Online single-reference multi-station numerical control machining device for rolling mill housing

Abstract

The utility model relates to a rolling mill housing online single-reference multi-station numerical control machining device which comprises a Z milling head connected to a numerical control machine tool spindle through a mounting flange, the transmission distance of the Z milling head is lengthened, a multifunctional flange is arranged on the Z milling head, the single-reference multi-station numerical control machining device further comprises an L milling head, and the L milling head is connected to the numerical control machine tool spindle through a mounting flange. The L-shaped milling head is perpendicular to the main shaft face of the machine tool, the L-shaped milling head and the Z-shaped milling head are connected together through the multifunctional flange, the Z-shaped milling head transmits power to the L-shaped milling head, and the L-shaped milling head rotates on the Z-shaped milling head by 360 degrees without dead corners under the connection of the multifunctional flange. The workload of machining of the machine tool is reduced, the labor intensity is reduced, the machining time of the machine tool is prolonged, the machining efficiency is improved, and the machining precision of the machine tool is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing tool technical field especially relates to a kind of on-line single datum multi-station numerical control processing device of rolling mill frame. BACKGROUND

[0002] The processing working surface of rolling mill frame is usually single datum processing one to two stations, relying on the design of machine tool single bed head double main shaft, once the datum is aligned, the mutually parallel planes can be processed. However, the working surface of rolling mill frame is more, and the processing is complex, and the rolling mill frame needs to adjust the machine tool processing datum multiple times.

[0003] For the plane of other stations of traditional machine tool processing, the operator needs to disassemble and decompose the machine tool milling head, and the operator provides installation and alignment datum, which is equivalent to multiple disassembly and twice movement of machine tool, and the machine tool is repositioned. The machine tool processing efficiency is low, the disassembly workload is large, the processing cycle is long, and the manufacturing precision is low. SUMMARY

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a kind of on-line single datum multi-station numerical control processing device of rolling mill frame, and the power is transmitted to L milling head by Z milling head, the processing of rolling mill frame is realized, the rotation angle of L milling head is accurately controlled by using the indexing scale disc on multifunctional flange, and then the rolling mill frame of different stations is processed. Once the datum is aligned, the processing of different station planes can be completed, the machine tool processing efficiency is high, the precision is high, the workload is small, and the processing cycle is short.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A kind of on-line single datum multi-station numerical control processing device of rolling mill frame, including Z milling head, Z milling head is connected on numerical control machine tool main shaft by mounting flange, the transmission distance of Z milling head is lengthened, multifunctional flange is arranged on Z milling head, the single datum multi-station numerical control processing device further includes L milling head, L milling head is perpendicular to machine tool main shaft surface, L milling head and Z milling head are connected together by multifunctional flange, Z milling head transmits power to L milling head, L milling head is 360° no dead angle rotation on Z milling head under the connection of multifunctional flange.

[0007] Further, the Z milling head includes gear one, gear two, gear three and gear four, the gear one, gear two, gear three and gear four are cylindrical gears, the gear one, gear two, gear three and gear four are sequentially engaged in transmission in a straight line, the gear one is arranged on the input shaft of Z milling head, and the gear four is arranged on the output shaft of Z milling head.

[0008] Further, the L milling head includes spiral bevel gear one and spiral bevel gear two, and the spiral bevel gear one and the spiral bevel gear two are vertically engaged in transmission.

[0009] Furthermore, the outer circle of the multifunctional flange is provided with a graduation line disc.

[0010] Furthermore, a graduation line disc is provided on the outer circle of the mounting flange.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. The Z milling head and L milling head can realize multi-station one-time processing, without the need to dismantle and replace the milling head of the machine tool, without repeated positioning, and without the need to re-align the reference, which reduces the workload of machine tool processing, reduces labor intensity, increases machine tool processing time, improves processing efficiency, and has high machine tool processing accuracy.

[0013] 2. The Z milling head and L milling head can be combined with the processing machine tool to process the parallel or vertical surfaces of the rolling mill arch respectively, or they can be combined together to process multiple processing surfaces of the rolling mill arch. They are flexible to operate and quick to install. Multiple processing combinations can be completed in one installation, which improves processing efficiency and saves mill arch processing time.

[0014] 3. The multifunctional flange can control the multi-angle freedom adjustment of the L milling head, and the mounting flange can control the multi-angle freedom adjustment of the Z milling head, which is suitable for the processing of the anisotropic surface of the rolling mill. It has strong practicality and a wide range of applications, further improves the processing efficiency and increases the production operation rate.

[0015] 4. High-precision processing can be achieved in one step, which has high production efficiency, saves machine processing time, saves processing costs and increases output value. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of an online single-reference, multi-station CNC machining device for a rolling mill arch, as described in the present invention. The diagram includes: 1. Mounting flange; 2. Grooved screw; 3. Gear 1; 4. Gear 2; 5. Gear 3; 6. Gear 4; 7. Multi-function flange; 8. Positioning key; 9. Spiral bevel gear 1; 10. Spiral bevel gear 2; 11. Output spindle. DETAILED DESCRIPTION

[0017] The specific implementation of the utility model is further described below:

[0018] like Figure 1 As shown, the working principle of an online single-datum multi-station CNC machining device for a rolling mill arch is as follows: on the basis of a lengthened milling head Z milling head, a multifunctional flange 7 is added, a right-angle L milling head is set, and the L-shaped milling head is connected to the Z milling head through the multifunctional flange 7. With the help of the machine tool spindle's own interface, the compound milling head is installed on the machine tool spindle, and the output is achieved through the L milling head to realize machining perpendicular to the machine tool spindle surface, expand the machining station of the movable boring and milling machine, and realize machining of four or more stations with one datum.

[0019] As shown in Figure 1 The Z milling head is connected to the main shaft of the numerical control machine tool through the mounting flange 1, and the Z milling head is provided with an annular groove. The Z milling head can rotate without dead angle in a range of 360°. After being rotated to the required lower station, the annular groove screw 2 is tightened and fixed. The machine tool is adjusted to the appropriate angle for direct trial cutting and machining. The transmission distance of the Z milling head is lengthened. The transmission distance of the Z milling head is lengthened through the gear transmission. The multifunctional flange 7 is connected to the Z milling head. The single-reference multi-station numerical control machining device further comprises an L milling head. The L milling head is perpendicular to the main shaft surface of the machine tool. The L milling head and the Z milling head are connected together through the multifunctional flange 7 to form a composite milling head. The multifunctional flange 7 connects the two milling heads. The positioning key is arranged between the output shaft of the Z milling head and the input shaft of the L milling head. The positioning key 8 transmits the power of the Z milling head to the spiral bevel gear one 9 of the L milling head. The power is further transmitted to the meshing spiral bevel gear two 10. Finally, the power is transmitted to the output main shaft 11 of the L milling head to realize the machining of the different planes.

[0020] Through the rotation of the milling head twice, the composite machining plane can be finally realized. Multiple stations can be machined to process different workstations.

[0021] Further, the Z milling head comprises gear one 3, gear two 4, gear three 5 and gear four 6. The gear one 3, the gear two 4, the gear three 5 and the gear four 6 are cylindrical gears. The gear one 3, the gear two 4, the gear three 5 and the gear four 6 are in meshing transmission in a straight line in turn. The gear one 3 is arranged on the input shaft of the Z milling head. The gear four 6 is arranged on the output shaft of the Z milling head. The lengthened transmission distance of the Z milling head is lengthened. Each gear shaft can be provided with a milling head for machining. The machining distance is also lengthened. The machining range is larger.

[0022] Further, the L milling head comprises spiral bevel gear one 9 and spiral bevel gear two 10. The spiral bevel gear one 9 and the spiral bevel gear two 10 are in perpendicular meshing transmission. The milling head is arranged on the output main shaft 11 to machine the vertical working surface. The multifunctional flange 7 can machine the vertical surface at any angle.

[0023] Further, the multifunctional flange 7 is provided with a dividing line scale disc outside the circle. The multifunctional flange precisely controls the angle of 360° rotation of the L milling head to accurately limit the machining station.

[0024] Further, the mounting flange 1 is provided with a dividing line scale disc outside the circle. The mounting flange precisely controls the angle of 360° rotation of the Z milling head to accurately limit the machining station.

[0025] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An online single-reference multi-station CNC machining device for a rolling mill arch, comprising a Z milling head connected to a CNC machine tool spindle via a mounting flange, characterized in that: The transmission distance of the Z milling head is lengthened, and a multifunctional flange is provided on the Z milling head. The single-reference multi-station CNC machining device also includes an L milling head. The L milling head is perpendicular to the spindle surface of the machine tool. The L milling head and the Z milling head are connected together through a multifunctional flange. The Z milling head transmits power to the L milling head. The L milling head can rotate 360° without dead angles on the Z milling head under the connection of the multifunctional flange.

2. The rolling mill arch online single-reference multi-station CNC machining device according to claim 1 is characterized in that: The Z milling head includes gear 1, gear 2, gear 3 and gear 4. Gear 1, gear 2, gear 3 and gear 4 are cylindrical gears. Gear 1, gear 2, gear 3 and gear 4 are meshed and transmitted in a straight line in sequence. Gear 1 is set on the input shaft of the Z milling head, and gear 4 is set on the output shaft of the Z milling head.

3. The rolling mill arch online single-reference multi-station CNC machining device according to claim 1 is characterized in that: The L milling head comprises a first spiral bevel gear and a second spiral bevel gear, and the first spiral bevel gear and the second spiral bevel gear are vertically meshed for transmission.

4. The rolling mill arch online single-reference multi-station CNC machining device according to claim 1 is characterized in that: The outer circle of the multifunctional flange is provided with a graduation line disc.

5. The rolling mill arch online single-reference multi-station CNC machining device according to claim 1 is characterized in that: The outer circle of the mounting flange is provided with a graduation line disc.

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