CN215787276U

CN215787276U - High-precision wire cutting machine

Info

Publication number: CN215787276U
Application number: CN202121402464.7U
Authority: CN
Inventors: 林小龙
Original assignee: Suzhou Gaojingqin Prec Mold Co ltd
Current assignee: Suzhou Gaojingqin Prec Mold Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-02-11
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses a high-precision wire cutting machine which comprises a wire conveying arm and a cleaning mechanism, wherein a cutting wire is arranged at the output end of the wire conveying arm downwards, the cleaning mechanism is arranged on the outer side of the cutting wire, and the cleaning mechanism comprises: the connecting assembly is detachably connected to the bottom end of the wire conveying arm; the pressing mechanism is fixedly connected to the bottom end of the connecting component; and the cleaning assembly is connected to the output end of the pressing mechanism in a sliding manner, and is arranged in the cleaning mechanism, in the using process, the friction ring moves along with the wire conveying arm to effectively scrape off adsorbed impurities on the upper end face of the workpiece, so that the impurities are prevented from entering the protective cover, the influence is caused on the cutting wire in operation, the cutting precision of the device is reduced, meanwhile, the friction ring can be always attached to the upper end face of the workpiece under the action of the elastic force of the pressing spring, the impurities on the upper end face of the workpiece can be guaranteed to be stably removed for a long time, and the practicability of the device is effectively enhanced.

Description

High-precision wire cutting machine

Technical Field

The utility model relates to a wire-electrode cutting technical field specifically is a wire cutting machine of high accuracy.

Background

The wire electrode is adopted as a tool electrode by a wire cutting machine, under the action of a pulse power supply, spark discharge is formed between the tool electrode and a machined workpiece, a spark channel instantly generates a large amount of heat, so that the surface of the workpiece is melted and even vaporized, the machining machine does not have obvious mechanical cutting force in the machining process, most of the existing wire cutting machine adopting molybdenum wires as the wire electrode, the wire cutting machine runs at a speed block, and the machining efficiency is high.

The machining precision of a workpiece is one of important indexes of machine tool performance, the surface of the workpiece is very clean and has no burrs in the process of linear cutting machining, otherwise, the surface of the workpiece is stained with impurities and the like, which can cause the cutting wire to jump and further affect the cutting precision of linear cutting, the current linear cutting machine lacks a cleaning mechanism for staining the surface of the workpiece with impurities, the problem that the cutting precision is low and the like in the process of linear cutting is very easy to be affected by the impurities, in addition, in the operation process of the current linear cutting machining equipment, cooling liquid is directly sprayed to a machining point, the cooling liquid splashes around, the actual contact time of the cooling liquid and the cutting wire is very short, the cooling liquid quickly flows away and actually hardly effectively cools the device, the tensioning degree of the cutting wire can be affected by long-time high-temperature work, the cutting precision of the device is reduced, and the practicability of the device is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wire cut electrical discharge machining of high accuracy to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a wire cut electrical discharge machining of high accuracy, includes fortune silk arm and clearance mechanism, the output of fortune silk arm is provided with the cutting wire downwards, clearance mechanism sets up in the outside of cutting wire, clearance mechanism includes:

the connecting assembly is detachably connected to the bottom end of the wire conveying arm;

the pressing mechanism is fixedly connected to the bottom end of the connecting component; and

the cleaning assembly is connected to the output end of the pressing mechanism in a sliding mode.

Further, coupling assembling includes the ring flange, the ring flange passes through the bolt can dismantle the bottom of connecting in fortune silk arm, the bottom of ring flange is provided with the fixing base.

Furthermore, the flange plate and the fixed seat are both provided with wire feeding holes matched with the cutting wires.

Further, hold-down mechanism includes the urceolus, urceolus fixed connection is in the bottom of fixing base, the inboard of urceolus is provided with pressure spring, pressure spring fixed connection is in the bottom of fixing base, pressure spring cup joints in the outside of cutting wire, the bottom of urceolus is provided with the shrink mouth.

Further, one side of the outer cylinder is provided with a cooling liquid inlet.

Further, the clearance subassembly includes the piston piece, piston piece sliding connection is in the inboard of urceolus, the top fixed connection in pressure spring's bottom of piston piece, the bottom of piston piece is provided with an extension section of thick bamboo, the diameter of extending a section of thick bamboo equals with the diameter of shrink mouth, extend a section of thick bamboo and extend to the bottom outside of shrink mouth, the bottom of extending a section of thick bamboo is provided with the protection casing.

Furthermore, the piston block and the middle position in the extension cylinder are provided with water inlet holes, and the cutting wires penetrate through the water inlet holes and extend to the outer side.

Furthermore, the bottom of protection casing is provided with the friction ring, the material of friction ring is high temperature resistant silica gel.

Further, the top of fortune silk arm still is provided with dust removal mechanism, dust removal mechanism includes high pressure positive blower, high pressure positive blower fixed connection is in the top of fortune silk arm, high pressure positive blower's output is provided with the connecting pipe, the one end that high pressure positive blower was kept away from to the connecting pipe is provided with the collar, collar fixed connection is in the outside of protection casing, the bottom of collar evenly is provided with a plurality of shower nozzles along the circumference.

Compared with the prior art, this practical beneficial effect is:

by arranging the cleaning mechanism, in the using process, the friction ring is in contact with the upper end face of the workpiece and moves along with the wire conveying arm, impurities adsorbed on the upper end face of the workpiece are effectively scraped in the moving process, the impurities are prevented from entering the protective cover to influence the cutting wire in operation, the cutting precision of the device is reduced, meanwhile, the piston block is pushed downwards under the elastic action of the compression spring, the extension cylinder and the protective cover move downwards along with the extension cylinder, the friction ring can be always attached to the upper end face of the workpiece, the impurities on the upper end face of the workpiece can be stably removed for a long time, and the practicability of the device is effectively enhanced;

before the cutting, use personnel in advance with the coolant liquid access connection on outside coolant liquid system and the urceolus, the coolant liquid gets into inside the urceolus through the coolant liquid import, and get into the protection casing through the inlet opening in, can prevent effectively that the coolant liquid from splashing everywhere in the course of working, the user is difficult to the condition such as clearance, and influenced by the separation effect of protection casing, reduce the flow velocity of coolant liquid, increase the contact time between coolant liquid and the cutting wire, ensure that the coolant liquid effectively absorbs the heat of cutting wire, prevent that the long time high temperature work of cutting wire from influencing its tensioning degree, be favorable to improving the cutting precision of device to the work piece, effectively strengthen the practicality of device.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic view of the overall appearance structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic bottom view of the present invention;

FIG. 4 is a schematic view of a half-section structure of the cleaning mechanism of the present invention.

In the figure: 1. a wire conveying arm; 2. cutting the wire; 3. a cleaning mechanism; 31. a connecting assembly; 311. a flange plate; 312. a fixed seat; 32. a hold-down mechanism; 321. an outer cylinder; 3211. a coolant inlet; 322. a constriction; 323. a compression spring; 33. cleaning the assembly; 331. a piston block; 332. an extension cylinder; 333. a water inlet hole; 334. a protective cover; 335. a friction ring; 4. a dust removal mechanism; 41. a high pressure fan; 42. a connecting pipe; 43. a mounting ring; 44. and (4) a spray head.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by persons skilled in the art based on the embodiments in the present application without any creative work belong to the protection scope of the present application.

Referring to fig. 1-4, the present invention provides a high precision wire cutting machine, comprising: the utility model provides a wire cut electrical discharge machining of high accuracy, includes fortune silk arm 1 and clearance mechanism 3, and the output of fortune silk arm 1 is provided with cutting filament 2 downwards, and clearance mechanism 3 sets up in the outside of cutting filament 2.

The cleaning mechanism 3 includes: the connecting assembly 31 is characterized in that the connecting assembly 31 is detachably connected to the bottom end of the wire conveying arm 1, the connecting assembly 31 comprises a flange 311, the flange 311 is detachably connected to the bottom end of the wire conveying arm 1 through bolts, a fixed seat 312 is arranged at the bottom end of the flange 311, and wire moving holes matched with the cutting wires 2 are formed in the flange 311 and the fixed seat 312 and used for guiding the cutting wires 2 out to perform linear cutting operation; the pressing mechanism 32 is fixedly connected to the bottom end of the connecting assembly 31, the pressing mechanism 32 comprises an outer cylinder 321, the outer cylinder 321 is fixedly connected to the bottom end of the fixed seat 312, one side of the outer cylinder 321 is provided with a cooling liquid inlet 3211 for introducing an external cooling liquid system to cool the cutting wire 2, the inner side of the outer cylinder 321 is provided with a pressing spring 323, the pressing spring 323 is fixedly connected to the bottom end of the fixed seat 312, the pressing spring 323 is sleeved on the outer side of the cutting wire 2, and the bottom end of the outer cylinder 321 is provided with a contraction port 322; and a cleaning assembly 33, the cleaning assembly 33 is slidably connected to the output end of the pressing mechanism 32, the cleaning assembly 33 includes a piston block 331, the piston block 331 is slidably connected to the inner side of the outer cylinder 321, the top end of the piston block 331 is fixedly connected to the bottom end of the pressing spring 323, the bottom end of the piston block 331 is provided with an extension cylinder 332, the diameter of the extension cylinder 332 is equal to that of the contraction port 322, the middle positions of the interiors of the piston block 331 and the extension cylinder 332 are provided with a water inlet 333, the cutting wire 2 extends to the outside through the water inlet 333, the extension cylinder 332 extends to the outside of the bottom end of the contraction port 322, the bottom end of the extension cylinder 332 is provided with a protective cover 334, the bottom end of the protective cover 334 is provided with a friction ring 335, and the friction ring 335 is made of high-temperature-resistant silica gel, by providing the cleaning mechanism 3, during the use, the friction ring 335 is in contact with the upper end surface of the workpiece, moves along with the wire conveying arm 1, impurities adsorbed on the upper end surface of the workpiece are effectively scraped off in the moving process, prevent it from entering into the interior of protective cover 334, and affect the cutting wire 2 in operation, reduce the cutting precision of the device, at the same time, push the piston block 331 downwards under the action of the spring force of the pressure spring 323, the extension cylinder 332 and the protective cover 334 move downwards along with it, ensure the friction ring 335 can be always attached to the upper end face of the workpiece, ensure the long-time stable removal of the impurities on the upper end face of the workpiece, and effectively enhance the practicability of the device, before cutting, the user connects the external cooling liquid system with the cooling liquid inlet 3211 on the outer cylinder 321 in advance, the cooling liquid enters into the interior of the outer cylinder 321 through the cooling liquid inlet 3211 and enters into the protective cover 334 through the water inlet 333, and can effectively prevent the cooling liquid from splashing around in the processing course, the user is difficult to clean, and affected by the blocking action of the protective cover 334, reduce the flow speed of the cooling liquid, and increase the contact time between the cooling liquid and the cutting wire 2, the heat of the cutting wire 2 is effectively absorbed by the cooling liquid, the cutting wire 2 is prevented from being influenced in tension degree due to long-time high-temperature work, the cutting precision of the device to a workpiece is improved, and the practicability of the device is effectively enhanced.

Fortune silk arm 1's top still is provided with dust removal mechanism 4, dust removal mechanism 4 includes high pressure positive blower 41, high pressure positive blower 41 fixed connection is on fortune silk arm 1's top, high pressure positive blower 41's output is provided with connecting pipe 42, the one end that high pressure positive blower 41 was kept away from to connecting pipe 42 is provided with collar 43, collar 43 fixed connection is in the outside of protection casing 334, the bottom of collar 43 evenly is provided with a plurality of shower nozzles 44 along the circumference, through setting up dust removal mechanism 4, in carrying out the wire-electrode cutting operation process, shower nozzle 44 can spout high-pressure wind, floating dust on the work piece upper surface is cleared up, prevent that it from entering into wire-electrode cutting machine's inside, influence the normal use of device, extension wire-electrode cutting machine's life.

In the using process, the friction ring 335 is contacted with the upper end face of the workpiece and moves along with the wire conveying arm 1, impurities adsorbed on the upper end face of the workpiece are effectively scraped in the moving process, the impurities are prevented from entering the inside of the protective cover 334 to affect the cutting wire 2 in operation, the cutting precision of the device is reduced, meanwhile, the piston block 331 is pushed downwards under the elastic action of the compression spring 323, the extension cylinder 332 and the protective cover 334 move downwards along with the friction ring 335, the friction ring 335 can be always attached to the upper end face of the workpiece, the impurities on the upper end face of the workpiece can be stably removed for a long time, the practicability of the device is effectively enhanced, before cutting, a user connects an external cooling liquid system with a cooling liquid inlet 3211 on the outer cylinder 321 in advance, the cooling liquid enters the inner part of the outer cylinder 321 through the cooling liquid inlet 3211 and enters the protective cover 334 through the water inlet 333, and the cooling liquid can be effectively prevented from splashing around in the processing process, the condition such as user of service is difficult to the clearance to receive the separation effect influence of protection casing 334, reduce the flow rate of coolant liquid, increase the contact time between coolant liquid and the cutting wire 2, ensure that the coolant liquid effectively absorbs the heat of cutting wire 2, prevent that the long-time high temperature work of cutting wire 2 from influencing its tensioning degree, be favorable to improving the cutting precision of device to the work piece, effectively strengthen the practicality of device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wire cut electrical discharge machining of high accuracy, includes fortune silk arm (1) and clearance mechanism (3), its characterized in that: the output of fortune silk arm (1) is provided with cutting wire (2) downwards, clearance mechanism (3) set up in the outside of cutting wire (2), clearance mechanism (3) include:

the connecting assembly (31), the connecting assembly (31) is detachably connected to the bottom end of the wire conveying arm (1);

the pressing mechanism (32), the pressing mechanism (32) is fixedly connected to the bottom end of the connecting component (31); and

the cleaning assembly (33), the cleaning assembly (33) is connected to the output end of the pressing mechanism (32) in a sliding mode.

2. A high precision wire cutting machine according to claim 1, characterized in that: coupling assembling (31) include ring flange (311), ring flange (311) can be dismantled through the bolt and connect in the bottom of fortune silk arm (1), the bottom of ring flange (311) is provided with fixing base (312).

3. A high precision wire cutting machine according to claim 2, characterized in that: and the flange (311) and the fixed seat (312) are provided with wire passing holes matched with the cutting wires (2).

4. A high precision wire cutting machine according to claim 2, characterized in that: the pressing mechanism (32) comprises an outer barrel (321), the outer barrel (321) is fixedly connected to the bottom end of the fixing seat (312), a pressing spring (323) is arranged on the inner side of the outer barrel (321), the pressing spring (323) is fixedly connected to the bottom end of the fixing seat (312), the pressing spring (323) is sleeved on the outer side of the cutting wire (2), and a contraction opening (322) is formed in the bottom end of the outer barrel (321).

5. The high precision wire cutting machine according to claim 4, characterized in that: and a cooling liquid inlet (3211) is formed in one side of the outer cylinder (321).

6. The high precision wire cutting machine according to claim 4, characterized in that: the cleaning assembly (33) comprises a piston block (331), the piston block (331) is connected to the inner side of the outer cylinder (321) in a sliding mode, the top end of the piston block (331) is fixedly connected to the bottom end of the pressing spring (323), an extending cylinder (332) is arranged at the bottom end of the piston block (331), the diameter of the extending cylinder (332) is equal to that of the contraction opening (322), the extending cylinder (332) extends to the outer side of the bottom end of the contraction opening (322), and a protective cover (334) is arranged at the bottom end of the extending cylinder (332).

7. The high precision wire cutting machine according to claim 6, wherein: the middle positions of the inner parts of the piston block (331) and the extension cylinder (332) are provided with water inlet holes (333), and the cutting wire (2) penetrates through the water inlet holes (333) and extends to the outer side.

8. The high precision wire cutting machine according to claim 6, wherein: the bottom of protection casing (334) is provided with friction ring (335), the material of friction ring (335) is high temperature resistant silica gel.

9. The high precision wire cutting machine according to claim 6, wherein: the top of fortune silk arm (1) still is provided with dust removal mechanism (4), dust removal mechanism (4) include high pressure positive blower (41), high pressure positive blower (41) fixed connection is on the top of fortune silk arm (1), the output of high pressure positive blower (41) is provided with connecting pipe (42), the one end that high pressure positive blower (41) were kept away from in connecting pipe (42) is provided with collar (43), collar (43) fixed connection is in the outside of protection casing (334), the bottom of collar (43) evenly is provided with a plurality of shower nozzles (44) along the circumference.