Reversing device for medium-speed wire feeding machine

Abstract

The utility model provides a reversing device for a medium-speed wire feeding machine, which belongs to the field of wire feeding machine tool equipment and comprises two supports which are arranged on a machine body of the medium-speed wire feeding machine in bilateral symmetry, and guide rods are fixedly connected to the upper side and the lower side between the two supports respectively. A driven frame and a driving frame are respectively arranged on the left and right sides of the outer sides of the two guide rods; and the reversing adjusting assembly comprises a moving plate fixedly connected to the bottom of the front side of the driving frame, and the front lower side of the driven frame is fixedly connected with a protruding block. According to the utility model, through the arranged reversing adjusting assembly, when a molybdenum wire area needs to be subjected to equal-length switching, only the position of the driving frame on the guide rod needs to be adjusted, the operation steps and the operation amount are reduced, meanwhile, when the driving frame is locked, the two sides of the driving frame are firstly limited through the damping ring, and then the driving frame is locked through the locking rod, so that the operation is convenient. The operation process is high in positioning precision and relatively low in operation complexity.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wire-cut machine tool equipment technology, concretely is a kind of reversing device for middle wire-cut machine. BACKGROUND

[0002] Middle wire-cut machine tool belongs to reciprocating high-speed wire-cut electric discharge wire-cutting machine tool category, is to realize multiple cutting function on high-speed reciprocating wire-cut electric discharge wire-cutting machine tool, is called "middle wire-cut", middle wire-cut is a kind of wire-cut electric discharge machine tool, working principle is to use continuous moving molybdenum wire, i.e. electrode wire as electrode, can carry out pulse spark discharge etching, cutting metal forming to workpiece, its wire-cutting speed and workpiece quality are between fast wire-cut and slow wire-cut so called middle wire-cut.

[0003] The existing middle wire-cut machine needs to wind molybdenum wire on roller, when winding, the position of molybdenum wire on roller needs to be limited, when winding to edge position, through the cooperation of proximity switch and travel switch, the reversing of motor output end connected with roller is switched, so that molybdenum wire does not exceed the set area range, when controlling the position of travel switch, the existing reversing adjusting structure is difficult to realize quick fixed-length position switching, in the process of fixed-length position switching, the bracket of both sides needs to be moved simultaneously, repeatedly lock and release lock rod in the process, operation is complex, and positioning accuracy is also not high.Therefore we propose a kind of reversing device for middle wire-cut machine to solve the problems encountered above. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model provides a kind of reversing device for middle wire-cut machine to solve the problems raised in the above background art.

[0005] The purpose of the utility model can be realized by the following technical solutions: including support, the support has two, it is symmetrically set on middle wire-cut machine body left and right, and the upper and lower sides between two supports are respectively fixedly connected with guide rod, the outer side left and right sides of two guide rods are respectively provided with driven frame and driving frame;

[0006] The reversing adjusting assembly comprises a moving plate fixedly connected to the front bottom of the driving frame, a protrusion fixedly connected to the front lower side of the driven frame, the moving plate being slidingly connected in the protrusion, a vice locking rod threadedly connected to the front side of the protrusion, one end of the vice locking rod abutting against one side of the moving plate, a short rod fixedly connected to the front upper side of the driving frame, a hand pulling frame arranged on the outer side of the short rod, a spring arranged on the front side of the hand pulling frame and located on the outer side of the short rod, a baffle threadedly connected to the front end of the outer side of the short rod, the two ends of the spring abutting against the adjacent sides of the baffle and the hand pulling frame respectively, vertical plates fixedly connected to the left and right sides of the rear end of the hand pulling frame, a sliding block fixedly connected to one side of the vertical plate, clamping grooves arranged on the upper and lower sides of one side of the vertical plate, and a damping ring fixedly connected to the outer side of one side of the clamping groove.

[0007] Preferably, fixed holes are arranged on the upper and lower sides of the driven frame and the driving frame respectively, and guide sliding sleeves are fixedly connected in the fixed holes and slidingly connected to the outer sides of the adjacent guide rods.

[0008] Preferably, positioning protrusions are fixedly connected to the front lower side of the driving frame and symmetrically distributed on the upper and lower sides.

[0009] Preferably, a recess is arranged at the middle of the front side of the hand pulling frame, and friction grooves are arranged on the left and right sides of the hand pulling frame.

[0010] Compared with the prior art, the utility model has the advantages of:

[0011] When it is needed to switch the molybdenum wire area in equal length, the position of the driving frame on the guide rod only needs to be adjusted, the operation steps and operation amount are reduced, and when the driving frame is locked, the damping ring is used to first limit the driving frame on both sides, and then the locking rod is used to lock the driving frame, so that the positioning precision is high and the operation complexity is relatively low. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in combination with the drawings.

[0013] Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 is Figure 1 is an enlarged schematic diagram of part A shown in the figure;

[0015] Figure 3 is Figure 1 is an enlarged schematic diagram of part B shown in the figure.

[0016] In the figure: 1, support; 2, guide rod; 3, driven frame; 4, driving frame; 5, moving plate; 6, protruding block; 7, auxiliary locking rod; 8, short rod; 9, hand-pulled frame; 10, spring; 11, baffle; 12, vertical plate; 13, sliding block; 14, clamping groove; 15, damping ring; 16, positioning protrusion. DETAILED DESCRIPTION

[0017] The technical solutions of the utility model will be described clearly and completely in combination with the embodiments below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0018] Please refer to Figures 1-3 As shown in the figure, a reversing device for a medium-speed wire drawing machine, comprising a support 1, the support 1 has two, which are symmetrically arranged on the medium-speed wire drawing machine body, the upper and lower sides between the two supports 1 are fixedly connected with guide rods 2 respectively, the outer sides of the two guide rods 2 are provided with driven frames 3 and driving frames 4 respectively on the left and right sides, the guide rods 2 are used for guiding the driven frames 3 and the driving frames 4 respectively, the rear sides of the driven frames 3 and the driving frames 4 are provided with travel switches, which are used for reminding and limiting the winding interval of the molybdenum wire on the roller, facilitating the motor reversing;

[0019] The reversing adjusting assembly comprises a moving plate 5 fixedly connected to the bottom of the front side of the driving frame 4, a protruding block 6 fixedly connected to the lower front side of the driven frame 3, the moving plate 5 being slidingly connected in the protruding block 6, the front side of the protruding block 6 being threadedly connected with an auxiliary locking rod 7, one end of the auxiliary locking rod 7 abutting against one side of the moving plate 5, the reversing adjusting assembly further comprising a short rod 8 fixedly connected to the upper front side of the driving frame 4, the outer side of the short rod 8 being provided with a hand-pulled frame 9, the front side of the hand-pulled frame 9 and located outside the short rod 8 being provided with a spring 10, the front end of the short rod 8 being threadedly connected with a baffle 11, the two ends of the spring 10 abutting against the adjacent sides of the baffle 11 and the hand-pulled frame 9 respectively, the left and right sides of the rear end of the hand-pulled frame 9 being fixedly connected with vertical plates 12, one side of the vertical plate 12 being fixedly connected with a sliding block 13, the upper and lower sides of one side of the vertical plate 12 being provided with clamping grooves 14, one side of the outer side of the clamping groove 14 being fixedly connected with a damping ring 15.

[0020] It should be noted that the moving plate 5 is used to facilitate the movement of the driven frame 3 by the driving frame 4, the protrusion 6 is used to limit the moving plate 5, the auxiliary locking rod 7 is used to connect the driven frame 3 and the moving plate 5 as a whole, the short rod 8 is used to fix and support the baffle 11 and the spring 10, the spring 10 can ensure that it is always pressed to the side close to the driving frame 4, the baffle 11 is used to limit the spring 10, the hand pull frame 9 can facilitate the simultaneous pulling of the two vertical plates 12 to move, thereby reducing the operation steps, the sliding block 13 is used to limit and guide the vertical plate 12, the clamping groove 14 is used to facilitate the vertical plate 12 to be inserted outside the guide rod 2, and the damping ring 15 is used to increase the contact friction with the guide rod 2, thereby reducing the left and right deviation of the driving frame 4 after being fixed, and the reversing adjusting assembly is arranged, so that when it is necessary to switch the molybdenum wire area by equal length, only the position of the driving frame 4 on the guide rod 2 needs to be adjusted, the operation steps and the operation amount are reduced, and when the driving frame 4 is locked, the damping ring 15 is first used to limit the two sides of the driving frame 4, and then the locking rod is used to lock the driving frame 4, so that the positioning accuracy is high and the operation complexity is relatively low.

[0021] The fixed holes are formed in the upper and lower sides of the driven frame 3 and the driving frame 4, the guide sliding sleeve is fixedly connected in the fixed hole, the guide sliding sleeve is slidably connected outside the adjacent guide rod 2, and the guide sliding sleeve is used to reduce sliding damping and improve operation fluency.

[0022] The front lower side of the driving frame 4 is fixedly connected with the positioning protrusions 16 which are symmetrically distributed on the upper and lower sides, and the positioning protrusions 16 are used to position the position of the moving plate 5, so that assembly is facilitated.

[0023] The recess is arranged at the middle of the front side of the hand pull frame 9, and the friction grooves are formed in the left and right sides of the hand pull frame 9, so that the thumbs of the operator can be buckled in the friction grooves, and the friction when the hand pull frame 9 is pulled is improved.

[0024] When the position of the molybdenum wire area needs to be switched by equal length, the driven frame 3 is connected and locked to the moving plate 5 by rotating the auxiliary locking rod 7, then the locking of the driving frame 4 is released, the operator buckles the left and right sides of the hand pull frame 9 with two fingers, pulls outward, separates the damping ring 15 from the guide rod 2, and compresses the spring 10 at the same time, then exerts force left and right, pushes the driving frame 4 to move to the appropriate position outside the guide rod 2, releases the hand, resets the hand pull frame 9 under the action of the spring 10, aligns the clamping groove 14 outside the guide rod 2, makes the damping ring 15 contact the guide rod 2 again, and then rotates the locking rod on the driving frame 4 to lock the position of the driving frame 4 again.

[0025] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A commutating device for a medium speed wire EDM machine, characterized by, Include: Support (1), the support (1) has two, which are arranged on the middle wire machine body, two support (1) between the upper and lower sides are respectively fixedly connected with guide rod (2), the outer side of two guide rods (2) left and right sides are respectively provided with driven frame (3) and driving frame (4); Reversing adjusting assembly, the reversing adjusting assembly includes a moving plate (5) fixedly connected to the front bottom of the driving frame (4), the front lower side of the driven frame (3) is fixedly connected with a protruding block (6), the moving plate (5) is slidably connected in the protruding block (6), the front side of the protruding block (6) is threadedly connected with a secondary lock rod (7), one end of the secondary lock rod (7) abuts with one side of the moving plate (5), the reversing adjusting assembly further includes a short rod (8) fixedly connected to the front upper side of the driving frame (4), the outer side of the short rod (8) is provided with a hand pull frame (9), the front side of the hand pull frame (9) and the outer side of the short rod (8) are provided with a spring (10), the front end of the short rod (8) is threadedly connected with a baffle (11), the two ends of the spring (10) abut with the adjacent side of the baffle (11) and the hand pull frame (9), the left and right sides of the rear end of the hand pull frame (9) are fixedly connected with a vertical plate (12), one side of the vertical plate (12) is fixedly connected with a sliding block (13), the upper and lower sides of one side of the vertical plate (12) are provided with a clamping groove (14), one side of the clamping groove (14) is fixedly connected with a damping ring (15).

2. A commutating device for a medium-speed wire EDM machine as defined in claim 1, wherein The driven frame (3) and the driving frame (4) are respectively provided with fixing holes on the upper and lower sides, the fixing holes are fixedly connected with guide sleeves, and the guide sleeves are slidably connected on the outer sides of the adjacent guide rods (2).

3. A commutating device for a medium speed wire EDM machine as defined in claim 2 wherein, The front lower side of the driving frame (4) is fixedly connected with a positioning protrusion (16), and the positioning protrusion (16) is symmetrically distributed on the upper and lower sides.

4. A commutating device for a medium-speed wire EDM machine as defined in claim 3, wherein, The front side of the hand pull frame (9) is provided with a recess, and the left and right sides of the hand pull frame (9) are respectively provided with friction grooves.

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