Face milling machine with milling depth positioning function

Abstract

The invention discloses a face milling machine with a milling depth positioning function, which comprises a rack, a conveying roller way, a main shaft, a driving mechanism, two limiting assemblies and a milling cutter assembly, the main shaft is rotatably connected to the rack, and the two limiting assemblies and the milling cutter assembly are equidistantly arranged around the axis of the main shaft at intervals; the main shaft, the limiting assembly and the milling cutter assembly can be driven by the driving mechanism to rotate, the limiting assembly is fixedly connected with the main shaft, first depth setting wheels are arranged on the limiting mechanism, the conveying roller way and the main shaft are arranged adjacently, the top end of the milling cutter protrudes out of a second depth setting wheel, and the space between the two first depth setting wheels and the second depth setting wheel is a milling space. The workpiece can extend into the milling space in the axial direction of the workpiece under driving of the conveying roller way, the milling cutter assembly can be driven by the follow-up mechanism to get close to the workpiece, and the milling cutter can mill the peripheral wall of the workpiece. The method is good in face milling effect.

Description

Technical Field

[0001] The present invention relates to a surface milling machine, and more particularly to a surface milling machine with a function of positioning the milling depth. Background Art

[0002] A cyclone surface milling machine is a mechanical device used for milling the surface of a workpiece to be processed. It mainly mills the oxide layer, impurities, defects, etc. on the surface of the workpiece to be processed by rotating the milling cutter to cut chips and the axial movement of the workpiece to be processed, so that the surface of the workpiece to be processed is flat to meet the corresponding process requirements. The milling depth of the existing surface milling machine is adjusted by an experienced technician by adjusting the position of the bolt limit. This method usually does not have the function of depth setting, and the relative position between the milling cutter and the process center of the equipment is determined by adjustment. When there is a certain deviation in the axial straightness of the workpiece such as a continuous casting billet during the production process, convex and concave surfaces are easily formed on the outer peripheral wall of the workpiece. When the milling cutter mills the convex and concave surfaces of the workpiece, the milling cutter cannot adjust the position between the workpiece, and there will be over-milling or under-milling, which cannot meet the corresponding process requirements. Under-milling will cause direct quality problems, and over-milling will cause a decrease in the yield rate of the process, which is not conducive to industrial production and large-scale promotion. Summary of the Invention

[0003] In order to overcome the above defects, the present invention provides a surface milling machine with a function of positioning the milling depth, and the surface milling machine with a function of positioning the milling depth has the advantage of good milling effect.

[0004] The technical solution adopted by the present invention to solve its technical problems is: a surface milling machine with a function of positioning the milling depth, including: a frame, a conveying roller path, a main shaft, a driving mechanism, two limiting components and a milling cutter assembly. The main shaft is rotatably connected to the frame. The two limiting components and the milling cutter assembly are arranged at equal intervals around the axis of the main shaft. The main shaft, the limiting components and the milling cutter assembly can rotate under the drive of the driving mechanism. The limiting components are fixedly connected to the main shaft. A first depth-setting wheel is arranged on the limiting mechanism. The conveying roller path and the main shaft are arranged adjacent to each other. The milling cutter assembly is elastically connected to the main shaft through a follow-up mechanism. A second depth-setting wheel and a milling cutter are arranged side by side on the milling cutter assembly. The second depth-setting wheel is located on the side close to the conveying roller path. The top of the milling cutter protrudes from the second depth-setting wheel. The space between the two first depth-setting wheels and the second depth-setting wheel is a milling space. The workpiece can extend into the milling space along its own axis under the drive of the conveying roller path. The outer peripheral wall of the workpiece can abut against the first depth-setting wheel. The milling cutter assembly can approach the workpiece under the drive of the follow-up mechanism. The milling cutter can mill the outer peripheral wall of the workpiece. The second depth-setting wheel can abut against the outer peripheral wall of the workpiece.

[0005] Optionally, the limiting component further includes two limiting seats and a first wheel seat. The two limiting seats are fixedly arranged opposite to each other on the main shaft. The first wheel seat is fixed to the two limiting seats. The first depth-setting wheel is rotatably connected to the first wheel seat.

[0006] Optionally, the milling cutter assembly further comprises a second wheel seat and a milling cutter seat, connecting plates are arranged on both sides of the second wheel seat, an arc-shaped opening is opened on the connecting plate, the bottom end of the positioning piece can pass through the arc-shaped opening and then connect to the main shaft, a positioning block is arranged on the top of the positioning piece to prevent the connecting plate from being separated from the positioning piece, the milling cutter seat and the second fixed depth wheel are coaxially connected to the second wheel seat in parallel, the second fixed depth wheel and the second wheel seat are rotatably connected, the milling cutter seat and the second wheel seat are fixedly connected, the milling cutter is detachably fixed to the milling cutter seat by bolts, the distance between the top end of the milling cutter and the axis of the milling cutter seat is greater than the radius of the second fixed depth wheel, The follower mechanism includes a spring seat, a compression spring and a follower rod. The interior of the spring seat is hollow, the spring seat is fixed to the main shaft, the follower rod is slidably inserted into the spring seat, the compression spring is arranged in the spring seat and sleeved on the follower rod, a support plate is fixed on the follower rod, the two ends of the compression spring respectively abut against the inner wall of the spring seat and the support plate, the first end of the follower rod is provided with an arc-shaped protrusion, the side wall of the second wheel seat is provided with an abutment seat, the abutment seat is provided with an arc-shaped groove, the arc-shaped protrusion can extend into the arc-shaped groove, and the second end of the follower rod is provided with a circle of limiting protrusions protruding along the radial direction of the follower rod.

[0007] Optionally, the outer peripheral wall of the abutting plate is provided with a circle of folded edge.

[0008] Optionally, a positioning assembly is further included, which is arranged on the side of the milling cutter assembly and is located opposite to the follower mechanism. The positioning assembly includes a positioning seat and a positioning rod. The positioning seat is fixed to the main shaft, and the positioning rod is fixed to the positioning seat. The end of the positioning rod protrudes from the positioning seat, and the side wall of the second wheel seat away from the abutment seat can abut against the end of the positioning rod.

[0009] Optionally, the spindle is rotatably connected to the frame via a bearing, the driving mechanism is a motor, the motor is fixed to the frame, the rotating shaft of the motor is connected to the spindle via a belt drive, a through hole for the workpiece to pass through is opened at the axis of the spindle, and the axis of the spindle, the axis of the first fixed depth wheel and the axis of the second fixed depth wheel are parallel to each other.

[0010] The beneficial technical effects of the present invention are as follows: The milling machine with a milling depth positioning function includes a frame, a transport roller path, a main shaft, a drive mechanism, two limit components, and a milling cutter assembly. During use, the workpiece is moved into the milling space under the drive of the transport roller path. The outer peripheral wall of the workpiece abuts against the first depth positioning wheel and the second depth positioning wheel. The main shaft, the limit components, and the milling cutter assembly rotate under the drive of the drive mechanism. The milling cutter continuously mills the outer peripheral wall of the workpiece by rotating around the circumference of the workpiece. During the milling process, the follower mechanism drives the second depth positioning wheel and the milling cutter closer to the workpiece to ensure that the second depth positioning wheel and the milling cutter can always contact the workpiece. The second depth positioning wheel can play a limiting role to prevent the milling cutter from over-milling, thereby achieving depth positioning. The distance between the outer peripheral wall of the second depth positioning wheel and the top of the milling cutter is the set depth of milling. When the straightness of the workpiece deviates, since the milling cutter assembly is elastically connected to the main shaft through the follower mechanism, when the second depth positioning wheel contacts the convex surface of the workpiece, the convex surface can push the second depth positioning wheel to move the milling cutter assembly away from the workpiece to avoid over-milling. When the second depth positioning wheel contacts the concave surface of the workpiece, the follower mechanism can drive the milling cutter assembly closer to the workpiece to avoid under-milling. When the straightness of the workpiece deviates, the follower mechanism guides the milling cutter to make corresponding position changes through the change in the contact position between the second depth positioning wheel and the workpiece, so as to ensure that the milling cutter can always perform normal milling operations and avoid over-milling or under-milling. Compared with the existing milling machines, it not only has the function of depth positioning but also avoids over-milling and under-milling, and the milling effect is better. It has the advantage of good milling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is the front view of the whole machine of the present invention;

[0012] Figure 2 is the side view of the whole machine of the present invention;

[0013] Figure 3 is the structural schematic diagram of the milling cutter assembly, the follower mechanism, and the positioning assembly of the present invention;

[0014] Figure 4 is the side sectional view of the milling cutter milling a flat workpiece of the present invention;

[0015] Figure 5 is the side sectional view of the milling cutter milling the convex surface of the workpiece of the present invention;

[0016] Figure 6 is the side sectional view of the milling cutter milling the concave surface of the workpiece of the present invention;

[0017] Wherein:

[0018] 1. Machine frame; 2. Spindle; 3. First depth-fixed wheel; 4. Second depth-fixed wheel; 5. Milling cutter; 6. Workpiece; 7. Limit seat; 8. First wheel seat; 9. Second wheel seat; 10. Connecting piece; 11. Positioning member; 12. Spring seat; 13. Compression spring; 14. Follow-up rod; 15. Abutting plate; 16. Abutting seat; 17. Positioning seat; 18. Positioning rod. Specific embodiments

[0019] In order to better understand the technical means of the present invention and implement it in accordance with the content of the specification, the following further describes the specific embodiments of the present invention in detail with reference to the accompanying drawings and embodiments. The following embodiments are used to illustrate the present invention but not to limit the scope of the present invention.

[0020] This specific embodiment details the milling machine with milling depth positioning function described in this application, as Figures 1-6As shown in the figure, the milling machine with the function of positioning the milling depth includes: a frame 1, a conveying roller path, a main shaft 2, a driving mechanism, two limiting components and a milling cutter assembly. The main shaft 2 is rotatably connected to the frame 1. The two limiting components and the milling cutter assembly are arranged at equal intervals around the axis of the main shaft 2. The main shaft 2, the limiting components and the milling cutter assembly can rotate under the drive of the driving mechanism. The limiting components are fixedly connected to the main shaft 2. A first depth-setting wheel 3 is arranged on the limiting mechanism. The conveying roller path and the main shaft 2 are arranged adjacent to each other. The milling cutter assembly is elastically connected to the main shaft 2 through a follow-up mechanism. A second depth-setting wheel 4 and a milling cutter 5 are arranged side by side on the milling cutter assembly. The second depth-setting wheel 4 is located on the side close to the conveying roller path. The top of the milling cutter 5 protrudes from the second depth-setting wheel 4. The space between the two first depth-setting wheels 3 and the second depth-setting wheel 4 is the milling space. The workpiece 6 can extend into the milling space along its own axis under the drive of the conveying roller path. The outer peripheral wall of the workpiece 6 can abut against the first depth-setting wheel 3. The milling cutter assembly can approach the workpiece 6 under the drive of the follow-up mechanism. The milling cutter 5 can mill the outer peripheral wall of the workpiece 6. The second depth-setting wheel 4 can abut against the outer peripheral wall of the workpiece 6. During use, the workpiece 6 is moved into the milling space under the drive of the conveying roller path. The outer peripheral wall of the workpiece 6 abuts against the first depth-setting wheel 3 and the second depth-setting wheel 4. The main shaft 2, the limiting components and the milling cutter assembly rotate under the drive of the driving mechanism. The milling cutter 5 continuously mills the outer peripheral wall of the workpiece 6 by rotating around the circumference of the workpiece 6. During the milling process, the follow-up mechanism drives the second depth-setting wheel 4 and the milling cutter 5 to approach the workpiece 6 to ensure that the second depth-setting wheel 4 and the milling cutter 5 can always contact the workpiece 6. The second depth-setting wheel 4 can play a role in limiting to prevent the milling cutter 5 from over-milling, thereby realizing depth setting. The distance between the outer peripheral wall of the second depth-setting wheel 4 and the top of the milling cutter 5 is the depth of the milling depth setting. When the straightness of the workpiece 6 deviates, since the milling cutter assembly is elastically connected to the main shaft 2 through the follow-up mechanism, when the second depth-setting wheel 4 contacts the convex surface of the workpiece 6, the convex surface can push the second depth-setting wheel 4 to make the milling cutter assembly away from the workpiece 6, so as to avoid over-milling. When the second depth-setting wheel 4 contacts the concave surface of the workpiece 6, the follow-up mechanism can drive the milling cutter assembly to further approach the workpiece 6, so as to avoid under-milling. When the straightness of the workpiece 6 deviates, the follow-up mechanism guides the milling cutter 5 to make corresponding position changes through the change of the contact position between the second depth-setting wheel 4 and the workpiece 6, so as to ensure that the milling cutter 5 can always carry out normal milling operations and avoid over-milling or under-milling. Compared with the existing milling machines, it not only has the function of depth setting, but also avoids over-milling and under-milling, and has a better milling effect. It has the advantage of good milling effect.

[0021] Optionally, in this embodiment, the limiting component further includes two limiting seats 7 and a first wheel seat 8. The two limiting seats 7 are fixedly arranged opposite to each other on the main shaft 2. The first wheel seat 8 is fixed to the two limiting seats 7. The first depth-setting wheel 3 is rotatably connected to the first wheel seat 8. In this embodiment, the first depth-setting wheel 3 and the second depth-setting wheel 4 have the same size and structure.

[0022] Optionally, in this embodiment, the milling cutter assembly further includes a second wheel seat 9 and a milling cutter seat, and connecting pieces 10 are provided on both sides of the second wheel seat 9, and an arc-shaped opening is provided on the connecting piece 10. The bottom end of the positioning piece 11 can pass through the arc-shaped opening and connect to the main shaft 2, and the top end of the positioning piece 11 is provided with a positioning block that can prevent the connecting piece 10 from being separated from the positioning piece 11. The milling cutter assembly is connected to the main shaft 2 by the positioning piece 11 that is slidably connected to the arc-shaped opening, and the arc-shaped opening can also provide a limit for the swing of the milling cutter assembly, and the positioning block can fix the milling cutter assembly in the axial direction to prevent the milling cutter assembly from axially moving along the main shaft 2 during the milling process.

[0023] The milling cutter seat and the second fixed depth wheel 4 are coaxially connected to the second wheel seat 9 in parallel, the second fixed depth wheel 4 is rotatably connected to the second wheel seat 9, the milling cutter seat and the second wheel seat 9 are fixedly connected, the milling cutter 5 is detachably fixed to the milling cutter seat by bolts, and the distance between the top of the milling cutter 5 and the axis of the milling cutter seat is greater than the radius of the second fixed depth wheel 4. The milling cutter 5 is detachably fixed to the milling cutter seat by bolts, which can facilitate the replacement of milling cutters 5 of different lengths, thereby adjusting the milling depth. In some optional embodiments, the radius of the second fixed depth wheel 4 is 82.1 mm, and the distance between the top of the milling cutter 5 and the axis of the milling cutter seat is 82.5 mm, so that the milling depth is 0.4 mm.

[0024] The follower mechanism includes a spring seat 12, a compression spring 13 and a follower rod 14. The interior of the spring seat 12 is hollow, the spring seat 12 is fixed to the main shaft 2, the follower rod 14 is slidably penetrated in the spring seat 12, the compression spring 13 is arranged in the spring seat 12 and sleeved on the follower rod 14, a support plate 15 is fixed on the follower rod 14, the two ends of the compression spring 13 respectively abut against the inner wall of the spring seat 12 and the support plate 15, the first end of the follower rod 14 is provided with an arc-shaped protrusion, the side wall of the second wheel seat 9 is provided with an abutment seat 16, the abutment seat 16 is provided with an arc-shaped groove, the arc-shaped protrusion can extend into the arc-shaped groove, and the second end of the follower rod 14 is provided with a circle of limiting protrusions along the radial protrusion of the follower rod 14. When the second depth setting wheel 4 contacts the curved convex surface of the workpiece 6, the curved convex surface of the workpiece 6 squeezes the second depth setting wheel 4 so that the second depth setting wheel 4 moves away from the workpiece 6, thereby avoiding over-milling. At this time, the compression spring 13 is compressed. When the second depth setting wheel 4 contacts the curved concave surface of the workpiece 6, the compression spring 13 can drive the follower rod 14 to approach the workpiece 6. The second depth setting wheel 4 can approach the workpiece 6 under the push of the follower rod 14, thereby avoiding missed milling. The milling cutter assembly is elastically connected to the spindle 2 through the elastic force of the spring seat 12.

[0025] Optionally, in this embodiment, a circle of folded edges is provided on the outer peripheral wall of the abutting plate 15. The folded edges can wrap one end of the compression spring 13 close to the abutting plate 15 to protect the compression spring 13.

[0026] Optionally, in this embodiment, it further includes a positioning component. The positioning component is arranged on the side of the milling cutter component opposite to the follower mechanism. The positioning component includes a positioning seat 17 and a positioning rod 18. The positioning seat 17 is fixed to the main shaft 2, the positioning rod 18 is fixed to the positioning seat 17, and the end of the positioning rod 18 protrudes from the positioning seat 17. The side wall of the second wheel seat 9 away from the abutting seat 16 can abut against the end of the positioning rod 18. When the workpiece 6 is separated from the main shaft 2, in order to avoid the situation that the second depth setting wheel 4 suddenly loses abutment and causes the milling cutter component to swing too much under the push of the compression spring 13, the positioning component is provided. In this way, when the workpiece 6 is separated from the main shaft 2, the second wheel seat 9 swings towards the positioning component under the push of the compression spring 13. At this time, the side wall of the second wheel seat 9 can abut against the end of the positioning rod 18, so as to avoid excessive swing. In some optional embodiments, the end of the positioning rod 18 is provided with a flexible buffer material.

[0027] Optionally, in this embodiment, the main shaft 2 is rotatably connected to the frame 1 through a bearing. The driving mechanism is a motor. The motor is fixed to the frame 1, and the rotating shaft of the motor is connected to the main shaft 2 through a belt drive. A through hole for the workpiece 6 to pass through is opened at the axis of the main shaft 2. The axes of the main shaft 2, the first depth setting wheel 3, and the second depth setting wheel 4 are parallel to each other.

[0028] Using the milling machine with milling depth positioning function in this embodiment has the advantage of good milling effect.

Claims

1. A milling machine with milling depth positioning function, characterized in that: include: A frame (1), a transport roller, a main shaft (2), a driving mechanism, two limit assemblies and a milling cutter assembly, wherein the main shaft (2) is rotatably connected to the frame (1), the two limit assemblies and the milling cutter assembly are arranged at equal intervals around the axis of the main shaft (2), the main shaft (2), the limit assemblies and the milling cutter assembly can rotate under the drive of the driving mechanism, the limit assemblies and the main shaft (2) are fixedly connected, a first fixed depth wheel (3) is arranged on the limit mechanism, the transport roller and the main shaft (2) are arranged adjacent to each other, the milling cutter assembly is elastically connected to the main shaft (2) through a follower mechanism, and a second fixed depth wheel (4) is arranged side by side on the milling cutter assembly. ) and a milling cutter (5), the second fixed depth wheel (4) is located on a side close to the transport roller, the top end of the milling cutter (5) protrudes from the second fixed depth wheel (4), the space between the two first fixed depth wheels (3) and the second fixed depth wheel (4) is a milling space, the workpiece (6) can extend into the milling space along its own axial direction under the drive of the transport roller, the outer peripheral wall of the workpiece (6) can abut against the first fixed depth wheel (3), the milling cutter assembly can approach the workpiece (6) under the drive of the follower mechanism, the milling cutter (5) can mill the outer peripheral wall of the workpiece (6), and the second fixed depth wheel (4) can abut against the outer peripheral wall of the workpiece (6).

2. The milling machine with milling depth positioning function according to claim 1, characterized in that: The limiting assembly further comprises two limiting seats (7) and a first wheel seat (8); the two limiting seats (7) are fixed to the main shaft (2) in opposite directions; the first wheel seat (8) is fixed to the two limiting seats (7); and the first fixed depth wheel (3) is rotatably connected to the first wheel seat (8).

3. The milling machine with milling depth positioning function according to claim 1, characterized in that: The milling cutter assembly also includes a second wheel seat (9) and a milling cutter seat. Connecting plates (10) are provided on both sides of the second wheel seat (9). An arc-shaped opening is provided on the connecting plate (10). The bottom end of the positioning member (11) can pass through the arc-shaped opening and then be connected to the main shaft (2). A positioning block is provided on the top end of the positioning member (11) to prevent the connecting plate (10) from being separated from the positioning member (11). The milling cutter seat and the second fixed depth wheel (4) are coaxially connected to the second wheel seat (9) in parallel. The second fixed depth wheel (4) and the second wheel seat (9) are rotatably connected. The milling cutter seat and the second wheel seat (9) are fixedly connected. The milling cutter (5) is detachably fixed to the milling cutter seat by bolts. The distance between the top end of the milling cutter (5) and the axis of the milling cutter seat is greater than the radius of the second fixed depth wheel (4). The follower mechanism includes a spring seat (12), a compression spring The spring seat (12) is hollow inside, the spring seat (12) is fixed to the main shaft (2), the follower rod (14) is slidably inserted into the spring seat (12), the compression spring (13) is arranged in the spring seat (12) and sleeved on the follower rod (14), a supporting plate (15) is fixed on the follower rod (14), two ends of the compression spring (13) respectively abut against the inner wall of the spring seat (12) and the supporting plate (15), a first end of the follower rod (14) is provided with an arc-shaped protrusion, a side wall of the second wheel seat (9) is provided with an abutment seat (16), a circular arc-shaped groove is provided on the abutment seat (16), the circular arc-shaped protrusion can extend into the circular arc-shaped groove, and a circle of limiting protrusions is provided on the second end of the follower rod (14) along the radial direction of the follower rod (14).

4. The milling machine with milling depth positioning function according to claim 3, characterized in that: The outer peripheral wall of the abutting plate (15) is provided with a circle of folded edge.

5. The milling machine with milling depth positioning function according to claim 3, characterized in that: The invention also comprises a positioning assembly, which is arranged on the side of the milling cutter assembly and is located opposite to the follower mechanism. The positioning assembly comprises a positioning seat (17) and a positioning rod (18). The positioning seat (17) is fixed to the main shaft (2), and the positioning rod (18) is fixed to the positioning seat (17). The end of the positioning rod (18) protrudes from the positioning seat (17), and the side wall of the second wheel seat (9) away from the abutting seat (16) can abut against the end of the positioning rod (18).

6. The milling machine with milling depth positioning function according to claim 1, characterized in that: The main shaft (2) is rotatably connected to the frame (1) via a bearing, the driving mechanism is a motor, the motor is fixed to the frame (1), the rotating shaft of the motor is connected to the main shaft (2) via a belt drive, a through hole for the workpiece (6) to pass through is provided at the axis of the main shaft (2), and the axis of the main shaft (2), the axis of the first fixed depth wheel (3) and the axis of the second fixed depth wheel (4) are parallel to each other.

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