CN219043698U - Wire cutting device for gear processing - Google Patents

Abstract

The utility model discloses a linear cutting device for gear machining, which relates to the field of linear cutting equipment and comprises a linear cutting machine tool and an upper discharging mechanism fixedly arranged on the linear cutting machine tool, wherein the upper discharging mechanism comprises a mounting frame fixedly arranged on an indexing driving mechanism, and 2 groups of bilaterally symmetrical blank clamping mechanisms are fixedly arranged on the left side wall and the right side wall of the upper end of the mounting frame. According to the design scheme, the loading and unloading operation convenience of the gear blank is effectively improved through the design of the indexable loading and unloading mechanism, the gear blank is not required to be machined by frequently adjusting the cutting position of the gear blank in the machining process, the wire feeding, the wire withdrawing and the alignment are not required to be frequently performed in the wire cutting process, the integral machining can be completed by one-time wire feeding and wire withdrawing, the machining efficiency is effectively improved, and the machining precision is improved.

Description

Wire cutting device for gear processing

technical field

The utility model relates to the field of wire cutting equipment, in particular to a wire cutting device for gear processing.

Background technique

The wire cutting machine is mainly composed of three parts: machine tool, numerical control system and high-frequency power supply. It can cut high-strength, high-toughness, high-hardness, high-brittleness, magnetic materials, and precision small and complex-shaped parts. In the process of gear processing, wire cutting machines are usually used to cut the tooth grooves to ensure the processing accuracy and effect.

At present, in the process of using wire cutting machine tools for gear processing, it is necessary to adjust the pressing plate tooling installed on the machine tool workbench according to the gear blanks of different specifications, and then position and press the gear blanks on the machine tool workbench through the pressing plate tooling. Poor convenience and low efficiency. During the processing, due to the interference of the workbench and tooling, it is necessary to frequently adjust the cutting position of the gear blank for processing. At the same time, the wire cutting is required to feed, withdraw and align frequently, and the processing efficiency is low. .

Utility model content

In order to overcome the above-mentioned defects in the prior art, the utility model provides a wire cutting device for gear processing.

The technical scheme adopted by the utility model to solve the technical problem is: a wire cutting device for gear processing, including a wire cutting machine tool and an upper and unloading mechanism fixedly installed on the wire cutting machine tool, and the upper and unloading mechanism includes a mounting frame , the mounting frame is fixedly installed on the indexing drive mechanism, and the left and right side walls of the upper end of the mounting frame are fixedly installed with two sets of left and right symmetrical blank clamping mechanisms, which are used for clamping and positioning the gear blank. The sliding bar is movable below the holding mechanism, and the upper end surface of the two ends of the sliding bar can be lifted to install the electromagnetic tray, which is used for the support of the gear blank.

Further, the wire-cutting machine tool includes a bed, a workbench and a stand installed on the bed, a wire stand is set on the stand, and an upper and unloading mechanism is fixedly installed on the workbench.

Further, the indexing drive mechanism includes a fixing seat, the upper end of the fixing seat is fixedly installed with an end cover, and a rotatable indexing column is installed on the fixing seat and the end cover, and an indexing motor is fixedly installed in the hollow inside the fixing seat , the indexing motor is driven and installed with an indexing reducer, the power output end of the indexing reducer is fixedly connected to the indexing column through a flange shaft, and the upper end of the indexing column is fixedly installed with an installation frame.

Further, the blank clamping mechanism includes a clamping guide rail, the clamping guide rail is fixedly installed on the mounting frame, a two-way screw rod is movably installed inside the clamping guide rail, and two sets of front and rear symmetry are movably installed on the clamping guide rail and the two-way screw rod A clamping drive slider, the clamping drive motor is fixedly installed at the end of the clamping guide rail, and the power output end of the clamping drive motor is fixedly connected to the two-way screw.

Further, the blank clamping mechanism also includes a clamping arm, and the clamping arms are divided into two groups and are fixedly mounted on two sets of clamping drive sliders respectively front and rear symmetrically, and the clamping arm screw rod is movably installed in the hollow inside the clamping arm , the clamping arm slider is movably installed on the clamping arm and the clamping arm screw, the clamping arm motor is fixedly installed at the end of the clamping arm, and the power output end of the clamping arm motor is fixedly connected to the clamping arm screw .

Further, the clamping jaw mechanism is fixedly installed on the clamping arm slider, the clamping jaw mechanism includes a mounting plate, the mounting plate is fixedly mounted on the clamping arm slider, and two groups of clamps are installed symmetrically on the mounting plate Holding rollers, electromagnetic suction blocks can be installed between the two groups of said holding rollers.

Further, the lower end of the clamping arm is fixedly installed with a wheel frame, and the lower end of the wheel frame is movably installed with a support wheel, and the support wheel is against the upper end surface of the platform, and the platform is fixedly connected to the mounting frame through a connecting rod, and the platform is fixed through a bracket It is fixedly installed on the sliding seat, and the sliding seat is movably installed on the circular guide rail.

Further, a guide seat is provided on the mounting frame, and a slide bar is movably installed on the guide seat, and a rack is fixedly installed on the lower end of the slide bar. seat, the gear shaft is fixedly connected to the power output end of the drive motor, and the drive motor is fixedly installed on the guide seat.

Further, an electric lifting column is fixedly installed on the upper surface of both ends of the slider, and an electromagnetic tray is fixedly installed at the lifting end of the electric lifting column.

Further, the upper end surface of the workbench is coaxially fixed with a fixing seat and a ring guide rail, and the ring guide rail is installed on the periphery of the fixing seat.

The beneficial effect of the utility model is that the design scheme of the utility model effectively improves the convenience of loading and unloading the gear blank through the design of the indexable loading and unloading mechanism, and does not need to frequently adjust the gear blank during the processing The cutting position can be processed without frequent wire feeding, wire withdrawal and alignment, and the overall processing can be completed by one wire feeding and wire withdrawal, which effectively improves the processing efficiency and is conducive to improving the processing accuracy.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the front view of the overall structure of the utility model;

Fig. 2 is a front view of the overall structure of the loading and unloading mechanism of the utility model;

Fig. 3 is a schematic diagram of the internal installation structure of the fixing seat of the present invention;

Fig. 4 is a front view of the overall structure of the clamping arm of the present invention;

Fig. 5 is a top view of the clamping arm installation structure of the present invention;

Fig. 6 is a side view of the sliding bar installation structure of the present invention;

Fig. 7 is a top view of the overall structure of the jaw mechanism of the present invention;

Fig. 8 is a schematic diagram of the cutting path of the gear blank of the present invention.

Detailed ways

In order to illustrate the technical solution of the utility model more clearly, the utility model will be further described below in conjunction with the accompanying drawings. Obviously, the accompanying drawings described below are only an embodiment of the utility model. For those of ordinary skill in the art In other words, on the premise of not paying creative work, other embodiments obtained according to the drawings and embodiments all belong to the protection scope of the present utility model.

As shown in Figure 1, the utility model is mainly composed of a wire cutting machine tool and an upper and unloading mechanism fixedly installed on the wire cutting machine tool. The wire cutting machine tool includes a bed 37 and a worktable 38 installed on the bed 37 and a Frame 39, a wire frame 40 is set on the stand 39, an upper and unloading mechanism is fixedly installed on the workbench 38, and the workpiece is positioned, clamped and supported by the upper and unloading mechanism and processed by the wire cutting machine tool.

As shown in Figure 2, the loading and unloading mechanism includes a mounting frame 23, the mounting frame 23 is fixedly installed on the indexing drive mechanism, and the left and right side walls of the upper end of the mounting frame 23 are fixedly installed with two sets of left and right symmetrical blank clamping The mechanism is used for the clamping and positioning of the gear blank. The installation frame 23 is located at the lower position of the blank clamping mechanism and the sliding bar 24 is movable. Used for the support of gear blanks.

As shown in Figures 2 and 3, the transposition driving mechanism includes a fixed seat 1, the upper end of the fixed seat 1 is fixed with a bolt to install the end cover 2, and the fixed seat 1 is fitted with an index column 3 through a bearing, so The internal hollow of the fixed seat 1 is fixedly installed with the indexing motor 4 through the motor bracket, the indexing reducer 5 is rigidly installed on the indexing motor 4 through the reducer bracket, and the power output end of the indexing reducer 5 passes through the flange shaft 6 is fixedly connected with the indexing column 3, and the upper end of the indexing column 3 is rigidly installed with a mounting frame 23 by bolts, and driven by the indexing motor 4, the indexing column 3 is rotated, thereby driving the mounting frame 23 to index.

As shown in Fig. 2 and Fig. 5, the blank clamping mechanism includes a clamping guide rail 18, and the clamping guide rail 18 is welded and installed on the upper side wall of the mounting frame 23, and the inside of the clamping guide rail 18 is fitted with a two-way screw through a bearing. 19. The clamping guide rail 18 and the two-way screw rod 19 are equipped with two groups of front and rear symmetrical clamping drive sliders 20, and the end of the clamping guide rail 18 is rigidly mounted to clamp the drive motor 21 through the motor bracket. The clamping The power output end of the drive motor 21 is fixedly connected to the two-way screw 19. Under the drive of the clamp drive motor 21, the two-way screw 19 rotates and drives the two sets of clamp drive sliders 20 to approach and move away from each other.

As shown in Fig. 2, Fig. 4, Fig. 5 and Fig. 7, the blank clamping mechanism also includes clamping arms 14, and the clamping arms 14 are divided into two groups, front and rear, symmetrically welded and mounted on two groups of clamping drive sliders respectively. 20. The clamping arm screw 15 is installed in the hollow of the clamping arm 14 through bearings, and the clamping arm slider 16 is installed on the clamping arm 14 and the clamping arm screw 15. The end of the clamping arm 14 The clamping arm motor 17 is fixedly installed on the top, the power output end of the clamping arm motor 17 is fixedly connected to the clamping arm screw rod 15, the clamping claw mechanism is fixedly installed on the clamping arm slider 16, and two groups of clamping drive sliders 20. Drive the clamping arms 14 to move closer to each other or to move closer to each other, and then drive the clamping jaw mechanisms to move closer to each other or away from each other, so as to realize the positioning and clamping of the side wall of the gear blank 41. At the same time, the clamping arm slider 16 can move along the clamping arm 14 Realize the left and right movement adjustment, and can adjust the clamping position according to the gear blanks 41 of different sizes.

As shown in FIG. 7 , the jaw mechanism includes a mounting plate 29, which is welded and installed on the clamping arm slider 16, and two sets of clamping roller frames 30 are installed symmetrically on the mounting plate 29 by welding. The clamping roller 31 is installed on the clamping roller frame 30 through the rotating shaft and the bearing, and the electromagnetic suction block 32 is installed between the two groups of the clamping rollers 31 through the return spring 34 and the telescopic guide column 33. When clamping, First, the gear blank 41 is positioned and clamped by the clamping roller 31, and then the electromagnetic suction block 32 is energized and adsorbed on the outer wall of the gear blank 41 for positioning. 32 is de-energized and can leave the gear blank 41.

As shown in Figure 1 and Figure 2, in order to realize the longitudinal support to the clamping arm 14, the lower end of the clamping arm 14 is welded and installed with a wheel frame 13, and the lower end of the wheel frame 13 is installed with a support wheel 12 through a bearing and a rotating shaft. The support wheel 12 is in contact with the upper end surface of the platform 10 .

In order to realize the transposition support of the platform 10 following the blank clamping mechanism, the platform 10 is fixedly connected to the mounting frame 23 through the connecting rod 11, the platform 10 is fixedly installed on the sliding seat 8 through the bracket 9, and the sliding seat 8 is movably installed On the ring guide rail 7 , the upper end surface of the workbench 38 is coaxially fixed with the fixing base 1 and the ring guide rail 7 , and the ring guide rail 7 is installed on the periphery of the fixing base 1 .

As shown in Figures 2 and 6, in order to support the gear blank 41, a guide seat 22 is provided on the mounting frame 23, and a slide bar 24 is installed inside the guide seat 22, and the lower end surface of the slide bar 24 is fixed. Install the rack 25, the rack 25 meshes with the gear 26, the gear 26 is movably installed on the guide seat 22 through the gear shaft 27, the gear shaft 27 is fixedly connected to the power output end of the driving motor 28, and the driving motor 28 Fixedly installed on the guide seat 22, the upper end surfaces of the two ends of the slide bar 24 are fixedly installed with electric lifting columns 35, and the lifting ends of the electric lifting columns 35 are fixedly installed with electromagnetic trays 36.

When the utility model is being processed, the gear blank 41 is first hoisted to the blank clamping mechanism on the left side, and positioning and clamping are performed on the blank clamping mechanism, and the slide bar 24 moves to the left, so that the electromagnetic tray 36 moves to the gear The center position of the lower end surface of the billet 41 is driven by the electric lifting column 35 to lift and energized to absorb the gear billet 41 for support, and the rear mounting frame 23 is indexed under the action of the indexing drive mechanism, so that the left billet clamping mechanism and gear The blank 41 is indexed to the right side, and then it is aligned and positioned on the wire cutting machine, and the wire is fed from the position of the advance and retreat wire path 44 and the processing starts. During processing, it is cut clockwise along the wire path 42. , the electromagnetic tray 36 is powered off, the electric lifting column 35 descends, and the slide bar 24 moves in a direction away from the wire path 42 to prevent interference. The tray 36 is energized and continues to support the gear blank 41. At this time, another set of blank clamping mechanism can be loaded. The difference from the first set of blank clamping mechanism is that the position of the slide bar 24 does not move. The electromagnetic tray 36 is only driven up by the electric lifting column 35 to support the gear blank 41. When the first group of gears is processed and the wire is withdrawn, the electromagnetic tray 36 positions and supports the processed gear blank 41, and the jaw mechanism Adsorption and positioning of the cut waste 43, the installation frame 23 is indexed under the action of the indexing drive mechanism, and the processing of the second set of gear blanks 41 is started, and the unloading of the first set of gear blanks 41 is realized at the same time. During the process, the convenience of the loading and unloading operation of the gear blank is effectively improved, and the wire can be processed along the wire path 42 at one time during the processing, and there is no need to frequently adjust the cutting position of the gear blank for processing, and no wire cutting is required. Frequent wire feeding, wire withdrawal and alignment can realize the overall processing can be completed once wire feeding and wire withdrawal, which effectively improves the processing efficiency and is conducive to improving the processing accuracy.

The above embodiments are only exemplary embodiments of the present utility model, and are not intended to limit the present utility model, and the protection scope of the present utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the utility model within the spirit and protection scope of the utility model, and such modifications or equivalent replacements should also be deemed to fall within the protection scope of the utility model.

Claims (10)

1. The utility model provides a gear processing is with linear cutting device, includes wire cut electrical discharge machining bed and fixed mounting on wire cut electrical discharge machining bed go up discharge mechanism, its characterized in that: the loading and unloading mechanism comprises a mounting frame (23), the mounting frame (23) is fixedly arranged on an indexing driving mechanism, 2 groups of bilaterally symmetrical blank clamping mechanisms are fixedly arranged on the left side wall and the right side wall of the upper end of the mounting frame (23) and used for clamping and positioning gear blanks, a movable mounting slide bar (24) is arranged below the blank clamping mechanisms on the mounting frame (23), and an electromagnetic tray (36) is arranged on the upper end face of the two end parts of the slide bar (24) in a lifting mode and used for supporting the gear blanks.

2. The wire cutting device for gear machining according to claim 1, wherein the wire cutting machine tool comprises a machine body (37), a workbench (38) and a stand (39) which are mounted on the machine body (37), a wire frame (40) is arranged on the stand (39), and an upper discharging mechanism is fixedly mounted on the workbench (38).

3. The linear cutting device for gear machining according to claim 1, wherein the indexing driving mechanism comprises a fixed seat (1), an end cover (2) is fixedly arranged at the upper end of the fixed seat (1), an indexing column (3) is rotatably arranged on the fixed seat (1) and the end cover (2), an indexing motor (4) is fixedly arranged at the hollow part inside the fixed seat (1), an indexing speed reducer (5) is arranged on the indexing motor (4) in a transmission mode, the power output end of the indexing speed reducer (5) is fixedly connected with the indexing column (3) through a flange shaft (6), and a mounting frame (23) is fixedly arranged at the upper end of the indexing column (3).

4. The wire cutting device for gear machining according to claim 1, wherein the blank clamping mechanism comprises a clamping guide rail (18), the clamping guide rail (18) is fixedly mounted on a mounting frame (23), a bidirectional screw (19) is movably mounted inside the clamping guide rail (18), 2 groups of clamping driving sliding blocks (20) which are symmetrical in front and back are movably mounted on the clamping guide rail (18) and the bidirectional screw (19), a clamping driving motor (21) is fixedly mounted at the end part of the clamping guide rail (18), and a power output end of the clamping driving motor (21) is fixedly connected to the bidirectional screw (19).

5. The wire cutting device for gear machining according to any one of claims 1 and 4, wherein the blank clamping mechanism further comprises clamping arms (14), the clamping arms (14) are respectively and fixedly mounted on 2 groups of clamping driving sliding blocks (20) in a back-and-forth symmetrical mode, clamping arm screw rods (15) are movably mounted at hollow positions inside the clamping arms (14), clamping arm sliding blocks (16) are movably mounted on the clamping arms (14) and the clamping arm screw rods (15), clamping arm motors (17) are fixedly mounted at end portions of the clamping arms (14), and power output ends of the clamping arm motors (17) are fixedly connected to the clamping arm screw rods (15).

6. The wire cutting device for gear machining according to claim 5, wherein the clamping arm sliding block (16) is fixedly provided with a clamping jaw mechanism, the clamping jaw mechanism comprises a mounting plate (29), the mounting plate (29) is fixedly arranged on the clamping arm sliding block (16), 2 groups of clamping rollers (31) are symmetrically arranged on the mounting plate (29), and an electromagnetic suction block (32) is arranged between the 2 groups of clamping rollers (31) in a telescopic mode.

7. The wire cutting device for gear machining according to claim 5, wherein the clamping arm (14) is fixedly provided with a wheel frame (13) at the lower end, a supporting wheel (12) is movably arranged at the lower end of the wheel frame (13), the supporting wheel (12) is abutted against the upper end face of the platform (10), the platform (10) is fixedly connected with the mounting frame (23) through the connecting rod (11), the platform (10) is fixedly arranged on the sliding seat (8) through the bracket (9), and the sliding seat (8) is movably arranged on the annular guide rail (7).

8. The wire cutting device for gear machining according to any one of claims 1, 3, 4 and 7, wherein a guide holder (22) is arranged on the mounting frame (23), a sliding bar (24) is movably mounted on the guide holder (22), a rack (25) is fixedly mounted on the lower end surface of the sliding bar (24), the rack (25) is meshed with a gear (26), the gear (26) is movably mounted on the guide holder (22) through a gear shaft (27), the gear shaft (27) is fixedly connected to a power output end of a driving motor (28), and the driving motor (28) is fixedly mounted on the guide holder (22).

9. The wire cutting device for gear machining according to claim 8, wherein electric lifting columns (35) are fixedly mounted on upper end surfaces of two end portions of the sliding strip (24), and electromagnetic trays (36) are fixedly mounted on lifting ends of the electric lifting columns (35).

10. The wire cutting device for gear machining according to claim 2, wherein the upper end surface of the workbench (38) is coaxially and fixedly provided with the fixed seat (1) and the annular guide rail (7), and the annular guide rail (7) is arranged on the periphery of the fixed seat (1).

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