Tapping cutter handle capable of automatically spraying oil

Abstract

The utility model discloses a tapping cutter handle capable of automatically spraying oil. The tapping cutter handle comprises a basic cutter handle body, a screw tap protection device, a screw tap and an oil storage device. The basic cutter handle is provided with a first through air channel, the screw tap protection device is connected to the basic cutter handle and provided with a second through air channel, the second through air channel is communicated with the first through air channel, and a screw tap is connected to the screw tap protection device. The screw tap is located at the end, away from the first through air channel, of the second through air channel, the oil storage device is arranged on the basic cutter handle and / or the screw tap protection device, the oil storage device is provided with an oil conveying pipe, and the oil conveying pipe extends to the first through air channel or the second through air channel. The oil storage device is arranged on the tapping cutter handle capable of automatically spraying oil, oil can be automatically sprayed to a screw tap cutting edge or a thread bottom hole and a thread groove in a workpiece, a screw tap and the thread bottom hole of the thread groove can be cooled and lubricated, the service life of the screw tap is prolonged, and the qualification rate of thread machining is increased.

Description

Technical Field

[0001] The present application relates to the field of mechanical processing technology, and in particular to an automatic oil-spraying tapping tool handle. Background Art

[0002] Processing internal threads (commonly known as tapping) is a common part of mechanical processing. The tool usually used is a tap. Because there is a large cutting resistance and friction between the tap and the workpiece material when the tap cuts into the workpiece, a large amount of heat will be generated, causing the tap to wear too quickly. At the same time, the accuracy of the processed internal threads is also prone to become small, resulting in failure.

[0003] In order to protect the tap and ensure the internal thread, workers usually apply a layer of tapping oil on the cutting edge of the tap before processing. During processing, the tapping oil forms an oil film between the tap and the workpiece material to play a role in cooling and lubrication. However, in the prior art, tapping oil is usually applied to the tap manually and frequently, which increases the workload of workers and poses a safety hazard.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] The present application provides a tapping tool handle with automatic oil injection.

[0006] This application provides the following technical solutions:

[0007] An automatic oil-spraying tapping tool handle, comprising:

[0008] A basic knife handle, wherein the basic knife handle has a first through ventilation passage;

[0009] A tap protection device, the tap protection device is connected to the basic tool handle, the tap protection device has a second through-air passage, and the second through-air passage is connected to the first through-air passage;

[0010] A tap, the tap being connected to the tap protection device, and the tap being located at an end of the second through-air passage away from the first through-air passage;

[0011] An oil storage device is provided on the basic tool holder and / or the tap protection device, and the oil storage device has an oil delivery pipe, and the oil delivery pipe extends to the first through-air passage or the second through-air passage.

[0012] Optionally, the basic shank has a side fixing hole, and the side fixing hole is connected to the first through-air passage;

[0013] The tap protection device has a first pipe-through hole, and the first pipe-through hole is connected to the second through-air passage;

[0014] The tap protection device is partially inserted into the first through-air duct;

[0015] The oil delivery pipe passes through the side fixing hole and the first pipe penetration hole in sequence and extends to the second through air passage.

[0016] Optionally, the automatic oil-spraying tapping tool handle comprises a side fixing screw, and the side fixing screw is provided with a second pipe penetration hole;

[0017] The side fixing screw is threadedly connected to the side fixing hole and abuts against the tap protection device;

[0018] The oil delivery pipe is arranged to penetrate the second pipe penetration hole.

[0019] Optionally, the oil storage device is annular, is sleeved on the basic knife handle, and has an oil storage cavity and a third through-tube hole communicating with the oil storage cavity;

[0020] The oil delivery pipe is arranged to penetrate the third pipe penetration hole.

[0021] Optionally, the oil storage device comprises an inner cylinder and an outer cylinder, and the oil storage cavity is formed between the inner cylinder and the outer cylinder;

[0022] The inner cylinder is sleeved on the basic knife handle;

[0023] The inner cylinder is provided with the third through-tube hole, and the third through-tube hole is connected to the second through-tube hole of the side fixing screw.

[0024] Optionally, a plurality of limiting protrusions are provided on a side of the inner cylinder facing the outer cylinder, and each of the limiting protrusions is respectively limited to two sides of the oil pipeline.

[0025] Optionally, flange plates are provided on the mouths of both ends of the inner cylinder, and an annular groove is formed between the inner cylinder and the flange plates;

[0026] The outer cylinder is sleeved on the flange plate, and the outer cylinder closes the annular groove to form the oil storage chamber.

[0027] Optionally, an oil filling port connected to the oil storage cavity is provided on the flange plate;

[0028] The plug body is detachably connected to the oil filling port.

[0029] Optionally, a sealing strip is provided between the outer cylinder and the circumferential end surface of the flange plate;

[0030] The outer cylinder is a transparent structure.

[0031] Optionally, a third through-air passage is provided on the tap, and the third through-air passage is connected to the second through-air passage;

[0032] And / or, the tapping tool holder with automatic oil injection includes a tap sleeve, the tap is fixed to the tap protection device through the tap sleeve, the tap sleeve is located between the tap and the tap protection device, and a guide groove is arranged on the tap sleeve, and the guide groove is connected to the second through-air duct.

[0033] Compared with the prior art, the present invention has the following advantages:

[0034] The automatic oil-spraying tapping tool handle of the present application is provided with an oil storage device which can automatically spray oil onto the tap cutting edge or the thread bottom hole on the workpiece, thereby cooling and lubricating the tap and the thread bottom hole, thereby increasing the service life of the tap and the qualified rate of thread processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] By reading the detailed description below with reference to the accompanying drawings, the above and other purposes, features and advantages of the exemplary embodiments of the present disclosure will become readily understood. In the accompanying drawings, several embodiments of the present disclosure are shown in an exemplary and non-limiting manner, and the same or corresponding reference numerals represent the same or corresponding parts, wherein:

[0036] Figure 1 An exploded view of an automatic oil-spraying tapping tool handle provided in an embodiment of the present application is shown;

[0037] Figure 2 An assembly diagram of an automatic oil-spraying tapping tool handle provided in an embodiment of the present application is shown;

[0038] Figure 3 A schematic diagram showing a tap with an automatic oil-spraying tapping tool holder provided in an embodiment of the present application machining a threaded bottom hole into an internal thread on a workpiece.

[0039] In the figure, 1, basic tool handle; 11, side fixing hole; 2, tap protection device; 21, first pipe penetration hole; 3, tap; 4, oil storage device; 41, inner cylinder; 42, outer cylinder; 43, flange plate; 44, oil pipeline; 45, plug body; 5, tap sleeve; 6, locking nut; 7, workpiece; 71, threaded bottom hole; 72, internal thread. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present disclosure to clearly and completely describe the technical solutions in the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present disclosure.

[0041] The specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

[0042] In the above description of this specification, unless otherwise clearly specified and limited, the terms "fixed", "installed", "connected" or "connected" should be understood in a broad sense. For example, with regard to the term "connection", it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two elements or the interaction relationship between two elements. Therefore, unless otherwise clearly defined in this specification, those skilled in the art can understand the specific meanings of the above terms in this utility model according to the specific circumstances.

[0043] According to the above description of this specification, those skilled in the art may also understand that the terms used below, such as "up", "down", "front", "back", "left", "right", "length", "width", "thickness", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", "center", "longitudinal", "lateral", "clockwise" or "counterclockwise", etc., which indicate the orientation or position relationship, are based on the orientation or position relationship shown in the drawings of this specification, and are only for the purpose of facilitating the explanation of the scheme of the utility model and simplifying the description, rather than explicitly or implicitly indicating that the device or element involved must have the specific orientation, be constructed and operate in a specific orientation. Therefore, the above-mentioned orientation or position relationship terms cannot be understood or interpreted as limitations on the scheme of the utility model.

[0044] In addition, the terms "first" or "second" used in this specification to refer to numbers or ordinals are only used for descriptive purposes and cannot be understood as explicitly or implicitly indicating relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this specification, the meaning of "plurality" is at least two, such as two, three or more, etc., unless otherwise clearly and specifically defined.

[0045] See also Figures 1 to 3 As shown, an embodiment of the present application provides an automatic oil-spraying tapping tool holder, comprising: a basic tool holder 1 and a tap protection device 2, the basic tool holder 1 having a first through-air duct, the tap protection device 2 being connected to the basic tool holder 1, the tap protection device 2 having a second through-air duct, the second through-air duct being connected to the first through-air duct, a tap 3 being connected to the tap protection device 2, the tap 3 being located at one end of the second through-air duct away from the first through-air duct, an oil storage device 4 being disposed on the basic tool holder 1 and / or the tap protection device 2, the oil storage device 4 having an oil delivery pipe 44, the oil delivery pipe 44 extending to the first through-air duct or the second through-air duct.

[0046] The basic tool holder 1 is connected with an air source device, which can provide a compressed space. Compressed air flows into the first through-air duct at a high speed and then enters the second through-air duct. When the high-speed air flows through the oil outlet of the oil pipe 44, a negative pressure area is generated around the oil outlet. At this time, the air pressure in the oil storage chamber of the oil storage device 4 will be higher than the air pressure at the oil outlet. The air pressure difference causes the tapping oil to flow out. The tapping oil is then mixed into the compressed air, atomized and carried to the cutting edge at the front end of the tap 3 by the air flow, providing cooling and lubrication for the tapping processing part, thereby improving the service life of the tap 3 and ensuring the qualified rate of the processed internal thread.

[0047] The oil storage device 4 is provided on the tapping tool handle with automatic oil injection of the present application, which can automatically inject oil to the cutting edge of the tap 3 or the thread bottom hole 71 on the workpiece 7, so as to cool and lubricate the tap 3 and the thread bottom hole 71, thereby improving the service life of the tap 3 and the qualified rate of thread processing.

[0048] In some possible implementation schemes, the basic tool handle 1 has a side fixing hole 11, which is connected to the first through-air passage, the tap protection device 2 has a first through-tube hole 21, which is connected to the second through-air passage, and the tap protection device 2 is partially inserted into the first through-air passage, so that the first through-tube hole 21 and the side fixing hole 11 are opposite to each other, and the side fixing hole 11 is outside and the first through-tube hole 21 is inside, and the oil pipe 44 passes through the side fixing hole 11 and the first through-tube hole in sequence and extends to the second through-air passage. The oil outlet of the oil pipe 44 is located in the second through-air passage. In the embodiment of the present application, the oil pipe 44 is penetrated by the side fixing hole 11, so that the oil pipe 44 can smoothly extend into the second through-air passage.

[0049] In some possible implementations, the tapping tool handle with automatic oil injection includes a side fixing screw, the side fixing screw is provided with a second through-tube hole, the side fixing screw is threadedly connected to the side fixing hole 11 and abuts against the tap protection device 2, and the oil delivery pipe 44 is provided through the second through-tube hole. The oil delivery pipe 44 is sealed and connected to the second through-tube hole of the side fixing screw.

[0050] It should be noted that two side fixing holes 11 can be provided on the basic tool handle 1, while the tap protection device 2 has only a first through-tube hole 21, and only a second through-tube hole is provided on one side fixing screw. The two side fixing screws are respectively pressed against the surface of the tap protection device 2, wherein the second through-tube hole on one side fixing screw is connected to the first through-tube hole 21 on the tap protection device 2, so as to facilitate the installation of the oil delivery pipe 44.

[0051] In some possible implementations, the oil storage device 4 is annular, and the oil storage device 4 is sleeved on the basic handle 1. The oil storage device 4 has an oil storage cavity and a third through-hole communicating with the oil storage cavity, and the oil delivery pipe 44 is arranged to pass through the third through-hole. One end of the oil delivery pipe 44 extends into the oil storage cavity. The oil delivery pipe 44 is sealed and connected to the third through-hole.

[0052] In some possible implementation schemes, the oil storage device 4 includes an inner cylinder 41 and an outer cylinder 42, the oil storage chamber is formed between the inner cylinder 41 and the outer cylinder 42, the inner cylinder 41 is sleeved on the basic tool handle 1, the inner cylinder 41 is provided with the third through-tube hole, and the third through-tube hole is connected to the second through-tube hole of the side fixing screw. When there are two side fixing holes 11 on the basic tool handle 1, the inner cylinder 41 is provided with an avoidance hole corresponding to the other side fixing hole, so as to facilitate first sleeve the inner cylinder 41 on the basic tool handle 1, and then insert the tap protection device 2 into the first through-air passage of the basic tool handle 1, and then install one side fixing screw into one side fixing hole through the avoidance hole, and then install the other side fixing screw into the other side fixing hole through the third through-tube hole, and the side fixing bolt is provided with a second through-tube hole, and finally the side fixing screw on the side fixing hole 11 is screwed with a tool. The end of the side fixing screw facing away from the tap protection device 2 may be provided with a cap body, one end of the side fixing screw abuts against the tap protection device 2, and the cap body of the side fixing screw may be limited on the inner wall of the inner cylinder 41, thereby connecting and fixing the oil storage device 4 and the basic tool handle 1. At the same time, the oil storage device 4 and the basic tool handle 1 may also be fixed by colloid bonding to further increase the strength of the connection structure.

[0053] In some possible implementations, a plurality of limiting protrusions (not shown) are provided on one side of the inner cylinder 41 facing the outer cylinder 42, the limiting protrusions are located in the oil storage cavity, and each of the limiting protrusions is respectively limited to two sides of the oil delivery pipe 44. The limiting protrusions play a role in limiting the position of the oil delivery pipe 44.

[0054] In some possible implementation schemes, flange plates 43 are provided on the mouths of both ends of the inner cylinder 41, an annular groove is formed between the inner cylinder 41 and the flange plate 43, the outer cylinder 42 is sleeved on the flange plate 43, and the outer cylinder 42 closes the annular groove to form the oil storage chamber.

[0055] An oil filling port connected to the oil storage chamber is provided on the flange plate 43, and the plug body 45 is detachably connected to the oil filling port. The setting of the oil filling port can inject tapping oil into the oil storage chamber when the tapping oil in the oil storage chamber is exhausted or insufficient.

[0056] In some possible implementation schemes, a sealing strip is provided between the outer cylinder 42 and the circumferential end surface of the flange plate 43, and the sealing strip closes the gap between the circumferential end surface of the flange plate 43 and the outer cylinder 42. The outer cylinder 42 is a transparent structure, which is convenient for observing the consumption of tapping oil.

[0057] In some possible implementations, a third through-air passage is provided on the tap 3 , and the third through-air passage is connected to the second through-air passage. The third through-air passage may penetrate the tap 3 along the length direction of the tap 3 .

[0058] Alternatively, the tapping tool holder with automatic oil spraying includes a tap sleeve 5 and a locking nut 6, wherein the tap 3 is fixed to the tap protection device 2 through the tap sleeve 5, and the locking nut 6 is threadedly connected to the tap protection device 2 and presses the tap sleeve 5. The tap sleeve 5 is located between the tap 3 and the tap protection device 2, and a guide groove is provided on the tap sleeve 5, wherein the guide groove is connected to the second through-air passage. The tapping oil carried by the high-pressure gas can be discharged from the guide groove, so that the tapping oil finally flows downward to contact the cutting edge of the tap 3 or the threaded bottom hole 71 processed on the workpiece 7.

[0059] The tap 3 extends into the central groove of the tap sleeve 5, and the bottom end of the second through-air duct in the tap protection device 2 can be provided with an outward-expanding tapered mouth. The tap sleeve 5 is provided with a plurality of guide grooves around it, and the guide grooves extend from one end of the tap sleeve 5 to one side of the other end. One end of the tap sleeve 5 is tapered and matches the tapered mouth. There is an opening in the middle of the locking nut 6, and the locking nut 6 is sleeved on the outside of the tap sleeve 5. The opening is limited on the outer wall of the tap sleeve 5. The locking nut 6 is threadedly tightened on the tap protection device 2, so that the tap sleeve 5 is pressed against the tap protection device 2. Under the action of the tapered mouth, the tap sleeve 5 tightens the central groove inward, and the tap sleeve 5 clamps and fixes the tap 3.

[0060] Although this specification has shown and described a plurality of embodiments of the utility model, it is obvious to those skilled in the art that such embodiments are provided by way of example only. Those skilled in the art will think of many changes, modifications and alternatives without departing from the idea and spirit of the utility model. It should be understood that in the process of practicing the utility model, various alternatives to the embodiments of the utility model described herein may be adopted. The attached claims are intended to define the scope of protection of the utility model, and therefore cover the modular composition, equivalent or alternatives within the scope of these claims.

Claims

1. A tapping tool handle with automatic oil injection, characterized in that: include: A basic knife handle, wherein the basic knife handle has a first through ventilation passage; A tap protection device, the tap protection device is connected to the basic tool handle, the tap protection device has a second through-air passage, and the second through-air passage is connected to the first through-air passage; A tap, the tap being connected to the tap protection device, and the tap being located at an end of the second through-air passage away from the first through-air passage; An oil storage device is provided on the basic tool holder and / or the tap protection device, and the oil storage device has an oil delivery pipe, and the oil delivery pipe extends to the first through-air passage or the second through-air passage.

2. The automatic oil-spraying tapping handle according to claim 1, characterized in that: The basic shank has a side fixing hole, and the side fixing hole is connected to the first through-air passage; The tap protection device has a first pipe-through hole, and the first pipe-through hole is connected to the second through-air passage; The tap protection device is partially inserted into the first through-air duct; The oil delivery pipe passes through the side fixing hole and the first pipe penetration hole in sequence and extends to the second through air passage.

3. The automatic oil-spraying tapping handle according to claim 2, characterized in that: It comprises a side fixing screw, and the side fixing screw is provided with a second pipe penetration hole; The side fixing screw is threadedly connected to the side fixing hole and abuts against the tap protection device; The oil delivery pipe is arranged to penetrate the second pipe penetration hole.

4. The automatic oil-spraying tapping tool handle according to claim 3, characterized in that: The oil storage device is annular, and is sleeved on the basic knife handle. The oil storage device has an oil storage cavity and a third through-tube hole communicating with the oil storage cavity. The oil delivery pipe is arranged to penetrate the third pipe penetration hole.

5. The automatic oil-spraying tapping tool handle according to claim 4, characterized in that: The oil storage device comprises an inner cylinder and an outer cylinder, and the oil storage cavity is formed between the inner cylinder and the outer cylinder; The inner cylinder is sleeved on the basic knife handle; The inner cylinder is provided with the third through-tube hole, and the third through-tube hole is connected to the second through-tube hole of the side fixing screw.

6. The automatic oil-spraying tapping handle according to claim 5, characterized in that: A plurality of limiting protrusions are arranged on one side of the inner cylinder body facing the outer cylinder body, and each of the limiting protrusions is respectively limited at two sides of the oil delivery pipe.

7. The automatic oil-spraying tapping tool handle according to claim 5, characterized in that: Flange plates are provided on the mouths of both ends of the inner cylinder, and an annular groove is formed between the inner cylinder and the flange plates; The outer cylinder is sleeved on the flange plate, and the outer cylinder closes the annular groove to form the oil storage chamber.

8. The automatic oil-spraying tapping handle according to claim 7, characterized in that: An oil filling port connected to the oil storage cavity is arranged on the flange plate; The plug body is detachably connected to the oil filling port.

9. The automatic oil-spraying tapping tool handle according to claim 7, characterized in that: A sealing strip is provided between the outer cylinder and the circumferential end surface of the flange plate; The outer cylinder is a transparent structure.

10. The automatic oil-spraying tapping tool handle according to any one of claims 1 to 9, characterized in that: A third through-air passage is provided on the tap, and the third through-air passage is connected to the second through-air passage; And / or, the tapping tool holder with automatic oil injection includes a tap sleeve, the tap is fixed to the tap protection device through the tap sleeve, the tap sleeve is located between the tap and the tap protection device, and a guide groove is arranged on the tap sleeve, and the guide groove is connected to the second through-air duct.

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