CN211276586U

CN211276586U - Rotary multi-bit assembly with fuel injection tube

Info

Publication number: CN211276586U
Application number: CN201921374410.7U
Authority: CN
Inventors: 陈聪友
Original assignee: Ma'anshan Lvzhun Cnc Technology Co ltd
Current assignee: Ma'anshan Lvzhun Cnc Technology Co ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-08-18
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a rotary multi-bit assembly with an oil injection pipe, a rotary box body is rotatablely arranged at one end of a movable telescopic arm, and the movable telescopic arm can drive the rotary box body to movably extend to the top of a workpiece through moving or stretching; the drill bit penetrates through the side wall of the rotary box body and extends into the rotary box body to be connected with a drill bit seat which is arranged in the rotary box body and is driven by a motor, a plurality of drill bits are arranged at intervals along the circumferential direction, and the drill bits can be adjusted to be in the vertical direction through the rotation of the rotary box body for processing; the oil sprayer is fixed to the digit control machine tool inner wall through end to end's multisection support arm on, and the oil sprayer passes through to supply oil pipe to be connected with the oil tank, can change the direction of oil sprayer through the adjustment support arm and spray machine oil or emulsified oil with the drilling position towards the drill bit. Convenient operation is swift, can rotate the drill bit of switching different types or the drill bit of different diameter of processing of the same type, practices thrift operating time, can also carry out long-time oil spout cooling and lubrication to drilling department, has optimized drilling effect greatly.

Description

Rotary multi-bit assembly with fuel injection tube

Technical Field

The utility model relates to a digit control machine tool processing technology field specifically, relates to a rotatory many drill bit assemblies with spout oil pipe.

Background

The numerical control drilling machine plays an important role in the aspects of punching and tapping. In practical applications, there are many different types of workpieces that need to be punched, especially some large workpieces with large diameter range, heavy weight and uneven surface.

The traditional process needs marking, aligning and drilling again, but because the workpiece is large in size and heavy and is difficult to move, when different types of holes need to be drilled, different drill bits are frequently replaced to bring inconvenience to machining, time and labor are wasted, and the machining efficiency of the numerical control machine tool is low.

Meanwhile, the temperature of the drill bit in contact with the workpiece is increased along with the increase of time, and the lubricating performance of the drill bit in contact with the workpiece is gradually reduced, so that the drilling effect is influenced.

Therefore, it is urgently needed to provide a rotary multi-bit assembly with an oil injection pipe, which can quickly replace drill bits with different types and different machining diameters according to needs and can cool and lubricate drilling areas.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rotatory many drill bit assembly with spout oil pipe, this rotatory many drill bit assembly with spout oil pipe convenient operation is swift, can rotate the drill bit that switches different types of drill bit or different machining diameter of the same type, practices thrift operating time, can also carry out long-time oil spout cooling lubrication to drilling department, has optimized drilling effect greatly.

In order to achieve the above object, the utility model provides a rotary multi-bit assembly with oil spout pipe, including rotary box, removal telescopic arm, a plurality of drill bits, multisection support arm and oil spout; wherein,

the rotary box body is rotatably arranged at one end of the movable telescopic arm, the other end of the movable telescopic arm is fixedly connected to the inner side wall or the inner top wall of the numerical control machine tool, and the movable telescopic arm can drive the rotary box body to movably extend to the top of a workpiece to be processed by the numerical control machine tool through movement or stretching;

the drill bit penetrates through the side wall of the rotary box body and extends to the inside to be detachably connected with a drill bit seat which is arranged in the rotary box body and is driven by a motor, a plurality of drill bits are arranged at intervals along the circumferential direction, and the required drill bits can be adjusted to the vertical direction and are close to a workpiece to carry out processing operation through the rotation of the rotary box body;

the oil sprayer is fixed to the digit control machine tool inner wall through end to end's multisection support arm on to, the oil sprayer is connected with the oil tank through supplying oil pipe, can change the direction of oil sprayer through the adjustment support arm and spray machine oil or emulsified oil with the drilling position towards the drill bit.

Preferably, adjacent support arms are connected through an extension plate, a plurality of sliding hole grooves are formed in the extension plate, and two ends of each support arm are respectively embedded in the sliding hole grooves in the adjacent extension plate in a sliding mode and fastened through a limiting bolt.

Preferably, the plurality of drills includes a plurality of twist drills, spade drills, deep hole drills, reamers and countersinks of different diameter ranges.

Preferably, the rotary box body is in a circular truncated cone shape, and a plurality of counterbores for mounting the drill bit are arranged on the side wall at intervals along the circumferential direction.

Preferably, the corners of the counterbore are rounded.

Preferably, the drill bit is installed with the drill bit seat through the reaming hole, and the reaming edge extends horizontally towards the drill bit direction to form a rubber check ring.

Preferably, the plurality of counterbores are evenly spaced in the circumferential direction.

Preferably, the front of the rotary box body is closed or opened by a circular end cover, and the circular end cover is fixedly connected to the rotary box body through threads.

Preferably, the circular end cover edge is formed with a plurality of bit identification areas in one-to-one correspondence with respective bits.

Preferably, the circular end cover is matched, limited and fixed with a square limiting bolt and a triangular limiting bolt which extend out of the rotary box body through a square limiting hole and a triangular limiting hole.

According to the technical scheme, the utility model is characterized in that the rotary box body is rotatably arranged at one end of the movable telescopic arm, and the other end of the movable telescopic arm is fixedly connected to the inner side wall or the inner top wall of the numerical control machine tool; therefore, the movable telescopic arm is opened to move or stretch, the rotary box body is driven to move and turn to extend to the top of a workpiece to be machined by the numerical control machine tool, and the layout of the inner part of the numerical control machine tool is flexibly and conveniently changed. And the drill bit penetrates through the side wall of the rotary box body and extends to the inside to be detachably connected with a drill bit seat which is arranged in the rotary box body and is driven by a motor, and the plurality of drill bits are arranged at intervals along the circumferential direction. By adopting the structure, the required drill bit can be adjusted to the vertical direction and is close to the workpiece for processing operation through the rotation of the rotary box body. After the drilling operation is finished, the drill bit is continuously and rotationally adjusted to the next drill bit, the telescopic arm is adjusted to the next drilling position through moving to enter the drilling operation, the whole process is convenient and fast, and time and labor are saved.

Simultaneously, with the fuel sprayer through end to end's multisection support arm fixed to the digit control machine tool inner wall on to, the fuel sprayer is connected with the oil tank through supplying oil pipe, can change the direction of fuel sprayer through the adjustment support arm and spray machine oil or emulsified oil with the drilling position towards the drill bit. Like this, spray oil towards drill bit and work piece drilling contact position through the fuel sprayer and can play the cooling to the high temperature contact point to and improve the lubricated effect of the two department of contact, both prolonged the life of drill bit, further optimized the drilling effect again.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a rotary multi-bit assembly having an oil jet pipe according to an embodiment of the present invention.

Description of the reference numerals

1-rotating case body 2-moving telescopic arm

3-bit 4-numerical control machine tool

5-workpiece 6-reaming

7-circular end cap 8-bit marking area

9-Square spacing hole 10-triangle spacing hole

11-support arm 12-oil nozzle

13-oil supply pipe 14-extension plate

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, unless otherwise specified, the terms of orientation such as "upper, lower, inner, outer" and the like included in the terms only represent the orientation of the terms in a conventional use state or are colloquially known by those skilled in the art, and should not be construed as limiting the terms.

Referring to fig. 1, the utility model provides a rotary multi-bit assembly with oil spray pipe, which comprises a rotary box body 1, a movable telescopic arm 2, a plurality of bits 3, a multi-section support arm 11 and an oil spray nozzle 12; wherein,

the rotary box body 1 is rotatably arranged at one end of the movable telescopic arm 2, the other end of the movable telescopic arm 2 is fixedly connected to the inner side wall or the inner top wall of the numerical control machine 4, and the movable telescopic arm 2 can drive the rotary box body 1 to movably extend to the top of a workpiece 5 to be processed by the numerical control machine 4 through movement or stretching;

the drill bits 3 penetrate through the side wall of the rotary box body 1 and extend to the inside to be detachably connected with a drill bit seat which is arranged in the rotary box body 1 and is driven by a motor, a plurality of drill bits 3 are arranged at intervals along the circumferential direction, and the required drill bits 3 can be adjusted to the vertical direction and are close to the workpiece 5 to carry out processing operation through the rotation of the rotary box body 1;

the oil nozzle 12 is fixed to the inner wall of the numerical control machine tool 4 through a plurality of sections of support arms 11 connected end to end, and the oil nozzle 12 is connected with an oil tank through an oil supply pipe 13, and the direction of the oil nozzle 12 can be changed by adjusting the support arms 11 to spray engine oil or emulsified oil at the drilling position towards the drill bit 3.

According to the technical scheme, the rotary box body 1 is rotatably arranged at one end of the movable telescopic arm 2, and the other end of the movable telescopic arm 2 is fixedly connected to the inner side wall or the inner top wall of the numerical control machine tool 4; like this, open and remove flexible arm 2 and just can remove or stretch out and draw back, drive rotatory box 1 activity, turn to and extend to the top of treating 4 processing work pieces 5 of digit control machine tool, the nimble inside overall arrangement that conveniently changes 4 digit control machine tools. And then the drill bits 3 penetrate through the side wall of the rotating box body 1 and extend to the inside to be detachably connected with a drill bit seat which is arranged in the rotating box body 1 and is driven by a motor, and the plurality of drill bits 3 are arranged at intervals along the circumferential direction. With this structure, the desired drill 3 can be adjusted to the vertical direction and brought close to the workpiece 5 for machining operation by rotation of the rotary case 1. After the drilling operation is finished, the drill bit 3 is continuously and rotationally adjusted to the next drill bit, the telescopic arm 2 is adjusted to the next drilling position through moving to enter the drilling operation, the whole process is convenient and fast, and time and labor are saved.

Simultaneously, with oil sprayer 12 through end to end's multisection support arm 11 fixed to the digit control machine tool inner wall on to, oil sprayer 12 is connected with the oil tank through supplying oil pipe 13, can change the direction of oil sprayer 12 through adjustment support arm 11 and spray machine oil or emulsified oil with the drilling position towards drill bit 3. Like this, spray oil through oil sprayer 12 towards drill bit 3 and work piece drilling contact position and can play the cooling of high temperature contact point to and improve the lubricated effect of the two contact department, both prolonged the life of drill bit 3, further optimized the drilling effect again.

In the present embodiment, in order to enlarge the adjustment orientation of the multi-section support arm 11 and expand the rotation angle of the oil jet 12, and further improve the adjustment flexibility, it is preferable that adjacent support arms 11 are connected by an extension plate 14, a plurality of sliding hole grooves are formed on the extension plate 14, and both ends of each support arm 11 are slidably fitted into the sliding hole grooves on the adjacent extension plate 14 and fastened by a limit bolt. Like this, when needs rotate, extension or shorten adjacent support arm 11, only need loosen limit bolt, nimble adjust to required position after again with limit bolt rotation locking can, whole process convenient and fast, it is laborsaving to save trouble.

In order to increase the types of drill bits of the rotary multi-bit assembly having the oil spray pipe, expand the types and the pore diameter ranges of the drill bits which can drill the oil spray pipe, and optimize the practicability of the rotary multi-bit assembly, preferably, the plurality of drill bits 3 include a plurality of twist drills, flat drills, deep hole drills, expanding drills, and counter drills having different diameter ranges.

Among them, twist drills are the most widely used hole machining tools. Typically in the range of 0.25 to 80mm in diameter. It is mainly composed of a working part and a handle part, wherein the working part is provided with two spiral grooves which are shaped like a twist.

The cutting part of the flat drill is in a shovel shape, the structure is simple, the manufacturing cost is low, and cutting fluid is easily guided into the hole. The flat drill has an integral structure and an assembled structure. The integral type is mainly used for drilling micropores with the diameter of 0.03-0.5 mm. The assembled flat drill blade can be replaced, can adopt internal cooling and is mainly used for drilling large holes with the diameter of 25-500 mm.

Deep hole drilling generally refers to tools that machine holes having a ratio of hole depth to hole diameter greater than 6. Commonly used are gun drills, BTA gun drills, jet drills, DF gun drills, and the like.

The reaming drill has 3-4 cutter teeth, and the rigidity of the reaming drill is better than that of a twist drill, so that the reaming drill is used for enlarging the existing hole and improving the machining precision and the finish.

The countersink drill has more cutter teeth, and the hole end is processed into a required shape by a forming method and used for processing countersunk holes of various countersunk head screws or flattening the outer end surface of the hole.

In this embodiment, in order to facilitate the rotation of the rotary case 1 to adjust the position of the drill and to ensure the stability during the rotation, it is preferable that the rotary case 1 has a circular truncated cone shape and a plurality of counterbores 6 for mounting the drill are formed in the side wall at intervals in the circumferential direction.

The spare part of digit control machine tool and the part of processing thereof are mostly the metal of hard material and make, consequently form sharp edge on the reaming 6 and cause the mar to drill bit 3 easily if not handling, even with artifical manual installation drill bit 3's workman's fish tail, in order to avoid above-mentioned condition to take place, improve the security in this rotatory drill bit subassembly use, preferably, the corner rounding of reaming 6 is handled.

In order to solve the above technical problems, it is preferable that the drill bit 3 is installed to pass through the counterbore 6 and the bit seat, and the edge of the counterbore 6 extends horizontally toward the drill bit 3 to form a rubber check ring. Through using the normal installation dismantlement process that neither can influence drill bit 3 of rubber retaining ring, can keep off the metal debris that splashes again down, reduced the number of times that rotatory box 1 was damaged the maintenance.

In order to keep the rotating box body 1 as balanced as possible during the rotation adjustment process and after installing the plurality of drill bits 3 and reduce unnecessary abrasion caused by uneven stress on the joint of the rotating box body 1 and the movable telescopic arm 2, preferably, the plurality of counterbores 6 are uniformly arranged at intervals in the circumferential direction.

Because the inside part of rotatory box 1 and the many parts of the cooperation installation of a plurality of drill bits 3, open to form great maintenance operation space for the maintenance in order to make things convenient for it, improve work efficiency, preferably, rotatory box 1 the place ahead is sealed or is opened through circular end cover 7, and circular end cover 7 screw thread rigid coupling is to rotatory box 1 on.

Because the drill bits 3 are various, even the drill bits 3 of the same type may be arranged and assembled with a plurality of different machining diameters, in order to facilitate visual, simple and convenient grasping of specific parameters such as the type and position of the drill bits 3 in the manual adjustment or drilling machining process, it is preferable that the edge of the circular end cover 7 is formed with a plurality of drill bit identification areas 8 corresponding to the corresponding drill bits 3 one by one.

Similarly, the drill bits 3 of different kinds and different machining diameters are more in quantity, when the circular end cover 7 is disassembled and then is re-installed, in order to prevent the circular end cover 7 from being installed and dislocated, the drill bit identification area 8 cannot correspond to the corresponding drill bits 3 one by one, and the normal operation is seriously affected, preferably, the circular end cover 7 is matched and limited and fixed with the square limiting bolt and the triangular limiting bolt extending out of the rotary box body 1 through the square limiting hole 9 and the triangular limiting hole 10. Therefore, a mechanism for preventing misoperation can be formed by mutually matching the limiting bolt and the limiting hole, and dislocation after installation is effectively avoided.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. A rotary multi-bit assembly with an oil spray pipe is characterized by comprising a rotary box body (1), a movable telescopic arm (2), a plurality of bits (3), a multi-section supporting arm (11) and an oil spray nozzle (12); wherein,

the rotary box body (1) is rotatably arranged at one end of the movable telescopic arm (2), the other end of the movable telescopic arm (2) is fixedly connected to the inner side wall or the inner top wall of the numerical control machine tool (4), and the movable telescopic arm (2) can drive the rotary box body (1) to movably extend to the top of a workpiece (5) to be processed by the numerical control machine tool (4) through moving or stretching;

the drill bits (3) penetrate through the side wall of the rotary box body (1) and extend to the inside to be detachably connected with a drill bit seat which is arranged in the rotary box body (1) and is driven by a motor, a plurality of drill bits (3) are arranged at intervals along the circumferential direction, and the required drill bits (3) can be adjusted to the vertical direction and are close to the workpiece (5) to carry out machining operation through the rotation of the rotary box body (1);

oil spout nozzle (12) are through end to end's multisection support arm (11) are fixed extremely on digit control machine tool (4) inner wall, and, oil spout nozzle (12) are connected with the oil tank through supply oil pipe (13), through the adjustment support arm (11) can change the direction of oil spout nozzle (12) is in order to face the drilling position of drill bit (3) sprays machine oil or emulsified oil.

2. The rotary multi-bit assembly with an oil spray pipe according to claim 1, wherein adjacent support arms (11) are connected by an extension plate (14), a plurality of sliding hole grooves are formed on the extension plate (14), and both ends of the support arms (11) are slidably inserted into the sliding hole grooves on the adjacent extension plate (14) and fastened by a limit bolt.

3. The rotary multi-bit assembly with oil jet nozzle according to claim 1, characterized in that the plurality of bits (3) comprises a plurality of twist drills, flat drills, deep hole drills, reamers and countersinks with different diameter ranges.

4. The rotary multi-bit assembly with oil spray bar according to claim 1, characterized in that the rotary case (1) is truncated cone shaped and the side wall is provided with a plurality of counterbores (6) for bit mounting at intervals in the circumferential direction.

5. The rotary multi-bit assembly with oil spray bar of claim 4, characterized in that the corners of the counterbore (6) are rounded.

6. The rotary multi-bit assembly with oil spray bar according to claim 4, characterized in that the bit (3) is mounted with the bit seat through the counterbore (6) and the counterbore (6) edge is formed with a rubber collar extending horizontally towards the bit (3).

7. The rotary multi-bit assembly with an oil spout tube according to claim 4, characterized in that a plurality of the counterbores (6) are evenly spaced in a circumferential direction.

8. The rotary multi-bit assembly with oil spray bar according to claim 4, characterized in that the front of the rotary case (1) is closed or opened by a circular end cap (7), the circular end cap (7) being screwed onto the rotary case (1).

9. The rotary multi-bit assembly with oil jet nozzle according to claim 8, characterized in that the circular end cover (7) is formed with a plurality of bit identification areas (8) at its edge in one-to-one correspondence with the respective bits (3).

10. The rotary multi-bit assembly with an oil spray pipe according to claim 8, characterized in that the circular end cover (7) is matched and fixed with a square limit bolt and a triangular limit bolt extending from the inside of the rotary box body (1) through a square limit hole (9) and a triangular limit hole (10).