Cutter switching mechanism of turning and milling composite deep hole processing machine tool

Abstract

The utility model relates to the technical field of deep hole processing, and discloses a cutter switching mechanism of a turning and milling composite deep hole processing machine tool, which comprises a machine tool plate, a box body is arranged at the rear end of the top of the machine tool plate, a rotating motor is arranged at the left side end of the box body, and the right output end of the rotating motor is connected with a hollow spline shaft. A transmission assembly is movably connected to the side wall of the right end of the hollow spline shaft, a clutch is arranged at the right end of the transmission assembly, and a spiral bevel gear set is fixedly connected to the right end of the clutch. The miniature rotating motor is directly connected with the cutter fixing sleeve, intermediate links of power transmission are reduced, the power transmission efficiency is improved, the cutter can respond quickly and reach the required rotating speed, the machining efficiency is improved, meanwhile, the rotating speed and the rotating direction of the cutter can be accurately controlled through the direct connection mode, and the machining efficiency is improved. The requirements of different machining technologies for the cutter are met, the machining precision is improved, and high-precision machining of complex parts can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to deep hole machining technical field, concretely is the tool switching mechanism of turning and milling combined deep hole machining machine tool. BACKGROUND

[0002] In the field of traditional turning and milling combined deep hole machining machine tool, there is a lack of effective coordination mechanism between the tool switching assembly and the workpiece holding and conveying assembly.

[0003] Publication No. CN118080918A discloses a deep hole machining mechanism of a high-precision machine tool, which is driven to rotate by a machine tool vice main shaft through a belt drive, has stable transmission and low noise, and directly machines a deep hole on a workpiece by the machine tool, so that the machine tool completes the machining of the whole workpiece in one clamping, reduces the labor input, and improves the machining efficiency and precision of the workpiece. However, it only focuses on the transmission mode of the support sleeve rotation and the effect of one-time clamping during deep hole machining, and only surrounds the single link of deep hole machining. After replacing the tool, manual adjustment of the workpiece position is required to ensure that the new tool can accurately machine different parts of the workpiece.

[0004] This process not only consumes time and effort, but also introduces errors during manual operation, reducing the machining efficiency and automation level. At the same time, frequent manual intervention increases the labor intensity of workers and is not conducive to large-scale and efficient production operations. UTILITY MODEL CONTENT

[0005] The utility model aims to solve the problem of manual adjustment of the workpiece position after replacing the tool in traditional deep hole machining, which is time-consuming and labor-intensive and prone to errors. The utility model provides a tool switching mechanism of a turning and milling combined deep hole machining machine tool.

[0006] The utility model adopts the following technical solutions to achieve the above-mentioned purpose:

[0007] The tool switching mechanism of the turning and milling combined deep hole machining machine tool comprises a machine tool plate, a box body is arranged at the top rear end of the machine tool plate, a rotary motor is arranged at the left side end of the box body, a hollow spline shaft is connected to the right output end of the rotary motor, a transmission assembly is movably connected to the right end side wall of the hollow spline shaft, a clutch is arranged at the right end of the transmission assembly, a spiral bevel gear set is fixedly connected to the right end of the clutch, a tool switching assembly is drivingly connected to the spiral bevel gear set, a holding and conveying assembly is arranged at the top side front right side of the machine tool plate, the tool switching assembly comprises a shell micro rotary motor and a tool fixing sleeve, the micro rotary motor and the tool fixing sleeve penetrate the inside of the shell, and the output end of the micro rotary motor and the rear end of the tool fixing sleeve are fixedly connected.

[0008] Further, the hollow spline shaft comprises a movable shaft and a butt joint key, the rear end of the butt joint key is movably connected with the output end of the movable shaft, and power output by the movable shaft is transmitted to subsequent transmission components through the butt joint key.

[0009] Further, the transmission assembly comprises a butt joint spline shaft and a butt joint shaft, the output end of the butt joint spline shaft is rotatably connected with the rear end of the hollow spline shaft, the right end of the butt joint spline shaft is fixedly connected with the shaft center of the butt joint shaft, and the end, away from the butt joint spline shaft, of the butt joint shaft is connected with the shaft center of the clutch, so that power is transmitted to the clutch.

[0010] Further, the spiral bevel gear set comprises a transmission shaft, a first spiral bevel gear and a second spiral bevel gear, the left end of the transmission shaft is fixedly connected with the shaft center of the clutch, the right end of the transmission shaft is meshed with the top side tooth key of the first spiral bevel gear, the rear end tooth position of the second spiral bevel gear is meshed with the first spiral bevel gear, and the front end of the second spiral bevel gear is connected with the rear end of the tool switching assembly, so that, along with rotation of the clutch, the transmission shaft rotates, the right end of the transmission shaft is meshed with the top side tooth key of the first spiral bevel gear, power is transmitted to the first spiral bevel gear, and the first spiral bevel gear starts to rotate.

[0011] Further, the clamping and conveying assembly comprises a linear motor, a telescopic rod and a clamping frame, the front end of the telescopic rod is fixedly connected with the rear end shaft center of the linear motor, and the outer end of the clamping frame is fixedly connected with the rear end side wall of the telescopic rod.

[0012] Further, the clamping and conveying assembly further comprises a micro electric cylinder, the micro electric cylinder is arranged between gaps of the clamping frame, the clamping force of the clamping frame on the workpiece is adjusted through telescopic action, and it is ensured that the workpiece is firmly clamped during machining.

[0013] Further, the bottom of the machine tool plate is provided with a base, and the outer right side of the box body is provided with a control panel.

[0014] Compared with the prior art, the tool switching mechanism of the turning and milling combined deep hole machining machine tool has the following beneficial effects:

[0015] The tool switching mechanism of the turning-milling combined deep hole machining machine tool is directly connected with the tool fixing sleeve through a micro rotating motor, so that the intermediate link of power transmission is reduced, the power transmission efficiency is improved, the tool can quickly respond and reach the required rotating speed, the machining efficiency is improved, meanwhile, the direct connection mode is convenient for accurately controlling the rotating speed and rotating direction of the tool, meets the requirements of different machining processes on the tool, helps to improve the machining precision, can realize high-precision machining of complex parts, and the cooperative work of the holding and conveying assembly and the tool switching assembly enables the tool to be quickly and stably replaced and the workpieces of different parts to be machined in the machining process, the machining efficiency and the automation degree of the whole turning-milling combined deep hole machining machine tool are improved, manual intervention is reduced, and the labor intensity is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional right side view of the whole outer side structure of the utility model;

[0017] Figure 2 It is a left side view of the whole outer side structure of the utility model;

[0018] Figure 3 It is a top view of the whole outer side structure of the utility model;

[0019] Figure 4 It is a rear top end view of the related structure connection between the hollow spline shaft and the transmission assembly and the spiral bevel gear set in the utility model;

[0020] Figure 5 It is a right side three-dimensional cross-sectional view of the tool switching assembly of the utility model;

[0021] Figure 6 It is a three-dimensional view of the rear side of the holding and conveying assembly of the utility model.

[0022] In the figure: 1, machine tool plate; 2, box; 3, rotating motor; 4, hollow spline shaft; 401, movable shaft; 402, butt joint key; 5, transmission assembly; 501, butt joint spline shaft; 502, butt joint shaft; 6, clutch; 7, spiral bevel gear set; 701, transmission shaft; 702, first spiral bevel gear; 703, second spiral bevel gear; 8, tool switching assembly; 801, shell; 802, micro rotating motor; 803, tool fixing sleeve; 9, holding and conveying assembly; 901, linear motor; 902, telescopic rod; 903, holding frame; 904, micro electric cylinder; 10, base; 11, control panel. DETAILED DESCRIPTION

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example:

[0025] like Figures 1-6 As shown, the tool switching mechanism of the milling and turning composite deep hole machining machine includes a machine plate 1, a housing 2 at the top rear end of the machine plate 1, a rotary motor 3 at the left end of the housing 2, a hollow spline shaft 4 connected to the right output end of the rotary motor 3, a transmission assembly 5 movably connected to the right side wall of the hollow spline shaft 4, a clutch 6 at the right end of the transmission assembly 5, a spiral bevel gear set 7 fixedly connected to the right end of the clutch 6, a tool switching assembly 8 being connected to the transmission of the spiral bevel gear set 7, a feeding and conveying assembly 9 at the top front right side of the machine plate 1, a base 10 at the bottom of the machine plate 1, and a control panel 11 on the outer right side of the housing 2.

[0026] like Figure 4 As shown, the hollow spline shaft 4 includes a movable shaft 401 and a mating key 402. The rear end of the mating key 402 is movably connected to the output end of the movable shaft 401. After receiving the command, the rotary motor 3 starts and its right output end begins to rotate, driving the hollow spline shaft 4 connected to it to rotate synchronously. The power output by the movable shaft 401 is transmitted to the subsequent transmission components through the mating key 402.

[0027] The transmission assembly 5 includes a docking spline shaft 501 and a docking shaft 502. The output end of the docking spline shaft 501 is rotatably connected to the rear end of the hollow spline shaft 4. The right end of the docking spline shaft 501 is fixedly connected to the shaft center of the docking shaft 502. The end of the docking shaft 502 away from the docking spline shaft 501 is connected to the shaft center of the clutch 6 to transmit power to the clutch 6.

[0028] The spiral bevel gear set 7 includes a drive shaft 701, a first spiral bevel gear 702, and a second spiral bevel gear 703. The left end of the drive shaft 701 is fixedly connected to the shaft center of the clutch 6. The right end of the drive shaft 701 meshes with the top side key of the first spiral bevel gear 702. The rear end teeth of the second spiral bevel gear 703 mesh with the first spiral bevel gear 702. The front end of the second spiral bevel gear 703 is connected to the rear end of the tool switching assembly 8. The front end of the second spiral bevel gear 703 is connected to the rear end of the tool switching assembly 8, thereby transmitting power to the tool switching assembly 8.

[0029] like Figure 5As shown, the tool switching assembly 8 includes a housing 801, a micro rotary motor 802 and a tool fixing sleeve 803, the micro rotary motor 802 and the tool fixing sleeve 803 penetrate the inside of the housing 801, the output end of the micro rotary motor 802 and the rear end of the tool fixing sleeve 803 are fixedly connected, the output end of the micro rotary motor 802 and the rear end of the tool fixing sleeve 803 are fixedly connected, so that the tool fixing sleeve 803 starts to rotate, the tool is installed in the tool fixing sleeve 803, with the rotation of the tool fixing sleeve 803, the tool starts to cut, when the tool needs to be switched, the disengagement and engagement of the clutch 6 is controlled through the control panel 11, the power transmission path is changed, different tool fixing sleeves 803 are rotated, and the switching of the tool is realized;

[0030] As shown in the figure, Figure 6 As shown, the holding and conveying assembly 9 includes a linear motor 901, a telescopic rod 902 and a holding frame 903, the front end of the telescopic rod 902 and the rear end of the linear motor 901 are fixedly connected, the outer end of the holding frame 903 and the rear end of the telescopic rod 902 are fixedly connected, the outer end of the holding frame 903 and the rear end of the telescopic rod 902 are connected, the holding and conveying assembly 9 further includes a micro electric cylinder 904, the micro electric cylinder 904 is arranged between the gaps of the holding frame 903, the rear end of the telescopic rod 902 is fixedly connected with the holding frame 903, with the extension and contraction of the telescopic rod 902, the holding frame 903 moves linearly on the top side of the front end of the machine tool plate 1.

[0031] Working principle: as shown in the figure, Figures 1-6 Power input and transmission: when tool switching or machining operation is needed, the operator issues an instruction through the control panel 11, the rotary motor 3 receives the instruction and starts, the right output end of the rotary motor 3 starts to rotate, driving the hollow spline shaft 4 connected thereto to rotate synchronously, the hollow spline shaft 4 is composed of a movable shaft 401 and a butt joint key 402, the power output by the movable shaft 401 is transmitted to the subsequent transmission components through the butt joint key 402;

[0032] In the transmission assembly 5, the output end of the butt joint spline shaft 501 is rotatably connected with the rear end of the hollow spline shaft 4, due to the rotation of the hollow spline shaft 4, the butt joint spline shaft 501 also rotates, the right end of the butt joint spline shaft 501 is fixedly connected with the shaft center of the butt joint shaft 502, thereby driving the butt joint shaft 502 to rotate, the end of the butt joint shaft 502 away from the butt joint spline shaft 501 is connected with the shaft center of the clutch 6, and the power is transmitted to the clutch 6;

[0033] Power switching and tool rotation driving: when the clutch 6 is in the engaged state, the spiral bevel gear set 7 fixedly connected at the right end starts to work, the left end of the transmission shaft 701 in the spiral bevel gear set 7 is fixedly connected with the shaft center of the clutch 6, and as the clutch 6 rotates, the transmission shaft 701 rotates, and the right end of the transmission shaft 701 and the top side tooth key of the first spiral bevel gear 702 are engaged, so that power is transmitted to the first spiral bevel gear 702 to make it start to rotate;

[0034] The first spiral bevel gear 702 meshes with the second spiral bevel gear 703, and the rotation of the first spiral bevel gear 702 drives the second spiral bevel gear 703 to rotate, and the front end of the second spiral bevel gear 703 is connected with the rear end of the tool switching assembly 8, so as to transmit power to the tool switching assembly 8;

[0035] In the tool switching assembly 8, the shell 801 plays a role in protecting the internal components, the micro rotary motor 802 and the tool fixing sleeve 803 penetrate the inside of the shell 801, the power transmitted by the second spiral bevel gear 703 drives the micro rotary motor 802 to operate, the output end of the micro rotary motor 802 is fixedly connected with the rear end of the tool fixing sleeve 803, so that the tool fixing sleeve 803 starts to rotate, the tool is installed in the tool fixing sleeve 803, and as the tool fixing sleeve 803 rotates, the tool starts to cut, when it is necessary to switch the tool, the clutch 6 is controlled to be separated and engaged through the control panel 11, the power transmission path is changed, different tool fixing sleeves 803 are rotated, and the switching of the tool is realized;

[0036] Workpiece holding and conveying: in the machining process, the holding and conveying assembly 9 is responsible for holding and conveying the workpiece, the linear motor 901 is installed at the top side front end right side of the machine tool plate 1, when it is necessary to convey the workpiece, the linear motor 901 starts to work, the telescopic rod 902 fixedly connected at the rear end shaft center of the linear motor 901 starts to stretch and retract, the rear end side wall of the telescopic rod 902 is fixedly connected with the holding frame 903, and as the telescopic rod 902 stretches and retracts, the holding frame 903 moves linearly at the top side front end of the machine tool plate 1;

[0037] The micro electric cylinder 904 is arranged between the gaps of the holding frame 903, when the workpiece is placed on the holding frame 903, the micro electric cylinder 904 starts to work, adjusts the holding force of the holding frame 903 on the workpiece through the telescopic action, and ensures that the workpiece is firmly clamped in the machining process, in different machining stages, the linear motor 901 accurately conveys the workpiece on the holding frame 903 to below the tool through the telescopic action of the telescopic rod 902, cooperates with the cutting of the tool, and completes the turning-milling combined deep hole machining operation.

Claims

1. A tool switching mechanism of a combined turning and milling deep hole processing machine tool, comprising a machine tool plate (1), characterized in that: The top rear end of the machine tool plate (1) is provided with a box (2), the left end of the box (2) is provided with a rotary motor (3), the right output end of the rotary motor (3) is connected with a hollow spline shaft (4), the right end side wall of the hollow spline shaft (4) is movably connected with a transmission assembly (5), the right end of the transmission assembly (5) is provided with a clutch (6), the right end of the clutch (6) is fixedly connected with a spiral bevel gear set (7), the transmission of the spiral bevel gear set (7) is connected with a tool switching assembly (8), the top side front right side of the machine tool plate (1) is provided with a holding conveying assembly (9). The tool switching assembly (8) comprises an outer shell (801), a micro rotary motor (802) and a tool fixing sleeve (803), the micro rotary motor (802) and the tool fixing sleeve (803) penetrate the inside of the outer shell (801), and the output end of the micro rotary motor (802) and the rear end of the tool fixing sleeve (803) are fixedly connected.

2. The tool changing mechanism of a hybrid deep hole machining machine tool according to claim 1, characterized in that: The hollow spline shaft (4) comprises a movable shaft (401) and a butt joint key (402), and the rear end of the butt joint key (402) is movably connected with the output end of the movable shaft (401).

3. The tool changing mechanism of a hybrid deep hole machining machine tool according to claim 1, characterized in that: The transmission assembly (5) comprises a butt joint spline shaft (501) and a butt joint shaft (502), the output end of the butt joint spline shaft (501) is rotatably connected with the rear end of the hollow spline shaft (4), the right end of the butt joint spline shaft (501) is fixedly connected with the shaft center of the butt joint shaft (502), and the end away from the butt joint spline shaft (501) of the butt joint shaft (502) is connected with the shaft center of the clutch (6).

4. The tool changing mechanism of a hybrid deep hole machining machine tool according to claim 1, characterized in that: The spiral bevel gear set (7) comprises a transmission shaft (701), a first spiral bevel gear (702) and a second spiral bevel gear (703), the left end of the transmission shaft (701) is fixedly connected with the shaft center of the clutch (6), the right end of the transmission shaft (701) is meshed with the top side tooth key of the first spiral bevel gear (702), the rear end tooth position of the second spiral bevel gear (703) is meshed with the first spiral bevel gear (702), and the front end of the second spiral bevel gear (703) is connected with the rear end of the tool switching assembly (8).

5. The tool changing mechanism of a hybrid deep hole machining machine tool according to claim 1, characterized in that: The holding conveying assembly (9) comprises a linear motor (901), a telescopic rod (902) and a holding frame (903), the front end of the telescopic rod (902) is fixedly connected with the rear end shaft center of the linear motor (901), the outer end of the holding frame (903) is fixedly connected with the rear end side wall of the telescopic rod (902), and the outer end of the holding frame (903) is connected with the rear end side wall of the telescopic rod (902).

6. The tool change mechanism of a hybrid deep hole machining machine tool according to claim 5, characterized in that: The holding conveying assembly (9) further comprises a micro electric cylinder (904), and the micro electric cylinder (904) is arranged between the gaps of the holding frame (903).

7. The tool changing mechanism of a hybrid deep hole machining machine tool according to claim 1, characterized in that: The bottom of the machine tool plate (1) is provided with a base (10), and the outer right side of the box (2) is provided with a control panel (11).

Images