Indexable mechanically-clamped turning tool

Abstract

The utility model discloses an indexable mechanically-clamped turning tool which comprises a tool bit, a connecting block is fixedly connected with a positioning clamping block, a tool body is arranged in a clamping groove, the top of the tool body is provided with a positioning groove, the bottom of the connecting block is fixedly connected with a positioning block, and the positioning block is inserted in the positioning groove. According to the design of structures such as a positioning clamping block, a positioning block, a connecting block and a fixing column, after a first fixing bolt is detached, when the connecting block is taken, the connecting block drives the positioning clamping block and the positioning block to move, and after the positioning clamping block and the positioning block can fall off to position a cutter body, the cutter body can be rotated to rotate on the fixing column, and then the cutter body can be fixed. According to the utility model, the rotary switching adjustment of the cutter body is realized, after the cutter body is adjusted and the connecting block is fixed through the first fixing bolt, the cutter body is fixed through the positioning clamping block and the positioning block, the cutter body can be conveniently switched and adjusted, the adjustment is convenient, simple and convenient, and the applicability is good.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting tools, in particular to an indexable machine-clamped turning tool. Background Art

[0002] Thread turning tools are a type of cutting tool. They are used to perform thread cutting on turning machines. Thread turning tools can be divided into many types according to their cutting methods and structural characteristics. For example, according to the number of cutting edges, they can be divided into single-edge thread turning tools, multi-edge thread turning tools, full-edge thread turning tools, etc.

[0003] The prior art provides a machine-clamped thread turning tool (publication number CN211331673U), which includes a cutter head, a square iron and a cutter body. The cutter head surface is provided with a mounting groove, the surface of the mounting groove is fixedly mounted with the cutter body via a cutter pad, and the outer periphery of the cutter body is fixedly mounted with a cutter tip, the inside of the cutter body is rotatably mounted with a mounting bolt, and the top of the cutter head on one side of the mounting groove is fixedly mounted with a square iron via a connecting bolt. The utility model is provided with a series of structures so that the cutter head can be replaced and used according to actual processing requirements during use, thereby making it more convenient for users to carry the device. The device has the advantages of strong stability and ease of use, which optimizes the use process.

[0004] During the actual operation of the above-mentioned machine-clamped thread turning tool, when switching the tool body, it is necessary to remove the fixing bolt on the fixed platform and the connecting bolt on the tool body before switching the tool body. The disassembly operation is troublesome and inconvenient to switch the tool body. Therefore, we need to propose an indexable machine-clamped thread turning tool. Utility Model Content

[0005] The purpose of the utility model is to provide an indexable machine-clamped turning tool, which can facilitate the switching and adjustment of the tool body, is easy and convenient to adjust, and has good applicability, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A indexable machine-clamped turning tool comprises a tool head, a placing portion is provided on the top of the tool head, a fixing column is fixedly connected to the placing portion, a tool body is sleeved on the fixing column, a positioning mechanism is provided in the tool head, a connecting block is provided on the positioning mechanism, a first fixing bolt is provided on the connecting block, the connecting block is fixedly installed on the top of the tool head by the first fixing bolt, a positioning block is fixedly connected to the connecting block, a slot for positioning the tool body is provided on the positioning block, the tool body is provided in the slot, a positioning slot is provided on the top of the tool body, a positioning block is fixedly connected to the bottom of the connecting block, and the positioning block is inserted in the positioning slot.

[0008] Preferably, it also includes a square iron, the end of the square iron is provided with a mounting groove, the end of the cutter head is fixedly connected with a mounting block, the mounting block is inserted in the mounting groove, a second fixing bolt is provided on the square iron, and the cutter head is fixedly mounted on the side of the square iron through the second fixing bolt and the mounting block.

[0009] Preferably, a through hole is provided in the blade body, the through hole is communicated with the positioning groove, and the fixing column is arranged in the through hole.

[0010] Preferably, a slot is provided at the bottom of the positioning block, and the fixing column is inserted into the slot.

[0011] Preferably, a positioning cylinder is fixedly connected to the top of the cutter head, and an avoidance groove is provided on the inner side of the cutter head and the positioning block, and the positioning cylinder is arranged in the avoidance groove.

[0012] Preferably, a plug-in column is movably inserted in the positioning cylinder, and the connecting block is fixedly installed on the top of the plug-in column.

[0013] Preferably, two groups of limit blocks are symmetrically fixedly connected to the surface of the plug-in column, and two groups of limit grooves for positioning the limit blocks are opened on the positioning cylinder, and the limit blocks are slidably installed in the limit grooves.

[0014] Preferably, a push spring is sleeved on the positioning cylinder, the upper end of the push spring is pressed against the bottom of the connecting block, and the lower end of the push spring is fixedly mounted on the top of the cutter head.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] Through the design of the positioning block, positioning block, connecting block and fixing column and other structures, after the first fixing bolt is disassembled, when taking the connecting block, the connecting block drives the positioning block and the positioning block to move, so that the positioning block and the positioning block can fall off. After the positioning of the knife body, the knife body can be rotated to make the knife body rotate on the fixing column to realize the rotation switching adjustment of the knife body. After the knife body is adjusted, after the connecting block is fixed by the first fixing bolt, the knife body is fixed by the positioning block and the positioning block. The utility model can facilitate the switching adjustment of the knife body, the adjustment is convenient, simple and convenient, and the applicability is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the cutter head structure of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the connecting block and the positioning card block of the utility model.

[0021] In the figure: 1. square iron; 2. cutter head; 3. mounting block; 4. mounting groove; 5. through hole; 6. placement part; 7. positioning block; 8. connecting block; 9. first fixing bolt; 10. avoidance groove; 11. positioning cylinder; 12. plug-in column; 13. limit groove; 14. limit block; 15. slot; 16. push spring; 17. positioning block; 18. cutter body; 19. positioning groove; 20. fixing column; 21. slot; 22. second fixing bolt. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides a technical solution: an indexable machine clamp turning tool, comprising a cutter head 2, a placement portion 6 is provided on the top of the cutter head 2, a fixing column 20 is fixedly connected to the placement portion 6, a cutter body 18 is sleeved on the fixing column 20, a positioning mechanism is provided in the cutter head 2, a connecting block 8 is provided on the positioning mechanism, a first fixing bolt 9 is provided on the connecting block 8, the connecting block 8 is fixedly installed on the top of the cutter head 2 through the first fixing bolt 9, a positioning block 7 is fixedly connected to the connecting block 8, a card slot 15 for positioning the cutter body 18 is provided on the positioning card block 7, the cutter body 18 is provided in the card slot 15, a positioning slot 19 is provided on the top of the cutter body 18, a positioning block 17 is fixedly connected to the bottom of the connecting block 8, and the positioning block 17 is inserted in the positioning slot 19;

[0024] By setting the first fixing bolt 9, the connecting block 8 can be fixed, and the blade 18 can be positioned by the positioning block 7 cooperating with the card slot 15. The positioning block 17 is inserted into the positioning slot 19 to position and fix the blade 18, thereby improving the stability of the blade 18. When the positioning block 7 and the positioning block 17 fix the blade 18, the side of the positioning block 7 fits with the side of the blade head 2, thereby positioning the positioning block 7. The position of the blade 18 can be positioned by the fixing column 20, so that when the blade 18 is adjusted, it is convenient to adjust the blade 18.

[0025] It also includes a square iron 1, the end of the square iron 1 is provided with a mounting groove 4, the end of the cutter head 2 is fixedly connected with a mounting block 3, the mounting block 3 is plugged into the mounting groove 4, and a second fixing bolt 22 is provided on the square iron 1, and the cutter head 2 is fixedly mounted on the side of the square iron 1 through the second fixing bolt 22 and the mounting block 3;

[0026] By setting the square iron 1, the cutter head 2 can be installed on the external processing tool holder, and the cutter head 2 can be installed on the square iron 1 by inserting the mounting block 3 into the mounting groove 4 and then by the second fixing bolt 22;

[0027] The blade body 18 is provided with a through hole 5, the through hole 5 is connected with the positioning groove 19, and the fixing column 20 is arranged in the through hole 5;

[0028] Through the provision of the through hole 5, when the blade body 18 is installed, the blade body 18 can be sleeved on the fixing column 20 through the through hole 5, and can be used to install the blade body 18;

[0029] A slot 21 is formed at the bottom of the positioning block 17, and the fixing column 20 is inserted into the slot 21;

[0030] By inserting the fixing column 20 into the slot 21, the firmness of the fixing column 20 can be improved;

[0031] The top of the cutter head 2 is fixedly connected with a positioning cylinder 11, and the inner sides of the cutter head 2 and the positioning block 7 are both provided with an avoidance groove 10, and the positioning cylinder 11 is arranged in the avoidance groove 10;

[0032] A plug-in column 12 is movably inserted in the positioning cylinder 11, and the connecting block 8 is fixedly installed on the top of the plug-in column 12;

[0033] By setting the positioning tube 11 and the plug-in column 12, when the connection block 8 is fixed, the plug-in column 12 can be plugged into the positioning tube 11, so as to store the plug-in column 12;

[0034] Two groups of limit blocks 14 are symmetrically fixedly connected to the surface of the plug-in column 12, and two groups of limit grooves 13 for positioning the limit blocks 14 are opened on the positioning cylinder 11, and the limit blocks 14 are slidably installed in the limit grooves 13;

[0035] The limiting block 14 cooperates with the limiting groove 13 to position the plug-in column 12 and prevent the plug-in column 12 from being separated from the plug-in column 12;

[0036] The positioning cylinder 11 is sleeved with a push spring 16, the upper end of the push spring 16 is pressed against the bottom of the connecting block 8, and the lower end of the push spring 16 is fixedly mounted on the top of the cutter head 2;

[0037] By setting the push spring 16, the push spring 16 can push the connecting block 8 so that the connecting block 8 can move upward, so that when the connecting block 8 moves, the positioning block 7 and the positioning block 17 can be moved away from the blade body 18;

[0038] During specific use, the first fixing bolt 9 is disassembled. After the first fixing bolt 9 is disassembled from the cutter head 2, the connecting block 8 can be pushed by the pushing spring 16. When the connecting block 8 moves, the plug-in column 12 can move in the positioning cylinder 11. The limiting block 14 cooperates with the limiting groove 13 to position the connecting block 8, so that the connecting block 8 can move smoothly. When the connecting block 8 moves, the positioning block 7 and the positioning block 17 can be driven to move, so that the positioning block 7 is removed from the cutter body 18, and the positioning block 17 is moved out of the positioning groove 19. After the positioning of the cutter body 18 by the positioning block 17 disappears, the cutter body 18 can be rotated so that the cutter body 18 rotates on the fixing column 20 and the cutter body 18 is aligned with the card slot 15. The card slot 15 is pressed down so that the positioning card block 7 is close to the cutter body 18, so that the card slot 15 can fix the cutter body 18, and the positioning block 17 can be inserted into the positioning slot 19. The cutter body 18 is positioned by the positioning block 17 cooperating with the positioning slot 19, so that the rotation switching adjustment of the cutter body 18 can be realized. After the cutter body 18 is adjusted, the connecting block 8 is fixed by the first fixing bolt 9.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An indexable machine-clamped turning tool, characterized in that: include: A cutter head (2), wherein a placement portion (6) is provided on the top of the cutter head (2), a fixing column (20) is fixedly connected to the placement portion (6), and a cutter body (18) is sleeved on the fixing column (20); a positioning mechanism disposed in the cutter head (2), the positioning mechanism being provided with a connecting block (8), the connecting block (8) being provided with a first fixing bolt (9), the connecting block (8) being fixedly mounted on the top of the cutter head (2) by means of the first fixing bolt (9); A positioning block (7) is fixedly connected to the connecting block (8), the positioning block (7) is provided with a slot (15) for positioning a blade (18), the blade (18) is arranged in the slot (15), a positioning slot (19) is provided on the top of the blade (18), and a positioning block (17) is fixedly connected to the bottom of the connecting block (8), the positioning block (17) is inserted into the positioning slot (19).

2. The indexable machine-clamped turning tool according to claim 1, characterized in that: It also comprises a square iron (1), the end of the square iron (1) being provided with a mounting groove (4), the end of the cutter head (2) being fixedly connected with a mounting block (3), the mounting block (3) being inserted into the mounting groove (4), the square iron (1) being provided with a second fixing bolt (22), the cutter head (2) being fixedly mounted on the side of the square iron (1) by means of the second fixing bolt (22) and the mounting block (3).

3. The indexable machine-clamped turning tool according to claim 1, characterized in that: A through hole (5) is provided in the blade body (18), the through hole (5) is communicated with the positioning groove (19), and the fixing column (20) is arranged in the through hole (5).

4. The indexable machine-clamped turning tool according to claim 3, characterized in that: A slot (21) is provided at the bottom of the positioning block (17), and the fixing column (20) is inserted into the slot (21).

5. The indexable machine-clamped turning tool according to claim 1, characterized in that: A positioning cylinder (11) is fixedly connected to the top of the cutter head (2), and an avoidance groove (10) is provided on the inner sides of the cutter head (2) and the positioning block (7), and the positioning cylinder (11) is arranged in the avoidance groove (10).

6. The indexable machine-clamped turning tool according to claim 5, characterized in that: A plug-in column (12) is movably inserted into the positioning cylinder (11), and the connection block (8) is fixedly mounted on the top of the plug-in column (12).

7. The indexable machine-clamped turning tool according to claim 6, characterized in that: Two groups of limit blocks (14) are symmetrically fixedly connected to the surface of the plug-in column (12), and two groups of limit grooves (13) for positioning the limit blocks (14) are provided on the positioning cylinder (11), and the limit blocks (14) are slidably installed in the limit grooves (13).

8. The indexable machine-clamped turning tool according to claim 7, characterized in that: The positioning cylinder (11) is sleeved with a push spring (16), the upper end of the push spring (16) is pressed against the bottom of the connecting block (8), and the lower end of the push spring (16) is fixedly mounted on the top of the cutter head (2).

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