CN212578377U

CN212578377U - Drill bit fixing device that polishes

Info

Publication number: CN212578377U
Application number: CN202021319609.2U
Authority: CN
Inventors: 曹杰
Original assignee: Emok Franken Precision Tools Suzhou Co ltd
Current assignee: Emok Franken Precision Tools Suzhou Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-02-23
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a drill bit fixing device that polishes relates to drill bit processing technology field. The utility model discloses a drill bit, the outside of drill bit be equipped with one with drill bit assorted fixed establishment, the drill bit includes a dead lever, a cross-shaped groove has been seted up to a terminal surface of dead lever, another terminal surface fixed mounting of dead lever has a drilling rod, fixed establishment includes a bottom plate, the one end fixed mounting of bottom plate has a backplate, the fixed surface of backplate install one with cross-shaped groove assorted cross stopper, the last fixed surface of bottom plate installs two centre gripping subassemblies, the centre gripping subassembly includes a curb plate, the lower surface of curb plate is connected with the last fixed surface of bottom plate, a fixed surface of curb plate installs two first planks, rotate through first round pin axle between two first planks and be connected with a flange. The utility model discloses a two centre gripping subassemblies carry out the centre gripping to the drill bit from the incline to make the drill bit tightly fix on fixed establishment, very big improvement the effect of centre gripping.

Description

Drill bit fixing device that polishes

Technical Field

The utility model belongs to the technical field of the drill bit processing, especially, relate to a drill bit fixing device that polishes.

Background

The drill bit is a cutting tool used by a typical drill or drilling machine to cut a circular hole. The basic principle of the drill bit is to rotate the edge cutting of the drill bit, cut a workpiece and remove drill cuttings through a drill slot. Commonly used drill bits mainly include twist drills, flat drills, center drills, deep hole drills, and trepanning drills. Reamers and reamers are not capable of drilling solid materials, but they are also traditionally classified as drills.

When polishing the drill bit, need fix the drill bit earlier, later polish the drill bit again, at present, the drill bit fixing device that polishes that has now on the market is generally that the centre gripping through electric putter directly fixes the drill bit, but the fixed effect of above-mentioned this kind of fixed mode is not good, takes place to rotate or the back-and-forth movement easily at the in-process drill bit of polishing, for this reason, the utility model designs a drill bit fixing device that polishes to this, solves above problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drill bit fixing device that polishes uses through the cooperation of cross-shaped groove with the cross stopper, has solved current drill bit fixing device that polishes and has taken place the pivoted problem easily at the in-process drill bit of polishing.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a drill bit polishing and fixing device, which comprises a drill bit, wherein a fixing mechanism matched with the drill bit is arranged on the outer side of the drill bit;

the drill bit comprises a fixed rod, one end face of the fixed rod is provided with a cross-shaped groove, and the other end face of the fixed rod is fixedly provided with a drill rod;

the fixing mechanism comprises a bottom plate, one end of the bottom plate is fixedly provided with a back plate, one surface of the back plate is fixedly provided with a cross limiting block matched with the cross-shaped groove, and the upper surface of the bottom plate is fixedly provided with two clamping assemblies;

the centre gripping subassembly includes a curb plate, the lower surface of curb plate and the last fixed surface of bottom plate are connected, a fixed surface of curb plate installs two first supports, two rotate through first round pin axle between the first support and be connected with a flange, a terminal surface fixed mounting of flange has a first connecting plate, a fixed surface that the flange was kept away from to first connecting plate installs an electric telescopic handle, electric telescopic handle keeps away from the one end fixed mounting of first connecting plate has a second connecting plate, electric telescopic handle's a fixed surface is kept away from to the second connecting plate installs two second extension boards, two rotate through the second round pin axle between the second extension board and be connected with a centre gripping wheel, the week side of centre gripping wheel and the all side face contact of drilling rod.

Preferably, the diameter of the fixing rod is larger than that of the drill rod, and the difference is between 2 and 4 cm.

Preferably, the peripheral side face of one end of the drill rod, which is far away from the fixing rod, is provided with a drill groove.

Preferably, the bottom plate is triangular, and the bottom plate is a steel alloy member.

Preferably, the cross-shaped limiting block is inserted in the cross-shaped groove, and the outer wall of the cross-shaped limiting block and the inner wall of the cross-shaped groove are smooth.

Preferably, the peripheral side surface of the clamping wheel is smooth, and the clamping wheel abuts against one end surface of the fixing rod, which is far away from the cross-shaped groove.

The utility model discloses following beneficial effect has:

1. the utility model discloses a cross-shaped groove is used with the cooperation of cross stopper, can avoid taking place to rotate at the in-process drill bit of polishing, causes the effect of polishing not good.

2. The utility model discloses a with two centre gripping wheels all with the drilling rod contact, then start two electric telescopic handle's control switch simultaneously, two electric telescopic handle will extend simultaneously, tightly support on the dead lever keeps away from a terminal surface in cross-shaped groove until the centre gripping wheel to the realization is to the centre gripping of drill bit, the utility model discloses a two centre gripping subassemblies carry out the centre gripping to the drill bit from the incline to make the drill bit tightly fix on fixed establishment, very big improvement the effect of centre gripping.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a drill polishing fixture;

fig. 2 is a top view of the present invention in fig. 1;

fig. 3 is a schematic structural view of the fixing mechanism of the present invention;

FIG. 4 is a schematic structural view of the drill bit of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a fixing mechanism; 101. a base plate; 102. a back plate; 103. a cross-shaped limiting block; 104. a side plate; 105. a first support plate; 106. a first connecting plate; 107. a convex plate; 108. a first pin shaft; 109. an electric telescopic rod; 110. a second connecting plate; 111. a second support plate; 112. a clamping wheel; 113. a second pin shaft; 2. a drill bit; 201. fixing the rod; 202. a cross-shaped slot; 203. a drill stem; 204. and (6) drilling a groove.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention relates to a drill polishing and fixing device, which comprises a drill 2, wherein a fixing mechanism 1 matched with the drill 2 is disposed outside the drill 2;

the drill bit 2 comprises a fixed rod 201, one end face of the fixed rod 201 is provided with a cross-shaped groove 202, and the other end face of the fixed rod 201 is fixedly provided with a drill rod 203;

the fixing mechanism 1 comprises a bottom plate 101, a back plate 102 is fixedly installed at one end of the bottom plate 101, a cross-shaped limiting block 103 matched with a cross-shaped groove 202 is fixedly installed on one surface of the back plate 102, and two clamping assemblies are fixedly installed on the upper surface of the bottom plate 101;

the centre gripping subassembly includes a curb plate 104, the lower surface of curb plate 104 is connected with the last fixed surface of bottom plate 101, a fixed surface of curb plate 104 installs two first branch boards 105, two rotate through first round pin axle 108 between the first branch board 105 and be connected with a flange 107, a terminal surface fixed mounting of flange 107 has a first connecting plate 106, a fixed surface that flange 107 was kept away from to first connecting plate 106 installs an electric telescopic handle 109, the one end fixed mounting that first connecting plate 106 was kept away from to electric telescopic handle 109 has a second connecting plate 110, a fixed surface that electric telescopic handle 109 was kept away from to second connecting plate 110 installs two second extension boards 111, two rotate through second round pin axle 113 between the second extension board 111 and be connected with a centre gripping wheel 112, the side face of week of centre gripping wheel 112 and the side face contact of all sides of drilling rod 203.

Further, the diameter of the fixing rod 201 is larger than that of the drill rod 203, and the difference is between 2 and 4 cm.

Furthermore, a drill groove 204 is formed on the circumferential side of one end of the drill rod 203 far away from the fixing rod 201.

Further, the shape of the bottom plate 101 is triangular, and the bottom plate 101 is a member made of a steel alloy material.

Furthermore, the cross-shaped limiting block 103 is inserted into the cross-shaped groove 202, and the outer wall of the cross-shaped limiting block 103 and the inner wall of the cross-shaped groove 202 are both smooth.

Further, the peripheral side surface of the clamping wheel 112 is smooth, and the clamping wheel 112 abuts against an end surface of the fixing rod 201 far away from the cross-shaped groove 202.

When needs are polished to drill bit 2, at first the staff places drill bit 2 whole at the upper surface of bottom plate 101, the cross-shaped groove 202 that makes 2 one ends of drill bit cooperatees with cross stopper 103, use through the cooperation of cross-shaped groove 202 with cross stopper 103, can avoid taking place to rotate at the in-process drill bit 2 of polishing, later the staff all contacts two centre gripping wheels 112 with drilling rod 203, then start the control switch of two electric telescopic handle 109 simultaneously, two electric telescopic handle 109 will extend simultaneously, support on a terminal surface that keeps away from cross-shaped groove 202 at dead lever 201 tightly until centre gripping wheel 112, thereby realize the centre gripping to drill bit 2, the utility model discloses a two centre gripping subassemblies carry out the centre gripping to drill bit 2 from the incline to one side, thereby make drill bit 2 tightly fix on fixed establishment 1.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a drill bit fixing device that polishes, includes drill bit (2), its characterized in that: a fixing mechanism (1) matched with the drill bit (2) is arranged on the outer side of the drill bit (2);

the drill bit (2) comprises a fixed rod (201), one end face of the fixed rod (201) is provided with a cross-shaped groove (202), and the other end face of the fixed rod (201) is fixedly provided with a drill rod (203);

the fixing mechanism (1) comprises a bottom plate (101), a back plate (102) is fixedly installed at one end of the bottom plate (101), a cross-shaped limiting block (103) matched with a cross-shaped groove (202) is fixedly installed on one surface of the back plate (102), and two clamping components are fixedly installed on the upper surface of the bottom plate (101);

the clamping assembly comprises a side plate (104), the lower surface of the side plate (104) is fixedly connected with the upper surface of the bottom plate (101), two first support plates (105) are fixedly mounted on one surface of the side plate (104), a convex plate (107) is rotatably connected between the two first support plates (105) through a first pin shaft (108), a first connecting plate (106) is fixedly mounted on one end surface of the convex plate (107), an electric telescopic rod (109) is fixedly mounted on one surface, far away from the convex plate (107), of the first connecting plate (106) through the first connecting plate (106), a second connecting plate (110) is fixedly mounted at one end, far away from the first connecting plate (106), of the electric telescopic rod (109), the second connecting plate (110) is fixedly mounted on one surface, far away from the electric telescopic rod (109), of the second connecting plate (111), and a clamping wheel (112) is rotatably connected between the two second support plates (111) through a second pin shaft (113), the circumferential side surface of the clamping wheel (112) is contacted with the circumferential side surface of the drill rod (203).

2. A drill bit sharpening fixture according to claim 1, wherein the diameter of the fixing rod (201) is larger than the diameter of the drill rod (203) by a difference of between 2-4 cm.

3. The drill bit grinding fixing device as claimed in claim 1, wherein a peripheral side surface of one end of the drill rod (203) far away from the fixing rod (201) is provided with a drill groove (204).

4. A drill bit sharpening fixture according to claim 1, wherein the base plate (101) is triangular in shape and the base plate (101) is a member of steel alloy.

5. The drill bit grinding fixing device as claimed in claim 1, wherein the cross-shaped limiting block (103) is inserted into the cross-shaped groove (202), and the outer wall of the cross-shaped limiting block (103) and the inner wall of the cross-shaped groove (202) are smooth.

6. A drill bit grinding fixture as claimed in claim 1, wherein the peripheral side of the clamping wheel (112) is smooth and the clamping wheel (112) abuts against an end face of the fixing rod (201) remote from the cross-shaped recess (202).