CN219130878U

CN219130878U - Chamfering processing drill bit structure for metal plate plane hole

Info

Publication number: CN219130878U
Application number: CN202320272192.6U
Authority: CN
Inventors: 王玉军
Original assignee: Hyde Precision Shenyang Co ltd
Current assignee: Hyde Precision Shenyang Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-06-06
Anticipated expiration: 2033-02-21

Abstract

The utility model discloses a metal plate plane hole chamfering drill bit structure, which relates to the technical field of chamfering equipment and comprises a mounting seat, a positioning cylinder, a drill bit and an external driving mechanism for fixing the mounting seat, wherein the mounting seat is fixedly arranged at the bottom of the driving mechanism, an external thread is arranged on the side surface of the mounting seat, an internal thread is arranged on the inner side surface of the positioning cylinder, the positioning cylinder is in screwed connection with the external thread of the mounting seat through the internal thread, a mounting groove is arranged in the central position of the lower bottom surface of the mounting seat, the drill bit comprises a mounting body and a chamfering tool, the mounting body is fixedly connected with the chamfering tool, and the drill bit is inserted into the mounting groove of the mounting seat through the mounting body; according to the utility model, the distance of the drill bit when the drill bit moves downwards to chamfer is limited through the positioning cylinder capable of being adjusted up and down, and whether the drill bit is pushed by the air cylinder or manually by a person, the accurate downward movement distance is ensured, so that the accuracy of the orifice chamfer specification is ensured, and the processing quality is improved.

Description

Chamfering processing drill bit structure for metal plate plane hole

Technical Field

The utility model relates to the technical field of chamfering equipment, in particular to a metal plate plane hole chamfering drill bit structure.

Background

The chamfering of the orifice refers to making a bevel edge cut on the orifice, so as to facilitate assembly and deburring; in order to remove burrs on the parts due to machining, and also to facilitate assembly of the parts.

The chamfering specification of the orifice is generally required, and the machining requirement is met by changing different drill bits and simultaneously controlling the strength or depth during machining. The existing chamfering processing of the metal plate plane hole has two modes, one is to use machine equipment, install a chamfering cutter to carry out automatic chamfering processing, and the other mode is to hold a chamfering device by a person to directly align with the hole for chamfering processing.

But both of these have a problem: the chamfering machine is inaccurate when controlling the chamfering force or depth, if equipment is used, the drill bit is pushed to be pressed downwards through the air cylinder to chamfer, the accuracy is relatively low for the air cylinder used by the machining equipment, and driving forming errors exist when working for a long time, so that deviation of the machining specification of the orifice chamfering can be caused, the production quality is affected, and the accuracy is poorer when people manually use the chamfering machine to process by the control force of the people.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a metal plate plane hole chamfering drill bit structure, wherein the distance of the drill bit when the chamfering is downwards moved is limited by the positioning cylinder capable of being adjusted up and down, and the accurate downwards moving distance is ensured no matter the positioning cylinder is used for pushing or manual pushing by a person, so that the accuracy of the orifice chamfering specification is ensured, and the machining quality is improved.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a metal sheet plane hole chamfer processing drill bit structure, includes mount pad, positioning tube, drill bit and is used for the external drive mechanism of fixed mount pad, the mount pad is fixed to be set up in the bottom of drive mechanism, the external screw thread has been seted up to mount pad side surface, the internal screw thread has been seted up to positioning tube medial surface, the positioning tube connects soon through the external screw thread of internal screw thread and mount pad, the mounting groove has been seted up in bottom surface central point under the mount pad, the drill bit includes installation body and chamfer sword, installation body and chamfer sword fixed connection, the drill bit passes through installation body cartridge in the mounting groove of mount pad to through fixed subassembly fixed connection; the vertical distance between the lowest end of the chamfering tool of the drill bit and the lowest end of the positioning cylinder can be changed by rotating the positioning cylinder.

Preferably, the fixing assembly comprises a plurality of fixing plates and a plurality of screws, the fixing plates are uniformly arranged on the lower bottom surface of the mounting seat in a circle, through holes are formed in the centers of the fixing plates, threaded holes are formed in the side surfaces of the drill bit, corresponding to the through holes, of the mounting body, and the screws penetrate through the through holes respectively and are screwed into the threaded holes to fix the drill bit.

Preferably, a fixing ring is screwed on the mounting seat above the corresponding positioning cylinder.

Preferably, the outer surface of the mounting seat is vertically marked with scales.

Preferably, the lower bottom surface of the positioning cylinder is provided with a contact plate through a plane bearing.

Preferably, the mounting body of the drill bit and the chamfering tool are manufactured in an integrated mode.

The utility model provides a metal plate plane hole chamfering processing drill bit structure, which has the following beneficial effects:

1. according to the utility model, the distance of the drill bit when the drill bit moves downwards to chamfer is limited through the positioning cylinder capable of being adjusted up and down, and whether the drill bit is pushed by the air cylinder or manually by a person, the accurate downward movement distance is ensured, so that the accuracy of the orifice chamfer specification is ensured, and the processing quality is improved;

2. according to the utility model, the drill bit can be detached on the mounting seat through the screw, the drill bit with different inclination angles can be replaced according to chamfering requirements, and the applicability of the device is improved;

3. according to the utility model, the upper part of the external thread of the mounting seat is screwed with the fixed ring, and after the positioning cylinder is adjusted, the fixed ring is screwed tightly against the upper end of the positioning cylinder, so that the positioning cylinder is reinforced to be fixed.

Drawings

Fig. 1 is a front sectional view showing a structure of a chamfering drill bit for a planar hole of a metal plate according to the present utility model.

Fig. 2 is a bottom view of a structure of a chamfering drill bit for a metal plate surface hole according to the present utility model.

Fig. 3 is a schematic view of a drill bit according to the present utility model.

Fig. 4 is a schematic view of a mounting base in the present utility model.

In the figure: 1. a driving mechanism; 2. a mounting base; 21. a mounting groove; 22. an external thread; 23. a scale; 3. a fixing plate; 4. a screw; 5. a positioning cylinder; 51. An internal thread; 6. a drill bit; 61. chamfering tool; 62. a mounting body; 63. a threaded hole; 7. a fixing ring; 8. and a contact plate.

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.

As shown in fig. 1-4, the structure of the chamfering drill bit for the metal plate surface hole comprises a mounting seat 2, a positioning cylinder 5, a drill bit 6 and an external driving mechanism 1 for fixing the mounting seat 2, wherein the mounting seat 2 is fixedly arranged at the bottom of the driving mechanism 1, an external thread 22 is arranged on the side surface of the mounting seat 2, an internal thread 51 is arranged on the inner side surface of the positioning cylinder 5, the positioning cylinder 5 is screwed with the external thread 22 of the mounting seat 2 through the internal thread 51, a mounting groove 21 is arranged in the central position of the lower bottom surface of the mounting seat 2, the drill bit 6 comprises a mounting body 62 and a chamfering cutter 61, the mounting body 62 is fixedly connected with the chamfering cutter 61, and the drill bit 6 is inserted into the mounting groove 21 of the mounting seat 2 through the mounting body 62 and is fixedly connected through a fixing component; rotating the positioning cylinder 5 can change the vertical distance between the lowermost end of the chamfering blade 61 of the drill bit 6 and the lowermost end of the positioning cylinder 5; the fixing assembly comprises a plurality of fixing plates 3 and a plurality of screws 4, the plurality of fixing plates 3 are uniformly arranged on the lower bottom surface of the mounting seat 2 for one circle, a through hole is formed in the center of the fixing plate 3, a threaded hole 63 is formed in the side surface of the mounting body 62 of the drill bit 6 corresponding to the through hole, and the plurality of screws 4 penetrate through the through holes and are screwed into the threaded hole 63 respectively to fix the drill bit 6; a fixed ring 7 is screwed above the corresponding positioning cylinder 5 on the mounting seat 2; the outer surface of the mounting seat 2 is vertically marked with scales 23; the lower bottom surface of the positioning cylinder 5 is provided with a contact plate 8 through a plane bearing; the mounting body 62 of the drill bit 6 and the chamfering tool 61 are integrally formed.

The detailed connection means are known in the art, and the following mainly introduces the working principle and process, specifically as follows:

the driving mechanism 1 of the utility model can drive the drill bit 6 to vertically move and rotate, and the utility model is applicable to the prior art, however, the utility model can also be arranged on a chamfering device for manually processing chamfering by personnel.

As can be seen from fig. 1 to 4 of the drawings, in the present utility model, since the positioning cylinder 5 is screwed with the external thread 22 on the side surface of the mounting seat 2 connected to the driving mechanism 1 through the internal thread 51, rotating the positioning cylinder 5 causes the positioning cylinder 5 to move up and down relative to the mounting seat 2, and since the drill bit 6 is mounted in the mounting seat 2 on the lower bottom surface of the mounting seat 2, when the positioning cylinder 5 moves up and down, the distance between the lowest end of the positioning cylinder 5 and the lowest end of the chamfering blade 61 in the drill bit 6 changes in the vertical direction, according to the requirement for chamfering the metal plate surface hole, the positioning cylinder 5 can be adjusted according to the maximum diameter of the required chamfering, so that the position of the chamfering blade 61 horizontally corresponding to the lower bottom surface of the positioning cylinder 5 is the maximum diameter position of the required chamfering, and attention is required, in order to ensure rapid adjustment, in addition, scales 23 of the corresponding diameter can be engraved on the surface of the chamfering blade 61, and the positions of the chamfering blade 61 horizontally corresponding to the lower bottom surface of the positioning cylinder 5 can be adjusted by taking the upper end of the mounting seat 2 and the upper end of the positioning cylinder 5 as reference points; after the adjustment of the positioning cylinder 5 is completed, the mounting seat 2, the positioning cylinder 5 and the drill bit 6 are driven to move downwards through the external driving mechanism 1, and rotate, chamfering is carried out on the orifice of the plane hole until the lower bottom surface of the positioning cylinder 5 is abutted to the plane of the metal plate, and the drill bit 6 cannot be continuously moved downwards due to the fact that external force cannot cause the drill bit 6 to move downwards at the moment, so that excessive chamfering is avoided, accuracy of orifice chamfering specification is guaranteed, and machining quality is improved.

In a possible implementation manner, the fixing assembly comprises a plurality of fixing plates 3 and a plurality of screws 4, the fixing plates 3 are uniformly arranged on the lower bottom surface of the mounting seat 2 in a circle, the screws 4 respectively penetrate through holes in the fixing plates 3 and are screwed into threaded holes 63 formed in the side surface of the mounting seat 2 to fix the drill bit 6, so that the drill bit 6 is fixed and stable, in addition, the screws 4 can be used for disassembling, and due to different chamfering requirements, when the drill bit 6 with different inclination angles needs to be replaced, the screws 4 are convenient to disassemble, and the applicability of the lifting device is improved.

One possible implementation mode is that a fixing ring 7 is screwed above the corresponding positioning cylinder 5 on the mounting seat 2, after the positioning cylinder 5 is adjusted, the fixing ring 7 is screwed tightly on the upper end of the positioning cylinder 5, the positioning cylinder 5 is reinforced to be fixed, and the stability of the positioning cylinder 5 in operation is ensured.

In a possible implementation manner, the contact plate 8 is arranged on the lower bottom surface of the positioning cylinder 5, the contact plate 8 is connected with the lower bottom surface of the positioning cylinder 5 through a plane bearing, and in the processing process, the rotation of the positioning cylinder 5 is not influenced because the positioning cylinder 5 rotates and is in plane abutting connection with the metal plate.

In one possible implementation, the mounting body 62 of the drill bit 6 and the chamfering tool 61 are integrally formed, so that the strength of the drill bit 6 is enhanced.

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 a metal sheet plane hole chamfer processing drill bit structure, its characterized in that includes mount pad (2), positioning tube (5), drill bit (6) and is used for external drive mechanism (1) of fixed mount pad (2), mount pad (2) fixed set up in the bottom of drive mechanism (1), external screw thread (22) have been seted up to mount pad (2) side surface, internal screw thread (51) have been seted up on positioning tube (5) medial surface, positioning tube (5) are through internal screw thread (51) and external screw thread (22) of mount pad (2) screwed joint, mounting groove (21) have been seted up in bottom surface central point under mount pad (2), drill bit (6) include installation body (62) and chamfer sword (61), installation body (62) and chamfer sword (61) fixed connection, drill bit (6) are through installation body (62) cartridge in mounting groove (21) of mount pad (2) to through fixed subassembly fixed connection; the vertical distance between the lowest end of the chamfering tool (61) of the drill bit (6) and the lowest end of the positioning cylinder (5) can be changed by rotating the positioning cylinder (5).

2. The metal plate plane hole chamfering drill bit structure according to claim 1, wherein the fixing assembly comprises a plurality of fixing plates (3) and a plurality of screws (4), the fixing plates (3) are uniformly arranged on the lower bottom surface of the mounting seat (2) in a circle, through holes are formed in the centers of the fixing plates (3), threaded holes (63) are formed in the side surfaces of the mounting bodies (62) of the drill bit (6) corresponding to the through holes, and the screws (4) penetrate through the through holes respectively and are screwed into the threaded holes (63) to fix the drill bit (6).

3. The metal plate plane hole chamfering drill bit structure according to claim 1, wherein a fixing ring (7) is screwed on the mounting base (2) above the corresponding positioning cylinder (5).

4. A metal plate planar hole chamfering drill bit structure as recited in claim 1, characterized in that the outer surface of the mounting base (2) is vertically marked with graduations (23).

5. The metal plate planar hole chamfering drill bit structure according to claim 1, characterized in that the lower bottom surface of the positioning cylinder (5) is provided with a contact plate (8) through a planar bearing.

6. The metal plate plane hole chamfering drill bit structure as recited in claim 1, characterized in that the mounting body (62) of the drill bit (6) is integrally formed with the chamfering tool (61).