CN210523859U

CN210523859U - Vertical drilling machine

Info

Publication number: CN210523859U
Application number: CN201921464032.1U
Authority: CN
Inventors: 孙高前; 杨兆国; 戴昊
Original assignee: Yancheng Baoding Power Tools Co ltd
Current assignee: Yancheng Baoding Power Tools Co ltd
Priority date: 2019-06-24
Filing date: 2019-09-04
Publication date: 2020-05-15
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses a vertical drilling machine, which comprises a stand column, a base, a rack, a gear, a shell, a driving device and a drill chuck, wherein the shell comprises a top part and a bottom part, the lower end of the stand column is arranged on the base, the driving device is arranged in the right part of the shell, the drill chuck is arranged on the driving device, the drill chuck is positioned on the outer side of the bottom part of the right part of the shell, the bottom surface of the left part of the shell is arranged on the stand column in a penetrating way, the vertical column is of a hollow structure, the upper end part of the stand column is provided with a clamping sleeve, the rack is arranged in the shell, the rack is positioned on the left side of the driving device, two end parts of a gear shaft are arranged on the clamping sleeve, a longitudinal elongated slot is arranged on the shell, one end of the gear shaft is positioned in the longitudinal elongated slot, a hand wheel, the upper end of the tension spring is connected with one end of the steel cable, and the other end of the steel cable is connected with the inner bottom of the shell through a pulley arranged on the clamping sleeve.

Description

Vertical drilling machine

Technical Field

The utility model relates to a vertical drilling machine.

Background

A vertical drill for domestic hand work is a commonly used domestic electric tool. A domestic vertical drilling machine is known, which is entitled "vertical drilling machine" under the publication No. CN102528113B, and comprises a column on which a bearing bridge for a working device is held so as to be longitudinally displaceable, wherein the bearing bridge is acted upon by a return spring which is supported on the one hand on the bearing bridge and on the other hand on an adjustable stop element which is held so as to be adjustable in the column longitudinal direction on the column, on which bearing bridge a complete machine head is fixedly arranged as the working device, which machine head contains a drive motor with a transmission in a housing and has a tool receiver, wherein the stop element has a slotted clamp which can be clamped radially by means of a pivotable clamping lever, and has a stop element which interacts with the column for braking the bearing bridge, A braking device acting on the column, the braking device having at least one braking element directed transversely with respect to a longitudinal center line of the column, said at least one braking element being pressed radially against the column by means of a spring force. During operation, the hand wheel is rotated, the gear rotates, the central line of the gear longitudinally moves along the rack, and the machine head is driven to longitudinally move to perform drilling operation. In the vertical drilling machine, the hand wheel needs to do two motions of rotation and longitudinal movement during operation, so that inconvenience is brought to operation of an operator. Because the return spring is exposed outside, hidden danger is brought to safety production.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a vertical drilling machine is provided, this vertical drilling machine not only be convenient for operating personnel to operate, can avoid the potential safety hazard of production moreover.

In order to solve the technical problem, the utility model relates to a vertical drilling machine, which comprises a stand column, a base, a rack, a gear, a shell, a driving device and a drill chuck, wherein the shell comprises a top part and a bottom part, the gear is arranged on a gear shaft, one end of the gear shaft is provided with a hand wheel, the gear is meshed with the rack, the lower end of the stand column is arranged on the base, the driving device is arranged in the right part of the shell, the drill chuck is arranged on the driving device, the drill chuck is positioned on the outer side of the bottom part of the right part of the shell, the bottom surface of the left part of the shell is arranged on the stand column in a penetrating way, the vertical column also comprises a tension spring, the stand column is of a hollow structure, the upper end part of the stand column is provided with a clamping sleeve, the rack is arranged in the shell, the rack is positioned on the, and the hand wheel is positioned on the outer side of the longitudinal elongated slot, the tension spring is positioned in the upright post, the lower end of the tension spring is arranged on the inner lower part of the upright post, the upper end of the tension spring is connected with one end of the steel cable, and the other end of the steel cable is connected with the inner bottom of the shell through a pulley arranged on the clamping sleeve.

The clamping sleeve is of a hoop structure and comprises a left hoop and a right hoop, the left hoop and the right hoop are clamped on the upper end portion of the stand column, two ends of the gear shaft are respectively arranged at one end of the left hoop and one end of the right hoop, the other ends of the left hoop and the right hoop are provided with fixing bolts, and the pulleys are arranged on the left hoop and the right hoop.

The rack passes through the rack seat setting inside the casing, the rack seat contains bedplate, upper seat board and lower bedplate, and upper seat board and lower bedplate set up respectively in the upper end and the lower extreme of bedplate, and lower bedplate is equipped with the through-hole, and this through-hole is equipped with on the stand, lower bedplate setting is at the interior bottom of casing, the upper seat board sets up top in the casing, and the rack setting is on the bedplate in the front.

The driving device comprises a motor, a transmission gear set and a vertical shaft, the motor is connected with the transmission gear set, the transmission gear set is connected with the vertical shaft, one end parts of the motor, the transmission gear set and the vertical shaft are all arranged inside the right part of the shell, the other end part of the vertical shaft is positioned outside the shell, and the drill chuck is arranged at the other end of the vertical shaft.

The rack seat is provided with a guide rod, the clamping sleeve is provided with a guide hole, the guide rod is arranged in the guide hole formed in the clamping sleeve in a penetrating mode, the upper end of the guide rod is arranged on the upper seat plate of the rack seat, and the lower end of the guide rod is arranged on the lower seat plate of the rack seat.

The rack seat is provided with a limiting adjusting mechanism, the limiting adjusting mechanism comprises an upper limiting block, an upper adjusting bolt, a lower limiting block and a lower adjusting bolt, the upper limiting block is arranged on the upper portion of the guide rod, one end of the upper adjusting bolt is arranged on the upper limiting block, the other end of the upper adjusting bolt is provided with an upper handle, the lower limiting block is arranged on the lower portion of the guide rod, one end of the lower adjusting bolt is arranged on the lower limiting block, and the other end of the lower adjusting bolt is provided with a lower handle.

The upper limiting block and the lower limiting block are the same in structure and are both of hoop type structures.

In the vertical drilling machine, the two end parts of the gear shaft are arranged on the clamping sleeve, and the clamping sleeve is arranged on the upper end part of the upright post, so that the hand wheel only rotates during operation and does not need to move longitudinally, and convenience is brought to the operation of an operator. Meanwhile, the tension spring and the steel cable are arranged inside the upright post and the shell, so that the potential safety production hazard caused by the fact that the return spring is exposed outside in the prior art is overcome. Meanwhile, the brake device is eliminated, so that the whole structure is simplified, and the manufacturing cost is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a vertical drilling machine of the present invention;

FIG. 2 is a rear view of FIG. 1;

fig. 3 is a structural schematic diagram of the connection relationship of the gear, the rack seat, the clamping sleeve and the upright post.

Detailed Description

The technical scheme of the utility model is further explained in detail with the attached drawings as follows:

as shown in fig. 1 and 2, the utility model discloses a vertical drilling machine, which comprises a vertical column 3, a base 1, a rack 12, a gear 6, a shell 10, a driving device and a drill chuck 16. The housing 10 includes a top and a bottom. The gear 6 is arranged on a gear shaft 17, and one end of the gear shaft 17 is provided with a hand wheel 7. The gear 6 is in mesh with a rack 12. The lower end of the upright post 3 is arranged on the base 1. The driving device is arranged inside the right part of the shell 10, the drill chuck 16 is arranged on the driving device, and the drill chuck 16 is positioned outside the bottom of the right part of the shell 10. The bottom surface of the left part of the housing 10 is mounted on the upright 3 in a penetrating manner. The vertical drilling machine further comprises a tension spring 2, the stand column 3 is of a hollow structure, a clamping sleeve 8 is arranged at the upper end of the stand column 3, the rack 12 is arranged inside the shell 10, and the rack 12 is located on the left side of the driving device. The two ends of the gear shaft 17 are arranged on the clamping sleeve 8. A longitudinal elongated slot 11 is arranged on the housing 10, one end of the gear shaft 17 is located in the longitudinal elongated slot 11, and the hand wheel 7 is located outside the longitudinal elongated slot 11. Extension spring 2 is located inside stand 3, the lower extreme setting of extension spring 2 is in the interior lower part of stand 3, and the upper end of extension spring 2 links to each other with the one end of cable wire 5, and the other end of cable wire 5 links to each other with the interior bottom of casing 10 through setting up pulley 9 on clamping sleeve 8.

In order to simplify the structure, as shown in fig. 3, the clamping sleeve 8 is a hoop structure, and includes a left hoop and a right hoop, and the left hoop and the right hoop are clamped on the upper end of the upright post 3. The both ends of gear shaft 17 set up the one end at left staple bolt and right staple bolt respectively, and the other end of left staple bolt and right staple bolt is equipped with fixing bolt, pulley 9 sets up on left staple bolt and right staple bolt.

In order to increase the stability and structural rigidity of the transmission, the toothed rack 12 is arranged inside the housing 10 by means of a toothed rack mount. The rack seat contains the front seat board, goes up bedplate 18 and bedplate 4 down and sets up respectively in the upper end and the lower extreme of front seat board, and bedplate 4 down is equipped with the through-hole, and this through-hole is equipped with on the stand 3, bedplate 4 sets up the interior bottom at casing 10 down, go up bedplate 18 and set up top in casing 10, rack 12 sets up on the front seat board.

In order to simplify the structure and reduce the cost, the driving device comprises a motor 13, a transmission gear set 14 and a vertical shaft 15. The motor 13 is connected with a transmission gear set 14, and the transmission gear set 14 is connected with a vertical shaft 15. One end of the motor 13, the transmission gear set 14 and the vertical shaft 15 are all arranged inside the right part of the shell 10. The other end of the vertical shaft 3 is positioned outside the shell 10, and the drill chuck 16 is arranged at the other end of the vertical shaft 10.

In order to improve the longitudinal movement and drilling precision, as shown in fig. 3, a guide rod 19 is arranged on the rack seat, a guide hole is formed in the clamping sleeve 8, the guide rod 19 is arranged in the guide hole formed in the clamping sleeve 8 in a penetrating manner, the upper end of the guide rod 19 is arranged on an upper seat plate 18 of the rack seat, and the lower end of the guide rod 19 is arranged on a lower seat plate 4 of the rack seat.

In order to quantitatively adjust the drilling depth, a limiting adjusting mechanism is arranged on the rack seat and comprises an upper limiting block 20, an upper adjusting bolt 21, a lower limiting block 23 and a lower adjusting bolt 22. An upper limit block 20 is arranged at the upper part of the guide rod 19, one end of an upper adjusting bolt 21 is arranged on the upper limit block 20, and the other end of the upper adjusting bolt 21 is provided with an upper handle. A lower limit block 23 is arranged at the lower part of the guide rod 19, one end of the lower adjusting bolt 22 is arranged on the lower limit block 23, and the other end of the lower adjusting bolt 22 is provided with a lower handle.

The upper limiting block 19 and the lower limiting block 23 have the same structure, and both the upper limiting block 19 and the lower limiting block 23 are of hoop structures. The above limiting block 19 is taken as an example, two side faces of the opening of the upper limiting block 19 are provided with screw holes, the screwing directions of the two screw holes are opposite, and when the upper adjusting bolt 21 rotates in different screwing directions in the two screw holes at the same time, the upper limiting block 19 is loosened or clamped on the guide rod 19.

In the vertical drilling machine, because the two end parts of the gear shaft 17 are arranged on the clamping sleeve 8 and the clamping sleeve 8 is arranged on the upper end part of the upright post 3, the hand wheel 7 only rotates during operation and does not need to move longitudinally, thereby bringing convenience to the operation of operators. Meanwhile, the tension spring 2 and the steel cable 5 are both arranged inside the upright post 3 and the shell 10, so that the potential safety production hazard caused by the fact that the return spring is exposed outside in the prior art is overcome. Meanwhile, the brake device is eliminated, so that the whole structure is simplified, and the manufacturing cost is reduced.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A vertical drilling machine comprises a vertical column, a base, a rack, a gear, a shell, a driving device and a drill chuck, wherein the shell comprises a top part and a bottom part, the gear is arranged on a gear shaft, one end of the gear shaft is provided with a hand wheel, the gear is meshed with the rack, the lower end of the vertical column is arranged on the base, the driving device is arranged in the right part of the shell, the drill chuck is arranged on the driving device, the drill chuck is positioned at the outer side of the bottom part of the right part of the shell, the bottom surface of the left part of the shell is arranged on the vertical column in a penetrating manner, the vertical column is of a hollow structure, the upper end part of the vertical column is provided with a clamping sleeve, the rack is arranged in the shell, the rack is positioned at the left side of the driving device, two end parts of the gear shaft are arranged on the clamping sleeve, a longitudinal elongated slot is arranged on, the tension spring is arranged inside the upright post, the lower end of the tension spring is arranged at the inner lower part of the upright post, the upper end of the tension spring is connected with one end of the steel cable, and the other end of the steel cable is connected with the inner bottom of the shell through a pulley arranged on the clamping sleeve.

2. The vertical drilling machine according to claim 1, wherein the clamping sleeve is of a hoop structure and comprises a left hoop and a right hoop, the left hoop and the right hoop are clamped on the upper end portion of the upright post, two ends of the gear shaft are respectively arranged at one end of the left hoop and one end of the right hoop, the other end of the left hoop and the other end of the right hoop are provided with fixing bolts, and the pulleys are arranged on the left hoop and the right hoop.

3. The vertical drilling machine according to claim 1, wherein the rack is disposed inside the casing through a rack holder, the rack holder includes a front seat plate, an upper seat plate and a lower seat plate, the upper seat plate and the lower seat plate are disposed at an upper end and a lower end of the front seat plate, respectively, the lower seat plate is provided with a through hole for mounting the pillar, the lower seat plate is disposed at an inner bottom of the casing, the upper seat plate is disposed at an inner top of the casing, and the rack is disposed on the front seat plate.

4. The vertical drilling machine as claimed in claim 1, wherein the driving device comprises a motor, a transmission gear set and a vertical shaft, the motor is connected with the transmission gear set, the transmission gear set is connected with the vertical shaft, one end parts of the motor, the transmission gear set and the vertical shaft are all arranged inside the right part of the casing, the other end part of the vertical shaft is positioned outside the casing, and the drill chuck is arranged at the other end part of the vertical shaft.

5. The vertical drilling machine as claimed in claim 3, wherein the rack bar seat is provided with a guide rod, the clamping sleeve is provided with a guide hole, the guide rod is inserted into the guide hole of the clamping sleeve, the upper end of the guide rod is arranged on the upper seat plate of the rack bar seat, and the lower end of the guide rod is arranged on the lower seat plate of the rack bar seat.

6. The vertical drilling machine according to claim 5, wherein the rack seat is provided with a limit adjusting mechanism, the limit adjusting mechanism comprises an upper limit block, an upper adjusting bolt, a lower limit block and a lower adjusting bolt, the upper limit block is arranged at the upper part of the guide rod, one end of the upper adjusting bolt is arranged on the upper limit block, the other end of the upper adjusting bolt is provided with an upper handle, the lower limit block is arranged at the lower part of the guide rod, one end of the lower adjusting bolt is arranged on the lower limit block, and the other end of the lower adjusting bolt is provided with a lower handle.

7. The vertical drilling machine as claimed in claim 6, wherein the upper and lower stop blocks are of the same construction and are of hoop construction.