CN211588822U

CN211588822U - Wire cutting device

Info

Publication number: CN211588822U
Application number: CN201922314588.9U
Authority: CN
Inventors: 何兆伦
Original assignee: Guangxi Dongcheng Electronic Plastic Co ltd
Current assignee: Guangxi Dongcheng Electronic Plastic Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-09-29
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a wire cutting device, which comprises a frame, a workbench for fixing a workpiece, a wire tightening mechanism and a wire distributing system, wherein the workbench is arranged on the frame in an adjustable way, and the wire distributing system can receive and release a cutting wire for cutting the workpiece; the silk tightening mechanism is detachably installed on the frame, be provided with the regulator on the silk tightening mechanism, be provided with the godet wheel that is used for supporting tight line of cut on the regulator, the adjustable godet wheel position of regulator on silk tightening mechanism to compel tightly or relax the line of cut. This wire cutting device designs tight silk mechanism, utilizes the regulator on it to adjust the elasticity of whole line of cut for walk the line system and walk the line in-process, the line of cut is located the part of cutting work area and has certain tension, avoids line of cut work area's part drunkenness too big, improves the quality of whole work piece cutting. In addition, the work piece is moved by the workbench which can be freely moved, so that the processing flexibility is improved.

Description

Wire cutting device

Technical Field

The utility model relates to a toy forming die processing technology field especially relates to a wire cutting device.

Background

The wire cutting machine mainly comprises three parts, namely a machine tool, a numerical control system and a high-frequency power supply, has the main functions of gap compensation, linear interpolation, circular interpolation, automatic broken wire processing and the like, can cut materials such as high-strength, high-toughness, high-hardness, high-brittleness and magnetic materials and precise, fine and complex-shaped parts, and is widely applied to various industries in the wire cutting technology and the wire cutting machine tool.

Therefore, when the forming die of the toy is machined by some enterprises, the toy can be machined by adopting linear cutting, and compared with the traditional milling machining, the machining method can effectively aim at the machining of the inner die with a complex shape, and the machining precision is more precise. Because the machining thickness of the die is large, in the machining process of the linear cutting machine tool, due to the fact that electric corrosion and the influence of tension generated by reciprocating wire conveying of the wire storage cylinder occur, the wire electrode is prone to loosening and shaking, and therefore the conditions of short circuit, wire breakage or machining surface quality defects and the like occur in the machining process. Although most of the prior art wire cutting machine tools have designed wire tightening structures, the wire tightening effect is not ideal for long-term processing because the cutting wire has large force when the die with large thickness is cut in actual production.

Disclosure of Invention

The utility model discloses aim at solving one of the above-mentioned technical problem at least, provide a wire cutting device, this device utilizes the tight silk mechanism to come the elasticity line of cut for whole line of cut can keep certain tension in the cutting process, improves the cutting quality of product.

In order to realize the purpose, the utility model discloses a technical scheme be:

a wire cutting device comprises a rack, a workbench for fixing a workpiece, a wire tightening mechanism and a wire routing system, wherein the workbench is arranged on the rack in an adjustable position, and the wire routing system can retract and release a cutting wire for cutting the workpiece; the silk tightening mechanism is detachably installed on the frame, be provided with the regulator on the silk tightening mechanism, be provided with the godet wheel that is used for supporting tight line of cut on the regulator, the adjustable godet wheel position of regulator on silk tightening mechanism to compel tightly or relax the line of cut.

As an improvement of the technical scheme, the regulator is provided with a support, a movable rod is vertically movably inserted into the support, and the godet wheel is rotatably arranged at the lower end of the movable rod; the part of the upper end of the movable rod penetrating through the support is sleeved with a spring, and at least one balancing weight is placed at the upper end of the movable rod.

As an improvement of the technical scheme, the periphery of the godet wheel is provided with a groove used for containing the cutting line along the circumferential direction.

As an improvement of the technical scheme, a knob for locking the movable rod is arranged on the support.

As an improvement of the technical scheme, a key groove is formed in the outer side wall of the movable rod along the length direction of the movable rod, and a key block matched with the key groove is arranged in the support.

As an improvement of the above technical solution, the routing system comprises a wire storage barrel and a plurality of wire guide wheels for guiding the cutting wires; the wire storage cylinder and the wire guide wheel are both rotatably arranged on the frame; the wire storage barrel is used for storing and releasing cutting wires for operation.

As an improvement of the above technical scheme, a first cantilever and a second cantilever are arranged on the frame, the first cantilever and the second cantilever are arranged in parallel, the first cantilever is arranged above the second cantilever, the first cantilever and the second cantilever both point to the workbench, and the wire guide wheels are arranged on the first cantilever and the second cantilever.

As an improvement of the above technical scheme, a slide rail is arranged on the rack, the first cantilever is slidably mounted on the slide rail, and a lifting screw rod for driving the first cantilever to slide is arranged on the rack.

As an improvement of the technical scheme, the workbench comprises a cross sliding table and a fixing clamp arranged on the cross sliding table.

Compared with the prior art, the beneficial effects of this application are:

the utility model discloses a tight silk mechanism of wire cutting device design utilizes the regulator on it to adjust the elasticity of whole line of cut for walk the line system and walk the line in-process, the line of cut is located the part of cutting work district and has certain tension, avoids line of cut work area's part drunkenness too big, improves the quality of whole work piece cutting. In addition, the work piece is moved by the workbench which can be freely moved, so that the processing flexibility is improved. The wire cutting device is simple in structure, and can effectively solve the problem of insufficient tension caused by long-term work in the cutting line working process.

Drawings

The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of a wire tensioning mechanism in an embodiment of the present invention;

fig. 3 is a schematic view of a partial structure of a wire tightening mechanism in an embodiment of the present invention.

Detailed Description

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or there can be intervening components, and when a component is referred to as being "disposed in the middle," it is not just disposed in the middle, so long as it is not disposed at both ends, but rather is within the scope of the middle. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items

As shown in fig. 1 to 3, the present invention provides a wire cutting device, which includes a frame 1, a workbench 2 for fixing a workpiece, a wire tensioning mechanism 3, and a wire routing system 4, wherein the workbench 2 is adjustably disposed on the frame 1, and the wire routing system 4 can receive and release a cutting wire 41 for cutting the workpiece; the wire tensioning mechanism 3 is detachably mounted on the frame 1, and the workbench 2 comprises a cross sliding table 21 and a fixing clamp 22 arranged on the cross sliding table 21. Be provided with regulator 31 on the silk tightening mechanism 3, be provided with the godet wheel 32 that is used for supporting tight cutting line 41 on the regulator 31, the adjustable godet wheel 32 of regulator 31 is in the position on silk tightening mechanism 3 to compel tight or relax cutting line 41. The wire tightening mechanism 3 may be fixed to the frame 1 by screws, or may be fixed to the frame by an adsorbing material such as a magnet or by structural adsorption.

In the present application, referring to fig. 2 and 3, the adjustor 31 is provided with a support 311, the support 311 is vertically movably inserted with a movable rod 312, and the godet 32 is rotatably installed at the lower end of the movable rod 312; the upper end of the movable rod 312 is sleeved with a spring 313 through the support 311, and at least one balancing weight 314 is placed on the upper end of the movable rod 312. The design is such that the whole movable rod 312 is a movable structure, and the force of the godet 32 on the cutting line 41 is completely dependent on the weight of the counterweight 314 added by the operator. The main function of the spring 313 is to avoid the excessive jumping of the cutting line 41 during operation, which in turn causes the excessive jumping of the weight block 314, which effectively absorbs the influence of the jumping of the weight block 314 on the cutting line 41, and simultaneously ensures the stable routing of the routing system 4. In order to better tighten the cutting wire 41, in another embodiment of the present application, the godet wheel 32 is circumferentially provided with a groove 33 for receiving the cutting wire 41, so that the cutting wire 41 is effectively prevented from falling off from the godet wheel 32. In addition, in other embodiments of the present application, since some mold processing areas need to maintain high stability, the support 311 is provided with a knob 315 for locking the movable rod 312, and the knob 315 is used for locking the position of the movable rod 312 relative to the position extending out of the support 311. Of course, the knob 315 is rarely used during normal operation, and the weight 314 is basically used in the normal process of the present application to adjust the tightness of the cutting line 41.

Referring to fig. 3, in an embodiment of the present application, since the movable rod 312 is movably inserted into the holder 311, in order to prevent the movable rod 312 and the holder from rotating relative to each other, a key groove 316 is formed on an outer side wall of the movable rod 312 along a length direction thereof, and a key block 317 that matches the key groove 316 is formed in the holder 311.

Referring to fig. 1, the routing system 4 includes a wire storage drum 42 and a plurality of wire guide wheels 43 for guiding the cutting wires 41; the wire storage cylinder 42 and the wire guide wheel 43 are both rotatably arranged on the frame 1; the wire storage cylinder 42 is used for storing the cutting wire 41 for operation. The yarn storage drum 42 is of conventional construction and will not be described in detail herein, and in the present application a drive motor (not shown) is connected to the yarn storage drum 42.

And in this application be provided with first cantilever 11 and second cantilever 12 on the frame 1, first cantilever 11 and second cantilever 12 parallel arrangement, first cantilever 11 sets up the top at second cantilever 12, first cantilever 11 and second cantilever 12 all point to workstation 2, all be provided with on first cantilever 11 and the second cantilever 12 wire wheel 43. The frame 1 is provided with a slide rail 13, the first cantilever 11 is slidably mounted on the slide rail 13, and the frame 1 is provided with a lifting screw 14 for driving the first cantilever 11 to slide. Obviously, the lifting screw rod 14 is connected with a servo motor, so that the processing range between the first cantilever 11 and the second cantilever 12 is adjustable, and the processing adaptability of the whole product is improved. Furthermore, the cutting line 41 is wound around the line guide wheels 43 on the ends of the first and

second cantilever arms

11 and 12, respectively, whereas the tensioning means 3 is designed in the present case on the first cantilever arm 11 for easy adjustment.

The utility model discloses a tight silk mechanism 3 of wire cutting device design utilizes the regulator 31 on it to adjust the elasticity of whole line of cut 41 for walk line system 4 at the line in-process of walking, the part that line of cut 41 is located the cutting work district has certain tension, avoids line of cut 41 work area's part drunkenness too big, improves the quality of whole work piece cutting. In addition, the work piece is moved by the workbench 2 which can be freely moved, so that the processing flexibility is improved. The wire cutting device is simple in structure, and can effectively solve the problem that tension is insufficient due to long-term work in the working process of the cutting wire 41.

The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.

Claims

1. A wire cutting device, its characterized in that: the wire tightening mechanism comprises a rack, a workbench for fixing a workpiece, a wire tightening mechanism and a wire routing system, wherein the workbench is arranged on the rack in an adjustable position, and the wire routing system can retract and release a cutting wire for cutting the workpiece; the silk tightening mechanism is detachably installed on the frame, be provided with the regulator on the silk tightening mechanism, be provided with the godet wheel that is used for supporting tight line of cut on the regulator, the adjustable godet wheel position of regulator on silk tightening mechanism to compel tightly or relax the line of cut.

2. The wire cutting device according to claim 1, wherein the adjustor is provided with a support, a movable rod is vertically movably inserted into the support, and the godet wheel is rotatably mounted at the lower end of the movable rod; the part of the upper end of the movable rod penetrating through the support is sleeved with a spring, and at least one balancing weight is placed at the upper end of the movable rod.

3. A wire cutting apparatus as defined in claim 2, wherein the godet wheel is circumferentially provided with a groove for receiving the cutting wire.

4. A wire cutting device according to claim 2, wherein the holder is provided with a knob for locking the movable bar.

5. The wire cutting device according to claim 2, wherein a key groove is formed on an outer side wall of the movable rod along a length direction thereof, and a key block matching with the key groove is arranged in the support.

6. A wire cutting device according to any one of claims 1 to 5, wherein the routing system comprises a wire storage drum and a plurality of wire guide wheels for guiding the cutting wire; the wire storage cylinder and the wire guide wheel are both rotatably arranged on the frame; the wire storage barrel is used for storing and releasing cutting wires for operation.

7. The wire cutting device according to claim 6, wherein the frame is provided with a first cantilever and a second cantilever, the first cantilever and the second cantilever are arranged in parallel, the first cantilever is arranged above the second cantilever, the first cantilever and the second cantilever are both directed to the worktable, and the wire guide wheels are arranged on the first cantilever and the second cantilever.

8. The wire cutting device according to claim 7, wherein the frame is provided with a slide rail, the first suspension arm is slidably mounted on the slide rail, and the frame is provided with a lifting screw for driving the first suspension arm to slide.

9. The wire cutting device according to any one of claims 1 to 5, wherein the table comprises a cross slide and a fixing jig provided on the cross slide.