CN210499286U

CN210499286U - Processing frock of unit head

Info

Publication number: CN210499286U
Application number: CN201921053978.9U
Authority: CN
Inventors: 姚向东; 胡晓东; 朱金妹; 陈富强; 柯寅峰
Original assignee: Haichen Precision Machinery Jiaxing Co Ltd
Current assignee: Haichen Precision Machinery Jiaxing Co Ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-05-12
Anticipated expiration: 2029-07-08

Abstract

The machining tool of the power head comprises a tool and a box body, wherein the box body is positioned on the tool; the tool is of an L-shaped structure, and two adjacent sides of the box body are simultaneously abutted against the tool; a driving seat mounting hole is formed in the box body, and a first matching hole communicated with the driving seat mounting hole is formed in the tool; a positioning pin is arranged between the box body and the tool and is positioned around the mounting hole of the driving seat, and a locking screw is connected between the box body and the tool; compared with the prior art, the machining method has the advantages that the bearing holes at two ends and the bottom surface are machined under the action of the five-axis machining center under the condition of one-time clamping of the tool in the finish machining process after rough machining is finished, the concentricity, the perpendicularity and the parallelism of the holes are effectively guaranteed, and the precision of the whole box body meets the assembly requirement.

Description

Processing frock of unit head

Technical Field

The utility model belongs to the technical field of the work piece processing, especially, relate to a processing frock of unit head.

Background

Along with the development of the numerical control machine tool technology, the numerical control machine tool can finish more and more complex precision machining, the requirement on the power head is more and more, and higher requirements are provided for the design and machining technology of the power head. The high-precision two-shaft power head for the auxiliary shaft of the numerical control machine tool has extremely high requirements on machining precision, noise, cutting performance and the like, has small market demand and is mainly imported.

In recent years, with the rise of the precision manufacturing market, the market demand of the power head is steadily increasing. Simultaneously, domestic like product machining precision can't satisfy high-end market demand, and the unit head processing degree of difficulty mainly is on the box machining precision, if: the aperture tolerance of the main shaft bearing mounting hole is 0.005mm, and the concentricity of the bearing mounting holes at the two ends is 0.01 mm. The machining size can affect the installation precision of the main shaft once the machining size is out of tolerance, the service life of a bearing can be affected, and the bearing installation hole in one end of the main shaft is arranged on a box body bracket, so that the precision is guaranteed by adopting an existing machining method. Secondly, the perpendicularity requirement of a driving seat mounting hole and a main shaft mounting hole on the bottom surface of the box body is 0.01mm, the parallelism requirement of the bottom surface and the main shaft mounting hole is 0.01mm, and the out-of-tolerance can influence the high-speed running of the umbrella-shaped teeth to generate abnormal sound.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome the defect among the above-mentioned prior art, provide a simple structure, fix a position accurate, the processing frock of high-efficient reliable unit head.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the machining tool of the power head comprises a tool and a box body, wherein the box body is positioned on the tool; the tool is of an L-shaped structure, and two adjacent sides of the box body are simultaneously abutted against the tool; a driving seat mounting hole is formed in the box body, and a first matching hole communicated with the driving seat mounting hole is formed in the tool; a positioning pin is arranged between the box body and the tool and located around the mounting hole of the driving seat, and a locking screw is connected between the box body and the tool.

As a preferred scheme of the utility model, be formed with gear shaft bearing hole and two parallel arrangement's main shaft hole on the box, gear shaft bearing hole and main shaft hole parallel arrangement, gear shaft bearing hole and drive the seat mounting hole and communicate mutually, and the main shaft hole sets up with the drive seat mounting hole is perpendicular.

As an optimized scheme of the utility model, be equipped with cutting fluid spout portion and box bracket on the box, cutting fluid spout portion and box bracket are located the relative both sides of box.

As a preferred scheme of the utility model, cutting fluid spouts portion and box bracket and is located the both ends in main shaft hole, and cutting fluid spouts portion towards the main shaft hole, and box bracket and box size looks adaptation.

As an optimized scheme of the utility model, be formed with on the box bracket with second mating holes and the third mating holes of tooth axle bearing hole and main shaft hole looks adaptation, the second mating holes is linked together with tooth axle bearing hole, and the third mating holes is linked together with the main shaft hole.

As an optimized scheme of the utility model, be equipped with the toper locating pin between box bracket and the box, the toper locating pin is located second mating holes both sides.

As an optimized proposal of the utility model, a fastening screw is arranged between the box bracket and the box body.

As an optimized scheme of the utility model, the frock size is greater than the box size, and the box wraps up in the frock.

As an optimized proposal of the utility model, a positioning hole is arranged on the tool.

As a preferred scheme of the utility model, the box bracket is attached to a side surface of the box.

The beneficial effects of the utility model are that, compare with prior art: through in the finish machining process after the rough machining is accomplished, realize under the clamping condition of a frock, process both ends dead eye and bottom surface under five machining centers's effect, effectively guaranteed the concentricity, the straightness that hangs down, the depth of parallelism in hole and hole, made the whole box precision satisfy the assembly needs.

Drawings

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

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

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

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

fig. 5 is a rear view of the present invention;

reference numbers in the figures: the machining tool comprises a tool 1, a first matching hole 1-1, a positioning hole 1-2, a box body 2, a driving seat mounting hole 2-1, a main shaft hole 2-2, a gear shaft bearing hole 2-3, a box body bracket 3, a third matching hole 3-1, a second matching hole 3-2, a fastening screw 3-3, a cutting fluid spraying part 4, a locking screw 5 and a conical positioning pin 6.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings.

As shown in fig. 1-5, the machining tool for the power head comprises a tool 1 and a box body 2, wherein the box body is positioned on the tool 1; the tool 1 is of an L-shaped structure, and two adjacent sides of the box body 2 are simultaneously abutted against the tool 1; a driving seat mounting hole 2-1 is formed in the box body 2, and a first matching hole 1-1 communicated with the driving seat mounting hole 2-1 is formed in the tool 1; a positioning pin is arranged between the box body 2 and the tool 1 and is positioned around the driving seat mounting hole 1-1, and a locking screw 5 is connected between the box body 2 and the tool 1.

The box 2 is located frock 1, realizes the location with the box 2 that the rough machining is good through between two locating pins and the frock 1, locks frock 1 and box 2 through locking screw 5, makes fixed connection between box 2 and the frock 1 under the effect of locking screw 5.

A gear shaft bearing hole 2-3 and two spindle holes 2-2 which are arranged in parallel are formed in the box body 2, the gear shaft bearing hole 2-3 is arranged in parallel with the spindle hole 2-2, the gear shaft bearing hole 2-3 is communicated with a driving seat mounting hole 2-1, the spindle hole 2-2 is not communicated with the driving seat mounting hole 2-1, the spindle hole 2-2 is perpendicular to the driving seat mounting hole 2-1, the gear shaft bearing hole 2-3 and the spindle hole 2-2 are arranged along the length direction of the box body 2, and two ends of the gear shaft bearing hole 2-3 and two ends of the spindle hole 2-2 are not interfered by the tool 1.

The box body 2 is provided with a cutting fluid spraying part 4 and a box body bracket 3, the cutting fluid spraying part 4 and the box body bracket 3 are positioned at two opposite sides of the box body 2, the cutting fluid spraying part 4 and the box body bracket 3 are positioned at two ends of the spindle hole 2-2, the cutting fluid spraying part 4 faces the spindle hole 2-2, the box body bracket 3 is matched with the box body 2 in size, the cutting fluid spraying part 4 is used for loading a cutting fluid nozzle, and the cutting fluid nozzle faces the spindle hole 2-2.

A second matching hole 3-2 and a third matching hole 3-1 matched with the gear shaft bearing hole 2-3 and the main shaft hole 2-2 are formed in the box body bracket 3, the second matching hole 3-2 is communicated with the gear shaft bearing hole 2-3, the third matching hole 3-1 is communicated with the main shaft hole 2-2, a conical positioning pin 6 is arranged between the box body bracket 3 and the box body 2, the conical positioning pin 6 is positioned on two sides of the second matching hole 3-2, a fastening screw 3-3 is also arranged between the box body bracket 3 and the box body 2, and the box body bracket 3 is attached to one side surface of the box body 2.

The size of the tool 1 is larger than that of the box body, the box body 2 is wrapped in the tool 1, and the tool 1 is provided with the positioning holes 1-2 to prevent external parts from interfering the box body 2.

In the actual use process, a five-axis vertical machining center is adopted, the first step is that the A axis is 90 degrees and the C axis is 0 degree, the machining main shaft hole 2-2 faces the plane where the cutting fluid spraying part 4 is located and the main shaft hole 2-2, the second part is that the C axis is 90 degrees, the machining driving seat mounting hole 2-1 and the third part is that the C axis is 180 degrees, the machining box body 2 is connected with the box body bracket 3 to form the plane and the gear shaft bearing hole 2-3, after the machining is finished, the box body bracket 3 positions the box body bracket 3 and the box body 2 through two conical positioning pins 6, the box body bracket 3 is fixedly connected with the box body 2 through fastening screws 3-3, the second matching hole 3-2, the third matching hole 3-1 and the surface of the box body bracket 3 are machined, the concentricity, the perpendicularity and the parallelism of the holes are effectively guaranteed, and the precision of the whole box body meets the.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more here: the tool comprises a tool 1, a first matching hole 1-1, a positioning hole 1-2, a box body 2, a driving seat mounting hole 2-1, a main shaft hole 2-2, a gear shaft bearing hole 2-3, a box body bracket 3, a third matching hole 3-1, a second matching hole 3-2, a fastening screw 3-3, a cutting fluid spraying part 4, a locking screw 5, a conical positioning pin 6 and other terms, but the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The machining tool for the power head is characterized by comprising a tool (1) and a box body (2), wherein the box body is positioned on the tool (1); the tool (1) is of an L-shaped structure, and two adjacent sides of the box body (2) are simultaneously abutted against the tool (1); a driving seat mounting hole (2-1) is formed in the box body (2), and a first matching hole (1-1) communicated with the driving seat mounting hole (2-1) is formed in the tool (1); a positioning pin is arranged between the box body (2) and the tool (1), the positioning pin is located around the driving seat mounting hole (2-1), and a locking screw (5) is connected between the box body (2) and the tool (1).

2. The machining tool for the power head according to claim 1, wherein a gear shaft bearing hole (2-3) and two spindle holes (2-2) which are arranged in parallel are formed in the box body (2), the gear shaft bearing hole (2-3) and the spindle holes (2-2) are arranged in parallel, the gear shaft bearing hole (2-3) is communicated with a driving seat mounting hole (2-1), and the spindle holes (2-2) and the driving seat mounting hole (2-1) are arranged perpendicularly.

3. The machining tool for the power head according to claim 2, wherein the box body (2) is provided with a cutting fluid spraying portion (4) and a box body bracket (3), and the cutting fluid spraying portion (4) and the box body bracket (3) are located on two opposite sides of the box body (2).

4. The machining tool for the power head according to claim 3, wherein the cutting fluid spraying portion (4) and the box body bracket (3) are located at two ends of the spindle hole (2-2), the cutting fluid spraying portion (4) faces the spindle hole (2-2), and the box body bracket (3) is matched with the box body (2) in size.

5. The machining tool for the power head according to claim 3, wherein a second matching hole (3-2) and a third matching hole (3-1) matched with the gear shaft bearing hole (2-3) and the main shaft hole (2-2) are formed in the box body bracket (3), the second matching hole (3-2) is communicated with the gear shaft bearing hole (2-3), and the third matching hole (3-1) is communicated with the main shaft hole (2-2).

6. The machining tool for the power head according to claim 5, wherein a conical positioning pin (6) is arranged between the box body bracket (3) and the box body (2), and the conical positioning pin (6) is located on two sides of the second matching hole (3-2).

7. The machining tool for the power head according to claim 6, wherein a fastening screw (3-3) is further arranged between the box body bracket (3) and the box body (2).

8. The machining tool for the power head according to claim 1, wherein the size of the tool (1) is larger than that of a box body, and the box body is wrapped in the tool (1).

9. The machining tool for the power head according to claim 8, wherein a positioning hole (1-2) is formed in the tool (1).

10. The machining tool for the power head according to claim 7, wherein the box body bracket (3) is attached to one side surface of the box body (2).