CN210523855U

CN210523855U - Double-drill bit on drilling machine

Info

Publication number: CN210523855U
Application number: CN201920657712.9U
Authority: CN
Inventors: 李金宇
Original assignee: Hubei Ikea Heat Resistant Ceramic Sand Co Ltd
Current assignee: Hubei Ikea Heat Resistant Ceramic Sand Co Ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-05-15
Anticipated expiration: 2029-05-08

Abstract

The utility model provides a two drill bits on drilling machine belongs to drilling machine drill bit technical field, and it has solved current drilling machine drill bit work efficiency low, and is not suitable for technical problem such as more complicated work requirement. The utility model provides a two drill bits on drilling machine, includes transmission shaft and mount pad, is provided with the centre bore on the mount pad, and the transmission shaft passes the centre bore, and the cover has the axle sleeve on the transmission shaft, and the up end at the mount pad is fixed to the axle sleeve, and left drill bit is installed to the lower left corner of mount pad, and right drill bit is installed to the lower right corner of mount pad, and right drill bit runs through the mount pad. The double-drill bit on the drilling machine of the utility model adopts the traditional single-drill bit on the drilling machine as the double-drill bit, thereby greatly improving the working efficiency and saving the manpower, material resources and time; and the drill bit is portable, can adjust the position of two drill bits according to the job requirement, is applicable to different job requirements, and the practicality is stronger.

Description

Double-drill bit on drilling machine

Technical Field

The utility model relates to a drilling machine drill bit technical field relates to a two drill bits on drilling machine.

Background

The drilling machine is a machine tool which mainly uses a drill to machine a hole on a workpiece. Typically the drill bit is rotated into a primary motion and the drill bit is moved axially into a feed motion. The drilling machine has simple structure and relatively low processing precision, can drill through holes and blind holes, replace special cutters and also can expand and ream holes or tap and other processing. In the machining process, the workpiece is fixed, the cutter moves, the center of the cutter is aligned with the center of the hole, and the cutter rotates (main motion). The drilling machine is characterized in that a workpiece is fixed and a cutter does rotary motion. The drilling machine is a universal machine tool with general purposes and can be used for drilling, reaming, tapping and the like on parts. When being furnished with the process equipment on the drilling machine, can also carry out the bore hole, join in marriage universal workstation and can also carry out drilling, reaming on the drilling machine. The drilling machine is mainly used for drilling holes (such as drilling, reaming, tapping and the like) on workpieces by using drill bits, different and few devices are needed in machinery manufacturing and various repair factories, and the commonly used drill bits mainly comprise twist drills, flat drills, center drills, deep hole drills and trepanning drills.

Chinese patent (No. CN207272255U, bulletin date: 2018.04.07) discloses a drill bit of a drilling machine capable of being quickly installed, the drill bit of the drilling machine capable of being quickly installed comprises an installation seat and drill bits, an installation hole matched with the drill bits is formed in the bottom of the installation seat, four groups of installation grooves are formed in the bottom of the installation seat and located outside the installation hole, limiting rods are movably installed in the installation grooves, the limiting rods are matched with the installation grooves in size, the tops of the limiting rods are movably connected with the installation grooves through rotating shafts, reset springs are fixedly installed on the inner sides of the bottoms of the limiting rods, two ends of the reset springs are fixedly connected with the inner walls of the installation grooves and the limiting rods respectively, limiting blocks are fixedly connected to the inner sides of the limiting rods, a pressing sleeve is fixedly arranged outside the installation sleeve, and the inner walls of.

The drill bit mechanism of the drilling machine capable of being rapidly installed in the patent document is simple, can be rapidly installed, is convenient to use and has a good effect. But only one drill bit is needed, and the working efficiency is low under the condition that a plurality of holes need to be drilled.

SUMMERY OF THE UTILITY MODEL

The utility model discloses according to the problem that prior art exists, a two drill bits on drilling machine are provided, the utility model aims to solve the technical problem that: how to guarantee that the drilling machine drill bit improves work efficiency under the condition that needs to process a plurality of holes.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides a two drill bits on drilling machine, includes transmission shaft and mount pad, its characterized in that be provided with the centre bore on the mount pad, the transmission shaft passes the centre bore, just the cover has the axle sleeve on the transmission shaft, left drill bit is installed in the lower left corner of mount pad, right drill bit is installed in the lower right corner of mount pad, just right drill bit runs through the mount pad.

The working principle is as follows: the utility model provides a banker's drill bit on drilling machine, includes window hole week and mount pad, is provided with the centre bore on the mount pad, and the transmission shaft passes the centre bore, and the cover has the axle sleeve on the transmission shaft, and the up end at the mount pad is fixed to the axle sleeve, and left drill bit is installed to the lower left corner of mount pad, and right drill bit is installed to the lower right corner of mount pad, and right drill bit runs through the mount pad. When the drill bit works, the motor drives the transmission shaft to rotate, the transmission shaft drives the left drill bit and the right drill bit to rotate, the drill bit is close to the material, and the purpose of drilling is achieved.

In the double-drill bit on foretell drilling machine, the mount pad includes end disc, activity dish, toothed disc and chassis, end disc, activity dish and toothed disc run through fixedly by last locating pin, toothed disc and chassis run through fixedly by lower locating pin, be provided with the round pin groove on the end disc, be fixed with the removable pin on the removable disc, just the removable pin activity is passed go up the round pin groove. And taking down the positioning pin, and poking the upper movable pin by hand to drive the movable disc to rotate so as to drive the right drill bit to move.

In the double-drill bit on the drilling machine, an upper bit shaft hole is formed in the upper end disc, the top end of the right drill bit penetrates through the upper bit shaft hole, a movable groove is formed in the lower portion of the upper end disc, an upper fixing piece is sleeved on the right drill bit, the upper fixing piece is fixed to the movable disc, and the upper fixing piece is movably installed in the movable groove. Due to the limitation of the movable slot, the right drill bit can only move within a certain range.

In the double-drill bit on the drilling machine, the top end of the left drill bit penetrates through the base plate and the gear plate, the left drill bit is sleeved with the lower fixing piece, the lower fixing piece is fixed on the base plate, a lower drill bit shaft hole is formed in the base plate, and the right drill bit movably penetrates through the lower drill bit shaft hole. The left drill bit is fixed on the chassis and can not move.

In the double-drill bit on the drilling machine, the transmission shaft is sleeved with the positioning shaft sleeve, the positioning shaft sleeve is sleeved with the transmission gear and the gasket, the positioning shaft sleeve penetrates through the central hole, and the lower end of the positioning shaft sleeve is connected with the shaft cap. Under the working state of the transmission shaft, the gear is driven to rotate through the positioning shaft sleeve.

In the double-drill bit on the drilling machine, the left gear is sleeved on the left drill bit, the right gear is sleeved on the right drill bit, and the transmission gear, the left gear and the right gear are meshed together.

Through the meshing of the transmission gear, the left gear and the right gear, the transmission gear drives the left gear and the right gear to rotate, so that the left drill bit and the right drill bit are driven to rotate.

In the double-drill bit on the drilling machine, the gear disc is provided with a left gear hole and a right gear hole, the left gear is located in the left gear hole, the right gear is located in the right gear hole, and the transmission gear is located in the central hole. The transmission gear, the left gear and the right gear are ensured to be positioned on the same horizontal plane, and the meshing effect is ensured.

Compared with the prior art, the double-drill bit on the drilling machine of the utility model changes the traditional single-drill bit on the drilling machine into the double-drill bit, thereby improving the working efficiency and saving the manpower, material resources and time; and the drill bit is portable, can adjust the position of two drill bits according to the job requirement, is applicable to different job requirements, and the practicality is stronger.

Drawings

FIG. 1 is a front view of the double-drill bit of the present drilling machine

FIG. 2 is a schematic top view of the dual-drill bit of the present drilling machine

FIG. 3 is a schematic view of the bottom view of the dual-drill bit of the present drilling machine

FIG. 4 is a partial schematic view of the double drill bit of the present drilling machine

FIG. 5 is a schematic view of the structure of the gear wheel disk of the double drill bit of the present drilling machine

In the figure 1, a transmission shaft; 2. a mounting seat; 21. an upper end disk; 211. an upper pin slot; 212. An upper drill bit shaft hole; 213. a movable groove; 22. a movable tray; 221. a movable pin; 23. a gear plate; 231. a left gear hole; 232. a right gear hole; 24. a chassis; 241. a lower drill shaft hole; 3a, a left drill bit; 3b, a right drill bit; 4. a shaft sleeve; 5. an upper positioning pin; 6. a lower locating pin; 7. an upper fixing member; 8. a lower fixing member; 9. positioning the shaft sleeve; 10. a transmission gear; 11. a gasket; 12. a shaft cap; 13. a left gear; 14. and a right gear.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the double-drill bit on the drilling machine comprises a transmission shaft 1 and a mounting seat 2, a center hole 2a is formed in the mounting seat 2, the transmission shaft 1 penetrates through the center hole 2a, a shaft sleeve 4 is sleeved on the transmission shaft 1, the shaft sleeve 4 is fixed on the upper end face of the mounting seat 2, a left drill bit 3a is installed on the lower end face of the mounting seat 2, and a right drill bit 3b penetrates through the mounting seat 2. The mounting seat 2 comprises an upper end disc 21, a movable disc 22, a gear disc 23 and a chassis 24, the upper end disc 21 and the gear disc 23 are fixedly penetrated by an upper positioning pin 5, the gear disc 23 and the chassis 24 are fixedly penetrated by a lower positioning pin 6, an upper pin groove 211 is formed in the upper end disc, a movable pin 221 is fixed on the movable disc 22, and the movable pin 221 movably penetrates through the upper pin groove 211. The upper end disc 21 is provided with an upper drill bit shaft hole 212, the top end of the right drill bit 3b movably penetrates through the upper drill bit shaft hole 212, the lower part of the upper end disc is provided with a movable groove 213, the right drill bit 3b is sleeved with an upper fixing piece 7, the upper fixing piece 7 is fixed on the movable disc 22, and the upper fixing piece 7 is movably arranged in the movable groove 213. If the work needs, the upper fixed pin 5 can be pulled out, the movable pin 221 can be pulled, the movable disc 22 rotates along with the movable pin, and the right drill bit 3b is driven to move, so that the position relation of the two drill bits is changed.

As shown in fig. 3, the top end of the left drill bit 3a penetrates through the bottom plate 24 and the gear plate 23, the lower fixing member 8 is sleeved on the left drill bit 3a, and the lower fixing member 8 is fixed on the bottom plate 24. The chassis 24 is provided with a lower bit shaft hole 241, and the right bit 3b movably passes through the lower bit shaft hole 241. So the left bit cannot move.

As shown in fig. 4 and 5, the transmission shaft 1 is sleeved with a positioning shaft sleeve 9, the positioning shaft sleeve 9 is sleeved with a transmission gear 10 and a washer 11, the positioning shaft sleeve 9 passes through the central hole 2a, and the lower end of the positioning shaft sleeve 8 is connected with a shaft cap 12. The left drill bit 3a is sleeved with a left gear 13, the right drill bit 1b is sleeved with a right gear 14, and the transmission gear 10, the left gear 13 and the right gear 14 are meshed together. The gear plate 23 is provided with a left gear hole 231 and a right gear hole 232, the left gear 13 is located in the left gear hole 231, the right gear 14 is located in the right gear hole 232, and the transmission gear is located in the central hole 2 a. In the working engineering, the transmission gear, the left gear and the right gear are positioned on the same horizontal plane, the transmission shaft 1 drives the transmission gear 10 to rotate, and the transmission gear 10 drives the seat gear 13 and the right gear 14 to rotate, so that the left drill bit 3a and the right drill bit 3b are driven to rotate.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although fig. 1, the drive shaft, is more used herein; 2. a mounting seat; 21. an upper end disk; 211. an upper pin slot; 212. an upper drill bit shaft hole; 213. a movable groove; 22. a movable tray; 221. a movable pin; 23. a gear plate; 231. a left gear hole; 232. a right gear hole; 24. a chassis; 241. a lower drill shaft hole; 3a, a left drill bit; 3b, a right drill bit; 4. a shaft sleeve; 5. an upper positioning pin; 6. a lower locating pin; 7. an upper fixing member; 8. a lower fixing member; 9. positioning the shaft sleeve; 10. a transmission gear; 11. a gasket; 12. a shaft cap; 13. a left gear; 14. Right gear, etc., without excluding the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a two drill bits on drilling machine, includes transmission shaft (1) and mount pad (2), its characterized in that, be provided with centre bore (2a) on mount pad (2), transmission shaft (1) passes centre bore (2a), just the cover has axle sleeve (4) on the transmission shaft, axle sleeve (4) are fixed the up end of mount pad (2), left drill bit (3a) are installed to the lower left corner of mount pad (2), right drill bit (3b) are installed to the lower right corner of mount pad (2), just right drill bit (3b) run through mount pad (2).

2. The double-drill bit on the drilling machine according to claim 1, wherein the mounting seat (2) comprises an upper end disc (21), a movable disc (22), a gear disc (23) and a base disc (24), the upper end disc (21) and the gear disc (23) are fixed by an upper positioning pin (5) in a penetrating manner, the gear disc (23) and the base disc (24) are fixed by a lower positioning pin (6) in a penetrating manner, an upper pin groove (211) is formed in the upper end disc, a movable pin (221) is fixed on the movable disc (22), and the movable pin (221) movably penetrates through the upper pin groove (211).

3. The twin drill bit of the drilling machine as claimed in claim 2, wherein the upper end disc (21) is provided with an upper bit shaft hole (212), the top end of the right drill bit (3b) movably penetrates through the upper bit shaft hole (212), the lower part of the upper end disc is provided with a movable groove (213), the right drill bit (3b) is sleeved with an upper fixing member (7), the upper fixing member (7) is fixed on the movable disc (22), and the upper fixing member (7) is movably mounted in the movable groove (213).

4. The twin drill bit of the drilling machine according to claim 3, wherein the top end of the left drill bit (3a) penetrates through the chassis (24) and the gear plate (23), the left drill bit (3a) is sleeved with a lower fixing member (8), the lower fixing member (8) is fixed on the chassis (24), a lower drill bit shaft hole (241) is formed in the chassis (24), and the right drill bit (3b) movably penetrates through the lower drill bit shaft hole (241).

5. The twin drill bit of the drilling machine according to claim 4, wherein the transmission shaft (1) is sleeved with a positioning shaft sleeve (9), the positioning shaft sleeve (9) is sleeved with a transmission gear (10) and a gasket (11), the positioning shaft sleeve (9) passes through the central hole (2a), and the lower end of the positioning shaft sleeve (9) is connected with a shaft cap (12).

6. The twin drill bit on a drilling machine according to claim 5, characterized in that the left drill bit (3a) is sleeved with a left gear (13), the right drill bit (3b) is sleeved with a right gear (14), and the transmission gear (10), the left gear (13) and the right gear (14) are meshed together.

7. The twin drill bit on a drilling machine according to claim 6, characterised in that the gear disc (23) is provided with a left gear hole (231) and a right gear hole (232), the left gear (13) being located in the left gear hole (231), the right gear (14) being located in the right gear hole (232), the transmission gear being located in the central hole (2 a).