CN212042732U

CN212042732U - Tapping chamfering machine

Info

Publication number: CN212042732U
Application number: CN202020781181.7U
Authority: CN
Inventors: 梁云; 林加亮; 卢廷勇; 李滨
Original assignee: Shenzhen Yihe Precision Technology Group Co ltd
Current assignee: Shenzhen Yihe Precision Technology Group Co ltd; EVA Precision Industrial Holdings Ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-12-01
Anticipated expiration: 2030-05-12

Abstract

The utility model relates to a tapping chamfering machine, which comprises a jig for loading workpieces; the workpiece is arranged above the jig; a plurality of cutters are arranged below the jig corresponding to the holes to be processed of the workpiece; the plurality of cutters correspond to the plurality of holes to be machined one by one; the cutter is a chamfering drill bit or a screw tap; the jig is provided with a through hole for the cutter to pass through; the tool longitudinal moving device comprises a plurality of clamping heads for clamping the tool, a clamping head rotating assembly for driving the plurality of clamping heads to rotate, and a tool longitudinal moving assembly for driving the tool to longitudinally move; the plurality of chucks correspond to the plurality of cutters one by one; can chamfer a plurality of holes to be processed on the workpiece simultaneously, and is high in efficiency.

Description

Tapping chamfering machine

Technical Field

The utility model relates to a machinery processing technology field, more specifically say, relate to a attack tooth beveler.

Background

In the production process, the holes on the workpiece are required to be chamfered frequently, for example, in the production process of the communication filter cover plate, the holes on the communication filter cover plate are required to be chamfered, the holes on the workpiece are chamfered by using an engraving machine in the conventional processing mode, but the processing mode can chamfer only one hole at a time, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, a attack tooth beveler is provided.

The utility model provides a technical scheme that its technical problem adopted is:

constructing a tapping and chamfering machine, wherein the tapping and chamfering machine comprises a jig for loading a workpiece; the workpiece is arranged above the jig; a plurality of cutters are arranged below the jig corresponding to the holes to be machined of the workpiece; the plurality of cutters correspond to the plurality of holes to be machined one by one; the cutter is a chamfering drill bit or a screw tap; the jig is provided with a through hole for the cutter to pass through; the tool longitudinal moving device comprises a plurality of tool longitudinal moving assemblies, a plurality of tool longitudinal moving assemblies and a plurality of tool clamping devices, wherein the tool longitudinal moving assemblies are used for driving the tool to move longitudinally; the plurality of chucks correspond to the plurality of cutters one to one.

The utility model discloses a tooth-attacking chamfering machine, wherein, still include the tool mounting bracket used for installing the said tool; the jig is arranged on the jig mounting frame in a sliding manner; the jig longitudinal moving assembly comprises a pressing plate arranged above the workpiece, a pressing plate longitudinal moving assembly used for driving the pressing plate to longitudinally move and a resetting piece used for resetting the jig.

The tapping and chamfering machine of the utility model is characterized in that the jig is fixedly provided with a first guide rod; the jig mounting frame is fixedly provided with a first linear bearing matched with the first guide rod; the first guide rod is arranged in the first linear bearing in a penetrating way; the reset piece is a spring; the spring is sleeved outside the first guide rod; one end of the spring is pressed against the jig mounting frame, and the other end of the spring is pressed against the jig.

The tapping chamfering machine of the utility model also comprises a pressure plate mounting rack for mounting the pressure plate longitudinal moving component; the pressing plate longitudinal moving assembly comprises a screw rod, a screw rod nut matched with the screw rod and a screw rod nut rotating assembly driving the screw rod nut to rotate; one end of the screw rod is fixedly connected with the pressing plate; the screw rod nut is rotatably arranged on the pressing plate mounting frame.

The utility model discloses a tooth-tapping chamfering machine, wherein, the screw-nut rotating assembly includes a first servo motor and a transmission sleeve; a first driving synchronous wheel is fixedly sleeved on an output shaft of the first servo motor; a first driven synchronizing wheel matched with the first driving synchronizing wheel is fixedly sleeved outside the transmission sleeve; the first driven synchronizing wheel is connected with the first driving synchronizing wheel through a first synchronizing belt; the transmission sleeve is sleeved outside the screw rod nut and fixedly connected with the screw rod nut; the pressing plate mounting frame is fixedly provided with a mounting sleeve matched with the transmission sleeve; the transmission sleeve penetrates through the installation sleeve and is rotatably connected with the installation sleeve.

The tapping and chamfering machine of the utility model is characterized in that the press plate is fixedly provided with a second guide rod; the pressing plate mounting frame is fixedly provided with a second linear bearing matched with the second guide rod; the second guide rod penetrates through the second linear bearing.

The utility model discloses a tooth-tapping chamfering machine, wherein, the chuck rotating assembly includes a multi-shaft gear box; the multi-shaft gear box is provided with an input shaft and a plurality of output shafts;

the chuck rotating assembly also comprises a driving assembly for driving the input shaft of the multi-shaft gearbox to rotate, and a plurality of transmission assemblies; the transmission assemblies correspond to the chucks one by one; an output shaft of the multi-shaft gear box drives the chuck to rotate through the transmission assembly; the transmission assembly is rotatably connected with the jig mounting frame.

The utility model discloses a tooth-attacking beveler, wherein, the transmission assembly includes first transfer line and second transfer line; the first transmission rod is connected with an output shaft of the multi-shaft gearbox through the second transmission rod; the chuck is fixedly arranged at one end of the first transmission rod, which is far away from the second transmission rod; the first transmission rod is rotatably connected with the jig mounting frame.

The tapping and chamfering machine of the utility model, wherein the second transmission rod comprises an inner rod and an outer rod; the end face of one end of the outer rod is provided with a movable groove matched with the inner rod, and the other end of the outer rod is connected with an output shaft of the multi-shaft gear box through a first universal joint; the cross section of the movable groove is polygonal; the cross section of the inner rod is polygonal; one end of the inner rod is arranged in the movable groove, and the other end of the inner rod is connected with the first transmission rod through a second universal joint.

The utility model discloses a tooth chamfering machine attacks, wherein, drive assembly includes the second servo motor; a second driving synchronous wheel is fixedly sleeved on an output shaft of the second servo motor; a second driven synchronizing wheel matched with the second driving synchronizing wheel is fixedly sleeved on an input shaft of the multi-shaft gear box; the second driving synchronous wheel is connected with the second driven synchronous wheel through a second synchronous belt.

The beneficial effects of the utility model reside in that: when holes to be machined in a workpiece are chamfered, firstly clamping chamfering drill bits on a chuck, then loading the workpiece on a jig, then driving a plurality of chucks by using a chuck rotating assembly to drive the plurality of chamfering drill bits to rotate, then driving the jig to move downwards by using a jig longitudinal moving assembly, in the process, the workpiece moves downwards along with the jig, the plurality of chamfering drill bits respectively reach the plurality of holes to be machined in the workpiece through respective corresponding through holes and chamfer the workpiece, after the chamfering is finished, driving the jig to move upwards by using the jig longitudinal moving assembly to realize stripping and resetting, and finally taking the machined workpiece down from the jig; when a hole to be machined in a workpiece is tapped, a screw tap is used for replacing a chamfering drill bit, and other machining processes are similar to the chamfering process and are not described herein again; the chamfering machine can chamfer a plurality of holes to be machined on a workpiece at the same time, and is high in efficiency; not only can chamfer but also tap, and has wide application range; the workpiece is arranged above the jig, so that the workpiece is convenient to load; the tool is arranged below the jig, the jig can play a role in protection, the tool is prevented from scratching a clamping person when a workpiece is loaded on the jig, and the safety is high; the chuck rotating assembly is utilized to simultaneously drive the plurality of cutters to rotate, the rotation of the plurality of cutters can be kept synchronous, and the processing consistency is good; the jig is driven to longitudinally move through the jig longitudinally moving assembly, feeding is achieved, and machining consistency is good.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:

fig. 1 is a schematic structural view of a tapping and chamfering machine according to a first embodiment of the present invention;

fig. 2 is a cross-sectional view of a tapping chamfering machine according to a first embodiment of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

fig. 5 is a schematic structural view of a tapping and chamfering machine according to a second embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example one

A schematic structural diagram of the tapping and chamfering machine according to the first embodiment is shown in fig. 1, and fig. 2 to 4 are also referred to; comprises a jig 7 for loading a workpiece 10; the workpiece 10 is arranged above the jig 7; a plurality of cutters 24 are arranged below the jig 7 corresponding to a plurality of holes to be machined of the workpiece 10; the plurality of cutters 24 correspond to the plurality of holes to be machined one by one; the tool 24 is a chamfer bit or a tap; the jig 7 is provided with a through hole 38 for the cutter to pass through; the device also comprises a plurality of chucks 25 for clamping the cutter 24, a chuck rotating assembly 54 for driving the plurality of chucks 25 to rotate, and a jig longitudinal moving assembly (not marked in the figure) for driving the jig 7 to longitudinally move; the plurality of chucks 25 correspond to the plurality of cutters 24 one by one.

When a hole to be machined in a workpiece 10 is chamfered, firstly clamping a chamfering drill bit on a chuck 25, then loading the workpiece 10 on a jig 7, then driving a plurality of chucks 25 by using a chuck rotating assembly 54 so as to drive a plurality of chamfering drill bits to rotate, then driving the jig 7 to move downwards by using a jig longitudinal moving assembly, in the process, the workpiece 10 moves downwards along with the jig 7, the chamfering drill bits respectively reach a plurality of holes to be machined in the workpiece 10 through respective corresponding through holes 38 and chamfer the hole, after the chamfering is finished, driving the jig 7 to move upwards by using the jig longitudinal moving assembly so as to realize stripping and resetting, and finally taking the machined workpiece 10 off the jig 7; when tapping a hole to be machined in the workpiece 10, replacing the chamfering drill bit with a tap, wherein the rest machining processes are similar to the chamfering process and are not described herein again; the chamfering machine can chamfer a plurality of holes to be machined on the workpiece 10 at the same time, and is high in efficiency; not only can chamfer but also tap, and has wide application range; the workpiece 10 is arranged above the jig 7, so that the workpiece 10 is convenient to load; the cutter 24 is arranged below the jig 7, the jig 7 can play a role in protection, the cutter 24 is prevented from scratching a clamping person when the workpiece 10 is loaded on the jig 7, and the safety is high; the chuck rotating assembly 54 is utilized to simultaneously drive the plurality of cutters 24 to rotate, the rotation of the plurality of cutters 24 can be kept synchronous, and the processing consistency is good; the jig 7 is driven to longitudinally move through the jig longitudinal moving assembly, feeding is achieved, and machining consistency is good.

It should be noted that, during chamfering, the distance of downward movement of the jig 7 is set according to the size of the chamfer, and during tapping, the distance of downward movement of the jig 7 is set according to the depth of the tooth hole.

Preferably, the jig device also comprises a jig mounting frame 9 for mounting the jig 7; the jig 7 is arranged on the jig mounting frame 9 in a sliding manner; the jig longitudinal moving assembly comprises a pressing plate 6 arranged above the workpiece, a pressing plate longitudinal moving assembly 11 used for driving the pressing plate 6 to longitudinally move and a resetting piece 8 used for resetting the jig 7.

The pressing plate 6 is driven to move downwards through the pressing plate longitudinal moving assembly 11, the pressing plate 6 contacts the workpiece 10 and then presses the workpiece 10 and the jig 7 downwards, and the jig 7 slides downwards relative to the jig mounting frame 9, so that the jig 7 moves downwards; after the processing is finished, the pressing plate longitudinal moving assembly 11 drives the pressing plate 6 to move upwards, the pressing plate 6 does not press the workpiece 10 and the jig 7 downwards any more, and the jig 7 moves upwards under the action of the reset piece 8, so that the stripping and resetting are realized; in the machining process, the pressing plate 6 always presses the workpiece 10, so that the stress condition of the workpiece 10 is improved, and the machining effect is improved.

Preferably, the jig 7 is fixedly provided with a first guide rod 37; the tool mounting rack 9 is fixedly provided with a first linear bearing 36 matched with a first guide rod 37; the first guide rod 37 is arranged in the first linear bearing 36 in a penetrating way; the reset piece 8 is a spring 8; the spring 8 is sleeved outside the first guide rod 37; one end of the spring 8 is pressed against the jig mounting frame 9, and the other end is pressed against the jig 7.

The jig 7 is arranged on the jig mounting frame 9 in a sliding manner by arranging the first guide rod 37 and the first linear bearing 36, and the first guide rod 37 and the first linear bearing 36 can also play a role in guiding, so that the movement of the jig 7 is more stable and accurate; the reset piece 8 is a spring 8, when the pressing plate 6 presses the workpiece 10 and the jig 7 downwards, the spring 8 deforms, the jig 7 and the workpiece 10 move downwards smoothly, when the pressing plate 6 releases the workpiece 10, the spring 8 restores to the original state, and the jig 7 moves upwards under the action of the spring 8 to complete stripping and resetting; at the moment when the pressure plate 6 contacts the workpiece 10, the spring 8 can also play a role of buffering, and the impact force applied to the workpiece 10 is reduced.

Preferably, the jig mounting frame 9 is arranged below the jig 7, so that the jig 7 can be mounted conveniently.

Preferably, the device also comprises a pressure plate mounting frame 4 for mounting the pressure plate longitudinal moving assembly 11; the pressure plate longitudinal moving assembly 11 comprises a screw rod 13, a screw rod nut 14 matched with the screw rod 13 and a screw rod nut rotating assembly 57 driving the screw rod nut 14 to rotate; one end of the screw rod 13 is fixedly connected with the pressing plate 6; the spindle nut 14 is rotatably provided on the platen mounting frame 4.

When the pressing plate 6 needs to be driven to move longitudinally, the feed screw nut 14 is driven to rotate by the feed screw nut rotating assembly 57, the feed screw 13 moves longitudinally under the action of the feed screw nut 14, and the pressing plate 6 fixedly connected with the feed screw 13 moves longitudinally; the pressing plate 6 is fixedly connected with the screw rod 13, and the connection is convenient.

Preferably, the lead screw nut rotating assembly 57 comprises a first servomotor 21 and a transmission sleeve 15; a first driving synchronous wheel 23 is fixedly sleeved on an output shaft of the first servo motor 21; a first driven synchronizing wheel 20 matched with a first driving synchronizing wheel 23 is fixedly sleeved outside the transmission sleeve 15; the first driven synchronous wheel 20 is connected with the first driving synchronous wheel 23 through a first synchronous belt (not shown in the figure); the transmission sleeve 15 is sleeved outside the screw nut 14 and fixedly connected with the screw nut 14; the pressing plate mounting frame 4 is fixedly provided with a mounting sleeve 16 matched with the transmission sleeve 15; the transmission sleeve 15 is arranged in the mounting sleeve 16 in a penetrating manner and is rotationally connected with the mounting sleeve 16.

When the pressing plate 6 needs to be driven to longitudinally move, the first servo motor 21 is utilized to drive the first driving synchronous wheel 23 to rotate, the first driving synchronous wheel 23 drives the first driven synchronous wheel 20 to rotate through the first synchronous belt, the first driven synchronous wheel 20 drives the transmission sleeve 15 to rotate, the transmission sleeve 15 drives the screw rod nut 14 to rotate, the screw rod 13 longitudinally moves under the action of the screw rod nut 14, and the pressing plate 6 longitudinally moves under the drive of the screw rod 13; the screw rod 13 is arranged in the screw rod nut 14 in a penetrating mode, the screw rod nut 14 is arranged in the transmission sleeve 15 in a penetrating mode, and the structure is compact.

It should be noted that the transmission sleeve 15 may be rotatably connected to the mounting sleeve 16 by a bearing.

Preferably, the pressing plate 6 is fixedly provided with a second guide rod 19; the pressure plate mounting frame 4 is fixedly provided with a second linear bearing 18 matched with a second guide rod 19; the second guide rod 19 is inserted into the second linear bearing 18.

The second guide rod 19 and the second linear bearing 18 are arranged to prevent the pressing plate 6 from inclining to a certain extent, and can also guide the pressing plate 6.

Preferably, the collet rotation assembly 54 includes a multi-axis gearbox 12; the multi-shaft gearbox 12 is provided with an input shaft 32 and a plurality of output shafts (not shown in the figures); the chuck rotating assembly 54 further includes a drive assembly (not shown) for driving rotation of the input shaft 32 of the multi-axis gearbox 12, and a plurality of transmission assemblies 56; the plurality of transmission assemblies 56 correspond one-to-one with the plurality of chucks 25; the output shaft of the multi-shaft gear box 12 drives the chuck 25 to rotate through the transmission assembly 56; the transmission assembly 56 is rotatably connected with the jig mounting frame 9.

During chamfering, the driving assembly is used for driving the input shaft of the multi-shaft gearbox 12 to rotate, so that the output shafts of the multi-shaft gearbox 12 rotate simultaneously, and the cutters 24 rotate simultaneously under the driving of the transmission assemblies 56.

It should be noted that the multi-axis gearbox 12 is an existing multi-axis gearbox.

Preferably, the transmission assembly 56 comprises a first transmission rod 27 and a second transmission rod 55; the first transmission rod 27 is connected with the output shaft of the multi-shaft gearbox 12 through a second transmission rod 55; a chuck 25 is fixedly arranged at one end of the first transmission rod 27 far away from the second transmission rod 55; the first transmission rod 27 is rotatably connected with the jig mounting frame 9.

When the output shaft of the multi-shaft gearbox rotates, the cutter 24 is driven to rotate through the second transmission rod 55 and the first transmission rod 27; the first transmission rod 27 not only plays a role of transmission, but also plays a role of installing the cutter 24; because first transfer line 27 needs to be connected with tool mounting bracket 9 rotation, if direct and multiaxis gear box 12 output shaft again, can lead to first transfer line 27 installation difficulty, the setting of second transfer line 55 then can solve this problem well.

Preferably, the second transmission rod 55 comprises an inner rod 29 and an outer rod 30; the end face of one end of the outer rod 30 is provided with a movable groove 34 matched with the inner rod 29, and the other end of the outer rod is connected with an output shaft of the multi-shaft gear box 12 through a first universal joint 33; the cross section of the movable groove 34 is polygonal; the cross section of the inner rod 29 is polygonal; one end of the inner lever 29 is disposed in the movable groove 34, and the other end is connected to the first transmission lever 27 via the second universal joint 28.

The cross section of the inner rod 29 is polygonal, the outer rod 30 is provided with the movable groove 34 matched with the inner rod 29, and the cross section of the movable groove 34 is polygonal matched with the inner rod 29, so that firstly, when the outer rod 30 is driven by the output shaft of the multi-shaft gear box 12 to rotate, the inner rod 29 can synchronously rotate under the action of the movable groove 34, the cutter 24 can be driven to rotate, and secondly, the inner rod 29 and the outer rod 30 can relatively move, so that the length of the second transmission rod 55 can be changed; the arrangement of the first universal joint 28 and the second universal joint 33 allows the second drive rod 55 to tilt relative to the first drive rod 27 and the output shaft of the multi-axis gearbox 12; the length of the second transmission rod 55 can be changed and can be inclined relative to the first transmission rod 27 and the output shaft of the multi-shaft gear box 12, so that the output shaft of the multi-shaft gear box 12 which drives the cutter 24 to rotate does not need to be opposite to the cutter 24, when the second transmission rod 55 is inclined, the output shaft of the multi-shaft gear box 12 which can be connected with the first universal joint 33 can be used for driving the cutter 24 to rotate, the application range is enlarged, and when the number of the cutters 24 is large, the output shaft of the multi-shaft gear box 12 which is not opposite to the cutter 24 can be used for driving the cutter 24 to rotate, and interference can be avoided to a certain extent.

Preferably, the drive assembly comprises a second servomotor (not shown in the figures); a second driving synchronous wheel is fixedly sleeved on an output shaft of the second servo motor; the input shaft 32 of the multi-shaft gear box 12 is fixedly sleeved with a second driven synchronizing wheel 31 matched with the second driving synchronizing wheel; the second driving synchronizing wheel and the second driven synchronizing wheel 31 are connected by a second timing belt (not shown in the figure).

When the tool 24 needs to be driven to rotate, the second servo motor is used for driving the second driving synchronous wheel to rotate, the second driving synchronous wheel drives the second driven synchronous wheel 31 to rotate through the second synchronous belt, the second driven synchronous wheel 31 drives the input shaft 32 of the multi-shaft gear box 12 to rotate, a plurality of output shafts of the multi-shaft gear box 12 can rotate simultaneously, and the tools 24 are driven by the transmission assemblies 56 to rotate simultaneously.

Example two

As shown in fig. 5, the second embodiment is basically the same as the first embodiment, and the same parts are not repeated herein, except that:

the device also comprises an air cylinder 58 which drives the pressure plate mounting rack 4 to move longitudinally; the movable end of the air cylinder 58 is fixedly connected with the pressure plate mounting frame 4; two vertical plates 60 are fixedly arranged on the jig mounting frame 9; the two vertical plates 60 are respectively arranged at two sides of the jig 7; a plurality of transverse elastic sheets 59 are fixedly arranged on the side surface of the vertical plate 60 facing the jig 7.

During processing, the air cylinder 58 drives the pressing plate mounting frame 4 to move downwards to enable the pressing plate 6 to move downwards to be close to the workpiece 10 quickly, then the first servo motor 21 operates, the pressing plate 6 moves downwards slowly under the action of the screw nut and the screw 13, after the pressing plate 6 is contacted with the workpiece 10, the pressing plate 6 can push the workpiece 10 and the jig 7 downwards slowly, feeding is achieved, after processing is completed, the first servo motor 21 operates, the pressing plate 6 moves upwards slowly, the jig 7 moves upwards slowly under the action of the pressing plate 6 and the spring 8, after the cutter 24 is completely separated from a hole to be processed, the air cylinder 58 drives the pressing plate mounting frame 4 to rise quickly, the pressing plate 6 resets, the air cylinder 58 is arranged to improve the moving speed of the pressing plate 6, and therefore working efficiency is improved; in-process that drives clamp plate mounting bracket 4 and rise rapidly at cylinder 58, clamp plate 6 breaks away from work piece 10 in the twinkling of an eye, tool 7 just continues to rise under the effect of spring 8, at this in-process, tool 7 can constantly bump with shell fragment 59 for work piece 10 on the tool 7 receives vibrations, the piece of treating remaining in the processing hole on the work piece 10 just can fall out because of receiving vibrations, the setting of shell fragment 59 has not only slowed down the speed that tool 7 rises, has still played the effect of chip removal.

It should be noted that the height of the elastic sheet 59 at the bottom layer should be higher than the height of the fixture 7 at the moment when the tool 24 enters the hole to be processed, so as to avoid the vibration of the workpiece 10 caused by the fixture 7 contacting the elastic sheet 59 during the processing process, and further avoid the damage and bad processing of the tool 24 caused thereby.

The difference from the first embodiment is that the jig further comprises a cylinder mounting frame 61 for mounting the cylinder 58, and the cylinder mounting frame 61 is fixedly arranged on the jig mounting frame 9.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. A tapping chamfering machine is characterized by comprising a jig for loading a workpiece; the workpiece is arranged above the jig; a plurality of cutters are arranged below the jig corresponding to the holes to be machined of the workpiece; the plurality of cutters correspond to the plurality of holes to be machined one by one; the cutter is a chamfering drill bit or a screw tap; the jig is provided with a through hole for the cutter to pass through; the tool longitudinal moving device comprises a plurality of tool longitudinal moving assemblies, a plurality of tool longitudinal moving assemblies and a plurality of tool clamping devices, wherein the tool longitudinal moving assemblies are used for driving the tool to move longitudinally; the plurality of chucks correspond to the plurality of cutters one to one.

2. The tapping and chamfering machine according to claim 1, further comprising a jig mounting frame for mounting the jig; the jig is arranged on the jig mounting frame in a sliding manner; the jig longitudinal moving assembly comprises a pressing plate arranged above the workpiece, a pressing plate longitudinal moving assembly used for driving the pressing plate to longitudinally move and a resetting piece used for resetting the jig.

3. The tapping and chamfering machine according to claim 2, wherein the jig is fixedly provided with a first guide rod; the jig mounting frame is fixedly provided with a first linear bearing matched with the first guide rod; the first guide rod is arranged in the first linear bearing in a penetrating way; the reset piece is a spring; the spring is sleeved outside the first guide rod; one end of the spring is pressed against the jig mounting frame, and the other end of the spring is pressed against the jig.

4. The tapping and chamfering machine according to claim 2, further comprising a platen mounting bracket for mounting the platen translation assembly; the pressing plate longitudinal moving assembly comprises a screw rod, a screw rod nut matched with the screw rod and a screw rod nut rotating assembly driving the screw rod nut to rotate; one end of the screw rod is fixedly connected with the pressing plate; the screw rod nut is rotatably arranged on the pressing plate mounting frame.

5. The tapping and chamfering machine according to claim 4, wherein the screw nut rotating assembly includes a first servomotor and a transmission sleeve; a first driving synchronous wheel is fixedly sleeved on an output shaft of the first servo motor; a first driven synchronizing wheel matched with the first driving synchronizing wheel is fixedly sleeved outside the transmission sleeve; the first driven synchronizing wheel is connected with the first driving synchronizing wheel through a first synchronizing belt; the transmission sleeve is sleeved outside the screw rod nut and fixedly connected with the screw rod nut; the pressing plate mounting frame is fixedly provided with a mounting sleeve matched with the transmission sleeve; the transmission sleeve penetrates through the installation sleeve and is rotatably connected with the installation sleeve.

6. The tapping and chamfering machine according to claim 4, wherein a second guide bar is fixedly arranged on the pressure plate; the pressing plate mounting frame is fixedly provided with a second linear bearing matched with the second guide rod; the second guide rod penetrates through the second linear bearing.

7. The tapping and chamfering machine according to claim 2, wherein the collet rotating assembly includes a multi-axis gearbox; the multi-shaft gear box is provided with an input shaft and a plurality of output shafts;

8. The tapping and chamfering machine according to claim 7, wherein the transmission assembly includes a first transmission rod and a second transmission rod; the first transmission rod is connected with an output shaft of the multi-shaft gearbox through the second transmission rod; the chuck is fixedly arranged at one end of the first transmission rod, which is far away from the second transmission rod; the first transmission rod is rotatably connected with the jig mounting frame.

9. The tapping and chamfering machine according to claim 8, wherein the second transmission rod includes an inner rod and an outer rod; the end face of one end of the outer rod is provided with a movable groove matched with the inner rod, and the other end of the outer rod is connected with an output shaft of the multi-shaft gear box through a first universal joint; the cross section of the movable groove is polygonal; the cross section of the inner rod is polygonal; one end of the inner rod is arranged in the movable groove, and the other end of the inner rod is connected with the first transmission rod through a second universal joint.

10. The tapping and chamfering machine according to claim 7, wherein the driving assembly includes a second servo motor; a second driving synchronous wheel is fixedly sleeved on an output shaft of the second servo motor; a second driven synchronizing wheel matched with the second driving synchronizing wheel is fixedly sleeved on an input shaft of the multi-shaft gear box; the second driving synchronous wheel is connected with the second driven synchronous wheel through a second synchronous belt.