CN220050106U - Drilling mechanism of earring machine - Google Patents

Abstract

The utility model discloses a drilling mechanism of an earring machine, which comprises a left linear module, a right linear module, a front linear module, a back linear module, a vertical linear module, a drilling device and a concentric adjusting device, wherein the front linear module and the back linear module are arranged on the left linear module and the right linear module and move left and right along with the left linear module and the right linear module, the vertical linear module is arranged on the front linear module and the back linear module and moves back and forth along with the front linear module, the drilling device and the concentric adjusting device are both arranged on the vertical linear module and move up and down along with the vertical linear module, the drilling device comprises a drill bit, the concentric adjusting device comprises a cylinder displacement assembly and a pipe sleeve assembly, the cylinder displacement assembly is arranged on one side of the drilling device, the pipe sleeve assembly is arranged on the cylinder displacement assembly and moves up and down along with the cylinder displacement assembly, the pipe sleeve assembly comprises an adjusting arm, and the adjusting arm is sleeved on the drill bit and adjusts the position and the concentricity of the drill bit. The utility model automatically adjusts the position degree and concentricity of the drill bit, improves the machining accuracy, reduces the manpower use and reduces the cost.

Description

Drilling mechanism of earring machine

Technical Field

The utility model relates to the technical field of earring machines, in particular to a drilling mechanism of an earring machine.

Background

Along with the improvement of aesthetic quality, the masses correspondingly put forward higher requirements on the manufacturing and processing technology of earrings, and drilling operation is needed when many earrings are processed, and the prior art is processed through manual operation, so that the occupied labor is more. Application number: 202222407767.9 the utility model discloses a jewelry processing drilling machine, which comprises a stand column, wherein a chute is formed in the front surface of the stand column, a linear motor is fixedly arranged on the inner wall of the chute, a dust collection mechanism is arranged on the linear motor and comprises a sliding block, a U plate, two support arms, two dust collection fans, two dust inlet pipes and a dust collection box, a rotor end of the linear motor is fixedly connected with the back surface of the sliding block, the inner walls of two ear ends of the U plate are respectively fixedly connected with the left side and the right side of the sliding block, the inner walls of the U plate are movably sleeved on the outer walls of the stand column at the same time, and the top ends of the two support arms are respectively fixedly arranged on the outer walls of the two ear ends of the U plate. However, this patent does not address automatic multidirectional position adjustment of the drill bit nor the problem of bit misalignment during drilling. Therefore, in order to solve the above-mentioned problem, there is a need to develop a drilling mechanism suitable for the earring machine, which satisfies the requirements of multi-directional automatic position adjustment of the drill bit and concentricity adjustment of the drill bit, and avoiding drilling deviation.

Disclosure of Invention

The utility model aims to provide a drilling mechanism of an earring machine.

According to one aspect of the present utility model, there is provided a drilling mechanism for an earring machine, comprising a left-right rectilinear module, a front-rear rectilinear module, a vertical rectilinear module, a drilling device and a concentric adjustment device, wherein the front-rear rectilinear module is mounted on the left-right rectilinear module and moves left-right with the left-right rectilinear module, the vertical rectilinear module is mounted on the front-rear rectilinear module and moves back-and-forth with the front-rear rectilinear module, the drilling device and the concentric adjustment device are both mounted on the vertical rectilinear module and move up-and-down with the vertical rectilinear module, the drilling device comprises a drill bit, the concentric adjustment device comprises a cylinder displacement assembly and a pipe sleeve assembly, the cylinder displacement assembly is located on one side of the drilling device, the pipe sleeve assembly is mounted on the cylinder displacement assembly and moves up-and-down with the cylinder displacement assembly, the pipe sleeve assembly comprises an adjustment arm, and the adjustment arm is sleeved on the drill bit and performs concentric adjustment on the drill bit.

In some embodiments, the left and right linear modules comprise a first mounting seat, a first slide rail seat, a first motor seat, a first coupler, a first ball screw sleeve, a first limit bolt and a first slide rail, wherein the first motor seat is mounted on the first mounting seat, the first motor is mounted on one side of the first motor seat, the first limit bolt is fixedly mounted on one side of the first motor seat, the first coupler is positioned in the first motor seat, one end of the first coupler is connected with an output end shaft of the first motor, the other end of the first coupler is connected with the first ball screw shaft, the first slide rail seat is provided with a first groove, the two first slide rails are embedded in the first groove, one end of the first ball screw penetrates through the first ball screw sleeve and stretches into the front and rear linear modules, the first ball screw sleeve is in threaded connection with the first ball screw, and is fixedly connected with the front and rear linear modules, and the first ball screw sleeve drives the front and rear linear modules to move front and rear along the first ball screw.

In some embodiments, the front-rear linear module comprises a second slide rail seat, a second slide rail, a third slide rail, a second motor seat, a second coupler, a second ball screw sleeve and a second limit bolt, wherein the second slide rail seat is provided with a second groove and a first bump, the two second slide rails are arranged on two sides of the first bump, the two third slide rails are arranged in the second groove, the second slide rail seat is positioned above the first slide rail seat, the first bump stretches into the first groove, the second slide rail is in sliding connection with the first slide rail, and the first ball screw sleeve is embedded on one side of the second slide rail seat and drives the second slide rail seat to move left and right along the first ball screw.

In some embodiments, the second motor seat and the second limit bolt are both fixedly installed on one side of the second slide rail seat, the second limit bolt limits the vertical linear module, the second motor is installed on the second motor seat, the second coupler is located in the second motor seat, one end of the second coupler is connected with the output end shaft of the second motor, the other end of the second coupler is connected with one end shaft of the second ball screw, the other end of the second ball screw penetrates through the second ball screw sleeve and stretches into the vertical linear module, the second ball screw sleeve is in threaded connection with the second ball screw and is fixedly connected with the vertical linear module, the vertical linear module is located above the second slide rail seat and is in sliding connection with the second slide rail seat, and the second ball screw sleeve drives the vertical linear module to move back and forth along the second ball screw.

In some embodiments, the vertical linear module comprises a third slide rail seat, a fourth slide rail, a supporting table, a third motor seat, a third coupler, a third ball screw sleeve, a fourth slide rail seat, a fifth slide rail seat and a sixth slide rail, wherein a second bump is arranged at the bottom of the third slide rail seat, two fourth slide rails are installed on two sides of the second bump, the third slide rail seat is installed in a second groove of the second slide rail seat, the fourth slide rail is in sliding connection with the third slide rail, the second ball screw sleeve is embedded on the third slide rail seat and drives the third slide rail seat to move back and forth along the second ball screw, the supporting table is fixedly installed on the third slide rail seat, the fourth slide rail seat is fixedly installed on the fourth slide rail seat, the third motor seat is fixedly installed on the third motor seat, the third coupler is located in the third slide rail seat, one end of the third slide rail seat is connected with an output end shaft of the third motor, and the other end of the third motor is connected with a third ball shaft.

In some embodiments, the fourth slide rail seat is provided with a third groove, two fifth slide rails are embedded in the third groove, the fifth slide rail seat is provided with a third protruding block, two sixth slide rails are installed on two sides of the third protruding block, the fifth slide rail seat is located on the fourth slide rail seat, the third protruding block is located in the third groove, the sixth slide rail is in sliding connection with the fifth slide rail, a third ball screw sleeve is embedded on the fifth slide rail seat, one end of the third ball screw passes through the third ball screw sleeve and stretches into the fifth slide rail seat, the third ball screw sleeve is in threaded connection with the third ball screw and drives the fifth slide rail seat to move up and down along the third ball screw, and the drilling device and the concentric adjusting device are installed on the fifth slide rail seat.

In some embodiments, the vertical linear module further comprises a third limit bolt fixedly mounted on the back surface of the fourth slide rail seat, the fourth slide rail seat is provided with a first limit hole, and the top end of the third limit bolt passes through the first limit hole and limits the fifth slide rail seat.

In some embodiments, the drilling device further comprises a mounting plate, a drilling motor, a driving wheel, a driven wheel, a transmission belt, a shaft sleeve and a transmission shaft, wherein the mounting plate is vertically arranged on the fifth slide rail seat, the drilling motor is arranged on the mounting plate, an output shaft of the drilling motor penetrates through the mounting plate and is connected with the driving wheel shaft, the driven wheel is positioned below the driving wheel, the transmission belt is in tensioning sleeve on the driving wheel and the driven wheel, the shaft sleeve is fixedly arranged on the fifth slide rail seat, one end of the transmission shaft is connected with the driven wheel shaft, and the other end of the transmission shaft is connected with the drill bit shaft.

In some embodiments, the cylinder displacement assembly comprises a sixth slide rail seat, a seventh slide rail, a cylinder mounting plate, a sliding block, a fourth limit bolt, a bolt fixing block and a connecting piece, the pipe sleeve assembly further comprises an adjusting block, the sixth slide rail seat is fixedly mounted on one side of the fifth slide rail seat, the cylinder mounting plate is vertically mounted on the sixth slide rail seat, the sixth slide rail seat is provided with a fourth groove, two seventh slide rails are embedded in the fourth groove, the sliding block is located between the two seventh slide rails and is in sliding connection with the two seventh slide rails, the bolt fixing block is mounted on the sliding block, the connecting piece and the fourth limit bolt are clamped in the bolt fixing block, an output rod of the cylinder is fixedly connected with the connecting piece, a waist hole is formed in the bottom end of the sliding block, the bolt penetrates through the waist hole to be connected with the adjusting block, the adjusting block moves back and forth along the waist hole, the fourth limit bolt is parallel to the output rod of the cylinder, the cylinder mounting plate is provided with a second limit hole, and the fourth limit bolt corresponds to the position of the second limit hole.

In some embodiments, the bottom of regulating block is equipped with the draw-in groove of falling trapezoidal, and the shape of regulating arm and draw-in groove shape assorted, and regulating arm clamps in the draw-in groove to move about along the draw-in groove, the both ends of regulating arm are equipped with drill bit concentric bore, and the drill bit passes drill bit concentric bore, and the regulating arm reciprocates along the drill bit under the drive of cylinder, is equipped with the excellent power glue stick in the fourth limit bolt.

The utility model has the beneficial effects that: according to the utility model, the left and right linear modules, the front and back linear modules and the vertical linear modules are arranged to drive the drill bit to adjust positions in the left and right direction, the front and back direction and the up and down direction, the concentric adjusting device is arranged, and the drilling position of the drill bit is further limited and determined through the pipe sleeve assembly, so that the drilling position is ensured to be accurate, the machining accuracy is improved, the automatic control is performed, the manual operation is not needed, the error of the manual operation is avoided, the manpower use is reduced, and the cost is reduced.

Drawings

Fig. 1 is an exploded view of a drilling mechanism of an earring machine according to an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a drilling mechanism of an earring machine according to an embodiment of the present utility model.

Fig. 3 is a left side view of a drilling mechanism of an earring machine according to one embodiment of the present utility model.

Fig. 4 is a schematic structural view of a left-right straight line module of a drilling mechanism of an earring machine according to an embodiment of the present utility model.

Fig. 5 is a schematic structural view of a front-rear linear module of a drilling mechanism of an earring machine according to an embodiment of the present utility model.

Fig. 6 is a schematic structural view of a vertical linear module of a drilling mechanism of an earring machine according to an embodiment of the present utility model.

Fig. 7 is a top view of a vertical linear module of a drilling mechanism of an earring machine according to one embodiment of the present utility model.

Fig. 8 is a schematic structural view of a drilling device of a drilling mechanism of an earring machine according to an embodiment of the present utility model.

Fig. 9 is a schematic structural view of a concentric adjusting device of a drilling mechanism of an earring machine according to an embodiment of the present utility model.

Fig. 10 is an exploded view of a concentric adjustment device of a drilling mechanism of an earring machine according to one embodiment of the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to examples.

Referring to fig. 1 to 10, the utility model provides a drilling mechanism of an earring machine, which comprises a left linear module 1, a right linear module 2, a front linear module 2, a rear linear module 3, a drilling device 4 and a concentric adjusting device 5.

The left-right linear module 1 comprises a first mounting seat 11, a first slide rail seat 12, a first motor 13, a first motor seat 14, a first coupler 15, a first ball screw 16, a first ball screw sleeve 17, a first limit bolt 18 and a first slide rail 19. The first motor cabinet 14 is installed on the first installation seat 11, the first motor 13 is installed on one side of the first motor cabinet 14, and the first limit bolt 18 is fixedly installed on one side of the first motor cabinet 14. The first coupling 15 is located in the first motor base 14, one end of the first coupling is connected with the output end of the first motor 13 in a shaft mode, and the other end of the first coupling is connected with the first ball screw 16 in a shaft mode. The first rail seat 12 is provided with a first groove 121, and two first slide rails 19 are embedded in the first groove 121. One end of the first ball screw 16 passes through the first ball screw housing 17 and extends into the second slide rail seat 21. The first ball screw sleeve 17 is in threaded connection with the first ball screw 16 and is fixedly connected with the second slide rail seat 21, and the first ball screw sleeve 17 drives the second slide rail seat 21 to move back and forth along the first ball screw 16.

The front-rear linear module 2 includes a second rail seat 21, a second rail 22, a third rail 23, a second motor 24, a second motor seat 25, a second coupling 26, a second ball screw 27, a second ball screw sleeve 28, and a second limit bolt 29. The second rail seat 21 is provided with a second groove 211 and a first bump, two second sliding rails 22 are installed on two sides of the first bump, and two third sliding rails 23 are installed in the second groove 211. The second rail seat 21 is located above the first rail seat 12, the first protrusion extends into the first groove 121, and the second rail 22 is slidably connected to the first rail 19. The first ball screw sleeve 17 drives the second slide rail seat 21 to move left and right along the first ball screw 16. A first limiting plate 213 is further arranged on one side of the second slide rail seat 21, and the first limiting plate 213 is located above the first limiting bolt 18. When the second rail seat 21 moves left and right, the first limiting plate 213 abuts against the top end of the first limiting bolt 18, and limits the second rail seat 21.

The second motor seat 25 and the second limit bolt 29 are fixedly installed on one side of the second slide rail seat 21, and the second limit bolt 29 limits the third slide rail seat 31. The second motor 24 is mounted on the second motor seat 25, the second coupling 26 is located in the second motor seat 25, one end of the second coupling is connected with the output end of the second motor 24 in a shaft manner, and the other end of the second coupling is connected with one end of the second ball screw 27 in a shaft manner. The other end of the second ball screw 27 passes through the second ball screw sleeve 28 and extends into the third slide rail seat 31, and the second ball screw sleeve 28 is in threaded connection with the second ball screw 27 and is fixedly connected with the third slide rail seat 31.

The vertical linear module 3 includes a third rail seat 31, a fourth slide rail 32, a support table 33, a third motor 34, a third motor seat 35, a third coupling 36, a third ball screw 37, a third ball screw sleeve 38, a fourth rail seat 39, a fifth slide rail 30, a fifth rail seat 301, a sixth slide rail 302, a third limit bolt 303, and a second limit plate 305. The bottom of the third rail seat 31 is provided with a second bump 311, and two fourth sliding rails 32 are installed on two sides of the second bump 311. The third rail seat 31 is located above the second rail seat 21, the second bump 311 is installed in the second groove 211 of the second rail seat 21, and the fourth rail 32 is slidably connected with the third rail 23. The second ball screw sleeve 28 is embedded on the third slide rail seat 31, and drives the third slide rail seat 31 to move back and forth along the second ball screw 27.

The second limiting plate 305 is mounted on one side of the support table 33 and is located above the second limiting bolt 29. When the third rail seat 31 moves forward and backward, the support table 33 is driven to move forward and backward, and the second limiting plate 305 abuts against the top end of the second limiting bolt 29 to limit the third rail seat 31.

The supporting table 33 is fixedly mounted on the third slide rail seat 31, the fourth slide rail seat 39 is fixedly mounted on the supporting table 33, and the third motor seat 35 is fixedly mounted on the fourth slide rail seat 39. The third motor 34 is fixedly mounted on the third motor seat 35, the third coupling 36 is located in the third motor seat 35, one end of the third coupling is connected with the output end shaft of the third motor 34, and the other end of the third coupling is connected with the third ball screw 37 shaft.

The fourth rail seat 39 is provided with a third groove 391, and the two fifth slide rails 30 are fitted into the third groove 391. The fifth rail seat 30 is provided with a third bump 304, and two sixth sliding rails 302 are installed on two sides of the third bump 304. The fifth rail seat 30 is located on the fourth rail seat 39, the third protrusion 304 is located in the third groove 391, and the sixth rail 302 is slidably connected to the fifth rail 30. The third ball screw sleeve 38 is embedded on the fifth slide rail seat 30, and one end of the third ball screw 37 passes through the third ball screw sleeve 38 and extends into the fifth slide rail seat 30. The third ball screw sleeve 38 is in threaded connection with the third ball screw 37, and drives the fifth slide rail seat 30 to move up and down along the third ball screw 37.

The third limit bolt 305 is fixedly mounted on the back surface of the fourth slide rail seat 39, the fourth slide rail seat 39 is provided with a first limit hole 392, and the top end of the third limit bolt 305 passes through the first limit hole 392 and limits the fifth slide rail seat 30.

The drilling device 4 comprises a mounting plate 42, a drilling motor 43, a driving wheel 44, a driven wheel 45, a drive belt (not shown in the drawings), a bushing 46, a drive shaft 47 and a drill bit 41. The mounting plate 42 is vertically mounted on the fifth rail seat 30, and the drilling motor 43 is mounted on the mounting plate 42, and its output shaft passes through the mounting plate 42 and is connected with the driving wheel 44 by a shaft. The driven wheel 45 is positioned below the driving wheel 44, and the driving belt is tightly sleeved on the driving wheel 44 and the driven wheel 45. The bushing 46 is fixedly mounted on the fifth rail seat 30, and one end of the transmission shaft 47 is connected to the driven wheel 44, and the other end is connected to the drill bit 41.

The concentric adjustment means 5 comprises a cylinder displacement assembly and a pipe sleeve assembly. The cylinder displacement assembly includes a sixth slide rail seat 51, a seventh slide rail 52, a cylinder 53, a cylinder mounting plate 54, a slider 55, a fourth limit bolt 56, a bolt fixing block 57, and a connecting member 58. The pipe sleeve assembly includes an adjustment block 59 and an adjustment arm 50.

The sixth rail housing 51 is fixedly mounted to one side of the fifth rail housing 30, and the cylinder mounting plate 54 is vertically mounted to the sixth rail housing 51. The sixth slide rail seat 51 is provided with a fourth groove 511, two seventh slide rails 52 are embedded in the fourth groove 511, and a slide block 55 is located between the two seventh slide rails 52 and is slidably connected with the two seventh slide rails 52. The bolt fixing block 57 is mounted on the slider 55, and the connecting piece 58 and the fourth limit bolt 56 are both clamped in the bolt fixing block 57. The output rod of the air cylinder 53 is fixedly connected with the connecting piece 59, and the pending bolt fixing block, the fourth limit bolt and the sliding block move up and down through the connecting piece 59. The bottom of the slider 55 is provided with a waist hole 551, a bolt passes through the waist hole 551 and is connected with the adjusting block 59, and the adjusting block 59 can move back and forth along the waist hole. The fourth limit bolt 56 is parallel to the output rod of the air cylinder 53, the air cylinder mounting plate 54 is provided with a second limit hole, and the fourth limit bolt 56 corresponds to the second limit hole.

The bottom of the adjusting block 59 is provided with an inverted trapezoidal clamping groove 591, and the shape of the adjusting arm 50 is matched with the shape of the clamping groove 591. The adjusting arm 50 is locked in the locking groove 591 and moves left and right along the locking groove 591. The two ends of the adjusting arm 50 are provided with drill bit concentric holes 501, the drill bit 41 penetrates through the drill bit concentric holes 501, the adjusting arm 50 moves up and down along the drill bit 41 under the drive of the air cylinder 53, and when the drill bit 41 drills a material, the drill bit 41 is limited, so that the drill bit deviation is avoided. The fourth limit bolt 56 is internally provided with a high-strength glue stick.

When the utility model is used, the first motor 13 is started to drive the first ball screw 16 to rotate, the first ball screw sleeve 17 drives the second slide rail seat 21 to move left and right along the first ball screw 16, and the position of the drill bit 41 in the left and right direction is adjusted; starting the second motor 24 to drive the second ball screw 27 to rotate, and driving the third slide rail seat 31 to move back and forth along the second ball screw 27 by the second ball screw sleeve 28 to adjust the position of the drill bit 41 in the front-back direction; the third motor 34 is started to drive the third ball screw 37 to rotate, and the third ball screw sleeve 38 drives the fifth slide rail seat 30 to move up and down along the third ball screw 37, so that the position of the drill bit 41 in the vertical direction is adjusted. After the drill 41 is moved to the designated position, the air cylinder 53 is in a reset state, the output rod thereof is extended, the adjusting arm 50 is positioned below the drill 41, and the drill 41 corresponds to the position of the drill concentric hole 501. The cylinder 53 is started, the cylinder is set, the output rod of the cylinder is retracted, the sliding block 55 and the fourth limiting bolt 56 are driven to move upwards, and the fourth limiting bolt 56 limits the sliding block 55. The slider 55 drives the adjusting arm 50 to move upwards, the drill bit 41 passes through the drill bit concentric hole 501, and the adjusting arm 50 is sleeved outside the drill bit 41. The drilling motor 43 is started, the output shaft of the drilling motor rotates to drive the driving wheel 44 to rotate, the driven wheel 45 and the transmission shaft 47 are driven to rotate through the transmission belt, and the drill bit 41 is driven to rotate to drill the earring material to be processed. In the drilling process, when the drill bit 41 contacts materials, the drill bit 41 is easy to deviate, at this time, the adjusting arm 50 can move left and right in a small extent along the clamping groove 591 of the adjusting block 59, and the adjusting block 59 moves back and forth in a small extent along the waist hole 551 through the bolt, so that the position degree and concentricity of the drill bit 41 can be adjusted, the accuracy of drilling processing is improved, and the defective rate is reduced.

The foregoing is merely illustrative of some embodiments of the utility model, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the inventive concept.

Claims (10)

1. The drilling mechanism of the earring machine is characterized by comprising a left linear module, a right linear module, a front linear module, a back linear module, a vertical linear module, a drilling device and a concentric adjusting device, wherein the front linear module and the back linear module are installed on the left linear module and the right linear module and move left and right along with the left linear module and the right linear module, the vertical linear module is installed on the front linear module and the back linear module and moves back and forth along with the front linear module and the back linear module, the drilling device and the concentric adjusting device are installed on the vertical linear module and move up and down along with the vertical linear module, the drilling device comprises a drill bit, the concentric adjusting device comprises a cylinder displacement assembly and a pipe sleeve assembly, the cylinder displacement assembly is positioned on one side of the drilling device, the pipe sleeve assembly is installed on the cylinder displacement assembly and moves up and down along with the cylinder displacement assembly, the pipe sleeve assembly comprises an adjusting arm, and the adjusting arm is sleeved on the drill bit and carries out concentricity and position adjustment on the drill bit.

2. The mechanism of claim 1, wherein the left and right linear modules comprise a first mounting base, a first slide rail base, a first motor base, a first coupler, a first ball screw sleeve, a first limit screw and a first slide rail, wherein the first motor base is mounted on the first mounting base, the first motor is mounted on one side of the first motor base, the first limit screw is fixedly mounted on one side of the first motor base, the first coupler is positioned in the first motor base, one end of the first coupler is connected with an output end shaft of the first motor, the other end of the first coupler is connected with the first ball screw shaft, the first slide rail base is provided with a first groove, the two first slide rails are embedded in the first groove, one end of the first ball screw penetrates through the first ball screw sleeve and stretches into the front and rear linear modules, the first ball screw sleeve is fixedly connected with the first motor base, and the first ball screw is fixedly connected with the front and rear linear modules, and the front and rear linear modules are driven by the first ball screw shaft to move along the front and rear linear modules.

3. The mechanism of claim 2, wherein the front-rear linear module comprises a second slide rail seat, a second slide rail, a third slide rail, a second motor seat, a second coupling, a second ball screw sleeve and a second limit bolt, the second slide rail seat is provided with a second groove and a first bump, two second slide rails are mounted on two sides of the first bump, two third slide rails are mounted in the second groove, the second slide rail seat is positioned above the first slide rail seat, the first bump extends into the first groove, the second slide rail is in sliding connection with the first slide rail, the first ball screw sleeve is embedded on one side of the second slide rail seat, and the second slide rail seat is driven to move left and right along the first ball screw.

4. The mechanism for drilling an earring device according to claim 3, wherein the second motor base and the second limit bolt are fixedly mounted on one side of the second slide rail base, the second limit bolt limits the vertical linear module, the second motor is mounted on the second motor base, the second coupler is located in the second motor base, one end of the second coupler is connected with an output end shaft of the second motor, the other end of the second coupler is connected with one end shaft of the second ball screw, the other end of the second ball screw penetrates through the second ball screw sleeve and extends into the vertical linear module, the second ball screw sleeve is in threaded connection with the second ball screw and is fixedly connected with the vertical linear module, the vertical linear module is located above the second slide rail base and is in sliding connection with the second slide rail base, and the second ball screw sleeve drives the vertical linear module to move back and forth along the second ball screw.

5. The mechanism of claim 4, wherein the vertical linear module comprises a third rail seat, a fourth rail, a supporting table, a third motor seat, a third coupler, a third ball screw sleeve, a fourth rail seat, a fifth rail seat and a sixth rail, a second bump is arranged at the bottom of the third rail seat, two fourth rails are mounted on two sides of the second bump, the third rail seat is mounted in a second groove of the second rail seat, the fourth rail is in sliding connection with the third rail, the second ball screw sleeve is embedded on the third rail seat and drives the third rail seat to move back and forth along the second ball screw, the supporting table is fixedly mounted on the third rail seat, the fourth rail seat is fixedly mounted on the supporting table, the third rail seat is fixedly mounted on the fourth motor seat, the third rail seat is fixedly mounted on the third motor seat, the third ball screw is connected with the third coupler, and the third ball screw is connected with the other end of the third motor seat.

6. The mechanism according to claim 5, wherein the fourth rail seat is provided with a third groove, two fifth rails are embedded in the third groove, the fifth rail seat is provided with a third bump, two sixth rails are mounted on two sides of the third bump, the fifth rail seat is located on the fourth rail seat, the third bump is located in the third groove, the sixth rail is slidably connected with the fifth rail, the third ball screw sleeve is embedded on the fifth rail seat, one end of the third ball screw passes through the third ball screw sleeve and stretches into the fifth rail seat, the third ball screw sleeve is in threaded connection with the third ball screw and drives the fifth rail seat to move up and down along the third ball screw, and the drilling device and the concentricity adjusting device are mounted on the fifth rail seat.

7. The mechanism of claim 5, wherein the vertical linear module further comprises a third limit bolt fixedly mounted on the back surface of the fourth slide rail seat, the fourth slide rail seat is provided with a first limit hole, and the top end of the third limit bolt passes through the first limit hole and limits the fifth slide rail seat.

8. The mechanism of claim 5, wherein the drilling device further comprises a mounting plate, a drilling motor, a driving wheel, a driven wheel, a driving belt, a shaft sleeve and a transmission shaft, wherein the mounting plate is vertically mounted on the fifth slide rail seat, the drilling motor is mounted on the mounting plate, an output shaft of the drilling motor penetrates through the mounting plate and is connected with the driving wheel shaft, the driven wheel is located below the driving wheel, the driving belt is tightly sleeved on the driving wheel and the driven wheel, the shaft sleeve is fixedly mounted on the fifth slide rail seat, one end of the transmission shaft is connected with the driven wheel shaft, and the other end of the transmission shaft is connected with the drill bit shaft.

9. The mechanism of claim 5, wherein the cylinder displacement assembly comprises a sixth slide rail seat, a seventh slide rail, a cylinder mounting plate, a slide block, a fourth limit bolt, a bolt fixing block and a connecting piece, the pipe sleeve assembly further comprises an adjusting block, the sixth slide rail seat is fixedly mounted on one side of the fifth slide rail seat, the cylinder mounting plate is vertically mounted on the sixth slide rail seat, the sixth slide rail seat is provided with a fourth groove, the two seventh slide rails are embedded in the fourth groove, the slide block is positioned between the two seventh slide rails and is in sliding connection with the two seventh slide rails, the bolt fixing block is mounted on the slide block, the connecting piece and the fourth limit bolt are clamped in the bolt fixing block, an output rod of the cylinder is fixedly connected with the connecting piece, a waist hole is formed in the bottom end of the slide block, a bolt penetrates through the waist hole and is connected with the adjusting block, the adjusting block moves along the waist hole, and the fourth slide rail is provided with a limit bolt parallel to the fourth limit bolt.

10. The drilling mechanism of the earring machine according to claim 9, wherein an inverted trapezoid clamping groove is formed in the bottom of the adjusting block, the shape of the adjusting arm is matched with that of the clamping groove, the adjusting arm is clamped in the clamping groove and moves left and right along the clamping groove, drill bit concentric holes are formed in two ends of the adjusting arm, the drill bit penetrates through the drill bit concentric holes, the adjusting arm moves up and down along the drill bit under the driving of the air cylinder, and a dominant force glue rod is arranged in the fourth limit bolt.