Arc plate end face milling device

Abstract

The utility model discloses an arc plate end face milling device which comprises a guide rail assembly and a milling main body in transmission connection with the guide rail assembly, the milling main body comprises a rack and a milling cutter assembly, an axial feeding assembly is arranged on the inner side of the rack, an angle adjusting assembly is arranged on the outer side of the rack, and the milling cutter assembly is arranged on the rack. The milling cutter assembly is arranged in the center of the axial feeding assembly, and the angle adjusting assembly is connected with the outer side of the axial feeding assembly. According to the arc plate end face milling device, operation is stable and reliable, automatic milling and walking are achieved, a milled face is smooth and clean, it is ensured that a welding groove meets the quality standard requirement, the milling cutter disc can be manually fed in the axial direction and in the vertical direction, the angle of the groove is adjustable, and milling machining of grooves in various shapes such as a V shape, a J shape, a double-V shape and a double-J shape is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of plate processing, in particular to an arc plate end face milling device. Background Art

[0002] When the plate is rolled into a pipe, the rolled arc plate is welded to form the pipe. Before welding, the arc plate needs to be cut to produce a groove of a specific shape. Milling is a high-precision processing method. The workpiece is fixed during operation, and a high-speed rotating multi-edge tool is used to move the workpiece to cut out the required shape and features.

[0003] In the prior art, the conventional groove processing is flame cutting, which results in a rough cutting surface and requires grinding and slag removal before welding. Moreover, the flame cutting groove processing method can only produce a V-shaped groove, which does not meet the standard requirements for welding grooves for thick plates. Utility Model Content

[0004] The utility model aims to provide an arc plate end face milling device, which runs smoothly and reliably, realizes automatic milling and walking, and the milling surface is smooth and clean, ensuring that the welding groove meets the quality standard requirements, and the milling cutter disc can be manually axially fed and fed up and down, and the groove angle is adjustable, realizing the milling processing of various shapes of grooves such as V-type, J-type, double V-type, double J-type, etc.

[0005] To achieve the above-mentioned purpose, the utility model provides an arc plate end face milling device, including a guide rail assembly and a milling body transmission connected to the guide rail assembly, the milling body including a frame and a milling cutter assembly, an axial feed assembly is arranged on the inner side of the frame, an angle adjustment assembly is arranged on the outer side of the frame, the milling cutter assembly is arranged at the center position of the axial feed assembly, and the angle adjustment assembly is connected to the outer side of the axial feed assembly.

[0006] Preferably, the guide rail assembly includes a frame and an end fixing mechanism arranged on the end surface of the arc plate, a linear guide rail is arranged on the upper surface of the frame, a rack is arranged on the inner wall of the linear guide rail, and the end fixing mechanism includes a fixing block and a positioning plate, the frame is movably connected to the positioning plate, and the positioning plate is fixedly connected to both ends of the arc plate through the fixing block.

[0007] Preferably, a base plate is provided at the bottom of the frame, a slider corresponding to the linear guide rail is provided on the circumferential side of the lower surface of the base plate, a first gear corresponding to the rack is provided on the side wall of the base plate, and the first gear is fixedly connected to a first driving device.

[0008] Preferably, the angle adjustment assembly includes two side plates symmetrically arranged along the center position of the frame, a fixed arc gear is fixedly arranged on the surface of the side plate, a second gear meshing with the fixed arc gear is arranged above the fixed arc gear, a rotating rod is arranged at the center position of the second gear, one end of the rotating rod passes through the side plate and is connected to the axial feed assembly, and a manual grip is arranged at the other end of the rotating rod.

[0009] Preferably, the axial feed assembly includes two first guide rail blocks and a second guide rail block arranged between the first guide rail blocks, one side of the first guide rail block is fixedly connected to the rotating rod, a dovetail groove structure connected by mortise and tenon is formed between the first guide rail block and the second guide rail block, and the other side of the first guide rail block is slidably connected to the second guide rail block through an adjustment member.

[0010] Preferably, the adjusting member includes a U-shaped block and a screw rod passing through the U-shaped block, the open end of the U-shaped block is fixedly connected to the first guide rail block, one end of the screw rod is fixedly connected to the second guide rail block, the through section of the screw rod is threadedly connected to the U-shaped block, and the other end of the screw rod is provided with a first manual adjustment handle.

[0011] Preferably, the milling cutter assembly includes a mounting seat, a milling cutter spindle body is fixedly arranged at the bottom of the mounting seat, a milling cutter middle body and a milling cutter inner shaft are sequentially sleeved inside the milling cutter spindle body, the top end of the milling cutter inner shaft is rotatably connected to the milling cutter spindle body via a first bearing, the inner sides of both ends of the milling cutter middle body are rotatably connected to the milling cutter inner shaft via a second bearing, and the bottom end of the milling cutter inner shaft passes through the milling cutter spindle body and is connected to a milling cutter disc.

[0012] Preferably, an adjustment screw is fixedly provided on the outer side wall of the milling cutter spindle body, the top end of the adjustment screw passes through the mounting seat and is connected to a second manual adjustment handle, and the side wall of the adjustment screw passes through the milling cutter spindle body through an adjustment shaft and is connected to the milling cutter middle body.

[0013] Preferably, a first pulley and a second pulley are provided in the mounting seat, the first pulley is fixedly connected to the center position of the upper surface of the first bearing, the first pulley is transmission-connected to the second pulley via a poly-V belt, and a second driving device is provided at the bottom of the second pulley.

[0014] Preferably, it further comprises a controller, and the controller is electrically connected to the first driving device and the second driving device.

[0015] Therefore, the utility model adopts the above-mentioned arc plate end face milling device, which has the following beneficial effects:

[0016] (1) The utility model is provided with a driving device and a guide rail assembly, which cooperates with a controller to run smoothly and reliably, realize automatic milling and walking, and the milling surface is smooth and clean, ensuring that the welding groove meets the quality standard requirements.

[0017] (2) The utility model is provided with a milling cutter assembly, an axial feed assembly and an angle adjustment assembly. The milling cutter assembly can manually adjust the up and down feed, the axial feed assembly can manually adjust the groove width feed, and the angle adjustment assembly can manually adjust the groove angle. By cooperating with milling cutter disc models of different specifications, milling processing of grooves of various shapes such as V-type, J-type, double V-type, double J-type, etc. can be realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of an embodiment of an arc plate end face milling device of the utility model;

[0019] Figure 2 This is a partial enlarged view of point A of an embodiment of an arc plate end face milling device of the utility model;

[0020] Figure 3 It is a structural schematic diagram of a milling body of an embodiment of an arc plate end face milling device of the utility model;

[0021] Figure 4 It is a cross-sectional view of a milling body of an embodiment of an arc plate end face milling device of the utility model;

[0022] Figure 5 It is a structural schematic diagram of a milling cutter assembly of an embodiment of an arc plate end face milling device of the utility model;

[0023] Figure 6 It is an exploded view of a milling cutter assembly of an embodiment of an arc plate end face milling device of the utility model;

[0024] Figure 7 It is an exploded view of an axial feed assembly and an angle adjustment assembly of an embodiment of an arc plate end face milling device of the utility model;

[0025] Figure 8 It is a structural schematic diagram of the second gear of an embodiment of an arc plate end face milling device of the utility model;

[0026] Fig. 9 It is an internal schematic diagram of the second gear of an arc plate end face milling device embodiment of the utility model.

[0027] Reference numerals

[0028] 1. Frame; 2. Guide rail assembly; 3. Milling cutter assembly; 4. Axial feed assembly; 5. Angle adjustment assembly; 6. Arc plate; 7. Frame; 8. Linear guide rail; 9. Rack; 10. Positioning plate; 11. Fixed block; 12. Bottom plate; 13. Slider; 14. First gear; 15. First drive device; 16. Side plate; 17. Fixed arc gear; 18. Second gear; 19. Rotating rod; 20. Manual grip; 21. First guide rail block; 22. Second guide rail block; 23. U-shaped block; 24. Screw rod; 25, first manual adjustment handle; 26, mounting seat; 27, milling cutter spindle body; 28, milling cutter middle body; 29, milling cutter inner shaft; 30, first bearing; 31, second bearing; 32, milling cutter disc; 33, adjustment screw rod; 34, second manual adjustment handle; 35, adjustment shaft; 36, first pulley; 37, second pulley; 38, multi-V belt; 39, second driving device; 40, angle gear seat; 41, rolling bearing; 42, locking bolt; 43, positioning copper block; 44, locking block. DETAILED DESCRIPTION

[0029] The technical solution of the utility model is further described below through the accompanying drawings and embodiments.

[0030] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprise" and the like mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0031] As shown in the figure, an arc plate end face milling device includes a guide rail assembly 2 and a milling body drivingly connected to the guide rail assembly 2. The milling body includes a frame 1 and a milling cutter assembly 3, an axial feed assembly 4 is arranged inside the frame 1, an angle adjustment assembly 5 is arranged outside the frame 1, the milling cutter assembly 3 is arranged at the center of the axial feed assembly 4, and the angle adjustment assembly 5 is connected to the outside of the axial feed assembly 4. The overall structural design is reasonable, which is convenient for manual adjustment and automatic milling.

[0032] Specifically, the guide rail assembly 2 includes a frame 7 and an end fixing mechanism arranged on the end face of the arc plate 6, the upper surface of the frame 7 is arranged on the linear guide 8, the inner wall of the linear guide 8 is provided with a rack 9, and the end fixing mechanism includes a fixing block 11 and a positioning plate 10, the frame 7 is movably connected with the positioning plate 10, and the positioning plate 10 is fixedly connected with both ends of the arc plate 6 through the fixing block 11. The fixing block 11 and the positioning plate 10 are placed according to the width of the arc plate 6. In this embodiment, one positioning plate 10 is arranged at the front and back of the end face of the arc plate 6, and a locking block 44 is also provided to connect the linear guide 8 and the arc plate 6 to ensure the smooth operation of the milling cutter body. The positioning plate 10 is adjusted horizontally and symmetrically by bolts. A bottom plate 12 is arranged at the bottom of the frame 1, and a plurality of sliders 13 corresponding to the linear guide 8 are arranged on the circumference of the lower surface of the bottom plate 12, and a first gear 14 corresponding to the rack 9 is arranged on the side wall of the bottom plate 12, and the first gear 14 is fixedly connected with a first driving device 15. In this embodiment, the first driving device 15 adopts a servo motor reducer, the first gear 14 and the rack 9 are driven to move, and the linear guide 8 is matched, so the installation is stable and the operation is stable and reliable.

[0033] Specifically, the angle adjustment assembly 5 includes two side plates 16 symmetrically arranged along the center position of the frame 1, a fixed arc gear 17 is fixedly arranged on the surface of the side plate 16, a second gear 18 meshing with the fixed arc gear 17 is arranged above the fixed arc gear 17, a rotating rod 19 is arranged at the center position of the second gear 18, one end of the rotating rod 19 passes through the side plate 16 and is connected to the axial feed assembly 4, and the other end of the rotating rod 19 is provided with a manual grip 20. By pushing the manual grip 20 forward or reversely, that is, adjusting the second gear 18 to rotate and move forward or backward along the tooth surface of the fixed arc gear 17, that is, the second gear 18 drives the axial feed assembly 4 to adjust the angle with the center of the fixed arc gear 17 as the center, selecting the fixed arc gear 17 model of suitable specifications, determining the groove angle adjustment range, and realizing the groove angle adjustment function.

[0034] In this embodiment, the upper and lower surfaces of the second gear 18 form a detachable structure with the rotating rod 19 through the angle gear seat 40, and the second gear 18 is rotatably connected to the angle gear seat 40 through the rolling bearing 41. The rotating rod 19 is a hexagonal head structure, one end of the rotating rod 19 is screwed on the angle gear seat 40 on the lower surface of the second gear 18, and is used to be connected to the first guide block 21 of the axial feed assembly 4; the other end of the rotating rod 19 is screwed on the angle gear seat 40 on the upper surface of the second gear 18, and a ratchet wrench can be used to adjust the angle, or the manual grip 20 can be connected to push the manual grip 20, and the rotating rod 19 is rotated by using the lever principle, so as to drive the second gear 18 to rotate along the fixed arc gear 17, so as to achieve the angle adjustment of the milling cutter disc 32.

[0035] Specifically, the axial feed assembly 4 includes two first guide rail blocks 21 and a second guide rail block 22 disposed between the first guide rail blocks 21, one side of the first guide rail block 21 is fixedly connected to the rotating rod 19, the first guide rail block 21 and the second guide rail block 22 are connected by a dovetail groove structure with a mortise and tenon joint, and the other side of the first guide rail block 21 is slidably connected to the second guide rail block 22 through an adjustment member. The adjustment member includes a U-shaped block 23 and a screw rod 24 penetrating the U-shaped block 23, the open end of the U-shaped block 23 is fixedly connected to the first guide rail block 21, one end of the screw rod 24 is fixedly connected to the second guide rail block 22, the penetrating section of the screw rod 24 is threadedly connected to the U-shaped block 23, and the other end of the screw rod 24 is provided with a first manual adjustment handle 25.

[0036] Specifically, the milling cutter assembly 3 includes a mounting seat 26, a milling cutter spindle body 27 is fixedly arranged at the bottom of the mounting seat 26, a milling cutter middle body 28 and a milling cutter inner shaft 29 are sequentially sleeved inside the milling cutter spindle body 27, the top end of the milling cutter inner shaft 29 is rotatably connected to the milling cutter spindle body 27 through a first bearing 30, and the inner sides of both ends of the milling cutter middle body 28 are rotatably connected to the milling cutter inner shaft 29 through a second bearing 31, and the bottom end of the milling cutter inner shaft 29 passes through the milling cutter spindle body 27 and is connected to a milling cutter disc 32, which is used for milling the end face of the arc plate 6. The milling cutter disc 32 selects a blade model with suitable specifications according to the groove form, and can realize various forms of groove processing such as V-type, J-type, double V-type, double J-type, etc.

[0037] An adjustment screw 33 is fixedly provided on the outer wall of the milling cutter main shaft body 27. The top end of the adjustment screw 33 passes through the mounting seat 26 and is connected to a second manual adjustment handle 34. The side wall of the adjustment screw 33 passes through the milling cutter main shaft body 27 through the adjustment shaft 35 and is connected to the milling cutter middle body 28. By rotating the second manual adjustment handle 34 forward or reverse, that is, the adjustment screw 33 rotates and drives the adjustment shaft 35 to move up and down, that is, the milling cutter middle body 28 drives the milling cutter disc 32 to move up and down, the groove depth feeding function is realized. In this embodiment, a locking bolt 42 and a positioning copper block 43 are also provided on the first guide rail block 21. When all parameters are adjusted and before milling begins, the locking bolt 42 locks the positioning copper block 43, and then the milling process begins to ensure the overall stability of the device.

[0038] The mounting seat 26 is provided with a first pulley 36 and a second pulley 37, the first pulley 36 is fixedly connected to the center of the upper surface of the first bearing 30, the first pulley 36 is connected to the second pulley 37 through a multi-V belt 38, and a second driving device 39 is provided at the bottom of the second pulley 37. In this embodiment, the second driving device 39 uses a transmission motor to drive the second pulley 37 to rotate, and cooperates with the multi-V belt 38 to drive the first pulley to rotate synchronously, driving the milling cutter inner shaft 29 and the milling cutter disc 32 to rotate at high speed, thereby realizing the groove milling function.

[0039] Specifically, an arc plate end face milling device also includes a controller (not marked in the figure), which is electrically connected to the first drive device 15 and the second drive device 39, and can realize the start, stop, fast, slow and other control operations of the first gear 14 and the second pulley 37, with a high degree of automation.

[0040] Therefore, the utility model adopts the above-mentioned arc plate end face milling device, which runs smoothly and reliably, realizes automatic milling and walking, and the milling surface is smooth and clean, ensuring that the welding groove meets the quality standard requirements, and the milling cutter disc 32 can be manually axially fed and fed up and down, and the groove angle is adjustable, realizing the milling processing of various shapes of grooves such as V-type, J-type, double V-type, double J-type, etc.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that they can still modify or replace the technical solution of the utility model with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the utility model.

Claims

1. An arc plate end face milling device, characterized in that: It includes a guide rail assembly and a milling body transmission-connected to the guide rail assembly, the milling body includes a frame and a milling cutter assembly, an axial feed assembly is arranged on the inner side of the frame, an angle adjustment assembly is arranged on the outer side of the frame, the milling cutter assembly is arranged at the center position of the axial feed assembly, and the angle adjustment assembly is connected to the outer side of the axial feed assembly.

2. The arc plate end face milling device according to claim 1, characterized in that: The guide rail assembly includes a frame and an end fixing mechanism arranged on the end surface of the arc plate, a linear guide rail is arranged on the upper surface of the frame, a rack is arranged on the inner wall of the linear guide rail, and the end fixing mechanism includes a fixing block and a positioning plate, the frame is movably connected to the positioning plate, and the positioning plate is fixedly connected to the two ends of the arc plate through the fixing block.

3. The arc plate end face milling device according to claim 2, characterized in that: A bottom plate is provided at the bottom of the frame, a plurality of sliders corresponding to the linear guide rails are provided on the circumference of the lower surface of the bottom plate, a first gear corresponding to the rack is provided on the side wall of the bottom plate, and the first gear is fixedly connected to a first driving device.

4. The arc plate end face milling device according to claim 3, characterized in that: The angle adjustment assembly includes two side plates symmetrically arranged along the center position of the frame, a fixed arc gear is fixedly arranged on the surface of the side plate, a second gear meshing with the fixed arc gear is arranged above the fixed arc gear, a rotating rod is arranged at the center position of the second gear, one end of the rotating rod passes through the side plate and is connected to the axial feed assembly, and the other end of the rotating rod is provided with a manual grip rod.

5. The arc plate end face milling device according to claim 4, characterized in that: The axial feed assembly includes two first guide rail blocks and a second guide rail block arranged between the first guide rail blocks, one side of the first guide rail block is fixedly connected to the rotating rod, a dovetail groove structure connected by mortise and tenon is formed between the first guide rail block and the second guide rail block, and the other side of the first guide rail block is slidably connected to the second guide rail block through an adjustment member.

6. The arc plate end face milling device according to claim 5, characterized in that: The adjusting member includes a U-shaped block and a screw rod passing through the U-shaped block, the open end of the U-shaped block is fixedly connected to the first guide rail block, one end of the screw rod is fixedly connected to the second guide rail block, the through section of the screw rod is threadedly connected to the U-shaped block, and the other end of the screw rod is provided with a first manual adjustment handle.

7. The arc plate end face milling device according to claim 6, characterized in that: The milling cutter assembly includes a mounting seat, a milling cutter spindle body is fixedly arranged at the bottom of the mounting seat, a milling cutter middle body and a milling cutter inner shaft are sequentially sleeved inside the milling cutter spindle body, the top end of the milling cutter inner shaft is rotatably connected to the milling cutter spindle body via a first bearing, the inner sides of both ends of the milling cutter middle body are rotatably connected to the milling cutter inner shaft via a second bearing, and the bottom end of the milling cutter inner shaft passes through the milling cutter spindle body and is connected to a milling cutter disc.

8. The arc plate end face milling device according to claim 7, characterized in that: An adjusting screw is fixedly provided on the outer side wall of the milling cutter main shaft body, the top end of the adjusting screw passes through the mounting seat and is connected to a second manual adjustment handle, and the side wall of the adjusting screw passes through the milling cutter main shaft body through an adjusting shaft and is connected to the milling cutter middle body.

9. The arc plate end face milling device according to claim 8, characterized in that: A first pulley and a second pulley are arranged in the mounting seat. The first pulley is fixedly connected to the center position of the upper surface of the first bearing. The first pulley is transmission-connected to the second pulley via a poly-V belt. A second driving device is arranged at the bottom of the second pulley.

10. The arc plate end face milling device according to claim 9, characterized in that: It also includes a controller, which is electrically connected to the first driving device and the second driving device.

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