CN219900372U

CN219900372U - Alloy steel drill bit for producing parts by heterojunction battery

Info

Publication number: CN219900372U
Application number: CN202321697602.8U
Authority: CN
Inventors: 崔日
Original assignee: Hefei Zhijie Precision Equipment Co ltd
Current assignee: Hefei Zhijie Precision Equipment Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-10-27
Anticipated expiration: 2033-06-30

Abstract

The utility model relates to the technical field of drills and discloses an alloy steel drill bit for producing parts of heterojunction batteries, which comprises a drill shank, a drill body and a drill tip, wherein a fixing rod is fixedly connected to the middle of the top of the drill shank, the bottom end of the drill shank is fixedly connected with the drill body through a fixing sleeve, the two ends of the drill body are fixedly connected with the drill tip, the bottom end of the drill shank is movably connected with a rotating rod, one end of the rotating rod is fixedly connected with the middle of the drill body, and the other end of the rotating rod is fixedly connected with a rotating handle. This an alloy steel drill bit for heterojunction battery production spare part through the setting of drill shank, bore body, drill bit and rotary rod, and this alloy steel drill bit can be quick realization drill point change operation when drilling the spare part that is arranged in heterojunction battery production facility, makes this alloy steel drill bit need not pull down whole when changing, and then can improve the work efficiency of this alloy steel drill bit.

Description

Alloy steel drill bit for producing parts by heterojunction battery

Technical Field

The utility model relates to the technical field of drill bits, in particular to an alloy steel drill bit for producing parts by heterojunction batteries.

Background

The heterojunction solar cell needs to be subjected to the technological processes of silicon wafer cutting, chain cleaning, chain type gettering, cleaning texturing, PEVCD coating and the like in the production process. In the prior art, when the PEVCD technology is adopted to coat the heterojunction battery, a spray plate or a spray bracket is adopted to uniformly spray coating materials on the battery piece, and the spray plate or the spray bracket is generally made of metal and can be perforated on the spray plate or the spray bracket during production. The prior art patent application CN202222793657.0 proposes a metal working drill bit comprising: the blade part and the handle part are fixedly connected to the top end of the blade part, and the upper end of the blade part is rotationally connected with the mounting plate through a bearing; the upper end of the support column is fixedly connected with a spring, and the upper end of the spring is fixedly connected with the lower end of the mounting plate; and the shielding plate is in a ring shape, is sleeved on the outer side of the blade part, has an inner diameter larger than the diameter of the blade part and is arranged on the side wall of the support column through the sliding sleeve.

Because holes with different apertures can be drilled on the spray plate or the spray bracket during production, the blade part is required to be removed and a proper drill bit is replaced when the spray plate or the spray bracket is processed by adopting the scheme, so that the punching efficiency of the spray plate or the spray bracket is reduced; when the drill bit in the scheme is used, the end of the blade part, which is far away from the handle part, is mainly used for cutting the metal plate, the end part of the blade part is extremely easy to wear, and because the blade part is integrated, when the end part of the blade part is worn to a certain extent, the whole blade part needs to be replaced, other parts of the blade part cannot be used continuously, so that the resource is wasted.

Disclosure of Invention

The utility model provides an alloy steel drill bit for producing parts by using heterojunction batteries, which solves the problems of low blade replacement efficiency and reduced working efficiency of the drill bit in the prior art; the blade part is integral, and when the end part of the blade part is worn to a certain extent, the whole blade part needs to be replaced, so that the problem of resource waste is caused.

The utility model provides the following technical scheme: the alloy steel drill bit for the heterojunction battery production parts is of a split type structure and comprises a drill handle, a drill body and a drill bit, wherein the drill handle is movably connected with the drill body, the drill bits are fixed at two ends of the drill body, the drill bit can be quickly replaced by rotating the drill body, and the alloy steel drill bit is convenient to be used for punching the parts for the heterojunction battery production equipment; the drill bit and the drill body form the blade part of the drill bit, the drill bit is in threaded connection with the drill body, the operation of drilling different holes by using the alloy steel drill bit can be realized by replacing the drill bit, and the practicability of the alloy steel drill bit is improved.

The alloy steel drill bit for the heterojunction battery production parts comprises a drill handle, a drill body and a drill tip, wherein a fixing rod is fixedly connected to the middle of the top of the drill handle, the bottom end of the drill handle is fixedly connected with the drill body through a fixing sleeve, the two ends of the drill body are fixedly connected with the drill tip, the bottom end of the drill handle is movably connected with a rotating rod, one end of the rotating rod is fixedly connected with the middle of the drill body, the other end of the rotating rod is fixedly connected with a rotating handle, and the outer side of the bottom end of the drill handle is provided with a limiting structure for fixing the rotating handle;

the limiting structure comprises a limiting plate fixedly connected with the drill handle, a movable plate movably connected with the inner side of the limiting plate and a limiting rod fixedly connected with the outer side of the movable plate, wherein the movable plate is fixedly connected with the drill handle through a spring, and through holes matched with the limiting rod are formed in the middle of two ends of the rotary handle.

Preferably, the drill shank is of a U-shaped structure, the fixing sleeve is movably connected with one side of the bottom end of the inner cavity of the drill shank, and the rotary rod is movably connected with the other side of the bottom end of the inner cavity of the drill shank.

Preferably, the center line of the fixing rod and the center line of the drill body are in the same straight line.

Preferably, the two limiting plates are arranged, the movable plate is arranged between the two limiting plates, the movable plate is in contact with the limiting plates, a spring is fixedly connected with the middle part of one end of the movable plate, which is close to the drill handle, and a limiting rod is fixedly connected with one end of the movable plate, which is close to the rotary handle.

Preferably, the distance between the center line of the limiting rod and the center line of the rotating rod is smaller than the distance between the outer side wall of the rotating handle and the center line of the rotating handle.

Preferably, the spring is in a compressed state.

Preferably, the drill point is connected with the drill body through bolts, positioning grooves matched with the end parts of the drill point are formed in two ends of the drill body, and fixing holes matched with the rotating rods are formed in the middle of the drill body.

Compared with the prior art, the utility model has the following beneficial effects:

1. this an alloy steel drill bit for heterojunction battery production spare part through the setting of drill shank, bore body, drill bit and rotary rod, and this alloy steel drill bit can be quick realization drill bit change operation when drilling the spare part that is arranged in heterojunction battery production facility, makes this alloy steel drill bit need not pull down this drill bit when changing, and then can improve the work efficiency of this alloy steel drill bit.

2. According to the alloy steel drill bit for the heterojunction battery production parts, the rotating handle can be limited through the arrangement of the limiting structure, so that the rotating handle cannot realize axial movement in the working process of the alloy steel drill bit, and the stability of a drill point is improved; through the setting of twist grip size, the twist grip rotates the in-process, and the gag lever post can be with twist grip automatic locking under the effect of spring resilience, has omitted the operation of piling up gag lever post and through-hole, improves the efficiency that the drill point was changed.

Drawings

FIG. 1 is a schematic diagram of the front of the structure of the present utility model;

FIG. 2 is a schematic view of a structural drill shank of the present utility model;

FIG. 3 is an exploded view of FIG. 2, which is a block diagram of the present utility model;

FIG. 4 is an exploded view of the drill body and drill tip of the present utility model;

FIG. 5 is a rotary schematic view of a drill bit of the present utility model;

fig. 6 is a right side schematic view of the structure of the present utility model in fig. 5.

In the figure: 1. a drill shank; 2. a fixed rod; 3. a fixed sleeve; 4. drilling a drill body; 5. a drill tip; 6. a rotating rod; 7. rotating the handle; 8. a through hole; 9. a movable plate; 10. a limiting plate; 11. a limit rod; 12. a spring; 13. and a fixing hole.

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 proposes an embodiment: the utility model relates to an alloy steel drill bit for producing parts of heterojunction batteries, which comprises a drill handle 1, a drill body 4 and a drill tip 5, wherein the drill handle 1, the drill body 4 and the drill tip 5 are all made of alloy steel, when the alloy steel drill bit is used, the drill handle 1 rotates to drive the drill body 4 to rotate, the drill body 4 drives the drill tip 5 connected with the drill body to rotate, and then a spraying bracket or a spraying plate in a spraying system used for producing heterojunction batteries can be perforated.

The drill shank 1 is of a U-shaped structure, the middle part of the top of the drill shank 1 is fixedly connected with the fixing rod 2, and the alloy steel drill bit and corresponding punching equipment can be fixed together by using the fixing rod 2. One side fixedly connected with fixed cover 3 of drill shank 1 inner chamber bottom, the middle part fixedly connected with of fixed cover 3 inner chamber bores body 4, and the central line of dead lever 2 is in same straight line with the central line of bore body 4, is convenient for the use of this alloy steel drill bit.

The drill point 5 and the drill body 4 are connected through bolts, positioning grooves matched with the end parts of the drill point 5 are formed in the two ends of the drill body 4, the drill point 5 and the drill body 4 can be quickly arranged by the aid of the positioning grooves, the drill point 5 is convenient to install, in practical application, the shapes of the drill points 5 at the two ends of the drill body 4 can be different, holes with different diameters can be drilled by the alloy steel drill bit, and practicality of the alloy steel drill bit is improved.

The middle part of boring body 4 is equipped with fixed orifices 13, the intracavity fixedly connected with rotary rod 6 of fixed orifices 13, the opposite side of rotary rod 6 runs through the opposite side of boring handle 1 bottom inner chamber and extends to the outside of boring handle 1, and rotary rod 6 and boring handle 1 swing joint, the other end fixedly connected with twist grip 7 of rotary rod 6, through the setting of rotary rod 6 and twist grip 7, the user can drive rotary rod 6 through twist grip 7 and rotate, can drive boring body 4 and rotate when rotary rod 6 rotates, and then the position of the drill point 5 that makes boring body 4 both ends takes place to change, make this application when using, the drill point 5 can be quick change, be favorable to spraying the processing of board or spray support.

The outside of the end of the drill shank 1 close to the rotary handle 7 is provided with a limiting structure for fixing the rotary handle 7.

The limiting structure comprises two limiting plates 10, a movable plate 9, a spring 12 and a limiting rod 11.

Limiting plate 10 and drill shank 1 fixed connection, spring 12 are located between two limiting plates 10, and spring 12's one end and drill shank 1 fixed connection, spring 12's the other end and fly leaf 9 fixed connection, fly leaf 9 are located between two limiting plates 10, and fly leaf 9 and limiting plate 10 contact, and spring 12 is in the state of compression, and under spring 12 resilience force, fly leaf 9 and limiting plate 10 keep away from the inseparable laminating of one end of drill shank 1.

The other end fixedly connected with gag lever post 11 of fly leaf 9, the middle part at twist grip 7 both ends all is equipped with the through-hole 8 with gag lever post 11 adaptation, and when gag lever post 11 inserts in the inner chamber of through-hole 8, the position fixing of twist grip 7, and then make the fixed position of bore body 4, the use of this alloy steel drill bit of being convenient for.

And the distance between the central line of the spacing rod 11 and the central line of the rotary rod 6 is smaller than the distance between the outer side wall of the rotary handle 7 and the central line of the rotary handle 7, so that the spacing rod 11 and the rotary handle 7 are always in a contact state, when the drill body 4 is required to be rotated, a user presses the movable plate 9 inwards, the movable plate 9 drives the spacing rod 11 to be far away from the rotary handle 7, when the user rotates the rotary handle 7 to separate the through hole 8 from the spacing rod 11, the restriction on the movable plate 9 is relieved, at the moment, the spacing rod 11 is in contact with the rotary handle 7 again under the resilience force of the spring 12, when the other through hole 8 is overlapped with the spacing rod 11, the spacing rod 11 can be inserted into the through hole 8 under the resilience force of the spring 12, so that the spacing rod 11 can automatically limit and fix the rotary handle 7, and the efficiency of the application in use is improved.

In summary, when the alloy steel drill bit for producing parts of heterojunction batteries provided by the utility model is used, the limiting structure is utilized to limit the rotary handle 7, the rotary rod 6 and the drill body 4, so that the central lines of the drill body 4, the drill tip 5 and the fixed rod 2 are positioned on the same straight line, and the rotation of the fixed rod 2 can drive the drill body 4 and the drill tip 5 to rotate, thereby realizing the punching operation of the alloy steel drill bit; when the drill point 5 needs to be changed, a user presses the movable plate 9 inwards, the movable plate 9 drives the limiting rod 11 fixedly connected with the movable plate 9 to be far away from the rotary handle 7, when the limiting rod 11 is separated from the rotary handle 7, the user rotates the rotary handle 7, so that the through holes are staggered with the limiting rod 11, the limiting of the movable plate 9 is released, at the moment, under the action of the resilience force of the springs 12, the limiting rod 11 is tightly attached to the rotary handle 7, when the positions of the drill points 5 at the two ends of the drill body 4 are exchanged, the other through holes 8 are overlapped with the limiting rod 11, the resilience force of the springs 12 pushes the limiting rod 11 to be inserted into the inner cavity of the through holes 8, the position of the rotary handle 7 is fixed, the positions of the drill body 4 and the drill point 5 are fixed, and the alloy steel drill bit can be continuously used.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an alloy steel drill bit for heterojunction battery production spare part, includes drill shank (1), bore body (4) and drill point (5), its characterized in that: the middle part fixedly connected with dead lever (2) at drill shank (1) top, the bottom of drill shank (1) is through fixed cover (3) fixedly connected with boring body (4), the both ends of boring body (4) all fixedly connected with boring tip (5), the bottom swing joint of drill shank (1) has rotary rod (6), the middle part fixedly connected with of one end and boring body (4) of rotary rod (6), the other end fixedly connected with twist grip (7) of rotary rod (6), the outside of drill shank (1) bottom is equipped with the limit structure of fixed twist grip (7);

the limiting structure comprises a limiting plate (10) fixedly connected with the drill shank (1), a movable plate (9) movably connected with the inner side of the limiting plate (10) and a limiting rod (11) fixedly connected with the outer side of the movable plate (9), wherein the movable plate (9) is fixedly connected with the drill shank (1) through a spring (12), and through holes (8) matched with the limiting rod (11) are formed in the middle of two ends of the rotary handle (7).

2. An alloy steel drill bit for heterojunction cell production parts as claimed in claim 1, wherein: the drill handle (1) is of a U-shaped structure, the fixing sleeve (3) is movably connected with one side of the bottom end of the inner cavity of the drill handle (1), and the rotating rod (6) is movably connected with the other side of the bottom end of the inner cavity of the drill handle (1).

3. An alloy steel drill bit for heterojunction cell production parts as claimed in claim 1, wherein: the center line of the fixed rod (2) and the center line of the drill body (4) are positioned on the same straight line.

4. An alloy steel drill bit for heterojunction cell production parts as claimed in claim 1, wherein: limiting plates (10) are two, movable plate (9) are located between two limiting plates (10), just movable plate (9) contact with limiting plates (10), the middle part fixedly connected with spring (12) of the one end that movable plate (9) is close to drill shank (1), the one end fixedly connected with gag lever post (11) that movable plate (9) is close to twist grip (7).

5. An alloy steel drill bit for heterojunction cell production parts as claimed in claim 1, wherein: the distance between the center line of the limiting rod (11) and the center line of the rotary rod (6) is smaller than the distance between the outer side wall of the rotary handle (7) and the center line of the rotary handle (7).

6. An alloy steel drill bit for heterojunction cell production parts as claimed in claim 1, wherein: the spring (12) is in a compressed state.

7. An alloy steel drill bit for heterojunction cell production parts as claimed in claim 1, wherein: the drill point (5) is connected with the drill body (4) through bolts, positioning grooves matched with the end parts of the drill point (5) are formed in the two ends of the drill body (4), and a fixing hole (13) matched with the rotary rod (6) is formed in the middle of the drill body (4).