CN213288780U

CN213288780U - Drilling machine with replaceable drill bit

Info

Publication number: CN213288780U
Application number: CN202022367652.2U
Authority: CN
Inventors: 宗晓霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-05-28
Anticipated expiration: 2030-10-22

Abstract

The utility model discloses a drilling machine of removable drill bit, the on-line screen storage device comprises a base, the left side fixed mounting at base top has the flexible post of hydraulic pressure, the top fixedly connected with elevator of the flexible post of hydraulic pressure, the side fixed mounting of the flexible post of hydraulic pressure has the hydraulic means who uses rather than the cooperation, connecting rod fixedly connected with installation shell is passed through on the right side of elevator, fixed mounting has drilling motor in the installation shell, fixedly connected with drilling pivot on the output shaft of drilling motor, the bottom of drilling pivot is run through the installation shell and is extended to its outside fixedly connected with drill bit dismouting mechanism, drill bit dismouting mechanism includes the connecting plate. This drilling machine of removable drill bit, structural design is reasonable, and convenient to use can carry out quick replacement to the drill bit, therefore when carrying out the drilling in different apertures to the work piece, need not to utilize the drilling machine of different specifications, has indirectly reduced investment cost, can satisfy diversified demand.

Description

Drilling machine with replaceable drill bit

Technical Field

The utility model relates to a mechanical equipment technical field specifically is a drilling machine of removable drill bit.

Background

Machinery is the general name of machine and mechanism, and machinery is exactly can help people to reduce the work degree of difficulty or laborsaving tool device, has disclosed "drilling machine that facilitates use" in chinese patent cn201820581739.x, including the under casing, the middle part fixedly connected with motor of diapire in the under casing, the output fixedly connected with threaded rod of motor, the limiting plate has been placed to the inside of under casing, the middle part of limiting plate upper surface is fixed inlay have with the screwed pipe of threaded rod looks adaptation, the one end that the motor was kept away from to the threaded rod runs through the screwed pipe and extends to the top of limiting plate, its beneficial effect does: can drive the limiting plate with the rotation of motor and carry out height-adjusting, better let the threaded rod rotate, avoid causing the phenomenon that the card pauses in rotatory, can be better let the bracing piece remove and adjust, avoid causing the backing plate to rotate along with the rotation of threaded rod and influence the efficiency of using at the in-process that uses, can let the roof carry out rotation regulation, can be better let the support column rotate, the device's regulation nature has been improved, can be better remove the device, high durability and convenient use, the efficiency of using is improved. However, the drill bit of the drilling machine cannot be replaced, so that when the workpiece needs to be drilled in different apertures, the drilling machines with different specifications are required, the drilling machine is very inconvenient, the investment cost is indirectly increased, and the multidirectional requirements are difficult to meet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drilling machine of removable drill bit 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 drilling machine with a replaceable drill bit comprises a base, wherein a hydraulic telescopic column is fixedly mounted on the left side of the top of the base, a lifting block is fixedly connected to the top end of the hydraulic telescopic column, a hydraulic device matched with the hydraulic telescopic column is fixedly mounted on the side face of the hydraulic telescopic column, a mounting shell is fixedly connected to the right side of the lifting block through a connecting rod, a drilling motor is fixedly mounted in the mounting shell, a drilling rotating shaft is fixedly connected to an output shaft of the drilling motor, and the bottom end of the drilling rotating shaft penetrates through the mounting shell and extends to the outside of the mounting shell to be fixedly connected with a drill bit dismounting mechanism;

drill bit dismouting mechanism includes the connecting plate, connecting plate fixed connection is in the bottom of drilling pivot, fixed column fixedly connected with cylinder piece is passed through in the mid point department of connecting plate bottom, the fixed surface of fixed column is connected with the circular slab, the surface cover of cylinder piece is equipped with the connecting cylinder, the top of connecting cylinder is run through the circular slab and is pegged graft rather than the bottom, the mid point department fixedly connected with drill bit body of connecting cylinder bottom, the outside equidistance of circular slab is encircleed and is provided with four connecting blocks, the connecting hole has been seted up in the outside of connecting block, the cylinder piece outside just corresponds the position of connecting hole and has seted up threaded hole, be equipped with connecting screw in the connecting hole, connecting screw is close to the one end of cylinder piece and runs through connecting hole.

Preferably, the right side of the installation shell is provided with heat dissipation holes, and the dust screen is bonded at the position on the right side of the installation shell corresponding to the heat dissipation holes.

Preferably, the top of the connecting plate corresponds to the reinforcing ribs fixedly connected to the two sides of the drilling rotating shaft, and one side of each reinforcing rib, which is close to the drilling rotating shaft, is fixedly connected with the drilling rotating shaft.

Preferably, the bottom of the inner wall of the connecting cylinder is fixedly connected with three insertion blocks, and the insertion blocks are inserted into the bottom of the cylindrical block.

Preferably, the inner wall of the threaded hole is provided with an internal thread, and the surface of the connecting screw is provided with an external thread matched with the internal thread.

Preferably, the top of the base is fixedly connected with an antiskid plate, and the antiskid plate is a frosted plate.

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

1. the utility model discloses a drilling motor drives the drilling pivot and then drives the rotatory work of punching that can realize the work piece of driving of drill bit dismouting mechanism, when the installation drill bit, only need cup joint the connecting cylinder on the cylinder piece, and make the bottom that its top inserted the circular slab form peg graft, through install four connecting screw realize fixed can, this drilling machine of removable drill bit, structural design is reasonable, high durability and convenient use, can carry out quick replacement to the drill bit, therefore when carrying out the drilling in different apertures to the work piece, the drilling machine that need not to utilize different specifications, investment cost has been reduced indirectly, can satisfy diversified demand.

2. The utility model discloses a set up louvre and dust screen, the louvre can in time spill at the heat that the during operation produced to drilling motor, the dust screen can prevent that external dust from getting into to drilling motor in through the louvre, through setting up the strengthening rib, the fixed degree of being connected between connecting plate and the drilling pivot has been consolidated, prevent to drop each other, through setting up the inserted block, quantity is three and single-row formula design, can be after the connecting cylinder installation, make four screw holes of four jacks on its surface aim at four screw holes, and then be convenient for connect screw's installation, through setting up the antiskid ribbed tile, prevent that the work piece from placing on the base, produce the phenomenon of skidding at the during operation.

Drawings

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

FIG. 2 is a sectional view of the drill bit mounting and dismounting mechanism of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the cylindrical block of the present invention.

In the figure: the drilling machine comprises a base 1, a hydraulic telescopic column 2, a lifting block 3, a hydraulic device 4, a connecting rod 5, a mounting shell 6, a drilling motor 7, a drilling rotating shaft 8, a drill bit disassembling and assembling mechanism 9, a connecting plate 91, a fixing column 92, a cylindrical block 93, a circular plate 94, a connecting cylinder 95, a drill bit body 96, a connecting block 97, a connecting hole 98, a threaded hole 99, a connecting screw 910, a reinforcing rib 911, an inserting block 912, heat dissipation holes 10 and a dust screen 11.

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.

Please refer to fig. 1-3, a drilling machine with replaceable drill bit, which comprises a base 1, a top fixedly connected with antiskid plate 12 of base 1, antiskid plate 12 specifically adopts a sanding plate, a left side fixedly mounted at the top of base 1 has a hydraulic telescopic column 2, a top fixedly connected with lifting block 3 of hydraulic telescopic column 2, a side fixedly mounted with hydraulic device 4 used in cooperation with hydraulic telescopic column 2, connecting rod 5 fixedly connected with mounting shell 6 is passed through on the right side of lifting block 3, heat dissipation hole 10 has been seted up on the right side of mounting shell 6, dust screen 11 is bonded on the right side of mounting shell 6 and the position corresponding to heat dissipation hole 10, drilling motor 7 is fixedly mounted in mounting shell 6, fixedly connected with drilling pivot 8 on the output shaft of drilling motor 7, the bottom of drilling pivot 8 runs through mounting shell 6 and extends to external fixedly connected with drill bit dismounting mechanism 9.

The drill bit disassembling and assembling mechanism 9 comprises a connecting plate 91, the connecting plate 91 is fixedly connected to the bottom end of the drilling rotating shaft 8, reinforcing ribs 911 are fixedly connected to the top of the connecting plate 91 and correspond to two sides of the drilling rotating shaft 8, one side, close to the drilling rotating shaft 8, of each reinforcing rib 911 is fixedly connected with the drilling rotating shaft 8, a cylindrical block 93 is fixedly connected to the middle point of the bottom of the connecting plate 91 through a fixing column 92, a circular plate 94 is fixedly connected to the surface of each fixing column 92, a connecting cylinder 95 is sleeved on the surface of each cylindrical block 93, the top of each connecting cylinder 95 penetrates through the circular plate 94 and is inserted into the bottom of the connecting cylinder 95, three inserting blocks 912 are fixedly connected to the bottom of each cylindrical block 93 in an inserting mode, a drill bit body 96 is fixedly connected to the middle point of the bottom of each connecting cylinder 95, four connecting blocks 97 are arranged on the outer side of each circular plate 94 in, the connecting screw 910 is arranged in the connecting hole 98, one end of the connecting screw 910 close to the cylindrical block 93 sequentially penetrates through the connecting hole 98, the connecting block 97, the connecting cylinder 95 and the threaded hole 99 and extends into the threaded hole 99, an internal thread is arranged on the inner wall of the threaded hole 99, an external thread matched with the internal thread is arranged on the surface of the connecting screw 910, through arranging the heat dissipation hole 10 and the dust screen 11, the heat dissipation hole 10 can timely dissipate heat generated by the drilling motor 7 in operation, the dust screen 11 can prevent external dust from entering the drilling motor 7 through the heat dissipation hole 10, through arranging the reinforcing rib 911, the fixing degree of connection between the connecting plate 91 and the drilling rotating shaft 8 is reinforced and prevented from falling off, through arranging the inserting blocks 912, the number is three and single-row design, four inserting holes on the surface of the connecting cylinder 95 can be aligned with the four threaded holes 99 after being installed, and further the, through setting up antiskid ribbed tile 12, prevent that the work piece from placing on base 1, produce the phenomenon of skidding at the during operation, this drilling machine of removable drill bit, structural design is reasonable, and convenient to use can carry out quick replacement to the drill bit, therefore when carrying out the drilling in different apertures to the work piece, need not to utilize the drilling machine of different specifications, has indirectly reduced investment cost, can satisfy diversified demand.

During the use, drive drilling pivot 8 and then drive the rotatory work of punching that can realize the work piece of drill bit dismouting mechanism 9 through drilling motor 7, when the installation drill bit, only need cup joint connecting cylinder 95 on cylinder piece 93 to make its top insert the bottom of circular slab 94 and form the grafting, realize fixedly through installing four connecting screw 910, the drill bit body 96 that utilizes connecting cylinder 95 bottom carries out drilling work can, the above-mentioned step of order reverse operation when demolising the drill bit in the same way.

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 drilling machine of removable drill bit, includes base (1), its characterized in that: the drill bit disassembly and assembly device is characterized in that a hydraulic telescopic column (2) is fixedly mounted on the left side of the top of the base (1), a lifting block (3) is fixedly connected to the top end of the hydraulic telescopic column (2), a hydraulic device (4) matched with the hydraulic telescopic column for use is fixedly mounted on the side face of the hydraulic telescopic column (2), a mounting shell (6) is fixedly connected to the right side of the lifting block (3) through a connecting rod (5), a drilling motor (7) is fixedly mounted in the mounting shell (6), a drilling rotating shaft (8) is fixedly connected to an output shaft of the drilling motor (7), and the bottom end of the drilling rotating shaft (8) penetrates through the mounting shell (6) and extends to the outside of the mounting shell and is;

the drill bit dismounting mechanism (9) comprises a connecting plate (91), the connecting plate (91) is fixedly connected to the bottom end of the drilling rotating shaft (8), a cylindrical block (93) is fixedly connected to the middle point of the bottom of the connecting plate (91) through a fixing column (92), a circular plate (94) is fixedly connected to the surface of the fixing column (92), a connecting cylinder (95) is sleeved on the surface of the cylindrical block (93), the top of the connecting cylinder (95) penetrates through the circular plate (94) and is spliced with the bottom of the connecting cylinder, a drill bit body (96) is fixedly connected to the middle point of the bottom of the connecting cylinder (95), four connecting blocks (97) are arranged on the outer side of the circular plate (94) in an encircling mode at equal intervals, connecting holes (98) are formed in the outer side of the connecting block (97), and threaded holes (99) are formed in the outer side, a connecting screw (910) is arranged in the connecting hole (98), and one end, close to the cylindrical block (93), of the connecting screw (910) penetrates through the connecting hole (98), the connecting block (97), the connecting cylinder (95) and the threaded hole (99) in sequence and extends into the threaded hole (99).

2. A drill bit replaceable drill rig according to claim 1 wherein: the right side of the installation shell (6) is provided with heat dissipation holes (10), and the dust screen (11) is bonded on the right side of the installation shell (6) and in a position corresponding to the heat dissipation holes (10).

3. A drill bit replaceable drill rig according to claim 2 wherein: the drilling device is characterized in that reinforcing ribs (911) are fixedly connected to the top of the connecting plate (91) and the two sides of the corresponding drilling rotating shaft (8), and one side, close to the drilling rotating shaft (8), of each reinforcing rib (911) is fixedly connected with the drilling rotating shaft (8).

4. A drill bit replaceable drill rig according to claim 3 wherein: the bottom of connecting cylinder (95) inner wall fixedly connected with three inserted block (912), inserted block (912) is pegged graft with the bottom of cylinder piece (93).

5. A replaceable bit drilling machine as claimed in claim 4, characterized in that: the inner wall of the threaded hole (99) is provided with an internal thread, and the surface of the connecting screw (910) is provided with an external thread matched with the internal thread.

6. A replaceable bit drilling machine as claimed in claim 5, characterized in that: the top fixedly connected with antiskid ribbed tile (12) of base (1), antiskid ribbed tile (12) specifically adopts dull polish board.