CN112017883A

CN112017883A - Electromagnetic switch equipment transfer chain

Info

Publication number: CN112017883A
Application number: CN202010751305.1A
Authority: CN
Inventors: 李丹; 高飞飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2020-12-01

Abstract

The invention discloses an electromagnetic switch assembly conveying line which comprises a rotary disc conveying device and a linear conveying device, wherein the rotary disc conveying device is connected with the linear conveying device; the jig assemblies are uniformly arranged on the periphery of the rotary table, a plurality of stations are arranged on the periphery of the rotary table, and the stations are a feeding station, a confirmation station, a magnetic ring assembling station, a pressing sheet assembling station and a discharging station respectively; the confirming assembly is arranged on the fixed disc and corresponds to the confirming station, the lifting assembly is arranged on the rack and corresponds to the magnetic ring assembling station. The invention has the advantages of high efficiency of turntable conveying and accurate processing; the linear conveying position is accurate, and the detection can be carried out well.

Description

Electromagnetic switch equipment transfer chain

Technical Field

The invention relates to the technical field of electromagnetic switch production, in particular to an electromagnetic switch assembly conveying line.

Background

An electromagnetic switch, as the name implies, is a switch controlled by an electromagnet, i.e. a combination of an electromagnet and a switch. When the electromagnet coil is electrified, electromagnetic attraction is generated, the movable iron core pushes or pulls the switch contact to be closed, and therefore the controlled circuit is switched on. Electromagnetic switches are widely used in various industries, and most commonly are contactors in the industrial field. As shown in fig. 4, the electromagnetic switch is composed of a plastic base 100, a magnetic ring 200, a pressing sheet 300, a spring 400, a fixing card base 500 and an electromagnetic coil; the subsequent solenoid coil is arranged in the plastic seat 100, the pressing sheet 300 fixes the magnetic ring 200 on the plastic seat 100, the fixing clamping seat 500 is installed in the plastic seat 100 from the side, the fixing clamping seat 500 is used for clamping the solenoid coil, the spring 400 presses the solenoid coil on the fixing clamping seat 500, when the solenoid coil is electrified, magnetic force is generated to act on the magnetic ring 200, the elastic force of the spring 400 is overcome, and the closed state of the solenoid switch is realized.

The publication number is CN205508722U, which is a patent application of a simple iron core reset spring reset device electromagnetic switch and discloses a simple iron core reset spring reset device electromagnetic switch, which comprises a switch cover assembly, a stop iron assembly, a coil assembly, a switch shell assembly, a movable contact assembly, an iron core reset spring and an iron core assembly; the switch cover assembly is riveted at the left end of the switch shell assembly, the stop iron assembly is arranged at the left end of the switch shell assembly, and the coil assembly is arranged in the inner cavity of the switch shell assembly; the moving contact assembly penetrates through a center hole of the stop iron assembly, and the iron core reset spring is arranged in a space formed by the right end and the left end of the stop iron assembly; the free end of the iron core assembly is arranged in the inner cavity of the coil assembly total copper lining.

The prior art has the following defects: the rotation mode is transferred to the lateral station and is stressed to deform the disc, so that the machining precision is influenced; the quality of the assembled product is poor, the detection is not carried out, and the conveying efficiency is low.

Disclosure of Invention

The invention aims to solve the problem that in the prior art, a disc deforms due to the fact that a rotation mode is rotated on a lateral station and is stressed, and machining precision is influenced; the quality of the assembled product is poor, and the quality is not detected, so that the turntable conveying is efficient and the machining is accurate; the linear conveying position is accurate, and the electromagnetic switch assembly conveying line can be detected well.

For the purpose of the invention, the following technical scheme is adopted: an electromagnetic switch assembly conveying line comprises a rotary disc conveying device and a linear conveying device, wherein the rotary disc conveying device is connected with the linear conveying device, and the rotary disc conveying device comprises a divider, a rotary disc, a jig assembly, a fixed disc, a confirmation assembly and a lifting assembly; the decollator is fixed on the frame, the center of the rotary table is installed on the decollator output shaft, the fixed disc is installed on the frame through the upright post, and the fixed disc is positioned above the rotary table; the jig assemblies are uniformly arranged on the periphery of the rotary table, a plurality of stations are arranged on the periphery of the rotary table, and the stations are a feeding station, a confirmation station, a magnetic ring assembling station, a pressing sheet assembling station and a discharging station respectively; the confirming assembly is arranged on the fixed disc and corresponds to the confirming station, the lifting assembly is arranged on the rack and corresponds to the magnetic ring assembling station.

Preferably, the confirmation assembly comprises a confirmation cylinder and a confirmation pressing block; the confirming press block is arranged at the telescopic end of the confirming cylinder, and a proximity sensor is arranged in the confirming press block.

Preferably, the lifting assembly comprises a lifting cylinder and a lifting plate; the lifting plate is installed at the flexible end of lifting cylinder, and the lifting cylinder is vertical to be fixed in the frame.

Preferably, the jig assembly comprises a base, a jig body and a thimble; the base is fixed on the turntable, a guide hole is formed in the base, a guide pillar is arranged at the bottom of the jig body and movably matched in the guide hole, a rectangular groove is formed in the upper end of the jig body, a ball plunger is arranged on the side wall of the rectangular groove, and the ball plunger is pressed inwards; the ejector pin is arranged in the base, and the middle part of the ejector pin is a thick part; the upper end of the thimble is positioned in the jig body, and the side of the thimble is provided with a plug pin which prevents the thimble from rotating in the jig body; the thimble is located the lifting subassembly directly over.

Preferably, the linear conveying device comprises a stepping conveying mechanism, a setting seat, a rotating seat assembly, a light source assembly and a visual camera; the stepping carrying mechanism comprises moving actions with horizontal and vertical degrees of freedom; the moving tail end of the stepping carrying mechanism is provided with a plurality of finger cylinders which are uniformly arranged, and the moving end of each finger cylinder is provided with a clamping block; the setting seat is arranged on the frame, the upper end of the setting seat is provided with a raised upright post, and the plastic seat is sleeved in the upright post to realize positioning and fixing; the rotating seat assembly is connected with the setting seat at the tail end and comprises a mounting seat, a stepping motor and a rotating seat; the stepping motor is arranged on the mounting seat, the rotary seat is arranged on an output shaft of the stepping motor, and a raised upright post is arranged on the rotary seat to fix a workpiece; an infrared sensor is arranged on the side of the mounting seat; the light source assembly is arranged on one side of the rotary base assembly, and the vision camera is arranged on the other side of the rotary base assembly.

A divider drives jig components on a rotary table to rotate in sequence when the conveying line works, a plastic seat is placed on a jig body at a feeding station by the jig components, the plastic seat is clamped and positioned through ball plungers on two sides, a confirmation cylinder drives a confirmation pressing block to descend at a confirmation station, and whether the plastic seat is assembled in place or not is detected; then at the magnetic ring assembling station, the lifting cylinder drives the lifting plate to rise, so as to jack the thimble, the thimble drives the jig body to lift, the assembly of the magnetic ring is carried out, then the jig body is continuously conveyed to the following station and clamped by the stepping carrying mechanism to enter the linear conveying device, the stepping carrying mechanism clamps the electromagnetic switch to move between the setting seat and the rotating seat assembly, corresponding assembling operation is carried out at the corresponding station, and finally whether the assembled product is qualified or not is detected by the vision camera.

A feeding and conveying system for an electromagnetic switch pressing sheet comprises a pressing sheet feeding device and the electromagnetic switch assembling and conveying line; the pressing sheet feeding device comprises a folding plate, a transverse moving cylinder, a transverse moving seat, a longitudinal moving cylinder, a longitudinal moving seat, a floating seat, a pressing head assembly, a vibration feeding assembly, a vertical seat and a positioning seat; the folding plate is fixed on the rack, the transverse moving seat is movably connected to the folding plate through a sliding rail, the telescopic end of the transverse moving cylinder is connected with the transverse moving seat, and the transverse moving cylinder is installed on the folding plate; the longitudinal moving cylinder is arranged on the transverse moving seat, the longitudinal moving seat is arranged at the telescopic end of the longitudinal moving cylinder, the floating seat is arranged inside the longitudinal moving seat, the upper surface and the lower surface of the floating seat are respectively provided with a ball which floats through a spring and is contacted with the longitudinal moving seat, and the lateral sides of the longitudinal moving seat and the floating seat are provided with a bolt for connection; the pressure head assembly is connected to the longitudinal moving seat, the positioning seat is fixed at the top of the vertical seat, and the positioning seat corresponds to the lower part of the pressure head assembly; the vibration feeding component corresponds to the side of the positioning seat.

Adopt above-mentioned technical scheme's an electromagnetic switch equipment transfer chain's advantage is: the turntable conveying device positions and places the plastic seat through the arrangement of the jig assembly, wherein the plastic seat is arranged in the rectangular groove to prevent rotation, and the two sides of the plastic seat are compressed through the arrangement of the ball plunger to realize positioning and clamping; when vertical acting force is applied to a workpiece in the jig assembly, the acting force is not directly applied, but the jig body is lifted by the lifting assembly to be supported, so that the bending deformation of the rotary table is avoided. Linear conveyor's rigidity is high, and position accuracy is high, detects the equipment product, is convenient for reject the defective products.

Drawings

Fig. 1 is a block diagram of an electromagnetic switch die feeding and conveying system according to an embodiment of the present invention.

Fig. 2 is an exploded view of the carousel.

Fig. 3 is an exploded view of the linear transporter.

Fig. 4 is an exploded view of the tablet feeding device.

Figure 5 is a cross-sectional view of the ram assembly.

Fig. 6 is an exploded view of the electromagnetic switch.

Detailed Description

As shown in fig. 1-5, an electromagnetic switch tablet feeding and conveying system includes a rotary table conveying device 2, a linear conveying device 6 and a tablet feeding device 5, the rotary table conveying device 2 and the linear conveying device form an electromagnetic switch assembly conveying line, and the rotary table conveying device 2 is connected with the linear conveying device 6.

As shown in fig. 2, the carousel conveying device 2 includes a divider, a carousel 21, a jig assembly 22, a fixed tray 23, a confirmation assembly 24, and a lifting assembly 25; the divider is fixed on the frame, the center of the rotary table 21 is installed on the output shaft of the divider, the fixed disc 23 is installed on the frame through an upright column, and the fixed disc 23 is positioned above the rotary table 21; the jig assemblies 22 are uniformly arranged on one circle of the turntable 21, and a plurality of stations are arranged on one circle of the turntable 21 and respectively comprise a feeding station 201, a confirmation station 202, a magnetic ring assembling station 203, a tabletting assembling station and a discharging station; the confirming component 24 is arranged on the fixed disc 23, the confirming component 24 corresponds to the confirming station 202, the lifting component 25 is arranged on the frame, and the lifting component 25 corresponds to the magnetic ring assembling station 203; the confirmation component 24 comprises a confirmation cylinder 241 and a confirmation pressing block 242; the confirmation pressing block 242 is arranged at the telescopic end of the confirmation cylinder 241, a proximity sensor is arranged in the confirmation pressing block 242, and the confirmation pressing block 242 descends to be close to the jig assembly 22 so as to confirm that the plastic seat is fed in place; the lifting assembly 25 comprises a lifting cylinder 251 and a lifting plate 252; the lifting plate 252 is arranged at the telescopic end of the lifting cylinder 251, and the lifting cylinder 251 is vertically fixed on the frame; the jig assembly 22 comprises a base 221, a jig body 222 and a thimble 223; the base 221 is fixed on the turntable 21, a guide hole 2211 is arranged on the base 221, a guide post is arranged at the bottom of the jig body 222 and movably matched in the guide hole 2211, a rectangular groove 2221 is arranged at the upper end of the jig body 222, a ball plunger 2222 is arranged on the side wall of the rectangular groove 2221, and the ball plunger is pressed towards the inner side; the thimble 223 is arranged in the base 221, the middle part of the thimble 223 is a thick part which can not only lift the jig body 222, but also prevent the thimble 223 from falling from the base 221; the upper end of the thimble 223 is positioned in the jig body 222, the thimble 223 is used for driving and centering the plastic seat, and a plug pin is arranged on the side of the thimble 223, so that the thimble 223 can not rotate in the jig body 222; the thimble 223 can jack the fixture body 222 when receiving an upward force; the ejector pin 223 is located directly above the lift assembly 25.

When the turntable conveying device 2 works, the divider drives the jig assemblies 22 on the turntable 21 to rotate in sequence, the jig assemblies 22 place plastic bases on the jig body 222 at the feeding station 201, the plastic bases are clamped and positioned through ball plungers at two sides, and the confirmation air cylinder 241 drives the confirmation pressing block 242 to descend at the confirmation station 202 to detect whether the plastic bases are assembled in place or not; then, at the magnetic ring assembling station 203, the lifting cylinder 251 drives the lifting plate 252 to ascend so as to jack up the ejector pin 223, the ejector pin 223 drives the jig body 222 to ascend so as to assemble the magnetic ring, and then the magnetic ring is continuously conveyed to the subsequent station for corresponding processing.

The turntable conveying device 2 solves the problem that the machining precision is affected by the deformation of a disc caused by the stress on a lateral station in a rotating mode, a jig assembly 22 is arranged to position a plastic seat, the plastic seat is arranged in a rectangular groove 2221 to prevent rotation, and two sides of the plastic seat are pressed tightly through a ball plunger to realize positioning and clamping; when a vertical acting force is applied to the workpiece in the jig assembly 22, the vertical acting force is not directly applied, but is supported by lifting the jig body 222 through the lifting assembly 25, so that the rotary table 21 is prevented from bending and deforming.

As shown in fig. 3, the linear transporter 6 includes a step-by-step transport mechanism 61, a setting seat 62, a rotating seat assembly 63, a light source assembly 64, and a vision camera 65; the stepping carrying mechanism 61 comprises moving actions with horizontal and vertical degrees of freedom; the moving tail end of the stepping carrying mechanism 61 is provided with a plurality of finger cylinders 611 which are uniformly arranged, and the moving end of each finger cylinder 611 is provided with a clamping block; the setting seat 62 is arranged on the frame, the upper end of the setting seat 62 is provided with a raised upright post, and the plastic seat is sleeved in the upright post to realize positioning and fixing; the rotating base assembly 63 is connected with the setting base 62 at the tail end, and the rotating base assembly 63 comprises a mounting base 631, a stepping motor 632 and a rotating base 633; the stepping motor 632 is arranged on the mounting seat 631, the rotary seat 633 is arranged on an output shaft of the stepping motor 632, and a convex upright post is arranged on the rotary seat 633 for fixing a workpiece; an infrared sensor is arranged at the side of the mounting seat 631 and used for controlling the rotating angle; the light source module 64 is installed at one side of the swivel base module 63, and the vision camera 65 is installed at the other side of the swivel base module 63.

When the linear conveying device 6 works, the stepping conveying mechanism 61 clamps the electromagnetic switch to move between the setting seat 62 and the rotating seat assembly 63, corresponding assembling operation is carried out at a corresponding station, and finally whether the assembly is qualified or not is detected by the vision camera 65.

As shown in fig. 4 and 5, the tablet loading device corresponds to a tablet assembly station. The pressing sheet feeding device comprises a folded plate 51, a transverse moving cylinder 52, a transverse moving seat 53, a longitudinal moving cylinder 54, a longitudinal moving seat 551, a floating seat 552, a pressing head assembly 56, a vibration feeding assembly 57, an upright seat 58 and a positioning seat 59; the folding plate 51 is fixed on the frame, the traverse seat 53 is movably connected on the folding plate 51 through a sliding rail, the telescopic end of the traverse cylinder 52 is connected with the traverse seat 53, and the traverse cylinder 52 is arranged on the folding plate 51; the longitudinal moving cylinder 54 is installed on the transverse moving seat 53, the longitudinal moving seat 551 is arranged at the telescopic end of the longitudinal moving cylinder 54, the floating seat 552 is arranged inside the longitudinal moving seat 551, the upper surface and the lower surface of the floating seat 552 are provided with balls floating through springs to be contacted with the longitudinal moving seat 551, the floating seat 552 can slightly float in the longitudinal moving seat 551 to adjust the position, and the longitudinal moving seat 551 is connected with a bolt arranged on the side of the floating seat 552 to prevent the floating seat 552 from sliding out of the side of the longitudinal moving seat 551; the pressure head assembly 56 is connected to the longitudinal moving seat 551, the positioning seat 59 is fixed on the top of the vertical seat 58, and the positioning seat 59 corresponds to the lower part of the pressure head assembly 56; the vibration feeding component 57 corresponds to the side of the positioning seat 59. The pressure head assembly 56 comprises a falling cylinder 561, a punch pin 562, a pushing and falling pressure column 563 and a magnet 564; the falling cylinder 561 is installed on the longitudinal moving seat 551, the push-falling pressing column 563 is installed on the floating seat 552, the magnet 564 is fixed below the floating seat 552, and the punching needle 562 is sleeved inside the push-falling pressing column 563; the punch needle 562 is provided with three sections of parts with different thicknesses, the thickest section is in movable fit with the pushing and dropping compression column 563, the middle section is matched with the inner hole of the tablet to date, and the thinnest section is a tip; the middle part of the push-down pressing column 563 is hollow, and an inner hole at the lower end of the push-down pressing column 563 is provided with a chamfer which corresponds to the bulge of the pressing sheet; a sinking platform 591 is arranged on the positioning seat 59, the size of the sinking platform 591 is matched with that of the pressing sheet, a circular hole is formed in the middle of the sinking platform 591, and an optical fiber sensor is arranged on the side edge of the sinking platform 591; the vibration feeding assembly 57 comprises a vibrator and a material rail arranged at the upper end of the vibrator, and a pressing sheet is arranged in the material rail.

When the pressing sheet feeding device works, the pressing sheet is sent out from the vibration feeding assembly 57 to the positioning seat 59, and then the transverse moving cylinder 52 and the longitudinal moving cylinder 54 act together to drive the pressing head assembly 56 to reach the upper part of the positioning seat; then falling cylinder 561 drives towards needle 562 and descends, towards needle 562 inserts in the round hole of positioning seat 59, entangles the preforming outside, gets the material, then carries to and indulges after the assigned position and moves cylinder 54 and descend, drives and pushes away the compression leg 563 and descend, and towards needle 562 cooperation simultaneously and rises, with the preforming pressure drop, realizes the material loading.

The electromagnetic switch pressing sheet feeding device solves the problems that pressing sheets are difficult to take materials and are easy to clamp when being pressed rigidly; the punching needle 562 is arranged to be inserted into the pressing sheet for taking materials, so that the pressing sheet can be fixed when being centered; the material taking mode is simple, efficient and accurate; the material is taken and then is pressed down through the push-down pressing column 563, the push-down mode is stable and reliable, the pressing sheet is in a sheet shape, the pressing sheet can be clamped on the punching needle 562 due to uneven stress, the pressing sheet is easy to scrape and grind and even clamped on the punching needle 562, and therefore the pressing sheet is driven by the elastic floating seat 552, rigid impact is avoided, the pressing angle is adjusted in a self-adaptive mode, and smooth blanking of the pressing sheet is guaranteed.

Claims

1. An electromagnetic switch assembly conveying line comprises a rotary disc conveying device (2) and a linear conveying device (6), wherein the rotary disc conveying device (2) is connected with the linear conveying device (6), and the electromagnetic switch assembly conveying line is characterized in that the rotary disc conveying device (2) comprises a divider, a rotary disc (21), a jig assembly (22), a fixed disc (23), a confirmation assembly (24) and a lifting assembly (25); the decollator is fixed on the rack, the center of the rotary disc (21) is installed on an output shaft of the decollator, the fixed disc (23) is installed on the rack through the upright post, and the fixed disc (23) is positioned above the rotary disc (21); the jig assemblies (22) are uniformly arranged on the periphery of the rotary table (21), a plurality of stations are arranged on the periphery of the rotary table (21), and the stations are a feeding station (201), a confirmation station (202), a magnetic ring assembling station (203), a pressing sheet assembling station and a discharging station respectively; the magnetic ring assembling device is characterized in that the confirmation component (24) is installed on the fixed disc (23), the confirmation component (24) corresponds to the confirmation station (202), the lifting component (25) is installed on the rack, and the lifting component (25) corresponds to the magnetic ring assembling station (203).

2. An electromagnetic switch assembly conveyor line as in claim 1 wherein said confirmation assembly (24) comprises a confirmation cylinder (241) and a confirmation press block (242); the confirmation pressing block (242) is arranged at the telescopic end of the confirmation cylinder (241), and a proximity sensor is arranged in the confirmation pressing block (242).

3. An electromagnetic switch assembly conveyor line as in claim 1 wherein the lift assembly (25) comprises a lift cylinder (251) and a lift plate (252); the lifting plate (252) is arranged at the telescopic end of the lifting cylinder (251), and the lifting cylinder (251) is vertically fixed on the frame.

4. The electromagnetic switch assembly conveyor line according to claim 1, wherein the jig assembly (22) comprises a base (221), a jig body (222) and a thimble (223); the base (221) is fixed on the turntable (21), a guide hole (2211) is formed in the base (221), a guide post is arranged at the bottom of the jig body (222) and movably matched in the guide hole (2211), a rectangular groove (2221) is formed in the upper end of the jig body (222), a ball plunger (2222) is arranged on the side wall of the rectangular groove (2221), and the ball plunger is pressed inwards; the ejector pin (223) is arranged in the base (221), and the middle part of the ejector pin (223) is a thick part; the upper end of the thimble (223) is positioned in the jig body (222), and a plug pin is arranged on the side of the thimble (223) and can prevent the thimble (223) from rotating in the jig body (222); the thimble (223) is positioned right above the lifting assembly (25).

5. The electromagnetic switch assembly conveying line according to claim 1, wherein the linear conveying device (6) comprises a stepping conveying mechanism (61), a setting seat (62), a rotating seat assembly (63), a light source assembly (64) and a vision camera (65); the stepping carrying mechanism (61) comprises moving actions with horizontal and vertical degrees of freedom; the motion tail end of the stepping carrying mechanism (61) is provided with a plurality of finger cylinders (611) which are uniformly arranged, and the moving end of each finger cylinder (611) is provided with a clamping block; the setting seat (62) is arranged on the frame, the upper end of the setting seat (62) is provided with a raised upright post, and the plastic seat is sleeved in the upright post to realize positioning and fixing; the rotating seat assembly (63) is connected with the tail end setting seat (62), and the rotating seat assembly (63) comprises a mounting seat (631), a stepping motor (632) and a rotating seat (633); the stepping motor (632) is arranged on the mounting seat (631), the rotary seat (633) is arranged on an output shaft of the stepping motor (632), and a convex upright post is arranged on the rotary seat (633) to fix a workpiece; an infrared sensor is arranged on the side of the mounting seat (631); the light source assembly (64) is installed on one side of the rotary base assembly (63), and the vision camera (65) is installed on the other side of the rotary base assembly (63).

6. The electromagnetic switch assembling and conveying method is characterized in that a divider drives a jig assembly (22) on a turntable (21) to rotate in sequence, the jig assembly (22) is placed on a jig body (222) at a feeding station (201), a plastic seat is clamped and positioned through ball plungers at two sides, a confirmation cylinder (241) drives a confirmation pressing block (242) to descend at a confirmation station (202), and whether the plastic seat is assembled in place is detected; then, at a magnetic ring assembling station (203), a lifting cylinder (251) drives a lifting plate (252) to rise, so that a thimble (223) is lifted, the thimble (223) drives a jig body (222) to lift, the magnetic ring is assembled, then the magnetic ring is continuously conveyed to a later station and clamped by a stepping carrying mechanism (61) to enter a linear conveying device (6), the stepping carrying mechanism (61) clamps an electromagnetic switch to move between a setting seat (62) and a rotating seat assembly (63), corresponding assembling operation is carried out at a corresponding station, and finally whether the assembled product is qualified or not is detected by a vision camera (65).

7. An electromagnetic switch die feeding and conveying system comprising a die feeding device and the electromagnetic switch assembly conveying line of claim 1; the pressing sheet feeding device comprises a folding plate (51), a transverse moving cylinder (52), a transverse moving seat (53), a longitudinal moving cylinder (54), a longitudinal moving seat (551), a floating seat (552), a pressing head assembly (56), a vibration feeding assembly (57), a vertical seat (58) and a positioning seat (59); the folding plate (51) is fixed on the frame, the transverse moving seat (53) is movably connected to the folding plate (51) through a sliding rail, the telescopic end of the transverse moving cylinder (52) is connected with the transverse moving seat (53), and the transverse moving cylinder (52) is arranged on the folding plate (51); the longitudinal moving cylinder (54) is installed on the transverse moving seat (53), the longitudinal moving seat (551) is arranged at the telescopic end of the longitudinal moving cylinder (54), the floating seat (552) is arranged inside the longitudinal moving seat (551), balls floating through springs are arranged on the upper surface and the lower surface of the floating seat (552) to be contacted with the longitudinal moving seat (551), and a bolt is arranged on the lateral side of the longitudinal moving seat (551) and the floating seat (552) to be connected; the pressure head assembly (56) is connected to the longitudinal moving seat (551), the positioning seat (59) is fixed at the top of the vertical seat (58), and the positioning seat (59) corresponds to the lower part of the pressure head assembly (56); the vibration feeding component (57) corresponds to the side of the positioning seat (59).