Double-spindle milling head

Abstract

The utility model discloses a double-main-shaft milling head, and aims to provide a double-main-shaft milling head capable of improving the machining capacity through switching of double main shafts. The gearbox comprises a shell, a power assembly, a transmission assembly, a first main shaft assembly, a second main shaft assembly and a gear shifting assembly, the power assembly is installed on the shell and rotationally connected with the shell, the transmission assembly is installed in the shell and rotationally connected with the shell, and one end of the transmission assembly is connected with one end of the power assembly; the first main shaft assembly is installed in the shell and rotationally connected with the shell, one end of the first main shaft assembly is connected with the transmission assembly, a transverse moving assembly is installed on the second main shaft assembly, the second main shaft assembly is in sliding connection with the shell through the transverse moving assembly, the second main shaft assembly is rotationally connected with the transverse moving assembly, and the second main shaft assembly corresponds to the transmission assembly. The gear shifting assembly is installed in the shell and connected with the second main shaft assembly. The utility model has the beneficial effects that the machining capability is improved and the lubricating effect is improved through the switching of the double spindles.

Description

Technical Field

[0001] The utility model relates to the technical field of milling machining, in particular to a double-spindle milling head. Background Art

[0002] In the field of machining, milling is a common metal machining method. It cuts the workpiece through a high-speed rotating milling cutter to achieve the required shape and size. Traditional milling equipment usually adopts a single-spindle design, which can only machine one surface of the workpiece at a time, restricting the machining efficiency and the ability to machine complex parts. Summary of the Utility Model

[0003] The utility model aims to overcome the deficiency of the large machining limitation of the single spindle in the prior art, and provides a double-spindle milling head that can improve the machining ability through the switching of double spindles.

[0004] To achieve the above object, the utility model adopts the following technical solutions:

[0005] A double-spindle milling head includes a housing, a power assembly, a transmission assembly, a first spindle assembly, a second spindle assembly and a shifting assembly. The power assembly is installed on the housing and is rotationally connected to the housing. The transmission assembly is installed in the housing and is rotationally connected to the housing. One end of the transmission assembly is connected to one end of the power assembly. The first spindle assembly is installed in the housing and is rotationally connected to the housing. One end of the first spindle assembly is connected to the transmission assembly. A transverse movement assembly is installed on the second spindle assembly. The second spindle assembly is slidably connected to the housing through the transverse movement assembly. The second spindle assembly is rotationally connected to the transverse movement assembly. The second spindle assembly corresponds to the transmission assembly. The shifting assembly is installed in the housing and is connected to the second spindle assembly.

[0006] The housing is a protective device for installing the whole device. The power device on the housing drives the transmission assembly to rotate and output power. When outputting power, it drives the first spindle assembly to rotate. When the first spindle assembly rotates on the housing, it machines the workpiece. When double spindles are required to work, the shifting assembly drives the second spindle assembly to move in the transverse movement assembly. After the movement of the second spindle, it is connected to the transmission assembly, thereby driving the second spindle assembly to rotate and realizing the rotational machining of the second spindle, achieving the purpose of improving the machining ability through the switching of double spindles.

[0007] Preferably, the power assembly includes a motor. The motor is mounted on the housing and one end thereof penetrates through the housing and is located outside the housing. A shrink disc is mounted on the motor, and the motor is connected to the housing through the shrink disc. A motor adapter plate is mounted at the end of the motor that penetrates through the housing. A first gear is mounted at the other end of the motor. The transmission assembly includes a transmission shaft. The transmission shaft is mounted in the housing and is rotatably connected to the housing. A second gear is mounted on the transmission shaft, and the second gear meshes with the first gear. The motor of the power assembly is mounted on the housing, with one end inside the housing and the other end outside the housing. A motor adapter plate is mounted at the end of the motor outside the housing. The presence of the motor adapter plate can control the operation of the motor. A first gear is mounted at the end of the motor inside the housing. The first gear meshes with the second gear on the transmission shaft. The transmission shaft is mounted in the housing through a bearing and is rotatably connected to the housing. The motor can drive the transmission shaft to rotate through the meshing of the first gear and the second gear, thereby inputting power. Such a design can input power.

[0008] Preferably, the first spindle assembly includes a first spindle. The first spindle is mounted in the housing and is rotatably connected to the housing. A third gear is mounted at one end of the first spindle. A fourth gear is mounted on the transmission shaft, and the third gear meshes with the fourth gear. The other end of the first spindle penetrates through the housing and is located outside the housing. A first sealing assembly is mounted at the end of the first spindle that penetrates through the housing. The first spindle is hermetically connected to the housing through the first sealing assembly. The first spindle is inside the housing and is also connected to the housing through a bearing. The first spindle is mounted in the housing and one end is outside the housing for processing workpieces. The end of the first spindle that penetrates through the housing is sealed by a sealing assembly to ensure the sealing performance inside the housing and prevent internal lubricating oil from leaking. A third gear is mounted on the first spindle. The power shaft drives the first spindle to rotate through the meshing of the fourth gear mounted thereon and the third gear, thereby processing workpieces. Such a design can drive the first spindle to rotate.

[0009] Preferably, the second main shaft assembly includes a second main shaft. The transverse movement assembly includes an inner sleeve and an outer sleeve. The inner sleeve is sleeved on the second main shaft, and the outer sleeve is sleeved on the inner sleeve. The outer sleeve is slidably connected to the housing. The inner sleeve is rotatably connected to the second main shaft. One end of the second main shaft penetrates through the housing and is located outside the housing. A second sealing assembly is installed at the end of the second main shaft that penetrates through the housing. The second main shaft is hermetically connected to the inner sleeve through the second sealing assembly. A fifth gear is installed on the second main shaft, and a sixth gear is installed on the transmission shaft. The fifth gear matches the sixth gear. The second main shaft is installed in the transverse movement assembly. The second main shaft is connected to the housing through the transverse movement assembly. The second main shaft is connected to the inner sleeve through a bearing. The second main shaft can rotate within the inner sleeve. The outer sleeve is sleeved on the inner sleeve and is connected to the housing. The movement of the transverse movement assembly drives the second main shaft to move. The movement of the second main shaft can drive the fifth gear on the second main shaft to move together. When the fifth gear is laterally moved to mesh with the sixth gear on the transmission shaft, it can drive the second main shaft to rotate. The rotation of the second main shaft can process the workpiece. At the same time, the end of the second main shaft extending out of the housing is hermetically connected to the inner sleeve through the second sealing assembly to ensure the airtightness inside the housing. Such a design can achieve the switching of the second main shaft.

[0010] Preferably, the shifting assembly includes a hydraulic cylinder, a connecting rod, and a shifting block. The hydraulic cylinder is installed on the housing. The hydraulic end of the hydraulic cylinder penetrates through the housing and is located inside the housing. The hydraulic end of the hydraulic cylinder is connected to one end of the connecting rod. The other end of the connecting rod is connected to the shifting block. One end of the shifting block is connected to the connecting rod, and the other end of the shifting block penetrates through the outer sleeve and is connected to the inner sleeve. The hydraulic cylinder of the shifting assembly is installed on the housing. The telescoping of the connecting rod is driven by the hydraulic cylinder. The telescoping of the connecting rod can drive the shifting block at one end of the connecting rod to move together. The shifting block is connected to the inner sleeve. The movement of the shifting block drives the inner sleeve to move. The inner sleeve and the second main shaft inside it move together, thereby realizing the meshing of the fifth gear and the sixth gear. Such a design can achieve the lateral movement of the second main shaft.

[0011] Preferably, a first limiting ring is installed on the transmission shaft. The first limiting ring is rotatably connected to the transmission shaft. A second limiting ring is installed on the second main shaft. The second limiting ring is rotatably connected to the second main shaft. The first limiting ring is in contact with the second limiting ring. The first limiting ring is installed on the transmission shaft through a bearing, and the second limiting ring is also installed on the second main shaft through a bearing. When the second main shaft is separated from the transmission shaft, the first limiting ring is in contact with the second limiting ring to limit the position of the second main shaft and prevent the position of the second main shaft from deviating. Such a design can limit the position of the second main shaft.

[0012] Preferably, one end of the transmission shaft is provided with a gear pump, and the gear pump is installed on the housing and connected to one end of the transmission shaft. A gear pump is installed in the housing, and the driving shaft of the gear pump is connected to one end of the transmission shaft. When the transmission shaft rotates, it can drive the driving shaft of the gear pump to rotate, thereby realizing the movement of the gear pump. The movement of the gear pump can drive the lubricating oil in the housing to flow, ensuring the lubrication effect. Such a design can improve the lubrication effect.

[0013] The beneficial effects of the present utility model are as follows: By switching the double main shafts, the processing ability is improved. Power can be input, the first main shaft can be driven to rotate, the switching of the second main shaft can be realized, the lateral movement of the second main shaft can be achieved, the position of the second main shaft can be limited, and the lubrication effect can be improved. Description of the Drawings

[0014] Figure 1 is a schematic structural diagram of the present utility model.

[0015] In the figure: 1. Housing; 2. Power assembly; 21. Motor; 22. Expansion sleeve; 23. Motor adapter plate; 24. Gear one; 3. Transmission assembly; 31. Transmission shaft; 32. Gear two; 33. Gear four; 34. Gear six; 35. Limit ring one; 36. Gear pump; 4. First main shaft assembly; 41. First main shaft; 42. Gear three; 43. Sealing assembly one; 5. Second main shaft assembly; 51. Second main shaft; 52. Sealing assembly two; 53. Gear five; 54. Limit ring two; 6. Shifting assembly; 61. Hydraulic cylinder; 62. Connecting rod; 63. Shifting block; 7. Lateral movement assembly; 71. Inner sleeve; 72. Outer sleeve. Detailed Embodiments

[0016] The following further describes the present utility model in conjunction with the drawings and specific embodiments.

[0017] As Figure 1 shown in the embodiment, a double main shaft milling head includes a housing 1, a power assembly 2, a transmission assembly 3, a first main shaft 41 assembly 4, a second main shaft 51 assembly 5, and a shifting assembly 6. The power assembly 2 is installed on the housing 1 and is rotatably connected to the housing 1. The transmission assembly 3 is installed in the housing 1 and is rotatably connected to the housing 1. One end of the transmission assembly 3 is connected to one end of the power assembly 2. The first main shaft 41 assembly 4 is installed in the housing 1 and is rotatably connected to the housing 1. One end of the first main shaft 41 assembly 4 is connected to the transmission assembly 3. A lateral movement assembly 7 is installed on the second main shaft 51 assembly 5. The second main shaft 51 assembly 5 is slidably connected to the housing 1 through the lateral movement assembly 7. The second main shaft 51 assembly 5 is rotatably connected to the lateral movement assembly 7. The second main shaft 51 assembly 5 corresponds to the transmission assembly 3. The shifting assembly 6 is installed in the housing 1 and is connected to the second main shaft 51 assembly 5.

[0018] The power assembly 2 includes a motor 21. The motor 21 is installed on the housing 1 and one end thereof penetrates through the housing 1 and is placed outside the housing 1. A shrink disc 22 is installed on the motor 21. The motor 21 is connected to the housing 1 through the shrink disc 22. A motor adapter plate 23 is installed at the end of the motor 21 that penetrates through the housing 1. A first gear 24 is installed at the other end of the motor 21. The transmission assembly 3 includes a transmission shaft 31. The transmission shaft 31 is installed in the housing 1 and is rotatably connected to the housing 1. A second gear 32 is installed on the transmission shaft 31. The second gear 32 meshes with the first gear 24.

[0019] The first main shaft assembly 4 includes a first main shaft 41. The first main shaft 41 is installed in the housing 1 and is rotatably connected to the housing 1. A third gear 42 is installed at one end of the first main shaft 41. A fourth gear 33 is installed on the transmission shaft 31. The third gear 42 meshes with the fourth gear 33. The other end of the main shaft penetrates through the housing 1 and is placed outside the housing 1. A first sealing assembly 43 is installed at the end of the first main shaft 41 that penetrates through the housing 1. The first main shaft 41 is hermetically connected to the housing 1 through the first sealing assembly 43.

[0020] The second main shaft assembly 5 includes a second main shaft 51. The transverse movement assembly 7 includes an inner sleeve 71 and an outer sleeve 72. The inner sleeve 71 is sleeved on the second main shaft 51. The outer sleeve 72 is sleeved on the inner sleeve 71. The outer sleeve 72 is slidably connected to the housing 1. The inner sleeve 71 is rotatably connected to the second main shaft 51. One end of the second main shaft 51 penetrates through the housing 1 and is placed outside the housing 1. A second sealing assembly 52 is installed at the end of the second main shaft 51 that penetrates through the housing 1. The second main shaft 51 is hermetically connected to the inner sleeve 71 through the second sealing assembly 52. A fifth gear 53 is installed on the second main shaft 51. A sixth gear 34 is installed on the transmission shaft 31. The fifth gear 53 matches the sixth gear 34.

[0021] The shifting assembly 6 includes a hydraulic cylinder 61, a connecting rod 62 and a shifting block 63. The hydraulic cylinder 61 is installed on the housing 1. The hydraulic end of the hydraulic cylinder 61 penetrates through the housing 1 and is placed inside the housing 1. The hydraulic end of the hydraulic cylinder 61 is connected to one end of the connecting rod 62. The other end of the connecting rod 62 is connected to the shifting block 63. One end of the shifting block 63 is connected to the connecting rod 62. The other end of the shifting block 63 penetrates through the outer sleeve 72 and is connected to the inner sleeve 71.

[0022] A first limiting ring 35 is installed on the transmission shaft 31. The first limiting ring 35 is rotatably connected to the transmission shaft 31. A second limiting ring 54 is installed on the second main shaft 51. The second limiting ring 54 is rotatably connected to the second main shaft 51. The first limiting ring 35 abuts against the second limiting ring 54.

[0023] A gear pump 36 is provided at one end of the transmission shaft 31. The gear pump 36 is installed on the housing 1. The gear pump 36 is connected to one end of the transmission shaft 31.

[0024] When in use, when the first main shaft 41 needs to work, the motor 21 operates to drive the first gear 24 to rotate. Through the meshing of the first gear 24 and the second gear 32, the transmission shaft 31 is driven to rotate within the housing 1. As the transmission shaft 31 rotates, through the meshing of the third gear 42 and the fourth gear 33, the first main shaft 41 is driven to rotate within the housing 1. One end of the first main shaft 41 located outside the housing 1 performs work. At the same time, when the transmission shaft 31 rotates, it can drive the driving wheel of the gear pump 36 to rotate, thereby driving the gear pump 36 to work and realizing the flow of lubricating oil within the housing 1.

[0025] When the second main shaft 51 needs to work, the hydraulic cylinder 61 operates to drive the connecting rod 62 to move. The connecting rod 62 drives the inner sleeve 71 and the outer sleeve 72 to move on the housing 1 through the connection of the shifting block 63 and the transverse movement assembly 7. When the inner sleeve 71 moves, it drives the second main shaft 51 inside to move together. After moving to the point where the fifth gear 53 meshes with the sixth gear 34, the transmission shaft 31 can drive the second main shaft 51 to rotate within the inner sleeve 71, realizing the operation of the double main shafts.

Claims

1. A dual-spindle milling head, characterized in that: The invention comprises a housing (1), a power assembly (2), a transmission assembly (3), a main shaft assembly (4), a main shaft assembly (5) and a shift assembly (6), wherein the power assembly (2) is mounted on the housing (1) and is rotatably connected to the housing (1), the transmission assembly (3) is mounted in the housing (1) and is rotatably connected to the housing (1), one end of the transmission assembly (3) is connected to one end of the power assembly (2), the main shaft assembly (4) is mounted in the housing (1) and is rotatably connected to the housing (1), one end of the main shaft assembly (4) is connected to the transmission assembly (3), a transverse movement assembly (7) is mounted on the main shaft assembly (5), the main shaft assembly (5) is slidably connected to the housing (1) via the transverse movement assembly (7), the main shaft assembly (5) is rotatably connected to the transverse movement assembly (7), the main shaft assembly (5) corresponds to the transmission assembly (3), and the shift assembly (6) is mounted in the housing (1) and is connected to the main shaft assembly (5).

2. A dual-spindle milling head according to claim 1, characterized in that: The power assembly (2) comprises a motor (21), wherein the motor (21) is mounted on the housing (1) and one end of the motor (21) passes through the housing (1) and is disposed outside the housing (1); a clamping sleeve (22) is mounted on the motor (21), and the motor (21) is connected to the housing (1) via the clamping sleeve (22); a motor adapter plate (23) is mounted on one end of the motor (21) passing through the housing (1); a gear one (24) is mounted on the other end of the motor (21); and the transmission assembly (3) comprises a transmission shaft (31), wherein the transmission shaft (31) is mounted in the housing (1) and is rotationally connected to the housing (1); a gear two (32) is mounted on the transmission shaft (31), and the gear two (32) is meshed with the gear one (24).

3. A dual-spindle milling head according to claim 2, characterized in that: The main shaft assembly (4) comprises a main shaft (41), the main shaft (41) being mounted in the housing (1) and being rotatably connected to the housing (1), a gear (42) being mounted on one end of the main shaft (41), a gear (43) being mounted on the transmission shaft (31), the gear (42) being meshed with the gear (33), the other end of the main shaft passing through the housing (1) and being arranged outside the housing (1), a sealing assembly (43) being mounted on one end of the main shaft (41) passing through the housing (1), and the main shaft (41) being sealingly connected to the housing (1) via the sealing assembly (43).

4. A dual-spindle milling head according to claim 2, characterized in that: The main shaft assembly (5) includes a main shaft (51), and the transverse movement assembly (7) includes an inner sleeve (71) and an outer sleeve (72). The inner sleeve (71) is sleeved on the main shaft (51), and the outer sleeve (72) is sleeved on the inner sleeve (71). The outer sleeve (72) is slidably connected to the housing (1), and the inner sleeve (71) is rotatably connected to the main shaft (51). One end of the main shaft (51) passes through the housing (1) and is placed outside the housing (1). A sealing assembly (52) is installed at one end of the main shaft (51) that passes through the housing (1). The main shaft (51) is sealedly connected to the inner sleeve (71) through the sealing assembly (52). A gear (53) is installed on the main shaft (51), and a gear (6) (34) is installed on the transmission shaft (31). The gear (53) matches the gear (6) (34).

5. A dual-spindle milling head according to claim 4, characterized in that: The shift assembly (6) comprises a hydraulic cylinder (61), a connecting rod (62) and a shift block (63); the hydraulic cylinder (61) is mounted on a housing (1); a hydraulic end of the hydraulic cylinder (61) passes through the housing (1) and is disposed inside the housing (1); the hydraulic end of the hydraulic cylinder (61) is connected to one end of a connecting rod (62); the other end of the connecting rod (62) is connected to the shift block (63); one end of the shift block (63) is connected to the connecting rod (62); the other end of the shift block (63) passes through an outer sleeve (72) and is connected to an inner sleeve (71).

6. A dual-spindle milling head according to claim 4, characterized in that: A limit ring 1 (35) is installed on the transmission shaft (31), and the limit ring 1 (35) is rotatably connected to the transmission shaft (31). A limit ring 2 (54) is installed on the second main shaft (51), and the limit ring 2 (54) is rotatably connected to the second main shaft (51). The limit ring 1 (35) is in close contact with the limit ring 2 (54).

7. A dual-spindle milling head according to claim 2, characterized in that: A gear pump (36) is provided at one end of the transmission shaft (31); the gear pump (36) is mounted on the housing (1); and the gear pump (36) is connected to one end of the transmission shaft (31).

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