CN216802003U

CN216802003U - Wire tightening mechanism capable of realizing random stop of movable guide wheel for linear cutting machine

Info

Publication number: CN216802003U
Application number: CN202123327899.2U
Authority: CN
Inventors: 高晔; 顾圣达
Original assignee: Suzhou Sanguang Science & Technology Co ltd
Current assignee: Suzhou Sanguang Science & Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-06-24
Anticipated expiration: 2031-12-28

Abstract

The utility model provides a wire tightening mechanism of a linear cutting machine capable of realizing random stop of a movable guide wheel, which comprises a wire tightening assembly and a fixing assembly, wherein the wire tightening assembly comprises a mounting plate and a sliding plate, and the fixing assembly comprises a fixing plate, a clamping groove, a pin, a bolt, a plum handle screw and a rough surface; a fixing plate is arranged in the middle of the front surface of the mounting plate, a clamping groove is formed in the front surface of the fixing plate, a pin is connected to one side of the front surface of the sliding plate in a sliding mode, and a bolt is connected to the upper portion of the front surface of the sliding plate in a threaded mode; after one round of processing is finished, the position of the movable guide wheel needs to be fixed, the wire is threaded again, the screw with the plum blossom-shaped handle is rotated, the tail end of the bolt is close to and extrudes the rough surface part, friction force is generated to fix the positions of the sliding plate and the movable guide wheel, the movable guide wheel can be fixed at any position, a section of molybdenum wire does not need to be cut short or a circle of molybdenum wire does not need to be wound to adapt to the length of the molybdenum wire, and the wire re-threading efficiency is improved.

Description

Wire tightening mechanism capable of realizing random stop of movable guide wheel for linear cutting machine

Technical Field

The utility model relates to the technical field of wire tightening structures, in particular to a wire tightening mechanism of a linear cutting machine capable of realizing random stop of a movable guide wheel.

Background

When a linear cutting machine is used for processing a workpiece, in order to ensure the stability of the tension of a molybdenum wire, a wire tightening mechanism of the linear cutting machine needs to be used, and the wire tightening mechanism of the existing linear cutting machine has some problems:

in the processing process, loose wires and broken wires are easy to cause along with continuous loss of molybdenum wires, a wire tightening mechanism of the existing wire cutting machine tool is provided with a wire tightening mode combining a movable guide wheel and a fixed guide wheel, the molybdenum wires are tightened by means of a balancing weight, the tension change of the molybdenum wires is prevented, the molybdenum wires run under constant tension, the wires need to be re-threaded at the position where the movable guide wheel is fixed after one round of processing is completed, the molybdenum wires can be lengthened after the first round of processing, the movable guide wheel of the existing wire tightening mechanism can be fixed only at the initial position, and the length of the wires can be adapted to the length of the wires only by cutting one wire or winding one wire by less during the new round of processing, so that the wire threading efficiency is reduced;

therefore, the wire tensioning mechanism of the linear cutting machine capable of realizing the random stop of the movable guide wheel is provided.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a wire tensioning mechanism for a wire cutting machine capable of realizing any stop of a movable guide wheel, so as to solve or alleviate the technical problems in the prior art, and to provide at least one useful choice.

The technical scheme of the embodiment of the utility model is realized as follows: a wire tightening mechanism of a linear cutting machine capable of realizing random stop of a movable guide wheel comprises a wire tightening assembly and a fixing assembly, wherein the wire tightening assembly comprises a mounting plate and a sliding plate, and the fixing assembly comprises a fixing plate, a clamping groove, a pin, a bolt, a plum-blossom-shaped handle screw and a rough surface;

the utility model discloses a lead screw, including mounting panel, front surface, draw-in groove, bolt tail end, screw rod.

As a further preferred aspect of the present invention: the wire tightening assembly further comprises a fixed guide wheel, a slide rail, a slide block, a movable guide wheel, a shell, a balancing weight, a protective cover, a pulley, a steel wire rope, a fixed seat and a spring;

the front surface of mounting panel is equipped with four and decides the guide pulley, the slide rail is installed to front surface one side of mounting panel, the lateral wall sliding connection of slide rail has the slider, and the slider of being convenient for slides in the lateral wall of slide rail.

As a further preferred aspect of the present invention: the front surface welding of slider has the slide, the front surface lower part of slide is installed and is moved the guide pulley, it has the molybdenum filament to move the wire-wrapped connection between the lateral wall of guide pulley and decide, is convenient for the slider removal to drive slide and move the guide pulley and remove.

As further preferable in the present technical solution: the casing is installed with the relative one side of slide rail to the mounting panel front surface, the inside of casing is equipped with the balancing weight, the front surface of casing is equipped with the visor, prevents that the staff finger from stretching into the inside quilt of casing and pressing from both sides the injury.

As further preferable in the present technical solution: the pulley is installed at the front surface top of mounting panel, the lateral wall of pulley is around being equipped with wire rope, and the transmission of power is realized with the help of pulley and wire rope to the object of wire rope both ends of being convenient for.

As further preferable in the present technical solution: one end of the steel wire rope is fixedly connected with the top of the sliding plate, the other end of the steel wire rope is fixedly connected with the top of the balancing weight, the movable guide wheel is pulled by the balancing weight, the molybdenum wire is tightened to prevent the molybdenum wire from loosening, the tension force applied to the molybdenum wire is balanced, and the constant-tension operation tension control of the molybdenum wire is realized.

As further preferable in the present technical solution: the fixing base is installed on the upper portion of the front surface of the installing plate, the through groove is formed in the upper surface of the fixing base, and the steel wire rope can pass through the through groove conveniently.

As further preferable in the present technical solution: the lower surface welding of fixing base has the spring, inside wire rope from the top down passed logical groove and spring in proper order, with the help of the buffering of spring, prevented that the balancing weight pulling slide from hitting the fixing base, effectively protected the slide.

Due to the adoption of the technical scheme, the embodiment of the utility model has the following advantages:

firstly, the method comprises the following steps: the wire is threaded again at the position where the movable guide wheel needs to be fixed after one round of processing is finished, the screw of the plum blossom handle is rotated, the tail end of the bolt is close to and extrudes the rough surface, friction force is generated to fix the positions of the sliding plate and the movable guide wheel, the movable guide wheel can be fixed at any position, a section of molybdenum wire does not need to be cut short or a circle of molybdenum wire does not need to be wound to adapt to the length of the molybdenum wire, and the wire threading efficiency is effectively improved;

II, secondly: the pulley is installed at the front surface top of mounting panel, the lateral wall of pulley is around being equipped with wire rope, the top fixed connection of wire rope's one end and slide, the other end of wire rope and the top fixed connection of balancing weight, the welding of the front surface upper portion of mounting panel has the fixing base, logical groove has been seted up to the upper surface of fixing base, the lower surface welding of fixing base has the spring, wire rope from the top down passes logical groove and spring inside in proper order, with the help of the buffering of spring, prevent that balancing weight pulling slide from hitting the fixing base, effectively protect the slide.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.

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 embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic diagram of the right view structure of the present invention;

FIG. 3 is a schematic structural view of a portion of the wire tensioning assembly of the present invention;

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

FIG. 5 is a schematic view of the structure of the mounting plate and the roughened surface portion according to the present invention.

Reference numerals: 10. a wire tensioning assembly; 11. mounting a plate; 12. a fixed guide wheel; 13. a slide rail; 14. a slider; 15. a slide plate; 16. a movable guide wheel; 17. a housing; 18. a balancing weight; 19. a protective cover; 111. a pulley; 112. a wire rope; 113. a fixed seat; 114. a spring; 115. a through groove; 20. a fixing assembly; 21. a fixing plate; 22. a card slot; 23. a pin; 24. a bolt; 25. a plum blossom handle screw; 26. a rough surface.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 5, an embodiment of the present invention provides a wire tensioning mechanism of a wire cutting machine capable of realizing arbitrary stop of a movable guide wheel, including a wire tensioning assembly 10 and a fixing assembly 20, wherein the wire tensioning assembly 10 includes a mounting plate 11 and a sliding plate 15, and the fixing assembly 20 includes a fixing plate 21, a slot 22, a pin 23, a bolt 24, a plum blossom handle screw 25 and a rough surface 26;

through the above arrangement, when the pin 23 is inserted into the slot 22, the position of the sliding plate 15 is fixed, which is the initial position of the movable guide wheel 16, the position of the fixed movable guide wheel 16 needs to be threaded again after one round of processing is completed, if the movable guide wheel 16 is fixed again, the length of the molybdenum wire changes, when a new round of processing needs to cut short molybdenum wire or a circle of molybdenum wire needs to be wound less, which causes waste of molybdenum wire and time, the bolt 24 rotates clockwise by clockwise twisting the quincunx handle screw 25, the tail end of the bolt 24 is close to and extrudes the rough surface 26 to generate friction force to fix the positions of the sliding plate 15 and the movable guide wheel 16, the movable guide wheel 16 can be fixed at any position, a piece of molybdenum wire does not need to be cut short or the molybdenum wire needs to be wound for one circle to adapt to the length of the molybdenum wire, and waste of the molybdenum wire and time is effectively avoided.

In this embodiment, specifically: the wire tightening assembly 10 further comprises a fixed guide wheel 12, a slide rail 13, a slide block 14, a movable guide wheel 16, a shell 17, a balancing weight 18, a protective cover 19, a pulley 111, a steel wire rope 112, a fixed seat 113 and a spring 114;

the front surface of mounting panel 11 is equipped with four and decides guide pulley 12, and slide rail 13 is installed to mounting panel 11's front surface one side, and the lateral wall sliding connection of slide rail 13 has slider 14, and the slider 14 of being convenient for slides in the lateral wall of slide rail 13.

In this embodiment, specifically: a sliding plate 15 is welded on the front surface of the sliding block 14, a movable guide wheel 16 is installed on the lower portion of the front surface of the sliding plate 15, and a silk thread is wound between the movable guide wheel 16 and the outer side wall of the fixed guide wheel 12, so that the movable guide wheel 16 and the sliding plate 15 can move up and down along with the sliding block 14 conveniently.

In this embodiment, specifically: the casing 17 is welded with the one side that mounting panel 11 front surface and slide rail 13 are relative, and the inside of casing 17 is equipped with balancing weight 18, and the front surface of casing 17 is equipped with visor 19, and the protection of being convenient for prevents that the staff from stretching into inside being pressed from both sides of casing 17 and hindering.

In this embodiment, specifically: the pulley 111 is installed on the top of the front surface of the mounting plate 11, and the steel cable 112 is wound on the outer side wall of the pulley 111, so that objects at two ends of the steel cable 112 can conveniently transmit force by means of the pulley 111 and the steel cable 112.

In this embodiment, specifically: one end of the steel wire rope 112 is fixedly connected with the top of the sliding plate 15, the other end of the steel wire rope 112 is fixedly connected with the top of the balancing weight 18, the balancing weight 18 pulls the movable guide wheel 16 to tighten the wire to prevent the molybdenum wire from loosening, so that the molybdenum wire runs under constant tension.

In this embodiment, specifically: the upper portion of the front surface of the mounting plate 11 is welded with a fixing seat 113, and the upper surface of the fixing seat 113 is provided with a through groove 115, so that the steel wire rope 112 can pass through conveniently.

In this embodiment, specifically: the lower surface welding of fixing base 113 has spring 114, and wire rope 112 passes through logical groove 115 and spring 114 inside from the top down in proper order, with the help of the buffering of spring 114, prevents that balancing weight 18 pulling slide 15 from hitting fixing base 113, effectively protects slide 15.

The utility model is in operation: in the processing process, the wire is threaded again at the position where the movable guide wheel 16 needs to be fixed after one round of processing is completed, after the first round of processing is completed, the molybdenum wire can be lengthened, the bolt 24 is connected to the upper portion of the front surface of the sliding plate 15 in a threaded manner, the plum blossom handle screw 25 is welded to the front surface of the bolt 24, the rough face 26 is arranged in the middle of the front surface of the mounting plate 11 and covers the moving range of the bolt 24, the plum blossom handle screw 25 is rotated to enable the bolt 24 to rotate clockwise, the tail end of the bolt 24 is close to and extrudes the rough face 26, friction force is generated to fix the positions of the sliding plate 15 and the movable guide wheel 16, the movable guide wheel 16 can be fixed at any position, the position of the movable guide wheel 16 does not need to be fixed at the initial position, a section of molybdenum wire does not need to be cut short or a circle of molybdenum wire is not needed to be wound to adapt to the length of the molybdenum wire, and waste of the molybdenum wire and time is effectively avoided; a shell 17 is welded on one side, opposite to the sliding rail 13, of the front surface of the mounting plate 11, a balancing weight 18 is arranged inside the shell 17, and a protective cover 19 is arranged on the front surface of the shell 17, so that workers can be protected conveniently, and fingers of the workers can be prevented from extending into the shell 17 and being clamped; a pulley 111 is mounted on the top of the front surface of the mounting plate 11, a steel wire rope 112 is wound on the outer side wall of the pulley 111, one end of the steel wire rope 112 is fixedly connected with the top of the sliding plate 15, the other end of the steel wire rope 112 is fixedly connected with the top of a balancing weight 18, the balancing weight 18 pulls a movable guide wheel 16 to tension a molybdenum wire and a molybdenum wire to prevent the molybdenum wire from loosening, the tension force applied to the molybdenum wire is balanced, and the wire tensioning mechanism keeps good constant-speed tension control; fixing base 113 is welded on the upper portion of the front surface of mounting panel 11, and logical groove 115 has been seted up to the upper surface of fixing base 113, and the lower surface welding of fixing base 113 has spring 114, and inside wire rope 112 passed logical groove 115 and spring 114 from the top down in proper order, with the help of the buffering of spring 114, prevented that balancing weight 18 pulling slide 15 from hitting fixing base 113, effectively protected slide 15.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a can realize moving wire-tightening mechanism of wire cut electrical discharge machining bed that guide pulley stops wantonly, includes tight silk subassembly (10) and fixed subassembly (20), its characterized in that: the wire tightening assembly (10) comprises a mounting plate (11) and a sliding plate (15), and the fixing assembly (20) comprises a fixing plate (21), a clamping groove (22), a pin (23), a bolt (24), a plum handle screw (25) and a rough surface (26);

the front surface middle part of mounting panel (11) is equipped with fixed plate (21), draw-in groove (22) have been seted up to the front surface of fixed plate (21), front surface one side sliding connection of slide (15) has round pin (23), the front surface upper portion threaded connection of slide (15) has bolt (24), the front surface middle part of mounting panel (11) is equipped with rough surface (26).

2. The wire tensioning mechanism of the wire cutting machine capable of realizing the free stop of the movable guide wheel as claimed in claim 1, is characterized in that: the wire tightening assembly (10) further comprises a fixed guide wheel (12), a sliding rail (13), a sliding block (14), a movable guide wheel (16), a shell (17), a balancing weight (18), a protective cover (19), a pulley (111), a steel wire rope (112), a fixed seat (113) and a spring (114);

the front surface of mounting panel (11) is equipped with four and decides guide pulley (12), slide rail (13) are installed to the front surface one side of mounting panel (11), the lateral wall sliding connection of slide rail (13) has slider (14).

3. The wire tensioning mechanism capable of realizing the free stop of the movable guide wheel of the wire cutting machine as claimed in claim 2, wherein: a sliding plate (15) is installed on the front surface of the sliding block (14), a movable guide wheel (16) is installed on the lower portion of the front surface of the sliding plate (15), and a molybdenum wire is arranged between the movable guide wheel (16) and the outer side wall of the fixed guide wheel (12).

4. The wire tensioning mechanism capable of realizing the free stop of the movable guide wheel of the wire cutting machine as claimed in claim 2, wherein: the welding of one side that mounting panel (11) front surface and slide rail (13) are relative has casing (17), the inside of casing (17) is equipped with balancing weight (18), the front surface of casing (17) is equipped with visor (19).

5. The wire tensioning mechanism capable of realizing the free stop of the movable guide wheel of the wire cutting machine as claimed in claim 2, wherein: and a pulley (111) is installed at the top of the front surface of the mounting plate (11), and a steel wire rope (112) is wound on the outer side wall of the pulley (111).

6. The wire tensioning mechanism capable of realizing the free stop of the movable guide wheel of the wire cutting machine as claimed in claim 5, wherein: one end of the steel wire rope (112) is fixedly connected with the top of the sliding plate (15), and the other end of the steel wire rope (112) is fixedly connected with the top of the balancing weight (18).

7. The wire tensioning mechanism capable of realizing the free stop of the movable guide wheel of the wire cutting machine as claimed in claim 2, wherein: install fixing base (113) on the front surface of mounting panel (11), logical groove (115) have been seted up to the upper surface of fixing base (113).

8. The wire tensioning mechanism capable of realizing the free stop of the movable guide wheel of the wire cutting machine as claimed in claim 7, wherein: the lower surface of the fixed seat (113) is provided with a spring (114), and the steel wire rope (112) sequentially penetrates through the through groove (115) and the spring (114) from top to bottom.