CN218425806U

CN218425806U - Precise transmission assembly for output shaft of bench drill

Info

Publication number: CN218425806U
Application number: CN202222807202.XU
Authority: CN
Inventors: 赵成
Original assignee: Dalian Xizeming Machinery Co ltd
Current assignee: Dalian Xizeming Machinery Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-02-03
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a bench drill output shaft precision transmission subassembly, including the driving shaft, the top rigid coupling of driving shaft has first ring, the right side of first ring is equipped with the second ring, the outside of second ring and first ring is equipped with the belt, the lower surface center rigid coupling of second ring has the output shaft. This bench drill output shaft precision transmission subassembly, through the driving shaft, first ring, the second ring, the belt, cooperation between output shaft and the adjusting part, because of the threaded connection relation of lead screw and vertical section of thick bamboo, can make vertical section of thick bamboo carry out the change of position from top to bottom, the transmission through the down tube during, can make the riser, extension board and groove post carry out stretching out or returning back to the outside, can change the transmission proportion of the belt left and right sides promptly, and the transmission proportion accessible rotates the knob and carries out more accurate control, can realize the appointed speed regulation to output shaft and drilling rod axle revolution, do benefit to the proper processing to accurate work piece.

Description

Bench drill output shaft precision transmission assembly

Technical Field

The utility model relates to a bench drill technical field specifically is a bench drill output shaft precision transmission subassembly.

Background

The bench drilling machine is a small drilling machine with wide application, the motor drives the rotating wheel by five-stage speed change to make the main shaft change into five rotating speeds, the head frame can move up and down on the circular column, and can rotate to any position around the center of the circular column to process, and can be locked by the handle after being adjusted to a proper position, if the head frame is to be lowered, the safety ring is firstly adjusted to a proper position, and is locked by the fastening screw, then the handle is released, the head frame falls to a safety environment by self weight, and then the handle is pulled tightly, the workbench can move up and down on the circular column, and can rotate to any position around the column, when the locking screw of the locking handle of the workbench seat is loosened, the workbench can be inclined 45 degrees on the left and right on the vertical plane, when the workpiece is small, the workbench can be placed on the workbench to drill, when the workpiece is large, the bench drill has the advantages that a workpiece table can be rotated away and directly placed on the bottom surface of a drilling machine for drilling, the operation field of the bench drill is wide, workpieces made of different materials can be drilled with holes of different sizes, the rotating speed range of the bench drill is about 300-3000, the rotating speed is related to the size of the holes, the shapes and the materials of the workpieces, requirements for the holes and the like are also considered, a pagoda-shaped belt pulley is arranged on each of a motor shaft and a drill shaft in the bench drill on the current market, speed regulation is achieved, speed regulation operation of the drill shaft can be achieved, a crowbar is required to apply force to a transmission belt for adjustment, physical performance is consumed, precision of the speed regulation is poor, the rotating speed of the drill shaft cannot be adjusted to a specified speed, and the bench drill is not favorable for proper operation of precise workpieces.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bench drill output shaft accurate transmission assembly to respectively have a pagoda shape belt pulley in motor shaft and the drill rod axle in solving the bench drill on the present market that proposes in the above-mentioned background art, this is exactly for the speed governing, although can carry out the speed governing operation of drill rod axle, but need use the crowbar to carry out the application of force adjustment to driving belt, comparatively consume the physical stamina, and the accuracy of speed governing is relatively poor, can not adjust the drill rod axle revolution to appointed speed, be unfavorable for the required problem of proper operation to accurate work piece.

In order to achieve the above object, the utility model provides a following technical scheme: a precision transmission assembly for an output shaft of a bench drill comprises a driving shaft, wherein a first circular ring is fixedly connected to the top end of the driving shaft, a second circular ring is arranged on the right side of the first circular ring, a belt is arranged on the outer sides of the second circular ring and the first circular ring, the output shaft is fixedly connected to the center of the lower surface of the second circular ring, and the belt is in butt joint with the first circular ring and the second circular ring through an adjusting assembly;

the adjusting component comprises a screw rod, a knob, a vertical cylinder, a first lug, an inclined rod, a through groove, a second lug, a vertical plate, a support plate and a groove column;

the lead screw rotates to be connected at the upper surface center of first ring, the top rigid coupling of lead screw has the knob, the outer wall threaded connection of lead screw has vertical section of thick bamboo, vertical section of thick bamboo's outer wall is annular rigid coupling and has a plurality of first lugs, the outside of first lug articulates there is the down tube, the down tube runs through a part of first ring through leading to the groove, the other end of down tube articulates there is the second lug, the surface rigid coupling of second lug has the riser, the equal rigid coupling in both sides has the extension board about the surface of riser, a part of extension board runs through first ring, two from top to bottom the outside rigid coupling has the groove post between the extension board, the outer wall of groove post offsets tightly with the inner wall of belt.

Preferably, one side of the upper surface of the knob is fixedly connected with a pointer.

Compared with the prior art, the beneficial effects of the utility model are that: this bench drill output shaft precision transmission subassembly for the conventional art, has following advantage:

through the driving shaft, first ring, the second ring, the belt, cooperation between output shaft and the adjusting part, when needing to adjust the revolution of bench drill drilling rod axle, operating personnel carries out the synchronous rotation of two knobs while and opposite direction, make the lead screw rotate, because of the threaded connection relation of lead screw and vertical cylinder, can make vertical cylinder carry out the change of upper and lower position, the transmission through the down tube during, can make the riser, extension board and groove post go on stretching out or returning back to the outside, can change the transmission proportion of the belt left and right sides promptly, and the transmission proportion accessible rotates the knob and carries out the control that is more accurate, can realize adjusting the appointed speed of output shaft and drilling rod axle revolution, do benefit to the proper processing to accurate work piece.

Drawings

The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. Throughout the drawings, the same or similar reference numbers refer to the same or similar elements. It should be understood that the drawings are schematic and that elements and features are not necessarily drawn to scale.

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

fig. 2 is a top view of the first ring, belt and adjustment assembly of fig. 1.

In the figure: 1. the device comprises a driving shaft, 2, a first circular ring, 3, a second circular ring, 4, a belt, 5, an output shaft, 6, an adjusting component, 601, a screw rod, 602, a knob, 603, a vertical cylinder, 604, a first bump, 605, a diagonal rod, 606, a through groove, 607, a second bump, 608, a vertical plate, 609, a support plate, 610, a groove column, 7 and a pointer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-2, the present invention provides a technical solution: a precision transmission assembly for an output shaft of a bench drill comprises a driving shaft 1, the bottom end of the driving shaft 1 can be butted with a motor shaft of the bench drill, a first circular ring 2 is fixedly connected to the top end of the driving shaft 1, a second circular ring 3 is arranged on the right side of the first circular ring 2, a belt 4 is arranged on the outer sides of the second circular ring 3 and the first circular ring 2, an output shaft 5 is fixedly connected to the center of the lower surface of the second circular ring 3, the bottom end of the output shaft 5 can be butted with a drill rod shaft of the bench drill, the belt 4 is butted with the first circular ring 2 and the second circular ring 3 through an adjusting assembly 6, the adjusting assembly 6 comprises a screw rod 601, a knob 602, a vertical cylinder 603, a first lug 604, an inclined rod 605, a through groove 606, a second lug 607, a vertical plate 608, a support plate 609 and a groove column 610, the screw rod 601 is rotatably connected to the center of the upper surface of the first circular ring 2, the two screw rods 601 are rotatably connected with the first circular ring 2 and the second circular ring 3 through ball bearings, and the top end of the screw rod 602 is fixedly connected with the knob 601, the outer wall of the screw 601 is connected with a vertical cylinder 603 in a threaded manner, the outer wall of the vertical cylinder 603 is fixedly connected with a plurality of first bumps 604 in an annular manner, the outer side of each first bump 604 is hinged with an inclined rod 605, the inclined rod 605 penetrates through a part of the first ring 2 through a through groove 606, the outer wall of the inclined rod 605 is in clearance fit with the inner wall of the through groove 606, the other end of the inclined rod 605 is hinged with a second bump 607, the outer surface of the second bump 607 is fixedly connected with a vertical plate 608, the upper side and the lower side of the outer surface of the vertical plate 608 are fixedly connected with supporting plates 609, a part of the supporting plate 609 penetrates through the first ring 2, a supporting plate 609 on the outer side of the first ring 2 is in clearance fit with the penetrating surface of the first ring 2, a supporting plate 609 on the outer side of the second ring 3 is in clearance fit with the penetrating surface of the second ring 3, a groove column 610 is fixedly connected between the upper supporting plate 609 and the lower supporting plate 609, the outer wall of the groove column 610 is abutted against the inner wall of the belt 4, one side of the upper surface of the knob 602 is fixedly connected with a pointer 7, pointer 7 may facilitate the operator in determining the turn of knob 602.

When the precision transmission component of the output shaft of the bench drill is used, an operator firstly butt joints the driving shaft 1 with the shaft of the bench drill, butt joints the output shaft 5 with the shaft of the bench drill, sleeve the belt 4 on the outer sides of the groove columns 610, make the inner wall of the belt 4 butt against the outer wall of the groove columns 610, at this time, the driving shaft 1 and the first ring 2 rotate when the bench drill motor is started, the groove columns 610 on the outer side of the first ring 2 revolve around the first ring 2 in the process, through the transmission of the belt 4, the groove columns 610 on the outer side of the second ring 3 revolve around the second ring 3 as the center, the second ring 3 and the output shaft 5 can rotate, and the shaft of the bench drill is driven to rotate, can carry out the trompil operation for bench drill workstation top work piece, if when needing to adjust the revolution of bench drill drilling rod axle, operating personnel carries out simultaneous and opposite direction's synchronous rotation with two knobs 602, make lead screw 601 rotate, because of the threaded connection relation of lead screw 601 and vertical section of thick bamboo 603, can make vertical section of thick bamboo 603 carry out the change of upper and lower position, the transmission of down tube 605 is passed through to the period, can make riser 608, extension board 609 and groove post 610 carry out stretching out or returning to the outside, can change the transmission proportion of the belt 4 left and right sides promptly, and the transmission proportion accessible rotates knob 602 and carries out comparatively accurate control, can realize the appointed speed regulation to output shaft 5 and drilling rod axle revolution, do benefit to the appropriate processing to accurate work piece.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

It should be noted that, for the convenience of description, only the parts relevant to the related disclosure are shown in the drawings. The embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict; it should be noted that the terms "first", "second", and the like in the present disclosure are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence relationship of the functions performed by the devices, modules or units; it is noted that references to "a", "an", and "the" modifications in the present disclosure are intended to be illustrative rather than limiting, and that those skilled in the art will recognize that reference to "one or more" unless the context clearly dictates otherwise; the names of messages or information exchanged between devices in the embodiments of the present disclosure are for illustrative purposes only, and are not intended to limit the scope of the messages or information.

In the present invention, the words "element", "component" and "material" are used only for the convenience of the related technical personnel to understand and realize the function, but not to limit and protect the component.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bench drill output shaft precision transmission subassembly, includes driving shaft (1), its characterized in that: a first circular ring (2) is fixedly connected to the top end of the driving shaft (1), a second circular ring (3) is arranged on the right side of the first circular ring (2), a belt (4) is arranged on the outer sides of the second circular ring (3) and the first circular ring (2), an output shaft (5) is fixedly connected to the center of the lower surface of the second circular ring (3), and the belt (4) is in butt joint with the first circular ring (2) and the second circular ring (3) through an adjusting component (6);

the adjusting assembly (6) comprises a screw rod (601), a knob (602), a vertical cylinder (603), a first lug (604), an inclined rod (605), a through groove (606), a second lug (607), a vertical plate (608), a support plate (609) and a groove column (610);

the screw rod (601) is rotatably connected to the center of the upper surface of the first circular ring (2), a knob (602) is fixedly connected to the top end of the screw rod (601), a vertical cylinder (603) is in threaded connection with the outer wall of the screw rod (601), a plurality of first convex blocks (604) are fixedly connected to the outer wall of the vertical cylinder (603) in an annular mode, an inclined rod (605) is hinged to the outer side of each first convex block (604), the inclined rod (605) penetrates through one part of the first circular ring (2) through a through groove (606), a second convex block (607) is hinged to the other end of each inclined rod (605), a vertical plate (608) is fixedly connected to the outer surface of each second convex block (607), supporting plates (609) are fixedly connected to the upper side and the lower side of the outer surface of each vertical plate (608), one part of each supporting plate (609) penetrates through the first circular ring (2), a groove column (610) is fixedly connected to the outer side between the upper supporting plate and the lower supporting plate (609), and the outer wall of each groove column (610) is tightly abutted to the inner wall of the belt (4).

2. The precision transmission assembly of an output shaft of a bench drill of claim 1, wherein: and one side of the upper surface of the knob (602) is fixedly connected with a pointer (7).