CN216680244U

CN216680244U - Radial drill main shaft return spring structure for automobile accessory machining

Info

Publication number: CN216680244U
Application number: CN202123354415.3U
Authority: CN
Inventors: 孟建; 刘志超; 赵磊
Original assignee: Jinan Runcheng Xinde Machinery Manufacturing Co ltd
Current assignee: Jinan Runcheng Xinde Machinery Manufacturing Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-07
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to the technical field of radial drilling machines, in particular to a radial drilling machine spindle return spring structure for machining automobile accessories. The technical scheme comprises the following steps: thin axle, thick axle, axle box and slider, the lower extreme outer wall welding of axle box has the installation piece, it has the installation pole to peg graft on the installation piece, thick axle slidable mounting is in the upper end of axle box, the bottom welding of thick axle has the fixing base, the upper end of thin axle is fixed in the fixing base through the cotter pin, thin axle slidable mounting is at the lower extreme of axle box, slider slidable mounting is in the inside of axle box, slidable mounting has the slide bar on the slider, the inner wall at the axle box is fixed respectively at the both ends of slide bar, thin axle runs through the slider, and the lower surface oppression slider of fixing base, through spring body elastic connection between the inner wall of slider and axle box. The utility model can elastically reset the main shaft through the matching of the structures, limit the main shaft and reduce the contact friction of the main shaft, thereby meeting the use requirements of personnel.

Description

Radial drill main shaft return spring structure for automobile accessory machining

Technical Field

The utility model relates to the technical field of radial drilling machines, in particular to a radial drilling machine spindle return spring structure for machining automobile accessories.

Background

A radial drill is a drill in which a radial arm is rotatable and liftable around a column, and a spindle head is generally horizontally movable on the radial arm. When a hole is machined on a vertical drilling machine, the centering of a cutter and a workpiece is realized through the movement of the workpiece, so that the centering is obviously very inconvenient for some large and heavy workpieces; the radial drilling machine can be centered by the position of the movable tool shaft, which brings great convenience to processing holes on large and heavy workpieces in single-piece and small-batch production.

Through search, publication No. CN212469781U discloses a radial drilling machine spindle return spring body structure applied to a radial drilling machine. The main shaft reset spring body structure of the radial drilling machine is characterized in that a transmission shaft gear, a worm wheel and a feeding handle seat are arranged on a transmission shaft, the transmission shaft gear is meshed with a rack on a main shaft sleeve, the worm wheel and a worm form a worm and worm transmission mechanism, a dial is arranged on the outer side of the feeding handle seat, a reset spring body seat is arranged on one end face of the dial and is arranged on the outer side of the transmission shaft gear, the reset spring body is arranged in the reset spring body seat, the feeding handle is arranged in a groove in the side face of the feeding handle seat, and the reset spring body is positioned behind the feeding handle and the dial and directly wound on the transmission shaft gear.

Traditional radial drill main shaft reset spring body structure main shaft oppression spring body utilizes the elasticity of spring body to reset to the main shaft, and the spring body can not play the spacing effect to the main shaft at this in-process, and the running friction is great between main shaft and the axle box, and after working a period, wearing and tearing seriously make the main shaft at drilling in-process, produce easily and rock the influence drilling precision, can not satisfy personnel's user demand.

Therefore, the radial drilling machine spindle return spring structure for machining the automobile parts is provided to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a main shaft return spring structure of a radial drilling machine for processing automobile accessories, aiming at the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a radial drill main shaft reset spring structure is used in auto-parts processing, includes thin axle, thick axle, axle box and slider, the welding of the lower extreme outer wall of axle box has the installation piece, the activity is pegged graft on the installation piece and is had the installation pole, thick axle slidable mounting is in the upper end of axle box, the welding of the bottom of thick axle has the fixing base, the upper end of thin axle is fixed in the fixing base through the cotter pin, thin axle slidable mounting is at the lower extreme of axle box, slider slidable mounting is in the inside of axle box, slidable mounting has the slide bar on the slider, the inner wall at the axle box is fixed respectively at the both ends of slide bar, thin axle runs through the slider, and the lower surface oppression slider of fixing base, through spring body elastic connection between the inner wall of slider and axle box.

When the spindle does not work, the pressure exerted on the spring body disappears, the slide block is jacked up under the action of the elastic force of the spring body, and the slide block drives the spindle to restore to the original position.

Preferably, the upper surface equidistance of slider rotates and installs the roller pearl, the roller pearl rotates the contact with the lower surface of fixing base. Through the design of the roller balls, the rotation friction between the coarse shaft and the sliding block is reduced.

Preferably, the upper seat is installed at the top end of the spring body, the lower seat is installed at the bottom end of the spring body, the upper seat and the lower seat are all sleeved on the sliding rod, the upper seat is in contact with the lower surface of the sliding block, and the lower seat is fixed on the inner wall of the axle box through bolts. Through the design of the upper seat and the lower seat, the spring body is ensured to have enough contact surfaces with the sliding block and the axle box.

Preferably, a bearing is embedded in the middle of the sliding block, and the thin shaft is inserted into the bearing. Through the design of the bearing, the rotation friction between the thin shaft and the sliding block is avoided.

Preferably, the upper end and the lower end of the axle box are respectively provided with a through hole matched with the thick shaft and the thin shaft, and the thick shaft and the thin shaft are respectively inserted into the through holes. And contact-free friction between the thick shaft and the thin shaft and the axle box is ensured.

Preferably, the number of the mounting rods is two, and the positions of the two mounting rods are symmetrically distributed relative to the outer wall of the lower end of the axle box. During use, the device may be secured in a designated position by a mounting rod.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model relates to a main shaft return spring structure of a radial drilling machine for processing automobile accessories, which can fix the device at a designated position through a mounting rod in the using process, when a thick shaft moves downwards under the external power, the thick shaft moves downwards in an axle box against a slide block to enable a thin shaft to drive a drill bit to move downwards, the slide block extrudes the spring body to generate deformation, and then the spring body generates elasticity, when the main shaft does not work, the pressure applied on the spring body disappears, the slide block is jacked up under the action of the elasticity of the spring body, so that the slide block drives the main shaft to recover the original position, in the process of moving downwards and rotating the main shaft, the rotary friction between the thick shaft and the slide block is reduced through the design of a roller ball, the rotary friction between the thin shaft and the slide block is avoided through the design of a bearing, and no contact friction exists among the thick shaft, the thin shaft and the axle box, the main shaft is limited, contact friction between the main shaft and the structure is reduced, the service life of the device is greatly prolonged, and the use requirements of personnel are met.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic top view of the slider of the present invention;

fig. 4 is a schematic structural view of the spring body of the present invention.

Reference numerals: 1. a thin shaft; 2. a spring body; 3. a slide bar; 4. a coarse shaft; 5. an axle box; 6. a slider; 7. mounting a rod; 8. mounting blocks; 9. a bearing; 10. a fixed seat; 11. rolling beads; 12. an upper seat; 13. and (4) a lower seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

As shown in fig. 1-4, the main shaft return spring structure of the radial drilling machine for processing automobile accessories, provided by the utility model, comprises a thin shaft 1, a thick shaft 4, a shaft box 5 and a sliding block 6, wherein an installation block 8 is welded on the outer wall of the lower end of the shaft box 5, an installation rod 7 is movably inserted on the installation block 8, the thick shaft 4 is slidably installed at the upper end of the shaft box 5, a fixed seat 10 is welded at the bottom end of the thick shaft 4, the upper end of the thin shaft 1 is fixed in the fixed seat 10 through a pin bolt, the thin shaft 1 is slidably installed at the lower end of the shaft box 5, the sliding block 6 is slidably installed inside the shaft box 5, a sliding rod 3 is slidably installed on the sliding block 6, two ends of the sliding rod 3 are respectively fixed on the inner wall of the shaft box 5, the thin shaft 1 penetrates through the sliding block 6, the sliding block 6 is pressed by the lower surface of the fixed seat 10, and the sliding block 6 is elastically connected with the inner wall of the shaft box 5 through a spring body 2.

The working principle based on the embodiment 1 is as follows: in the process that the thick shaft 4 moves downwards under external power, the thick shaft 4 moves downwards in the axle box 5 against the sliding block 6, so that the thin shaft 1 drives the drill bit to move downwards, the sliding block 6 is limited by the inner wall of the axle box 5 and the sliding rod 3 respectively to ensure that the sliding block 6 does not shake, at the moment, the sliding block 6 extrudes the spring body 2 to deform, the spring body 2 generates elastic force, when the main shaft does not work, the pressure applied to the spring body 2 disappears, the sliding block 6 is jacked up under the action of the elastic force of the spring body 2, and the sliding block 6 drives the main shaft to recover the original position.

Example two

As shown in fig. 1 to 4, compared with the first embodiment, the spindle return spring structure of a radial drilling machine for processing automobile accessories provided by the present invention further includes: roller ball 11 is installed in the upper surface equidistance rotation of slider 6, roller ball 11 rotates the contact with the lower surface of fixing base 10, upper seat 12 is installed on the top of spring body 2, lower seat 13 is installed to the bottom of spring body 2, upper seat 12, lower seat 13 three all cup joints on slide bar 3, and upper seat 12 and the lower surface of slider 6 contact each other, lower seat 13 passes through the bolt fastening at the inner wall of axle box 5, slider 6's intermediate position department inlays and installs bearing 9, thin axle 1 pegs graft on bearing 9, axle box 5's upper and lower end is seted up respectively with thick axle 4, the through-hole of thin axle 1 looks adaptation, thick axle 4, thin axle 1 pegs graft respectively on the through-hole, installation pole 7 totally two, and the position of two installation poles 7 is the symmetric distribution for the lower extreme outer wall of axle box 5.

In the embodiment, the device can be fixed at a designated position through the mounting rod 7, the rotating friction between the thick shaft 4 and the sliding block 6 is reduced through the design of the roller balls 11 in the process that the main shaft moves downwards and rotates, the rotating friction between the thin shaft 1 and the sliding block 6 is avoided through the design of the bearing 9, and no contact friction exists among the thick shaft 4, the thin shaft 1 and the axle box 5.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

The working principle is as follows: the main shaft return spring structure of the radial drilling machine for processing the automobile accessories can be fixed at a designated position through the mounting rod 7 in the using process, when the thick shaft 4 moves downwards under the external power, the thick shaft 4 moves downwards in the axle box 5 against the sliding block 6, so that the thin shaft 1 drives the drill bit to move downwards, the sliding block 6 respectively receives the limiting action of the inner wall of the axle box 5 and the sliding rod 3 to ensure that the sliding block 6 does not shake, at the moment, the sliding block 6 extrudes the spring body 2 to generate deformation, and then the spring body 2 generates elastic force, when the main shaft does not work, the pressure applied on the spring body 2 disappears, the sliding block 6 is jacked up under the action of the elastic force of the spring body 2, so that the sliding block 6 drives the main shaft to restore the original position, in the process that the main shaft moves downwards and rotates, the rotary friction between the thick shaft 4 and the sliding block 6 is reduced through the design of the roller 11, through the design of the bearing 9, the rotating friction between the thin shaft 1 and the sliding block 6 is avoided, and the thick shaft 4, the thin shaft 1 and the axle box 5 have no contact friction.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a radial drill main shaft reset spring structure is used in auto-parts processing, includes thin axle (1), thick axle (4), axle box (5) and slider (6), its characterized in that: the outer wall of the lower end of the axle box (5) is welded with an installation block (8), an installation rod (7) is movably inserted on the installation block (8), the thick shaft (4) is arranged at the upper end of the axle box (5) in a sliding way, a fixed seat (10) is welded at the bottom end of the thick shaft (4), the upper end of the thin shaft (1) is fixed in the fixed seat (10) through a pin bolt, the thin shaft (1) is installed at the lower end of the axle box (5) in a sliding way, the slide block (6) is arranged in the axle box (5) in a sliding way, the slide block (6) is provided with a slide rod (3) in a sliding way, two ends of the sliding rod (3) are respectively fixed on the inner wall of the axle box (5), the thin axle (1) penetrates through the sliding block (6), and the lower surface of the fixed seat (10) presses the sliding block (6), and the sliding block (6) is elastically connected with the inner wall of the axle box (5) through the spring body (2).

2. The radial drilling machine spindle return spring structure for the processing of automobile parts of claim 1, characterized in that: the upper surface equidistance of slider (6) is rotated and is installed roller pearl (11), roller pearl (11) rotate the contact with the lower surface of fixing base (10).

3. The radial drilling machine spindle return spring structure for the processing of automobile parts of claim 1, characterized in that: an upper seat (12) is installed at the top end of the spring body (2), a lower seat (13) is installed at the bottom end of the spring body (2), the upper seat (12) and the lower seat (13) are all sleeved on the sliding rod (3), the upper seat (12) and the lower surface of the sliding block (6) are in contact with each other, and the lower seat (13) is fixed on the inner wall of the axle box (5) through bolts.

4. The radial drilling machine spindle return spring structure for the processing of automobile parts of claim 1, characterized in that: the middle position of the sliding block (6) is embedded with a bearing (9), and the thin shaft (1) is inserted into the bearing (9).

5. The radial drilling machine spindle return spring structure for the processing of automobile parts of claim 1, characterized in that: the upper end and the lower end of the axle box (5) are respectively provided with a through hole matched with the thick shaft (4) and the thin shaft (1), and the thick shaft (4) and the thin shaft (1) are respectively inserted into the through holes.

6. The radial drilling machine spindle return spring structure for the processing of automobile parts of claim 1, characterized in that: the number of the mounting rods (7) is two, and the positions of the two mounting rods (7) are symmetrically distributed relative to the outer wall of the lower end of the axle box (5).