Vertical turning and milling combined machine tool capable of stably operating

Abstract

The utility model relates to a vertical turning and milling combined machine tool capable of stably operating, which effectively solves the problems that the existing turning and milling combined machine tool can influence the feeding precision of a processing workpiece driven by a main shaft seat and the processing precision and quality of the workpiece. According to the vertical turning and milling combined machining machine tool capable of stably operating, through the arrangement of the fixed main shaft seat, the first driving mechanism, the second driving mechanism, the third driving mechanism, the first sliding rail mechanism and the second sliding rail mechanism, the fixed main shaft seat for fixing a workpiece to be machined is set to be in a fixed state; only the main shaft in which the workpiece is fixed rotates but does not move, and the turning and milling cutter is driven by the first driving mechanism, the second driving mechanism and the third driving mechanism to move so as to turn and mill the workpiece, so that the influence on the overall moving precision of the main shaft seat due to long-time driving of the workpiece to move can be avoided; large errors are prevented from being generated during turning and milling, the machining quality of workpieces is guaranteed, and the machine tool can keep high-precision stable operation for a long time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lathe -milling composite machining machine tool structure technical field, concretely relates to a vertical lathe -milling composite machining machine tool of stable operation. BACKGROUND

[0002] Lathe -milling composite machining machine tool because its machining precision is high, efficiency is high and the advantage such as flexible machining, plays an important role in the mechanical manufacturing of metal parts, especially in the discrete production organization mode of multi -variety small -batch, can greatly reduce the use amount of tooling, speed up the product development process.

[0003] The existing lathe -milling composite machining machine tool is processed to the workpiece, mostly the workpiece to be processed is fixed on the spindle holder, then the feed amount of the workpiece is adjusted through the front and back movement of the spindle holder, so as to lathe -milling the workpiece, but because part of the workpiece to be processed is large in size and mass, if the spindle holder moves forward and backward frequently after being fixed on the spindle holder, the assembly precision of the spindle holder is reduced by the inertia generated when the heavy workpiece starts and stops after the spindle holder moves the heavy object for a long time, so as to produce the shaking, the precision of the spindle holder driving the machining workpiece feed is affected, and the machining precision and quality of the workpiece are further affected. UTILITY MODEL CONTENTS

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a vertical lathe -milling composite machining machine tool of stable operation, which can avoid affecting the overall activity precision of the spindle holder due to long time driving the workpiece to move, prevent large error during lathe -milling, ensure the machining quality of the workpiece, and make the machining machine tool maintain high-precision stable operation for a long time.

[0005] A vertical lathe -milling composite machining machine tool of stable operation, comprising a base and a moving table, a fixed spindle holder is fixedly installed on the upper surface of the base near the middle of the front side, and a first driving mechanism is arranged on the other side, the bottom end of the moving table is provided with a first sliding rail mechanism, the moving table is slidably connected to the upper surface of the base through the first sliding rail mechanism and connected with the first driving mechanism, a second sliding rail mechanism is arranged on the front side of the moving table, and a transverse moving frame is slidably connected through the second sliding rail mechanism, a second driving mechanism is arranged in the middle of the front side of the moving table and can drive the transverse moving frame to move, third driving mechanisms are arranged on both sides of the front side of the transverse moving frame, and vertical moving frames are drivingly connected to the outside of the third driving mechanisms, and tool holder clamping pieces on which different tool bits can be installed are fixedly installed on the side surfaces of the two vertical moving frames.

[0006] Preferably, the lower surface of the base is connected with adjustable supporting legs through threads, the number of the supporting legs is several, and the supporting legs are arranged on the lower surface of the base in the form of a rectangular array.

[0007] Preferably, the first driving mechanism comprises a first fixed seat, a first motor, a first screw rod and a first screw rod sleeve, the first fixed seat is fixedly connected to the middle of the upper surface of the base, the first screw rod is rotatably connected to the inside of the first fixed seat, the first motor is fixedly installed on the side of the first fixed seat away from the fixed main shaft seat and connected with the first screw rod through spline, and the first screw rod sleeve is threadedly connected to the outside of the first screw rod and fixedly connected to the middle of the lower surface of the moving table.

[0008] Preferably, the first sliding rail mechanism comprises a first sliding rail and a first sliding sleeve, the number of the first sliding rails is several, and the several first sliding rails are equidistantly and fixedly installed on the upper surface of the base, the outside of each first sliding rail is slidably connected with two first sliding sleeves, and the several first sliding sleeves are fixedly connected to the lower surface of the moving table.

[0009] Preferably, the second sliding rail mechanism comprises a second sliding rail and a second sliding sleeve, the number of the second sliding rails is two, and the two second sliding rails are fixedly installed on the top and bottom of the front of the moving table, the second sliding sleeve is fixedly connected to the back of the transverse moving frame and slidably connected to the outside of the two second sliding rails, and the second sliding rail on the bottom of the front of the moving table is more protruded to the side of the fixed main shaft seat than the second sliding rail on the top.

[0010] Preferably, the second driving mechanism comprises a second fixed seat, a second motor, a second screw rod and a second screw rod sleeve, the second fixed seat is fixedly installed on the front of the moving table, the second screw rod is rotatably connected to the inside of the second fixed seat, the second motor is fixedly installed in the inside of the second fixed seat and connected with the second screw rod through spline, and the second screw rod sleeve is threadedly connected to the outside of the second screw rod and fixedly connected to the back of the transverse moving frame.

[0011] Preferably, the third driving mechanism comprises a third fixed seat, a third motor, a third screw rod and a third screw rod sleeve, the third fixed seat is fixedly installed on the front of the transverse moving frame, the third screw rod is vertically rotatably connected to the inside of the third fixed seat, the third motor is fixedly installed in the inside of the third fixed seat and connected with the third screw rod through spline, and the third screw rod sleeve is threadedly connected to the outside of the third screw rod and fixedly connected to the middle of the back of the vertical moving frame.

[0012] The above technical scheme has the following beneficial effects:

[0013] This stable vertical milling and turning machine tool, through the configuration of a fixed spindle seat, a first drive mechanism, a second drive mechanism, a third drive mechanism, a first slide rail mechanism, and a second slide rail mechanism, sets the fixed spindle seat, which holds the workpiece to be processed, in a fixed state. Only the spindle holding the workpiece inside rotates, while the spindle itself does not move. It is integrated with the machine base. The first, second, and third drive mechanisms drive the milling and turning cutter to move and perform milling and turning on the workpiece. This avoids affecting the overall accuracy of the spindle seat due to prolonged workpiece movement, prevents large errors during milling and turning, and ensures the processing quality of the workpiece. This allows the machine tool to maintain high-precision and stable operation for a long time. The first and second slide rail mechanisms provide support and guidance for the movement of the moving table and the transverse moving frame, further ensuring the smooth operation of each structure and making it easier to use for milling and turning on workpieces. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the base of this utility model;

[0016] Figure 3 This is a schematic diagram of the front structure of the mobile platform of this utility model;

[0017] Figure 4 This is a schematic diagram of the transverse moving frame of this utility model;

[0018] Figure 5 This is a schematic diagram of the second drive mechanism of this utility model.

[0019] In the diagram: 1. Machine base; 2. Moving table; 3. Fixed spindle seat; 4. Horizontal moving frame; 5. Vertical moving frame; 6. Tool clamping device; 7. Support leg; 8. First fixed seat; 9. First motor; 10. First lead screw; 11. First lead screw sleeve; 12. First slide rail; 13. First sliding sleeve; 14. Second slide rail; 15. Second sliding sleeve; 16. Second fixed seat; 17. Second motor; 18. Second lead screw; 19. Second lead screw sleeve; 20. Third fixed seat; 21. Third motor; 22. Third lead screw; 23. Third lead screw sleeve. Detailed Implementation

[0020] The foregoing and other technical contents, features and effects of this utility model are described in conjunction with the appendix below. Figures 1 to 5 The embodiments are described in detail below.

[0021] This embodiment provides a vertical turning and milling composite machining center that can operate stably, as shown in the attached figure. Figures 1-5As shown, including base 1 and mobile station 2, the lower surface of base 1 is connected with adjustable support leg 7 through screw, the number of support leg 7 is several and several support legs 7 are arranged in the form of rectangular array on the lower surface of base 1, by adjusting the height of each support leg 7, the machining tool can be stably supported on the ground, preventing the tool from shaking and affecting the machining precision;

[0022] The upper surface of base 1 is fixedly installed with fixed spindle holder 3 near the middle of the front side, and the other side is provided with first driving mechanism, first driving mechanism includes first fixed seat 8, first motor 9, first lead screw 10 and first lead screw sleeve 11, first fixed seat 8 is fixedly connected to the middle of the upper surface of base 1, and first lead screw 10 is rotatably connected to the inside of first fixed seat 8, first motor 9 is fixedly installed on the side away from fixed spindle holder 3 of first fixed seat 8 and connected with first lead screw 10 through spline, first lead screw sleeve 11 is connected with first lead screw 10 outside through screw transmission and fixedly connected to the middle of the lower surface of mobile station 2, first motor 9 drives first lead screw 10 to rotate, first lead screw sleeve 11 can be driven to move along the axial direction of first lead screw 10 through screw drive, so as to drive mobile station 2 to move forward and backward, which is convenient for adjusting the front and back distance between tool holder clamping piece 6 and workpiece.

[0023] The bottom end of mobile station 2 is provided with first slide rail mechanism, and mobile station 2 is slidably connected to the upper surface of base 1 through first slide rail mechanism and connected with first driving mechanism, first slide rail mechanism includes first slide rail 12 and first slide sleeve 13, the number of first slide rail 12 is several and several first slide rails 12 are fixedly installed on the upper surface of base 1 in equal distance and parallel, two first slide sleeves 13 are slidably connected to the outside of each first slide rail 12, and several first slide sleeves 13 are fixedly connected to the lower surface of mobile station 2, mobile station 2 is slidably connected to first slide rail 12 through first slide sleeve 13, which can reduce the friction when mobile station 2 moves forward and backward, and also can stably support mobile station 2, ensuring that mobile station 2 can move stably.

[0024] The front surface of the moving table 2 is provided with a second sliding rail mechanism and is slidably connected with the transverse moving frame 4 through the second sliding rail mechanism. The second sliding rail mechanism comprises a second sliding rail 14 and a second sliding sleeve 15. The second sliding rail 14 is two in number and is fixedly installed on the top and bottom of the front surface of the moving table 2 respectively. The second sliding sleeve 15 is fixedly connected on the back surface of the transverse moving frame 4 and is slidably connected on the outside of the two second sliding rails 14. The second sliding rail 14 on the bottom of the front surface of the moving table 2 protrudes more to the side of the fixed main shaft seat 3 than the second sliding rail 14 on the top, so that the front surface of the moving table is in a stepped shape. The second sliding sleeve 15 on the top of the back surface of the transverse moving frame 4 protrudes to the rear and is matched with the second sliding rail 14 on the front surface of the moving table 2, forming a stepped support structure, so as to improve the supporting force of the moving table 2 on the transverse moving frame 4 and ensure that the transverse moving frame 4 can move transversely on the moving table 2 more stably.

[0025] The middle part of the front surface of the moving table 2 is provided with a second driving mechanism which can drive the transverse moving frame 4 to move. The second driving mechanism comprises a second fixed seat 16, a second motor 17, a second lead screw 18 and a second lead screw sleeve 19. The second fixed seat 16 is fixedly installed on the front surface of the moving table 2 and the second lead screw 18 is rotatably connected in the inside of the second fixed seat 16. The second motor 17 is fixedly installed in the inside of the second fixed seat 16 and is connected with the second lead screw 18 through a spline. The second lead screw sleeve 19 is threadedly connected on the outside of the second lead screw 18 and is fixedly connected on the back surface of the transverse moving frame 4. The second motor 17 drives the second lead screw 18 to rotate, so as to drive the second lead screw sleeve 19 and the transverse moving frame 4 to move transversely and reciprocally through the thread, thereby facilitating the adjustment of the transverse relative position between the tool holder 6 and the workpiece to be processed.

[0026] The third driving mechanism is arranged on both sides of the front surface of the horizontal moving frame 4, and the third driving mechanism is externally connected with the vertical moving frame 5. The back surface of the vertical moving frame 5 is fixedly connected with a sliding sleeve, and the front surface of the horizontal moving frame 4 is fixedly installed with a sliding rail matched with the sliding sleeve. The two vertical moving frames 5 are vertically slidably connected to the front surface of the horizontal moving frame 4 through the sliding sleeve and the sliding rail, which can limit and guide the vertical moving frame 5 and ensure smooth movement. The third driving mechanism comprises a third fixed seat 20, a third motor 21, a third lead screw 22 and a third lead screw sleeve 23. The third fixed seat 20 is fixedly installed on the front surface of the horizontal moving frame 4, and the third lead screw 22 is vertically rotatably connected to the inside of the third fixed seat 20. The third motor 21 is fixedly installed in the third fixed seat 20 and connected with the third lead screw 22 through a spline. The third lead screw sleeve 23 is threadedly connected to the outside of the third lead screw 22 and fixedly connected to the middle of the back surface of the vertical moving frame 5. The side surface of each vertical moving frame 5 is fixedly installed with a tool head clamping piece 6 capable of installing different tool heads. The third motor 21 drives the third lead screw 22 to rotate, which can drive the third lead screw sleeve 23 to vertically move up and down through the thread, so as to adjust the height of the tool head clamping piece 6. The number of the third driving mechanism and the vertical moving frame 5 is two, and the two third driving mechanisms can operate independently. The operator can install different turning tools and milling cutters on the two tool head clamping pieces 6 respectively, and control the different tool head clamping pieces to move to the position in contact with the workpiece through the two third driving mechanisms, so as to perform compound machining on the workpiece.

[0027] In summary, the stable vertical turning and milling compound machining machine tool has the following use steps:

[0028] 1. Fix the workpiece to be machined on the rotating spindle in the fixed spindle holder 3, and control the first motor 9, the second motor 17 and the third motor 21 to operate, so as to move the moving table 2, the horizontal moving frame 4 and the vertical moving frame 5 to the position close to the workpiece.

[0029] 2. When the turning tool is used to machine the workpiece, the workpiece to be machined is driven to rotate at high speed by the rotating spindle, and then the first motor 9, the second motor 17 and the third motor 21 are controlled to drive the moving table 2, the horizontal moving frame 4 and the vertical moving frame 5 to move finely according to the required turning precision, so that the turning tool turns the workpiece.

[0030] 3. When the milling cutter is needed to machine the workpiece, the workpiece is fixed, the tool head clamping piece installed with the milling cutter is controlled to rotate at high speed, and the moving table 2, the horizontal moving frame 4 and the vertical moving frame 5 are also controlled to move finely by the first motor 9, the second motor 17 and the third motor 21, so as to realize accurate milling of the workpiece.

[0031] The above is only for the purpose of illustrating the present application, and it should be understood that the present application is not limited to the above examples, and various modifications in accordance with the present application are within the scope of the present application.

Claims

1. A stable vertical turning and milling machine tool, comprising a base (1) and a moving table (2), characterized in that: The upper surface of the base (1) is fixedly installed with a fixed main shaft seat (3) near the middle of the front side and is provided with a first driving mechanism on the other side, the bottom end of the moving table (2) is provided with a first sliding rail mechanism, and the moving table (2) is slidably connected to the upper surface of the base (1) through the first sliding rail mechanism and is connected to the first driving mechanism, the front side of the moving table (2) is provided with a second sliding rail mechanism and slidably connected with a transverse moving frame (4) through the second sliding rail mechanism, the middle of the front side of the moving table (2) is provided with a second driving mechanism which can drive the transverse moving frame (4) to move, and the front side of the transverse moving frame (4) is provided with a third driving mechanism on both sides, and the outer part of the third driving mechanism is drivingly connected with a vertical moving frame (5), and the side surface of each of the two vertical moving frames (5) is fixedly installed with a tool holder (6) which can install different tool bits.

2. The vertical turning and milling machine tool capable of stable operation according to claim 1, characterized in that: The lower surface of the base (1) is threadedly connected with adjustable supporting legs (7), the number of the supporting legs (7) is several, and the several supporting legs (7) are arranged on the lower surface of the base (1) in the form of a rectangular array.

3. The vertical turning and milling machine tool capable of stable operation according to claim 1, characterized in that: The first driving mechanism comprises a first fixed seat (8), a first motor (9), a first lead screw (10) and a first lead screw sleeve (11), the first fixed seat (8) is fixedly connected to the middle of the upper surface of the base (1), and the first lead screw (10) is rotatably connected to the inside of the first fixed seat (8), the first motor (9) is fixedly installed on the side of the first fixed seat (8) away from the fixed main shaft seat (3) and is connected with the first lead screw (10) through a spline, and the first lead screw sleeve (11) is threadedly drivingly connected to the outside of the first lead screw (10) and is fixedly connected to the middle of the lower surface of the moving table (2).

4. The stable vertical turning and milling machine tool of claim 1, wherein: The first sliding rail mechanism comprises a first sliding rail (12) and a first sliding sleeve (13), the number of the first sliding rail (12) is several, and the several first sliding rails (12) are equidistantly and fixedly installed on the upper surface of the base (1), the outside of each first sliding rail (12) is slidably connected with two first sliding sleeves (13), and the several first sliding sleeves (13) are fixedly connected to the lower surface of the moving table (2).

5. The stable vertical turning and milling machine tool of claim 1, wherein: The second sliding rail mechanism comprises a second sliding rail (14) and a second sliding sleeve (15), the number of the second sliding rail (14) is two, and the two second sliding rails (14) are respectively fixedly installed on the top and bottom of the front side of the moving table (2), the second sliding sleeve (15) is fixedly connected to the back of the transverse moving frame (4) and is slidably connected to the outside of the two second sliding rails (14), and the second sliding rail (14) on the bottom of the front side of the moving table (2) is more protruded to the side of the fixed main shaft seat (3) than the second sliding rail (14) on the top.

6. The stable vertical turning and milling machine tool of claim 1, wherein: The second driving mechanism comprises a second fixed seat (16), a second motor (17), a second screw rod (18) and a second screw rod sleeve (19), the second fixed seat (16) is fixedly installed on the front face of the moving table (2), the second screw rod (18) is rotatably connected inside the second fixed seat (16), the second motor (17) is fixedly installed inside the second fixed seat (16) and is connected with the second screw rod (18) through a spline, and the second screw rod sleeve (19) is threadedly connected outside the second screw rod (18) and is fixedly connected on the back face of the horizontal moving frame (4).

7. The stable vertical turning and milling machine tool of claim 1, wherein: The third driving mechanism comprises a third fixed seat (20), a third motor (21), a third screw rod (22) and a third screw rod sleeve (23), the third fixed seat (20) is fixedly installed on the front face of the horizontal moving frame (4), the third screw rod (22) is vertically rotatably connected inside the third fixed seat (20), the third motor (21) is fixedly installed inside the third fixed seat (20) and is connected with the third screw rod (22) through a spline, and the third screw rod sleeve (23) is threadedly connected outside the third screw rod (22) and is fixedly connected on the middle part of the back face of the vertical moving frame (5).

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