Stepped drill machining pretreatment device

Abstract

The utility model discloses a stepped drill machining pretreatment device which comprises a machining table, a fixing mechanism is arranged on one side of the machining table, a pretreatment mechanism is arranged above the machining table, a limiting mechanism is arranged below the pretreatment mechanism, and an auxiliary mechanism is arranged on the machining table and the fixing mechanism. By means of the multi-axis linkage mechanism, the cutting tool and the grinding head can flexibly move in a multi-axis linkage mode, the requirements of different machining positions are met, the smoothness and size precision of the machined surface are ensured, meanwhile, an auxiliary mechanism is arranged on the machining table and the fixing mechanism, it is ensured that dust and chippings can be effectively collected into a collecting box, pollution to the working environment is reduced, and the machining efficiency is improved. The stepped drill blank can be firmly clamped through the fixing mechanism arranged on the machining table, displacement or looseness of the stepped drill blank in the machining process is prevented, the machining precision is improved, meanwhile, the limiting mechanism arranged on the pretreatment mechanism can flexibly adjust the position of a limiting plate according to the machining requirement, and the stability of a treatment seat is ensured.

Description

Technical Field

[0001] This utility model relates to the field of stepped drilling technology, and more specifically, to a stepped drilling pretreatment device. Background Technology

[0002] A step drill pretreatment device is a specialized device or system designed to improve the efficiency and machining accuracy of step drills (drills with multiple holes of different diameters arranged in a straight line to form a step-like shape). However, step drill pretreatment is not flexible enough and cannot precisely control the position of the cutting tool and grinding head, resulting in insufficient machining of different areas of the step drill, affecting the quality of subsequent machining. Furthermore, improper handling of dust and debris generated during step drill pretreatment can easily pollute the working environment, affecting the health of operators and adversely impacting the service life of the equipment. Utility Model Content

[0003] In view of the problems in the related technologies, this utility model proposes a pretreatment device for stepped drilling to overcome the above-mentioned technical problems existing in the existing related technologies.

[0004] Therefore, the specific technical solution adopted by this utility model is as follows:

[0005] A pretreatment device for stepped drilling includes a processing table, a fixing mechanism on one side of the processing table, and a pretreatment mechanism above the processing table. The pretreatment mechanism includes multiple electric guide rails 1 above the processing table, electric guide rails 2 mounted on the multiple electric guide rails 1 via moving blocks 1, and a treatment seat mounted on the electric guide rails 2 via moving blocks 2. A servo motor 2 is mounted above the treatment seat, and a mounting base is mounted on one end of the servo motor 2. A mounting groove is opened on one side of the mounting base, and a cutting tool is mounted on the inner wall of the mounting groove. A fixing rod is threadedly connected to the mounting base, and a clamping plate is connected to one end of the fixing rod via a bearing. The lower part of the clamping plate contacts the upper part of the cutting tool. A micro motor is mounted on the other side of the mounting base, and a placement cylinder is mounted on one end of the micro motor. A grinding head is threadedly connected to the inner wall of the placement cylinder. A limiting mechanism is provided below the pretreatment mechanism, and auxiliary mechanisms are provided on the processing table and the fixing mechanism.

[0006] Furthermore, in order to better fix the stepped drill blank, the fixing mechanism includes a fixing frame fixed on one side of the processing table, a servo motor is installed on the fixing frame, a three-jaw chuck is installed at one end of the servo motor, and anti-slip pads are provided at the jaws of the three-jaw chuck.

[0007] Furthermore, in order to better improve the stability of the pretreatment mechanism, the limiting mechanism includes a limiting frame fixedly installed below the mounting base, a limiting groove opened above the treatment base, the inner wall of the limiting groove being connected to one end of the limiting frame, a plurality of miniature electric telescopic rods being provided on the inner wall of the limiting groove, a limiting plate being provided at one end of the miniature electric telescopic rods, and one side of the limiting plate contacting the surface of the limiting frame.

[0008] Furthermore, in order to better assist in the cooling of the processed stepped drill blank, the auxiliary mechanism includes an auxiliary port on the processing table, an auxiliary box fixed below the processing table, the upper part of the auxiliary box being opposite to the auxiliary port, a conveying pump passing through one side of the auxiliary box, a conveying pipe connected to one end of the conveying pump, a spray head at one end of the conveying pipe, and a filter screen plate inclinedly installed on the inner wall of the auxiliary box.

[0009] Furthermore, in order to better filter and clean the cooling liquid, a cleaning plate is in contact with the top of the filter screen, and a multi-stage electric telescopic rod is installed above the cleaning plate, with one end of the multi-stage electric telescopic rod connected to one side of the inner wall of the auxiliary box.

[0010] Furthermore, in order to improve the stability of the conveying pipe during use, multiple fixing plates are provided on the surface of the conveying pipe, and one end of the multiple fixing plates is fixedly connected to the top of the fixing frame.

[0011] Furthermore, to improve the stability of the grinding head, a limiting screw is connected to the threaded cloth on the placement cylinder, with one end of the limiting screw threadedly connected to the grinding head.

[0012] Furthermore, in order to provide auxiliary protection for the cutting tool, protective pads are provided on the inner wall of the mounting slot and below the clamping plate, and the protective pads are adapted to the inner wall of the mounting slot and the bottom of the clamping plate.

[0013] Furthermore, in order to adsorb the dust generated during the stepped drilling process, an auxiliary frame is fixedly connected to one side of the fixed frame, and an adsorption hood is installed on one side of the auxiliary frame.

[0014] Furthermore, in order to collect the dust and impurities adsorbed during the stepped drilling process, an adsorption tube is inserted through one side of the adsorption hood, one end of the adsorption tube is connected to a collection box, a collection drawer is provided on one side of the collection box, and an adsorption pump is inserted through the bottom of the collection box.

[0015] The beneficial effects of this utility model are:

[0016] (1) By setting a pre-treatment mechanism on the machining table, the cutting tool and the grinding head can move flexibly in multi-axis linkage to meet the needs of different machining positions, ensuring the surface finish and dimensional accuracy of the machined surface. At the same time, the auxiliary mechanism set on the machining table and the fixed mechanism ensures that dust and debris can be effectively collected into the collection box, reducing pollution to the working environment.

[0017] (2) The fixed mechanism set on the processing table can firmly clamp the stepped drill blank, preventing it from shifting or loosening during processing, thus improving processing accuracy. At the same time, the limiting mechanism set on the pre-treatment mechanism can flexibly adjust the position of the limiting plate according to processing requirements, ensuring the stability of the processing seat and improving the pre-treatment effect. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the main structure of a step drilling pretreatment device according to an embodiment of the present utility model;

[0020] Figure 2 This is a side view of a step drilling pretreatment device according to an embodiment of the present utility model;

[0021] Figure 3 This is a schematic diagram of the fixing mechanism structure of a stepped drilling pretreatment device according to an embodiment of the present utility model;

[0022] Figure 4 This is a schematic diagram of the pretreatment mechanism of a step drilling pretreatment device according to an embodiment of the present utility model;

[0023] Figure 5 This is a schematic diagram of the limiting mechanism structure of a step drilling pretreatment device according to an embodiment of the present utility model;

[0024] Figure 6 This is a schematic diagram of the auxiliary mechanism structure of a stepped drilling pretreatment device according to an embodiment of the present utility model;

[0025] Figure 7 This is a schematic cross-sectional view of the collection box structure of a stepped drilling pretreatment device according to an embodiment of the present utility model;

[0026] Figure 8 yes Figure 4 Enlarged structural diagram at point a;

[0027] Figure 9 yes Figure 4 Enlarged structural diagram at point b.

[0028] Figure label:

[0029] 1. Machining table; 2. Fixing mechanism; 201. Fixing frame; 202. Servo motor one; 203. Three-jaw chuck; 204. Anti-slip mat; 3. Pre-treatment mechanism; 301. Electric guide rail one; 302. Electric guide rail two; 303. Processing seat; 304. Servo motor two; 305. Mounting seat; 306. Cutting tool; 307. Fixing rod; 308. Clamping plate; 309. Micro motor; 310. Placement cylinder; 311. Grinding head; 4. Limiting mechanism 401. Restriction frame; 402. Miniature electric telescopic rod; 403. Restriction plate; 5. Auxiliary mechanism; 501. Auxiliary box; 502. Delivery pump; 503. Delivery pipe; 504. Spray head; 505. Filter screen; 6. Cleaning plate; 7. Multi-stage electric telescopic rod; 8. Fixing plate; 9. Restriction screw; 10. Protective pad; 11. Auxiliary frame; 12. Adsorption hood; 13. Adsorption pipe; 14. Collection box; 15. Collection drawer; 16. Adsorption pump. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Example 1:

[0032] Please see Figures 1-9 A step drill pretreatment device includes a processing table 1, which consists of a processing table surface and four support columns, used for placing the step drill during pretreatment. A fixing mechanism 2 is provided on one side of the processing table 1. The fixing mechanism 2 includes a fixing frame 201 fixed on one side of the processing table 1. A servo motor 202 is provided on the fixing frame 201. A three-jaw chuck 203 is installed at one end of the servo motor 202. The three-jaw chuck 203 is existing technology and is not described in detail. In actual use, the three-jaw chuck 203 is adjusted using a three-jaw chuck adjustment tool. Anti-slip pads 204 are provided at the jaws of the three-jaw chuck 203 to provide auxiliary anti-slip and protection for the fixed step drill.

[0033] An auxiliary frame 11 is fixedly connected to one side of the fixed frame 201. An adsorption hood 12 is installed on one side of the auxiliary frame 11 for collecting dust and debris generated during processing. An adsorption tube 13 passes through one side of the adsorption hood 12. One end of the adsorption tube 13 is connected to a collection box 14. A collection drawer 15 is provided on one side of the collection box 14. An adsorption pump 16 passes through the bottom of the collection box 14.

[0034] A pre-processing mechanism 3 is provided above the processing table 1. The pre-processing mechanism 3 includes multiple electric guide rails 301 provided above the processing table 1. There are two electric guide rails 301. Electric guide rails 302 are provided on the multiple electric guide rails 301 via moving blocks. Processing seats 303 are installed on electric guide rails 302 via moving blocks. Servo motors 304 are provided above the processing seats 303. They are used to adjust the position of the mounting seat 305, cutting tool 306, and grinding head 311 according to the processing situation. The mounting seat 305 is installed at one end of the servo motor 304. A mounting groove is opened on one side of the mounting seat 305. A protective pad 10 is provided on the inner wall of the mounting groove and below the clamping plate 308 to reduce the damage to the cutting tool 306. The protective pad 10 is adapted to the inner wall of the mounting groove and the lower part of the clamping plate 308. The cutting tool 306 is installed on the inner wall of the mounting groove.

[0035] A fixing rod 307 is threadedly connected to the mounting base 305. One end of the fixing rod 307 is connected to a clamping plate 308 via a bearing. The lower part of the clamping plate 308 contacts the upper part of the cutting tool 306. A micro motor 309 is provided on the other side of the mounting base 305. A placement cylinder 310 is installed at one end of the micro motor 309. A grinding head 311 is threadedly connected to the inner wall of the placement cylinder 310. A limiting screw 9 is threadedly connected to the placement cylinder 310. One end of the limiting screw 9 is threadedly connected to the grinding head 311.

[0036] Example 2:

[0037] Please see Figures 1-9 A step drilling pretreatment device includes a limiting mechanism 4 below the pretreatment mechanism 3. The limiting mechanism 4 includes a limiting frame 401 fixedly installed below the mounting base 305. A limiting groove is opened above the treatment base 303. The bottom of the limiting groove is connected to one end of the limiting frame 401. The inner bottom of the limiting groove is movably or slidably connected to one end of the limiting frame 401. A plurality of miniature electric telescopic rods 402 are provided on the inner wall of the limiting groove. The miniature electric telescopic rods 402 are arranged in two relative positions. A limiting plate 403 is provided at one end of the miniature electric telescopic rod 402 for limiting the limiting frame 401 after adjustment. The limiting plate 403 is adapted to the curvature of the limiting frame 401. One side of the limiting plate 403 is in contact with the surface of the limiting frame 401.

[0038] An auxiliary mechanism 5 is provided on the processing table 1 and the fixing mechanism 2. The auxiliary mechanism 5 includes an auxiliary port opened on the processing table 1. An auxiliary box 501 is fixed below the processing table 1 for storing coolant. A discharge valve (not shown in the figure) is provided on one side of the auxiliary box 501 during actual use for discharging the coolant stored in the auxiliary box 501. The upper part of the auxiliary box 501 is opposite to the position of the auxiliary port. A delivery pump 502 passes through one side of the auxiliary box 501. One end of the delivery pump 502 is connected to a delivery pipe 503. Multiple fixing plates 8 are provided on the surface of the delivery pipe 503. There are two fixing plates 8.

[0039] One end of multiple fixed plates 8 is fixedly connected to the top of the fixed frame 201. One end of the conveying pipe 503 is provided with a spray head 504. The inner wall of the auxiliary box 501 is inclinedly provided with a filter screen plate 505. The filter screen plate 505 has a hole diameter of 0.5mm and intercepts more than 97% of metal debris. The top of the filter screen plate 505 is in contact with a cleaning plate 6. A multi-stage electric telescopic rod 7 is provided above the cleaning plate 6. One end of the multi-stage electric telescopic rod 7 is connected to one side of the inner wall of the auxiliary box 501.

[0040] The multi-stage electric telescopic pole 7, conveying pump 502, mini electric telescopic pole 402, mini motor 309, servo motor 2 304, electric guide rail 2 302, electric guide rail 1 301, adsorption pump 16, and servo motor 1 202 are electrically connected to a controller in actual use. The controller is electrically connected to a control panel. The control panel is existing technology and will not be described in detail. The controller, multi-stage electric telescopic pole 7, conveying pump 502, mini electric telescopic pole 402, mini motor 309, servo motor 2 304, electric guide rail 2 302, electric guide rail 1 301, adsorption pump 16, and servo motor 1 202 are electrically connected to an external power supply.

[0041] In summary, with the help of the above-mentioned technical solution of this utility model, the operator places the stepped drill blank between the anti-slip pads 204 of the three-jaw chuck 203, tightens the jaws by adjusting the three-jaw chuck 203, forms a three-point contact clamping, and after fixing, turns on the servo motor 202 through the control panel, so that the servo motor 202 drives the three-jaw chuck 203 to rotate, so that the workpiece obtains circumferential feed motion. At the same time, the electric guide rail 301 (X-axis) is arranged along the long side of the processing table 1, while the electric guide rail 302 (Y-axis) is arranged perpendicularly.

[0042] During the processing, the servo motor 304 drives the mounting base 305 to adjust the angle so that the cutting tool 306 forms the optimal cutting angle with the workpiece axis. At the same time, the micro motor 309 set in the mounting base 305 drives the grinding head 311 to rotate and polish the processed surface. Meanwhile, the limiting frame 401 set in the mounting base 305 rotates in the limiting groove of the processing seat 303.

[0043] During processing, two miniature electric telescopic rods 402 installed in the limiting groove push the limiting plate 403 against the surface of the limiting frame 401, which facilitates the restriction of the limiting frame 401 and helps to improve the stability during processing. Then, the delivery pump 502 delivers the coolant (water-based emulsion) in the auxiliary box 501 to the spray head 504. The filter screen plate 505 installed in the auxiliary box 501 is used to intercept metal chips. The multi-stage electric telescopic rod 7 drives the cleaning plate 6 to move for automatic chip removal every processing cycle. Then, the adsorption pipe 13 installed in the adsorption pump 16 captures the dust generated during processing in the adsorption hood 12. The collected impurities or dust are transported to the collection drawer 15 in the collection box 14.

[0044] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A pretreatment device for stepped drilling, characterized in that, The system includes a processing table (1), a fixing mechanism (2) on one side of the processing table (1), and a pre-processing mechanism (3) above the processing table (1). The pre-processing mechanism (3) includes multiple electric guide rails (301) above the processing table (1), electric guide rails (302) on the multiple electric guide rails (301) via moving blocks, and a processing seat (303) mounted on the electric guide rails (302) via moving blocks. A servo motor (304) is mounted above the processing seat (303), and a mounting base (305) is mounted on one end of the servo motor (304). A mounting groove is provided on one side of the mounting base (305). A cutting tool (306) is installed on the inner wall of the slot. A fixing rod (307) is threadedly connected to the mounting base (305). One end of the fixing rod (307) is connected to a clamping plate (308) through a bearing. The lower part of the clamping plate (308) contacts the upper part of the cutting tool (306). A micro motor (309) is provided on the other side of the mounting base (305). A placement cylinder (310) is installed on one end of the micro motor (309). A grinding head (311) is threadedly connected to the inner wall of the placement cylinder (310). A limiting mechanism (4) is provided below the pretreatment mechanism (3). An auxiliary mechanism (5) is provided on the processing table (1) and the fixing mechanism (2).

2. The pretreatment device for stepped drilling according to claim 1, characterized in that, The fixing mechanism (2) includes a fixing frame (201) fixed on one side of the processing table (1), a servo motor (202) is provided on the fixing frame (201), a three-jaw chuck (203) is installed at one end of the servo motor (202), and an anti-slip pad (204) is provided at the jaw of the three-jaw chuck (203).

3. The pretreatment device for stepped drilling according to claim 2, characterized in that, The limiting mechanism (4) includes a limiting frame (401) fixedly installed below the mounting base (305). A limiting groove is provided above the processing base (303). The inner wall of the limiting groove is connected to one end of the limiting frame (401). A plurality of miniature electric telescopic rods (402) are provided on the inner wall of the limiting groove. A limiting plate (403) is provided at one end of the miniature electric telescopic rod (402). One side of the limiting plate (403) is in contact with the surface of the limiting frame (401).

4. The pretreatment device for stepped drilling according to claim 3, characterized in that, The auxiliary mechanism (5) includes an auxiliary port on the processing table (1), an auxiliary box (501) is fixed below the processing table (1), the upper part of the auxiliary box (501) is opposite to the auxiliary port, a delivery pump (502) passes through one side of the auxiliary box (501), a delivery pipe (503) is connected to one end of the delivery pump (502), a spray head (504) is provided at one end of the delivery pipe (503), and a filter screen plate (505) is inclinedly arranged on the inner wall of the auxiliary box (501).

5. The pretreatment device for stepped drilling according to claim 4, characterized in that, The filter screen (505) is in contact with a cleaning plate (6) above it. A multi-stage electric telescopic rod (7) is provided above the cleaning plate (6). One end of the multi-stage electric telescopic rod (7) is connected to one side of the inner wall of the auxiliary box (501).

6. The pretreatment device for stepped drilling according to claim 5, characterized in that, The surface of the conveying pipe (503) is provided with a plurality of fixing plates (8), one end of the plurality of fixing plates (8) being fixedly connected to the top of the fixing frame (201).

7. The pretreatment device for stepped drilling according to claim 1, characterized in that, The placement cylinder (310) is connected to a threaded cloth with a limiting screw (9), one end of which is threadedly connected to the grinding head (311).

8. The pretreatment device for stepped drilling according to claim 1, characterized in that, A protective pad (10) is provided on the inner wall of the mounting groove and below the clamping plate (308), and the protective pad (10) is adapted to the inner wall of the mounting groove and the lower part of the clamping plate (308).

9. A pretreatment device for stepped drilling according to claim 2, characterized in that, An auxiliary frame (11) is fixedly connected to one side of the fixed frame (201), and an adsorption cover (12) is installed on one side of the auxiliary frame (11).

10. A pretreatment device for stepped drilling according to claim 9, characterized in that, An adsorption tube (13) runs through one side of the adsorption hood (12), and a collection box (14) is connected to one end of the adsorption tube (13). A collection drawer (15) is provided on one side of the collection box (14), and an adsorption pump (16) runs through the bottom of the collection box (14).

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