Drilling machine special for worm box machining

Abstract

The utility model discloses a special drilling machine for worm box processing, which comprises a rack, a processing support plate and a three-axis manipulator are arranged on the rack, a drilling machine is arranged on the three-axis manipulator, a displacement hole is arranged on the processing support plate, an overturning support plate is arranged in the displacement hole, and the overturning support plate can stably overturn in the displacement hole. According to the utility model, the worm box can be accurately positioned and fixed by virtue of the locking mechanism arranged on the worm box, so that different surfaces of the worm box can be quickly and accurately exposed to a drilling machine for processing, and compared with the traditional scheme that the position of a workpiece needs to be manually adjusted or processing equipment needs to be replaced, the processing cycle is greatly shortened, and the processing efficiency is improved. And meanwhile, the consistency of machining quality is ensured, so that the production efficiency and the product percent of pass are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing equipment technical field especially relates to a worm wheel box processing special drilling machine. BACKGROUND

[0002] In the production and manufacturing process of worm wheel box, drilling is the key step to ensure its performance and quality, however, the existing processing equipment shows obvious limitation when dealing with the diversified drilling needs of worm wheel box.

[0003] Firstly, the traditional processing mode needs to adjust the processing position and replace the tooling when processing each face of the worm wheel box, which is complex and time-consuming, reducing the production efficiency, secondly, the flexibility of the existing processing equipment is insufficient, which is difficult to adapt to the drilling needs of different positions of the worm wheel box, especially for the side and front of the worm wheel box, the traditional equipment is often difficult to realize efficient and accurate processing.

[0004] Therefore, it has practical significance to propose a special drilling machine for worm wheel box that can efficiently and accurately process. UTILITY MODEL CONTENT

[0005] The utility model aims at overcoming the above technical deficiencies, and proposes a special drilling machine for worm wheel box to solve the problems in the background art.

[0006] To achieve the above technical purpose, the technical scheme of the utility model provides a special drilling machine for worm wheel box, comprising a rack, a processing support plate and a three-axis manipulator are arranged on the rack, a drilling machine is arranged on the three-axis manipulator, a displacement hole is arranged on the processing support plate, a turnover support plate is arranged in the displacement hole, a plurality of positioning support columns are arranged on the turnover support plate, the positioning support columns are used for positioning and fixing the worm wheel box, a rotating shaft is arranged below the turnover support plate, a turnover frame is arranged below the processing support plate, the two ends of the rotating shaft are rotationally connected with the turnover frame, locking mechanisms are arranged at the two ends of the turnover support plate, a positioning support is arranged below the turnover frame, the locking mechanisms and the positioning support cooperate to fix the turnover support plate in the vertical direction, guide grooves matched with the locking mechanisms are arranged on the inner wall of the displacement hole, positioning holes are arranged in the guide grooves, the positioning holes cooperate with the locking mechanisms to fix the turnover support plate in the horizontal direction.

[0007] Further, the locking mechanism comprises a U-shaped handle and a lock rod, the overturning support plate is provided with two unlocking grooves, two ends of the U-shaped handle are arranged in the two unlocking grooves respectively, a communication hole is arranged between the two unlocking grooves, a strip-shaped through hole is arranged at the lower end of the U-shaped handle, one end of the lock rod penetrates into the unlocking groove and is kept in the strip-shaped through hole, a retaining hole matched with the end of the U-shaped handle is arranged at the bottom of the unlocking groove, a locking spring is arranged on the lock rod in the communication hole, one end of the locking spring is connected with the lock rod, and the other end is connected with the inner wall of the communication hole.

[0008] Further, the overturning frame comprises a square tube, two ends of the square tube are fixedly connected with the rack, the upper side of the square tube is in close contact with the machining support plate and is provided with a sliding groove, two limiting blocks are arranged in the sliding groove, the limiting blocks limit the rotating shaft at the end of the sliding groove, an unlocking pull rod is arranged in the square tube, an inclined sliding groove is arranged on the limiting block, a guide rod is arranged in the inclined sliding groove, one end of the unlocking pull rod is connected with the guide rod, and the other end is provided with an unlocking connecting rod, a wedge block is arranged at the upper end of the unlocking connecting rod and is located in the guide groove, when the lock rod enters the guide groove, the wedge block is matched with the lock rod to drive the limiting block to descend, a positioning block is arranged in the square tube, a reset spring is arranged on the unlocking pull rod, one end of the reset spring is connected with the unlocking pull rod, and the other end is connected with the positioning block.

[0009] Further, the guide groove comprises two groups of arc-shaped through grooves and arc-shaped half grooves which are arranged in mirror image with the middle part of the overturning frame as the center, the arc-shaped through groove on one side is coaxial with the arc-shaped half groove on the other side, and a communication groove is arranged between the arc-shaped through groove and the arc-shaped half groove.

[0010] Further, a rubber sleeve is arranged in the retaining hole, and the rubber sleeve is fixedly connected with the inner wall of the retaining hole.

[0011] Compared with the prior art, the beneficial effects of the utility model include:

[0012] 1、The utility model discloses a machining device for worm box, which comprises a rack, a machining support plate, an overturning support plate and a locking mechanism, the machining support plate is fixedly connected with the rack, the machining support plate is provided with a variable-position hole, the variable-position hole is provided with a rotating shaft, the rotating shaft is provided with a worm box, the worm box is provided with a plurality of different faces, the overturning support plate is arranged in the variable-position hole and is connected with the rotating shaft, the locking mechanism is arranged on the machining support plate and is connected with the rotating shaft.

[0013] 2. The utility model discloses a guide groove and limiting structure are set up between the turnover support and processing support board, ensure the stability and reliability of turnover support board in the turnover process, the arc design of guide groove and the rotation track of turnover support board are perfect match, make the lock rod can move in the guide groove smoothly, and accurately with the positioning hole cooperation, realize the quick locking of turnover support board. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a kind of drilling machine schematic diagram that the utility model provides a kind of worm box processing special use;

[0015] Figure 2 It is a kind of turnover support schematic diagram that the utility model provides a kind of worm box processing special use drilling machine;

[0016] Figure 3 It is the enlarged view of A in the turnover support schematic diagram that the utility model provides a kind of worm box processing special use drilling machine;

[0017] Figure 4 It is a kind of drilling machine sectional schematic diagram that the utility model provides a kind of worm box processing special use;

[0018] Figure 5 It is the bottom schematic diagram of a kind of drilling machine that the utility model provides a kind of worm box processing special use; DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following is combined with drawing and example, and the utility model is further detailedly explained.It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0020] Example 1

[0021] Referring to Figure 1 The utility model provides a kind of worm box processing special use drilling machine, it mainly includes rack 1 and the processing support board 2 of installation on it, three-axis manipulator 3 and drill rig 4, drill rig 4 is installed on three-axis manipulator 3.

[0022] Positioning hole 201 is set up on the processing support board 2 below three-axis manipulator 3, and turnover support 5 is installed in positioning hole 201, and a plurality of positioning support columns 502 are set on turnover support 5, these positioning support columns 502 can accurately position and fix worm box 7, and turnover frame 6 is installed below processing support board 2, and turnover support 5 is rotatably connected with turnover frame 6 through rotating shaft 501 below, and turnover support 5 can be turned over and positioned in positioning hole 201, so that the processing of different faces of worm box 7 is realized.

[0023] Referring to Figure 2 、 Figure 3Locking mechanisms are provided at both ends of the flip support plate 5, including a U-shaped handle 503 and a locking rod 504. The two ends of the U-shaped handle 503 are respectively set in two unlocking slots 502 on the flip support plate 5, and a strip-shaped through hole 505 is opened on it. The locking rod 504 passes through the strip-shaped through hole 505 and is held on the U-shaped handle 503. A retaining hole 506 is provided at the bottom of the unlocking slot 502 to keep the position of the U-shaped handle 503 stable in the unlocked state. A rubber sleeve 509 is provided in the retaining hole 506, and the rubber sleeve 509 is fixedly connected to the inner wall of the retaining hole 506. When the lower end of the U-shaped handle 503 is inserted into the retaining hole 506, the rubber sleeve 509 clamps it and prevents the U-shaped handle 503 from coming out when the flip support plate 5 rotates. A locking spring 508 is provided on the locking rod 504 in the connecting hole 507 so that the locking rod 504 can remain stable in the extended state and ensure the reliability of the lock.

[0024] Reference Figure 4 , Figure 5 The flipping frame 6 is mainly composed of square tube 601. The two ends of the square tube 601 are fixedly connected to the frame 1. The upper side of the square tube 601 is in close contact with the processing support plate 2 and is provided with a slide groove 602. The cross-sectional shape of the slide groove 602 matches the cross-sectional shape of the rotating shaft 501, ensuring that the rotating shaft 501 slides smoothly in the slide groove 602. The limiting block 603 in the slide groove 602 can limit the rotating shaft 501 to the end of the slide groove 602. The purpose of this setting is to make the flipping support plate 5 have obvious displacement differences when flipping in two different directions, so as to facilitate the positioning of the three-axis robot 3 and use different processing programs for different surfaces.

[0025] The limiting block 603 is provided with an inclined sliding groove, and a guide rod passes through the inclined sliding groove. The guide rod is connected to the unlocking pull rod 604. When it is necessary to unlock the flip support plate 5, simply pull the unlocking pull rod 604, which will drive the limiting block 603 to descend via the guide rod. One end of the unlocking connecting rod 607 is connected to the unlocking pull rod 604, and the other end is provided with a wedge 608. The wedge 608 is installed in a guide groove opened on the inner side wall of the displacement hole 201. When the locking rod 504 enters the guide groove, it will cooperate with the wedge 608, driving the limiting block 603 to descend, thereby realizing the unlocking operation. A positioning block 605 is fixedly installed inside the square tube 601. A return spring 606 is installed on the unlocking pull rod 604. One end of the return spring 606 is connected to the unlocking pull rod 604, and the other end is connected to the positioning block 605. When the return spring 606 pulls the unlocking pull rod 604, the limiting block 603 is reset.

[0026] The guide groove comprises two groups of arc-shaped through grooves 203 and arc-shaped half grooves 205 which are symmetrically arranged with the middle part of the turnover frame 6 as the center, the curvatures of the arc-shaped through grooves 203 and the arc-shaped half grooves 205 are matched with the rotating track of the unlocking pull rod 604 on the turnover support plate 5, the arc-shaped through grooves 203 pass through the upper and lower surfaces of the machining support plate 2, the lower end of the arc-shaped half groove 205 passes through the lower surface of the machining support plate 2, the upper end is communicated with the connecting groove 204, and the middle part of the connecting groove 204 is provided with a positioning hole 202 matched with the unlocking pull rod 604.

[0027] In order to facilitate the understanding of the utility model, the following will be combined with Figure 1 - Figure 5 The working principle of the scheme will be described in detail.

[0028] When the end surface of the worm box 7 is machined, the turnover support plate 5 is in a horizontal state, the lock rods 504 at both ends thereof are inserted into the positioning holes 202 and are kept in the positioning holes 202 under the restoring force of the locking springs 508, so that the turnover support plate 5 is fixed.

[0029] When the side edge of the worm box 7 is machined, the lock rods 504 are pulled out of the positioning holes 202 through the U-shaped handle 503, the U-shaped handle 503 is inserted into and kept in the retaining holes 506 by downward pressing the U-shaped handle 503; the turnover support plate 5 is pushed to one side, the lock rods 504 slide along the connecting grooves 204 and contact the end part of the wedge blocks 608, so that the limiting blocks 603 are lowered through the unlocking pull rod 604, the rotating shafts 501 smoothly enter the end part of the sliding grooves 602, then the lock rods 504 slide downward along the arc-shaped half grooves 205, the limiting blocks 603 are lifted under the restoring force of the return springs 606 and limit the rotating shafts 501 in the end part of the sliding grooves 602, when the turnover support plate 5 rotates to a vertical state, the lock rods 504 are clamped with the fixing mechanisms 102 arranged below the turnover frame 6, so that the turnover support plate 5 is kept in the vertical state.

[0030] The specific embodiments of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any various other corresponding changes and deformations made according to the technical concept of the utility model shall be included in the protection scope of the claims of the utility model.

Claims

1. A special drill press for processing worm box, comprising a frame, a processing support plate and a three-axis manipulator are arranged on the frame, and a drilling machine is arranged on the three-axis manipulator, characterized in that: The processing support plate is provided with a displacement hole, a turnover support plate is arranged in the displacement hole, a plurality of positioning support columns are arranged on the turnover support plate and used for positioning and fixing the worm box, a rotating shaft is arranged below the turnover support plate, a turnover frame is arranged below the processing support plate, the two ends of the rotating shaft are rotationally connected with the turnover frame, the two ends of the turnover support plate are provided with locking mechanisms, the lower portion of the turnover frame is provided with a positioning support, the locking mechanisms and the positioning support cooperate to fix the turnover support plate in the vertical direction, a guide groove matched with the locking mechanisms is arranged on the inner wall of the displacement hole, a positioning hole is arranged in the guide groove, and the positioning hole and the locking mechanisms cooperate to fix the turnover support plate in the horizontal direction.

2. The special purpose drilling machine for worm gear box machining according to claim 1, characterized in that: The locking mechanism comprises a U-shaped handle and a locking rod, unlocking grooves are arranged on the turnover support plate, the two ends of the U-shaped handle are respectively arranged in the two unlocking grooves, a communication hole is arranged between the two unlocking grooves, a strip-shaped through hole is arranged at the lower end of the U-shaped handle, one end of the locking rod penetrates into the unlocking groove and is retained in the strip-shaped through hole, a retaining hole matched with the end of the U-shaped handle is arranged at the bottom of the unlocking groove, a locking spring is arranged on the locking rod in the communication hole, one end of the locking spring is connected with the locking rod, and the other end is connected with the inner wall of the communication hole.

3. The special purpose drilling machine for worm gear box machining according to claim 2, characterized in that: The turnover frame comprises a square tube, the two ends of the square tube are fixedly connected with the rack, the upper side of the square tube is in close contact with the processing support plate and is provided with a sliding groove, two limiting blocks are arranged in the sliding groove, the limiting blocks limit the rotating shaft at the end of the sliding groove, an unlocking pull rod is arranged in the square tube, an oblique sliding groove is arranged on the limiting block, a guide rod is arranged in the oblique sliding groove, one end of the unlocking pull rod is connected with the guide rod, and the other end is provided with an unlocking connecting rod, the upper end of the unlocking connecting rod is provided with a wedge block and is located in the guide groove, when the locking rod enters the guide groove, the wedge block is matched with the locking rod to drive the limiting block to descend, a positioning block is arranged in the square tube, a return spring is arranged on the unlocking pull rod, one end of the return spring is connected with the unlocking pull rod, and the other end is connected with the positioning block.

4. The special drill press for worm box machining according to claim 2 or 3, characterized in that: The guide groove comprises two groups of arc-shaped through grooves and arc-shaped half grooves which are mirror images with the middle portion of the turnover frame as the center, the arc-shaped through groove on one side is coaxial with the arc-shaped half groove on the other side, a communication groove is arranged between the arc-shaped through groove and the arc-shaped half groove, and the positioning hole is arranged in the communication groove.

5. The special purpose machine tool according to claim 4, wherein: A rubber sleeve is arranged in the retaining hole and is fixedly connected with the inner wall of the retaining hole.

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