CN110614411A

CN110614411A - Pipe fitting drilling equipment based on electrolytic machining

Info

Publication number: CN110614411A
Application number: CN201911044610.0A
Authority: CN
Inventors: 刘付生; 刘杰
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2019-12-27

Abstract

The pipe fitting drilling device based on electrolytic machining comprises a box body; a support column is vertically arranged on the surface of the box body, and the top end of the support column is fixedly connected with a first positioning mechanism; the first positioning mechanism is used for fixing the top of the pipe body; a liquid discharge hopper is connected to an inlet on the surface of the box body, a supporting mechanism is arranged inside the liquid discharge hopper, and the liquid discharge hopper is used for gathering electrolyte; a filter screen is arranged at the outlet of the liquid discharge hopper; the supporting mechanism is assembled and connected with a second positioning mechanism, and the second positioning mechanism is used for fixing the bottom end of the pipe body; the pipe body, the second positioning mechanism, the supporting mechanism and the liquid discharge hopper are sequentially communicated from top to bottom; an electrolytic drilling mechanism is arranged on one side of the box body; according to the invention, the upper part and the lower part of the pipe body can be simultaneously positioned through the first positioning mechanism and the second positioning mechanism, so that the pipe fitting is firmer in processing and cannot drop or shift; the electrolyte can be collected and discharged by a drain.

Description

Pipe fitting drilling equipment based on electrolytic machining

Technical Field

The invention belongs to the technical field of electrolytic machining, and particularly relates to a pipe fitting drilling device based on electrolytic machining.

Background

Electrolytic machining is a special machining method for machining and shaping workpieces by utilizing the principle that metal generates electrochemical anodic dissolution in electrolyte. During machining, the workpiece is connected with the positive pole of a direct current power supply, the tool is connected with the negative pole, and a small gap is kept between the two poles. The electrolyte flows through the interelectrode gap to form a conductive path between the two electrodes, and generates a current under a power supply voltage, thereby forming electrochemical anodic dissolution. With the continuous feeding of the tool relative to the workpiece, the metal of the workpiece is continuously electrolyzed, the electrolysis product is continuously washed away by the electrolyte, finally, the gaps at all positions between the two electrodes tend to be consistent, and the surface of the workpiece forms a shape basically similar to the working surface of the tool;

in practical production, the pipe fitting is processed by an electrolytic method, but the following defects exist in the process of electrolytic drilling: 1. the tube body is not firmly fixed, the stability is not enough, and the number of positioning parts is small; 2. lack better liquid water conservancy diversion structure, electrolyte can spill to the processing platform on, lead to the processing platform dirty and disorderly, and the electrolyte that flows at will can cause certain corruption to processing equipment.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a pipe fitting drilling device based on electrolytic machining, and the specific technical scheme is as follows:

the pipe fitting drilling device based on electrolytic machining comprises a box body; a support column is vertically arranged on the surface of the box body, and the top end of the support column is fixedly connected with a first positioning mechanism; the first positioning mechanism is used for fixing the top of the pipe body; a liquid discharge hopper is connected to an inlet on the surface of the box body, a supporting mechanism is arranged inside the liquid discharge hopper, and the liquid discharge hopper is used for gathering electrolyte; a filter screen is arranged at the outlet of the liquid discharge hopper; the supporting mechanism is assembled and connected with a second positioning mechanism, and the second positioning mechanism is used for fixing the bottom end of the pipe body; the pipe body, the second positioning mechanism, the supporting mechanism and the liquid discharge hopper are sequentially communicated from top to bottom; and an electrolytic drilling mechanism is installed on one side of the box body and is used for electrolytically drilling the pipe body.

Further, second positioning mechanism includes cooperation pipe, ring and first connecting pipe, the cooperation pipe imbed in the inside bottom of body, the cooperation pipe with the laminating of body inner wall, the cooperation pipe is located the top surface of ring, the ring laminate in the bottom surface of body, the diameter of ring is greater than the diameter of body, the bottom surface of ring is equipped with first connecting pipe, first connecting pipe assembly connection supporting mechanism, first connecting pipe the ring the cooperation is managed and is communicated each other.

Further, the supporting mechanism comprises a second connecting pipe and a supporting rod, the inner portion of the second connecting pipe is in threaded connection with the first connecting pipe, the outer wall of the second connecting pipe is provided with a plurality of supporting rods, and the supporting rods deviate from one ends of the second connecting pipe and are fixedly connected with the inner wall of the liquid discharge hopper.

Further, the drain bucket, the second connecting pipe and the second positioning mechanism are all located at the same central line.

Furthermore, the number of the support rods is three, and the support rods are distributed in a triangular conical shape.

Further, first positioning mechanism includes dead lever, fixed plate and splint, the one end of dead lever with the perpendicular fixed connection of pillar, the other end of dead lever is connected perpendicularly the fixed plate, the fixed plate with pillar mutually perpendicular distributes, the fixed plate deviates from two spouts, every have all been embedded into to the side symmetry of dead lever the spring in the spout, the inside sliding connection of spout has splint, splint with the end connection of spring, splint with body mutually perpendicular distributes, the splint centre gripping laminate in the outer wall of body.

Further, the drain hopper is funnel-shaped, the drain hopper with pass through threaded connection between the entrance of box.

The invention has the beneficial effects that:

1. the upper part and the lower part of the pipe body can be simultaneously positioned through the first positioning mechanism and the second positioning mechanism, so that the pipe fitting is firmer in processing and cannot drop or shift; the positioning sizes of the first positioning mechanism and the second positioning mechanism can be changed, so that the positioning requirements of pipe fittings with different sizes are met;

2. the second positioning mechanism can guide the electrolyte into the liquid discharge hopper while supporting and positioning, so that the normal flow of the liquid is ensured; the setting of leakage fluid dram can unify the gathering to the outside and inside liquid of body for electrolyte all can finally retrieve to the box in through the leakage fluid dram, guarantees the clean of workstation, avoids electrolyte extravagant.

Drawings

FIG. 1 shows a schematic diagram of an electrochemical machining-based pipe drilling apparatus according to the present invention;

FIG. 2 is a schematic view of the internal connection of the drain bucket of the present invention;

FIG. 3 is a schematic view of the connection structure of the second positioning mechanism and the supporting mechanism of the present invention;

FIG. 4 shows a schematic structural view of a first positioning mechanism of the present invention;

shown in the figure: 1. the device comprises a box body, 2, a support column, 3, a first positioning mechanism, 31, a fixing rod, 32, a fixing plate, 321, a sliding groove, 322, a spring, 33, a clamping plate, 4, a liquid discharging hopper, 41, a filter screen, 5, an electrolytic drilling mechanism, 6, a pipe body, 7, a second positioning mechanism, 71, a matching pipe, 72, a supporting ring, 73, a first connecting pipe, 8, a supporting mechanism, 81, a second connecting pipe, 82 and a supporting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The pipe fitting drilling device based on electrolytic machining comprises a box body 1; a support column 2 is vertically arranged on the surface of the box body 1, and the top end of the support column 2 is fixedly connected with a first positioning mechanism 3; the first positioning mechanism 3 is used for fixing the top of the pipe body 6;

a liquid discharge hopper 4 is connected to an inlet on the surface of the box body 1, a supporting mechanism 8 is arranged inside the liquid discharge hopper 4, the liquid discharge hopper 4 is used for gathering electrolyte, and a filter screen 41 is arranged at an outlet of the liquid discharge hopper 4; electrolyte in the whole processing process is gathered in the liquid discharge hopper 4, so that the electrolyte is prevented from flowing disorderly and accumulating, the processing site is ensured to be clean, and the collected electrolyte can be directly filtered and recycled into the box body 1 so as to be recycled;

the supporting mechanism 8 is assembled and connected with a second positioning mechanism 7, and the second positioning mechanism 7 is used for fixing the bottom end of the pipe body 6; the first positioning mechanism 3 and the second positioning mechanism 7 are arranged to position the pipe body 6 from the top and bottom directions, so that the stability of the pipe body in processing is ensured; the pipe body 6, the second positioning mechanism 7, the supporting mechanism 8 and the liquid discharge hopper 4 are sequentially communicated from top to bottom; the second positioning mechanism 7 is used for ensuring that the second positioning mechanism can support the pipe body 6 and can ensure the normal discharge of the electrolyte;

an electrolytic drilling mechanism 5 is installed on one side of the box body 1, and the electrolytic drilling mechanism 5 is used for performing electrolytic drilling on the pipe body 6; the electrolytic drilling mechanism 5 is used for conventional drilling processing of the pipe body 6, and the electrolytic drilling mechanism 5 adopts existing equipment.

As an improvement of the above technical solution, the second positioning mechanism 7 includes a matching pipe 71, a supporting ring 72 and a first connecting pipe 73, the matching pipe 71 is embedded in the bottom end of the interior of the pipe body 6, and the matching pipe 71 is attached to the inner wall of the pipe body 6; the matching pipe 71 is used for extending into the pipe body 6 and supporting the pipe body 6 from inside to outside so as to prevent the pipe body 6 from deviating to one side;

the matching pipe 71 is arranged on the top surface of the supporting ring 72, the supporting ring 72 is attached to the bottom surface of the pipe body 6, the diameter of the supporting ring 72 is larger than that of the pipe body 6, and the supporting ring 72 is used for supporting the pipe body 6 from the bottom, so that the supporting and positioning from the bottom are realized, and the quick positioning of the pipe body 6 is facilitated;

a first connecting pipe 73 is arranged on the bottom surface of the supporting ring 72, the first connecting pipe 73 is assembled and connected with the supporting mechanism 8, and the first connecting pipe 73, the supporting ring 72 and the matching pipe 71 are communicated with each other; the first connecting pipe 73 is an assembly part, and all structures are communicated with each other to ensure that liquid can flow normally while supporting and positioning; when the diameter of body 6 changed, the staff can pull down second positioning mechanism 7, selected size suitable second positioning mechanism 7, and different models can be made according to the diameter kind of required processing body to second positioning mechanism 7, and its cooperation pipe of the second positioning mechanism of different models, the diameter of filler ring are inequality but the size of first connecting pipe remains unchanged to guarantee that every second positioning mechanism all can assemble with supporting mechanism.

As an improvement of the above technical solution, the supporting mechanism 8 includes a second connecting pipe 81 and a supporting rod 82, the inner portion of the second connecting pipe 81 is connected to the first connecting pipe 73 by a thread, the outer wall of the second connecting pipe 81 is provided with a plurality of supporting rods 82, and one end of each supporting rod 82 departing from the second connecting pipe 81 is fixedly connected to the inner wall of the liquid discharge hopper 4; the support mechanism 8 can be quickly fixed in a threaded connection mode, and is simple and convenient to mount and dismount; the support rod 82 is used for stably supporting the second connection pipe 81.

As an improvement of the above technical solution, the drain bucket 4, the second connecting pipe 81 and the second positioning mechanism 7 are all located at the same center line; are positioned in the same center line to ensure the normal flow of liquid.

As an improvement of the above technical solution, three support rods 82 are provided, and the support rods 82 are distributed in a triangular cone shape; the supporting effect of the supporting rods 82 distributed in a triangular mode is better, and the structure is more stable.

As an improvement of the above technical solution, the first positioning mechanism 3 includes a fixing rod 31, a fixing plate 32 and a clamping plate 33, one end of the fixing rod 31 is vertically and fixedly connected with the pillar 2, the other end of the fixing rod 31 is vertically connected with the fixing plate 32, the fixing plate 32 and the pillar 2 are vertically distributed, two sliding grooves 321 are symmetrically formed in the side surface of the fixing plate 32 away from the fixing rod 31, a spring 322 is embedded in each sliding groove 321, the clamping plate 33 is slidably connected to the inside of the sliding groove 321, the clamping plate 33 is connected with the end of the spring 322, the clamping plate 33 and the pipe body 6 are vertically distributed, and the clamping plate 33 is clamped and attached to the outer wall of the pipe body 6; two splint 33 through bilateral symmetry can realize the stable centre gripping to body 6 to when body 6 assembles with second positioning mechanism 7, can imbed body 6's top between two splint 33, realize fixing a position two upper and lower simultaneously.

As an improvement of the above technical solution, the drain hopper 4 is funnel-shaped, and the drain hopper 4 is connected with the inlet of the box body 1 through threads; the funnel-shaped liquid can be conveniently and rapidly collected, and the collection surface is wider; the drain hopper 4 adopts a threaded connection mode, so that the filter screen 41 can be conveniently cleaned.

In the practice of the present invention, the catalyst is,

during installation, a second positioning mechanism 7 matched with a pipe fitting to be processed is selected, the first connecting pipe 73 is screwed into the second connecting pipe 81, the bottom end of the pipe body 6 is sleeved outside the matching pipe 71, the pipe body 6 is placed on the supporting ring 72, meanwhile, the upper portion of the pipe body 6 is plugged between the two clamping plates 33, and the chamfering structure at the end portions of the clamping plates 33 is convenient for plugging the pipe body 6; when tubular body 6 enters two jaws 33, jaws 33 move outwards and stretch spring 32, spring 32 pulls jaws 33 in opposite directions, so as to clamp tubular body 6;

during processing, the clamping plate 33 is made of a conductive material, the clamping plate 33 conducts the current of the positive electrode to the pipe body 6, so that the pipe body 6 is the positive electrode, the electrolytic drilling mechanism comprises an electrolytic tool, a pneumatic sliding rail, an electrolyte sprayer and a pneumatic rod, and the electrolytic tool is the negative electrode; the pneumatic rod drives the electrolysis tool to move up and down to enable the electrolysis tool to move to a specified drilling position, then the pneumatic slide rail drives the electrolysis tool to move horizontally to start electrolysis, and the electrolyte nozzle sprays electrolyte onto the pipe body 6; before the tool electrode does not penetrate into the pipe body 6, the sprayed liquid flows downwards along the outer wall of the pipe body 6 to the liquid discharge hopper 4, then the electrolyte is filtered by the filter screen 41, and finally the electrolyte is recycled to enter the box body 1; after the electrolyte penetrates and extends into the pipe body 6, the electrolyte flows downwards through the inside of the pipe body 6, then sequentially passes through the matching pipe 71, the supporting ring 72, the first connecting pipe 73 and the second connecting pipe 81, and finally is discharged to the drain hopper 4.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. Pipe fitting drilling equipment based on electrolytic machining, its characterized in that: comprises a box body (1); a support column (2) is vertically arranged on the surface of the box body (1), and the top end of the support column (2) is fixedly connected with a first positioning mechanism (3); the first positioning mechanism (3) is used for fixing the top of the pipe body (6);

a surface inlet of the box body (1) is connected with a liquid discharge hopper (4), a supporting mechanism (8) is arranged inside the liquid discharge hopper (4), and the liquid discharge hopper (4) is used for gathering electrolyte; a filter screen (41) is arranged at the outlet of the liquid discharge hopper (4); the supporting mechanism (8) is assembled and connected with a second positioning mechanism (7), and the second positioning mechanism (7) is used for fixing the bottom end of the pipe body (6); the pipe body (6), the second positioning mechanism (7), the supporting mechanism (8) and the liquid discharge hopper (4) are communicated in sequence from top to bottom; electrolytic drilling mechanism (5) are installed to one side of box (1), electrolytic drilling mechanism (5) are used for right body (6) carry out the electrolytic drilling.

2. The electrolytic machining-based pipe drilling apparatus of claim 1, wherein: second positioning mechanism (7) are including cooperation pipe (71), filler ring (72) and first connecting pipe (73), cooperation pipe (71) imbed in the inside bottom of body (6), cooperation pipe (71) with the laminating of body (6) inner wall, cooperation pipe (71) are located the top surface of filler ring (72), filler ring (72) laminate in the bottom surface of body (6), the diameter of filler ring (72) is greater than the diameter of body (6), the bottom surface of filler ring (72) is equipped with first connecting pipe (73), first connecting pipe (73) assembled connection supporting connection mechanism (8), first connecting pipe (73) filler ring (72), communicate each other between cooperation pipe (71).

3. The electrolytic machining-based pipe drilling apparatus of claim 2, wherein: supporting mechanism (8) include second connecting pipe (81) and bracing piece (82), the inside threaded connection of second connecting pipe (81) first connecting pipe (73), the outer wall of second connecting pipe (81) is equipped with a plurality ofly bracing piece (82), bracing piece (82) deviate from the one end fixed connection of second connecting pipe (81) the inner wall of flowing back fill (4).

4. The electrolytic machining-based pipe drilling apparatus of claim 3, wherein: the drain hopper (4), the second connecting pipe (81) and the second positioning mechanism (7) are all located at the same central line.

5. The electrolytic machining-based pipe drilling apparatus of claim 3, wherein: the number of the support rods (82) is three, and the support rods (82) are distributed in a triangular conical shape.

6. The electrolytic machining-based pipe drilling apparatus of claim 1, wherein: first positioning mechanism (3) include dead lever (31), fixed plate (32) and splint (33), the one end of dead lever (31) with pillar (2) perpendicular fixed connection, the other end of dead lever (31) is connected perpendicularly fixed plate (32), fixed plate (32) with pillar (2) mutually perpendicular distributes, fixed plate (32) deviate from two spout (321) have been seted up to the side symmetry of dead lever (31), every all embedded spring (322) in spout (321), the inside sliding connection of spout (321) has splint (33), splint (33) with the end connection of spring (322), splint (33) with body (6) mutually perpendicular distributes, splint (33) centre gripping laminate in the outer wall of body (6).

7. The pipe drilling apparatus based on electrolytic machining according to any one of claims 1 to 6, wherein: the liquid discharge hopper (4) is funnel-shaped, and the liquid discharge hopper (4) is connected with the inlet of the box body (1) through threads.