Wire pressing device of electric spark numerical control wire cutting machine tool

Abstract

The utility model belongs to the technical field of electric spark numerical control wire cutting machine tools, and discloses a wire pressing device of an electric spark numerical control wire cutting machine tool. The wire pressing device comprises a supporting plate, a second supporting plate is arranged under the supporting plate, a plurality of guide wheels are arranged on the right sides of the supporting plate and the second supporting plate, and protection mechanisms are arranged on the sides, close to each other, of the supporting plate and the second supporting plate; the protection mechanism comprises a fixing block, a hidden groove is formed in the fixing block, translation grooves are formed in the inner walls of the front side and the rear side of the hidden groove correspondingly, translation blocks are arranged in the translation grooves correspondingly, and a shifting block is jointly connected between the two translation blocks. And a shifting block is pushed by a reset spring to move in a hidden groove in a fixed block, so that the situation that the surface of a guide wheel set is damaged due to the fact that the electric spark wire is broken from the middle section between the vertical plate and the lower supporting plate and collides with the guide wheel set on the vertical plate and the lower supporting plate when the electric spark wire is broken is avoided.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of electric spark numerical control wire cutting machine tools, in particular to a wire pressing device of an electric spark numerical control wire cutting machine tool. BACKGROUND

[0002] The numerical control electric spark wire cutting machine tool is a machine tool for cutting and machining materials by using the electric spark principle, taking a workpiece and a machining tool as two electrodes with different polarities, and making a metal wire as the tool electrode pass through the workpiece, and discharging between the two electrodes to cut and machine the materials, and the wire pressing device is an important component of the machine tool and is mainly used for positioning the movement track of the metal wire.

[0003] According to the search, the wire pressing device of the electric spark numerical control wire cutting machine tool disclosed in the disclosure (announcement) No. CN218612087U comprises an electric spark wire and an upper guide assembly, the bottom of the electric spark wire penetrates a lower guide wheel set, the lower guide wheel set is installed on the front top of a lower support plate, the front bottom of the lower support plate is rotationally connected with a lower support wheel through a rotating shaft, and the bottom end of the electric spark wire extends to the left by passing through the lower support wheel. The broken electric spark wire is clamped by fixed clamping plates and movable clamping plates, so that the wire end of the broken electric spark wire is found, and the broken electric spark wire is taken down.

[0004] However, in the actual use process, when the electric spark wire is broken at the middle section between the vertical plate and the lower support plate, the broken electric spark wire will hit the guide wheel set on the vertical plate and the lower support plate, causing damage to the surface of the guide wheel set, which needs to be improved.

[0005] In order to solve the above problems, the application provides a wire pressing device of an electric spark numerical control wire cutting machine tool. Content of the utility model

[0006] The wire pressing device of the electric spark numerical control wire cutting machine tool provided by the application adopts the following technical scheme:

[0007] The wire pressing device of the electric spark numerical control wire cutting machine tool comprises a support plate, a second support plate is arranged directly below the support plate, a plurality of guide wheels are arranged on the right sides of the support plate and the second support plate, a protection mechanism is arranged on the side where the support plate and the second support plate are close to each other, the protection mechanism comprises a fixed block, a hidden groove is arranged on the fixed block, a translation groove is arranged on the inner walls of the front and rear sides of the hidden groove, a translation block is arranged in the translation groove, a plurality of reset springs are connected between the left side of a driving block and the inner wall of the hidden groove, and a guide mechanism is arranged at the top end of the driving block.

[0008] Through the above technical scheme, the guide wheels can be protected.

[0009] Further, the right side of the dialing block is provided with a groove, and a mounting screw is arranged on the inner wall of the groove, the rear surface of the mounting screw is connected with a fixed shaft, and the outer wall of the fixed shaft is movably sleeved with a guide ring.

[0010] Through the above technical scheme, the guide ring can be replaced conveniently in the later period.

[0011] Further, two arc-shaped baffles are arranged on the dialing block, and a clamping block is arranged on each arc-shaped baffle, and a clamping groove matched with the clamping block is arranged on the part of the dialing block in contact with the arc-shaped baffle.

[0012] Through the above technical scheme, the side edge of the guide wheel can be protected.

[0013] Further, the guide mechanism comprises a U-shaped block, a rotating rod is rotatably installed on the U-shaped block, a dialing plate is fixedly installed at the top end of the rotating rod, a groove is arranged on the dialing plate, and a roller is arranged in the groove.

[0014] Through the above technical scheme, the dialing plate can avoid affecting the normal operation of the electric spark wire.

[0015] Further, an L-shaped connecting block is fixedly installed on the left side wall of the U-shaped block, and the L-shaped connecting block and the dialing plate are connected through a plurality of movable springs.

[0016] Through the above technical scheme, when the electric spark wire is broken, the dialing plate can provide protection for the guide wheel.

[0017] Further, a threaded groove is arranged on the inner wall of the dialing block, and the diameter size of the threaded groove is the same as that of the mounting screw.

[0018] Through the above technical scheme, the mounting screw can be installed on the dialing block.

[0019] Further, the top end of the dialing block is provided with a plug-in groove, and the length and width dimensions of the plug-in groove are the same as those of the U-shaped block.

[0020] Through the above technical scheme, the U-shaped block can be installed at the top end of the dialing block for use.

[0021] In summary, the present application has the following beneficial technical effects:

[0022] Through the movable spring, the dialing plate is pushed to rotate through the rotating rod, the moving direction of the electric spark wire is changed, and through the reset spring, the dialing block is pushed to move in the hidden groove on the fixed block, so that when the electric spark wire is broken from the middle section between the vertical plate and the lower support plate, the broken electric spark wire will not hit the guide wheel set on the vertical plate and the lower support plate, and the surface of the guide wheel set will not be damaged. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the application;

[0024] Figure 2 It is a schematic diagram of the protection mechanism structure of the application;

[0025] Figure 3 It is a schematic diagram of the guiding mechanism structure of the application.

[0026] Explanation of figure marks:

[0027] 1, support plate; 2, guide wheel; 3, protection mechanism; 4, fixed block; 5, hidden groove; 6, translation groove; 7, push block; 8, translation block; 9, return spring; 10, arc-shaped baffle; 11, guide ring; 12, mounting screw; 13, fixed shaft; 14, guiding mechanism; 15, U-shaped block; 16, rotating rod; 17, push plate; 18, roller; 19, L-shaped connecting block; 20, movable spring; 21, second support plate. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application; obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application, and all other embodiments obtained by those skilled in the art without creative labor on the basis of the embodiments in the application belong to the protection scope of the application.

[0029] In the description of the application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0030] In the description of the application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, or can be the internal communication of two elements. For those skilled in the art, the specific meanings of the above terms in the application can be understood according to the specific circumstances.

[0031] Embodiment:

[0032] The embodiment of the application discloses a wire pressing device of an electric spark numerical control wire cutting machine tool Figure 1 And Figure 2 , including a support plate 1, a second support plate 21 is arranged below the support plate 1, a plurality of guide wheels 2 are arranged on the right side of the support plate 1 and the second support plate 21, a protection mechanism 3 is arranged on the side, close to each other, of the support plate 1 and the second support plate 21, the protection mechanism 3 comprises a fixed block 4, a hidden groove 5 is arranged on the fixed block 4, translation grooves 6 are arranged on the inner walls of the front and rear sides of the hidden groove 5, translation blocks 8 are arranged in the translation grooves 6, a plurality of reset springs 9 are connected between the left side of the translation block 7 and the inner wall of the hidden groove 5, a guide mechanism 14 is arranged at the top end of the translation block 7, and the reset springs 9 can push the translation block 7 to move to provide protection for the guide wheels 2 when the electric spark wire is broken.

[0033] Please refer to Figure 2 A recess is arranged on the right side of the translation block 7, a mounting screw rod 12 is arranged on the inner wall of the recess, a fixed shaft 13 is connected to the back of the mounting screw rod 12, a guide ring 11 is movably sleeved on the outer wall of the fixed shaft 13, the mounting screw rod 12 can be rotated to shift the position of the fixed shaft 13 when the guide ring 11 is damaged, and the guide ring 11 can be disassembled and replaced.

[0034] Please refer to Figure 2 Two arc-shaped baffles 10 are arranged on the translation block 7, clamping blocks are arranged on the arc-shaped baffles 10, and clamping grooves matched with the clamping blocks are arranged at the positions, in contact with the arc-shaped baffles 10, of the translation block 7, so that the side edges of the guide wheels 2 can be protected.

[0035] Please refer to Figure 3 The guide mechanism 14 comprises a U-shaped block 15, a rotating rod 16 is rotatably installed on the U-shaped block 15, a pushing plate 17 is fixedly installed at the top end of the rotating rod 16, a recess is arranged on the pushing plate 17, and a roller 18 is arranged in the recess, so that the electric spark wire is prevented from being damaged due to the influence of the pushing plate 17.

[0036] Please refer to Figure 3 An L-shaped connecting block 19 is fixedly installed on the left side wall of the U-shaped block 15, the L-shaped connecting block 19 and the pushing plate 17 are connected through a plurality of movable springs 20, and the pushing plate 17 is pushed to rotate through the rotating rod 16 to change the moving direction of the electric spark wire when the electric spark wire is broken.

[0037] Please refer to Figure 2 A threaded recess is arranged on the inner wall of the translation block 7, and the diameter size of the threaded recess is the same as that of the mounting screw rod 12, so that the mounting screw rod 12 can be disassembled.

[0038] Please refer to Figure 2The top end of the poking block 7 is provided with a plug-in groove, and the length and width dimensions of the plug-in groove are the same as those of the U-shaped block 15, so that the U-shaped block 15 is conveniently installed on the poking block 7 for use.

[0039] The implementation principle of the embodiment is that when the electric spark wire is broken at the position between the support plate 1 and the second support plate 21, the activity space is provided for the poking plate 17, the poking plate 17 is pushed by the activity spring 20 to rotate through the rotating rod 16, the activity direction of the electric spark wire is changed, and the poking block 7 is pushed by the reset spring 9 to move in the hidden groove 5 on the fixed block 4, so that the protection of the guide wheel 2 is effectively improved.

[0040] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. An electrode wire pressing device of an electric spark numerical control wire cutting machine tool, comprising a support plate (1), characterized in that: The second supporting plate (21) is arranged below the supporting plate (1), the right side of the supporting plate (1) and the second supporting plate (21) is provided with a plurality of guide wheels (2), the side close to each other of the supporting plate (1) and the second supporting plate (21) is provided with a protection mechanism (3), the protection mechanism (3) comprises a fixed block (4), the fixed block (4) is provided with a hidden groove (5), the inner walls of the front and back sides of the hidden groove (5) are provided with a translation groove (6), the translation groove (6) is provided with a translation block (8), the two translation blocks (8) are connected with a driving block (7), the left side of the driving block (7) and the inner wall of the hidden groove (5) are connected with a plurality of reset springs (9), the top end of the driving block (7) is provided with a guide mechanism (14).

2. The wire pressing device of the electric spark numerical control wire cutting machine tool according to claim 1, characterized in that: The right side of the driving block (7) is provided with a groove, and the inner wall of the groove is provided with a mounting screw (12), the back of the mounting screw (12) is connected with a fixed shaft (13), and the outer wall of the fixed shaft (13) is movably sleeved with a guide ring (11).

3. The wire pressing device of the electric spark NC wire-cut machine tool according to claim 1, characterized in that: The driving block (7) is provided with two arc-shaped baffles (10), and the arc-shaped baffles (10) are provided with clamping blocks, and the part of the driving block (7) in contact with the arc-shaped baffles (10) is provided with a clamping groove matched with the clamping block.

4. The wire pressing device of the electric spark NC wire-cut machine tool according to claim 1, characterized in that: The guide mechanism (14) comprises a U-shaped block (15), the U-shaped block (15) is rotatably connected with a rotating rod (16), the top end of the rotating rod (16) is fixedly connected with a driving plate (17), the driving plate (17) is provided with a groove, and the groove is provided with a roller (18).

5. The wire pressing device of the electric spark NC wire-cut machine tool according to claim 4, characterized in that: The left side wall of the U-shaped block (15) is fixedly connected with an L-shaped connecting block (19), and the L-shaped connecting block (19) and the driving plate (17) are connected through a plurality of movable springs (20).

6. The wire pressing device of the electric spark NC wire-cut machine tool according to claim 1, characterized in that: The inner wall of the driving block (7) is provided with a threaded groove, and the diameter of the threaded groove is the same as that of the mounting screw (12).

7. The wire pressing device of the electric spark NC wire-cut machine tool according to claim 1, characterized in that: The top end of the driving block (7) is provided with a plug-in groove, and the length and width of the plug-in groove are the same as those of the U-shaped block (15).

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