Six-station cutter table of center lathe for machining castings

Abstract

The utility model relates to the technical field of machining lathes, and provides a center lathe six-station tool table for machining castings, which comprises a base and a tool table, the tool table is arranged on the base, a rotary switching assembly is arranged between a tool apron and the tool table, a tool mounting assembly is arranged on the tool table, and the tool mounting assembly comprises a plurality of outer grooves. A plurality of side grooves are formed in the outer surface of the base, and limiting sleeve blocks are arranged at one end of the base rotating shaft and located in the side grooves. By means of the technical scheme, the problems that in the related technology, when a center lathe is used for machining castings, multiple tools need to be repeatedly used, the number of the tools can reach six at most, however, an existing tool table is inconvenient to use, the number of the tools capable of being installed is limited, the different tools need to be repeatedly assembled, disassembled and switched, and the machining efficiency is low are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing lathes, in particular to a six-station tool table of an ordinary lathe for processing castings. Background Art

[0002] Conventional lathes are horizontal lathes capable of performing a variety of machining operations on a wide range of workpiece types, including shafts, disks, and rings. They are commonly used to machine internal and external rotating surfaces, end faces, and various internal and external threads. Using appropriate tools and accessories, they can also perform drilling, reaming, tapping, and knurling. Conventional lathes are the most widely used type of lathe, accounting for approximately 65% ​​of all lathes. They are called horizontal lathes because their spindles are positioned horizontally.

[0003] When using ordinary lathes to process castings, it is necessary to repeatedly use multiple tools, up to six types. However, the current tool holder is inconvenient to use and the number of tools that can be installed is limited, resulting in the need to repeatedly load and unload different tools, resulting in low processing efficiency.

[0004] Therefore, improvements are made to address the above problems. Utility Model Content

[0005] The utility model proposes a six-station tool table for an ordinary lathe for processing castings, which solves the problem in the related art that when using an ordinary lathe to process castings, it is necessary to repeatedly use multiple tools, up to six types, but the current tool table is inconvenient to use and the number of tools that can be installed is limited, resulting in the need to repeatedly load and unload different tools and switch, resulting in low processing efficiency.

[0006] The technical solution of the utility model is as follows:

[0007] A base and a knife platform, wherein the knife platform is arranged on the base;

[0008] A rotation switching assembly, the rotation switching assembly being arranged between the base and the tool platform;

[0009] A tool mounting assembly is arranged on the tool table, and the tool mounting assembly includes several outer grooves, a mounting seat is rotatably connected in the outer groove, and several side grooves are opened on the outer surface of the base. A limiting sleeve is provided at one end of the base rotating shaft, and the limiting sleeve is located in the side groove.

[0010] As a further technical solution, a pair of round rods are provided in the side groove, the outside of the round rods is slidably connected to a movable frame, the outside of the round rods is sleevedly connected to a support spring, and a limiting plug is provided on the side end face of the movable frame, the limiting plug is inserted in the limiting sleeve block, and the limiting plug is inserted inside the limiting sleeve block.

[0011] As a further technical solution, a knife groove is provided on the surface of the mounting seat, a groove is provided on the inner end face of the knife groove, an internal threaded hole is provided in the groove, a fastening bolt is screwed into the internal threaded hole, and a fixed pressure block is provided at one end of the fastening bolt.

[0012] As a further technical solution, the rotation switching assembly includes a rotation groove, which is opened on the surface of the base. A rotating block is provided on the bottom surface of the tool table. The rotating block is rotatably connected in the rotation groove. An inner cavity is opened in the tool table, and circular openings are opened in the bottom of the inner cavity and in the rotating block.

[0013] As a further technical solution, a column is provided in the rotating groove, a connecting groove is opened on the top of the column, a movable column is connected to the movable sleeve in the connecting groove, a spring is provided between the movable column and the connecting groove, and a rotating hole is opened on the top of the inner cavity.

[0014] As a further technical solution, several card slots are opened at the top of the inner cavity, a locking frame is provided at the upper end of the movable column, the locking frame is inserted into the card slot, and a pressing block is provided at the upper end of the movable column, and the pressing block is movably sleeved in the circular opening.

[0015] As a further technical solution, notches are provided on the inner bottom of the outer tank and the bottom surface of the base.

[0016] As a further technical solution, the cross-sections of the limiting insert and the limiting sleeve are both rectangular structures.

[0017] The working principle and beneficial effects of the utility model are as follows:

[0018] The utility model is provided with a tool mounting assembly. Through the interaction of structures such as a mounting seat, a limiting sleeve, a round rod, a movable frame, a limiting plug, a support spring, a tool groove, a fastening bolt and a fixed pressure block, different tools can be inserted respectively through six mounting seats with tool grooves. When the tool is used, it can be rotated outward 90° to unfold, and the position is fixed and limited by the cooperation of the limiting sleeve and the limiting plug, so that the tool will not loosen during the turning process, and has good use effect and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0020] Figure 1 This is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is an axonometric sectional view of the utility model;

[0022] Figure 3This is a cross-sectional view of the utility model;

[0023] In the figure: 1. Base; 2. Tool table; 3. Tool mounting assembly; 3-1. Outer groove; 3-2. Mounting seat; 3-3. Side groove; 3-4. Limit sleeve; 3-5. Round rod; 3-6. Moving frame; 3-7. Limit insert; 3-8. Tool groove; 3-9. Groove; 3-10. Internal threaded hole; 3-11. Fastening bolt; 3-12. Fixed pressure block; 3-13. Support spring; 4. Rotation switching assembly; 4-1. Rotation groove; 4-2. Rotation block; 4-3. Inner cavity; 4-4. Circular opening; 4-5. Column; 4-6. Connecting groove; 4-7. Movable column; 4-8. Spring; 4-9. Rotation hole; 4-10. Slot; 4-11. Locking frame; 4-12. Pressing block; 5. Notch. DETAILED DESCRIPTION

[0024] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] like Figures 1 to 3 As shown, this embodiment proposes a six-station tool holder for a common lathe for machining castings, including

[0026] A base 1 and a tool platform 2, wherein the tool platform 2 is arranged on the base 1;

[0027] A rotation switching component 4 is provided between the base 1 and the tool platform 2;

[0028] The tool mounting assembly 3 is arranged on the tool table 2. The tool mounting assembly 3 includes several outer grooves 3-1, and the mounting seat 3-2 is rotatably connected in the outer groove 3-1. The outer surface of the base 1 is provided with several side grooves 3-3. A limit sleeve 3-4 is provided at one end of the rotating shaft of the base 1. The limit sleeve 3-4 is located in the side groove 3-3. A pair of round rods 3-5 are provided in the side groove 3-3. The outside of the round rod 3-5 is slidably connected to the mobile frame 3-6. The outside of the round rod 3-5 is connected to the support A support spring 3-13 is provided on the side end face of the movable frame 3-6, and the limit plug 3-7 is inserted in the limit sleeve 3-4. The limit plug 3-7 is inserted inside the limit sleeve 3-4. A knife groove 3-8 is provided on the surface of the mounting seat 3-2, and a groove 3-9 is provided on the inner end face of the knife groove 3-8. An internal threaded hole 3-10 is provided in the groove 3-9, and a fastening bolt 3-11 is screwed into the internal threaded hole 3-10, and a fixed pressure block 3-12 is provided at one end of the fastening bolt 3-11.

[0029] In this embodiment, in order to realize a tool table 2 that can be equipped with six tools, a tool mounting assembly 3 is designed. Six outer grooves 3-1 are provided on the surface of the tool table 2. A mounting seat 3-2 is rotatably connected in the outer groove 3-1. Side grooves 3-3 with the same number as the outer grooves 3-1 are also provided. One end of the rotating shaft of the mounting seat 3-2 is located in the side groove 3-3 and is provided with a limiting sleeve 3-4. Two round rods 3-5 are provided inside the side groove 3-3. A movable frame 3-6 is slidably sleeved on the round rod 3-5 and is installed with a support spring 3-13. A side end surface of the movable frame 3-6 is provided with a limiting plug 3-7. The limiting plug 3-7 is provided It can be inserted into the limiting sleeve 3-4, and limit the mounting seat 3-2 so that the mounting seat 3-2 can only rotate 90°. A knife groove 3-8 is provided in the mounting seat 3-2 for inserting the tool. A groove 3-9 is provided on the inner side of the knife groove 3-8, and an internal threaded hole 3-10 is provided in the groove 3-9 and a fastening bolt 3-11 is screwed inside. A fixed pressure block 3-12 is provided at one end of the fastening bolt 3-11. When the tool is inserted into the knife groove 3-8, the fastening bolt 3-11 can be turned to press the fixed pressure block 3-12 on the tool for fixing. Six tools can be installed at the same time for switching.

[0030] Furthermore, the rotation switching component 4 includes a rotation groove 4-1, the rotation groove 4-1 is opened on the surface of the base 1, the bottom surface of the tool platform 2 is provided with a rotation block 4-2, the rotation block 4-2 is rotatably connected to the rotation groove 4-1, the tool platform 2 is provided with an inner cavity 4-3, the bottom of the inner cavity 4-3 and the rotation block 4-2 are provided with a circular opening 4-4, the rotation groove 4-1 is provided with a column 4-5, the top of the column 4-5 is provided with a connecting groove 4-6, and the connecting groove 4-6 is provided with a connecting groove 4-6. The movable sleeve is connected to a movable column 4-7, a spring 4-8 is provided between the movable column 4-7 and the connecting groove 4-6, a rotating hole 4-9 is provided at the top of the inner cavity 4-3, a plurality of card slots 4-10 are provided at the top of the inner cavity 4-3, a locking frame 4-11 is provided at the upper end of the movable column 4-7, the locking frame 4-11 is inserted in the card slot 4-10, a pressing block 4-12 is provided at the upper end of the movable column 4-7, and the pressing block 4-12 is movably sleeved in the circular opening 4-4.

[0031] In this embodiment, in order to achieve the rotation switching effect of different tools, a rotation switching component 4 is designed. A rotation groove 4-1 is provided on the surface of the base 1, and a rotation block 4-2 is provided at the bottom of the tool platform 2. The rotation block 4-2 is rotatably connected to the rotation groove 4-1. An inner cavity 4-3 and a circular opening 4-4 ​​are provided in the tool platform 2. A column 4-5 is provided at the bottom of the rotation groove 4-1. The column 4-5 is located in the circular opening 4-4. A connecting groove 4-6 is provided on the top of the column 4-5 and is movably connected to a movable column 4-7. A spring 4-8 is provided between the connecting groove 4-6 and the movable column 4-7. The elastic force of the spring 4-8 pushes the movable column 4-7 upward, and six card slots 4-10 are opened at the top of the inner cavity 4-3. A locking frame 4-11 is provided on the movable column 4-7. The locking frame 4-11 is inserted into the card slot 4-10 to limit the tool table 2, so that the tool table 2 cannot rotate. A rotating hole 4-9 connected to the inner cavity 4-3 is opened on the top of the tool table 2. A pressing block 4-12 is provided on the top of the movable column 4-7 and is located in the rotating hole 4-9. When the tool table 2 needs to be rotated, pressure can be applied to the pressing block 4-12, and the locking frame 4-11 can be pulled out of the card slot 4-10 to rotate the tool table 2.

[0032] Furthermore, notches 5 are provided on the inner bottom of the outer tank 3 - 1 and the bottom surface of the base 1 .

[0033] In this embodiment, the notch 5 is provided so as to avoid the position of the fastening bolt 3 - 11 after the mounting seat 3 - 2 is rotated downward.

[0034] Furthermore, the cross sections of the limiting insert 3 - 7 and the limiting sleeve 3 - 4 are both rectangular structures.

[0035] In this embodiment, through the rectangular structure, after the mounting seat 3-2 is rotated 90 degrees, the limiting insert 3-7 can be inserted into the limiting sleeve 3-4 again to control the fixed angle of the mounting seat 3-2.

[0036] When it is needed, the tool table 2 is installed on the lathe through the base 1, the tool is inserted into the tool slot 3-8 of the mounting block, and after tightening, the fastening bolt 3-11 is tightened to push the fixed pressure block 3-12 to press the tool. When the tool needs to be switched, the pressing block 4-12 is pressed downward, and the movable column 4-7 at the bottom is retracted into the connecting groove 4-6, and the locking frame is pulled out of the slot 4-10. Then, the tool table 2 is rotated. After switching the position, the pressing block 4-12 is released, and the elastic force of the spring 4-8 pushes the movable column 4-7 upward, and then the locking frame 4-11 is inserted back into the slot 4-10. According to the tool used, pull the movable frame 3-6, pull out the limit plug 3-7 in the limit sleeve 3-4, and then rotate the mounting base 3-2 outward 90°.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A six-station tool holder for a common lathe for machining castings, characterized in that: include A base (1) and a knife platform (2), wherein the knife platform (2) is arranged on the base (1); A rotation switching assembly (4), the rotation switching assembly (4) being arranged between the base (1) and the tool platform (2); A tool mounting assembly (3) is provided on the tool platform (2), the tool mounting assembly (3) comprising a plurality of outer grooves (3-1), a mounting seat (3-2) being rotatably connected in the outer grooves (3-1), a plurality of side grooves (3-3) being provided on the outer surface of the base (1), a limiting sleeve (3-4) being provided at one end of the rotating shaft of the base (1), and the limiting sleeve (3-4) being located in the side grooves (3-3).

2. The six-station tool holder of a common lathe for machining castings according to claim 1, characterized in that: A pair of round rods (3-5) are provided in the side groove (3-3); the outside of the round rods (3-5) is slidably connected to a moving frame (3-6); the outside of the round rods (3-5) is sleeve-connected to a supporting spring (3-13); a limiting plug (3-7) is provided on the side end surface of the moving frame (3-6); the limiting plug (3-7) is inserted into the limiting sleeve block (3-4); and the limiting plug (3-7) is inserted inside the limiting sleeve block (3-4).

3. The six-station tool holder of a common lathe for machining castings according to claim 2, characterized in that: A knife groove (3-8) is provided on the surface of the mounting seat (3-2), a groove (3-9) is provided on the inner end surface of the knife groove (3-8), an internal threaded hole (3-10) is provided in the groove (3-9), a fastening bolt (3-11) is screwed into the internal threaded hole (3-10), and a fixing pressure block (3-12) is provided at one end of the fastening bolt (3-11).

4. The six-station tool holder of a common lathe for machining castings according to claim 1, characterized in that: The rotation switching assembly (4) comprises a rotation groove (4-1), the rotation groove (4-1) being provided on the surface of the base (1), a rotation block (4-2) being provided on the bottom surface of the tool platform (2), the rotation block (4-2) being rotationally connected in the rotation groove (4-1), an inner cavity (4-3) being provided in the tool platform (2), and a circular opening (4-4) being provided in the bottom of the inner cavity (4-3) and in the rotation block (4-2).

5. The six-station tool holder of a common lathe for machining castings according to claim 4, characterized in that: A column (4-5) is provided in the rotating groove (4-1), a connecting groove (4-6) is provided on the top of the column (4-5), a movable column (4-7) is movably connected in the connecting groove (4-6), a spring (4-8) is provided between the movable column (4-7) and the connecting groove (4-6), and a rotating hole (4-9) is provided on the top of the inner cavity (4-3).

6. The six-station tool holder of a common lathe for machining castings according to claim 5, characterized in that: A plurality of card slots (4-10) are provided at the top of the inner cavity (4-3); a locking frame (4-11) is provided at the upper end of the movable column (4-7); the locking frame (4-11) is inserted into the card slots (4-10); a pressing block (4-12) is provided at the upper end of the movable column (4-7); the pressing block (4-12) is movably sleeved in the circular opening (4-4).

7. The six-station tool holder of a common lathe for machining castings according to claim 1, characterized in that: The inner bottom of the outer trough (3-1) and the bottom surface of the base (1) are both provided with notches (5).

8. The six-station tool holder of a common lathe for machining castings according to claim 3, characterized in that: The cross sections of the limiting insert (3-7) and the limiting sleeve (3-4) are both rectangular structures.

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