CN218396029U

CN218396029U - Four-hole tapping device convenient for replacing drill bit

Info

Publication number: CN218396029U
Application number: CN202221731804.5U
Authority: CN
Inventors: 许广涛
Original assignee: Ningbo Yijiang Precision Machinery Technology Co ltd
Current assignee: Ningbo Yijiang Precision Machinery Technology Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2023-01-31
Anticipated expiration: 2032-07-07

Abstract

The utility model discloses a four-hole tapping device convenient to change drill bit, including base, drill bit mechanism, locking mechanism and stop gear, electric lift rod has all been welded at base outer wall both ends, and is connected with the roof-rack on electric lift rod outer wall top, the motor is installed to roof-rack outer wall upper end, the mount is installed to roof-rack outer wall lower extreme, and wears to be equipped with the fluted disc on the mount top, the fluted disc top is connected with motor output, this four-hole tapping device convenient to change drill bit, through the setting of drill bit mechanism, must set up like this and can in time change through the convenient installation of the threaded connection of reverse setting or dismantle the drill bit body after the drill bit body is ageing or impaired to the setting of reverse screw thread also can not cause the influence to the work of drill bit body, can not drop, has improved the device's convenience in utilization and practicality effectively.

Description

Four-hole tapping device convenient for replacing drill bit

Technical Field

The utility model belongs to the technical field of the tapping is relevant, specifically be a four hole chasing bar convenient to change drill bit.

Background

Tapping refers to screwing a tap into a bottom hole to be drilled with certain torque to process internal threads, and rigid tapping is also called synchronous feed tapping. It is important to select a proper lubricant in tapping, and a tapping device is used as a common apparatus, and in order to improve the convenient replacement capability of a drill bit of a tapping device, a four-hole tapping device convenient for replacing the drill bit is provided.

The chasing bar that uses at present has the drill bit body to be difficult for changing, influences machining efficiency after ageing or the damage to quantity and the interval of equipment drill bit can not be adjusted in the use, the limited problem of working range.

Disclosure of Invention

An object of the utility model is to provide a four holes chasing bar convenient to change drill bit to solve the chasing bar of the present use that proposes in the above-mentioned background art, there is the drill bit body to be difficult for changing, influences machining efficiency after ageing or the damage, and the quantity and the interval of equipment drill bit can not be adjusted in the use, the limited problem of working range.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a four-hole chasing bar convenient to change drill bit, includes base, drill bit mechanism, locking mechanism and stop gear, electric lift rod has all been welded at base outer wall both ends, and electric lift rod outer wall top is connected with the roof-rack, the motor is installed to roof-rack outer wall upper end, the mount is installed to roof-rack outer wall lower extreme, and wears to be equipped with the fluted disc on the mount top, the fluted disc top is connected with the motor output, the fluted disc outer wall all meshes the gear, and the gear is fixed in the outer wall upper end of link, drill bit mechanism installs the outer wall bottom at the link, locking mechanism installs the outer wall both sides at the mount, base outer wall upper end is provided with the processing seat, stop gear installs the outer wall both ends at the processing seat.

Preferably, the drill bit mechanism includes transmission shaft, constant head tank and drill bit body, the transmission shaft is installed at the outer wall lower extreme of link, and the constant head tank has been seted up to transmission shaft outer wall lower extreme, the drill bit body is installed to the constant head tank inner wall.

Preferably, be threaded connection between drill bit body and the constant head tank, and assorted screw thread has all been seted up with drill bit body outer wall to the constant head tank inner wall.

Preferably, locking mechanism includes locking frame, spring, draws frame and locking inserted bar, the locking frame is installed on the outer wall of mount, and the welding of locking frame inner wall has the spring, the spring bottom is connected with draws the frame, draw frame outer wall bottom both sides all welding to have the locking inserted bar.

Preferably, the locking inserted bar and the locking frame form a telescopic structure through a spring, and the spring is arranged in an axisymmetric manner by taking the central axis of the locking frame as an axis.

Preferably, stop gear includes spacing, hand wheel, screw rod, stopper and tapered end, spacing is installed in the outer wall upper end of processing seat, and is provided with the hand wheel on the spacing outer wall, the hand wheel is connected with the screw rod downwards, and the screw rod is fixed in spacing inner wall upper end, screw rod outer wall cover is equipped with the stopper, and the stopper outer wall is connected with the tapered end.

Preferably, be threaded connection between stopper and the screw rod, and assorted screw thread has all been seted up to screw rod outer wall and stopper inner wall.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the four-hole tapping device convenient for replacing the drill bit, through the arrangement of the drill bit mechanism, the drill bit body can be conveniently and rapidly installed or detached through the reverse-arranged threaded connection, the drill bit body can be replaced in time after aging or damage, the reverse threads are arranged, the work of the drill bit body cannot be influenced, the drill bit body cannot fall off, and the use convenience and the practicability of the device are effectively improved;

2. this four hole chasing bar convenient to change drill bit, through locking mechanism's setting, such setting can come link and mount locking fixedly through the locking inserted bar cooperation spring in the locking mechanism with the elastic expansion structure of locking frame, when the interval and the quantity of drill bit body are changed to needs, can be convenient pull down the link is whole, the change includes the link of different drill bit quantity and interval, and be connected the cooperation with the fluted disc, the device's controllability has been improved effectively.

3. This four-hole chasing bar convenient to change drill bit, through stop gear's setting, such setting can be through the threaded connection of stopper cooperation screw rod, can carry out altitude mixture control on spacing under the control of hand wheel to it carries out the centre gripping fixedly to drive the tapered end with the material that needs carry out drilling work, avoids the material to produce the condition emergence that the skew leads to drilling failure in drilling work, has improved the device's job stabilization nature effectively.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the drill mechanism of the present invention;

FIG. 3 is a schematic view of the connection structure of the locking mechanism of the present invention;

fig. 4 is a schematic view of the connection structure of the limiting mechanism of the present invention.

In the figure: 1. a base; 2. an electric lifting rod; 3. a top frame; 4. a motor; 5. a fixed mount; 6. a fluted disc; 7. a gear; 8. a connecting end; 9. a drill mechanism; 901. a drive shaft; 902. positioning a groove; 903. a drill bit body; 10. a locking mechanism; 1001. a locking frame; 1002. a spring; 1003. pulling the frame; 1004. locking the inserted rod; 11. processing a base; 12. a limiting mechanism; 1201. a limiting frame; 1202. a hand wheel; 1203. a screw; 1204. a limiting block; 1205. a lock head.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a four-hole tapping device convenient for replacing a drill bit comprises a base 1, a drill bit mechanism 9, a locking mechanism 10 and a limiting mechanism 12, wherein electric lifting rods 2 are welded at two ends of the outer wall of the base 1, the top ends of the outer walls of the electric lifting rods 2 are connected with an upper frame 3, a motor 4 is installed at the upper end of the outer wall of the upper frame 3, a fixing frame 5 is installed at the lower end of the outer wall of the upper frame 3, a fluted disc 6 penetrates through the top end of the fixing frame 5, the top end of the fluted disc 6 is connected with the output end of the motor 4, gears 7 are meshed with the outer wall of the fluted disc 6, the gears 7 are fixed at the upper end of the outer wall of a connecting end 8, the drill bit mechanism 9 is installed at the bottom end of the outer wall of the connecting end 8, the drill bit mechanism 9 comprises a transmission shaft 901, a positioning groove 902 and a drill bit body 903, the transmission shaft 901 is installed at the lower end of the outer wall of the connecting end 8, the positioning groove 902 is formed in the lower end of the outer wall of the transmission shaft 901, the drill bit body 903 is installed on the inner wall of the positioning groove 902, the drill bit body 903 is in threaded connection with the positioning groove 902, matched threads are formed in the inner wall of the positioning groove 902 and the outer wall of the drill bit body 903, the drill bit body 903 can be installed or detached conveniently through reverse threaded connection, the drill bit body 903 can be replaced in time after the drill bit body 903 is aged or damaged, the reverse threaded connection cannot affect the work of the drill bit body 903 and cannot fall off, and the use convenience and the practicability of the device are effectively improved;

the locking mechanism 10 is installed on two sides of the outer wall of the fixed frame 5, the locking mechanism 10 comprises a locking frame 1001, a spring 1002, a pulling frame 1003 and locking insertion rods 1004, the locking frame 1001 is installed on the outer wall of the fixed frame 5, the spring 1002 is welded on the inner wall of the locking frame 1001, the pulling frame 1003 is connected to the bottom end of the spring 1002, the locking insertion rods 1004 are welded on two sides of the outer wall of the pulling frame 1003, the locking insertion rods 1004 and the locking frame 1001 form a telescopic structure through the spring 1002, and the spring 1002 is arranged in an axisymmetric mode by taking the central axis of the locking frame 1001 as the axis;

the outer wall upper end of base 1 outer wall is provided with processing seat 11, stop gear 12 is installed at the outer wall both ends of processing seat 11, stop gear 12 includes spacing frame 1201, hand wheel 1202, screw rod 1203, stopper 1204 and tapered end 1205, spacing frame 1201 installs the outer wall upper end at processing seat 11, and spacing frame 1201 outer wall upper end is provided with hand wheel 1202, hand wheel 1202 is connected with screw rod 1203 downwards, and screw rod 1203 fixes in spacing frame 1201 inner wall upper end, screw rod 1203 outer wall cover is equipped with stopper 1204, and stopper 1204 outer wall is connected with tapered end 1205, be threaded connection between stopper 1204 and the screw rod 1203, and assorted screw thread has all been seted up to screw rod 1203 outer wall and stopper 1204 inner wall, such setting can pass through the threaded connection of stopper 1204 cooperation screw rod 1203, can carry out altitude mixture control on spacing frame 1201 under the control of hand wheel 1202, thereby it is fixed to drive tapered end 1205 will need carry out the material centre gripping of drilling work, avoid in drilling work material to produce the skew and lead to the circumstances emergence of drilling failure, the job stabilization nature of the device has been improved effectively.

The working principle is as follows: firstly when this chasing bar needs to be used, the material that will carry out the tapping is placed in two sets of stop gear 12, screw connection through stopper 1204 cooperation screw 1203, can carry out altitude mixture control on spacing 1201 under the control of hand wheel 1202, thereby it is fixed to drive tapered end 1205 and carry out the centre gripping with the material that needs to carry out drilling work, then, open the switch of motor 4, motor 4 drives fluted disc 6 and rotates, thereby it carries out high-speed rotation to drive the drill bit body 903 of complex 7 with it and connecting down, begin to carry out drilling work, wherein, after drill bit body 903 is ageing or impaired, can change drill bit body 903 through the convenient of threaded connection's design, reverse threaded connection's installation also can not influence the work of drill bit body 903, secondly, carry out drilling operation with the fixed material below under the electric control of electric lift pole 2, at last change the regulation in the interval and the quantity that need to drill bit body 903, can cooperate the elastic telescopic structure of spring 1002 with the locking frame 1001 with the link 8 is dismantled with the link that the link 8 that the link contains different drill bits quantity and interval, and the link that the drill bit is connected with four fluted disc 6 is convenient for the use when the time of this kind of chasing bar is used.

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 four hole chasing bar convenient to change drill bit which characterized in that: including base (1), drill bit mechanism (9), locking mechanism (10) and stop gear (12), base (1) outer wall both ends all weld electric lift rod (2), and electric lift rod (2) outer wall top is connected with roof-rack (3), motor (4) are installed to roof-rack (3) outer wall upper end, mount (5) are installed to roof-rack (3) outer wall lower extreme, and wear to be equipped with fluted disc (6) on mount (5) top, fluted disc (6) top is connected with motor (4) output, fluted disc (6) outer wall all meshes gear (7), and gear (7) fix the outer wall upper end at link (8), the outer wall bottom at link (8) is installed in drill bit mechanism (9), the outer wall both sides in mount (5) are installed in locking mechanism (10), base (1) outer wall upper end is provided with processing seat (11), the outer wall both ends at processing seat (11) are installed in stop gear (12).

2. The four-hole threading device facilitating bit replacement of claim 1, wherein: the drill bit mechanism (9) comprises a transmission shaft (901), a positioning groove (902) and a drill bit body (903), the transmission shaft (901) is installed at the lower end of the outer wall of the connecting end (8), the positioning groove (902) is formed in the lower end of the outer wall of the transmission shaft (901), and the drill bit body (903) is installed on the inner wall of the positioning groove (902).

3. The four-hole threading device facilitating bit replacement of claim 2, wherein: be threaded connection between drill bit body (903) and constant head tank (902), and constant head tank (902) inner wall and drill bit body (903) outer wall all seted up assorted screw thread.

4. The four-hole threading device facilitating bit replacement of claim 1, wherein: locking mechanism (10) are including locking frame (1001), spring (1002), draw frame (1003) and locking inserted bar (1004), install on the outer wall of mount (5) locking frame (1001), and the welding of locking frame (1001) inner wall has spring (1002), spring (1002) bottom is connected with draws frame (1003), draw frame (1003) outer wall bottom both sides all to have welded locking inserted bar (1004).

5. The four-hole threading device facilitating bit replacement of claim 4, wherein: the locking inserted bar (1004) and the locking frame (1001) form a telescopic structure through the spring (1002), and the spring (1002) is arranged in an axisymmetric mode by taking the central axis of the locking frame (1001) as an axis.

6. The four-hole threading device facilitating bit replacement of claim 1, wherein: limiting mechanism (12) are including spacing (1201), hand wheel (1202), screw rod (1203), stopper (1204) and tapered end (1205), install in the outer wall upper end of processing seat (11) spacing (1201), and spacing (1201) outer wall upper end is provided with hand wheel (1202), hand wheel (1202) are connected with screw rod (1203) downwards, and screw rod (1203) fix in spacing (1201) inner wall upper end, screw rod (1203) outer wall cover is equipped with stopper (1204), and stopper (1204) outer wall connection has tapered end (1205).

7. The four-hole threading device facilitating bit replacement of claim 6, wherein: the limiting block (1204) is in threaded connection with the screw rod (1203), and matched threads are formed in the outer wall of the screw rod (1203) and the inner wall of the limiting block (1204).