Wire pressing device for linear cutting machine tool

Abstract

The utility model relates to the technical field of linear cutting machine tools, in particular to a wire pressing device for a linear cutting machine tool, which comprises a support frame, a mounting plate fixed on the side surface of the support frame, support plates fixed at the top end of the mounting plate, winding pulleys mounted between the two support plates, and a cutting wire connected between the two winding pulleys. The two ends of the cutting line penetrate through the line through holes, friction and abrasion are reduced through protection of the protection sleeve, limiting and stabilizing are conducted through the installation cylinder, the cutting line is kept vertical, and cutting use is facilitated. The cutting line is wound on the surface of the winding pulley, the winding pulley is rotated through the rotating handle, the length and the tightness degree of the cutting line between the two mounting plates are adjusted, the jacking plate is jacked and fixed through the jacking bolt, the stability of the winding pulley is kept, then the cutting line can be wound in order, and the tightness degree of the cutting line can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of wire cutting machine tools, and specifically relates to a wire pressing device for a wire cutting machine tool. Background Technique

[0002] Wire cutting is a numerically controlled machine tool that uses the reciprocating movement of an electrode wire to discharge electricity to a conductor for processing. When the Soviet couple Lazarenko studied the phenomenon and cause of the damage of switch contacts by spark discharge corrosion, they found that the instantaneous high temperature of the electric spark can melt and oxidize the local metal and corrode it, thus pioneering and inventing the electric spark processing method.

[0003] Wire electrical discharge machining, also known as wire cutting, its basic working principle is to use a continuously moving thin metal wire (called electrode wire) as an electrode to perform pulsed spark discharge on the workpiece to erode metal and cut into shape. It is mainly used for processing various workpieces with complex shapes and precision and small size.

[0004] Before using a wire cutting machine tool, the cutting wire needs to be installed on the machine tool. After the cutting wire is installed, it is necessary to press the wire through a wire pressing device to make the cutting wire tense to a certain extent for convenient cutting.

[0005] For example, the existing patent publication number CN214443664U provides a wire pressing device for a wire cutting machine tool. The inner sliding rod of this device is composed of an inner connecting rod, a slider and a butterfly screw. The sliders are arranged at the top and bottom of the inner connecting rod, and one end of the butterfly screw is connected to one side of the inner connecting rod through a bearing; the connecting seat is composed of a butterfly handle, a threaded connecting column and a bolt rod. The butterfly handle is arranged at one end of the threaded connecting column, and the bolt rod is connected to the other end of the threaded connecting column through a bearing; it can not only adjust the tension degree of the cutting wire, but also conveniently connect the cutting wire and the wire pressing device.

[0006] However, its device is only suitable for adjusting the tension degree of the cutting wire, and can also conveniently connect the cutting wire and the wire pressing device.

[0007] For the existing wire pressing device for a wire cutting machine tool, the two ends of the cutting wire are not stable enough, easy to shake and skew, without limit treatment, and the friction and wear between the two ends and the wire pressing device are relatively serious, lacking an anti-wear protection structure. Moreover, for a longer cutting wire, it cannot be well and stably wound, and the situation of messy winding will occur, which is not convenient for pulling out the cutting wire for use. Content of the Utility Model

[0008] The purpose of the utility model is to provide a wire pressing device for a wire cutting machine tool to solve the problems that the two ends of the cutting wire are not stable enough, easy to shake and skew, without limit treatment, and the friction and wear between the two ends and the wire pressing device are relatively serious.

[0009] To achieve the above object, the utility model provides the following technical solution: A wire pressing device for a wire cutting machine tool, including a support frame, an installation plate is fixed on the side of the support frame, a support plate is fixed on the top of the installation plate, a winding pulley is installed between the two support plates, and a cutting wire is connected between the two winding pulleys.

[0010] Preferably, installation holes are formed on the surface of the installation plate, and an installation cylinder is inserted into the interior of the installation holes.

[0011] Preferably, a wire passing hole is formed in the middle of the installation cylinder, a protective sleeve is pasted on the inner surface of the wire passing hole, and the cutting wire passes through the wire passing hole.

[0012] Preferably, a connecting plate is fixed on the outer side surface of the installation cylinder, a first connecting hole is formed on the surface of the connecting plate, and the connecting plate is lapped on the outside of the installation plate.

[0013] Preferably, a second connecting hole is formed on the outer side surface of the installation plate, the second connecting hole is aligned with the first connecting hole, and fastening bolts are inserted into the interiors of the first connecting hole and the second connecting hole.

[0014] Preferably, a rotating handle passes through the middle of the winding pulley, the rotating handle is rotatably connected to the two support plates, and a third connecting hole is formed on the surface of the support plate.

[0015] Preferably, pressing plates are fixed at both ends of the winding pulley, a pressing bolt passes through the interior of the third connecting hole, and the pressing bolt presses against the side surface of the pressing plate.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] 1. In the utility model, by fixing the installation plate on the side of the support frame, and detachably arranging the installation cylinder in the installation holes on the surface of the installation plate through the connecting plate and the fastening bolts, a wire passing hole is arranged inside the installation cylinder, and a protective sleeve is pasted on the inner surface of the wire passing hole. In this way, both ends of the cutting wire pass through the wire passing hole, are protected by the protective sleeve, the friction and wear are reduced, and the cutting wire is limited and stabilized by the installation cylinder, so that the cutting wire is kept vertically arranged and is not prone to shaking and skewing, which is beneficial to cutting use.

[0018] 2. On the outside of the installation plate in the utility model, the winding pulley is installed through the support plate and the rotating handle, and pressing plates are fixed at both ends of the winding pulley. Moreover, the pressing bolts pass through the surface of the support plate. In this way, the cutting wire is wound on the surface of the winding pulley, the rotating handle is rotated to rotate the winding pulley, the length and tightness of the cutting wire between the two installation plates are adjusted, and the pressing bolts press against the pressing plates to keep the winding pulley stable. Furthermore, the cutting wire can be wound orderly, and the tightness of the cutting wire can be adjusted. Brief Description of the Drawings

[0019] Figure 1 This is a schematic diagram of the overall structure of the present utility model;

[0020] Figure 2 For the present utility model Figure 1 An enlarged view of part A;

[0021] Figure 3 For the present utility model Figure 1 An enlarged view of part B;

[0022] Figure 4 For the present utility model Figure 1 A partial sectional view of the mounting cylinder;

[0023] Figure 5 For the present utility model Figure 1 A partial sectional view of the winding pulley.

[0024] In the figure: 1, support frame; 2, cutting wire; 3, mounting plate; 4, mounting cylinder; 5, support plate; 6, connecting plate; 7, first connection hole; 8, fastening bolt; 9, second connection hole; 10, mounting hole; 11, wire passing hole; 12, protective sleeve; 13, tightening bolt; 14, rotating handle; 15, winding pulley; 16, tightening plate; 17, third connection hole. Detailed Description of the Preferred Embodiment

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model. Embodiment

[0026] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , a wire pressing device for a wire cutting machine tool shown in the figure, including a support frame 1. The support frame 1 has a U-shaped structure and is used to install the cutting wire 2 on the wire cutting machine tool. An installation plate 3 is fixed to the side of the support frame 1. The installation plate 3 has a rectangular plate structure and is horizontally arranged. A support plate 5 is fixed to the top of the installation plate 3. The support plate 5 has a rectangular structure and is vertically arranged.

[0027] A winding pulley 15 is installed between two support plates 5. The winding pulley 15 is horizontally arranged outside the mounting plate 3 and is used for winding the cutting wire 2 and can adjust the tightness of the cutting wire 2. A cutting wire 2 is connected between the two winding pulleys 15. The cutting wire 2 is vertically arranged on one side of the support frame 1 and passes through between the two mounting plates 3.

[0028] Mounting holes 10 are formed on the surface of the mounting plate 3. An installation cylinder 4 is inserted into the interior of the mounting hole 10. The installation cylinder 4 is of a cylindrical structure and is vertically arranged. A wire passing hole 11 is formed in the middle of the installation cylinder 4. The diameter of the wire passing hole 11 is not less than the diameter of the cutting wire 2, so as to limit the two ends of the cutting wire 2 and keep the cutting wire 2 vertically arranged.

[0029] A protective sleeve 12 is pasted on the inner surface of the wire passing hole 11. The protective sleeve 12 is made of wear-resistant rubber material to space the contact between the cutting wire 2 and the installation cylinder 4 and reduce the friction and wear at both ends of the cutting wire 2. The cutting wire 2 passes through the wire passing hole 11.

[0030] A connecting plate 6 is fixed to the outer end side surface of the installation cylinder 4. The connecting plate 6 is of a circular plate structure and is horizontally arranged. A first connection hole 7 is formed on the surface of the connecting plate 6. The connecting plate 6 is lapped on the outside of the mounting plate 3. A second connection hole 9 is formed on the outer side surface of the mounting plate 3. The second connection hole 9 is of a threaded hole structure.

[0031] The second connection hole 9 is aligned with the first connection hole 7. A fastening bolt 8 is inserted into the interiors of both the first connection hole 7 and the second connection hole 9, so as to tightly install and connect the connecting plate 6 and the mounting plate 3, and further detachably install and connect the installation cylinder 4 and the mounting plate 3.

[0032] A rotating handle 14 passes through the middle of the winding pulley 15. The rotating handle 14 is of an L-shaped structure and is horizontally arranged and is used for rotating the winding pulley 15. The rotating handle 14 is rotatably connected to the two support plates 5. A third connection hole 17 is formed on the surface of the support plate 5. The third connection hole 17 is of a threaded hole structure.

[0033] Tightening plates 16 are fixed to both ends of the winding pulley 15. The tightening plates 16 are of a circular plate structure and are vertically arranged inside the support plate 5. A tightening bolt 13 passes through the interior of the third connection hole 17. The tightening bolt 13 is horizontally arranged. The tightening bolt 13 abuts against the side surface of the tightening plate 16 to keep the winding pulley 15 stably arranged and keep the tightness of the cutting wire 2.

[0034] For this wire cutting machine's wire pressing device, during use: by fixedly installing the mounting plate 3 on the side surface of the support frame 1, and inside the mounting hole 10 on the surface of the mounting plate 3, detachably arranging the installation cylinder 4 through the connecting plate 6 and the fastening bolt 8, arranging the wire passing hole 11 inside the installation cylinder 4, and pasting the protective sleeve 12 on the inner surface of the wire passing hole 11.

[0035] In this way, both ends of the cutting wire 2 pass through the wire passing hole 11, are protected by the protective sleeve 12 to reduce friction and wear, and are limited and stabilized by the mounting cylinder 4, so as to keep the cutting wire 2 vertically arranged, and it is not easy to shake or skew, which is beneficial to cutting use.

[0036] On the outer side of the mounting plate 3, the winding pulley 15 is installed through the support plate 5 and the rotating handle 14, and the pressing plates 16 are fixed at both ends of the winding pulley 15. Moreover, the tightening bolts 13 pass through the surface of the support plate 5.

[0037] In this way, the cutting wire 2 is wound around the surface of the winding pulley 15, and the winding pulley 15 is rotated by the rotating handle 14 to adjust the length and tightness of the cutting wire 2 between the two mounting plates 3, and the pressing plate 16 is tightened and fixed by the tightening bolt 13 to keep the winding pulley 15 stable. Furthermore, the cutting wire 2 can be wound orderly, and the tightness of the cutting wire 2 can be adjusted.

[0038] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprises", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0039] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wire pressing device for a wire cutting machine tool, characterized in that, Including: A support frame (1), on the side of the support frame (1), there is a fixed mounting plate (3), at the top of the mounting plate (3), there is a fixed support plate (5), between the two support plates (5), there is a winding pulley (15) installed, between the two winding pulleys (15), there is a cutting wire (2) connected, on the surface of the mounting plate (3), there are mounting holes (10), inside the mounting holes (10), there is an inserted mounting cylinder (4), in the middle of the mounting cylinder (4), there is a wire passing hole (11), on the inner surface of the wire passing hole (11), there is a pasted protective sleeve (12), the cutting wire (2) passes through the wire passing hole (11), through the middle of the winding pulley (15), there is a rotating handle (14), the rotating handle (14) is rotationally connected with the two support plates (5), on the surface of the support plate (5), there are third connection holes (17), at both ends of the winding pulley (15), there are fixed tightening plates (16), through the inside of the third connection holes (17), there are tightening bolts (13), and the tightening bolts (13) press against the side surfaces of the tightening plates (16).

2. The wire pressing device for a wire cutting machine tool according to claim 1, characterized in that: On the outer end side surface of the mounting cylinder (4), there is a fixed connecting plate (6), on the surface of the connecting plate (6), there are first connection holes (7), and the connecting plate (6) is lapped on the outside of the mounting plate (3).

3. The wire pressing device for a wire cutting machine tool according to claim 2, characterized in that: On the outer side surface of the mounting plate (3), there are second connection holes (9), the second connection holes (9) are aligned with the first connection holes (7), and inside the first connection holes (7) and the second connection holes (9), there are inserted fastening bolts (8).

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