CN209887353U

CN209887353U - Hand-held type circuit board drill point grinder

Info

Publication number: CN209887353U
Application number: CN201920173504.1U
Authority: CN
Inventors: 江东云
Original assignee: Xinfeng Tuoda Electronic Technology Co Ltd
Current assignee: Xinfeng Tuoda Electronic Technology Co Ltd
Priority date: 2019-01-31
Filing date: 2019-01-31
Publication date: 2020-01-03
Anticipated expiration: 2029-01-31

Abstract

The utility model discloses a hand-held circuit board drill point grinding device, which comprises a first fixing plate, a supporting leg is arranged on the left side of the first fixing plate, a first motor is welded on one side of the supporting leg, a first fixing shaft is fixedly connected in the first motor, the outer side surface of the first fixed shaft is sleeved with a turntable, one side of the turntable is welded with a second fixed plate, a second fixed shaft is welded on the surface of one side of the second fixed plate, a first connecting rod is sleeved on the surface of the second fixed shaft, the other end of the first connecting rod is sleeved with a third fixed shaft, and the arranged rotary table and the arranged sliding block solve the problems that the existing drill bit grinding device needs a manual control grinding machine to grind, time and labor are wasted, the grinding speed is reduced, and the arranged thread groove and the bolt solve the problems of fixed installation and inconvenient disassembly between a grinding wheel and a motor.

Description

Hand-held type circuit board drill point grinder

Technical Field

The utility model relates to a grind technical field, specifically be a hand-held type circuit board drill point grinder.

Background

Grinding methods can be generally classified into wet grinding, dry grinding and semi-dry grinding 3 types. 1. Wet grinding, also known as sand dressing, involves continuously injecting or applying a liquid abrasive to the grinding surface, which continuously slides and rolls between the workpiece and the grinding tool to form a cutting motion. Wet grinding is generally used for coarse grinding, the particle size of the used micro-powder abrasive is larger than W7, 2, dry grinding, also called sand embedding grinding, the abrasive is evenly embedded in the surface layer of the grinding tool, and only a small amount of auxiliary materials such as stearic acid mixed grease and the like need to be coated on the surface of the grinding tool during grinding. Dry grinding is often used for fine grinding, with a fine powder abrasive finer than the W mill 7, 3, semi-dry grinding, similar to wet grinding, and the abrasive used is a paste-like abrasive paste. The grinding can be carried out both manually and on a grinding machine. The workpiece must be processed by other processing methods before being ground to obtain higher pre-processing precision, and the grinding allowance is generally 5-30 microns.

Current drill point grinder needs artifical manual control to grind the machine and grinds, wastes time and energy, makes the grinding rate reduce, and fixed mounting between emery wheel and the motor, inconvenient dismantlement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hand-held type circuit board drill point grinder to solve drill point grinder, need artifical manual control to grind the machine and grind, waste time and energy, make grinding speed reduce, and the bolt installation between emery wheel and the motor, inconvenient problem of dismantling.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hand-held type circuit board drill point grinder, includes first fixed plate and second connecting rod, the left side of first fixed plate is equipped with the landing leg, the welding of one side of landing leg has first motor, the first fixed axle of fixedly connected with in the first motor, the carousel has been cup jointed on the outside surface of first fixed axle, the welding of one side of carousel has the second fixed plate, the welding of one side surface of second fixed plate has the second fixed axle, the first connecting rod has been cup jointed on the surface of second fixed axle, the third fixed axle has been cup jointed to the other end of first connecting rod.

Preferably, a casing is welded at one end of the third fixing shaft, a second motor is arranged inside the casing, a sliding groove is formed in the inner surface of the first fixing plate, and the sliding groove is connected with the casing in a sliding mode.

Preferably, the welding of the one end of third fixed axle has the casing, the welding of the right side of casing has the buckle, the inside of casing is equipped with the second motor, the inside surface of first fixed plate is equipped with the spout, spout and buckle sliding connection.

Preferably, a thread groove is formed in the rotating shaft, the bolt is in threaded connection with the thread groove, a slotted hole is formed in the rotating shaft, and the second connecting rod is connected with the slotted hole in an inserting mode.

Compared with the prior art, the beneficial effects of the utility model are that, this hand-held type circuit board drill point grinder:

1. through the turntable and the sliding block, the grinding wheel automatically resets after the drill bit is ground, reciprocating motion is formed, manual grinding of the grinding wheel is not needed, and grinding efficiency is improved.

2. Through thread groove and bolt, make the emery wheel damage the back and conveniently dismantle the change.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a schematic view of the structure of the screw thread and the bolt of the present invention;

fig. 5 is a circuit diagram of the present invention.

In the figure: 1. a first motor; 2. a first fixed shaft; 3. a second fixing plate; 4. a second fixed shaft; 5. A support leg; 6. a rotating shaft; 7. a first connecting rod; 8. a third fixed shaft; 9. a housing; 10. a chute; 11. A first fixing plate; 12. a grinding wheel; 13. a first switch; 14. a second motor; 15. a second connecting rod; 16. buckling; 17. a thread groove; 18. a slot; 19. a thread; 20. a bolt; 23. a turntable; 26. A second switch.

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.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The utility model provides a technical scheme: referring to fig. 1 and 2, a hand-held circuit board drill bit grinding device includes a first fixing plate 11, a support leg 5 is disposed on the left side of the first fixing plate 11, a first motor 1 is welded on one side of the support leg 5, a first fixing shaft 2 is fixedly connected in the first motor 1, a turntable 23 is sleeved on the outer side surface of the first fixing shaft 2, a second fixing plate 3 is welded on one side of the turntable 23, a second fixing shaft 4 is welded on one side surface of the second fixing plate 3, a first connecting rod 7 is sleeved on the surface of the second fixing shaft 4, a third fixing shaft 8 is sleeved on the other end of the first connecting rod 7, a housing 9 is welded on one end of the third fixing shaft 8, a buckle 16 is welded on the right side of the housing 9, a second motor 14 is disposed inside the housing 9, a sliding groove 10 is disposed on the inner surface of the first fixing plate 11, the sliding groove 10 is slidably connected with the buckle 16, the first, the third fixing shaft 23 drives the second fixing plate 3 to rotate, and the second fixing plate 3 drives the first connecting rod 7 to push the housing 9 through the second fixing shaft 4, so that the housing 9 slides up and down in the sliding groove 10.

Referring to fig. 2 and 3, a second motor 14 is disposed in the housing 9, a first connecting rod 7 is sleeved in a rotating shaft 6 of the second motor 14, a grinding wheel 12 is welded at one end of the first connecting rod 7, a bolt 20 is connected in the rotating shaft 6 in a threaded manner, threads 19 are disposed on the surface of the bolt 20, a thread groove 17 is disposed in the rotating shaft 6, the bolt 20 is connected with the thread groove 17 in a threaded manner, a slot 18 is disposed in the rotating shaft 6, a second connecting rod 15 is inserted into the slot 18, the rotating shaft 6 of the second motor 14 drives the first connecting rod 7 to rotate, and thus the grinding wheel 12 rotates to grind a drill bit on the conveyor belt.

Referring to fig. 4, the first switch 13 and the second switch 26 are each EA9AN1C16, the switches are of on and off type, the first switch 13 is turned on to control the second motor 14 to operate and stop, the second switch 26 is turned on to control the first motor 1 to operate and stop, the first motor 1 and the second motor 14 are each of 75SZD02 type, the motors are motors with rotating function, the power source is connected in series with the first switch 13, the first switch 13 is connected in series with the second motor 14, the power source is connected in series with the second switch 26, and the second switch 26 is connected in series with the first motor 1.

The utility model discloses when concrete implementation: when the grinding wheel machine is used, firstly, an operator places a drill nozzle on a conveyor belt, the conveyor belt runs, the first switch 13 is turned on, the second motor 14 runs, the bolt 20 is rotated forward, the bolt 20 is abutted against the first connecting rod 7 in the groove hole 18 through the thread groove 17, when the second motor 14 rotates, the first connecting rod 7 is fixed in the rotating shaft 6, the bolt 20 cannot fall off due to rotation, after the grinding wheel 12 is damaged, the bolt 20 on the rotating shaft 6 is rotated reversely, the bolt 20 is separated from the first connecting rod 7, the grinding wheel 12 is separated from the rotating shaft 6, the grinding wheel 12 is conveniently detached and replaced, then the second switch 26 is turned on, the first motor 1 drives the first fixed shaft 2 to rotate, the first fixed shaft 2 drives the rotating disc 23 to rotate, the second fixed plate 3 welded on the rotating disc 23 rotates along with the first fixed shaft 4, the first connecting rod 7 pushes the third fixed shaft 8, and the shell 9 on the third fixed shaft 8 slides in the sliding groove 10 in a reciprocating manner through the, the grinding wheel 12 outside the machine shell 9 is driven to grind the drill bit, so that the grinding wheel does not need manual grinding, and the grinding efficiency is accelerated.

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. A hand-held type circuit board drill point grinder, includes first fixed plate (11) and second connecting rod (15), its characterized in that: the left side of first fixed plate (11) is equipped with landing leg (5), one side welding of landing leg (5) has first motor (1), first fixed axle (2) of fixedly connected with in first motor (1), carousel (23) have been cup jointed on the outside surface of first fixed axle (2), one side welding of carousel (23) has second fixed plate (3), one side skin weld of second fixed plate (3) has second fixed axle (4), head rod (7) have been cup jointed on the surface of second fixed axle (4), third fixed axle (8) have been cup jointed to the other end of head rod (7).

2. A hand held circuit board drill bit grinding apparatus as defined in claim 1, wherein: the welding of the one end of third fixed axle (8) has casing (9), the welding of the right side of casing (9) has buckle (16), the inside of casing (9) is equipped with second motor (14), the inside surface of first fixed plate (11) is equipped with spout (10), spout (10) and buckle (16) sliding connection.

3. A hand held circuit board drill bit grinding apparatus as defined in claim 2, wherein: the grinding wheel grinding machine is characterized in that a second motor (14) is arranged in the machine shell (9), a first connecting rod (7) is sleeved in a rotating shaft (6) of the second motor (14), a grinding wheel (12) is welded at one end of the first connecting rod (7), a bolt (20) is connected to the rotating shaft (6) in an internal thread mode, and threads (19) are arranged on the surface of the bolt (20).

4. A hand held circuit board drill bit grinding apparatus as defined in claim 3, wherein: the novel connecting rod is characterized in that a thread groove (17) is formed in the rotating shaft (6), the bolt (20) is in threaded connection with the thread groove (17), a groove hole (18) is formed in the rotating shaft (6), and the second connecting rod (15) is connected with the groove hole (18) in an inserting mode.