Accurate wire cutting device

Abstract

The utility model relates to the technical field of linear cutting, and discloses an accurate linear cutting device which comprises a cutting machine tool, a mounting plate is arranged at the top of the cutting machine tool, cross rods are fixedly connected to the two ends of the upper surface of the mounting plate, and clamping assemblies are arranged on the top sides of the cross rods. The clamping assembly comprises a fixed clamping jaw, an electric push rod, a movable clamping jaw, a limiting rod, a sliding rod, a cushion block, an impact plate, a first spring and a lamp switch. According to the precise wire cutting device, by arranging the clamping assembly and the light bar, the device has the in-place reminding function, personnel can conveniently and visually know whether a workpiece is fixed or not, in the clamping process, firstly, a cushion block makes contact with the workpiece and moves continuously along with a movable clamping jaw, the cushion block is stressed to retract into the movable clamping jaw, meanwhile, a sliding rod and an impact plate move, and the workpiece is clamped. And finally, the impact plate makes contact with the lamp switch, the lamp strip is turned on, and personnel know whether the clamping assembly completes clamping and positioning or not by observing whether the lamp strip is turned on or not.

Description

TECHNICAL FIELD

[0001] The utility model relates to wire cutting technical field, concretely is a kind of precision wire cutting device. BACKGROUND

[0002] Wire cutting is the abbreviation of wire cutting, refers to a processing method. It is developed on the basis of electric spark perforation, forming processing. It is using mobile (molybdenum wire, copper wire or alloy wire) as electrode wire, and the pulse electric spark discharge between electrode wire and workpiece produces high temperature to make metal melt or vaporize, forms cutting gap, thereby cutting out the processing method of part.

[0003] According to the application number for 202222201081.4 discloses a kind of wire cutting automation device, including automatic cutting mechanism and distance adjusting mechanism, the automatic cutting mechanism includes shell, the shell top side is provided with wire drum by bearing, the side of shell deviating wire drum is provided with transverse moving mechanism, the distance adjusting mechanism includes mounting column, the mounting column is placed on the upper surface of shell, the mounting column is placed between wire drum and transverse moving mechanism, upper slide groove is opened in the side surface of mounting column, lower slide groove is opened in the side surface of mounting column, the two workbenches of longitudinal and transverse movement can be carried out by servo motor control, in turn realize the actual cutting precision of workpiece to control to workpiece by automatic moving, and the device can adjust the distance of the upper and lower extension rods to ensure that when processing different workpieces, the distance of the upper and lower force points of wire can be adjusted.

[0004] There are still the following problems in actual use process:

[0005] In the prior art, when the workpiece is wire cut, the workpiece needs to be clamped and fixed using a clamp, but the traditional clamp lacks a position reminding function, and personnel cannot intuitively understand whether the workpiece is fixed, and in order to prevent sparks from splashing during wire cutting, a protective cover is often placed around the workpiece. Since there is no fixing structure for the protective cover, the stability of the protective cover is poor and it is easy to deviate. INVENTION CONTENTS

[0006] In view of the deficiencies of the prior art, the utility model provides a kind of precision wire cutting device, with position reminding function, it is convenient for personnel to intuitively understand whether the workpiece is fixed, and the protective cover can be fixed to prevent it from deviating, increase the stability advantage, solve the problems raised in the background art.

[0007] The utility model provides the following technical scheme: a kind of precision wire cutting device, including cutting machine tool, the top of the cutting machine tool is provided with mounting plate, the upper surface of the mounting plate is fixedly connected with crossbar at both ends, the top side of the crossbar is provided with clamping assembly;

[0008] The clamping assembly includes a fixed jaw, an electric push rod, a movable jaw, a limiting rod, a sliding rod, a pad, a striking plate, a first spring and a light switch, the fixed jaw is arranged on one side of the top of the cross bar, the inside of the cross bar is provided with the electric push rod, the output shaft of the electric push rod is provided with the movable jaw, the inside of the cross bar is provided with the limiting rod, one side of the movable jaw is provided with the sliding rod, one end of the sliding rod is provided with the pad, the other end of the pad is provided with the striking plate, and the surface of the sliding rod is provided with the first spring.

[0009] Preferably, the upper surface of the mounting plate is provided with a mounting groove, and the inner wall of one side of the mounting groove is provided with a fixing assembly.

[0010] Preferably, the top of the fixed jaw is fixedly connected with the cross bar, the inside of the cross bar is fixedly connected with the electric push rod, the output shaft of the electric push rod is fixedly connected with the movable jaw, the inner wall of the cross bar is fixedly connected with the limiting rod, the movable jaw is sleeved on the surface of the limiting rod, one side of the movable jaw is slidably connected with the sliding rod, one end of the sliding rod is fixedly connected with the pad, the other end of the sliding rod is fixedly connected with the striking plate, and the inner wall of the movable jaw is fixedly connected with the light switch.

[0011] Preferably, one end of the first spring is fixedly connected with the striking plate, and the other end of the first spring is fixedly connected with the inner wall of the movable jaw.

[0012] Preferably, one side of the cross bar is fixedly connected with a light bar, and the light bar is electrically connected with the light switch.

[0013] Preferably, the upper surface of the cutting machine is provided with a movable seat on one side, the mounting plate is slidably connected with the top of the movable seat, and the upper surface of the cutting machine is provided with a wire cutting assembly on the other side.

[0014] Preferably, the inside of the mounting groove is fixedly connected with a protective cover through the fixing assembly, one side of the protective cover is provided with a clamping groove, the clamping block is arranged in the clamping groove, and the surface of the protective cover is provided with an observation window.

[0015] Compared with the prior art, the cutting machine has the following beneficial effects:

[0016] 1. The precision wire cutting device, by setting up the clamping assembly and the lamp bar, make the device have the on-site reminding function, convenient for personnel to intuitively understand whether the workpiece is fixed, the cushion block is first contacted with the workpiece in the clamping process, with the continuous movement of the movable clamping jaw, the cushion block is forced to shrink into the inside of the movable clamping jaw, and the slide rod and the impact plate are moved, finally the impact plate is contacted with the lamp switch and the lamp bar is opened, personnel observe whether the lamp bar is lighted to understand whether the clamping assembly is completed clamping positioning.

[0017] 2. The precision wire cutting device, by setting up the fixed assembly, the protective cover can be clamped and fixed, preventing it from deviating, increasing stability, when the protective cover needs to be disassembled, the pull bar is pulled outward to drive the clamping block to move horizontally through the connecting rod, so that the clamping block is shrunk into the inside of the groove, when the clamping block is completely separated from the inside of the clamping groove, the protective cover can be taken out upward, convenient for personnel operation and understanding. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The device overall structure schematic diagram of the precision wire cutting device is provided.

[0019] Figure 2 The mounting plate structure schematic diagram of the precision wire cutting device is provided.

[0020] Figure 3 The mounting plate structure schematic diagram of the precision wire cutting device is provided.

[0021] Figure 4 The clamping assembly structure schematic diagram of the precision wire cutting device is provided.

[0022] Figure 5 The fixed assembly structure schematic diagram of the precision wire cutting device is provided.

[0023] Figure 6 The protective cover structure schematic diagram of the precision wire cutting device is provided.

[0024] In the figure: 1, cutting machine tool; 2, moving seat; 3, mounting plate; 4, cross bar; 5, clamping assembly; 501, fixed clamping jaw; 502, electric push rod; 503, movable clamping jaw; 504, limiting rod; 505, slide rod; 506, cushion block; 507, impact plate; 508, first spring; 509, lamp switch; 6, lamp bar; 7, mounting groove; 8, fixed assembly; 801, groove; 802, second spring; 803, clamping block; 804, sliding block; 805, connecting rod; 806, pull bar; 9, protective cover; 10, clamping groove; 11, observation window; 12, wire cutting assembly. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figures 1 to 4 A precise wire cutting device, including cutting machine bed 1, the top of cutting machine bed 1 is provided with mounting plate 3, the upper surface of mounting plate 3 both ends are fixedly connected with cross bar 4, the top side of cross bar 4 is provided with clamping assembly 5, clamping assembly 5 includes fixed jaw 501, electric push rod 502, movable jaw 503, limit rod 504, sliding rod 505, pad 506, impact plate 507, first spring 508, light switch 509, fixed jaw 501 is arranged at the top side of cross bar 4, the inside of cross bar 4 is provided with electric push rod 502, the output shaft of electric push rod 502 is provided with movable jaw 503, the inside of cross bar 4 is provided with limit rod 504, one side of movable jaw 503 is provided with sliding rod 505, one end of sliding rod 505 is provided with pad 506, the other end of pad 506 is provided with impact plate 507, the surface of sliding rod 505 is provided with first spring 508, one side inner wall of movable jaw 503 is provided with light switch 509;

[0027] Through being provided with clamping assembly 5 and light bar 6, the device has a timely reminding function, personnel can intuitively know whether the workpiece is fixed, when clamping is completed, light bar 6 lights up, by observing whether light bar 6 lights up, whether clamping assembly 5 completes clamping positioning is known.

[0028] Please refer to Figures 1 to 4 Fixed jaw 501 is fixedly connected with the top of cross bar 4, electric push rod 502 is fixedly connected with the inside of cross bar 4, movable jaw 503 is fixedly connected with the output shaft of electric push rod 502, limit rod 504 is fixedly connected with the inner wall of cross bar 4, and movable jaw 503 is sleeved on the surface of limit rod 504, sliding rod 505 is slidingly connected with one side of movable jaw 503, pad 506 is fixedly connected with one end of sliding rod 505, impact plate 507 is fixedly connected with the other end of sliding rod 505, light switch 509 is fixedly connected with the inner wall of movable jaw 503, one end of first spring 508 is fixedly connected with impact plate 507, the other end of first spring 508 is fixedly connected with the inner wall of movable jaw 503, one side of cross bar 4 is fixedly connected with light bar 6, and light bar 6 is electrically connected between light switch 509.

[0029] During the clamping process, the pad 506 first contacts the workpiece, and as the movable clamping jaw 503 continuously moves, the pad 506 is forced to retract into the inside of the movable clamping jaw 503, and at the same time, the slide rod 505 and the impact plate 507 are moved, finally making the impact plate 507 contact the light switch 509 and turn on the light bar 6.

[0030] Please refer to Figure 3 and Figure 5 The upper surface of the mounting plate 3 is provided with a mounting groove 7, and the inner wall of one side of the mounting groove 7 is provided with a fixing assembly 8. The fixing assembly 8 comprises a groove 801, a second spring 802, a clamping block 803, a sliding block 804, a connecting rod 805 and a push bar 806. The inner wall of one side of the mounting groove 7 is provided with the groove 801. The inner wall of one side of the groove 801 is fixedly connected with the second spring 802. One end of the second spring 802 is fixedly connected with the clamping block 803, and one side of the clamping block 803 is arc-shaped. The two sides of the clamping block 803 are fixedly connected with the sliding block 804. The clamping block 803 is slidably connected with the groove 801 through the sliding block 804. One side of the clamping block 803 is fixedly connected with the connecting rod 805, and one end of the connecting rod 805 is fixedly connected with the push bar 806.

[0031] By setting the fixing assembly 8, the protective cover 9 can be clamped and fixed, preventing it from deviating and increasing stability. The protective cover 9 is inserted into the mounting groove 7, so that the clamping block 803 is reset into the inside of the clamping groove 10, and the protective cover 9 is fixed.

[0032] Please refer to Figure 1 and Figure 6 The upper surface of the cutting machine tool 1 is provided with a moving seat 2, and the mounting plate 3 is slidably connected with the top of the moving seat 2. The upper surface of the cutting machine tool 1 is provided with a wire cutting assembly 12. The inside of the mounting groove 7 is fixedly connected with the protective cover 9 through the fixing assembly 8. One side of the protective cover 9 is provided with a clamping groove 10, and the clamping block 803 is located in the inside of the clamping groove 10. The surface of the protective cover 9 is provided with an observation window 11.

[0033] The protective cover 9 can prevent sparks from flying during the wire cutting process, and the observation window 11 can intuitively understand the workpiece processing status, facilitating personnel to timely find problems during processing.

[0034] In the utility model, the working principle of the device is as follows:

[0035] In use, the workpiece is placed on the cross bar 4, so that the workpiece is located between the fixed jaw 501 and the movable jaw 503, and then the electric push rod 502 is started to push the movable jaw 503, so that the movable jaw 503 slides horizontally on the limiting rod 504, and the workpiece is clamped and fixed, and during the clamping process, the pad 506 first contacts the workpiece, and as the movable jaw 503 continuously moves, the pad 506 is forced to retract into the inside of the movable jaw 503, and at the same time, the slide rod 505 and the impact plate 507 are moved, and finally the impact plate 507 contacts the lamp switch 509 and opens the lamp strip 6, so as to remind the person to position, and the person can intuitively understand whether the clamping assembly 5 completes the clamping positioning by observing whether the lamp strip 6 is lighted;

[0036] After the workpiece is fixed, the protective cover 9 is inserted into the installation groove 7, and after the protective cover 9 is inserted, the bottom extrusion clamping block 803 is forced to retract into the groove 801 due to the arc shape of one side of the clamping block 803, and then after the protective cover 9 completely enters the installation groove 7, the clamping block 803 is reset into the inside of the clamping groove 10, so as to fix the protective cover 9 and prevent the protective cover 9 from deviating, and the protective cover 9 can prevent sparks from splashing during the wire cutting process, when it is necessary to disassemble the protective cover 9, the push bar 806 is pulled outward, the clamping block 803 is driven by the connecting rod 805 to move horizontally, so that the clamping block 803 retracts into the inside of the groove 801, and when the clamping block 803 completely separates from the inside of the clamping groove 10, the protective cover 9 can be taken out upward, which is convenient for the person to operate and understand.

[0037] It should be noted that, in the present document, the terms such as first and second, etc., are merely used to differentiate one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Also, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device.

[0038] Although the embodiments of the present application 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 present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A precision wire cutting device comprising a cutting machine (1), characterized in that, The top of the cutting machine (1) is provided with a mounting plate (3), the upper surface of the mounting plate (3) is fixedly connected with a cross bar (4) at both ends, and the top side of the cross bar (4) is provided with a clamping assembly (5); The clamping assembly (5) comprises a fixed jaw (501), an electric push rod (502), a movable jaw (503), a limiting rod (504), a sliding rod (505), a pad (506), an impact plate (507), a first spring (508), and a light switch (509). The fixed jaw (501) is arranged on one side of the top of the cross bar (4). The cross bar (4) is internally provided with the electric push rod (502). The output shaft of the electric push rod (502) is provided with the movable jaw (503). The cross bar (4) is internally provided with the limiting rod (504). One side of the movable jaw (503) is provided with the sliding rod (505). One end of the sliding rod (505) is provided with the pad (506). The other end of the pad (506) is provided with the impact plate (507). The surface of the sliding rod (505) is provided with the first spring (508). One side of the movable jaw (503) is provided with the light switch (509).

2. The precision wire cutting device of claim 1, wherein: The upper surface of the mounting plate (3) is provided with a mounting groove (7). One side of the mounting groove (7) is provided with a fixing assembly (8). The fixing assembly (8) comprises a groove (801), a second spring (802), a clamping block (803), a sliding block (804), a connecting rod (805), and a push bar (806). One side of the mounting groove (7) is provided with the groove (801). One side of the groove (801) is fixedly connected with the second spring (802). One end of the second spring (802) is fixedly connected with the clamping block (803). One side of the clamping block (803) is arc-shaped. The clamping block (803) is fixedly connected with the sliding block (804) on both sides. The clamping block (803) is slidably connected with the groove (801) through the sliding block (804). One side of the clamping block (803) is fixedly connected with the connecting rod (805). One end of the connecting rod (805) is fixedly connected with the push bar (806).

3. The precision wire cutting device of claim 1, wherein: The fixed jaw (501) is fixedly connected with the top of the cross bar (4). The electric push rod (502) is fixedly connected with the inside of the cross bar (4). The movable jaw (503) is fixedly connected with the output shaft of the electric push rod (502). The limiting rod (504) is fixedly connected with the inner wall of the cross bar (4), and the movable jaw (503) is sleeved on the surface of the limiting rod (504). The sliding rod (505) is slidably connected with one side of the movable jaw (503). The pad (506) is fixedly connected with one end of the sliding rod (505). The impact plate (507) is fixedly connected with the other end of the sliding rod (505). The light switch (509) is fixedly connected with the inner wall of the movable jaw (503).

4. The precision wire cutting device of claim 1, wherein: One end of the first spring (508) is fixedly connected with the impact plate (507), and the other end of the first spring (508) is fixedly connected with the inner wall of the movable clamp jaw (503).

5. The precision wire cutting device of claim 1, wherein: One side of the cross bar (4) is fixedly connected with a lamp strip (6), and the lamp strip (6) is electrically connected with a lamp switch (509).

6. The precision wire cutting device of claim 1, wherein: The upper surface of the cutting machine tool (1) is provided with a movable seat (2) on one side, the mounting plate (3) is in sliding connection with the top of the movable seat (2), and the upper surface of the cutting machine tool (1) is provided with a wire cutting assembly (12) on the other side.

7. The precision wire cutting device of claim 2, wherein: The inside of the mounting groove (7) is fixedly provided with a protective cover (9) through a fixing assembly (8), one side of the protective cover (9) is provided with a clamping groove (10), the clamping block (803) is located in the clamping groove (10), and the surface of the protective cover (9) is provided with an observation window (11).

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