CN210878592U

CN210878592U - Machining drill bit installation mechanism

Info

Publication number: CN210878592U
Application number: CN201920761128.8U
Authority: CN
Inventors: 陈曦嵩
Original assignee: Chengdu Jinda Xinchen Mechanical Equipment Co ltd
Current assignee: Chengdu Jinda Xinchen Mechanical Equipment Co ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-06-30
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses a machining drill bit mounting mechanism, which comprises a first mounting block, wherein a first slot is arranged inside the first mounting block, two sides of the first slot are respectively provided with a second groove, a second mounting block is fixed at the bottom of the first mounting block, a second slot is arranged inside the second mounting block, two sides of the second slot are provided with a first groove, the first groove and the second groove are communicated with each other, a clamping seat is fixed at the bottom of the second mounting block, two sides inside the clamping seat are respectively vertically provided with a movable groove, the top of the movable groove is provided with a connecting hole, the utility model discloses a movable groove is arranged inside the clamping seat, a clamping block is rotated to the inner side of the first groove through a drill bit, the rotation of the drill bit is further limited by the bolt to the limiting of the clamping block, so that the hardness of some metal workpieces is higher, the torsion borne by the drill bit in the using process can be borne, so that the drill bit and the clamp are fixed more stably.

Description

Machining drill bit installation mechanism

Technical Field

The utility model relates to a machining art field specifically is a machining drill bit installation mechanism.

Background

The drilling machine is mainly usedDrill bitFor making holes in workMachine tool. 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 the advantages of simple structure,machining accuracyRelatively low, can drill through holes and blind holes and is special for replacementCutting toolThe method can be used for expanding, reaming or tapping. 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, a cutter rotates, and the installation and fixation of a drill bit are important for the drilling machine.

The prior art has defects in the using process:

1. in the prior art, in mechanical processing, drilling is carried out by using a drilling device in a common processing mode, and an existing drill bit is generally connected in a clamping mode.

2. The drill bit in the use process of the prior art needs to be detached from the fixed rotating fixture through a special key, the fixture cannot be detached when the key is lost, the drill bit cannot be replaced, and the use of workers in the working process is greatly inconvenient, so that the working efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a machining drill bit installation mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a machining drill bit mounting mechanism comprises a first mounting block, wherein a first slot is formed in the first mounting block, second grooves are formed in two sides of the first slot respectively, a second mounting block is fixed at the bottom of the first mounting block, a second slot is formed in the second mounting block, first grooves are formed in two sides of the second slot, the first grooves are communicated with the second grooves, a clamping seat is fixed at the bottom of the second mounting block, movable grooves are vertically formed in two sides of the inner portion of the clamping seat respectively, a connecting hole is formed in the top of each movable groove, each movable groove is communicated with the corresponding first groove through the corresponding connecting hole, the top of a bolt penetrates through the corresponding connecting hole and is inserted into the corresponding first groove, a circular plate is fixed on the outer circumferential wall of the bottom of the bolt, and a spring is sleeved outside the bolt, one end of the spring is fixed on the lower surface of the top of the inner wall of the movable groove, the other end of the spring is fixed on the top of the annular plate, an inclined block is fixed at the bottom of the bolt, threaded grooves are formed in one sides of the inner portions of the two movable grooves, screws are connected to the inner threads of the threaded grooves in a threaded mode, a conical block is fixed at one end, close to the movable grooves, of each screw, a clamping block is fixed at the bottom of the drill bit, and the drill bit is inserted into the first inserting groove through the clamping block.

Preferably, the inclined surface of the tapered block and the inclined surface of the inclined block are mutually attached.

Preferably, the diameter of the drill bit is smaller than the aperture size of the first slot by 0.2 cm. The second slot has the same aperture as the first slot.

Preferably, the fixture block and the second groove are matched with each other for use.

Preferably, the screw is an inner cross-recessed screw.

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

1. the utility model discloses a movable groove has been seted up in the inside of cassette, passes through the drill bit rotation to the inboard of first recess with the fixture block, through the rotation of bolt to the spacing further restriction drill bit of fixture block for some metal work piece hardness of processing are great, can bear the torsion that the drill bit receives in the use, make the fixed more stable between drill bit and the anchor clamps.

2. The utility model discloses a movable groove has been seted up in the inside of cassette, makes the bolt produce the displacement through screwing up the screw and carries on spacingly to the fixture block, then the screw is interior cross recess screw, can directly implement fixedly to the drill bit through rotatory screw, no longer uses single special key for the operation of production also can be carried out through the screwdriver in the in-process of key loss.

Drawings

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

FIG. 2 is a front view of the drill bit of the present invention;

FIG. 3 is a schematic view of a first mounting block structure of the present invention;

fig. 4 is a schematic diagram of a second mounting block structure according to the present invention.

In the figure: 1-a first mounting block; 2-a first groove; 3-a second groove; 4-inserting a pin; 5-connecting holes; 6-a spring; 7-a ring plate; 8-oblique blocks; 9-a movable groove; 10-a conical block; 11-thread groove; 12-a screw; 13-a cassette; 14-a second mounting block; 15-a first slot; 16-a drill bit; 17-a cartridge; 18-second slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a machining drill bit mounting mechanism comprises a first mounting block 1, a first slot 15 is formed in the first mounting block 1, second grooves 3 are formed in two sides of the first slot 15 respectively, a second mounting block 14 is fixed at the bottom of the first mounting block 1, a second slot 18 is formed in the second mounting block 14, first grooves 2 are formed in two sides of the second slot 18, the first grooves 2 and the second grooves 3 are communicated with each other, a clamping seat 13 is fixed at the bottom of the second mounting block 14, movable grooves 9 are vertically formed in two sides of the inner part of the clamping seat 13 respectively, a connecting hole 5 is formed in the top of each movable groove 9, the movable grooves 9 are communicated with the first grooves 2 through the connecting holes 5, the top of a bolt 4 penetrates through the connecting holes 5 to be inserted into the first grooves 2, an annular plate 7 is fixed on the circumferential outer wall of the bottom of the bolt 4, and a spring 6 is sleeved outside the bolt 4, the lower surface at the 9 inner walls tops of activity groove is fixed to the one end of spring 6, the top at annular plate 7 is fixed to the other end of spring 6, the bottom of bolt 4 is fixed with sloping block 8, thread groove 11 has all been seted up to two 9 inside one sides in activity groove, the inside threaded connection of thread groove 11 has screw 12, the one end that screw 12 is close to activity groove 9 is fixed with tapered block 10, the bottom of drill bit 16 is fixed with fixture block 17, drill bit 16 pegs graft in the inside of first slot 15 through fixture block 17, can be rotatory the inboard to second recess 2 with the fixture block 17 of pegging graft in the second recess 2 outside through rotating drill bit 16, it is spacing to fixture block 17 through bolt 4.

Laminating each other between the inclined plane of tapered block 10 and the inclined plane of sloping block 8, make things convenient for the extrusion between tapered block 10 to the sloping block 8, reduce wearing and tearing between sloping block 8 and the tapered block 10, be favorable to the long-term use of equipment more, the diameter of drill bit 16 and the little 0.2cm of the aperture size of first slot 15, make things convenient for inserting of drill bit 16, second slot 18 is the same with the aperture of first slot 15, guarantee that fixture block 17 of drill bit 16 bottom can block in the inside of first recess 2, mutually support between fixture block 17 and the second recess 3 and use, drill bit 16 can pass second recess 3 with fixture block 17 joint in the inside of first recess 2, screw 12 is interior cross recess screw, the person of facilitating the use's use, do not need special key, all can freely dismantle through word screwdriver and cross screwdriver.

The working principle is as follows: when the utility model is used, the fixture block 17 is aligned with the second groove 3, the drill bit 16 is inserted into the first slot 15, the drill bit 16 is slowly pushed to push the fixture block 17 at the two sides of the drill bit 16 to the inside of the first groove 2, the clamping block 17 is rotated to the side of the first groove 2 far away from the bolt 4 by rotating the rotary head 16, the screw 12 is screwed by the screwdriver, the conical block 10 at the side end of the screw 12 is pushed in, the inclined block 8 is extruded, so that the bolt 4 is slowly inserted into the first groove 2, the clamping block 17 is limited, the movement of the clamping block 17 is limited, the aim of fixing the drill bit 16 is further achieved, when the drill bit needs to be taken out, by loosening the screw 12, the tapered block 10 no longer presses the inclined block 8, the elastic action of the spring 6 pushes the annular plate 7, so that the latch 4 is withdrawn from the inside of the first recess 2 and the latch 17 is removed by rotating the drill bit 16.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 machining drill bit installation mechanism, includes first installation piece (1) and bolt (4), its characterized in that: a first slot (15) is formed in the first mounting block (1), second grooves (3) are formed in two sides of the first slot (15), a second mounting block (14) is fixed at the bottom of the first mounting block (1), a second slot (18) is formed in the second mounting block (14), first grooves (2) are formed in two sides of the second slot (18), the first groove (2) and the second groove (3) are communicated with each other, a clamping seat (13) is fixed at the bottom of the second mounting block (14), movable grooves (9) are vertically formed in two sides of the clamping seat (13), connecting holes (5) are formed in the tops of the movable grooves (9), the movable grooves (9) are communicated with the first grooves (2) through the connecting holes (5), and the tops of the bolts (4) penetrate through the connecting holes (5) to be inserted into the first grooves (2), the novel bolt is characterized in that a circular plate (7) is fixed on the outer wall of the circumference of the bottom of the bolt (4), a spring (6) is sleeved outside the bolt (4), one end of the spring (6) is fixed on the lower surface of the top of the inner wall of the movable groove (9), the other end of the spring (6) is fixed on the top of the circular plate (7), an inclined block (8) is fixed at the bottom of the bolt (4), a threaded groove (11) is formed in one side of the inner portion of the movable groove (9), a screw (12) is connected to the inner thread of the threaded groove (11), a conical block (10) is fixed at one end, close to the movable groove (9), of the screw (12), a clamping block (17) is fixed at the bottom of the drill bit (16), and the drill bit (16) is inserted into the first insertion groove (15) through the.

2. A machining bit mounting mechanism as claimed in claim 1, wherein: the inclined plane of the conical block (10) is mutually attached to the inclined plane of the inclined block (8).

3. A machining bit mounting mechanism as claimed in claim 1, wherein: the diameter of the drill bit (16) is 0.2cm smaller than the aperture of the first slot (15), and the aperture of the second slot (18) is the same as that of the first slot (15).

4. A machining bit mounting mechanism as claimed in claim 1, wherein: the clamping block (17) and the second groove (3) are matched with each other for use.

5. A machining bit mounting mechanism as claimed in claim 1, wherein: the screw (12) is an inner cross-shaped groove screw.