CN215316164U

CN215316164U - Tension control device of wire cutting machine

Info

Publication number: CN215316164U
Application number: CN202121849971.5U
Authority: CN
Inventors: 朱富强; 王雪松; 梁勇祥; 罗林
Original assignee: Chongqing Changyuan Precision Mould Co ltd
Current assignee: Chongqing Changyuan Precision Mould Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2021-12-28
Anticipated expiration: 2031-08-09

Abstract

The utility model discloses a tension control device of a wire cutting machine, which comprises a tension wheel and two guide wheels, wherein one side of the tension wheel is provided with a tension control mechanism, the tension control mechanism comprises an adjusting assembly and a locking assembly, the adjusting assembly comprises a guide rod and a connecting rod, the guide rod is connected with a sliding sleeve in a sliding manner, a distance measuring sensor is arranged on a front panel of the sliding sleeve, the locking assembly comprises an electric telescopic cylinder, and a piston rod of the electric telescopic cylinder is provided with an insert block. The tension of the electrode wire is adjusted through the adjusting assembly, distance measurement is achieved through the distance measurement sensor in the adjusting process, and when the measured value is zero, the electric telescopic cylinder drives the insertion block to be tightly abutted to the guide rod, so that the height of the tension wheel is limited, the electrode wire is protected, the purpose of preventing the electrode wire from being broken is achieved, the time for replacing the electrode wire can be saved, and the safety is higher.

Description

Tension control device of wire cutting machine

Technical Field

The utility model relates to the field of wire cutting machines, in particular to a tension control device of a wire cutting machine.

Background

The wire cutting machine mainly comprises three parts, namely a machine tool, a numerical control system and a high-frequency power supply, wherein the numerical control system consists of a single chip microcomputer, a keyboard and a variable frequency detection system, has the main functions of gap compensation, linear interpolation, circular interpolation, automatic broken wire treatment and the like, and can cut materials, such as high-strength, high-toughness, high-hardness, high-brittleness, magnetic materials and precise, fine and complex-shaped parts.

The tension control device of the existing wire cutting machine on the market generally adopts a manual adjustment mode to adjust the tension of the wire electrode, so that the wire electrode is easily broken due to misoperation of workers, the safety is low, and the time is wasted for replacing the wire electrode.

Therefore, it is necessary to provide a tension control device for a wire cutting machine to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tension control device of a wire cutting machine, which aims to solve the problems that the tension control device of the existing wire cutting machine generally adopts a manual adjustment mode to adjust the tension of a wire electrode, the wire electrode is easily broken due to misoperation of workers, the safety is low, and time is wasted for replacing the wire electrode.

In order to achieve the above purpose, the utility model provides the following technical scheme: a tension control device of a wire cutting machine comprises a tension wheel and two guide wheels, wherein one side of the tension wheel is provided with a tension control mechanism, the tension control mechanism comprises an adjusting component and a locking component, the adjusting component comprises a guide rod and a connecting rod, the guide rod is connected with a sliding sleeve in a sliding way, a front panel of the sliding sleeve is provided with a distance measuring sensor, the connecting rod is fixedly connected with the sliding sleeve, a fixing plate is arranged behind the connecting rod, a first shaft lever is arranged at the center of the fixing plate, one end of the first shaft lever, which is far away from the fixing plate, is fixedly connected with the tension pulley, and the locking assembly comprises an electric telescopic cylinder, the electric telescopic cylinder is fixedly connected with the sliding sleeve, a piston rod of the electric telescopic cylinder penetrates through the sliding sleeve and extends to the position of the guide rod, an insertion block is installed on the piston rod of the electric telescopic cylinder, and the insertion block is abutted to the guide rod.

Preferably, the one end welded fastening that the fixed plate was kept away from to the connecting rod has the mounting panel, the rack is installed to one side that the connecting rod was kept away from to the mounting panel, one side meshing of rack is connected with the gear, the rear of gear is equipped with the motor, the output shaft and the gear fixed connection of motor, the motor passes through wire and wire cut electrical discharge machining's controller electric connection.

Preferably, the top of tension pulley is equipped with the mounting bracket, be equipped with the through-hole on the roof of mounting bracket, just motor and guide bar are fixed in the upper and lower side of mounting bracket roof respectively.

Preferably, the rack is matched with the through hole, a limiting rod is horizontally arranged at the upper part of the rack, and a limiting plate is arranged at the bottom end of the rack.

Preferably, the back surface of the guide rod is provided with a permanent magnet strip, one side of the insertion block, which is far away from the electric telescopic cylinder, is provided with a permanent magnet block, and the permanent magnet block and the permanent magnet strip are attracted with each other.

Preferably, range finding sensor and sliding sleeve fixed connection, just electric telescopic cylinder and range finding sensor all pass through wire and wire cut electrical discharge machining's controller electric connection.

Preferably, the outer sides of the guide wheels are symmetrically provided with support frames, the center of each guide wheel is provided with a second shaft rod in an inserting mode, and two ends of the second shaft rod are rotatably connected with the support frames.

Preferably, the outer wall of the tension pulley is provided with an annular groove, and the annular groove is matched with the electrode wire.

The tension of the electrode wire is adjusted through the adjusting assembly, distance measurement is realized through the distance measurement sensor in the adjusting process, and when the measured value is zero, the electric telescopic cylinder drives the insertion block to tightly abut against the guide rod, so that the height of the tension wheel is limited, the electrode wire is protected, the purpose of preventing the electrode wire from being broken is achieved, the time for replacing the electrode wire can be saved, and the safety is higher; the motor drives the gear to be meshed with the rack for transmission, the rack drives the connecting rod, the connecting rod drives the tension wheel, and the tension of the electrode wire is automatically adjusted by utilizing the movable tension wheel, so that the adjustment is more convenient and quicker; through the cooperation of permanent magnet piece and permanent magnet strip, improve the stability of inserting the piece.

Drawings

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

FIG. 2 is a view of the tension control mechanism of the present invention connected to a mounting bracket;

FIG. 3 is a schematic view of a tension pulley according to the present invention;

FIG. 4 is a schematic view of the locking assembly of the present invention;

FIG. 5 is a schematic view of the connecting rod of the present invention.

Description of reference numerals:

1. a tension pulley; 11. a first shaft lever; 12. a ring groove; 2. a guide wheel; 21. a second shaft lever; 3. a tension control mechanism; 31. a locking assembly; 311. an electric telescopic cylinder; 312. inserting a block; 313. a permanent magnet block; 32. a motor; 33. a gear; 34. a rack; 341. a limiting rod; 35. a connecting rod; 351. mounting a plate; 36. a sliding sleeve; 37. a guide bar; 371. a permanent magnet bar; 38. a fixing plate; 4. a support frame; 5. a ranging sensor; 6. a mounting frame; 61. and a through hole.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The utility model provides a tension control device of a wire cutting machine as shown in fig. 1-5, which comprises a tension pulley 1 and two guide pulleys 2, wherein one side of the tension pulley 1 is provided with a tension control mechanism 3, the tension control mechanism 3 comprises an adjusting component and a locking component 31, the adjusting component comprises a guide rod 37 and a connecting rod 35, the guide rod 37 is connected with a sliding sleeve 36 in a sliding way, a front panel of the sliding sleeve 36 is provided with a distance measuring sensor 5, the connecting rod 35 is fixedly connected with the sliding sleeve 36, a fixing plate 38 is arranged behind the connecting rod 35, a first shaft rod 11 is arranged at the center of the fixing plate 38, one end of the first shaft rod 11, which is far away from the fixing plate 38, is fixedly connected with the tension pulley 1, the locking component 31 comprises an electric telescopic cylinder 311, the electric telescopic cylinder 311 is fixedly connected with the sliding sleeve 36, a piston rod of the electric telescopic cylinder 311 extends to the guide rod 37 through the sliding sleeve 36, the piston rod of the electric telescopic cylinder 311 is provided with an insertion block 312, and the insertion block 312 is abutted against the guide rod 37.

One end welded fastening that fixed plate 38 was kept away from to connecting rod 35 has mounting panel 351, rack 34 is installed to one side that connecting rod 35 was kept away from to mounting panel 351, one side meshing of rack 34 is connected with gear 33, gear 33's rear is equipped with motor 32, motor 32's output shaft and gear 33 fixed connection, motor 32 passes through wire and wire cut electrical connection's controller, drives gear 33 and rack 34 meshing transmission through motor 32, and rack 34 drives connecting rod 35, and connecting rod 35 drives tension wheel 1, utilizes the tension of the 1 automatically regulated wire electrode of tension wheel of removal, makes the regulation convenient more quick.

Tension pulley 1's top is equipped with mounting bracket 6, be equipped with through-hole 61 on mounting bracket 6's the roof, just motor 32 and guide bar 37 are fixed in the upper and lower side of mounting bracket 6 roof respectively, support tension control mechanism 3 through mounting bracket 6, can the person of facilitating the use with tension control mechanism 3 installation on the wire cut electrical discharge machining.

The rack 34 is matched with the through hole 61, the limiting rod 341 is horizontally arranged at the upper part of the rack 34, the limiting plate is arranged at the bottom end of the rack 34, and the rack 34 is limited by the limiting rod 341 and the limiting plate.

The back mounting of guide bar 37 has permanent magnet strip 371, just insert piece 312 and keep away from the one side of electric telescopic cylinder 311 and install permanent magnet piece 313, permanent magnet piece 313 and permanent magnet strip 371 attract each other, through the cooperation of permanent magnet piece 313 and permanent magnet strip 371, improve the stability of insert piece 312.

Distance measuring sensor 5 and sliding sleeve 36 fixed connection, just electric telescopic cylinder 311 and distance measuring sensor 5 all set for the biggest displacement distance, the maximum tension that the wire electrode can bear promptly through wire and wire cut electrical discharge machining's controller electric connection according to the biggest deformation value of the wire electrode that uses on the controller, and the distance of measuring when distance measuring sensor 5 is zero, explains that the wire electrode reaches the maximum value of deformation, controls electric telescopic cylinder 311 through the controller and works.

Every the equal symmetry in the outside of guide wheel 2 is equipped with support frame 4, and every the center department of guide wheel 2 all alternates and is provided with axostylus axostyle two 21, the both ends of axostylus axostyle two 21 all are rotated with support frame 4 and are connected, realize the installation of guide wheel 2 through support frame 4 and axostylus axostyle two 21, utilize support frame 4 to install guide wheel 2 in the suitable position of wire cutting machine, guide wheel 2 has the effect of guide wire electrode.

Be equipped with annular 12 on the outer wall of tension pulley 1, annular 12 and wire electrode phase-match, limit the position of wire electrode through the annular 12 that sets up, reach the purpose that prevents the wire electrode skew.

Referring to the attached drawings 1-5 of the specification, when the device is used, the tension of the electrode wire is adjusted through the adjusting assembly, distance measurement is realized through the distance measurement sensor 5 in the adjusting process, when the measured value is zero, the electric telescopic cylinder 311 drives the inserting block 312 to tightly abut against the guide rod 37, so that the height of the tension wheel 1 is limited, the electrode wire is protected, the purpose of preventing the electrode wire from being broken is achieved, the time for replacing the electrode wire can be saved, and the safety is higher;

referring to the attached drawings 1-5 of the specification, when the device is used, the motor 32 drives the gear 33 to be meshed with the rack 34 for transmission, the rack 34 drives the connecting rod 35, the connecting rod 35 drives the tension wheel 1, and the tension of the electrode wire is automatically adjusted by the movable tension wheel 1, so that the adjustment is more convenient and faster;

referring to fig. 1-5 of the specification, the present apparatus improves the stability of the insert 312 by the permanent magnet block 313 in cooperation with the permanent magnet bar 371.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. The utility model provides a tension control device of wire cutting machine, includes tension pulley (1) and two leading wheels (2), its characterized in that: one side of the tension pulley (1) is provided with a tension control mechanism (3), the tension control mechanism (3) comprises an adjusting component and a locking component (31), the adjusting component comprises a guide rod (37) and a connecting rod (35), the guide rod (37) is connected with a sliding sleeve (36) in a sliding manner, a front panel of the sliding sleeve (36) is provided with a distance measuring sensor (5), the connecting rod (35) is fixedly connected with the sliding sleeve (36), a fixing plate (38) is installed behind the connecting rod (35), a first shaft rod (11) is installed at the center of the fixing plate (38), one end, far away from the fixing plate (38), of the first shaft rod (11) is fixedly connected with the tension pulley (1), the locking component (31) comprises an electric telescopic cylinder (311), the electric telescopic cylinder (311) is fixedly connected with the sliding sleeve (36), a piston rod of the electric telescopic cylinder (311) penetrates through the sliding sleeve (36) and extends to the guide rod (37), the piston rod of the electric telescopic cylinder (311) is provided with an insertion block (312), and the insertion block (312) is abutted to the guide rod (37).

2. The tension control device of a wire cutting machine according to claim 1, wherein: one end welded fastening that fixed plate (38) was kept away from in connecting rod (35) has mounting panel (351), rack (34) are installed to one side that connecting rod (35) were kept away from in mounting panel (351), one side meshing of rack (34) is connected with gear (33), the rear of gear (33) is equipped with motor (32), the output shaft and gear (33) fixed connection of motor (32), motor (32) pass through wire and wire cut electrical discharge machining's controller electric connection.

3. The tension control device of a wire cutting machine according to claim 2, wherein: the top of tension pulley (1) is equipped with mounting bracket (6), be equipped with through-hole (61) on the roof of mounting bracket (6), just motor (32) and guide bar (37) are fixed in the last downside of mounting bracket (6) roof respectively.

4. The tension control device of a wire cutting machine according to claim 3, wherein: the rack (34) is matched with the through hole (61), the upper portion of the rack (34) is horizontally provided with a limiting rod (341), and the bottom end of the rack (34) is provided with a limiting plate.

5. The tension control device of a wire cutting machine according to claim 1, wherein: the back mounted of guide bar (37) has permanent magnet strip (371), just insert piece (312) and keep away from one side of electric telescopic cylinder (311) and install permanent magnet piece (313), permanent magnet piece (313) and permanent magnet strip (371) attract each other.

6. The tension control device of a wire cutting machine according to claim 1, wherein: the distance measuring sensor (5) is fixedly connected with the sliding sleeve (36), and the electric telescopic cylinder (311) and the distance measuring sensor (5) are electrically connected with a controller of the wire cutting machine through a lead.

7. The tension control device of a wire cutting machine according to claim 1, wherein: the outer side of each guide wheel (2) is symmetrically provided with a support frame (4), the center of each guide wheel (2) is provided with a second shaft rod (21) in an inserting mode, and the two ends of the second shaft rod (21) are rotatably connected with the support frames (4).

8. The tension control device of a wire cutting machine according to claim 1, wherein: an annular groove (12) is formed in the outer wall of the tension pulley (1), and the annular groove (12) is matched with the electrode wire.