High-speed high-precision four-shaft drilling and tapping center

Abstract

The utility model discloses a high-speed high-precision four-shaft drilling and tapping center which is characterized in that a fast scrap discharging mechanism is arranged on a working table and comprises a scrap blocking cover and scrap suction pipes connected to the two sides of the scrap blocking cover, the outer ends of the scrap suction pipes are connected with a negative pressure fan, a plurality of scrap discharging grooves are formed in the top of the working table, and the scrap discharging grooves are communicated with the scrap blocking cover. The top faces, on the two sides of each chip groove, of the workbench are inclined faces inclining towards the chip grooves, the two ends of each chip groove extend to the edge of the workbench respectively, each chip groove is in an inverted-V shape, fixing parts are arranged on the two sides of the bottom of the chip blocking cover respectively, and the inner ends of the chip sucking pipes are fixed to the fixing parts respectively and correspond to the ends of the chip grooves. The two fixing parts are fixed to the two sides of the workbench respectively, the inner ends of the chip suction pipes are inserted into the ends of the corresponding chip discharging grooves, and a more applicable chip quick discharging mechanism is arranged and can be obtained through simple transformation.

Description

Technical Field

[0001] The utility model relates to a high-speed and high-precision four-axis drilling and tapping center. Background Art

[0002] The patent with the publication number of CN212600557U discloses a high-precision drilling and tapping center, which is provided with a wind guiding mechanism and a collecting mechanism on the workbench. Among them, the axial flow fan guides the air in the collecting box. Through the axial flow fan, suction can be generated at the air guiding cover. When the workpiece is processed by this drilling and tapping center, the axial flow fan is turned on, and the chips generated during processing can be sucked into the collecting box through the wind guiding mechanism, and the chips are blocked by the filter plate, so that the chips accumulate on the filter plate, thereby facilitating the user to collect the chips generated during workpiece processing, so as to solve the influence of the chips on the service life of the machine and the processing accuracy of the product;

[0003] However, it can be seen from its specification that the wind guiding mechanism and the collecting mechanism of the above structure are only applicable to fixed or double-axis drilling and tapping centers. Once applied to a three-axis or more than three-axis drilling and tapping center, there is a deficiency that the wind guiding mechanism and the collecting mechanism cannot move with the displacement of the workbench, which will lead to the failure of smooth chip removal. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the above deficiencies of the prior art, and provide a high-speed and high-precision four-axis drilling and tapping center, which is equipped with a more applicable chip quick discharge mechanism, and this chip quick discharge mechanism can be obtained through simple transformation.

[0005] The technical solution of the utility model is: a high-speed and high-precision four-axis drilling and tapping center, including a base, a spindle box arranged at the rear end of the base, a spindle connected to the bottom of the spindle box, and a workbench arranged at the front end of the base, wherein a chip quick discharge mechanism is arranged on the workbench;

[0006] The chip quick discharge mechanism includes a chip baffle cover and chip suction pipes connected to both sides of the chip baffle cover, and the outer ends of the chip suction pipes are connected to a negative pressure fan;

[0007] A plurality of chip discharge grooves are arranged on the top of the workbench, and the top surfaces of the workbench on both sides of each chip discharge groove are inclined planes inclined towards the chip discharge groove. The two ends of each chip discharge groove respectively extend to the edge of the workbench, and each chip discharge groove is in an inverted "V" shape;

[0008] Both sides of the bottom of the chip baffle cover are respectively provided with fixing parts, the inner ends of the chip suction pipes are respectively fixed on the fixing parts and are arranged corresponding to the ends of the chip discharge grooves, the two fixing parts are respectively fixed on both sides of the workbench, and the inner ends of the chip suction pipes are inserted into the corresponding ends of the chip discharge grooves;

[0009] A sealing strip is also fixed to the bottom of the chip baffle, and the sealing strip abuts against the edge of the workbench. An annular boss is further provided on the inner circumference of the chip baffle, and the top surface of the boss is an inclined surface.

[0010] Specifically, the chip suction pipe is a metal bellows.

[0011] Furthermore, a filter cover and a chip collection box are also provided on the air outlet of the negative pressure fan.

[0012] Furthermore, an X-axis guide rail, a Y-axis guide rail and a Z-axis guide rail are provided on the base. The X-axis guide rail is movably connected to the base in the front-back direction. The Y-axis guide rail is movably connected to the X-axis guide rail in the left-right direction. The Z-axis guide rail is movably connected between the Y-axis guide rail and the saddle in the up-down direction.

[0013] Furthermore, the workbench is fixed to the top of the saddle.

[0014] Furthermore, a column is provided at the rear end of the base, and the spindle box is movably connected to the column in the up-down direction.

[0015] Furthermore, telescopic covers are respectively provided on the X-axis guide rail, the Y-axis guide rail and the Z-axis guide rail.

[0016] Furthermore, it further includes a housing, and the housing is fixed above the base and encloses the spindle box and the workbench.

[0017] Furthermore, observation windows are provided on both sides of the housing.

[0018] Furthermore, a wire protection net is also provided on the observation window.

[0019] The beneficial effects of the present utility model are as follows: The structure of the present utility model is simple, and it can clean the chips on the top surface of the workbench in real time, thereby improving the service life of the machine, ensuring the machining accuracy of the product, and facilitating the transformation of the existing high-speed and high-precision four-axis drilling and tapping center; By simply transforming the existing workbench structure and cooperating with the chip baffle, the chip suction pipe and the negative pressure fan, the chips generated during the machining process can be quickly and thoroughly sucked out, and the chip discharge groove can still be used as a groove for fixing the fixing parts without affecting the normal function of the workbench. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of the side of the present utility model;

[0021] Figure 2 is a schematic structural diagram of the front of the present utility model;

[0022] Figure 3 is Figure 1 an enlarged view of part A in

[0023] Figure 4It is the top view of the workbench in the present utility model.

[0024] In the figure: base 1, workbench 2, chip baffle 3, chip suction pipe 4, chip discharge groove 5, fixing part 6, sealing strip 7, boss 8, saddle 9, column 10, X-axis guide rail 11, Y-axis guide rail 12, Z-axis guide rail 13. Specific embodiments

[0025] The technical solution of the present utility model will be further specifically described below through embodiments in conjunction with the accompanying drawings.

[0026] Combined with Figures 1-4 As shown, a high-speed and high-precision four-axis drilling and tapping center includes a base 1, a spindle box arranged at the rear end of the base 1, a spindle connected to the bottom of the spindle box, and a workbench 2 arranged at the front end of the base 1. A chip quick discharge mechanism is provided on the workbench 2;

[0027] The chip quick discharge mechanism includes a chip baffle 3 and chip suction pipes 4 connected to both sides of the chip baffle 3. The outer ends of the chip suction pipes 4 are connected to a negative pressure fan;

[0028] A plurality of chip discharge grooves 5 are provided on the top of the workbench 2. The top surfaces of the workbench 2 on both sides of each chip discharge groove 5 are inclined surfaces that slope towards the chip discharge groove 5. Both ends of each chip discharge groove 5 extend to the edge of the workbench 2. Each chip discharge groove 5 is in an inverted "V" shape. When the drilling and tapping center is working, the chips generated fall on the top surface of the workbench 2 and fall into the corresponding chip discharge grooves 5 along the inclined surfaces, and slide towards both ends of the chip discharge grooves 5 along the chip discharge grooves 5;

[0029] Fixing parts 6 are respectively provided on both sides of the bottom of the chip baffle 3. The inner ends of the chip suction pipes 4 are respectively fixed on the fixing parts 6 and are arranged corresponding to the ends of the chip discharge grooves 5. The two fixing parts 6 are respectively fixed on both sides of the workbench 2. The inner ends of the chip suction pipes 4 are inserted into the corresponding ends of the chip discharge grooves 5. When the negative pressure fan works, the chips discharged from the chip discharge grooves 5 can be sucked out by the chip suction pipes 4;

[0030] A sealing strip 7 is also fixed at the bottom of the chip baffle 3. The sealing strip 7 abuts against the edge of the workbench 2 to prevent chips from leaking out from the joint between the chip baffle 3 and the workbench 2. A circle of bosses 8 is also provided on the inner circumference of the chip baffle 3. The top surface of the bosses 8 is an inclined surface to guide the splashed chips back to the top surface of the workbench 2.

[0031] The above structure is simple in construction, can clean the debris on the top surface of the workbench 2 in real time, thereby improving the service life of the machine, ensuring the processing accuracy of the product, and facilitating the transformation of the existing high-speed and high-precision four-axis drilling and tapping center; by simply modifying the structure of the existing workbench 2 and cooperating with the chip guard 3, the chip suction pipe 4 and the negative pressure fan, the debris generated during the processing can be quickly and thoroughly sucked out, and the chip discharge groove 5 can still be used as a groove for fixing the fixing parts without affecting the normal function of the workbench 2.

[0032] In another embodiment, the chip suction pipe 4 is a metal bellows pipe, which can be bent to a certain extent and will not cause internal blockage, and can move synchronously with the workbench 2 and suck out the debris smoothly.

[0033] In another embodiment, a filter cover and a chip collection box are further provided on the air outlet of the negative pressure fan to facilitate the collection of the sucked debris.

[0034] In another embodiment, in combination Figure 1 and Figure 2 As shown, an X-axis guide rail 11, a Y-axis guide rail 12 and a Z-axis guide rail 13 are provided on the base 1. The X-axis guide rail 11 is movably connected to the base 1 in the front-back direction, the Y-axis guide rail 12 is movably connected to the X-axis guide rail 11 in the left-right direction, and the Z-axis guide rail 13 is movably connected between the Y-axis guide rail 12 and the saddle 9 in the up-down direction.

[0035] In another embodiment, in combination Figure 1 and Figure 2 As shown, the workbench 2 is fixed to the top of the saddle 9.

[0036] In another embodiment, in combination Figure 1 and Figure 2 As shown, a column 10 is provided at the rear end of the base 1, and the spindle box is movably connected to the column 10 in the up-down direction.

[0037] In another embodiment, telescopic covers are further provided on the X-axis guide rail 11, the Y-axis guide rail 12 and the Z-axis guide rail 13 respectively.

[0038] In another embodiment, it further includes a housing, and the housing is fixed above the base 1 and encloses the spindle box and the workbench 2 therein.

[0039] In another embodiment, observation windows are further provided on both sides of the housing.

[0040] In another embodiment, a wire protection net is further provided on the observation window.

Claims

1. A high-speed and high-precision four-axis drilling and tapping center, comprising a base (1), a spindle box arranged at the rear end of the base (1), a spindle connected to the bottom of the spindle box, and a workbench (2) arranged at the front end of the base (1), wherein: The workbench (2) is provided with a debris quick discharge mechanism; The debris quick discharge mechanism comprises a chip guard cover (3) and a chip suction pipe (4) connected to both sides of the chip guard cover (3), and the outer end of the chip suction pipe (4) is connected to a negative pressure fan; The top of the workbench (2) is provided with a plurality of chip removal grooves (5), the top surfaces of the workbench (2) on both sides of each chip removal groove (5) are inclined surfaces inclined in the direction of the chip removal groove (5), the two ends of each chip removal groove (5) respectively extend to the edge of the workbench (2), and each chip removal groove (5) is in an inverted "V" shape; The bottom sides of the chip guard (3) are respectively provided with fixing parts (6), the inner ends of the chip suction pipes (4) are respectively fixed on the fixing parts (6) and arranged corresponding to the ends of the chip removal grooves (5), the two fixing parts (6) are respectively fixed on the two sides of the workbench (2), and the inner ends of the chip suction pipes (4) are inserted into the ends of the corresponding chip removal grooves (5); A sealing strip (7) is also fixed to the bottom of the chip guard (3), and the sealing strip (7) abuts against the edge of the workbench (2). The inner periphery of the chip guard (3) also has a circle of bosses (8), and the top surface of the bosses (8) is an inclined surface.

2. A high-speed and high-precision four-axis drilling and tapping center as claimed in claim 1, characterized in that: The chip suction pipe (4) is a metal bellows.

3. A high-speed and high-precision four-axis drilling and tapping center as claimed in claim 2, characterized in that: A filter cover and a chip collecting box are also provided on the air outlet of the negative pressure fan.

4. A high-speed and high-precision four-axis drilling and tapping center as claimed in claim 3, characterized in that: The base (1) is provided with an X-axis guide rail (11), a Y-axis guide rail (12) and a Z-axis guide rail (13); the X-axis guide rail (11) is connected to the base (1) for forward and backward movement, the Y-axis guide rail (12) is connected to the X-axis guide rail (11) for left and right movement, and the Z-axis guide rail (13) is connected between the Y-axis guide rail (12) and the saddle (9) for upward and downward movement.

5. A high-speed and high-precision four-axis drilling and tapping center as claimed in claim 4, characterized in that: The workbench (2) is fixed on the top of the saddle (9).

6. A high-speed and high-precision four-axis drilling and tapping center as claimed in claim 5, characterized in that: A column (10) is provided at the rear end of the base (1), and the spindle box is connected to the column (10) so as to move up and down.

7. A high-speed and high-precision four-axis drilling and tapping center as claimed in claim 6, characterized in that: The X-axis guide rail (11), the Y-axis guide rail (12) and the Z-axis guide rail (13) are also respectively provided with telescopic shields.

8. A high-speed and high-precision four-axis drilling and tapping center as claimed in claim 7, characterized in that: It also comprises a shell, which is fixed above the base (1) and covers the spindle box and the workbench (2).

9. A high-speed and high-precision four-axis drilling and tapping center as claimed in claim 8, characterized in that: Observation windows are also provided on both sides of the shell.

10. A high-speed and high-precision four-axis drilling and tapping center as claimed in claim 9, characterized in that: A steel wire protection net is also provided on the observation window.

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