CN220073330U

CN220073330U - Metal tapper convenient to change drill bit

Info

Publication number: CN220073330U
Application number: CN202321103227.XU
Authority: CN
Inventors: 孙朝遵
Original assignee: Suzhou Muhechun Machinery Technology Co ltd
Current assignee: Suzhou Muhechun Machinery Technology Co ltd
Priority date: 2023-05-10
Filing date: 2023-05-10
Publication date: 2023-11-24
Anticipated expiration: 2033-05-10

Abstract

The utility model discloses a metal tapper convenient for replacing a drill bit, which relates to the technical field of tappers and comprises a rotary head, wherein a drill bit groove is formed in the bottom surface of the rotary head, clamping cavities are formed in the left side and the right side of the inner wall of the drill bit groove, springs are fixedly connected to one sides of the inner walls of the two clamping cavities, telescopic rods are fixedly connected to the opposite ends of the two springs, and clamping blocks are fixedly connected to the opposite ends of the two telescopic rods.

Description

Metal tapper convenient to change drill bit

Technical Field

The utility model relates to the technical field of hole openers, in particular to a metal hole opener convenient for replacing a drill bit.

Background

The hole puncher is also called a hole puncher or a hole saw, and refers to a sawing type special circular saw for processing circular holes in modern industry or engineering, the operation is simple and flexible, the carrying is convenient and safe, the application is wide, the hole puncher can conveniently carry out random cutting of round holes, square holes, triangular holes, straight lines and curves on any curved surface such as the plane, the sphere and the like of various plates such as copper, iron, stainless steel, organic glass and the like, the metal puncher is not easy to damage, the carrying is convenient, the using mode is simple and convenient, the hole puncher is a hole puncher commonly used at present, and the metal puncher has drills with different specifications according to different punching requirements.

But traditional metal hole digger is when needs change the drill bit, will dismantle the key of drill bit and pull out, and rotatory tooth conversion just can take out the drill bit, and complex operation has increased operating personnel's the work degree of difficulty, has prolonged operating personnel's operating time, has reduced the result of use of equipment, and in addition traditional metal hole digger is when changing the drill bit, need upwards the drill bit, fish tail operating personnel easily, has reduced the security in the equipment use.

Disclosure of Invention

The utility model aims to provide a metal hole puncher convenient for replacing a drill bit, so as to solve the problems that when the drill bit is required to be replaced, a key for disassembling the drill bit is required to be pulled out, the drill bit can be taken out after the rotation teeth are converted, the operation is complicated, the working difficulty of operators is increased, the working time of the operators is prolonged, the using effect of equipment is reduced, and in addition, when the drill bit is required to be replaced, the conventional metal hole puncher is required to be upwards, the operators are easy to scratch, and the safety in the use process of the equipment is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a metal hole digger convenient to change drill bit, includes the rotating head, the drill bit groove has been seted up to the bottom surface of rotating head, the card chamber has all been seted up to the left and right sides of drill bit inslot wall, two the equal fixedly connected with spring in one side of card intracavity wall, two the equal fixedly connected with telescopic link of relative one end of spring, two the equal fixedly connected with fixture block of relative one end of telescopic link, two flexible chamber has all been seted up to the opposite one side in card chamber, two the opposite one end of telescopic link all runs through one side that the card intracavity wall extends to one side in flexible intracavity wall, two the bottom surface of telescopic link all is provided with extending structure, can avoid traditional metal hole digger to pull out the key of dismantling the drill bit when needs to change the drill bit, and rotatory tooth conversion just can take out the drill bit, complex operation's problem has reduced operating personnel's the degree of difficulty, has shortened operating personnel's operating time, has improved equipment's result of use.

Preferably, the telescopic structure comprises a first toothed plate, the top surface of first toothed plate and the bottom surface fixed connection of telescopic link, the bottom surface meshing of first toothed plate is connected with the gear, the inner wall of gear rotates and is connected with the connecting rod, both ends around the dwang respectively with flexible intracavity wall's front and back both sides fixed connection, the bottom surface meshing of gear is connected with the second toothed plate, one side that the one side of second toothed plate runs through flexible intracavity wall extends to the one side of rotating head, the inner wall joint in drill bit groove has the drill bit, the fixture block groove with fixture block assorted is all seted up to the left and right sides of drill bit, can avoid traditional metal tapping ware when changing the drill bit, need upwards the drill bit, the problem of easy fish tail operating personnel has improved the security in the equipment use.

Preferably, the upper sides of the inner walls of the telescopic cavities are provided with sliding grooves, and the inner walls of the sliding grooves are connected with the top surfaces of the corresponding telescopic rods in a sliding manner through one surfaces of the sliding blocks, so that devices in equipment can be protected.

Preferably, the opposite sides of the two second toothed plates are fixedly connected with pressing blocks, and the left side and the right side of the rotating head are positioned at the periphery of the pressing blocks and are clamped with protective shells, so that devices in the equipment can be prevented from being damaged.

Preferably, the top surface fixedly connected with stopper of drill bit, the spacing groove has been seted up to the upside of drill bit inslot wall, prevents that the drill bit from taking place the rotation in equipment use.

Preferably, a protection pad is fixedly connected to the upper side of the inner wall of the limit groove to prevent the damage of the device.

Preferably, the top surface of rotating head is equipped with the electric drill output, the upside of electric drill output is equipped with the auxiliary handle, the surface of auxiliary handle is equipped with the antiskid cover, has guaranteed the use function that basic punching, can prevent landing in the equipment use, has guaranteed stability and the security in the equipment use.

The utility model has the technical effects and advantages that:

1. through setting up rotating head, drill bit groove, card chamber, spring, telescopic link, fixture block, flexible chamber, first pinion rack, gear, dwang, second pinion rack, drill bit, fixture block groove, this equipment can avoid traditional metal hole digger when needs change the drill bit, to pull out the key of dismantling the drill bit, rotatory tooth conversion just can take out the drill bit, complex operation's problem has reduced operating personnel's the work degree of difficulty, operating personnel's operating time has been shortened, the result of use of equipment has been improved, can also avoid traditional metal hole digger to need upwards the drill bit when changing the drill bit, the problem of easy fish tail operating personnel, the security in the equipment use has been improved.

2. Through setting up flexible chamber, spout, telescopic link, second pinion rack, pressing piece, rotating head, protective housing, this equipment can protect the device in the equipment, prevents that the device in the equipment from being damaged, makes things convenient for operating personnel to use, has improved the comfort level when operating personnel used equipment, guarantees stability and the security in the equipment use.

3. Through setting up spacing groove, protection pad, rotating head, electric drill output, auxiliary handle, antiskid sleeve drill bit, stopper, drill bit groove, spacing groove, the device rotation in this equipment can the protection equipment influences the use of equipment to increased the result of use of equipment, guaranteed the use function of basic punching, can prevent landing in the equipment use, guaranteed stability and the security in the equipment use.

Drawings

Fig. 1 is a schematic diagram of the overall front cross-sectional structure of the present utility model.

Fig. 2 is an enlarged schematic view of the portion a in fig. 1 according to the present utility model.

Fig. 3 is a schematic diagram of the overall front structure of the present utility model.

Fig. 4 is a schematic perspective view of a drill bit according to the present utility model.

In the figure: 1. a rotating head; 2. a drill bit slot; 3. a cavity is blocked; 4. a spring; 5. a telescopic rod; 6. a clamping block; 7. a telescopic chamber; 8. a first toothed plate; 9. a gear; 10. a connecting rod; 11. a second toothed plate; 12. a drill bit; 13. a clamping block groove; 14. a chute; 15. a pressing block; 16. a protective shell; 17. a limiting block; 18. a limit groove; 19. a protective pad; 20. an electric drill output end; 21. an auxiliary handle; 22. an anti-skid sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a metal tapper convenient for bit replacement, as shown in fig. 1-4, which comprises a rotary head 1, wherein a bit groove 2 is formed in the bottom surface of the rotary head 1, the rotary head 1 is a cylinder with the upper side being cylindrical, the lower side being a cylinder with a round table shape, clamping cavities 3 are formed in the left side and the right side of the inner wall of the bit groove 2, springs 4 are fixedly connected to one sides of the inner walls of the two clamping cavities 3, telescopic rods 5 are fixedly connected to opposite ends of the two springs 4, clamping blocks 6 are fixedly connected to opposite ends of the two telescopic rods 5, the clamping blocks 6 are triangular prism-shaped blocks, telescopic cavities 7 are formed in opposite sides of the two clamping cavities 3, opposite ends of the two telescopic rods 5 extend to one side of the inner wall of the telescopic cavities 7, and telescopic structures are arranged on the bottom surfaces of the two telescopic rods 5, so that the problems that when a traditional metal tapper needs to replace a bit 12, a key for dismounting the bit 12 is required, the bit 12 can be taken out after the conversion of rotary teeth, complex operation is solved, the work of operators is difficult, the operators is shortened, the operation time of the operators is shortened, and the use effect of the equipment is improved.

As shown in fig. 1 and 2, the telescopic structure includes first pinion rack 8, the top surface of first pinion rack 8 and the bottom surface fixed connection of telescopic link 5, the bottom surface meshing of first pinion rack 8 is connected with gear 9, the inner wall rotation of gear 9 is connected with connecting rod 10, both ends around connecting rod 10 respectively with the front and back both sides fixed connection of telescopic chamber 7 inner wall, the bottom surface meshing of gear 9 is connected with second pinion rack 11, one side that the one side of second pinion rack 11 runs through the telescopic chamber 7 inner wall extends to the one side of rotating head 1, the inner wall joint of drill bit groove 2 has drill bit 12, the drill bit 12 is the upside and is cylindrical, the downside is conical object, the fixture block groove 13 with fixture block 6 assorted has all been seted up to the left and right sides of drill bit 12, can avoid traditional metal hole digger when changing drill bit 12, the problem that need upwards fish tail operating personnel easily, the security in the equipment use has been improved.

As shown in fig. 2, the upper sides of the inner walls of the two telescopic cavities 7 are provided with the sliding grooves 14, the inner walls of the two sliding grooves 14 are in sliding connection with the top surfaces of the corresponding telescopic rods 5 through one surfaces of the sliding blocks, the pressing blocks 15 are fixedly connected to the opposite surfaces of the two second toothed plates 11, the left side and the right side of the rotating head 1 are located on the periphery of the pressing blocks 15 and are clamped with the protective shell 16, the protective shell 16 is a shell with one side open, devices in equipment can be protected, the devices in the equipment are prevented from being damaged, the use of operators is facilitated, the comfort level of the operators in using the equipment is improved, and the stability and the safety in the use process of the equipment are guaranteed.

As shown in fig. 1, the top surface fixedly connected with stopper 17 of drill bit 12, limit groove 18 has been seted up to the upside of drill bit groove 2 inner wall, the upside fixedly connected with protection pad 19 of limit groove 18 inner wall, protection pad 19 is the rubber material, the top surface of rotating head 1 is equipped with electric drill output 20, the upside of electric drill output 20 is equipped with auxiliary handle 21, the surface of auxiliary handle 21 is equipped with antiskid cover 22, can protect the use of device autorotation influence equipment in the equipment, thereby increased the result of use of equipment, guaranteed the use function of basic punching, can prevent the landing in the equipment use, stability and the security in the equipment use have been guaranteed.

The working principle of the utility model is as follows: when the device is used, the electric driving equipment of the device is communicated with an external power supply through a circuit, and when a drill bit 12 needs to be replaced, the two pressing blocks 15 are pressed firstly, the pressing blocks 15 drive the second toothed plate 11 to shrink inwards, the second toothed plate 11 drives the gear 9 to rotate, the gear 9 drives the first toothed plate 8 to move towards the telescopic cavity 7, so that the telescopic rod 5 is driven to move towards the telescopic cavity 7, the clamping block 6 is driven to move, the fixation of the drill bit 12 is released, the pressing blocks 15 are loosened after the drill bit 12 is taken out, and the drill bit 12 is detached;

then the drill bit 12 to be replaced is inserted into the drill bit groove 2, the clamping block 6 is jacked up by the upper end of the drill bit 12, when the drill bit 12 is continuously inserted into the drill bit groove 2 upwards, the clamping block 6 is clamped in the clamping block groove 13 under the action of the spring 4, so that the drill bit 12 is fixed, then the electric drill output end 20 can be started, the rotary head 1 is driven to rotate, the drill bit 12 is driven to rotate, the auxiliary handle 21 is held for punching, and the drill bit 12 is replaced and punching work is finished.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A metal tapping device convenient for replacing a drill bit, comprising a rotary head (1), characterized in that: the utility model discloses a rotary head, including rotary head (1), drill bit groove (2), clamping cavity (3) have all been seted up to the bottom surface of rotary head (1), two clamping cavity (3) the equal fixedly connected with spring (4) in one side of inner wall, two the equal fixedly connected with telescopic link (5) of relative one end of spring (4), two the equal fixedly connected with fixture block (6) of relative one end of telescopic link (5), two telescopic cavity (7) have all been seted up on the opposite one side of clamping cavity (3), two the opposite one end of telescopic link (5) all runs through one side of clamping cavity (3) inner wall and extends to one side of telescopic cavity (7) inner wall, two the bottom surface of telescopic link (5) all is provided with extending structure.

2. A metal tapping machine for facilitating replacement of a drill bit according to claim 1, wherein: the telescopic structure comprises a first toothed plate (8), the top surface of the first toothed plate (8) is fixedly connected with the bottom surface of a telescopic rod (5), a gear (9) is connected to the bottom surface of the first toothed plate (8) in a meshed mode, a connecting rod (10) is connected to the inner wall of the gear (9) in a rotating mode, the front end and the rear end of the connecting rod (10) are fixedly connected with the front side and the rear side of the inner wall of a telescopic cavity (7) respectively, a second toothed plate (11) is connected to the bottom surface of the gear (9) in a meshed mode, one side of the second toothed plate (11) penetrates through one side of the inner wall of the telescopic cavity (7) and extends to one side of a rotary head (1), a drill bit (12) is connected to the inner wall of a drill bit groove (2) in a clamping mode, and clamping block grooves (13) matched with clamping blocks (6) are formed in the left side and the right side of the drill bit (12).

3. A metal tapping machine for facilitating replacement of a drill bit according to claim 1, wherein: the upper sides of the inner walls of the two telescopic cavities (7) are respectively provided with a sliding groove (14), and the inner walls of the two sliding grooves (14) are respectively connected with the top surfaces of the corresponding telescopic rods (5) in a sliding way through one surface of a sliding block.

4. A metal tapping machine for facilitating replacement of a drill bit according to claim 2, wherein: the opposite sides of the two second toothed plates (11) are fixedly connected with pressing blocks (15), and the left side and the right side of the rotating head (1) are positioned around the pressing blocks (15) and are clamped with protective shells (16).

5. A metal tapping machine for facilitating replacement of a drill bit according to claim 2, wherein: the top surface of drill bit (12) fixedly connected with stopper (17), limit groove (18) have been seted up to the upside of drill bit groove (2) inner wall.

6. A metal tapping machine for facilitating replacement of a drill bit according to claim 5, wherein: the upper side of the inner wall of the limit groove (18) is fixedly connected with a protection pad (19).

7. A metal tapping machine for facilitating replacement of a drill bit according to claim 1, wherein: the top surface of rotating head (1) is equipped with electric drill output (20), the upside of electric drill output (20) is equipped with auxiliary handle (21), the surface of auxiliary handle (21) is equipped with antiskid cover (22).