CN209902788U

CN209902788U - Novel tapping machine

Info

Publication number: CN209902788U
Application number: CN201920298704.XU
Authority: CN
Inventors: 伍朝辉
Original assignee: Ji'an Chuangstar Space Technology Co Ltd
Current assignee: Ji'an Chuangstar Space Technology Co Ltd
Priority date: 2019-03-09
Filing date: 2019-03-09
Publication date: 2020-01-07
Anticipated expiration: 2029-03-09

Abstract

The utility model provides a novel attack tooth machine, including the supporting cabinet, the supporting foot seat, L type scute, horizontal backup pad, top gusset plate, adjustable attack the tight seat structure in tooth equipment top, the sweeps shield cover structure of convenient regulation, the sweeps clearance of measurable diameter strikes off excellent structure, support column, U type slide bar, electric telescopic handle, controller attack the tooth supporting seat, attack the tooth motor and attack the tooth drill bit. The shielding cover of the utility model adopts an arc PVC plastic cover; the scrap collecting tray is a PVC plastic tray with an opening at the upper part, and is beneficial to collecting waste silk generated in the tapping process; the arrangement of the longitudinal supporting rod, the tightening screw lever, the adjusting hand wheel and the tightening block is beneficial to adjusting, clamping and fixing the workpiece to be processed according to the requirement, and the use convenience is improved; the setting of magnet post, fixed cassette and clearance brush hair is favorable to clearing up the inside of drilling screw thread, can adsorb the sweeps that the processing produced.

Description

Novel tapping machine

Technical Field

The utility model belongs to the technical field of mechanical equipment, especially, relate to a novel tapping machine.

Background

With the development of times, mechanization is more and more common, and the drilling and tapping machine in daily life is various in types. The tapping machine is suitable for processing parts of automobile or motorcycle, such as automobile bodies, frames, chassis, connecting rods, engines, cylinders, various mechanical parts, machine tool tools, hardware, metal pipes, gears, pump bodies, valves, fasteners and the like. The tapping machine is a machining device for machining internal threads, screws or tooth buttons on the inner side surfaces of holes of parts with through holes or blind holes of different specifications, such as a part shell, an equipment end surface, a nut, a flange plate and the like.

The tapping machine is divided into a drilling tapping machine, a reaming tapping machine and the like. The full-automatic tapping machine has the highest automation degree, when the full-automatic tapping machine works, only the part blank is put into the hopper to be automatically fed, automatically positioned and clamped, automatically tapped and automatically unloaded, one worker can simultaneously operate a plurality of devices, the production efficiency is high, the labor cost can be remarkably saved! The high-quality tapping machine has the characteristics of novel design, reasonable structure, simplicity, convenience, easy use, high automation degree, convenient use, high efficiency, no maintenance, high cost performance and the like, and various nuts machined by the high-quality tapping machine have high screw finish and high finished product qualification rate.

The Chinese patent publication No. CN109176734A discloses a novel drilling and tapping machine, which comprises an electromagnetic sleeve ring and an electromagnetic round rod, wherein the electromagnetic round rod is arranged at the middle end of the upper end of an objective table, the electromagnetic rod switch button is arranged at the upper end of the electromagnetic round rod, the supporting round rod is arranged at the lower end of the electromagnetic round rod, the first knob is arranged at the right upper end of the supporting round rod, the scale marking rod is arranged at the front end of the supporting round rod, the magnetic induction coil connecting block is arranged at the inner end of the supporting round rod, the magnetic induction coil is arranged at the inner end of the magnetic induction coil connecting block, the electromagnetic sleeve ring is magnetically connected with the outer end of the supporting round rod, the drill bit supporting rod is arranged at the left end of the electromagnetic sleeve ring, the display screen is arranged at the front end of the drill bit supporting rod, the clamping rod is arranged at the lower, the hollow drill bit is arranged at the lower end of the clamping rod. However, the existing tapping machine also has the problems that the function of shielding and collecting scraps is not provided, the function of measuring and cleaning the tapping finished parts is lacked, and the workpiece is not convenient to clamp.

Therefore, it is very necessary to invent a new tapping machine.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a novel attack tooth machine to solve current attack tooth machine and do not possess and shelter from the collection function to the sweeps, lack the measurement clearance function and the inconvenient problem of the tight work piece of clamp to attacking tooth completion part. A novel tapping machine comprises a supporting cabinet, supporting foot seats, an L-shaped angle plate, a transverse supporting plate, a top reinforcing plate, an adjustable tapping equipment jacking seat structure, a conveniently-adjusted waste chip shielding cover structure, a waste chip cleaning and scraping rod structure with a measurable diameter, supporting columns, U-shaped sliding rods, an electric telescopic rod, a controller, a tapping supporting seat, a tapping motor and a tapping drill bit, wherein the supporting foot seats are respectively in threaded connection with the four corners of the lower surface of the supporting cabinet; the L-shaped angle plates are respectively bolted at the lower parts of the left side and the right side in the supporting cabinet; the transverse supporting plate is transversely bolted on the upper surface of the horizontal section of the L-shaped angle plate; the top reinforcing plate is connected to the upper surface of the supporting cabinet through bolts; the adjustable tapping equipment puller seat structure is arranged at the upper end of the electric telescopic rod; the conveniently-adjusted scrap shielding cover structure is arranged on the outer surface of the U-shaped sliding rod; the scrap cleaning scraping rod structure with the diameter capable of being measured is arranged on the front surface of the tapping support seat; the support column is longitudinally bolted at the left position of the upper surface of the support cabinet; the U-shaped sliding rod is connected to the right side of the supporting column through a bolt; the electric telescopic rod is connected to the middle position of the upper surface of the transverse supporting plate through a bolt; the controller screw is connected to the left side position of the upper surface of the tapping support seat; the tapping support seat is connected to the upper end of the support column through a bolt; the tapping motor is connected to the right side of the inside of the tapping support seat through a bolt; the tapping drill is connected to an output shaft of the tapping motor in a key way; the adjustable tooth tapping equipment jacking seat structure comprises a supporting disc seat, scrap dredging holes, longitudinal supporting rods, a jacking screw lever, an adjusting hand wheel and a jacking block, wherein the scrap dredging holes are respectively formed in the left side and the right side of the inside of the supporting disc seat; the longitudinal supporting rods are respectively bolted at the left side and the right side of the upper surface of the supporting disc seat; the tightening screw pushing lever is transversely in threaded connection with the middle position inside the longitudinal support rod; the adjusting hand wheel is connected to the top end of the outer side of the tightening screw lever through a bolt; the jacking block is connected to the top end of the inner side of the jacking screw lever through a bolt.

Preferably, the conveniently-adjusted scrap shielding cover structure comprises a shielding cover, a scrap collecting disc, a clamping groove, a hand-holding handle, a stainless steel soft rod, a locking bolt and an adjusting sleeve, wherein the scrap collecting disc is glued to the lower surface of the shielding cover; the clamping groove is formed in the middle of the front side of the scrap collecting tray; the hand grab handle is glued at the middle position of the right side of the shielding cover; the stainless steel soft rod screw is connected to the middle position of the left side of the shielding cover; the locking bolt is in threaded connection with the middle position of the left side of the adjusting sleeve; the adjusting sleeve is connected to the left end of the stainless steel soft rod through a screw.

Preferably, the diameter-measurable scrap cleaning scraping rod structure comprises a magnet block, a finger hanging ring, a measuring scale, a calibration block, a magnet column, a fixed clamping belt and cleaning bristles, wherein the finger hanging ring is glued in the middle of the left side of the magnet block; the measuring ruler is axially connected to the left upper side of the magnet block; the calibration block is glued at the upper part of the right side of the measuring scale; the magnet column is glued at the middle position of the right side of the magnet block; the fixed clamping belt is glued at the middle position of the right side of the front surface of the magnet block; the cleaning brush hair is glued at the right side position of the outer surface of the magnet column.

Preferably, the support cabinet is a rectangular stainless steel cabinet; the front surface of the supporting cabinet is hinged with a cabinet door.

Preferably, the supporting disk seat is a circular stainless steel disk; the thickness of the supporting disk seat is set to be five millimeters to ten millimeters; the supporting disk seat is connected to the upper end of the electric telescopic rod through a bolt; the supporting disk seat is arranged at the upper part of the supporting cabinet.

Preferably, the jacking block is a circular rubber block; the thickness of the jacking block is set to be five millimeters to ten millimeters.

Preferably, the adjusting sleeve is sleeved on the outer surface of the vertical section of the U-shaped sliding rod and is fixed by a locking bolt; the locking bolt penetrates through the adjusting sleeve and is tightly propped against the outer surface of the U-shaped sliding rod.

Preferably, the shielding cover is an arc-shaped PVC plastic cover; the scrap collecting tray is a PVC plastic tray with an opening at the upper part; the clamping groove is clamped on the outer surface of the output shaft of the electric telescopic rod; the scrap collecting tray is arranged at the lower part of the supporting tray seat.

Preferably, the magnet block and the magnet column are respectively adsorbed to the tapping support seat; the calibration block is inserted into the inner side of the fixed clamping belt; the fixing clamping belt is an arc-shaped nylon cloth belt.

Preferably, the measuring ruler is a stainless steel ruler; the measuring unit of the measuring scale is set to be millimeter; the zero scale of the measuring scale is arranged at the lower part of the front surface of the measuring scale.

Preferably, the output end of the electric telescopic rod penetrates through the supporting cabinet and the middle position of the inside of the top reinforcing plate.

Preferably, the tapping motor and the electric telescopic rod are respectively and electrically connected with the controller; the electric telescopic rod is a telescopic rod with the model number of VT 300; the controller is specifically a controller with the model of PBM-0101; the tapping motor is a motor with the model of JFH-MS8012-1.1 KW-B3.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the shielding cover adopts an arc PVC plastic cover; the scrap collecting tray is a PVC plastic tray with an opening at the upper part, and is beneficial to collecting waste wires generated in the tapping process.

2. The utility model discloses in, vertical branch, the tight silk lever in top, the setting of adjusting handle and the tight piece in top is favorable to the work piece of processing as required to adjust to press from both sides tight fixedly, increases the convenience of using.

3. The utility model discloses in, support disk seat and the setting of sweeps dredging hole be favorable to playing the effect of support to make things convenient for the lower hourglass of sweeps.

4. The utility model discloses in, electric telescopic handle's setting, be favorable to carrying out the regulation of height, make things convenient for going on of work piece processing.

5. The utility model discloses in, the soft pole of stainless steel, locking bolt and adjusting sleeve's setting are favorable to carrying out the regulation of height and angle.

6. The utility model discloses in, the setting of magnet piece and finger link be favorable to carrying out the gripping, the convenience is cleared up in to drilling.

7. The utility model discloses in, the setting of dipperstick and calibration block, be favorable to measuring the drilling diameter.

8. The utility model discloses in, the magnet post, the setting of fixing clip area and clearance brush hair is favorable to clearing up the inside of drilling screw thread, can adsorb the sweeps that processing produced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the adjustable structure of the tapping device.

Fig. 3 is a schematic structural view of the convenient-to-adjust sweeps shield structure of the present invention.

Fig. 4 is a schematic structural diagram of the structure of the diameter-measurable scrap cleaning scraping rod of the present invention.

In the figure:

1. a support cabinet; 2. a supporting foot seat; 3. an L-shaped gusset; 4. a transverse support plate; 5. a top gusset plate; 6. the adjustable tapping equipment is pushed against the seat structure; 61. a support tray base; 62. a scrap dredging hole; 63. a longitudinal strut; 64. tightly pressing the screw lever; 65. adjusting a hand wheel; 66. a jacking block; 7. the scrap shielding cover structure is convenient to adjust; 71. a shield cover; 72. a scrap collecting tray; 73. a card slot; 74. a grab handle; 75. a stainless steel soft rod; 76. locking the bolt; 77. an adjustment sleeve; 8. the scrap cleaning scraping rod structure can measure the diameter; 81. a magnet block; 82. a finger hanging ring; 83. measuring a scale; 84. a calibration block; 85. a magnetic column; 86. fixing the clamping belt; 87. cleaning the bristles; 9. a support pillar; 10. a U-shaped slide bar; 11. an electric telescopic rod; 12. a controller; 13. tapping a supporting seat; 14. a tapping motor; 15. a tapping drill.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in fig. 1 to 2, the utility model provides a novel tapping machine, which comprises a supporting cabinet 1, a supporting foot seat 2, an L-shaped angle plate 3, a transverse supporting plate 4, a top reinforcing plate 5, an adjustable tapping equipment tightening seat structure 6, a convenient-to-adjust scrap shielding cover structure 7, a scrap cleaning and scraping rod structure 8 with a measurable diameter, a supporting column 9, a U-shaped sliding rod 10, an electric telescopic rod 11, a controller 12, a tapping supporting seat 13, a tapping motor 14 and a tapping drill bit 15, wherein the supporting foot seat 2 is respectively in threaded connection with four corners of the lower surface of the supporting cabinet 1; the L-shaped angle plates 3 are respectively bolted at the lower parts of the left side and the right side of the interior of the supporting cabinet 1; the transverse supporting plate 4 is transversely bolted on the upper surface of the horizontal section of the L-shaped angle plate 3; the top reinforcing plate 5 is connected to the upper surface of the supporting cabinet 1 through bolts; the adjustable tapping equipment puller seat structure 6 is arranged at the upper end of the electric telescopic rod 11; the conveniently-adjusted scrap shielding cover structure 7 is arranged on the outer surface of the U-shaped sliding rod 10; the scrap cleaning scraping rod structure 8 with the diameter capable of being measured is arranged on the front surface of the tapping support seat 13; the support column 9 is longitudinally bolted at the left position of the upper surface of the support cabinet 1; the U-shaped sliding rod 10 is connected to the right side of the supporting column 9 through a bolt; the electric telescopic rod 11 is connected to the middle position of the upper surface of the transverse supporting plate 4 through a bolt; the controller 12 is screwed on the left side of the upper surface of the tapping support seat 13; the tapping support seat 13 is connected to the upper end of the support column 9 through bolts; the tapping motor 14 is in bolted connection with the right side position inside the tapping support seat 13; the tapping drill 15 is connected with an output shaft of the tapping motor 14 in a key mode; the adjustable tooth tapping equipment jacking seat structure 6 comprises a supporting disk seat 61, waste chip guide holes 62, longitudinal supporting rods 63, a jacking screw lever 64, an adjusting hand wheel 65 and a jacking block 66, wherein the waste chip guide holes 62 are respectively arranged at the left side and the right side of the inside of the supporting disk seat 61; the longitudinal supporting rods 63 are respectively bolted at the left side and the right side of the upper surface of the supporting disk seat 61; the tightening screw pushing lever 64 is transversely screwed at the middle position inside the longitudinal support rod 63; the adjusting hand wheel 65 is connected with the top end of the outer side of the tightening screw lever 64 through a bolt; the jacking block 66 is connected to the top end of the inner side of the jacking screw lever 64 through a bolt; placing a workpiece to be tapped on the upper surface of the support disc seat 61, holding the adjusting hand wheel 65 by hand and rotating clockwise, so that the tightening screw lever 64 rotates in the longitudinal support rod 63 to drive the tightening block 66 to move inwards, and the tightening block 66 is tightened on two sides of the workpiece to play a fixing role; an external power supply is switched on, the electric telescopic rod 11 and the tapping motor 14 are started through the controller 12, the tapping drill bit 15 is driven to rotate under the action of the tapping motor 14, and the fixed workpiece is close to the tapping drill bit 15 to be processed under the action of the electric telescopic rod 11.

In the above embodiment, as shown in fig. 3, specifically, the conveniently-adjusted scrap shielding structure 7 includes a shielding cover 71, a scrap collecting tray 72, a slot 73, a hand grip 74, a stainless steel soft rod 75, a locking bolt 76 and an adjusting sleeve 77, wherein the scrap collecting tray 72 is glued on the lower surface of the shielding cover 71; the clamping groove 73 is formed in the middle of the front side of the scrap collecting tray 72; the grab handle 74 is glued at the middle position of the right side of the shielding cover 71; the stainless steel soft rod 75 is connected to the middle position of the left side of the shielding cover 71 through a screw; the locking bolt 76 is in threaded connection with the middle position of the left side of the adjusting sleeve 77; the adjusting sleeve 77 is connected to the left end of the stainless steel soft rod 75 through a screw; loosening the locking bolt 76 changes the height of the adjusting sleeve 77 and breaks the stainless steel soft rod 75, thereby adjusting the positions of the shielding cover 71 and the scrap collecting tray 72 to block the scraps generated by the machining.

In the above embodiment, as shown in fig. 4, specifically, the diameter-measurable waste-dust-cleaning scraping bar structure 8 includes a magnet block 81, a finger ring 82, a measuring ruler 83, an alignment block 84, a magnet post 85, a fixing clamp belt 86 and cleaning bristles 87, wherein the finger ring 82 is glued to the middle position of the left side of the magnet block 81; the measuring scale 83 is axially connected to the left upper side of the magnet block 81; the calibration block 84 is glued at the upper position of the right side of the measuring scale 83; the magnet post 85 is glued at the middle position of the right side of the magnet block 81; the fixed clamping band 86 is glued at the middle position of the right side of the front surface of the magnet block 81; the cleaning brush 87 is glued at the right side of the outer surface of the magnet post 85; after the processing is finished, fingers penetrate through the finger hanging rings 82 to pull the magnet block 81 and the magnet column 85 outwards and forcefully to separate from the tapping support seat 13, the magnet column 85 is inserted into the drill hole to adsorb scraps in the drill hole, the magnet column 85 is rotated to clean the inner wall of the drill hole under the action of the cleaning bristles 87, the calibration block 84 can be pulled out from the fixed clamping belt 86, and the measurement is carried out by using the measuring scale 83.

In the above embodiment, specifically, the supporting cabinet 1 specifically adopts a rectangular stainless steel cabinet; the front surface of the supporting cabinet 1 is hinged with a cabinet door.

In the above embodiment, specifically, the supporting disk seat 61 is specifically a circular stainless steel disk; the thickness of the supporting disk seat 61 is set to be five millimeters to ten millimeters; the supporting disk seat 61 is connected with the upper end of the electric telescopic rod 11 through a bolt; the supporting disk seat 61 is arranged at the upper part of the supporting cabinet 1.

In the above embodiment, specifically, the tightening block 66 specifically adopts a circular rubber block; the thickness of the tightening block 66 is set to be five to ten millimeters.

In the above embodiment, specifically, the adjusting sleeve 77 is sleeved on the outer surface of the vertical section of the U-shaped sliding rod 10 and fixed by the locking bolt 76; the locking bolt 76 penetrates through the adjusting sleeve 77 and is tightly pressed against the outer surface of the U-shaped sliding rod 10.

In the above embodiment, specifically, the shielding cover 71 specifically adopts an arc-shaped PVC plastic cover; the scrap collecting tray 72 is a PVC plastic tray with an opening at the upper part; the clamping groove 73 is clamped on the outer surface of the output shaft of the electric telescopic rod 11; the scrap collecting tray 72 is disposed at a lower portion of the supporting tray base 61.

In the above embodiment, specifically, the magnet block 81 and the magnet column 85 are respectively attached to the tapping support base 13; the calibration block 84 is inserted into the inner side of the fixed clamping belt 86; the fixing clamping belt 86 is specifically an arc-shaped nylon cloth belt.

In the above embodiment, specifically, the measuring ruler 83 specifically adopts a stainless steel ruler; the measuring unit of the measuring scale 83 is set to be millimeter; the zero scale of the measuring scale 83 is arranged at the lower position of the front surface of the measuring scale 83.

In the above embodiment, specifically, the output end of the electric telescopic rod 11 penetrates through the supporting cabinet 1 and the inner middle position of the top reinforcing plate 5.

In the above embodiment, specifically, the tapping motor 14 and the electric telescopic rod 11 are respectively electrically connected to the controller 12; the electric telescopic rod 11 is a telescopic rod with the model number of VT 300; the controller 12 is a controller with model number PBM-0101; the tapping motor 14 is a motor with model JFH-MS8012-1.1 KW-B3.

Principle of operation

When the utility model is used, a workpiece to be tapped is placed on the upper surface of the support disc seat 61, the adjusting hand wheel 65 is held by a hand and rotates clockwise, so that the tightening screw lever 64 rotates in the longitudinal support rod 63 to drive the tightening block 66 to move inwards, and the tightening block 66 is tightened on two sides of the workpiece to play a role in fixing; an external power supply is switched on, the electric telescopic rod 11 and the tapping motor 14 are started through the controller 12, the tapping drill bit 15 is driven to rotate under the action of the tapping motor 14, a fixed workpiece is close to the tapping drill bit 15 under the action of the electric telescopic rod 11 for processing, the locking bolt 76 is loosened to change the height of the adjusting sleeve 77, and the stainless steel soft rod 75 is pulled off, so that the positions of the shielding cover 71 and the scrap collecting disc 72 are adjusted, and scraps generated in processing are blocked; after the processing is finished, fingers penetrate through the finger hanging rings 82 to pull the magnet block 81 and the magnet column 85 outwards and forcefully to separate from the tapping support seat 13, the magnet column 85 is inserted into the drill hole to adsorb scraps in the drill hole, the magnet column 85 is rotated to clean the inner wall of the drill hole under the action of the cleaning bristles 87, the calibration block 84 can be pulled out from the fixed clamping belt 86, and the measurement is carried out by using the measuring scale 83.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The novel tapping machine is characterized by comprising a supporting cabinet (1), a supporting foot seat (2), an L-shaped angle plate (3), a transverse supporting plate (4), a top reinforcing plate (5), an adjustable tapping equipment jacking seat structure (6), a convenient-to-adjust scrap shielding cover structure (7), a scrap cleaning and scraping rod structure (8) with a measurable diameter, a supporting column (9), a U-shaped sliding rod (10), an electric telescopic rod (11), a controller (12), a tapping supporting seat (13), a tapping motor (14) and a tapping drill bit (15), wherein the supporting foot seat (2) is respectively in threaded connection with four corners of the lower surface of the supporting cabinet (1); the L-shaped angle plates (3) are respectively bolted at the lower parts of the left side and the right side of the interior of the supporting cabinet (1); the transverse supporting plate (4) is transversely bolted on the upper surface of the horizontal section of the L-shaped angle plate (3); the top reinforcing plate (5) is connected to the upper surface of the supporting cabinet (1) through bolts; the adjustable tooth tapping equipment puller seat structure (6) is arranged at the upper end of the electric telescopic rod (11); the conveniently-adjusted scrap shielding cover structure (7) is arranged on the outer surface of the U-shaped sliding rod (10); the scrap cleaning scraping rod structure (8) with the diameter capable of being measured is arranged on the front surface of the tapping support seat (13); the supporting column (9) is longitudinally bolted at the left position of the upper surface of the supporting cabinet (1); the U-shaped sliding rod (10) is connected to the right side of the supporting column (9) through a bolt; the electric telescopic rod (11) is connected to the middle position of the upper surface of the transverse supporting plate (4) through a bolt; the controller (12) is connected to the left position of the upper surface of the tapping support seat (13) through a screw; the tapping support seat (13) is connected to the upper end of the support column (9) through a bolt; the tapping motor (14) is connected to the right side of the inside of the tapping support seat (13) through a bolt; the tapping drill bit (15) is connected to an output shaft of the tapping motor (14) in a key mode; the adjustable tooth tapping equipment jacking seat structure (6) comprises a supporting disc seat (61), scrap dredging holes (62), longitudinal supporting rods (63), a jacking screw lever (64), an adjusting hand wheel (65) and a jacking block (66), wherein the scrap dredging holes (62) are respectively arranged at the left side and the right side of the inside of the supporting disc seat (61); the longitudinal supporting rods (63) are respectively bolted at the left side and the right side of the upper surface of the supporting disc seat (61); the tightening screw pushing lever (64) is transversely screwed at the middle position inside the longitudinal support rod (63); the adjusting hand wheel (65) is connected to the top end of the outer side of the tightening screw lever (64) through a bolt; the jacking block (66) is connected to the top end of the inner side of the jacking wire lever (64) through a bolt.

2. The tapping machine according to claim 1, wherein said adjustable waste shielding structure (7) comprises a shielding cover (71), a waste collecting plate (72), a slot (73), a hand-held handle (74), a stainless steel soft rod (75), a locking bolt (76) and an adjusting sleeve (77), said waste collecting plate (72) is glued to the lower surface of the shielding cover (71); the clamping groove (73) is formed in the middle of the front side of the waste chip collecting disc (72); the hand grab handle (74) is glued at the middle position of the right side of the shielding cover (71); the stainless steel soft rod (75) is connected to the middle position of the left side of the shielding cover (71) through a screw; the locking bolt (76) is in threaded connection with the middle position of the left side of the adjusting sleeve (77); the adjusting sleeve (77) is connected to the left end of the stainless steel soft rod (75) through a screw.

3. The tapping machine as claimed in claim 1, wherein said measurable diameter shavings removal scraper bar structure (8) comprises a magnet block (81), a finger ring (82), a measuring ruler (83), a calibration block (84), a magnet post (85), a fixing clip (86) and cleaning bristles (87), said finger ring (82) being glued to the magnet block (81) at the left middle position; the measuring scale (83) is axially connected to the left upper side of the magnet block (81); the calibration block (84) is glued at the upper position of the right side of the measuring scale (83); the magnet column (85) is glued at the middle position of the right side of the magnet block (81); the fixed clamping belt (86) is glued at the middle position of the right side of the front surface of the magnet block (81); the cleaning brush bristles (87) are glued at the right side of the outer surface of the magnet column (85).

4. The tapping machine according to claim 1, wherein said supporting cabinet (1) is a rectangular stainless steel cabinet; the front surface of the supporting cabinet (1) is hinged with a cabinet door.

5. The tapping machine as claimed in claim 1, characterized in that said supporting seat (61) is embodied as a circular stainless steel plate; the thickness of the supporting disk seat (61) is set to be five millimeters to ten millimeters; the supporting disk seat (61) is connected to the upper end of the electric telescopic rod (11) through a bolt; the supporting disk seat (61) is arranged at the upper part of the supporting cabinet (1).

6. The tapping machine according to claim 1, wherein said abutment block (66) is embodied as a circular rubber block; the thickness of the tightening block (66) is set to be five millimeters to ten millimeters.

7. The tapping machine according to claim 2, wherein said adjusting sleeve (77) is sleeved on the outer surface of the vertical section of the U-shaped sliding rod (10) and fixed by a locking bolt (76); the locking bolt (76) penetrates through the adjusting sleeve (77) and is tightly propped against the outer surface of the U-shaped sliding rod (10).

8. The tapping machine as claimed in claim 2, characterized in that said shielding hood (71) is embodied as an arc-shaped PVC plastic hood; the scrap collecting tray (72) is a PVC plastic tray with an opening at the upper part; the clamping groove (73) is clamped on the outer surface of the output shaft of the electric telescopic rod (11); the scrap collecting tray (72) is arranged at the lower part of the supporting tray seat (61).

9. A tapping machine according to claim 3, wherein said magnet block (81) and magnet post (85) are respectively attached to said tapping support (13); the calibration block (84) is inserted into the inner side of the fixed clamping belt (86); the fixing clamping belt (86) is an arc-shaped nylon cloth belt.

10. A new tapping machine as claimed in claim 3, characterized in that said measuring ruler (83) is embodied as a stainless steel ruler; the measuring unit of the measuring scale (83) is set to be millimeter; the zero scale of the measuring scale (83) is arranged at the lower part of the front surface of the measuring scale (83).