A vertical drilling rig

Abstract

This invention discloses a vertical drilling rig, comprising a column, a base, a rack, a gear, a housing, a drive unit, and a drill chuck. The housing includes a top and a bottom. The lower end of the column is mounted on the base. The drive unit is located inside the right side of the housing. The drill chuck is mounted on the drive unit and is located on the outer side of the bottom of the right side of the housing. The bottom surface of the left side of the housing is fitted onto the column. The rig also includes a tension spring. The column is a hollow structure. A clamping sleeve is provided at the upper end of the column. The rack is located inside the housing and is located on the left side of the drive unit. Both ends of the gear shaft are mounted on the clamping sleeve. A longitudinal groove is provided on the upper part of the housing. One end of the gear shaft is located in the longitudinal groove, and the handwheel is located outside the longitudinal groove. The tension spring is located inside the column. The lower end of the tension spring is located in the lower inner part of the column, and the upper end of the tension spring is connected to one end of a steel cable. The other end of the steel cable is connected to the inner bottom of the housing through a pulley provided on the clamping sleeve.

Description

Technical Field

[0001] The invention relates to a vertical drilling rig. Background Art

[0002] A vertical drill for household manual work is a commonly used household electric tool. There is a household vertical drill with an authorization publication number of CN102528113B, which includes a column, a support bridge for a working device can be longitudinally movably held on the column, wherein the support bridge is loaded by a return spring, the return spring is supported on the support bridge on the one hand and on an adjustable stop element on the other hand, the stop element is adjustably held on the column in the longitudinal direction of the column, a complete machine head is fixedly mounted on the support bridge as a working device, the machine head contains a drive motor with a transmission device in the housing and has a tool receiving device, wherein the stop element has a slotted clamping band, the clamping band can be clamped in the radial direction by means of a swingable clamping lever, the stop element has a braking device that cooperates with the column and acts on the column for braking the support bridge, the braking device has at least one braking element that is directed transversely relative to the longitudinal center line of the column, and the at least one braking element is radially pressed against the column by means of spring force. During operation, the hand wheel is turned, and the gear rotates, and the center line of the gear moves longitudinally along the rack, and at the same time, the machine head moves longitudinally to perform drilling operations. In the above-mentioned vertical drilling rig, since the hand wheel has to rotate and move longitudinally during operation, it brings inconvenience to the operator. Since the return spring is exposed, it brings hidden dangers to production safety. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a vertical drilling rig, which is not only convenient for operators to operate, but also can avoid hidden safety hazards in production.

[0004] In order to solve the above technical problems, the present invention provides a vertical drilling machine, comprising a column, a base, a rack, a gear, a housing, a driving device and a drill chuck, the housing comprising a top and a bottom, the gear being arranged on a gear shaft, one end of the gear shaft being provided with a hand wheel, the gear being meshed with the rack, the lower end of the column being arranged on the base, the driving device being arranged inside the right part of the housing, the drill chuck being arranged on the driving device, the drill chuck being located outside the bottom of the right part of the housing, the bottom surface of the left part of the housing being mounted on the column, and further comprising a tension spring, the column being a hollow structure, the upper end of the column being provided with a clamping sleeve, the rack being arranged inside the housing, and the rack being located on the left side of the driving device, the two ends of the gear shaft being arranged on the clamping sleeve, the upper part of the housing being provided with a longitudinal long groove, one end of the gear shaft being located in the longitudinal long groove, and the hand wheel being located outside the longitudinal long groove, the tension spring being located inside the column, the lower end of the tension spring being arranged at the inner lower part of the column, the upper end of the tension spring being connected to one end of a steel cable, and the other end of the steel cable being connected to the inner bottom of the housing through a pulley arranged on the clamping sleeve.

[0005] The clamping sleeve is a clamping hoop structure, including a left clamping hoop and a right clamping hoop. The left clamping hoop and the right clamping hoop are clamped on the upper end of the column. The two ends of the gear shaft are respectively arranged on one end of the left clamping hoop and the right clamping hoop. The other ends of the left clamping hoop and the right clamping hoop are provided with fixing bolts. The pulley is arranged on the left clamping hoop and the right clamping hoop.

[0006] The rack is arranged inside the shell through a rack seat, and the rack seat includes a front seat plate, an upper seat plate and a lower seat plate, the upper seat plate and the lower seat plate are respectively arranged at the upper end and the lower end of the front seat plate, the lower seat plate is provided with a through hole, and the lower seat plate is installed on the column through the through hole, the lower seat plate is arranged at the inner bottom of the shell, the upper seat plate is arranged at the inner top of the shell, and the rack is arranged on the front seat plate.

[0007] The driving device comprises a motor, a transmission gear set and a vertical shaft, the motor is connected to the transmission gear set, the transmission gear set is connected to the vertical shaft, the motor, the transmission gear set and one end of the vertical shaft are all arranged inside the right part of the shell, the other end of the vertical shaft is located outside the shell, and the drill chuck is arranged on the other end of the vertical shaft.

[0008] The rack 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 provided in the clamping sleeve, 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.

[0009] The rack seat is provided with a limit adjustment mechanism, which includes an upper limit block, an upper adjustment bolt, a lower limit block and a lower adjustment bolt. The upper limit block is mounted on the upper part of the guide rod, one end of the upper adjustment bolt is mounted on the upper limit block, and the other end of the upper adjustment bolt is provided with an upper handle. The lower limit block is mounted on the lower part of the guide rod, one end of the lower adjustment bolt is mounted on the lower limit block, and the other end of the lower adjustment bolt is provided with a lower handle.

[0010] The upper limit block and the lower limit block have the same structure, and both the upper limit block and the lower limit block are hoop-type structures.

[0011] In the vertical drilling rig, since the two ends of the gear shaft are arranged on the clamping sleeve, and the clamping sleeve is arranged on the upper end of the column, during operation, the hand wheel only needs to be rotated and no longitudinal movement is required, which brings convenience to the operator. At the same time, since the tension spring and the steel cable are both inside the column and the housing, the safety production hazard caused by the return spring exposed outside in the prior art is overcome. At the same time, since the brake device is removed, the overall structure is simplified and the manufacturing cost is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of a vertical drilling rig of the present invention;

[0013] Figure 2 yes Figure 1 Rear view of

[0014] Figure 3 It is a structural diagram of the connection relationship between the gear, rack, rack seat, clamping sleeve and column. DETAILED DESCRIPTION

[0015] The technical solution of the present invention is further described in detail below in conjunction with the accompanying drawings:

[0016] like Figure 1 and Figure 2 As shown,

[0017] The present invention discloses a vertical drilling rig, comprising a column 3, a base 1, a rack 12, a gear 6, a housing

[0018] The housing 10 comprises a top and a bottom. The gear 6 is arranged on the gear shaft 17, and a hand wheel 7 is arranged at one end of the gear shaft 17. The gear 6 is meshed with a rack 12. The lower end of the column 3 is arranged on the base 1. The driving device is arranged inside the right part of the housing 10, and the drill chuck 16 is arranged on the driving device, and the drill chuck 16 is located on the outside of the bottom of the right part of the housing 10. The bottom surface of the left part of the housing 10 is installed on the column 3. The above-mentioned vertical drilling rig also contains a tension spring 2, the column 3 is a hollow structure, the upper end of the column 3 is provided with a clamping sleeve 8, the rack 12 is arranged inside the housing 10, and the rack 12 is located on the left side of the driving device.

[0019] Both ends of the gear shaft 17 are arranged on the clamping sleeve 8. A longitudinal long groove 11 is arranged on the housing 10, one end of the gear shaft 17 is located in the longitudinal long groove 11, and the hand wheel 7 is located outside the longitudinal long groove 11. The tension spring 2 is located inside the column 3, the lower end of the tension spring 2 is arranged at the inner lower part of the column 3, the upper end of the tension spring 2 is connected to one end of the steel cable 5, and the other end of the steel cable 5 is connected to the inner bottom of the housing 10 through a pulley 9 arranged on the clamping sleeve 8.

[0020] To simplify the structure, Figure 3 As shown, the clamping sleeve 8 is a clamping hoop structure, including a left clamping hoop and a right clamping hoop, and the left clamping hoop and the right clamping hoop are clamped on the upper end of the column 3. The two ends of the gear shaft 17 are respectively arranged at one end of the left clamping hoop and the right clamping hoop, and the other ends of the left clamping hoop and the right clamping hoop are provided with fixing bolts, and the pulley 9 is arranged on the left clamping hoop and the right clamping hoop.

[0021] In order to improve the stability and structural rigidity of the transmission, the rack 12 is arranged inside the housing 10 through a rack seat. The rack seat includes a front seat plate, an upper seat plate 18 and a lower seat plate 4, the upper seat plate 18 and the lower seat plate 4 are respectively arranged at the upper end and the lower end of the front seat plate, the lower seat plate 4 is provided with a through hole, the lower seat plate 4 is installed on the column 3 through the through hole, the lower seat plate 4 is arranged at the inner bottom of the housing 10, the upper seat plate 18 is arranged at the inner top of the housing 10, and the rack 12 is arranged on the front seat plate.

[0022] In order to simplify the structure and reduce the cost, the driving device includes a motor 13, a transmission gear set 14 and a vertical shaft 15. The motor 13 is connected to the transmission gear set 14, and the transmission gear set 14 is connected to the vertical shaft 15. The motor 13, the transmission gear set 14 and one end of the vertical shaft 15 are all arranged inside the right part of the housing 10. The other end of the vertical shaft 3 is located outside the housing 10, and the drill chuck 16 is arranged on the other end of the vertical shaft 10.

[0023] To improve the longitudinal movement and drilling accuracy, such as Figure 3As shown, a guide rod 19 is provided on the rack seat, a guide hole is provided on the clamping sleeve 8, the guide rod 19 is inserted into the guide hole provided on the clamping sleeve 8, the upper end of the guide rod 19 is arranged on the upper seat plate 18 of the rack seat, and the lower end of the guide rod 19 is arranged on the lower seat plate 4 of the rack seat.

[0024] In order to quantitatively adjust the drilling depth, a limit adjustment mechanism is provided on the rack seat, and the limit adjustment mechanism includes an upper limit block 20, an upper adjustment bolt 21, a lower limit block 23 and a lower adjustment bolt 22. The upper limit block 20 is mounted on the upper portion of the guide rod 19, one end of the upper adjustment bolt 21 is mounted on the upper limit block 20, and the other end of the upper adjustment bolt 21 is provided with an upper handle. The lower limit block 23 is mounted on the lower portion of the guide rod 19, one end of the lower adjustment bolt 22 is mounted on the lower limit block 23, and the other end of the lower adjustment bolt 22 is provided with a lower handle.

[0025] The upper limit block 19 and the lower limit block 23 have the same structure, and both of them are hoop-type structures. Taking the upper limit block 19 as an example, screw holes are provided on both sides of the opening of the upper limit block 19, and the rotation directions of the two screw holes are opposite. When the upper adjustment bolt 21 rotates in the two screw holes at the same time with different rotation directions, the upper limit block 19 is loosened or clamped on the guide rod 19.

[0026] In the vertical drilling rig, since the two ends of the gear shaft 17 are arranged on the clamping sleeve 8, and the clamping sleeve 8 is arranged on the upper end of the column 3, during operation, the hand wheel 7 only rotates and does not need to move longitudinally, which brings convenience to the operator. At the same time, since the tension spring 2 and the steel cable 5 are both inside the column 3 and the housing 10, the safety production hazard caused by the return spring exposed to the outside of the prior art is overcome. At the same time, since the brake device is removed, the overall structure is simplified and the manufacturing cost is reduced.

[0027] The specific implementation methods described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific implementation method of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A vertical drilling machine, comprising a column, a base, a rack, a gear, a housing, a driving device and a drill chuck, wherein the housing comprises a top and a bottom, 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 column is arranged on the base, the driving device is arranged inside the right part of the housing, the drill chuck is arranged on the driving device, the drill chuck is located outside the bottom of the right part of the housing, and the bottom surface of the left part of the housing is mounted on the column, characterized in that: It also contains a tension spring. The column is a hollow structure. A clamping sleeve is provided at the upper end of the column. The rack is arranged inside the shell, and the rack is located on the left side of the driving device. The two ends of the gear shaft are arranged on the clamping sleeve. A longitudinal long groove is provided on the shell, one end of the gear shaft is located in the longitudinal long groove, and the hand wheel is located on the outside of the longitudinal long groove. The tension spring is located inside the column, and the lower end of the tension spring is arranged at the inner lower part of the column. The upper end of the tension spring is connected to one end of the steel cable, and the other end of the steel cable is connected to the inner bottom of the shell through a pulley arranged on the clamping sleeve.

2. A vertical drilling rig according to claim 1, characterized in that: The clamping sleeve is a clamping hoop structure, including a left clamping hoop and a right clamping hoop. The left clamping hoop and the right clamping hoop are clamped on the upper end of the column. The two ends of the gear shaft are respectively arranged on one end of the left clamping hoop and the right clamping hoop. The other ends of the left clamping hoop and the right clamping hoop are provided with fixing bolts. The pulley is arranged on the left clamping hoop and the right clamping hoop.

3. A vertical drilling rig according to claim 1, characterized in that: The rack is arranged inside the shell through a rack seat, and the rack seat includes a front seat plate, an upper seat plate and a lower seat plate, the upper seat plate and the lower seat plate are respectively arranged at the upper end and the lower end of the front seat plate, the lower seat plate is provided with a through hole, and the lower seat plate is installed on the column through the through hole, the lower seat plate is arranged at the inner bottom of the shell, the upper seat plate is arranged at the inner top of the shell, and the rack is arranged on the front seat plate.

4. A vertical drilling rig according to claim 1, characterized in that: The driving device comprises a motor, a transmission gear set and a vertical shaft, the motor is connected to the transmission gear set, the transmission gear set is connected to the vertical shaft, the motor, the transmission gear set and one end of the vertical shaft are all arranged inside the right part of the shell, the other end of the vertical shaft is located outside the shell, and the drill chuck is arranged on the other end of the vertical shaft.

5. A vertical drilling rig according to claim 3, characterized in that: The rack 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 provided in the clamping sleeve, 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.

6. A vertical drilling rig according to claim 5, characterized in that: The rack seat is provided with a limit adjustment mechanism, which includes an upper limit block, an upper adjustment bolt, a lower limit block and a lower adjustment bolt. The upper limit block is mounted on the upper part of the guide rod, one end of the upper adjustment bolt is mounted on the upper limit block, and the other end of the upper adjustment bolt is provided with an upper handle. The lower limit block is mounted on the lower part of the guide rod, one end of the lower adjustment bolt is mounted on the lower limit block, and the other end of the lower adjustment bolt is provided with a lower handle.

7. A vertical drilling rig according to claim 6, characterized in that: The upper limit block and the lower limit block have the same structure, and both the upper limit block and the lower limit block are hoop-type structures.

Images