CN218946443U

CN218946443U - Novel hole puncher

Info

Publication number: CN218946443U
Application number: CN202123141069.0U
Authority: CN
Inventors: 刘达; 胡学彦; 刘汝发
Original assignee: Foshan Clev Robot Co ltd
Current assignee: Foshan Clev Robot Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2023-05-02
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses a novel hole digger, which comprises: the drilling machine comprises a drilling bit and a constant force linear driving assembly, wherein a drilling hole is formed in the bottom of the drilling bit, teeth are arranged on the drilling hole, the linear driving direction of the constant force linear driving assembly is arranged along the axial direction of the drilling bit, two ends of the linear driving assembly are fixed ends and driving telescopic ends, the fixed ends are fixedly connected with the drilling bit, the driving telescopic ends face the opening direction of the drilling hole, and the driving telescopic ends are connected with ejector blocks. When the trepanning drill bit carries out trepanning, under the conflict of waste material in the middle of the hole site and kicking block, the flexible end of drive on the constant force straight line drive assembly moves the shrink along the degree of depth that the trepanning drill bit was bored to make the kicking block follow the opposite direction that the drilling was fed, how no matter how deep the drilling is, can make the mutual conflict dynamics between kicking block and the waste material keep invariable, effectively improve the precision of drilling, after the drilling is accomplished, release the waste material in the trepanning drill bit from the brill through the kicking block.

Description

Novel hole puncher

Technical Field

The utility model relates to the field of machining tools, in particular to a novel hole puncher.

Background

In the trompil processing in many fields, all can use the trompil ware, traditional trompil ware is when carrying out the trompil to the work piece, the produced waste material of trompil can often block inside the trompil ware drill bit, often need the manual work to utilize other instruments to take off the waste material of trompil ware drill bit inside, complex operation, machining efficiency is low, though appear some on the market can be automatic with the ejecting trompil ware of waste material of inside, but current trompil ware is all pushed the waste material ejecting through the elasticity of spring, when the trompil, the elasticity of spring can increase along with the trompil degree of depth of trompil ware, can produce the frictional force that is bigger and bigger at the conflict face of waste material like this, influence the precision of trompil, can rub even and produce the spark, there is the hidden danger of safety.

Disclosure of Invention

The present utility model aims to provide a novel hole digger which solves one or more technical problems existing in the prior art, and at least provides a beneficial choice or creation condition.

The technical scheme adopted for solving the technical problems is as follows:

the present utility model provides a novel hole digger, comprising: the drilling machine comprises a barrel-shaped drilling bit and a constant force linear driving assembly, wherein a drilling hole is formed in the bottom of the drilling bit, the constant force linear driving assembly is arranged in the drilling bit, the linear driving direction of the constant force linear driving assembly is arranged along the axial direction of the drilling bit, two ends of the linear driving assembly are a fixed end and a driving telescopic end, the fixed end is fixedly connected with the drilling bit, the driving telescopic end faces the opening direction of the drilling hole, and a jacking block is connected to the driving telescopic end.

The beneficial effects of the utility model are as follows: when the trepanning drill bit is used for trepanning, the trepanning is carried out through the drilling hole, under the interference of waste material in the middle of the hole site and the kicking block, the flexible end of drive on the constant force linear drive subassembly moves the shrink along the degree of depth that the trepanning drill bit was drilled, so that the kicking block moves along the opposite direction that the drilling was fed, no matter how deep the drilling is, can make the mutual interference dynamics between kicking block and the waste material keep invariable, can effectively improve the precision of drilling like this, after the drilling is accomplished, the flexible end of drive on the constant force linear drive subassembly is outwards extended, release the waste material in the trepanning drill bit from the drilling hole through the kicking block.

Wherein the drilling hole is provided with a cutting edge of tooth or diamond dust.

As a further improvement of the technical scheme, the top of the perforating drill bit is connected with a cutter handle, and the cutter handle and the perforating drill bit are coaxially arranged, so that the constant force linear driving assembly and the perforating drill bit are coaxially arranged. The trompil drill bit in this scheme passes through the handle of a knife and is connected with the drilling drive arrangement transmission of peripheral hardware to the installation of trompil drill bit of being convenient for.

As a further improvement of the technical scheme, an opening is formed in one end, connected with the perforating drill bit, of the cutter handle, an installation cavity extending along the axial direction is formed in the cutter handle, the opening is communicated with the installation cavity, a connecting hole is formed in the top of the perforating drill bit, the opening is communicated with the connecting hole, the constant force linear driving assembly is installed in the installation cavity, and the driving telescopic end can downwards extend out of the drilling hole.

The constant force linear driving assembly in the scheme can be arranged in the mounting cavity of the cutter handle, so that the size of the perforating drill bit can be reduced, and meanwhile, the perforating drill bit can be improved on the existing perforating drill bit.

As a further improvement of the technical scheme, a locking hole is formed in the peripheral wall of the cutter handle, a locking screw is connected with the locking hole in a threaded mode, and the locking screw is abutted to the constant force linear driving assembly after penetrating through the locking hole from outside to inside.

When the constant force linear driving assembly in the scheme is fixedly installed, the constant force linear driving assembly is sleeved into the installation cavity along the drilling hole, the connecting hole and the cavity hole in sequence and then locked and fixed through the locking screw, so that the installation is convenient.

Wherein the connecting hole is connected with the cavity opening, and the connecting hole and the cavity opening can be connected in a detachable way, such as a threaded connection.

As a further improvement of the above technical solution, the top block is rotatably connected with the driving telescopic end. The ejector block in this scheme rotates the setting with constant force linear drive subassembly relatively for ejector block and trompil drill bit also can rotate the setting relatively, when the trompil drill bit high-speed rotates and drills, static conflict each other between ejector block and the waste material, thereby can avoid producing relative friction between ejector block and the waste material.

As a further improvement of the above technical solution, a bearing is provided between the top block and the driving telescopic end. The bearing has been set up in this scheme to improve kicking block pivoted smoothness nature.

As a further improvement of the technical scheme, the constant force linear driving assembly is of a gas spring structure.

The scheme adopts a gas spring structure as a constant force linear driving component, and the gas spring structure is different from a common spring structure in that the expansion acting force of the gas spring structure is constant.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a cross-sectional view of one embodiment of an aperture apparatus provided by the present utility model;

FIG. 2 is a schematic view of an embodiment of a hole opener according to the present utility model;

fig. 3 is a schematic view of an embodiment of a hole digger according to the present utility model.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, if there is a word description such as "a plurality" or the like, the meaning of a plurality is one or more, and the meaning of a plurality is two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 3, the hole cutter of the present utility model makes the following embodiments:

the hole digger of this embodiment is including being barrel-shaped trompil drill bit 100, constant force linear drive subassembly, wherein the bottom of trompil drill bit 100 is provided with bore 110, bore 110 is provided with tooth 111, constant force linear drive subassembly sets up in trompil drill bit 100, constant force linear drive subassembly's linear drive direction is along the axial setting of trompil drill bit 100, specifically, the linear drive subassembly both ends are stiff end and drive flexible end, stiff end and trompil drill bit 100 fixed connection, drive flexible end orientation bore 110's opening direction, just drive flexible end is connected with ejector block 200, and when trompil drill bit 100 carries out the trompil processing, bore 110 through tooth 111 on bore 110, under the waste material in the middle of the hole site and the conflict of ejector block 200, the drive flexible end on the constant force linear drive subassembly is followed the degree of depth shrink that the trompil drill bit 100 was bored to make ejector block 200 along the reverse direction that the drilling was fed, what the degree of depth what can make between ejector block 200 and the waste material keeps invariable, like this can effectively improve the mutual conflict dynamics between the ejector block 200 and the waste material after the straight line drive 200 is stretched out from the top block 100 when the expansion of the trompil is driven to the top end is stretched out in the perforation bit 100.

In order to facilitate the installation of the hole drilling bit 100, the top of the hole drilling bit 100 is connected with the tool holder 300, the tool holder 300 and the hole drilling bit 100 are coaxially arranged, so that the constant force linear driving assembly and the hole drilling bit 100 are coaxially arranged, an end, connected with the hole drilling bit 100, of the tool holder 300 is provided with a cavity opening 310, an installation cavity 320 extending along an axial direction is arranged in the tool holder 300, the cavity opening 310 is communicated with the installation cavity 320, the top of the hole drilling bit 100 is provided with a connecting hole 120, the cavity opening 310 is communicated with the connecting hole 120, the constant force linear driving assembly is installed in the installation cavity 320, the driving telescopic end can downwards extend out of the drilling hole 110, the constant force linear driving assembly can be installed in the installation cavity 320 of the tool holder 300, and therefore the volume of the hole drilling bit 100 can be reduced, meanwhile, the constant force linear driving assembly in the embodiment is a gas spring structure 400, the gas spring structure 400 is different from a common spring structure, the acting force of the gas spring structure 400 is constant, and in some electric embodiments can be adopted.

Further, a locking hole 330 is formed in the peripheral wall of the tool holder 300, the locking hole 330 is in threaded connection with a locking screw 331, the locking screw 331 passes through the locking hole 330 from outside to inside and then abuts against the constant force linear driving assembly, and when the constant force linear driving assembly is fixedly installed, the constant force linear driving assembly is sleeved into the installation cavity 320 from the position along the drilling hole 110, the connecting hole 120 and the cavity opening 310 in sequence, and then the constant force linear driving assembly is locked and fixed through the locking screw 331, so that the installation is convenient.

And the top block 200 is rotatably connected with the driving telescopic end, so that the top block 200 and the constant force linear driving assembly can be relatively rotated, the top block 200 and the hole drilling bit 100 can be relatively rotated, and when the hole drilling bit 100 rotates at a high speed for drilling, the top block 200 and the waste are in static interference with each other, and relative friction between the top block 200 and the waste can be avoided.

Further, in order to improve the smoothness of the rotation of the top block 200, a bearing 210 is provided between the top block 200 and the driving telescopic end.

In other embodiments, the drill hole 110 is provided with diamond grains.

While the preferred embodiments of the present utility model have been illustrated and described, the present utility model is not limited to the embodiments, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present utility model, and these are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims

1. A novel hole digger, characterized in that: it comprises the following steps: the drilling machine comprises a barrel-shaped perforating drill bit (100) and a constant force linear driving assembly, wherein a drilling hole (110) is formed in the bottom of the perforating drill bit (100), the constant force linear driving assembly is arranged in the perforating drill bit (100), the linear driving direction of the constant force linear driving assembly is arranged along the axial direction of the perforating drill bit (100), two ends of the linear driving assembly are fixed ends and driving telescopic ends, the fixed ends are fixedly connected with the perforating drill bit (100), the driving telescopic ends face the opening direction of the drilling hole (110), and the driving telescopic ends are connected with ejector blocks (200).

2. A novel hole opener according to claim 1, characterized in that: the top of the perforating drill bit (100) is connected with a cutter handle (300), and the cutter handle (300) and the perforating drill bit (100) are coaxially arranged, so that the constant force linear driving assembly and the perforating drill bit (100) are coaxially arranged.

3. A novel hole opener according to claim 2, characterized in that: the utility model discloses a drilling tool, including handle of a knife (300), trompil drill bit (100), handle of a knife (300), one end that handle of a knife (300) is connected is provided with accent (310) be provided with in handle of a knife (300) along axially extending's installation cavity (320), accent (310) with installation cavity (320) intercommunication connecting hole (120) have been seted up at the top of trompil drill bit (100), accent (310) with connecting hole (120) intercommunication, constant force straight line drive assembly installs in installation cavity (320), drive flexible end can downwards stretch out and bore (110).

4. A novel hole opener according to claim 2, characterized in that: the locking device is characterized in that a locking hole (330) is formed in the peripheral wall of the knife handle (300), the locking hole (330) is in threaded connection with a locking screw (331), and the locking screw (331) passes through the locking hole (330) from outside to inside and then is abutted against the constant force linear driving assembly.

5. A novel hole opener according to claim 3, characterized in that: the connecting hole (120) is connected with the cavity opening (310).

6. A novel hole opener according to claim 1, characterized in that: the top block (200) is rotatably connected with the driving telescopic end.

7. The novel hole digger of claim 6, wherein: a bearing (210) is arranged between the top block (200) and the driving telescopic end.

8. A novel hole opener according to any one of claims 1 to 7, characterized in that: the constant force linear drive assembly is a gas spring structure (400).

9. A novel hole opener according to claim 8, characterized in that: the drill hole (110) is provided with a cutting edge of tooth or diamond grains.