Wire feeding mechanism of medium-speed wire cutting machine tool

Abstract

The utility model relates to the technical field of wire feeding mechanisms, and discloses a wire feeding mechanism of a medium-speed wire cutting machine tool, which comprises a wire feeding rack, one side of the wire feeding rack is fixedly connected with a prismatic fixing block, the top of the wire feeding rack is provided with a transmission gear, the bottom of the transmission gear is provided with a rotating motor, and the rotating motor is connected with the prismatic fixing block. Transmission teeth are arranged in the fixed rod, one side of each transmission tooth is fixedly connected with a transmission motor, transmission strip teeth are arranged at the bottoms of the transmission teeth, one side of the fixed column is fixedly connected with a second sliding groove, and a hub is fixedly connected to the interior of the fixed rod. The transmission teeth are driven by the transmission motor, so that the transmission strip teeth move left and right, one end of a silk thread is tensioned, the tensioned silk thread can keep a more stable path in the cutting process, cutting errors caused by shaking or deviation are reduced, burrs and roughness can be reduced, and the surface quality of a workpiece is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wire feeding mechanism technical field, more particularly to a wire feeding mechanism of middle wire cutting machine tool. BACKGROUND

[0002] Wire cutting processing technology is a kind of electric spark processing technology, adopts conductive wire as electrode, and utilizes spark discharge between wire and workpiece to etch workpiece material, and wire cutting technology is based on the discharge principle of electric spark, in the processing, workpiece is connected to pulse power positive pole, wire is connected to high-frequency pulse power negative pole as tool electrode, under the action of electric field, cathode and anode surface are bombarded by electron flow and ion flow respectively, to form transient high-temperature heat source in electrode gap, to make local metal melt and gasify.Working fluid and workpiece material vapor after gasification expand rapidly in an instant, under the joint action of thermal expansion and working fluid stamping, melted and gasified workpiece material is thrown out of discharge channel, to complete a spark discharge process.With the continuous repetition of pulse, workpiece is gradually cut into shape.

[0003] The implementation carrier of wire cutting processing technology is wire cutting machine, and the main component affecting wire cutting quality of wire cutting machine is wire cutting metal wire, wherein, the tightness degree of wire cutting wire is an important parameter affecting the surface quality of processed part, wire cutting machine can only work normally when wire cutting wire is tensioned, during cutting, wire cutting wire will become thin and long due to electric erosion, so that wire cutting wire becomes slack and shakes, to cause the surface quality of processed part to decline and roughness to increase, and wire cutting wire shaking will cause wire cutting wire to overlap on wire storage cylinder, to cause wire to shake and cause problems such as wire breakage, reduce processing efficiency, and the tension of electrode wire should be moderate, too tight can cause electrode wire to break or increase the wear of guide roller, and too loose can cause electrode wire to shake and cutting precision to decline. CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the above-mentioned defects of prior art, the utility model provides a wire feeding mechanism of middle wire cutting machine tool to solve the problems in the above-mentioned background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of wire feeding mechanism of middle wire cutting machine tool, including wire feeding frame, the side fixed connection of the wire feeding frame has edge type fixed block, the top of the wire feeding frame is equipped with transmission gear, the bottom of transmission gear is equipped with rotating motor, the side fixed connection of transmission gear has transmission motor, the side fixed connection of transmission motor has nut, the other side fixed connection of transmission motor has motor fixed seat, the bottom of transmission gear is equipped with transmission strip gear, the bottom of transmission strip gear is equipped with sliding plate, the bottom fixed connection of sliding plate has fixed plate, the side fixed connection of fixed plate has transmission slide rail, the outside of transmission slide rail is equipped with spring, the side fixed connection of spring has sliding block, the side fixed connection of sliding block has fixed column, the side fixed connection of fixed column has second sliding groove, the bottom fixed connection of transmission strip gear has fixed disc, the bottom fixed connection of fixed disc has fixed rod, the inside fixed connection of fixed rod has wheel hub.

[0006] Further, the periphery of the bottom of the wire feeding frame is fixedly connected with a footing, one side of the wire feeding frame is fixedly connected with a control panel, and the top of the control panel is fixedly connected with a speed regulating knob.

[0007] Further, the side of the edge type fixed block is fixedly connected with a fixed caliper, and the inside of the fixed caliper is fixedly connected with a first sliding groove.

[0008] Further, the side of the rotating motor is fixedly connected with a motor base, the side of the motor base is fixedly connected with a wire storage device, the bottom of the motor base is fixedly connected with a fixed base, and the bottom of the fixed base is fixedly connected with a support column.

[0009] Further, the transmission gear and the transmission strip gear are in meshing relationship, the fixed column is fixedly connected with the fixed column, and the second sliding groove does not rotate, and the inside of the second sliding groove is provided with a rotating shaft.

[0010] Further, the side of the wire feeding frame is provided with an open slot, and the bottom of the footing is provided with anti-skid lines.

[0011] Further, the first sliding groove and the fixed caliper are fixed by using a rotating shaft.

[0012] Further, the wire storage device is wound with a wire to be processed.

[0013] The technical effects and advantages of the utility model are as follows:

[0014] The utility model discloses a first pulley is equipped with, silk line passes through the fixed pulley left side of rotation motor, then through the first sliding slot silk line is taut, can effectively prevent silk line deviation through two fixed pulleys, can ensure the stability of cutting path to prevent silk line deviation, reduces the dimensional error caused by deviation to improve the machining accuracy of work piece.

[0015] The utility model discloses a transmission motor is equipped with, the mutual meshing between transmission tooth and transmission strip tooth, drives transmission tooth through transmission motor to left and right movement of transmission strip tooth to the one end of silk line is taut, and the silk line of taut can keep more stable path in cutting process, reduces the cutting error caused by shaking or deviation, and the silk line of taut can produce more smooth cutting surface when cutting, reduces burr and roughness, improves the surface quality of work piece. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is whole structure schematic diagram of the utility model;

[0017] Fig. 2 It is whole structure schematic diagram of transmission device of the utility model;

[0018] Fig. 3 It is whole structure schematic diagram of sliding device of the utility model;

[0019] Fig. 4 It is whole structure schematic diagram of silk feeding device of the utility model.

[0020] Signs are: 1, silk feeding machine frame;101, footing;102, control panel;1021, speed knob;2, edge type fixed block;201, fixed clamp;202, first sliding slot;3, transmission tooth;301, transmission motor;3011, nut;302, motor fixing base;303, transmission strip tooth;304, fixed plate;305, transmission slide rail;306, spring;307, sliding block;308, fixed column;309, second sliding slot;310, sliding plate;311, fixed disc;312, fixed rod;313, wheel hub;4, rotation motor;401, motor base;402, silk storage device;403, fixed base;404, support column. DETAILED DESCRIPTION

[0021] The technical scheme in the utility model will be described below in connection with drawings in the utility model, and in addition, the form of each structure recorded in the following implementation is only an example, and the silk feeding mechanism of the medium wire cutting machine of the utility model is not limited to each structure recorded in the following implementation, all other implementation obtained by the ordinary skill in the art without making creative labor belongs to the range of protection of the utility model.

[0022] Referring to Figs. 1 to 4 The utility model provides a kind of wire feeding mechanism of medium wire cutting machine tool, including wire feeding frame 1, the side fixed connection of wire feeding frame 1 has edge type fixed block 2, the top of wire feeding frame 1 is equipped with transmission tooth 3, the bottom of transmission tooth 3 is equipped with rotating motor 4, the side fixed connection of transmission tooth 3 has transmission motor 301, the side fixed connection of transmission motor 301 has nut 3011, the other side fixed connection of transmission motor 301 has motor fixed seat 302, the bottom of transmission tooth 3 is equipped with transmission strip tooth 303, the bottom of transmission strip tooth 303 is equipped with sliding plate 310, the bottom fixed connection of sliding plate 310 has fixed plate 304, the side fixed connection of fixed plate 304 has transmission slide rail 305, the outside of transmission slide rail 305 is equipped with spring 306, the side fixed connection of spring 306 has sliding block 307, the side fixed connection of sliding block 307 has fixed column 308, the side fixed connection of fixed column 308 has second sliding groove 309, the bottom fixed connection of transmission strip tooth 303 has fixed disc 311, the bottom fixed connection of fixed disc 311 has fixed rod 312, the inside fixed connection of fixed rod 312 has wheel hub 313.

[0023] In a preferred embodiment, the bottom of wire feeding frame 1 is fixedly connected with a footing 101, and the side of wire feeding frame 1 is fixedly connected with a control panel 102, and the top of control panel 102 is fixedly connected with a speed regulating knob 1021.

[0024] In a preferred embodiment, the side of edge type fixed block 2 is fixedly connected with a fixed caliper 201, and the inside of fixed caliper 201 is fixedly connected with a first sliding groove 202.

[0025] In a preferred embodiment, the side of rotating motor 4 is fixedly connected with a motor base 401, the side of motor base 401 is fixedly connected with a wire storage device 402, the bottom of motor base 401 is fixedly connected with a fixed base 403, and the bottom of fixed base 403 is fixedly connected with a support column 404.

[0026] In this embodiment, it is specifically supplemented that transmission tooth 3 and transmission strip tooth 303 are in meshing engagement, fixed column 308 is fixedly connected with fixed column 308 and second sliding groove 309 does not rotate, and second sliding groove 309 is provided with a rotating shaft inside.

[0027] In this embodiment, it is specifically supplemented that the side of wire feeding frame 1 is provided with an open slot, and the bottom of footing 101 is provided with anti-skid lines.

[0028] In this embodiment, it is specifically supplemented that the first sliding groove 202 and the fixed caliper 201 are fixed by using a rotating shaft.

[0029] In this embodiment, it needs to be specifically supplemented that the to-be-processed thread is wound on the thread storage device 402.

[0030] The working principle of the utility model is: when using the device, first, the thread to be processed is placed on the thread storage device 402, then the device is started, the thread is slowly pulled from the left fixed pulley through the rotation of the motor 4, then the thread is pulled tight through the first sliding groove 202, the thread can be better fixed and pulled tight through the two fixed pulleys, so that the loosening in the cutting process is determined, the transmission gear 3 is rotated through the operation of the transmission motor 301, the transmission gear 3 and the transmission gear tooth 303 are engaged with each other, so that the transmission gear tooth 303 moves left and right, the wheel hub 313 at the bottom of the transmission gear tooth 303 assists the transmission gear tooth 303 to move left and right, the second sliding groove 309 is fixedly connected with the sliding block 307 through the fixing column 308, in the process of moving left and right, the second sliding groove 309 moves left and right, so that one end of the thread is pulled tight, the other end is pulled tight through the cutting device, the thread pulled tight can keep a more stable path in the cutting process, and the cutting error caused by shaking or deviation is reduced.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

[0032] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms ''installation'', ''connection'', ''connection'' should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, ''up'', ''down'', ''left'', ''right'' and the like are only used to indicate the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0033] Secondly: the utility model discloses the embodiment of the drawing, only relates to the structure involved in the embodiment of the present disclosure, other structures can refer to the general design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0034] Finally: the above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc. made within the spirits and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An upper wire mechanism of a medium-speed wire-cut electrical discharge machine, comprising an upper wire frame (1), characterized in that, The side of the upper wire frame (1) is fixedly connected with the edge type fixed block (2), the top of the upper wire frame (1) is provided with a transmission gear (3), the bottom of the transmission gear (3) is provided with a rotating motor (4), one side of the transmission gear (3) is fixedly connected with a transmission motor (301), one side of the transmission motor (301) is fixedly connected with a nut (3011), the other side of the transmission motor (301) is fixedly connected with a motor fixing seat (302), the bottom of the transmission gear (3) is provided with a transmission strip gear (303), the bottom of the transmission strip gear (303) is provided with a sliding plate (310), the bottom of the sliding plate (310) is fixedly connected with a fixed plate (304), one side of the fixed plate (304) is fixedly connected with a transmission slide rail (305), the outer side of the transmission slide rail (305) is provided with a spring (306), one side of the spring (306) is fixedly connected with a sliding block (307), one side of the sliding block (307) is fixedly connected with a fixed column (308), one side of the fixed column (308) is fixedly connected with a second sliding groove (309), the bottom of the transmission strip gear (303) is fixedly connected with a fixed disc (311), the bottom of the fixed disc (311) is fixedly connected with a fixed rod (312), the inside of the fixed rod (312) is fixedly connected with a hub (313).

2. A wire feeding mechanism for a medium speed wire cut electrical discharge machine according to claim 1, characterized in that: The bottom of the upper wire frame (1) is fixedly connected with a foot (101), one side of the upper wire frame (1) is fixedly connected with a control panel (102), the top of the control panel (102) is fixedly connected with a speed regulating knob (1021).

3. The wire feeding mechanism of a medium-speed wire-cut electrical discharge machine according to claim 1, characterized in that: One side of the edge type fixed block (2) is fixedly connected with a fixed caliper (201), the inside of the fixed caliper (201) is fixedly connected with a first sliding groove (202).

4. The wire feeding mechanism of a medium-speed wire-cut electrical discharge machine according to claim 1, characterized in that: One side of the rotating motor (4) is fixedly connected with a motor base (401), one side of the motor base (401) is fixedly connected with a wire storage device (402), the bottom of the motor base (401) is fixedly connected with a fixed base (403), the bottom of the fixed base (403) is fixedly connected with a support column (404).

5. The wire-feeding mechanism of a medium-speed wire-cut electrical discharge machining machine according to claim 1, characterized in that: The transmission gear (3) and the transmission strip gear (303) are engaged with each other, the fixed column (308) is fixedly connected with the fixed column (308) and the second sliding groove (309) cannot rotate, the inside of the second sliding groove (309) is provided with a rotating shaft.

6. The wire-feeding mechanism of a medium-speed wire-cut electrical discharge machining machine according to claim 2, characterized in that: One side of the upper wire frame (1) is provided with an open slot, the bottom of the foot (101) is provided with anti-skid lines.

7. The wire-feeding mechanism of a medium-speed wire-cut electrical discharge machining machine according to claim 3, characterized in that: The first sliding groove (202) and the fixed caliper (201) are fixed by using a rotating shaft.

8. The wire-feeding mechanism of a medium-speed wire-cut electrical discharge machining machine according to claim 4, characterized in that: The wire storage device (402) is wound with a wire to be processed.

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