CN218503377U

CN218503377U - Deep hole boring cutter bar for processing thin-wall oil cylinder barrel

Info

Publication number: CN218503377U
Application number: CN202222999121.4U
Authority: CN
Inventors: 梁曲考; 陈志�
Original assignee: Shaoguan Weiguang Hydraulic Cylinder Co ltd
Current assignee: Shaoguan Weiguang Hydraulic Cylinder Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-02-21
Anticipated expiration: 2032-11-09

Abstract

The utility model relates to a thin wall oil cylinder section of thick bamboo processing technology field specifically is a processing thin wall oil cylinder section of thick bamboo deep hole boring cutter arbor, including the seamless steel pipe of cold drawing, the inner wall swing joint of the seamless steel pipe of cold drawing has two supporting slide blocks, two supporting slide block swing joint is in the both sides of boring bar, the inside fixedly connected with a plurality of supporting bearing of boring bar, a plurality of supporting bearing all is connected with the power shaft, the one end of power shaft runs through at the middle part of unit head, and the deep hole boring cutter arbor after the improvement incessantly gets into the cutting through a plurality of blade of milling cutter dish bottom and produces the cutting with withdrawing from the cutting and cut for intermittent cutting, can not form continuous long smear metal scratch machined surface in the cutting process, has guaranteed processingquality, because the blade on the milling cutter dish is that the multi-disc participates in high-speed cutting simultaneously, and cutting thickness is very little, and produced cutting force is also less, also promotes for volume and feed speed, so cutting efficiency is also higher.

Description

Deep hole boring cutter bar for processing thin-wall oil cylinder barrel

Technical Field

The utility model relates to a thin wall oil cylinder section of thick bamboo processing technology field specifically is a deep hole boring cutter arbor of processing thin wall oil cylinder section of thick bamboo.

Background

The hydraulic cylinder is a linear motion type actuating element with output force being in direct proportion to the effective area of the piston and the pressure difference between the two sides of the piston, the hydraulic cylinder has the function of converting hydraulic energy into mechanical energy, and a cylinder shell is also called as a cylinder barrel and is an important component on the cylinder.

In the prior art, a cylinder barrel of a hydraulic oil cylinder is machined by boring an inner hole of the cylinder barrel by a deep hole boring machine, and the deep hole boring machine drives the cylinder barrel to rotate in the processes of rough boring and fine boring; the deep hole boring machine is characterized in that a tool bit fixedly connected with the boring rod is arranged at the front end of the boring rod, one or two symmetrical turning tools are arranged on the tool bit, relative rotary motion is generated between a rotary cylinder barrel and a non-rotary turning tool, the deep hole boring machine drives the boring rod to feed in the axial direction of the cylinder barrel, so that the turning tool on the boring rod turns off metal allowance of an inner hole of the cylinder barrel, boring processing of the inner hole of the cylinder barrel is realized, and the deep hole boring tool rod is an indispensable device in the processing process of a thin-wall oil cylinder barrel.

The inventor discovers that the prior art has the following problems in the process of realizing the utility model: 1. one or two symmetrical turning tools are arranged on a traditional tool bit, and long scraps are easy to scratch a machined surface in the machining process due to the fact that the two turning tools are far away from each other, so that machining quality is affected; 2. most of turning tools on the original tool bit are one or two, the number of the turning tools is small, the cutting force generated during cutting is large, the feeding amount or the feed speed has to be reduced, and the cutting efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a deep hole boring cutter arbor of processing thin wall oil cylinder section to solve the problem that the distance between two turning tools is far, long scraps easily appear in the processing process to scratch the processed surface and influence the processing quality, and the traditional tool bit is provided with one or two symmetrical turning tools in the background technology; and most of turning tools on the original tool bit are one or two, the number of the turning tools is small, the cutting force generated during cutting is large, the feeding amount or the feeding speed has to be reduced, and the cutting efficiency is low. In order to achieve the above purpose, the utility model provides a following technical scheme: the deep hole boring cutter bar comprises a cold-drawing seamless steel tube, wherein two supporting slide blocks are arranged on the inner wall of the cold-drawing seamless steel tube and movably connected to two sides of the boring bar, a plurality of supporting bearings are fixedly connected to the inside of the boring bar, a plurality of supporting bearings are arranged in the middle of each supporting bearing, one end of each power shaft penetrates through the middle of each power head, and a milling cutter disc is arranged at the other end of each power shaft.

Further preferably, the power shaft rotates the feeding structure through the power head.

Further preferably, the inner rings of the plurality of support bearings are attached to the outer side of the power shaft.

Preferably, the mounting rod of the milling cutter head is provided with two limiting grooves, and the two limiting grooves and the limiting lug in the power shaft form a limiting structure.

Preferably, two sliding grooves are formed in two sides of the boring rod, and the supporting sliding block is movably connected to the middle of each sliding groove.

Further preferably, a plurality of blades are equidistantly distributed at the bottom of the milling cutter disc.

Further preferably, the top end of the boring bar is in contact with the bottom of the power head.

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

the utility model discloses in, drive the seamless steel pipe of cold drawing through outside deep hole boring machine and carry out anticlockwise rotation, make the facing cutter carry out fast-speed clockwise rotation under the effect of unit head, a plurality of blade that makes the facing cutter bottom comes to cut the seamless steel pipe inner wall of cold drawing, the blade on the facing cutter is in incessantly gets into the cutting and withdraws from the state of cutting, consequently, the produced cutting of every blade is interrupted cutting, can not form continuous long smear metal scratch machined surface in the cutting process, the processingquality has been guaranteed.

The utility model discloses in, in rotatory and the motion process that the axial fed through the milling cutter dish, the continuous surplus of milling cold drawing seamless steel pipe hole of blade on the milling cutter dish, thereby produce milling process, because the blade on the milling cutter dish is that the multi-disc participates in high-speed cutting simultaneously, so every blade is when the cutting, the relative tradition list sword of the metal volume of cutting and double knives lathe tool, it is very little to mill blade cutting thickness, therefore produced cutting force is also less, give volume and feed speed also promote to some extent, so cutting efficiency is also higher.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of the present invention;

FIG. 4 is a front view of the present invention;

FIG. 5 is a schematic view of the front cross-sectional structure of the present invention;

fig. 6 is a schematic side view of the cross-sectional structure of the present invention.

In the figure: 1. cold-drawing the seamless steel tube; 2. a support slide block; 3. boring a rod; 4. a support bearing; 5. a power shaft; 6. a power head; 7. a milling cutter disc.

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 the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution: the deep hole boring cutter bar for machining the thin-wall oil cylinder barrel comprises a cold-drawn seamless steel tube 1, wherein two supporting slide blocks 2 are arranged on the inner wall of the cold-drawn seamless steel tube 1, the two supporting slide blocks 2 are movably connected to two sides of a boring rod 3, a plurality of supporting bearings 4 are fixedly connected to the inside of the boring rod 3, a power shaft 5 is arranged in the middle of each supporting bearing 4, one end of the power shaft 5 penetrates through the middle of a power head 6, and a milling cutter disc 7 is arranged at the other end of the power shaft 5.

In the present embodiment, as shown in fig. 1, 3, 5 and 6, the power shaft 5 rotates the feeding structure through the power head 6; so that the power head 6 can drive the power shaft 5 to rotate in a deviation manner, and the inside of the cold-drawn seamless steel tube 1 is refined.

In the embodiment, as shown in fig. 1 and fig. 6, the inner rings of the plurality of support bearings 4 are attached to the outer side of the power shaft 5; the long power shaft 5 can be supported, so that the power shaft 5 and the cold-drawn seamless steel tube 1 are always kept parallel.

In this embodiment, as shown in fig. 2, the mounting rod of the milling cutter disc 7 is provided with two limiting grooves, and the two limiting grooves and the limiting projection in the power shaft 5 form a limiting structure; the milling cutter head 7 can be limited, so that the milling cutter head 7 and the power shaft 5 are kept relatively static, and looseness is prevented in the high-speed rotation process.

In the embodiment, as shown in fig. 1, 3 and 5, two sliding grooves are formed in two sides of the boring bar 3, and the supporting sliding block 2 is movably connected to the middle of the sliding grooves; the spout can carry on spacingly to supporting slide block 2, prevents that supporting slide block 2 from skidding in the boring bar 3 outside, can not be fine fix boring bar 3 inside cold drawing seamless steel pipe 1.

In the embodiment, as shown in fig. 1, 5 and 6, a plurality of blades are equidistantly distributed at the bottom of the milling cutter disc 7; compared with the traditional single-knife or double-knife tool bit, the number of the blades is more, the distance between the blades is shorter, the cutting force applied during cutting is small, the cut metal chips are shorter, and the machined surface cannot be scratched.

In the present embodiment, as shown in fig. 3, 4, 5 and 6, the top end of the boring bar 3 is in contact with the bottom of the power head 6; the power head 6 can also push the boring bar 3 to feed along the central axis direction of the cold-drawn seamless steel tube 1 while rotating the power shaft 5, so as to finish-bore the inner wall of the cold-drawn seamless steel tube 1.

The utility model discloses a use method and advantage: when the deep hole boring cutter bar for processing the thin-wall oil cylinder barrel is rolled, the working process is as follows:

as shown in fig. 1, 2, 3, 4, 5 and 6, firstly, a cold-drawn seamless steel tube 1 to be processed is fixed on an external deep hole boring machine, the cold-drawn seamless steel tube 1 is driven by the deep hole boring machine to rotate anticlockwise, then a power head 6 is started to drive a power shaft 5 to rotate clockwise, the power shaft 5 rotates clockwise to drive a milling cutter disc 7 at the bottom end to rotate, and blades on the milling cutter disc 7 continuously mill the allowance of an inner hole of the cold-drawn seamless steel tube 1 in the movement process of rotation and axial feeding, so that milling processing is generated, because the blades on the milling cutter disc 7 are multiple and simultaneously participate in high-speed cutting, the amount of metal to be cut is very small compared with that of a traditional single cutter and double cutter during cutting of each blade, the cutting force of a turning tool is small, the cutting amount and the feed speed are improved, the cutting efficiency is also high, the blades on the milling cutter disc 7 are in a cutting and cutting state of ceaselessly entering the cutting and cutting, so that the cutting generated by each blade is an intermittent cutting is a cutting tool, the cutting force of a turning tool does not generate a central axis, the cutting tool does not generate continuous cutting and the cutting of a long slide block which can be used for forming a continuous cutting surface and can be supported by the cold-drawn seamless steel tube 1, and the support rod 3, and the seamless steel tube can be supported by the cold-drawn and the seamless steel tube 1, and the support rod 3, and the seamless steel tube can be stably supported by the boring rod, and the seamless steel tube 1, and the seamless steel tube can be supported by the seamless steel tube 1, and the seamless steel tube support rod 3, and the seamless steel tube.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a deep hole boring cutter arbor of processing thin wall oil cylinder section, includes cold drawing seamless steel pipe (1), its characterized in that: the inner wall of cold-drawing seamless steel pipe (1) is equipped with two supporting slide blocks (2), two supporting slide block (2) swing joint is in the both sides of boring bar (3), the inside fixedly connected with a plurality of supporting bearing (4) of boring bar (3), a plurality of the middle part of supporting bearing (4) is equipped with power shaft (5), the one end of power shaft (5) runs through the middle part at unit head (6), and the other end of power shaft (5) is equipped with milling cutter dish (7).

2. The deep hole boring cutter bar for processing the thin-wall oil cylinder barrel as claimed in claim 1, wherein: the power shaft (5) rotates to feed the structure through the power head (6).

3. The deep hole boring cutter bar for processing the thin-wall oil cylinder barrel as claimed in claim 1, wherein: the inner rings of the plurality of support bearings (4) are attached to the outer side of the power shaft (5).

4. The deep hole boring cutter bar for processing the thin-wall oil cylinder barrel as claimed in claim 1, characterized in that: two limiting grooves are formed in the mounting rod of the milling cutter disc (7), and the two limiting grooves and the limiting lugs in the power shaft (5) form a limiting structure.

5. The deep hole boring cutter bar for processing the thin-wall oil cylinder barrel as claimed in claim 1, characterized in that: two sliding grooves are formed in two sides of the boring rod (3), and the supporting sliding block (2) is movably connected to the middle of each sliding groove.

6. The deep hole boring cutter bar for processing the thin-wall oil cylinder barrel as claimed in claim 1, characterized in that: and a plurality of blades are distributed at the bottom of the milling cutter disc (7) at equal intervals.

7. The deep hole boring cutter bar for processing the thin-wall oil cylinder barrel as claimed in claim 1, wherein: the top end of the boring bar (3) is in contact with the bottom of the power head (6).