CN215034248U - Pore discharge punching machine - Google Patents

Abstract

The utility model provides a pore discharge perforator, including fuselage, workstation, XYZ axial displacement device, elevating gear, main shaft device, beam tube device and electrode tube diverting device, workstation and XYZ axial displacement device are all installed on the fuselage, elevating gear installs on XYZ axial displacement device, main shaft device and beam tube device are all installed on elevating gear, electrode tube diverting device installs under elevating gear, XYZ axial displacement device drive elevating gear drives main shaft device, beam tube device and electrode tube diverting device along XYZ axial motion, elevating gear can drive main shaft device or beam tube device alone and be the elevating movement, rotary motion is done to main shaft device, beam tube device is the motion of opening and shutting.

Description

Pore discharge punching machine

Technical Field

The utility model relates to a spot facing work equipment field specifically is a pore hole puncher that discharges.

Background

A fine hole electric discharge machine is a device for processing fine holes. Before the work, generally carry out the centre gripping to the upper end of copper pipe through the chuck, assemble the chuck on the pore discharge machine through the manual work again, in operation, pore discharge machine drive chuck drives the copper pipe and makes rotary motion downwards and simultaneously, after the copper pipe passed electrode tube eduction gear, pass through electrode tube eduction gear with the current transfer to the copper pipe on, realize that the copper pipe carries out pulse spark discharge as the electrode pair work piece, the high temperature that produces through discharging corrodes the work piece in order to process out the pore during, in this process, the copper pipe can be consumed and lead to the length to shorten.

The manufacturing accuracy of the chuck is not high, the initial length of the copper pipe is long, the chuck drives the copper pipe to rotate, the copper pipe is easy to generate large radial runout, the radial runout of the copper pipe can be greatly reduced through the electrode pipe guiding device, a certain gap still exists between the copper pipe and the electrode pipe guiding device, the runout of the copper pipe is difficult to be reduced to the minimum, and a fine hole with high precision is difficult to be processed.

Disclosure of Invention

An object of the utility model is to provide a pore discharge puncher to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a pore discharge perforating machine comprises a machine body, a workbench, an XYZ axial moving device, a lifting device, a spindle device, a tube bundling device and an electrode tube guiding device, wherein the workbench and the XYZ axial moving device are both arranged on the machine body, the lifting device is arranged on the XYZ axial moving device, the spindle device and the tube bundling device are both arranged on the lifting device, the electrode tube guiding device is arranged under the lifting device, the XYZ axial moving device drives the lifting device to drive the spindle device, the tube bundling device and the electrode tube guiding device to move along the XYZ axial direction, the lifting device can independently drive the spindle device or the tube bundling device to do lifting movement, the spindle device does rotation movement, and the tube bundling device does opening and closing movement.

Further, the XYZ axial moving device comprises a Y axial moving mechanism, a portal frame, an X axial moving mechanism and a Z axial moving mechanism, wherein the portal frame is installed on the Y axial moving mechanism, the X-axis driving mechanism is installed on the portal frame, and the Z axial moving mechanism is installed on the X axial moving mechanism.

Further, the spindle device comprises an automatic clamping mechanism and a first rotating mechanism, wherein the first rotating mechanism is installed on the automatic clamping mechanism, and drives the automatic clamping mechanism to rotate.

Further, automatic clamping mechanism includes bearing frame, cavity rotation axis, lift actuating mechanism and elasticity locking mechanism, cavity rotation axis rotatable coupling is in the bearing frame, lift actuating mechanism installs on the bearing frame, elasticity locking mechanism installs on the cavity rotation axis, a rotary mechanism drive cavity rotation axis drives elasticity locking mechanism and is rotary motion, lift actuating mechanism drive elasticity locking mechanism moves down and realizes its unblock.

Further, elasticity locking mechanism holds the seat including lock sleeve, steel ball, spring one and spring, the cavity rotation axis has down the shaft part, the holding tank has been seted up to the shaft part down, set up a plurality of through-holes on the circumference wall of shaft part down, the steel ball sets up a plurality ofly and is located a plurality of through-holes respectively, and is a plurality of the through-hole is circumference array distribution and all communicates with the holding tank, the lock sleeve can be established outside the shaft part down with moving about, the throat structure that the internal diameter from the top down reduced gradually has in the lower extreme of lock sleeve, spring one is established and holds between the seat at lock sleeve and spring, the spring holds the seat suit outside the cavity rotation axis.

Further, the lock sleeve comprises a plurality of upper guide blocks and a T-shaped sliding sleeve, the upper guide blocks are fixedly arranged on the T-shaped sliding sleeve and distributed in a circumferential array mode, and the upper end of the first spring is sleeved outside the lower end of the T-shaped sliding sleeve.

Further, the spring holds the seat and includes cavity base, a plurality of guide block and internal thread cover down, the counter sink has been seted up on the cavity base, the lower extreme of spring one is located the counter sink, and is a plurality of the lower guide block all sets firmly on the cavity base and is the circumference array and distributes, the peripheral outside extension of internal thread cover has a plurality of engaging lugs, and is a plurality of the engaging lug is installed respectively under a plurality of on the guide block.

Furthermore, the tube bundling device comprises an opening and closing driving mechanism, a left claw and a right claw, wherein a left V-shaped chuck and a right V-shaped chuck are respectively arranged on opposite surfaces of the left claw and the right claw, and the opening and closing driving mechanism drives the left claw and the right claw to move in opposite directions or in opposite directions.

Further, still include electrode tube introduction seat, electrode tube introduction seat installs on the beam tube device, electrode tube introduction seat is last to have seted up tubaeform breach, dodge the hole and dodge the groove, tubaeform breach through dodging the hole with dodge the groove intercommunication.

The feeding and discharging device is mounted on the lifting device and comprises a linear moving mechanism, a second rotating mechanism and a chuck storage disc, the second rotating mechanism is mounted on the linear moving mechanism, the chuck storage disc is mounted on the second rotating mechanism, the second linear moving mechanism drives the second rotating mechanism to drive the chuck storage disc to do linear motion, and the second rotating mechanism drives the chuck storage disc to do rotary motion.

The utility model has the advantages that:

before work, a workpiece is fixed on a workbench through a clamp, an XYZ axial moving device drives a lifting device to drive a main shaft device, a tube bundle device and an electrode tube guiding device to rise to a certain height so as to ensure that the electrode tube guiding device is higher than the workpiece and is separated from the workpiece by a certain distance, and a clamp head for clamping a copper tube is assembled on the main shaft device;

during operation, firstly, the XYZ axial moving device drives the lifting device to drive the main shaft device, the tube bundling device and the electrode tube guiding device to move in place along the horizontal plane direction, so that the copper tube can move in place, then the tube bundling device does combined movement to limit the copper tube in a certain space, then the main shaft device drives the chuck to drive the copper tube to do rotary movement, meanwhile, the lifting device drives the main shaft device and the tube bundling device to move downwards, so that the copper tube moves downwards to enable the copper tube to process a fine hole on a workpiece through discharge corrosion, in the process, under the limiting action of the tube bundling device, radial runout of the copper tube during rotation is reduced to the maximum extent, and finally, the fine hole with high precision can be processed.

Drawings

FIG. 1: a three-dimensional schematic view of a fine hole discharge puncher.

FIG. 2: an enlarged schematic view of a fine hole discharge piercing machine at a point a.

FIG. 3: an exploded view of a spindle device for a fine hole discharge drilling machine.

FIG. 4: a front view of a spindle device of a fine hole discharge drilling machine.

FIG. 5: a cross-sectional view of a spindle device of a fine hole discharge drilling machine.

FIG. 6: a three-dimensional schematic diagram of a tube bundle device of a fine hole discharge puncher.

FIG. 7: a three-dimensional schematic diagram of an electrode tube guide seat of a fine-hole discharge puncher.

FIG. 8: a front view schematic diagram of a loading and unloading device of a fine hole discharge punching machine.

FIG. 9: a partial three-dimensional schematic diagram of a feeding and discharging device of a fine hole discharge punching machine.

FIG. 10: a three-dimensional schematic diagram of a chuck storage disc of a fine hole discharge puncher.

Detailed Description

The invention is further explained below with reference to the drawings:

referring to fig. 1 and 2, a fine hole discharge drilling machine includes a machine body 1, a worktable 2, an XYZ axial movement device 3, a lifting device 4, a spindle device 5, a beam tube device 6 and an electrode tube lead-out device 7, wherein the worktable 2 and the XYZ axial movement device 3 are both mounted on the machine body 1, the lifting device 4 is mounted on the XYZ axial movement device 3, the spindle device 5 and the beam tube device 6 are both mounted on a lifting part of the lifting device 4, the electrode tube lead-out device 7 is mounted under the lifting device 4, the XYZ axial movement device 3 drives the lifting device 4 to drive the spindle device 5, the beam tube device 6 and the electrode tube lead-out device 7 to move along XYZ axial directions, the lifting device 4 can independently drive the spindle device 5 or the beam tube device 6 to move up and down, the lifting device 4 can also drive the spindle device 5 and the beam tube device 6 to synchronously move up and down, the spindle device 5 rotates, the beam tube device 6 performs opening and closing movement.

The XYZ axial moving device 3 comprises a Y axial moving mechanism, a portal frame, an X axial moving mechanism and a Z axial moving mechanism, the portal frame is arranged on the Y axial moving mechanism, an X axial driving mechanism is arranged on the portal frame, the Z axial moving mechanism is arranged on the X axial moving mechanism, the Y axial moving mechanism drives the portal frame to drive the X axial moving mechanism to move back and forth, the X axial moving mechanism drives the Z axial moving mechanism to move left and right, and the Z axial moving mechanism is lifted.

The lifting device 4 may be a linear module disclosed in chinese patent application No. CN201620383869.3, published as 2016-04-29.

Referring to fig. 3, the spindle device 5 includes an automatic chuck 51 and a first rotating mechanism 52, the first rotating mechanism 52 is mounted on the automatic chuck 51, and the first rotating mechanism 52 drives the automatic chuck 51 to rotate. The chuck A1 can be rapidly disassembled or assembled through the automatic clamping mechanism 51, so that labor is saved, and the working efficiency is improved.

Referring to fig. 3 and 5, the automatic clamping mechanism 51 includes a bearing seat 511, a hollow rotating shaft 512, a lifting driving mechanism 513 and an elastic locking mechanism 514, the hollow rotating shaft 512 is rotatably connected in the bearing seat 511, the lifting driving mechanism 513 is installed on the bearing seat 511, the elastic locking mechanism 514 is installed on the hollow rotating shaft 512, the first rotating mechanism 52 drives the hollow rotating shaft 512 to drive the elastic locking mechanism 514 to rotate, and the lifting driving mechanism 513 drives the elastic locking mechanism 514 to move downward to realize unlocking.

Referring to fig. 3 and 5, the lifting driving mechanism 513 includes a cylinder 5131 and a hollow lifting plate 5132, the hollow lifting plate 5132 is sleeved outside the hollow rotating shaft 512, two sides of the hollow lifting plate 5132 are respectively installed on the bearing blocks 511 through the cylinder 5131, and the two groups of cylinders 5131 synchronously drive the hollow lifting plate 5132 to perform lifting movement.

Referring to fig. 3 and 5, the elastic locking mechanism 514 includes a lock sleeve 5141, steel balls 5142, a first spring 5143 and a spring receiving seat 5144, a lower shaft section 5121 is disposed under the hollow rotating shaft 512, the lower shaft section 5121 is provided with a receiving groove 5122, a plurality of through holes 5123 are disposed on a circumferential wall of the lower shaft section 5121, the steel balls 5142 are disposed in the plurality of through holes 5123, the plurality of through holes 5123 are distributed in a circumferential array and are all communicated with the receiving groove 5122, an inner end of the through hole 5123 is higher than an outer end of the through hole 5123, so as to achieve an inclined arrangement of the through hole 5123, so as to avoid a probability that the steel balls 5142 fall out from the inner end of the through hole 5123, the lock sleeve 5141 is movably sleeved outside the lower shaft section 5121 up and down, a tapered structure whose inner diameter is gradually reduced from top to bottom is disposed in a lower end of the lock sleeve 5141, the first spring 5143 is disposed between the lock sleeve 5141 and the spring receiving seat 5144, and the hollow receiving seat 5144 is sleeved outside the rotating shaft 512.

Referring to fig. 3 and 4, the lock sleeve 5141 includes a plurality of upper guide blocks 5141-1 and a T-shaped sliding sleeve 5141-2, the plurality of upper guide blocks 5141-1 are all fixedly disposed on the T-shaped sliding sleeve 5141-2 and are distributed in a circumferential array, and the upper end of the first spring 5143 is sleeved outside the lower end of the T-shaped sliding sleeve 5141-2.

The spring clamping device further comprises a guide ring, an annular groove is formed in the periphery of the upper end of the spring accommodating seat 5144, the guide ring is sleeved outside the annular groove, the periphery of the upper end of the lock sleeve 5141 is slidably connected with the inner peripheral wall of the guide ring, and the guide ring is used for enabling the lock sleeve 5141 to be concentric with the hollow rotating shaft 512, so that the stroke that the necking structure of the lock sleeve 5141 drives the steel balls 5142 to move inwards is consistent, and the uniformity of the clamping effect is ensured.

Referring to fig. 3 and 4, the spring receiving seat 5144 includes a hollow base 5144-1, a plurality of lower guide blocks 5144-2 and an internal thread sleeve 5144-3, the hollow base 5144-1 is provided with a countersunk hole, the lower end of the spring 5143 is located in the countersunk hole, the plurality of lower guide blocks 5144-2 are all fixedly disposed on the hollow base 5144-1 and are distributed in a circumferential array, a plurality of engaging lugs extend outward from the periphery of the internal thread sleeve 5144-3, the plurality of engaging lugs are respectively mounted on the plurality of lower guide blocks 5144-2, and the plurality of lower guide blocks 5144-2 and the plurality of upper guide blocks 5141-1 are in staggered engagement to guide the T-shaped sliding sleeve 5141-2, so that the T-shaped sliding sleeve 5141-2 can move in the up and down direction all the time.

Referring to fig. 3, a circle of ball slots a11 is formed in the periphery of the upper end of the chuck a1, and a circle of chamfer structures a12 is formed at the upper corner of the ball slot a 11.

Disassembly procedure of cartridge a 1: 1. the two groups of cylinders 5131 synchronously drive the hollow lifting plate 5132 to drive the T-shaped sliding sleeve 5141-2 to move downwards through the plurality of upper guide blocks 5141-1 so as to compress the first spring 5143, so that the necking structure moves downwards, and at the moment, the steel balls 5142 can move axially along the through holes 5123; 2. the lifting device 4 drives the spindle device 5 to move upwards to enable the chuck A1 to move downwards relative to the spindle device 5, in the process, the chuck A1 drives the steel balls 5142 to move outwards through the chamfer structure A12 to withdraw from the steel ball clamping groove A11, so that the chuck A1 is unlocked, and at the moment, the chuck A1 falls downwards out of the automatic clamping mechanism 51.

Assembly process of clip a 1: 1. the upper end of the cartridge a1 is inserted into the receiving groove 5122; 2. the two groups of cylinders 5131 synchronously drive the hollow lifting plate 5132 to move upwards, the first spring 5143 drives the T-shaped sliding sleeve 5141-2 to link the plurality of upper guide blocks 5141-1 to move upwards through elasticity, and in the process, the necking structure moves upwards to drive the plurality of steel balls 5142 to move inwards to clamp the steel ball clamping groove A11, so that the clamping head A1 is locked.

After the chuck A1 is locked, the first rotating mechanism 52 can drive the hollow rotating shaft 512 to drive the chuck A1 to link with the copper tube to rotate through a plurality of steel balls 5142.

The first rotating mechanism 52 comprises a motor, a driving gear, a driven gear and a gear box, the gear box is installed on the automatic clamping mechanism 51, the driving gear and the driven gear are both located in the gear box, the driving gear is meshed with the driven gear, the motor is installed on the gear box, the output end of the motor faces downwards, the driving gear is sleeved on the output end of the motor, the driven gear is sleeved outside the upper end of the hollow rotating shaft 512, and the motor drives the driving gear to be meshed with the driven gear to drive the hollow rotating shaft 512 to rotate.

The cooling liquid guiding device comprises a flow guide block and a hollow guide pillar, a cooling liquid passageway is formed in the flow guide block, the upper end of the hollow guide pillar is fixedly arranged in the lower end of the cooling liquid passageway, the upper end of the hollow guide pillar is inserted into a counter bore in the upper end of the hollow rotating shaft 512, and a cooling liquid output machine conveys cooling liquid into the cooling liquid passageway through a pipeline, then the cooling liquid sequentially penetrates through the hollow guide pillar, the hollow rotating shaft 512 and the chuck, and finally the cooling liquid is conveyed to the copper pipe.

Referring to fig. 6, the tube bundle device 6 includes a lifting seat, an opening and closing driving mechanism 61, a left claw 62 and a right claw 63, the opening and closing driving mechanism 61 is installed on the lifting seat, the left claw 62 and the right claw 63 are both installed on the opening and closing driving mechanism, a left V-shaped claw head 621 and a right V-shaped claw head 631 are respectively arranged on the opposite surfaces of the left claw 62 and the right claw 63, the left V-shaped claw head 621 and the right V-shaped claw head 631 are in staggered fit, and the opening and closing driving mechanism 61 drives the left claw 62 and the right claw 63 to move in opposite directions or in opposite directions. When the opening and closing driving mechanism 61 drives the left claw 62 and the right claw 63 to move oppositely, the copper pipe is limited in a rhombic area formed between the left V-shaped claw head 621 and the right V-shaped claw head 631, and the radial runout of the copper pipe during the rotation movement is maximally reduced.

Referring to fig. 6, the left V-shaped claw heads 621 are arranged in two rows in the vertical direction, two left V-shaped claw heads 621 are arranged at an interval, the right V-shaped claw heads 631 are arranged in three rows in the vertical direction, and an adjacent right V-shaped claw head 631 is arranged at an interval, so that the limit area of the tube bundling device 6 on the copper tube is increased, and the effect of limiting the radial runout of the copper tube is improved.

Referring to fig. 7, the device further includes an electrode tube guiding seat 8, the electrode tube guiding seat 8 is installed on a lifting seat of the beam tube device 6, the electrode tube guiding seat 8 is provided with a trumpet-shaped notch 81, an avoiding hole 82 and an avoiding groove 83, the trumpet-shaped notch 81 is communicated with the avoiding groove 83 through the avoiding hole 82, the trumpet-shaped notch 81 is used for guiding a next copper tube into the avoiding hole 82, the avoiding hole 82 is used for avoiding a chuck a1, and the avoiding groove 83 is used for avoiding the opening and closing driving mechanism 61, the left claw 62 and the right claw 63.

Referring to fig. 8, the device further includes a loading and unloading device 9 for storing and loading the cartridges containing new copper tubes and for storing and unloading the cartridges to be replaced, and the loading and unloading device 9 is mounted on the lifting device 6.

The loading and unloading device 9 comprises a linear moving mechanism 91, a second rotating mechanism 92 and a chuck containing disc 93, the second rotating mechanism 92 is installed on the linear moving mechanism 91, the chuck containing disc 93 is installed on the second rotating mechanism 92, the second rotating mechanism 92 is driven by the linear moving mechanism 91 to drive the chuck containing disc 93 to move left and right, and the second rotating mechanism 92 drives the chuck containing disc 93 to rotate.

Referring to fig. 2, the second rotating mechanism 92 includes a driving assembly 921, a rotating shaft 922 and an upper bushing 923, the rotating shaft 922 is in driving connection with the driving assembly 921, the chuck accommodating plate 93 is mounted on the rotating shaft 922 through the upper bushing 923, and the driving assembly 921 drives the rotating shaft 922 to drive the chuck accommodating plate 93 to rotate through the upper bushing 923.

The chuck accommodating plate 93 comprises a hollow rotating disk 931 and a cantilever 932, the hollow rotating disk 931 is mounted on the second rotating mechanism 92, one end of the cantilever 932 is fixedly arranged on the hollow rotating disk 931, the other end of the cantilever 932 is provided with a C-shaped bayonet 9321, the cantilever 932 is provided with at least two cantilevers 932, and the at least two cantilevers 932 are distributed in a circumferential array.

The upper end peripheral wall of the upper bushing 923 is provided with a threaded hole which is through along the radial direction, a jack screw is locked into the threaded hole to be tightly pressed against the rotating shaft 22, the lower end peripheral wall of the upper bushing 923 is provided with a key hole I which is through along the radial direction, the rotating shaft 22 is provided with a key hole II which is through along the radial direction, and the key hole I and the key hole II are connected through a long-strip key.

Still include lower bush 924 and spring, lower bush 924 and spring all overlap and establish outside rotation axis 22, and the spring is located between lower bush 924 and the chuck take-in disc 3, and lower bush 924 is used for supporting the spring, and the spring is used for supporting the influence of vibration to the rotary disk in order to reduce through elasticity to hollow rotary disk 931, realizes improving the stability of rotary disk.

The C-shaped mount 9321 is embedded with a magnet that is used to attract the cartridge a1 to assist in ensuring that it fits stably over the C-shaped mount 9321.

Referring to fig. 3, the C-shaped bayonet 9321 includes a C-shaped notch 9321-1 and a C-shaped protrusion 9321-2 disposed on an arc surface thereof.

The chuck A1 is provided with an annular clamping groove A13 matched with the C-shaped protrusion 9322, the chuck A1 is matched with the C-shaped protrusion 9322 through the annular clamping groove A13, and finally the chuck A1 is clamped and hung on the chuck storage disc 93.

The utility model discloses a theory of operation:

before work, a workpiece is fixed on a workbench 2 through a clamp, an XYZ axial moving device 3 drives a lifting device 4 to drive a spindle device 5, a beam tube device 6 and an electrode tube guiding device 7 to rise to a certain height so as to ensure that the electrode tube guiding device 7 is higher than the workpiece and is spaced from the workpiece by a certain distance, and a chuck A1 which clamps a copper tube is assembled on the spindle device 5;

when the device works, firstly, the XYZ axial moving device 3 drives the lifting device 4 to drive the spindle device 5, the tube bundling device 6 and the electrode tube guiding device 7 to move in place along the horizontal plane direction, so that the copper tube moves in place, then the tube bundling device 6 performs combined movement to limit the copper tube in a certain space, then the spindle device 5 drives the chuck A1 to drive the copper tube to perform rotary movement, meanwhile, the lifting device 4 drives the spindle device 5 and the tube bundling device 6 to move downwards, so that the copper tube moves downwards to enable the copper tube to process a fine hole on a workpiece through discharge corrosion. In the process, under the limiting action of the tube bundling device 6, the radial runout of the copper tube during rotation is reduced to the maximum extent, and finally, high-precision fine holes can be machined;

after a plurality of thin holes are machined, the copper pipe is consumed to cause the length to be shortened, when the tube bundling device 6 moves to a lower limit position, the lifting device 4 can stop driving the tube bundling device 6 and keep driving the main shaft device 5 to move downwards, when the chuck A1 is ready to be in contact with the tube bundling device 6, the tube bundling device 6 does stretching movement to avoid the chuck A1, because the length of the copper pipe is greatly shortened at the moment, the influence of radial jumping of the copper pipe during rotation on machining precision is very small, the chuck A1 can continue to drive the copper pipe to move downwards, the utilization rate of the copper pipe can be improved to the maximum, and waste is reduced;

in the process of pore processing, when the consumption of copper wires reaches the limit, a procedure of automatically replacing the copper wires is required, and the specific process is that 1, a lifting device 4 drives a main shaft device 5 and a tube bundling device 6 to move upwards in place, so that the resetting of a chuck A1 and the copper wires is realized; 2. the linear moving mechanism 91 drives the second rotating mechanism 92 to drive the chuck containing disc 93 to move rightwards, and the second rotating mechanism 92 drives the chuck containing disc 93 to rotate so that the empty C-shaped bayonet 9321 is matched with the annular clamping groove of the chuck A1; 3. the automatic clamping mechanism 51 automatically disassembles the chuck A1; 4. the lifting device 4 drives the main shaft device 5 to move upwards to a certain height, so that the chuck A1 is left on the C-shaped bayonet 9321; 5. the second rotating mechanism drives the chuck containing disc 93 to rotate to enable the next chuck A1 to move in place, a new copper pipe is clamped on the chuck A1, and in the process, the copper pipe enters the avoidance hole 82 through the guide of the horn-shaped notch 81, so that the copper pipe smoothly enters the tube bundling device 6, and the copper pipe can be limited smoothly by the tube bundling device 6 in the later period; 6. the lifting device 4 drives the spindle device 5 to move downwards, so that the automatic clamping mechanism 51 is sleeved outside the upper end of the chuck A1, and the automatic clamping mechanism 51 locks the chuck A1; 7. the XYZ axial moving device 3 drives the lifting device 4 to drive the spindle device 5, the tube bundle device 6 and the electrode tube guiding device 7 to move along the horizontal plane direction, so that the chuck A1 is separated from the C-shaped bayonet 9321; 9. the linear moving mechanism 91 drives the second rotating mechanism 92 to drive the chuck containing disc 93 to reset, and finally, the automatic copper tube replacing process is completed.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims (10)

1. A fine hole discharge piercing machine, characterized in that: the electrode tube guiding device is arranged under the lifting device, the XYZ axial moving device drives the lifting device to drive the main shaft device, the tube bundling device and the electrode tube guiding device to move axially along XYZ, the lifting device can independently drive the main shaft device or the tube bundling device to do lifting movement, the main shaft device does rotating movement, and the tube bundling device does opening and closing movement.

2. The fine-hole electric discharge piercing machine according to claim 1, wherein: the XYZ axial movement device comprises a Y axial movement mechanism, a portal frame, an X axial movement mechanism and a Z axial movement mechanism, wherein the portal frame is arranged on the Y axial movement mechanism, the X-axis driving mechanism is arranged on the portal frame, and the Z axial movement mechanism is arranged on the X axial movement mechanism.

3. The fine-hole electric discharge piercing machine according to claim 1, wherein: the spindle device comprises an automatic clamping mechanism and a first rotating mechanism, wherein the first rotating mechanism is arranged on the automatic clamping mechanism, and drives the automatic clamping mechanism to rotate.

4. The fine-hole electric discharge piercing machine according to claim 3, wherein: the automatic clamping mechanism comprises a bearing seat, a hollow rotating shaft, a lifting driving mechanism and an elastic locking mechanism, wherein the hollow rotating shaft is rotatably connected into the bearing seat, the lifting driving mechanism is installed on the bearing seat, the elastic locking mechanism is installed on the hollow rotating shaft, the rotating mechanism drives the hollow rotating shaft to drive the elastic locking mechanism to rotate, and the lifting driving mechanism drives the elastic locking mechanism to move downwards to unlock the elastic locking mechanism.

5. The fine-hole electric discharge piercing machine according to claim 4, wherein: elasticity locking mechanism holds the seat including lock sleeve, steel ball, spring one and spring, the cavity rotation axis has down the shaft part, the holding tank has been seted up to the shaft part down, set up a plurality of through-holes on the circumference wall of shaft part down, the steel ball sets up a plurality ofly and is located a plurality of through-holes respectively, and is a plurality of the through-hole is circumference array distribution and all communicates with the holding tank, the lock sleeve can be established outside the shaft part down with the ground cover moving about from top to bottom, the throat structure that the internal diameter from the top down reduced gradually has in the lower extreme of lock sleeve, spring one is established and holds between the seat at lock sleeve and spring, the spring holds the seat suit outside the cavity rotation axis.

6. The fine-hole electric discharge piercing machine according to claim 5, wherein: the lock sleeve comprises a plurality of upper guide blocks and a T-shaped sliding sleeve, the upper guide blocks are fixedly arranged on the T-shaped sliding sleeve and distributed in a circumferential array mode, and the upper end of the first spring is sleeved outside the lower end of the T-shaped sliding sleeve.

7. The fine-hole electric discharge piercing machine according to claim 5, wherein: the spring holds the seat and includes cavity base, a plurality of guide block and internal thread cover down, the counter sink has been seted up on the cavity base, the lower extreme of spring one is located the counter sink, and is a plurality of down the guide block all sets firmly on the cavity base and be the circumference array and distribute, the peripheral outside extension of internal thread cover has a plurality of engaging lugs, and is a plurality of the engaging lug is installed respectively under a plurality of on the guide block.

8. The fine-hole electric discharge piercing machine according to claim 1, wherein: the tube bundling device comprises an opening and closing driving mechanism, a left claw and a right claw, wherein a left V-shaped chuck and a right V-shaped chuck are respectively arranged on opposite surfaces of the left claw and the right claw, and the opening and closing driving mechanism drives the left claw and the right claw to move in opposite directions or in a back-to-back direction.

9. The fine-hole electric discharge piercing machine according to claim 1, wherein: still include the electrode tube introduction seat, the electrode tube introduction seat is installed on the beam tube device, set up tubaeform breach, dodge the hole and dodge the groove on the electrode tube introduction seat, tubaeform breach is through dodging the hole and dodging the groove intercommunication.

10. The fine-hole electric discharge piercing machine according to claim 1, wherein: the feeding and discharging device comprises a linear moving mechanism, a second rotating mechanism and a chuck storage disk, the second rotating mechanism is installed on the linear moving mechanism, the chuck storage disk is installed on the second rotating mechanism, the second linear moving mechanism drives the second rotating mechanism to drive the chuck storage disk to do linear motion, and the second rotating mechanism drives the chuck storage disk to do rotary motion.

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