Double-tool-position tool apron for lathe inner hole machining

Abstract

The utility model relates to the technical field of lathe machining, and discloses a lathe inner hole machining double-tool-location tool apron which comprises a tool apron body, a first tool location hole and a second tool location hole are formed in the tool apron body, the first tool location hole is located above the second tool location hole, and the first tool location hole and the second tool location hole penetrate through the tool apron body. The connecting seat is arranged above the tool apron body and used for being connected with a machine tool; and a positioning pin and a cutter head are arranged on the connecting seat. A double-cutter-position structure is adopted, the number of the installed cutters is increased, lathe machining can be completed at a time, further, positioning is conducted without combining a positioning pin with a cutter head, and accuracy and conciseness are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of lathe processing, in particular to a double-tool-position tool holder for internal hole machining of a lathe. Background Art

[0002] For parts (with a diameter of about 80 mm, a length of 200 mm, and complex internal holes and peripheral structures), face-by-face machining is generally used. However, face-by-face machining often results in unstable quality and low efficiency. In order to improve quality and efficiency, it is essential to adopt a process of changing two faces into one face. Under this background, it is necessary to increase the tool positions as a hardware guarantee. However, among the existing tool holders, there is no suitable one.

[0003] Therefore, there is an urgent need to provide a tool holder to solve the problems existing in the prior art. Summary of the Utility Model

[0004] Based on the above, the purpose of the utility model is to provide a double-tool-position tool holder for internal hole machining of a lathe, which can increase the number of installed tools and improve the machining ability of the machine tool.

[0005] To achieve the above object, the utility model adopts the following technical solutions:

[0006] The utility model provides a double-tool-position tool holder for internal hole machining of a lathe, comprising:

[0007] A tool holder body, on which a first tool position hole and a second tool position hole are provided. The first tool position hole is located above the second tool position hole, and the first tool position hole and the second tool position hole penetrate through the tool holder body;

[0008] A connecting seat, which is arranged above the tool holder body and is used for connecting the machine tool;

[0009] A positioning pin and a tool disc are arranged on the connecting seat.

[0010] Preferably, nozzles are arranged on both sides above the first tool position hole;

[0011] Cooling water channels are arranged in the tool holder body and the connecting seat, and the cooling water channels are communicated with the nozzles.

[0012] Preferably, an inflow port is arranged at the top of the connecting seat;

[0013] The cooling water channel comprises a first water channel, and one end of the first water channel is communicated with the inflow port;

[0014] The other end of the first water channel is communicated with a second water channel;

[0015] The second water channel is communicated with a third water channel;

[0016] The third water channel is communicated with a fourth water channel;

[0017] The fourth water channel is connected to a fifth water channel, and the fifth water channel is connected to one set of the nozzles;

[0018] The fourth water channel is further connected to a sixth water channel, the sixth water channel is connected to a seventh water channel, and the seventh water channel is connected to the other set of nozzles.

[0019] Preferably, a plurality of fastening screws are arranged on both sides of the tool holder body for fixing the internal hole boring tool arranged in the first tool position hole and the second tool position hole.

[0020] Preferably, hexagon screws are arranged around the connecting seat.

[0021] Preferably, at least two sets of connecting holes are formed in the tool disc.

[0022] Preferably, a positioning screw is further included for fixing the positioning pin.

[0023] Preferably, a sealing ring is embedded at the top of the inflow port.

[0024] Preferably, a flat head screw is arranged on one side of the nozzle.

[0025] The beneficial effects of the present utility model are as follows:

[0026] The present utility model provides a double-tool-position tool holder for internal hole machining of a lathe. Adopting a double-tool-position structure, the number of tool installations is increased, and the lathe machining can be completed at one time. Further, positioning is carried out by combining the tool disc with a positioning pin, which is accurate and simple. Further, by designing nozzles in combination with cooling water channels, the tool is cooled during the machining process. Description of the Drawings

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required to be used in the description of the embodiments of the present utility model. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the content of the embodiments of the present utility model and these drawings.

[0028] Figure 1 It is a schematic structural diagram of a double-tool-position tool holder for internal hole machining of a lathe provided by an embodiment of the present utility model;

[0029] Figure 2 It is a top view of a double-tool-position tool holder for internal hole machining of a lathe provided by an embodiment of the present utility model;

[0030] Figure 3 For Figure 2 A schematic structural diagram of the section taken along the A-A1 direction;

[0031] Figure 4 is Figure 2 A schematic structural view cut along the B - B1 direction;

[0032] Figure 5 is Figure 2 A schematic structural view cut along the C - C1 direction.

[0033] In the figure:

[0034] 1. Tool holder body; 11. First tool position hole; 12. Second tool position hole; 2. Connecting seat; 21. Tool disc; 211. Connecting hole; 22. Inlet port; 3. Positioning pin; 4. Nozzle; 41. Flat head screw; 51. First water channel; 52. Second water channel; 53. Third water channel; 54. Fourth water channel; 55. Fifth water channel; 56. Sixth water channel; 57. Seventh water channel; 6. Fastening screw; 7. Hexagonal screw; 8. Positioning screw; 9. Sealing ring. Specific embodiments

[0035] To make the technical problems solved by the present utility model, the technical solutions adopted, and the achieved technical effects clearer, the technical solutions of the embodiments of the present utility model will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of the present utility model.

[0036] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected to", and "fixed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0037] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features between them. Moreover, the first feature being "above", "over", and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "under", and "beneath" the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicating that the horizontal height of the first feature is lower than that of the second feature.

[0038] In the description of this embodiment, the orientation or positional relationships such as "upper", "lower", "left", "right", etc. are based on the orientation or positional relationships shown in the drawings. It is only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0039] As Figures 1 to 5 shown, the embodiment of the present utility model provides a double-tool-position tool holder for internal hole machining of a lathe, including: a tool holder body 1, on which a first tool position hole 11 and a second tool position hole 12 are provided. The first tool position hole 11 is located above the second tool position hole 12, and the first tool position hole 11 and the second tool position hole 12 penetrate through the tool holder body 1; a connecting seat 2, arranged above the tool holder body 1 for connecting to the machine tool; and a positioning pin 3 and a tool disc 21 are provided on the connecting seat 2.

[0040] Specifically, the embodiment of the present utility model provides a double-tool-position tool holder for internal hole machining of a lathe. Adopting a double-tool-position structure, the number of tool installations is increased, and the lathe machining can be completed at one time. Further, positioning is carried out through the combination of the positioning pin 3 and the tool disc 21, which is accurate and concise.

[0041] As a preferred embodiment of the present utility model, as Figures 1 to 5 shown, nozzles 4 are provided on both sides above the first tool position hole 11; a cooling water channel is arranged in the tool holder body 1 and the connecting seat 2, and the cooling water channel communicates with the nozzles 4. By designing the nozzles 4 in combination with the cooling water channel, the tool is cooled during the machining process. Specifically, an inflow port 22 is provided at the top of the connecting seat 2, and water can flow in from the inflow port 22; the cooling water channel includes a first water channel 51, one end of the first water channel 51 communicates with the inflow port 22; the other end of the first water channel 51 communicates with a second water channel 52; the second water channel 52 communicates with a third water channel 53; the third water channel 53 communicates with a fourth water channel 54; the fourth water channel 54 communicates with a fifth water channel 55, and the fifth water channel 55 communicates with one group of the nozzles 4; the fourth water channel 54 also communicates with a sixth water channel 56, the sixth water channel 56 communicates with a seventh water channel 57, and the seventh water channel 57 communicates with the other group of the nozzles 4. Water passes through the first water channel 51, the second water channel 52, the third water channel 53, the fourth water channel 54 and the fifth water channel 55 and sprays out from one of the nozzles 4 to cool the tool. In addition, water can also spray out from the other nozzle 4 through the sixth water channel 56 and the seventh water channel 57 to cool the tool.

[0042] As a preferred embodiment of the present utility model, asFigure 1 As shown, a number of fastening screws 6 are provided on both sides of the tool holder body 1 for fixing the internal hole boring tool disposed in the first tool position hole 11 and the second tool position hole 12.

[0043] As a preferred embodiment of the present invention, as Figure 1 shown, hexagon screws 7 are provided around the connecting seat 2, which are used to connect the entire tool holder to the machine tool.

[0044] As a preferred embodiment of the present invention, as Figure 1 shown, at least two sets of connecting holes 211 are formed in the tool disc 21, and the connecting holes 211 are used for positioning and facilitating connection.

[0045] As a preferred embodiment of the present invention, as Figure 1 shown, a positioning screw 8 is further included, which is used to fix the positioning pin 3.

[0046] As a preferred embodiment of the present invention, as Figure 1 shown, a sealing ring 9 is embedded at the top of the inflow port 22 for sealing the inflow port 22 to prevent water leakage.

[0047] As a preferred embodiment of the present invention, as Figure 1 shown, a flat head screw 41 is provided on one side of the nozzle 4, which is used to fix the nozzle 4.

[0048] Note that the above is only the preferred embodiment of the present invention and the applied technical principle. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein. Various obvious changes, re-adjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments. Without departing from the concept of the present invention, more other equivalent embodiments can be included, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A double-tool-position tool holder for internal hole machining of a lathe, characterized in that, Comprising: A tool holder body (1) provided with a first tool position hole (11) and a second tool position hole (12), the first tool position hole (11) being located above the second tool position hole (12), and the first tool position hole (11) and the second tool position hole (12) penetrating through the tool holder body (1); A connecting seat (2) disposed above the tool holder body (1) for connecting to a machine tool; A positioning pin (3) and a tool disc (21) are provided on the connecting seat (2).

2. The double-tool-position tool block for machining the inner hole of a lathe according to claim 1, wherein Nozzles (4) are provided on both sides above the first tool position hole (11); Cooling water channels are provided in the tool holder body (1) and the connecting seat (2), and the cooling water channels communicate with the nozzles (4).

3. A double-tool-position tool holder for internal hole machining of a lathe according to claim 2, characterized in that, An inflow port (22) is provided at the top of the connecting seat (2); The cooling water channel includes a first water channel (51), one end of the first water channel (51) communicating with the inflow port (22); The other end of the first water channel (51) communicates with a second water channel (52); The second water channel (52) communicates with a third water channel (53); The third water channel (53) communicates with a fourth water channel (54); The fourth water channel (54) communicates with a fifth water channel (55), and the fifth water channel (55) communicates with one group of the nozzles (4); The fourth water channel (54) also communicates with a sixth water channel (56), the sixth water channel (56) communicates with a seventh water channel (57), and the seventh water channel (57) communicates with the other group of the nozzles (4).

4. A double-tool-position tool holder for internal hole machining of a lathe according to claim 1, characterized in that A plurality of fastening screws (6) are provided on both sides of the tool holder body (1) for fixing the internal hole boring tools disposed in the first tool position hole (11) and the second tool position hole (12).

5. A double-tool-position tool holder for internal hole machining of a lathe according to claim 1, characterized in that, Hexagon screws (7) are provided around the connecting seat (2).

6. The double-tool-position tool holder for internal hole machining of a lathe according to claim 1, characterized in that, At least two groups of connecting holes (211) are formed in the tool disc (21).

7. A double-tool-position tool holder for internal hole machining of a lathe according to claim 1, characterized in that, A positioning screw (8) is further included for fixing the positioning pin (3).

8. A double-tool-position tool holder for internal hole machining of a lathe according to claim 3, characterized in that, A sealing ring (9) is embedded at the top of the inflow port (22).

9. The double-tool-position tool holder for internal hole machining of a lathe according to claim 2, characterized in that, A flat head screw (41) is provided on one side of the nozzle (4).

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