightened by the two pairs of pulleys 241; the two ends of the movable rod 211 are sleeved and slidably connected with the supporting rod 220, and the two ends of the supporting rod 220 are sleeved with springs 221 for rebounding the movable rod 211 to contact and move with the linkage belt 230;

[0051] The movable rod 211 is provided with shifting posts 2112 at both ends facing outward, and shifting teeth 231 overlapping with the shifting posts 2112 are vertically provided on the outer side of the linkage belt 230. When one of the shifting teeth 231 pushes the movable rod 211 to one end of the chip collecting frame 120, it is separated from the shifting post 2112. Under the rebound of the spring 221 at this end, the shifting post 2112 approaches the side of the linkage belt 230, and the other shifting tooth 231 overlaps with the shifting post 2112 to push the movable rod 211 to move back and forth, that is, through the opposite circular motion of the two linkage belts 230, the movable rod 211 is alternately shifted at both ends of the support rod 220 to move back and forth between the long sides of the chip collecting frame 120, thereby brushing away the chips on the T-shaped workbench 110, avoiding the unclean and time-consuming manual brushing, and avoiding the situation where the chips are blown everywhere by an air gun.

[0052] Furthermore, the bottom surface of the movable rod 211 is vertically provided with hanging rods 2111 at equal intervals. The interior of the brush rod 212 is a hollow structure and is sleeved with the hanging rod 2111 for limited sliding. A waist-shaped hole is opened on the side of the hanging rod 2111. A pin is inserted through the top of the brush rod 212 and the pin passes through the waist-shaped hole to prevent the brush rod 212 from falling off; a folding spring piece 2113 is arranged between the hanging rod 2111 and the brush rod 212, and the brush rod 212 bounces up and down outside the hanging rod 2111, so that the brush rod 212 is always pressed and slides on the top surface of the T-shaped workbench 110 to brush away debris.

[0053] Furthermore, the brush cover 213 is made of stainless steel and has a square ring structure, and the two inner sides of the top thereof are fixedly connected with spring-pressing sheets 215, and the spring-pressing sheets 215 are made of spring steel and are N-shaped, and the two vertical sides thereof are respectively fixedly connected to the inner side of the spring-pressing sheet 215 and the outer side of the brush rod 212, or welded or bonded, so that the brush cover 213 contacts the brush sheet 214 under the rebound force of the spring-pressing sheet 215, forming a large area of ​​brushing surface;

[0054] When the brush rod 212 passes through the T-shaped workbench 110, the brush sleeve 213 slides along the slope of the port of the T-shaped workbench 110 to the top surface so as to be separated from the brush sheet 214. Then, several brush sleeves 213 brush away the debris on the top surface of the T-shaped workbench 110 side by side, and the brush sheet 214 passes through the T-slot of the T-shaped workbench 110 to brush away the debris.

[0055] Furthermore, two brush blocks 2121 are symmetrically provided on both sides of the bottom end of the brush rod 212, and the brush blocks 2121 are snap-fitted with the brush sheet 214 and snap-fitted and slidably adapted with the T-slot of the T-shaped workbench 110. The inner side surface of the brush sheet 214 is either glued or welded to the brush blocks 2121, and the outer surface of the brush sheet 214 is provided with a steel wire strip to brush clean the debris in the T-slot.

[0056] In addition, both ends of the movable rod 211 are fixedly connected with a wall brush tube 216, and the wall brush tube 216 is slidably connected to the inner side surface of the long side of the chip collecting frame 120 so as to scrape off the debris on the inner side surface of the chip collecting frame 120; the bottom end of the wall brush tube 216 is provided with a push rod 217 in the sliding sleeve, and the upper end of the push rod 217 is connected to a tension spring, and the upper end of the tension spring is fixedly connected to the top end of the wall brush tube 216. The push rod 217 is always pressed to slide on the chip collecting frame 120 and the T-shaped workbench 110, thereby brushing clean the debris near the edge corners of the chip collecting frame 120.

[0057] Specifically, a wheel frame 2411 is coaxially connected to the central axis of the upper and lower pulleys 241, and round blocks are sleeved on the upper, middle and lower parts of the wheel frame 2411, and the round blocks are fixedly connected to the outer wall of the chip collecting frame 120. The servo motor 242 is fixedly connected to the outer wall of the chip collecting frame 120, and two end gears 2421 are arranged above its output shaft at intervals. The end gear 2421 located at the bottom is coaxially connected to the servo motor 242, and the end gear 2421 located at the top is fixedly connected to the top of the wheel frame 2411. A straight rod is extended from one side of the top of the wheel frame 2411, and the straight rod is sleeved with the central axis of the end gear located at the top;

[0058] The two end face gears 2421 are arranged opposite to each other and mesh with the transmission gear 243. The central axis of the transmission gear 243 is arranged horizontally and is sleeved with a vertical tube. This vertical tube is sleeved with the central axis ends of the two end face gears 2421, so that the transmission gear 243 is stably placed between the two end face gears 2421 to transmit motion, so that the two end face gears 2421 move in opposite directions; a belt 2412 is sleeved between the pulley 241 and the end face gear 2421 at the same height.

[0059] In addition, the bottom of the left and right sides of the chip collecting frame 120 are provided with chip collecting parts 300 for temporarily storing the residual chips of the T-shaped workbench 110; the left and right ends of the chip collecting frame 120 are provided with concave chip storage chambers 122, and the chip discharge openings 123 are located at the bottom surface of the chip storage chamber 122 near the outer end and extend to the long side of the chip collecting frame 120. A pair of jackets 124 are provided on the bottom surface of the chip collecting frame 120 and on both sides of the chip discharge openings 123;

[0060] The chip collecting part 300 includes a chip collecting pipe 310 which is sleeved with a pair of jackets 124 and a liquid discharge pipe 320 which is sleeved with the chip collecting pipe 310; a chip feed port 311 is provided on the top surface of the chip collecting pipe 310 and along its axial direction, and the chip feed port 311 is arranged opposite to the chip discharge port 123. The chip collecting pipe 310 is suspended by a pair of jackets 124 so that the chips can be taken out and the chip storage can be installed at any time.

[0061] Furthermore, a drainage port 312 connected to the drainage pipe 320 is provided at the bottom of the rear end of the chip collecting tube 310, and the drainage pipe 320 is suspended from the rear side of the chip collecting frame 120, so that the chip collecting tube 310 can be successfully docked with the drainage pipe 320 when inserted into the jacket 124; an inverted L-shaped pull handle 314 is provided at the front end of the chip collecting tube 310, and the bottom end surface of the pull handle 314 is flush with the bottom of the chip collecting tube 310, and the chip collecting tube 310 is taken out by pulling the pull handle 314, and when the chip collecting tube 310 is placed on the ground, the pull handle 314 touches the ground to prevent the chip collecting tube 310 from spilling chips after rotating.

[0062] Furthermore, the inner port of the drain port 312 is rotatably connected to a sealing block 313, and the top side wall of the sealing block 313 is rotatably connected to the side wall of the chip collecting tube 310 through a pin, so that when the drain tube 320 is inserted into the drain port 312, the sealing block 313 can be pushed open and turned up. At the same time, when the chip collecting tube 310 is taken out, the sealing block 313 automatically falls down under the weight of the chips and blocks the drain port 312, so that no chips leak out when the chip collecting tube 310 is taken out.

[0063] The present invention also provides a method for processing waste chips of a numerically controlled drilling and tapping machine, using the waste chips processing device of the numerically controlled drilling and tapping machine, comprising the following steps:

[0064] S1, after the drilling is completed, the long iron chips falling into the chip collecting frame 120 are taken out by using the fire tongs and the shovel, so that the granular chips are left;

[0065] S2, then start the servo motor 242 to drive the upper and lower linkage belts 230 to rotate in opposite directions, and the two shifting pins 2112 alternately contact the movable rod 211 to shift it to slide back and forth along the long side of the chip collecting frame 120;

[0066] S3, during the reciprocating motion of the movable rod 211, the plurality of brush rods 212 are elastically suspended by the plurality of suspension rods 2111 and slide against the bottom surface of the chip collecting frame 120 and the top surface of the T-shaped workbench 110, and the plurality of pairs of brush pieces 214 are engaged with the T-shaped slots of the T-shaped workbench 110 to brush out the residual chips, and then discharge them from the chip discharge port 123;

[0067] S4, the residual chips fall from the chip discharge port 123 and the chip feed port 311 to the chip collecting tube 310 for storage, and the cutting fluid sprayed during drilling is discharged from the liquid discharge port 312 and the liquid discharge tube 320;

[0068] S5, pull out the chip collecting tube 310 to pour out the residual chips, and insert it back to the bottom of the chip collecting frame 120 for continued use.

[0069] It should be noted that the above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A chip processing device for a numerically controlled drilling and tapping machine, comprising a machine tool table (100), a T-shaped workbench (110) mounted on the top surface of the machine tool table (100), a spindle chuck arranged above the T-shaped workbench (110), and a numerical control system; characterized in that: The T-shaped workbench (110) is provided with a chip collecting frame (120) on the outside, and the chip collecting frame (120) extends in a left-right direction, and the chip collecting frame (120) is provided with a chip cleaning portion (200) for reciprocatingly cleaning the residual chips of the T-shaped workbench (110); The chip cleaning section (200) comprises a chip cleaning frame (210) arranged between the long sides of the chip collecting frame (120), a pair of supporting rods (220) for guiding the chip cleaning frame (210) to slide along the long sides of the chip collecting frame (120), a pair of linkage belts (230) arranged directly below the supporting rods (220) and used for alternately moving the chip cleaning frame (210) to reciprocate, and a power group (240) for driving the upper and lower linkage belts (230) to perform opposite cyclic motions; the chip cleaning frame (210) comprises a movable rod (211) that is slidably engaged with the top end of the chip collecting frame (120), and a plurality of brushes suspended directly below the movable rod (211). A rod (212), a brush sleeve (213) elastically sleeved on the outside of the brush rod (212), and a pair of brush plates (214) clamped on both sides of the bottom end of the brush rod (212); a plurality of brush sleeves (213) are arranged in contact with each other side by side and bounce up and down along the brush rod (212), and brush chips slide along the top surface of the T-shaped workbench (110), and each pair of brush plates (214) is clamped and slid with a T-shaped slot of the T-shaped workbench (110); a clamping port (121) adapted to be clamped with the T-shaped workbench (110) is provided in the middle of the chip collecting frame (120), and chip discharge ports (123) are provided at the bottom surfaces of the left and right ends of the chip collecting frame (120); The power group (240) comprises two pairs of pulleys (241) sleeved on both ends of the two linkage belts (230), a servo motor (242) coaxially connected to the upper and lower pairs of pulleys (241), and a transmission gear (243) used to adjust the upper and lower pulleys (241) to rotate in opposite directions; the two ends of the movable rod (211) are sleeved and slidably connected to the support rod (220), and the two ends of the support rod (220) are sleeved with springs (221); the movable rod (211) Two ends of the linkage belt (230) are provided with shifting posts (2112) facing outwards, and shifting teeth (231) overlapped with the shifting posts (2112) are vertically provided on the outer side of the linkage belt (230), and when one of the shifting teeth (231) pushes the movable rod (211) to reach one end of the chip collecting frame (120), it separates from the shifting post (2112), and under the rebound of the spring (221) at this end, the other shifting tooth (231) overlaps with the shifting post (2112) and pushes the movable rod (211) to move back and forth; The bottom surface of the movable rod (211) is vertically provided with suspension rods (2111) at equal intervals; the interior of the brush rod (212) is a hollow structure and is sleeved with the suspension rod (2111) for limited sliding; a folding spring sheet (2113) is provided between the suspension rod (2111) and the brush rod (212); the brush rod (212) bounces up and down outside the suspension rod (2111); The brush sleeve (213) is made of stainless steel and has a square ring structure. Both inner sides of the top of the brush sleeve are fixedly connected to spring plates (215). The spring plates (215) are N-shaped and both vertical sides are fixedly connected to the inner side of the spring plates (215) and the outer side of the brush rod (212). When the brush rod (212) passes through the T-shaped workbench (110), the brush sleeve (213) slides along the slope of the port of the T-shaped workbench (110) to the top surface. Then, a plurality of brush sleeves (213) are arranged side by side to clean the debris on the top surface of the T-shaped workbench (110). Two brush blocks (2121) are symmetrically provided on both sides of the bottom end of the brush rod (212), and the brush blocks (2121) are engaged with the brush sheet (214) and are engaged and slidably engaged with the T-slot of the T-shaped workbench (110), and the outer surface of the brush sheet (214) is provided with a steel wire strip; The bottom of the left and right sides of the chip collecting frame (120) are both provided with a chip collecting portion (300) for temporarily storing the residual chips of the T-shaped workbench (110); the left and right ends of the chip collecting frame (120) are provided with a concave chip storage cavity (122); the chip discharge port (123) is located at the bottom surface of the chip storage cavity (122) near the outer end and extends to the long side of the chip collecting frame (120); the bottom surface of the chip collecting frame (120) and both sides of the chip discharge port (123) are provided with a pair of jackets (124); the chip collecting portion (300) comprises a chip collecting pipe (310) sleeved with the pair of jackets (124) and a liquid discharge pipe (320) sleeved with the chip collecting pipe (310); the top surface of the chip collecting pipe (310) and along its axial direction are provided with a chip feed port (311), and the chip feed port (311) is arranged opposite to the chip discharge port (123).

2. The chip processing device of the CNC drilling and tapping machine according to claim 1, characterized in that: Both ends of the movable rod (211) are fixedly connected to a wall brush tube (216), the wall brush tube (216) is slidably connected to the inner side surface of the long side of the chip collecting frame (120), a push rod (217) is slidably sleeved inside the bottom end of the wall brush tube (216), the upper end of the push rod (217) is connected to a tension spring, and the upper end of the tension spring is fixedly connected to the top end of the wall brush tube (216).

3. The chip processing device of the CNC drilling and tapping machine according to claim 2, characterized in that: A wheel frame (2411) is coaxially connected to the central axes of the upper and lower pulleys (241), and round blocks are sleeved on the upper, middle and lower parts of the wheel frame (2411), and the round blocks are fixedly connected to the outer wall of the chip collecting frame (120). The servo motor (242) is fixedly connected to the outer wall of the chip collecting frame (120), and two end face gears (2421) are arranged above its output shaft at intervals, the end face gear (2421) located at the bottom is coaxially connected to the servo motor (242), and the end face gear (2421) located at the top is fixedly connected to the top of the wheel frame (2411); the two end face gears (2421) are arranged opposite to each other and mesh with the transmission gear (243); and a belt (2412) is sleeved between the pulleys (241) and the end face gears (2421) at the same height.

4. The chip processing device of the CNC drilling and tapping machine according to claim 3 is characterized in that: The rear end bottom of the chip collecting tube (310) is provided with a drainage port (312) plugged into the drainage tube (320); the drainage tube (320) is suspended from the rear side of the chip collecting frame (120); the front end of the chip collecting tube (310) is provided with an inverted L-shaped pull handle (314); and the bottom end surface of the pull handle (314) is flush with the bottom of the chip collecting tube (310).

5. The chip processing device of the CNC drilling and tapping machine according to claim 4, characterized in that: The inner end of the liquid discharge port (312) is rotatably connected to a sealing block (313), and the top side wall of the sealing block (313) is plugged and rotatably connected to the side wall of the chip collecting pipe (310) via a pin.

6. A method for processing waste chips of a numerically controlled drilling and tapping machine, using the waste chips processing device of the numerically controlled drilling and tapping machine according to claim 5, characterized in that: The following steps are involved: S1, after the drilling is completed, the long iron chips falling into the chip collecting frame (120) are removed by using a fire tong and a shovel; S2, then starting the servo motor (242) to drive the upper and lower linkage belts (230) to rotate in opposite directions, so that the two shifting pins (2112) alternately contact the movable rod (211) to shift it to slide back and forth along the long side of the chip collecting frame (120); S3, during the reciprocating motion of the movable rod (211), a plurality of brush rods (212) are elastically suspended by a plurality of suspension rods (2111) and are in sliding contact with the bottom surface of the chip collecting frame (120) and the top surface of the T-shaped worktable (110), and a plurality of pairs of brush plates (214) are engaged with the T-shaped slots of the T-shaped worktable (110) to brush out the residual chips, which are then discharged from the chip discharge port (123); S4, the residual chips fall from the chip discharge port (123) and the chip feed port (311) into the chip collecting tube (310) for storage, while the cutting fluid sprayed during drilling is discharged from the liquid discharge port (312) and the liquid discharge tube (320); S5, pull out the chip collecting tube (310) again to pour out the residual chips, and insert it back into the bottom of the chip collecting frame (120) for continued use.

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