CN213945825U

CN213945825U - Positioning fixture for grinding drill bit for drilling in construction site

Info

Publication number: CN213945825U
Application number: CN202022428625.1U
Authority: CN
Inventors: 徐博
Original assignee: Shenyang Youcheng Automation Engineering Co ltd
Current assignee: Zhongsheng Technology (Changzhou) Co.,Ltd.
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-08-13
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a building site punches and uses positioning fixture of drill bit coping, include the box and set up at the feed inlet of box lateral wall and the mouth of polishing, box inside wall fixedly connected with fixed plate, the fixed connection fixed block between fixed plate and the box inside wall, the fixed slot has been seted up at the fixed block top, fixed slot inside wall sliding connection has the drill bit body, fixed block top sliding connection has the ejector pad. The utility model discloses, under the mutually supporting of fixed plate, fixed block, ejector pad, first threaded rod, first pivot, actuating mechanism, meshing mechanism and extrusion device, let irregular gear drive ejector pad earlier release the mouth of polishing with the drill bit body part of polishing through the servo motor output shaft, then drive first pivot and let the extrusion piece extrude and fix the drill bit body, under the combined action of ejector pad and extrusion piece, let the drill bit body fix and polish, let the drill bit body be difficult for squinting and rotating, polish more easily.

Description

Positioning fixture for grinding drill bit for drilling in construction site

Technical Field

The utility model relates to a positioning fixture technical field especially relates to a building site punches and uses positioning fixture of drill bit coping.

Background

The drill bit is a cutter used on a drilling machine and a drilling machine, the common tool for metal cutting is a twist drill bit with a spiral groove, the common tool for geological exploration is a hard alloy drill bit, a diamond drill bit and the like, and generally, after the drill bit is used for a long time, the drill bit needs to be polished to ensure the working efficiency of the drill bit at the later stage.

At present, some electric drill bits that punch are often needed on the construction site, and these drill bits often need coping drill bits after using, the drill bit on the hole machine will be taken off to general workman, push down the drill bit with a heavy object and fix, the reuse cutting machine is polished the drill bit, the sharpness of polishing the screw thread edge of drill bit is a little, facilitate the use, press the in-process of drill bit with the heavy object, let the drill bit rotate and the skew at the in-process of polishing the drill bit easily, lead to polishing the effect not good, need repetition fixed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the fixed mode of pushing down the drill bit with the heavy object among the prior art is polished the effect not good and the drill bit squints easily, and the positioning fixture of drill bit coping for building site punches that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a positioning clamp for grinding a drill bit for drilling in a construction site comprises a box body, a feed inlet and a grinding port which are arranged on the outer side wall of the box body, the inner side wall of the box body is fixedly connected with a fixed plate, a fixed block is fixedly connected between the fixed plate and the inner side wall of the box body, a fixed groove is arranged at the top of the fixed block, the inner side wall of the fixed groove is connected with a drill bit body in a sliding way, the top of the fixed block is connected with a push block in a sliding way, the outer side wall of the push block is provided with a first threaded hole, the inner side wall of the first threaded hole is in threaded connection with a first threaded rod, the outer side wall of the fixing plate and the inner side wall of the box body are respectively in rotary connection with a first rotating shaft and a second rotating shaft, the outer side wall of the fixed plate is provided with a driving mechanism for rotating the first threaded rod and the first rotating shaft, the first rotating shaft and the second rotating shaft are in transmission connection through an engaging mechanism, and the end part of the second rotating shaft is fixedly connected with an extruding device.

Preferably, actuating mechanism includes the servo motor of fixed connection at the fixed plate lateral wall, servo motor output end fixedly connected with first axis of rotation, first axis of rotation lateral wall fixedly connected with irregular gear, it is connected with the second axis of rotation to rotate between fixed plate and the box, the second axis of rotation run through the fixed plate and with first threaded rod fixed connection, the straight-teeth gear has all been cup jointed fixedly to second axis of rotation and first axis of rotation lateral wall, two the straight-teeth gear all is connected with irregular gear engagement.

Preferably, the meshing mechanism comprises bevel gears fixedly sleeved on the outer side walls of the first rotating shaft and the second rotating shaft, and the two bevel gears are in meshing connection.

Preferably, the extrusion device is including seting up the expansion joint at the fixed slot inside wall, expansion joint inside wall sliding connection has the extrusion piece, second pivot tip fixedly connected with second threaded rod, the second screw hole has been seted up to the lateral wall of extrusion piece, second threaded rod lateral wall and second screw hole inside wall threaded connection.

Preferably, the outer side wall of the extrusion block close to the first threaded rod is fixedly connected with a non-slip mat.

Preferably, the inner side wall of the polishing port is fixedly connected with a rubber pad.

The utility model has the advantages that:

1. at the fixed plate, the fixed block, the ejector pad, first threaded rod, first pivot, actuating mechanism, meshing mechanism and extrusion device mutually support down, let irregular gear drive ejector pad earlier push out the mouth of polishing with drill bit body polishing part through the servo motor output shaft, then drive first pivot and let the extrusion piece extrusion fix the drill bit body, under the combined action of ejector pad and extrusion piece, let the drill bit body fix and polish, let the drill bit body be difficult for squinting and rotating, polish more easily.

2. The device can be repeatedly used by controlling the positive and negative rotation of the servo motor, does not need manual blanking in the whole process, and is compared with the traditional mode of pressing the drill bit body by a heavy object, and the device is simple in structure, convenient to use and better in polishing effect.

Drawings

Fig. 1 is a schematic structural view of a positioning fixture for grinding a drill bit for drilling in a construction site according to the present invention;

fig. 2 is a schematic diagram of the engagement between a straight gear and an irregular gear in the positioning fixture for grinding the drill bit for drilling in a construction site provided by the utility model;

fig. 3 is the utility model provides a building site punches and uses positioning fixture's of drill bit coping plan view.

In the figure: 1. a box body; 2. a feed inlet; 3. a fixing plate; 4. a fixed block; 5. fixing grooves; 6. a drill bit body; 7. a push block; 8. a first threaded rod; 9. a first rotating shaft; 10. a second rotating shaft; 11. a servo motor; 12. an irregular gear; 13. a spur gear; 14. a bevel gear; 15. a movable opening; 16. extruding the block; 17. a second threaded rod; 18. a non-slip mat; 19. grinding a port; 20. and (7) a rubber pad.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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.

Referring to fig. 1-3, a positioning fixture for grinding a drill bit for drilling at a construction site, which comprises a box body 1, a feed inlet 2 and a grinding opening 19, wherein the feed inlet 2 and the grinding opening 19 are formed in the outer side wall of the box body 1, the feed inlet 2 is formed in the top of the box body 1, a fixed plate 3 is fixedly connected to the inner side wall of the box body 1, a fixed block 4 is fixedly connected between the fixed plate 3 and the inner side wall of the box body 1, a fixed groove 5 is formed in the top of the fixed block 4, a drill bit body 6 is slidably connected to the inner side wall of the fixed groove 5, a push block 7 is slidably connected to the top of the fixed block 4, the push block 7 is moved by a distance greater than the length of the drill bit body 6, the drill bit body 6 is conveniently placed in the fixed groove 5, a first threaded hole is formed in the outer side wall of the push block 7, a first threaded rod 8 is threadedly connected to the inner side wall of the first threaded hole, a first rotating shaft 9 and a second rotating shaft 10 are respectively rotatably connected to the outer side wall of the fixed plate 3 and the inner side wall of the box body 1, and a rubber pad 20 is fixedly connected to the grinding opening 19, the rubber pad 20 can increase the friction force of the drill bit body 6, so that the drill bit body 6 is more stable when being polished.

3 lateral walls of fixed plate are equipped with and are used for letting first threaded

rod

8 and 9 pivoted actuating mechanism of first pivot, actuating mechanism includes servo motor 11 of fixed connection at 3 lateral walls of fixed plate, 11 output end fixedly connected with first axis of rotation of servo motor, first axis of rotation lateral wall fixedly connected with irregular gear 12, it is connected with the second axis of rotation to rotate between fixed plate 3 and the box 1, the second axis of rotation run through fixed plate 3 and with 8 fixed connection of first threaded rod, second axis of rotation and the equal fixed cup joint of 9 lateral walls of first pivot have spur gear 13, two spur gears 13 all are connected with irregular gear 12 meshing.

First pivot 9 and second pivot 10 are connected through the meshing mechanism transmission, meshing mechanism is including fixed cup joint at the bevel gear 14 of

first pivot

9 and 10 lateral walls of second pivot, two bevel gear 14 meshes and connects, 10 end fixedly connected with extrusion device of second pivot, extrusion device is including seting up at the expansion opening 15 of 5 inside walls of fixed slot, 15 inside wall sliding connection of expansion opening has the extrusion piece 16, extrusion piece 16 is close to the lateral wall fixedly connected with slipmat 18 of first threaded rod 8, the effect of slipmat 18 prevents the in-process at the drill bit body 6 of polishing, drill bit body 6 rotates, and can fix drill bit body 6 well.

Second pivot 10 tip fixedly connected with second threaded rod 17, the second screw hole has been seted up to extrusion piece 16's lateral wall, second threaded rod 17 lateral wall and second screw hole inside wall threaded connection, as shown in fig. 2, two sets of meshing tooth groups of the lateral wall fixedly connected with of irregular gear 12, at the beginning of polishing, irregular gear 12 is at the pivoted in-process, a set of meshing tooth group lets spur gear 13 on right side rotate and lets ejector pad 7 release the mouth of polishing 19 with drill bit body 6, another set of meshing tooth group lets left spur gear 13 rotate and lets extrusion piece 16 fix drill bit body 6, conveniently polish and fix.

The working principle is as follows: the drill bit body 6 is placed into the fixing groove 5 from the feed port 2, and the non-polished end is close to the push block 7.

The servo motor 11 is started to rotate forwards, as shown in fig. 2, the servo motor 11 drives the irregular gear 12 to engage with the right spur gear 13 to rotate the first threaded rod 8, the first threaded rod 8 rotates to drive the push block 7 to move the drill bit body 6 to the polishing opening 19, when the drill bit body 6 passes through the grinding opening 19, the irregular gear 12 is not meshed with the straight gear 13 any more, but is meshed with the straight gear 13 on the left side, the straight gear 13 on the left side drives the first rotating shaft 9 to rotate, the first rotating shaft 9 enables the second rotating shaft 10 to rotate through the two bevel gears 14, the second rotating shaft 10 drives the second threaded rod 17 to rotate, the second threaded rod 17 drives the extrusion block 16 to move along the movable opening 15, when the extrusion block 16 extrudes and fixes the drill bit body 6, the irregular gear 12 is not meshed with the spur gear 13 on the left side, the servo motor 11 is switched off, and at the moment, a worker can grind the drill bit body 6 exposed out of the grinding port 19 by using a grinding tool.

After finishing polishing, start servo motor 11 and reverse, whole process is opposite with above-mentioned process, when initial position was all got back to extrusion piece 16 and ejector pad 7, close servo motor 11, drill bit body 6 still remains in fixed slot 5, another drill bit body 6 that will polish next is put in fixed slot 5, repeat above-mentioned operation can, new drill bit body 6 that does not polish can extrude the drill bit body 6 that polishes and polish mouthful 19 to stretch out the mill mouth 19 with the position of polishing, conveniently polish.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The positioning fixture for grinding the drill bit for drilling in the construction site comprises a box body (1), a feed inlet (2) and a grinding opening (19), wherein the feed inlet is formed in the outer side wall of the box body (1), the grinding opening (19) is formed in the outer side wall of the box body (1), a fixing plate (3) is fixedly connected to the inner side wall of the box body (1), a fixing block (4) is fixedly connected between the fixing plate (3) and the inner side wall of the box body (1), a fixing groove (5) is formed in the top of the fixing block (4), a drill bit body (6) is slidably connected to the inner side wall of the fixing groove (5), a push block (7) is slidably connected to the top of the fixing block (4), a first threaded hole is formed in the outer side wall of the push block (7), a first threaded rod (8) is in threaded connection with the inner side wall of the first threaded hole, a first rotating shaft (9) and a second rotating shaft (10) are rotatably connected to the outer side wall of the fixing plate (3) and the inner side wall of the box body (1) respectively, the fixed plate (3) lateral wall is equipped with and is used for letting first threaded rod (8) and first pivot (9) pivoted actuating mechanism, first pivot (9) and second pivot (10) are connected through the meshing mechanism transmission, second pivot (10) tip fixedly connected with extrusion device.

2. The positioning fixture for grinding the drill bit for drilling in a construction site as claimed in claim 1, wherein the driving mechanism comprises a servo motor (11) fixedly connected to the outer side wall of the fixing plate (3), a first rotating shaft is fixedly connected to the output end of the servo motor (11), an irregular gear (12) is fixedly connected to the outer side wall of the first rotating shaft, a second rotating shaft is rotatably connected between the fixing plate (3) and the box body (1), the second rotating shaft penetrates through the fixing plate (3) and is fixedly connected with the first threaded rod (8), straight gears (13) are fixedly sleeved on the outer side walls of the second rotating shaft and the first rotating shaft (9), and the two straight gears (13) are respectively meshed with the irregular gear (12).

3. The positioning fixture for grinding the drill bit for drilling on a construction site according to claim 1, wherein the meshing mechanism comprises bevel gears (14) fixedly sleeved on the outer side walls of the first rotating shaft (9) and the second rotating shaft (10), and the two bevel gears (14) are in meshing connection.

4. The positioning fixture for grinding the drill bit for drilling on a construction site according to claim 1, wherein the extruding device comprises a movable opening (15) formed in the inner side wall of the fixing groove (5), an extruding block (16) is slidably connected to the inner side wall of the movable opening (15), a second threaded rod (17) is fixedly connected to the end of the second rotating shaft (10), a second threaded hole is formed in the outer side wall of the extruding block (16), and the outer side wall of the second threaded rod (17) is in threaded connection with the inner side wall of the second threaded hole.

5. The positioning fixture for grinding the drill bit for drilling on the construction site as claimed in claim 4, wherein the outer side wall of the extrusion block (16) close to the first threaded rod (8) is fixedly connected with a non-slip pad (18).

6. The positioning fixture for grinding the drill bit for drilling holes in a construction site as claimed in claim 1, wherein a rubber pad (20) is fixedly connected to the inner side wall of the grinding opening (19).