CN213379355U

CN213379355U - Small electric rotary table for drilling machine

Info

Publication number: CN213379355U
Application number: CN202022079013.6U
Authority: CN
Inventors: 朱立无
Original assignee: Dongguan Sharpe Cnc Equipment Co ltd
Current assignee: Dongguan Sharpe Cnc Equipment Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-06-08
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a small-sized electric turntable for a drilling machine, which comprises a workbench component, a guide mechanism and a power head component; the workbench component comprises a base, a first servo motor, a cam divider, a turntable, a jig, a waterproof cover, a trigger part and a limit switch; the first servo motor and the cam divider are both fixed on the base; a driving belt wheel is sleeved on an output shaft of the first servo motor; a driven belt wheel is sleeved on the input shaft of the cam divider; the driving belt wheel and the driven belt wheel are driven by a synchronous belt; the rotary disc is fixed on an output shaft of the cam divider; the at least two jigs are uniformly arranged on the turntable along the circumferential direction of the turntable; the waterproof cover is cylindrical, and the upper end edge of the waterproof cover is connected with the whole circumference of the peripheral side end edge of the rotary disc and used for covering the first servo motor and the cam divider. The utility model discloses simple structure, security are high, advantages such as machining efficiency height.

Description

Small electric rotary table for drilling machine

Technical Field

The utility model belongs to the technical field of the drilling machine technique and specifically relates to a small-size electronic revolving stage for drilling machine.

Background

The drilling machine is a drilling machine which mainly uses a drill bit to process holes on a workpiece. The bit is typically driven into primary motion by a spindle, with the bit moving axially into a feed motion. The drilling machine is simple in structure, relatively low in machining precision and capable of drilling through holes and blind holes or performing machining such as reaming, spot facing, reaming or tapping after a special cutter is replaced. The existing small drilling machine has a simple structure, and workpieces are fed in a rotating way by a cutter on a single workpiece fixture without moving; when the small-sized drilling machine works, the drilling work of descending the drill bit and the manual loading and unloading work of an operator need to be carried out alternately, the working mode has the defects of low working efficiency and the risk that the operator is easily injured by the drill bit,

thus, the prior art is subject to improvement and advancement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the problem among the above-mentioned prior art, provide a small-size electronic revolving stage for drilling machine, the efficiency and the security that other mechanisms of purpose cooperation small-size drilling machine can improve the drilling operation.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

a compact power-operated turntable for a drill press, comprising: the workbench assembly comprises a base, a first servo motor, a cam divider, a turntable, a jig, a waterproof cover, a trigger piece and a limit switch; the first servo motor and the cam divider are both fixed on the base; a driving belt wheel is sleeved on an output shaft of the first servo motor; a driven belt wheel is sleeved on the input shaft of the cam divider; the driving belt wheel and the driven belt wheel are driven by a synchronous belt; the rotary disc is fixed on an output shaft of the cam divider; the at least two jigs are uniformly arranged on the turntable along the circumferential direction of the turntable; the waterproof cover is cylindrical, and the upper end edge of the waterproof cover is connected with the whole circumference of the peripheral side end edge of the turntable and used for covering the first servo motor and the cam divider; the trigger piece is arranged at the bottom of the turntable; the limit switch is fixed on the base in a height adjustable mode and is movably matched with the trigger piece; the guide assembly comprises a fixing plate, a guide pillar and a guide sleeve; the fixed plate is arranged on the base; the two guide posts are vertically fixed on the fixed plate and positioned on two sides of the turntable; each guide post is provided with one guide sleeve in a sliding way; the power head assembly comprises a sliding seat, a mounting piece and a main shaft; two ends of the sliding seat are respectively fixedly connected with one guide sleeve; the mounting piece is mounted on the sliding seat; the main shafts are fixed on the mounting piece and located above the rear portion of the rotary table.

As a further elaboration of the above technical solution:

in the above technical solution, the device further comprises a limiting plate; two ends of the limiting plate are respectively fixed on the two guide pillars; and the limiting plate is provided with a position avoiding hole for the cutter on the main shaft to pass through.

In the technical scheme, a circular boss is arranged at the upper part of the rotary disc; a fixing part extends inwards from the upper end edge of the waterproof cover in the horizontal direction; the fixing part is annular and is superposed on the upper end face of the rotary disc and then is in threaded connection with the rotary disc; the inner wall surface of the fixing part is closely matched with the side wall surface of the circular boss all around.

In the technical scheme, the number of the jigs is two; each fixture comprises a first cylinder at the bottom, a second cylinder in the middle and a third cylinder at the top; the first cylinder is fixed on the circular boss; the diameter of the first cylinder is equal to the radius of the circular boss; the diameter of the second cylinder is smaller than the diameter of the first cylinder; the diameter of the third cylinder is larger than that of the second cylinder and smaller than that of the first cylinder; the top of the third cylinder is rounded all around.

In the above technical solution, a cylindrical connecting portion is formed at an upper portion of the mounting member; the top end of the connecting part is formed with a circumferential positioning shaft shoulder.

In the technical scheme, the top of the trigger button of the limit switch is provided with a cambered surface; two inclined wedge surfaces matched with the cambered surface are oppositely formed on two side walls of the lower part of the trigger piece.

In the technical scheme, the device also comprises a limit switch fixing block; the limit switch fixing block comprises a horizontal part; one end of the horizontal part, which is far away from the cam divider, is bent upwards to form a first vertical part; the limit switch is fixed on the first vertical part; one end of the horizontal part, which is close to the cam divider, is bent downwards to form a second vertical part, and the side wall of the second vertical part is abutted against the side wall of the base; a strip-shaped notch is formed in the second vertical part; and a first threaded hole matched with the notch is formed in the base.

In the technical scheme, the cam divider further comprises a bearing seat, the bearing seat is mounted at the top of the shell of the cam divider, and a plane bearing matched with the lower end face of the rotary disc is arranged on the bearing seat.

In the technical scheme, a sealing ring is sleeved on the side wall of the bearing seat; the upper end face of the sealing ring is matched with the whole circumference of the rotary disc.

In the technical scheme, the bottom ends of the two guide pillars are respectively fixed on two ends of the fixed plate through flanges; a second threaded hole is formed in the fixing plate; and a long hole matched with the second threaded hole is formed in the base.

The beneficial effects of the utility model reside in that:

1. the utility model discloses a set up the main shaft in the rear portion top of carousel, and the during operation operator stands in the place ahead of carousel, by two at least tools of carousel rotary drive make a round trip to rotate between main shaft and operator in turn, consequently not only can carry out the drilling operation simultaneously and go up the unloading operation and improve the utility model discloses a work efficiency still makes the operator can keep away from the main shaft, has reduced the risk that the operator was accidentally injured by the main shaft.

2. The utility model discloses a set up the stroke precision when direction subassembly has improved the main shaft and has reciprocated.

3. The utility model discloses a set up a plurality of main shafts simultaneously on the installed part, and then can accomplish the drilling operation of a plurality of hole sites in step, further improve the utility model discloses a production efficiency.

4. The utility model discloses a set up the buckler and can prevent the operation in-process, the coolant liquid damages first servo motor and cam wheel splitter, has improved the utility model discloses a life and reliability.

5. The utility model discloses a set up trigger piece and limit switch, can control the rotation of carousel accurately, improve the utility model discloses a machining precision.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded view of the table assembly of the present invention.

The reference numbers in the figures are respectively: 1. a table assembly; 2. a guide assembly; 3. a power head assembly; 4. a base; 5. a first servo motor; 6. a cam divider; 7. a turntable; 8. a jig; 9. a waterproof cover; 10. a trigger; 11. a limit switch; 12. A driving pulley; 13. a driven pulley; 14. a fixing plate; 15. a guide post; 16. a guide sleeve; 17. a slide base; 18. a mounting member; 19. A main shaft; 20. a limiting plate; 21. avoiding holes; 22. a circular boss; 23. a fixed part; 24. a first cylinder; 25. a second cylinder; 26. a third cylinder; 27. a connecting portion; 28. positioning the shaft shoulder; 29. a cambered surface; 30. a tapered wedge surface; 31. a limit switch fixing block; 32. a horizontal portion; 33. a first vertical portion; 34. a second vertical portion; 35. a notch; 36. a first threaded hole; 37. a bearing seat; 38. a flat bearing; 39. a flange; 40. a long hole; 41. and (5) sealing rings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Fig. 1-2 illustrate a specific embodiment of a small electric turntable for a drilling machine, referring to fig. 1-2, a small electric turntable for a drilling machine, comprising a table assembly 1, a guide assembly 2 and a power head assembly 3.

The workbench assembly 1 comprises a base 4, a first servo motor 5, a cam divider 6, a rotary table 7, a jig 8, a waterproof cover 9, a trigger piece 10 and a limit switch 11. The first servo motor 5 and the cam divider 6 are both fixed on the base 4 in a threaded manner; a driving belt wheel 12 is sleeved on an output shaft of the first servo motor 5; a driven belt wheel 13 is sleeved on an input shaft of the cam divider 6; the driving pulley 12 and the driven pulley 13 are driven by a synchronous belt (not shown in the figure); further, the cam divider 6 is driven by the first servo motor 5 through a pulley transmission manner. The rotary disc 7 is fixed on an output shaft of the cam divider 6; the two jigs 8 are uniformly arranged on the turntable 7 along the circumferential direction of the turntable 7; the waterproof cover 9 is cylindrical, and the upper end edge of the waterproof cover is connected with the whole circumference of the peripheral end edge of the turntable 7 and used for covering the first servo motor 5 and the cam divider 6; the trigger piece 10 is arranged at the bottom of the turntable 7; the limit switch 11 is fixed on the base 4 in a height adjustable manner and is movably matched with the trigger piece 10.

The guide assembly 2 comprises a fixing plate 14, a guide post 15 and a guide sleeve 16; the fixing plate 14 is arranged on the base 4; the two guide posts 15 are vertically fixed on the fixed plate 14 and positioned at two sides of the turntable 7; each guide post 15 is slidably mounted with one guide sleeve 16, and the guide sleeve 16 is a graphite guide sleeve.

The power head assembly 3 comprises a sliding seat 17, a mounting piece 18 and a main shaft 19; two ends of the sliding seat 17 are respectively fixedly connected with one guide sleeve 16; the mounting member 18 is mounted on the slide carriage 17; three of the spindles 19 are fixed to the mounting member 18 above the rear of the turntable 7.

The utility model discloses during the use, will base 4 is fixed on the table surface of drilling machine (not shown in the figure), by the drive of the Z axle sharp module of drilling machine 18 uplinks, and install the drill bit on main shaft 19, by the drive of main shaft 19 the drill bit is rotatory, and its theory of operation is: a drilling station is arranged at the position of the rotary table 7 below the power head assembly 3, and a loading and unloading operation station is arranged on one side of the rotary table 7 away from the power head assembly 3; first servo motor 5 connects in external power source to the drive tool 8 rotates in turn between drilling station and unloading operation station, by the drive of the Z axle sharp module of drilling machine the up-and-down motion of unit head subassembly 3 and to the work piece on tool 8 of drilling station carry out drilling operation, by the operator to the tool of unloading operation station department go on unloading operation. Therefore, the utility model discloses a can carry out the purpose of drilling operation and last unloading operation simultaneously on a drilling machine, improve production efficiency, still make the operator can keep away from main shaft 19 reduces the operator quilt the risk of 19 injuries of main shaft.

Further, the device also comprises a limit plate 20; two ends of the limiting plate 20 are respectively fixed on the two guide pillars 15; the limiting plate 20 is formed with three clearance holes 21 for the tool on the main shaft 19 to pass through, in this embodiment, the main shaft 19 is three, so that the three clearance holes 21 are also three, and the three clearance holes 21 are located on a trisection point of a virtual circumference. The utility model discloses a set up limiting plate 20 limits 19's down stroke of main shaft can effectively prevent 19 down have the mistake to lead to the work piece to damage or the drill bit fracture of installation on the main shaft 19.

Further, a circular boss 22 is arranged at the upper part of the rotary table 7; a fixing part 23 extends inwards from the whole periphery of the upper end edge of the waterproof cover 9; the fixing part 23 is annular and is superposed on the upper end face of the rotary disc 7 and then is in threaded connection with the rotary disc 7; the inner wall surface of the fixing portion 23 is closely matched with the side wall surface of the circular boss 22 all around, and the matching of the fixing portion 23 and the circular boss 22 has the advantages of good connecting effect and convenience in positioning.

Further, each of the jigs 8 includes a first cylinder 24 at the bottom, a second cylinder 25 at the middle, and a third cylinder 26 at the top. The first cylinder 24 is fixed on the circular boss 22; the diameter of the first cylinder 24 is equal to the radius of the circular boss 22; the diameter of the second cylinder 25 is smaller than the diameter of the first cylinder 24; the diameter of the third cylinder 26 is greater than the diameter of the second cylinder 25 and less than the diameter of the first cylinder 24; the top of the third cylinder 26 is rounded all around. In this embodiment: the workpiece to be processed is in a round cake shape, the bottom of the workpiece is concavely provided with a fixing groove with the same shape and size as the third cylinder 26, and the fillet at the top of the third cylinder 26 can play a role in automatic guiding and positioning in the process of placing the workpiece; after the workpiece is placed on the third cylinder 26, the diameter of the third cylinder 26 is larger than that of the second cylinder 25, so that the bottom of the workpiece is not blocked, the heat dissipation effect of the workpiece is better, and cooling liquid is conveniently introduced to the bottom of the workpiece or chips are conveniently removed during tapping; in addition, the diameter of the first cylinder 24 is larger than that of the second cylinder 25 and the third cylinder 26, so that the fixture 8 is more firmly connected with the turntable 7.

Further, a cylindrical connecting portion 27 is formed at an upper portion of the mounting member 18; the top end of the connecting part 27 is formed with a circumferential positioning shaft shoulder 28, and is positioned when being connected and fixed with the mounting part 18 with a Z-axis linear module of a drilling machine.

Further, the top of the trigger button of the limit switch 11 is provided with a cambered surface 29; two inclined wedge surfaces 30 matched with the cambered surface 29 are oppositely formed on two side walls of the lower part of the trigger piece 10; when the trigger piece 10 rotates along with the rotary disc 7, the trigger piece 10 and the trigger button of the limit switch 11 form a wedge transmission structure through the wedge surface 30 and the arc surface 29, and then the trigger button of the limit switch 11 can be driven by the circumference of the trigger piece 10 in the horizontal direction to perform linear motion in the vertical direction.

Furthermore, the device also comprises a limit switch fixing block 31; the limit switch fixing block 31 comprises a horizontal part 32; a first vertical part 33 is formed by bending the end of the horizontal part 32 far away from the cam divider 6 upwards; the limit switch 11 is fixed on the first vertical part 33; one end of the horizontal part 32 close to the cam divider 6 is bent downwards to form a second vertical part 34, and the side wall of the second vertical part 34 abuts against the side wall of the base 4; the second vertical part 34 is formed with a strip-shaped notch 35; the base 4 is provided with a first threaded hole 36 matched with the notch 35. In the actual use process, a screw of a first stop bolt (not shown in the figure) penetrates through the notch 35 and then is screwed and fixed to the first threaded hole 36, the second vertical part 34 is clamped by a nut of the first stop bolt and the side wall of the base 4 in a matched mode to realize fixation, the limit switch fixing block 31 can be adjusted by adjusting different positions of the notch 35 of the second vertical part 34 clamped by the first stop bolt, and then the height of the limit switch 11 is adjusted.

Further, the cam divider comprises a bearing seat 37, the bearing seat 37 is installed at the top of the shell of the cam divider 6, and a plane bearing 38 matched with the lower end face of the rotary disc 7 is arranged on the bearing seat 37; a sealing ring 41 is sleeved on the side wall of the bearing seat 37; the upper end surface of the seal ring 41 is fitted to the entire circumference of the turntable 7. Through setting up flat bearing 38 is right carousel 7 plays better support effect, has improved the utility model discloses a stability is simultaneously through setting up sealing washer 41 can avoid sweeps or processing dust ground to get into cause in the flat bearing 38's damage.

Further, the bottom ends of the two guide pillars 15 are respectively fixed on the two ends of the fixed plate 14 through flanges 39; a second threaded hole is formed in the fixing plate 14; and a long hole 40 matched with the second threaded hole is formed in the base 4. In the actual use process, a screw of a second stop bolt (not shown in the figure) penetrates through the long hole 40 and then is screwed and fixed to the second threaded hole, the base 4 is clamped by matching a nut of the second stop bolt and the fixing plate 14 to realize fixation, and the relative positions of the fixing plate 14 and the base 4 can be adjusted by adjusting different positions of the long hole 40 of the base 4 clamped by the second stop bolt.

Further, the spindle 19 is an electric spindle; alternatively, the spindle 19 is a mechanical spindle, and second servo motors (not shown in the drawings) for driving the three mechanical spindles are arranged in the mounting part 18, and one of the second servo motors may simultaneously drive the three mechanical spindles to work through gear transmission, pulley transmission or the like, or the three second servo motors may respectively drive one of the mechanical spindles to work.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. A small-size electric turntable for a drilling machine is characterized by comprising:

the workbench assembly comprises a base, a first servo motor, a cam divider, a turntable, a jig, a waterproof cover, a trigger piece and a limit switch; the first servo motor and the cam divider are both fixed on the base; a driving belt wheel is sleeved on an output shaft of the first servo motor; a driven belt wheel is sleeved on the input shaft of the cam divider; the driving belt wheel and the driven belt wheel are driven by a synchronous belt; the rotary disc is fixed on an output shaft of the cam divider; the at least two jigs are uniformly arranged on the turntable along the circumferential direction of the turntable; the waterproof cover is cylindrical, and the upper end edge of the waterproof cover is connected with the whole circumference of the peripheral side end edge of the turntable and used for covering the first servo motor and the cam divider; the trigger piece is arranged at the bottom of the turntable; the limit switch is fixed on the base in a height adjustable mode and is movably matched with the trigger piece;

the guide assembly comprises a fixing plate, a guide pillar and a guide sleeve; the fixed plate is arranged on the base; the two guide posts are vertically fixed on the fixed plate and positioned on two sides of the turntable; each guide post is provided with one guide sleeve in a sliding way;

the power head assembly comprises a sliding seat, a mounting piece and a main shaft; two ends of the sliding seat are respectively fixedly connected with one guide sleeve; the mounting piece is mounted on the sliding seat; the main shafts are fixed on the mounting piece and located above the rear portion of the rotary table.

2. A compact electric turntable for a drilling machine according to claim 1, further comprising a limit plate; two ends of the limiting plate are respectively fixed on the two guide pillars; and the limiting plate is provided with a position avoiding hole for the cutter on the main shaft to pass through.

3. A small-sized electric turntable for a drilling machine according to claim 2, wherein the upper portion of said turntable is provided with a circular boss; a fixing part extends inwards from the upper end edge of the waterproof cover in the horizontal direction; the fixing part is annular and is superposed on the upper end face of the rotary disc and then is in threaded connection with the rotary disc; the inner wall surface of the fixing part is closely matched with the side wall surface of the circular boss all around.

4. The small-sized electric turntable for the drilling machine as claimed in claim 3, wherein the number of the jigs is two; each fixture comprises a first cylinder at the bottom, a second cylinder in the middle and a third cylinder at the top; the first cylinder is fixed on the circular boss; the diameter of the first cylinder is equal to the radius of the circular boss; the diameter of the second cylinder is smaller than the diameter of the first cylinder; the diameter of the third cylinder is larger than that of the second cylinder and smaller than that of the first cylinder; the top of the third cylinder is rounded all around.

5. A small electric turntable for a drilling machine according to claim 4, characterized in that the upper part of said mounting member is formed with a cylindrical connecting part; the top end of the connecting part is formed with a circumferential positioning shaft shoulder.

6. A small-sized electric turntable for a drilling machine as claimed in any one of claims 1 to 5, wherein the top of the trigger button of the limit switch is provided with an arc surface; two inclined wedge surfaces matched with the cambered surface are oppositely formed on two side walls of the lower part of the trigger piece.

7. The small-sized electric turntable for the drilling machine as claimed in claim 6, further comprising a limit switch fixing block; the limit switch fixing block comprises a horizontal part; one end of the horizontal part, which is far away from the cam divider, is bent upwards to form a first vertical part; the limit switch is fixed on the first vertical part; one end of the horizontal part, which is close to the cam divider, is bent downwards to form a second vertical part, and the side wall of the second vertical part is abutted against the side wall of the base; a strip-shaped notch is formed in the second vertical part; and a first threaded hole matched with the notch is formed in the base.

8. The small-sized electric turntable for the drilling machine as claimed in claim 6, further comprising a bearing seat, wherein the bearing seat is mounted on the top of the housing of the cam divider, and a flat bearing matched with the lower end face of the turntable is arranged on the bearing seat.

9. The small-sized electric turntable for the drilling machine as claimed in claim 8, wherein the side wall of the bearing seat is sleeved with a sealing ring; the upper end face of the sealing ring is matched with the whole circumference of the rotary disc.

10. The small-sized electric turntable for the drilling machine as claimed in claim 1, wherein the bottom ends of the two guide posts are respectively fixed on the two ends of the fixing plate through flanges; a second threaded hole is formed in the fixing plate; and a long hole matched with the second threaded hole is formed in the base.