CN210023860U - Mechanical speed regulating device of bench drill - Google Patents

Abstract

The utility model discloses a mechanical speed adjusting device of bench drill belongs to the technical field of the bench drill, including the bench drill body, the bench drill body includes the aircraft nose, and the below of aircraft nose is connected with the gear box, and the below of gear box is connected with the drill bit and presss from both sides, accompanies the drill bit on the drill bit clamp, and the inside rotation of gear box is connected with rachis and output shaft, and the output shaft is located one side of rachis, and the rachis is connected with the output and the output shaft meshing of motor respectively, and the intermediate position meshing of output shaft is connected with the clutch, and one side of gear box is connected with adjusting hand wheel, and adjusting hand wheel. The utility model discloses a position of clutch is controlled to adjusting hand wheel to select different transfer ratio to realize different drilling rotational speeds, simple structure, the speed governing is swift, convenient to use.

Description

Mechanical speed regulating device of bench drill

Technical Field

The utility model belongs to the technical field of the bench drill, concretely relates to mechanical speed adjusting device of bench drill.

Background

According to general mechanical common knowledge, when the drill bit is small and the rotating speed of the bench drill is high, the drill is fast and the drill is smooth. When the drill bit is large, the speed is reduced and the torque is increased, and when the rotating speed of the bench drill is low, the drilling direction is powerful, and the drill moves. In order to meet the requirements of different drilling speeds, the conventional bench drill adopts belt transmission, and the drilling speed is adjusted by adjusting the size of a belt wheel. When drilling speed needs to be adjusted, the position of the belt pulley is adjusted to achieve adjustment, and operation is troublesome and inconvenient.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a mechanical speed regulating device of bench drill has the characteristics of adjusting simple and conveniently.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mechanical speed adjusting device of bench drill, including the bench drill body, the bench drill body includes the aircraft nose, the below of aircraft nose is connected with the gear box, the below of gear box is connected with the drill bit and presss from both sides, accompany the drill bit on the drill bit presss from both sides, the inside of gear box rotates and is connected with tooth axle and output shaft, the output shaft is located one side of tooth axle, the tooth axle is connected with the output and the output shaft meshing of motor respectively, the intermediate position meshing of output shaft is connected with the clutch, one side of gear box is connected with adjusting hand wheel, adjusting hand wheel is connected with the clutch.

As the utility model discloses a preferred technical scheme, the tooth axle includes gear wheel, well gear and pinion, and wherein, gear wheel, well gear and pinion set gradually from last to down, and the diameter of gear wheel, well gear and pinion reduces from last to down in proper order, and the gear wheel is connected with the output meshing of motor.

As the utility model discloses a preferred technical scheme, the output shaft includes axis of rotation, integral key shaft and connecting axle, and wherein, the intermediate position of output shaft is the integral key shaft, and the both ends of integral key shaft are the axis of rotation, and the lower extreme of output shaft is the connecting axle, and the clutch meshing is connected on the integral key shaft.

As the utility model discloses a preferred technical scheme is located the upper end rotate in the axis of rotation and be connected with high-speed gear, rotate in the axis of rotation that is located the lower extreme and be connected with low-speed gear.

As the utility model discloses a preferred technical scheme, high-speed gear is connected with well gear engagement, and low-speed gear is connected with pinion engagement.

As the utility model discloses a preferred technical scheme, slotted is seted up to the intermediate position of clutch, and the upper and lower both sides of clutch are connected with a plurality of clutch round pin.

As the utility model discloses an optimized technical scheme, all seted up on low-speed gear and the high-speed gear with clutch pin assorted hole.

As the utility model discloses a preferred technical scheme, adjusting handle is located the inside one end of gear box and connects the shift fork, and the shift fork is established at eccentric position.

As the utility model discloses a preferred technical scheme, the inside of gear box still is connected with the shift fork locating pin, and the one end of shift fork is passed the shift fork locating pin and is inlayed at the inslot.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a position of clutch is controlled to adjusting hand wheel to select different transfer ratio to realize different drilling rotational speeds, simple structure, the speed governing is swift, convenient to use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure of the machine head and the gear box of the present invention;

FIG. 3 is a schematic view of the internal structure of the gear box of the present invention;

FIG. 4 is a schematic structural view of the gear shaft of the present invention;

fig. 5 is a schematic structural view of the output shaft of the present invention;

fig. 6 is a schematic structural view of the clutch of the present invention;

in the figure: 1. a bench drill body; 2. a machine head; 3. a gear case; 4. a bit holder; 5. a drill bit; 6. a motor; 7. adjusting a hand wheel; 8. a gear shaft; 81. a bull gear; 82. a middle gear; 83. a pinion gear; 9. an output shaft; 91. a rotating shaft; 92. a spline shaft; 93. a connecting shaft; 10. a low-speed gear; 11. a clutch; 111. a groove; 112. a clutch pin; 12. a shifting fork; 13. a shifting fork positioning pin; 14. a high-speed gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a mechanical speed adjusting device of bench drill, including bench drill body 1, bench drill body 1 includes aircraft nose 2, the below of aircraft nose 2 is connected with gear box 3, the below of gear box 3 is connected with drill bit clamp 4, accompany drill bit 5 on the drill bit clamp 4, gear box 3's inside is connected with tooth axle 8 and output shaft 9 through the bearing rotation, output shaft 9 is located one side of tooth axle 8, tooth axle 8 is connected with output and output shaft 9 meshing of motor 6 respectively, the intermediate position meshing of output shaft 9 is connected with clutch 11, one side of gear box 3 is connected with adjusting hand wheel 7, adjusting hand wheel 7 is connected with clutch 11.

The specific models and the working principles of the bench drill body 1, the machine head 2 and the motor 6 in the embodiment are all the prior art, for example, a Z4120 bench drill sold by the hangzhou boyang machinery co.

Specifically, the gear shaft 8 includes a large gear 81, a middle gear 82 and a small gear 83, wherein the large gear 81, the middle gear 82 and the small gear 83 are sequentially arranged from top to bottom, the diameters of the large gear 81, the middle gear 82 and the small gear 83 are sequentially reduced from top to bottom, and the large gear 81 is meshed with the output end of the motor 6.

By adopting the technical scheme, the large gear 81 is used for transmitting the power of the motor 6, and the middle gear 82 and the small gear 83 are respectively connected with the high-speed gear 14 and the low-speed gear 10 for speed regulation.

Specifically, the output shaft 9 includes a rotating shaft 91, a spline shaft 92 and a connecting shaft 93, wherein the spline shaft 92 is arranged in the middle of the output shaft 9, the rotating shafts 91 are arranged at two ends of the spline shaft 92, the connecting shaft 93 is arranged at the lower end of the output shaft 9, the clutch 11 is engaged and connected to the spline shaft 92, the high-speed gear 14 is rotatably connected to the rotating shaft 91 at the upper end, the low-speed gear 10 is rotatably connected to the rotating shaft 91 at the lower end, the high-speed gear 14 is engaged and connected to the middle gear 82, the low-speed gear 10 is engaged and connected to the pinion 83, a groove 111 is formed in the middle of the clutch 11, and a plurality of.

Through adopting above-mentioned technical scheme, adjust the rotational speed, simple and convenient through the cooperation of output shaft 9 and clutch 11.

Specifically, the low-speed gear 10 and the high-speed gear 14 are both provided with holes that match the clutch pins 112.

By adopting the technical scheme, the clutch 11 is conveniently connected with the low-speed gear 10 and the high-speed gear 14.

Specifically, one end of the adjusting hand wheel 7, which is located inside the gear box 3, is connected with a shifting fork 12, the shifting fork 12 is arranged at an eccentric position, a shifting fork positioning pin 13 is further connected inside the gear box 3, and one end of the shifting fork 12 penetrates through the shifting fork positioning pin 13 and is embedded into the groove 111.

By adopting the technical scheme, the position of the clutch 11 is adjusted by adjusting the hand wheel 7.

When the utility model is used, the position of the clutch 11 is adjusted according to the drilling material, and then the bench drill is started; the utility model discloses the output of motor 6 is connected with gear wheel 81 meshing, high-speed gear 14 is connected with well gear 82 meshing, low-speed gear 10 is connected with pinion 83 meshing, high-speed gear 14 and low-speed gear 10 can rotate on output shaft 9, the upper and lower both sides of high-speed gear 14 and low-speed gear 10 are spacing through the spacing ring, clutch 11 is connected with the spline shaft 92 meshing in the middle part of output shaft 9, and can slide from top to bottom on spline shaft 92, adjust the position of clutch 11 through rotating adjusting handle 7, when clutch 11 is located the top, clutch pin 112 inserts the downthehole on high-speed gear 14, thereby high-speed gear 14 rotates and drives clutch 11 to rotate, drive output shaft 9 and rotate, carry out drilling; when the clutch 11 is located at the lowest end, the clutch pin 112 is inserted into a hole on the low-speed gear 10, so that the low-speed gear 10 rotates to drive the clutch 11 to rotate, and the output shaft 9 is driven to rotate to drill.

As mentioned above, since the holes of the high-speed gear 14 and the low-speed gear 10 are smooth and have no key slot, and can idle on the output shaft 9, the high-speed gear 14 drives the clutch 11 to rotate, thereby driving the output shaft 9 to rotate, and the rotation of the low-speed gear 10 is not affected, and vice versa.

In conclusion, the transmission gear is adjusted through the clutch 11, and different drilling rotating speeds are realized due to different designed transmission ratios, so that the drilling machine is simple in structure, fast in speed regulation and convenient to use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a mechanical speed adjusting device of bench drill, includes bench drill body (1), its characterized in that: bench drill body (1) includes aircraft nose (2), the below of aircraft nose (2) is connected with gear box (3), the below of gear box (3) is connected with drill bit clamp (4), accompany drill bit (5) on drill bit clamp (4), the inside rotation of gear box (3) is connected with tooth axle (8) and output shaft (9), output shaft (9) are located one side of tooth axle (8), tooth axle (8) are connected with the output of motor (6) and output shaft (9) meshing respectively, the intermediate position meshing of output shaft (9) is connected with clutch (11), one side of gear box (3) is connected with adjusting hand wheel (7), adjusting hand wheel (7) are connected with clutch (11).

2. The mechanical governor device of a bench drill according to claim 1, wherein: gear shaft (8) include gear wheel (81), well gear (82) and pinion (83), and wherein, gear wheel (81), well gear (82) and pinion (83) set gradually from last to down, and the diameter of gear wheel (81), well gear (82) and pinion (83) reduces from last to down in proper order, and gear wheel (81) are connected with the output meshing of motor (6).

3. The mechanical governor device of a bench drill according to claim 2, wherein: the output shaft (9) comprises a rotating shaft (91), a spline shaft (92) and a connecting shaft (93), wherein the spline shaft (92) is arranged in the middle of the output shaft (9), the rotating shaft (91) is arranged at two ends of the spline shaft (92), the connecting shaft (93) is arranged at the lower end of the output shaft (9), and the clutch (11) is connected to the spline shaft (92) in a meshed mode.

4. The mechanical governor device of a bench drill according to claim 3, wherein: the rotating shaft (91) at the upper end is rotatably connected with a high-speed gear (14), and the rotating shaft (91) at the lower end is rotatably connected with a low-speed gear (10).

5. The mechanical governor device of a bench drill according to claim 4, wherein: the high-speed gear (14) is in meshed connection with the middle gear (82), and the low-speed gear (10) is in meshed connection with the pinion (83).

6. The mechanical governor device of a bench drill according to claim 5, wherein: a groove (111) is formed in the middle of the clutch (11), and a plurality of clutch pins (112) are connected to the upper side and the lower side of the clutch (11).

7. The mechanical governor device of a bench drill according to claim 6, wherein: and holes matched with the clutch pins (112) are formed in the low-speed gear (10) and the high-speed gear (14).

8. The mechanical governor device of a bench drill according to claim 7, wherein: one end of the adjusting hand wheel (7) positioned in the gear box (3) is connected with a shifting fork (12), and the shifting fork (12) is arranged at an eccentric position.

9. The mechanical governor device of a bench drill according to claim 8, wherein: the gear box (3) is also internally connected with a shifting fork positioning pin (13), and one end of a shifting fork (12) penetrates through the shifting fork positioning pin (13) and is embedded into the groove (111).

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