Numerically-controlled lathe with tool bit convenient to replace

Abstract

The utility model provides a numerical control lathe with a tool bit convenient to replace. Comprising a base, a mounting assembly is arranged at the top of the base, an adjusting assembly is arranged on the inner side of the base and located at the bottom of the mounting assembly, and a connecting assembly is arranged at the top of the mounting assembly. According to the numerical control lathe with the tool bit convenient to replace, all parts of the device are arranged in a matched mode, and the tool apron is inserted into the inner side of the connecting frame and clamped into the inner side of the mounting groove in the top of the mounting plate through the clamping groove and the clamping block; and after the cutter on one side works for a long time, the connecting frame is taken out and rotated by an angle, so that machining is continued through the cutter on the other side, and the situation that due to long-time work of the cutters, parts are damaged, and the service life of the device is affected is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of numerically controlled lathes, in particular to a numerically controlled lathe which is convenient for replacing a cutter head. Background Art

[0002] CNC lathe is one of the most widely used CNC machine tools. It is mainly used for cutting and processing of inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces of arbitrary taper angles, complex rotating inner and outer curved surfaces, and cylindrical and conical threads, and can perform grooving, drilling, reaming, reaming and boring, etc. CNC machine tools automatically process the parts to be processed according to the pre-compiled processing program. We compile the processing route, process parameters, tool movement trajectory, displacement, cutting parameters and auxiliary functions of the parts into a processing program sheet according to the instruction code and program format specified by the CNC machine tool, and then record the contents of this program sheet on the control medium, and then input it into the CNC device of the CNC machine tool, so as to command the machine tool to process the parts.

[0003] In the related art, the tool head needs to be replaced according to the type and size of the workpiece during the processing of a CNC lathe. However, during use, the structure of replacing the tool head of some existing CNC lathes is relatively cumbersome and inconvenient, which makes it inconvenient to replace the tool head according to different processing techniques, thereby greatly reducing the working efficiency of the device.

[0004] Therefore, it is necessary to provide a CNC lathe that is easy to replace the cutter head to solve the above technical problems. Utility Model Content

[0005] The utility model provides a CNC lathe with easy replacement of cutter heads, which solves the problem that the structure of replacing the cutter heads of some existing CNC lathes is complicated during use, making it inconvenient for workers to replace the cutter heads, resulting in inconvenience in replacing the cutter heads according to different processing techniques, thereby greatly reducing the working efficiency of the device.

[0006] In order to solve the above technical problems, the utility model provides a CNC lathe that is convenient for replacing a tool head, comprising: a base, a mounting assembly is arranged on the top of the base, an adjustment assembly is arranged inside the base and at the bottom of the mounting assembly, and a connecting assembly is arranged on the top of the mounting assembly;

[0007] The mounting assembly comprises a mounting frame arranged on the top of the base, a mounting plate is slidably arranged inside the mounting frame, a threaded rod is fixedly mounted on the mounting plate, a threaded sleeve is threadedly arranged on the surface of the threaded rod, a connecting plate is rotatably arranged at the bottom of the threaded sleeve and located at the outer edge of the threaded rod, and two positioning rods are fixedly mounted on the bottom of the connecting plate close to and located on the left and right sides of the threaded rod;

[0008] The adjustment assembly includes a bidirectional threaded screw rotatably arranged inside the base and located at the bottom of the mounting frame, the surface of the bidirectional threaded screw is threaded with two threaded blocks, a first driving motor driving the bidirectional threaded screw to rotate is fixedly arranged on the left side of the base, and a hinged rod is hingedly arranged at the bottom of the connecting plate and the top of the threaded block;

[0009] The connecting assembly includes two connecting frames arranged on the top of the mounting plate, and a plurality of connecting rods are slidably arranged on adjacent sides of the inner sides of the two connecting frames. A knife seat is arranged on the inner side of each connecting frame, and positioning holes adapted to the positioning rods are provided at adjacent locations of the knife seat, the inner side of the connecting frame and the top of the mounting plate.

[0010] Preferably, a mounting frame is arranged on the top of the base and on the right side of the mounting frame, a three-jaw chuck is arranged on the left side of the mounting frame, and a second driving motor for driving the three-jaw chuck to rotate is fixedly arranged on the right side of the mounting frame.

[0011] Preferably, a processing opening is provided on the right side of the mounting frame, two lifting slots are provided on the inner side of the mounting frame, and lifting blocks that slide up and down along the inner sides of the lifting slots are provided on both left and right sides of the mounting plate.

[0012] Preferably, the top of the mounting frame and the bottom of the connecting plate are both provided with mounting grooves adapted to the connecting frame, and lifting rods are fixedly installed on the top of the mounting plate and on both sides of the threaded rod, and the surface of the lifting rod is slidably connected to the inner side of the connecting plate.

[0013] Preferably, a groove is provided on the top of the base for the threaded block to move left and right, and two moving rods are fixedly installed inside the groove and at the bottom of the bidirectional threaded screw, and the surfaces of the moving rods are slidably connected to the inner side of the threaded block.

[0014] Preferably, the knife seat is provided with a clamping groove on both the front and rear sides, the inner side of the connecting frame is fixedly mounted with a clamping block adapted to the clamping groove, and a knife is provided on the side away from the knife seat.

[0015] Compared with the related art, the CNC lathe provided by the utility model which is convenient for replacing the cutter head has the following advantages:

[0016] Beneficial effects:

[0017] The utility model provides a CNC lathe which is convenient for replacing a cutter head. The various parts of the device are arranged in coordination with each other so that the device can insert the cutter seat into the inner side of the connecting frame and the inner side of the mounting groove on the top of the mounting plate through the action of the connecting groove and the connecting block, thereby facilitating the staff to replace cutter heads of different sizes according to different processing techniques. When the cutter on one side has been working for a long time, the connecting frame is taken out and rotated by degrees, so that the processing can be continued through the cutter on the other side, thereby avoiding damage to the parts caused by the long-term operation of the cutter, which affects the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A structural schematic diagram of a preferred embodiment of a CNC lathe for facilitating the replacement of a cutter head provided by the utility model;

[0019] Figure 2 for Figure 1 A schematic diagram of the structure of the front cross-sectional view of the base shown;

[0020] Figure 3 for Figure 1 A schematic diagram of the structure of the side view of the mounting frame shown;

[0021] Figure 4 for Figure 1 A schematic structural diagram of a side view of the connecting frame shown.

[0022] Numbers in the figure: 10, base; 20, mounting assembly; 21, mounting frame; 22, mounting plate; 23, threaded rod; 24, threaded sleeve; 25, connecting plate; 26, positioning rod; 27, lifting slot; 28, lifting rod; 30, adjustment assembly; 31, bidirectional threaded screw; 32, threaded block; 33, first drive motor; 34, hinged rod; 35, moving rod; 40, connecting assembly; 41, connecting frame; 42, connecting rod; 43, tool holder; 44, positioning hole; 45, clamping slot; 46, clamping block; 47, tool; 50, three-jaw chuck; 60, second drive motor. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0024] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of a CNC lathe for facilitating the replacement of a cutter head provided by the utility model; Figure 2 for Figure 1 A schematic diagram of the structure of the front cross-sectional view of the base shown; Figure 3 for Figure 1 A schematic diagram of the structure of the side view of the mounting frame shown; Figure 4 for Figure 1 A CNC lathe for conveniently replacing a tool head comprises: a base 10, a mounting assembly 20 is arranged on the top of the base 10, an adjustment assembly 30 is arranged inside the base 10 and at the bottom of the mounting assembly 20, and a connecting assembly 40 is arranged on the top of the mounting assembly 20;

[0025] The mounting assembly 20 includes a mounting frame 21 disposed on the top of the base 10, a mounting plate 22 is slidably disposed inside the mounting frame 21, a threaded rod 23 is fixedly mounted on the mounting plate 22, a threaded sleeve 24 is threadedly disposed on the surface of the threaded rod 23, a connecting plate 25 is rotatably disposed at the bottom of the threaded sleeve 24 and located at the outer edge of the threaded rod 23, and two positioning rods 26 are fixedly mounted on the bottom of the connecting plate 25 near and located on the left and right sides of the threaded rod 23;

[0026] The threaded sleeve 24 is manually rotated, and the connection relationship between the threaded sleeve 24 and the threaded rod 23 drives the connecting plate 25 to slide downward on the surface of the lifting rod 28. The connecting plate 25 drives the positioning rod 26 to move downward and is inserted into the inner side of the adjacent positioning hole 44, thereby limiting the connecting frame 41 and the tool holder 43 at the same time, thereby increasing the stability of the tool 47 during operation. When the tool 47 on one side has been working for a long time, the threaded sleeve 24 can be rotated in the opposite direction, the connecting frame 41 can be taken out and rotated 180°, so that the processing can continue through the tool 47 on the other side, thereby avoiding damage to parts caused by the long-term operation of the tool 47, which affects the service life of the device.

[0027] The adjustment assembly 30 includes a bidirectional threaded screw 31 rotatably arranged inside the base 10 and located at the bottom of the mounting frame 21, and two threaded blocks 32 are threadedly arranged on the surface of the bidirectional threaded screw 31. A first driving motor 33 driving the bidirectional threaded screw 31 to rotate is fixedly arranged on the left side of the base 10, and a hinge rod 34 is hingedly arranged at the bottom of the connecting plate 25 and the top of the threaded block 32;

[0028] The first drive motor 33 starts working, driving the bidirectional threaded screw 31 to rotate, and the bidirectional threaded screw 31 drives the two threaded blocks 32 to slide the surface of the moving rod 35 toward the center, and the threaded block 32 slides upward to the highest point on the inner side of the mounting frame 21 through the mounting plate 22, thereby facilitating the staff to install and disassemble the tool 47.

[0029] The connecting assembly 40 includes two connecting frames 41 disposed on the top of the mounting plate 22, and a plurality of connecting rods 42 are slidably disposed on adjacent sides of the inner sides of the two connecting frames 41, and a knife seat 43 is disposed on the inner sides of the connecting frames 41. Positioning holes 44 adapted to the positioning rods 26 are provided on the knife seats 43, the inner sides of the connecting frames 41 and the adjacent parts of the top of the mounting plate 22;

[0030] According to the tool 47 required by the processing technology, the appropriate tool 47 is taken out, and the tool holder 43 is inserted into the inner side of the connecting frame 41 through the action of the clamping groove 45 and the clamping block 46, and the two connecting frames 41 are pulled to slide outward on the surface of the connecting rod 42 to adjust the spacing between the connecting frames 41 to the maximum. After passing through the connecting plate 25, the spacing between the two connecting frames 41 is reduced and clamped into the inner side of the mounting groove at the top of the mounting plate 22, so as to facilitate the staff to replace the tool heads of different sizes according to different processing technologies.

[0031] A mounting frame is arranged on the top of the base 10 and on the right side of the mounting frame 21 , a three-jaw chuck 50 is arranged on the left side of the mounting frame, and a second driving motor 60 for driving the three-jaw chuck 50 to rotate is fixedly arranged on the right side of the mounting frame.

[0032] A processing opening is provided on the right side of the mounting frame 21 , two lifting slots 27 are provided inside the mounting frame 21 , and lifting blocks that slide up and down along the inside of the lifting slots 27 are provided on both left and right sides of the mounting plate 22 .

[0033] The top of the mounting frame 21 and the bottom of the connecting plate 25 are both provided with mounting grooves adapted to the connecting frame 41 . The top of the mounting plate 22 and the front and rear sides of the threaded rod 23 are fixedly installed with lifting rods 28 . The surface of the lifting rods 28 is slidably connected to the inner side of the connecting plate 25 .

[0034] A groove is formed on the top of the base 10 for the threaded block 32 to move left and right. Two moving rods 35 are fixedly installed inside the groove and at the bottom of the bidirectional threaded screw 31 . The surfaces of the moving rods 35 are slidably connected to the inner side of the threaded block 32 .

[0035] The knife seat 43 is provided with a clamping groove 45 on both the front and rear sides, and a clamping block 46 adapted to the clamping groove 45 is fixedly installed on the inner side of the connecting frame 41 . A knife 47 is provided on the away side of the knife seat 43 .

[0036] The working principle of the CNC lathe that is convenient for replacing the cutter head provided by the utility model is as follows:

[0037] Step 1: The first drive motor 33 starts to work, driving the bidirectional threaded screw 31 to rotate, and the bidirectional threaded screw 31 drives the two threaded blocks 32 to slide on the surface of the moving rod 35 toward the center, and the threaded blocks 32 slide upward to the highest point on the inner side of the mounting frame 21 through the mounting plate 22, so that the staff can install and disassemble the tool 47;

[0038] Step 2: According to the tool 47 required by the processing technology, take out the appropriate tool 47, insert the tool holder 43 into the inner side of the connecting frame 41 through the action of the clamping groove 45 and the clamping block 46, pull the two connecting frames 41 to slide outward on the surface of the connecting rod 42, adjust the distance between the connecting frames 41 to the maximum, reduce the distance between the two connecting frames 41 after passing through the connecting plate 25, and clamp them into the inner side of the installation groove at the top of the installation plate 22, so as to facilitate the staff to replace the tool heads of different sizes according to different processing technologies;

[0039] Step 3: Manually rotate the threaded sleeve 24, and through the connection relationship between the threaded sleeve 24 and the threaded rod 23, drive the connecting plate 25 to slide downward on the surface of the lifting rod 28, and the connecting plate 25 drives the positioning rod 26 to move downward and is inserted into the inner side of the adjacent positioning hole 44, and the connecting frame 41 and the tool holder 43 are limited at the same time to increase the stability of the tool 47 during operation. When the tool 47 on one side has been working for a long time, the threaded sleeve 24 can be rotated in the opposite direction, and the connecting frame 41 can be taken out and rotated 180°, so that the processing can continue through the tool 47 on the other side, so as to avoid damage to parts caused by the long-term operation of the tool 47 and affect the service life of the device.

[0040] Compared with the related art, the CNC lathe provided by the utility model which is convenient for replacing the cutter head has the following advantages:

[0041] Beneficial effects:

[0042] By cooperating with each other in the various parts of the device, the device can insert the tool holder 43 into the inner side of the connecting frame 41 and clamp it into the inner side of the mounting groove at the top of the mounting plate 22 through the action of the clamping groove 45 and the clamping block 46, so that the staff can replace the tool heads of different sizes according to different processing techniques. When the tool 47 on one side has been working for a long time, the connecting frame 41 is taken out and rotated 180°, so that the processing can continue with the tool 47 on the other side, so as to avoid damage to the parts caused by the long-term operation of the tool 47, which will affect the service life of the device.

[0043] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A CNC lathe that is easy to replace the cutter head, characterized in that: include: A base (10), a mounting assembly (20) being arranged on the top of the base (10), an adjustment assembly (30) being arranged on the inner side of the base (10) and at the bottom of the mounting assembly (20), and a connection assembly (40) being arranged on the top of the mounting assembly (20); The mounting assembly (20) comprises a mounting frame (21) arranged on the top of the base (10), a mounting plate (22) is slidably arranged inside the mounting frame (21), a threaded rod (23) is fixedly mounted on the mounting plate (22), a threaded sleeve (24) is threadedly arranged on the surface of the threaded rod (23), a connecting plate (25) is rotatably arranged at the bottom of the threaded sleeve (24) and located on the outer edge of the threaded rod (23), and two positioning rods (26) are fixedly mounted at the bottom of the connecting plate (25) close to and located on the left and right sides of the threaded rod (23); The adjustment assembly (30) comprises a bidirectional threaded screw (31) rotatably arranged inside the base (10) and located at the bottom of the mounting frame (21); two threaded blocks (32) are threadedly arranged on the surface of the bidirectional threaded screw (31); a first driving motor (33) for driving the bidirectional threaded screw (31) to rotate is fixedly arranged on the left side of the base (10); and a hinge rod (34) is hingedly arranged at the bottom of the connecting plate (25) and the top of the threaded block (32); The connecting assembly (40) comprises two connecting frames (41) arranged on the top of the mounting plate (22), a plurality of connecting rods (42) are slidably arranged on adjacent inner sides of the two connecting frames (41), a knife seat (43) is arranged on the inner side of each connecting frame (41), and a positioning hole (44) adapted to the positioning rod (26) is provided on the adjacent parts of the knife seat (43), the inner side of the connecting frame (41) and the top of the mounting plate (22).

2. The CNC lathe for easy replacement of tool heads according to claim 1, characterized in that: A mounting frame is arranged on the top of the base (10) and located on the right side of the mounting frame (21), a three-jaw chuck (50) is arranged on the left side of the mounting frame, and a second driving motor (60) for driving the three-jaw chuck (50) to rotate is fixedly arranged on the right side of the mounting frame.

3. The CNC lathe for easy replacement of tool heads according to claim 1, characterized in that: A processing opening is provided on the right side of the mounting frame (21), two lifting grooves (27) are provided on the inner side of the mounting frame (21), and lifting blocks are provided on both left and right sides of the mounting plate (22) for sliding up and down along the inner side of the lifting grooves (27).

4. The CNC lathe for easy replacement of tool heads according to claim 1, characterized in that: The top of the mounting frame (21) and the bottom of the connecting plate (25) are both provided with mounting grooves adapted to the connecting frame (41); a lifting rod (28) is fixedly installed on the top of the mounting plate (22) and on both the front and rear sides of the threaded rod (23); and the surface of the lifting rod (28) is slidably connected to the inner side of the connecting plate (25).

5. The CNC lathe for easy replacement of tool heads according to claim 1, characterized in that: The top of the base (10) is provided with a groove for allowing the threaded block (32) to move left and right, and two moving rods (35) are fixedly installed inside the groove and at the bottom of the bidirectional threaded screw (31), and the surface of the moving rod (35) is slidably connected to the inner side of the threaded block (32).

6. The CNC lathe for easy replacement of tool heads according to claim 1, characterized in that: The knife seat (43) is provided with a clamping groove (45) on both the front and rear sides, and a clamping block (46) adapted to the clamping groove (45) is fixedly installed on the inner side of the connecting frame (41), and a knife (47) is provided on the side away from the knife seat (43).

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