CN215033890U

CN215033890U - External rotation internal cooling structure of in-line type pneumatic-hydraulic self-feeding power head

Info

Publication number: CN215033890U
Application number: CN202121435202.0U
Authority: CN
Inventors: 张再刚
Original assignee: Yingkou Jiayou Industrial Automation Co ltd
Current assignee: Yingkou Jiayou Industrial Automation Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-07
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses in-line arrangement gas moves from the internal cooling structure that turns of turning of feeding unit head relates to machining equipment technical field, especially relates to an in-line arrangement gas moves from the internal cooling structure that turns of turning of feeding unit head. The hollow drill bit of the utility model is inserted into the inner hole of the cutting sleeve; the cutting sleeve is arranged at the front end of the inner-cooling main shaft through a cutting sleeve sealing nut; the tail end of the inner cooling main shaft is connected with a power end of a power head; the connector is connected and fixed on the inner-cooling main shaft by a hollow screw; a bearing is arranged on the positioning part of the connector and the inner cooling main shaft; and a sealing ring is also arranged at the positioning part of the connector and the inner cooling main shaft. The technical scheme of the utility model the outer cooling method who has solved among the prior art can't cool off the cutter cutting edge that hole depth is big, and the cutter that leads to wearing and tearing serious, see end cutter life, influence production efficiency and reduce product quality scheduling problem.

Description

External rotation internal cooling structure of in-line type pneumatic-hydraulic self-feeding power head

Technical Field

The utility model discloses in-line arrangement gas moves from the internal cooling structure that turns of turning of feeding unit head relates to machining equipment technical field, especially relates to an in-line arrangement gas moves from the internal cooling structure that turns of turning of feeding unit head.

Background

In the machining equipment, the power head is universal drilling, milling and boring equipment. Most of the existing power heads adopt a mode of externally spraying cooling liquid to cool the cutter, but the processing of some special workpieces is not suitable, for example, the depth of a processed hole is large, the cooling liquid cannot reach the cutting edge part of the cutter, the abrasion of the cutting edge is serious, the service life of the cutter is reduced, and the production efficiency is influenced. Meanwhile, the heat generated by processing can generate internal stress on parts, thereby generating certain negative influence on the quality of products.

In view of the problems in the prior art, it is necessary to design a novel external cooling structure of an in-line pneumatic-hydraulic self-feeding power head, so as to overcome the problems in the prior art.

Disclosure of Invention

According to the technical problems that the cutter is seriously abraded, the service life of the cutter is prolonged, the production efficiency is influenced, the product quality is reduced and the like caused by the fact that the cutter cutting edge with large hole depth cannot be cooled by the external cooling mode provided by the prior art, and the in-line type air-hydraulic self-feeding power head external cooling structure is provided.

The utility model discloses a technical means as follows:

an external cooling structure of an in-line pneumatic-hydraulic self-feeding power head comprises: the device comprises a hollow drill bit, a clamping sleeve sealing nut, an inner cooling main shaft, a connector, a bearing and a sealing ring;

further, the hollow drill bit is inserted into the inner hole of the cutting sleeve;

furthermore, the cutting sleeve is arranged at the front end of the inner cooling main shaft through a cutting sleeve sealing nut;

furthermore, the tail end of the inner cooling main shaft is connected with a power end of a power head;

further, the connector is connected and fixed on the inner cooling main shaft through a hollow screw rod;

furthermore, a bearing is arranged on the connector and the positioning part of the inner cooling main shaft;

furthermore, a sealing ring is arranged on the positioning part of the connector and the inner cooling main shaft.

Furthermore, the cutting ferrule is an inner-cooling special ER cutting ferrule, and the inner end of the cutting ferrule is processed into a conical surface.

Furthermore, a taper hole is machined at the front end of the inner cooling main shaft, and the taper hole is matched and assembled with the tapered surface of the clamping sleeve.

Furthermore, the connector is an external cold-to-internal cold connector and is divided into two parts; the bearing is arranged on the shaft positioning part, and the inner cooling connecting part is provided with a sealing ring to ensure that the inner cooling connecting part is communicated with the inner cooling main shaft, so that the cooling liquid can reach the inside of the cutter and cannot leak.

The utility model discloses a use-way does:

the tail end of the special internal-cooling main shaft is connected with a power end of a power head, and the power end rotates to drive the special hollow drill bit, the special ER cutting sleeve for internal cooling and the sealing nut of the special ER cutting sleeve for internal cooling to rotate together to finish the drilling process; during drilling, cooling liquid flows into three radial inner holes which are respectively arranged in an inner cavity of the special inner-cooling main shaft along the inner hole from an oil inlet of the outer-cooling-to-inner-cooling connector, flows through the inner cavity of the inner-cooling special ER cutting sleeve and flows out from the inner hole of the special hollow drill bit, and the cooling of the edge of the drill bit is completed.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model provides an in-line arrangement gas is surged from interior cooling structure of turning of abversion of feeding unit head, through with have axle inner chamber, leak-proof quick change cutting ferrule nut and have interior passageway refrigerated drill bit (cutter) cooperation to use, solved cutting part refrigerated problem, have certain impact, wash the effect to terminal burr of hole simultaneously

2. The external rotation internal cooling structure of the in-line pneumatic-hydraulic self-feeding power head provided by the utility model can prolong the service life of the cutter, improve the production efficiency and reduce the production cost;

3. the utility model provides an in-line arrangement gas is surged from turning internal cooling structure of feeding unit head can reduce to a certain extent and add the internal stress that produces man-hour, can improve and guarantee the quality of product.

To sum up, use the technical scheme of the utility model the outer cooling mode of having solved among the prior art can't cool off the cutter cutting edge that the hole depth is big, and the cutter wearing and tearing that lead to are serious, reduce cutter life, influence production efficiency and reduce product quality scheduling problem.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the inner cooling main shaft of the present invention;

fig. 3 is a schematic sectional view taken along line a-a of fig. 2.

In the figure: 1. hollow drill bit 2, cutting ferrule 3, cutting ferrule sealing nut 4, interior cold spindle 5, connector 6, bearing 7, sealing washer.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

As shown in the figure, the utility model provides an in-line arrangement gas moves from turning inner cooling structure outward of feeding unit head includes: the device comprises a hollow drill bit 1, a cutting sleeve 2, a cutting sleeve sealing nut 3, an inner cooling main shaft 4, a connector 5, a bearing 6 and a sealing ring 7; the hollow drill bit 1 is inserted into the inner hole of the cutting sleeve 2; the cutting sleeve 2 is arranged at the front end of the inner cooling main shaft 4 through a cutting sleeve sealing nut 3; the tail end of the inner cooling main shaft 4 is connected with a power end of a power head; the connector 5 is connected and fixed on the inner cooling main shaft 4 by a hollow screw; a bearing 6 is arranged on the positioning part of the connector 5 and the inner cooling main shaft 4; the positioning part of the connector 5 and the inner cooling main shaft 4 is also provided with a sealing ring 7.

The cutting ferrule 2 is an inner-cooling special ER cutting ferrule, and the inner end of the cutting ferrule is processed into a conical surface.

The front end of the inner cooling main shaft 4 is provided with a taper hole which is matched and assembled with the taper surface of the cutting sleeve 2.

The connector 5 is an external cold-to-internal cold connector and is divided into two parts; a bearing 6 is arranged at the position where the shaft is positioned, and a sealing ring 7 is arranged at the inner cooling connecting part to ensure that the inner cooling connecting part is communicated with the inner cooling main shaft 4 through a channel, so that cooling liquid can reach the inside of the cutter and cannot leak.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The externally rotating and internally cooling structure of the in-line pneumatic-hydraulic self-feeding power head is characterized by comprising: the drill bit comprises a hollow drill bit (1), a cutting sleeve (2), a cutting sleeve sealing nut (3), an inner cooling main shaft (4), a connector (5), a bearing (6) and a sealing ring (7);

the hollow drill bit (1) is inserted into the inner hole of the cutting sleeve (2);

the cutting sleeve (2) is arranged at the front end of the inner cooling main shaft (4) through a cutting sleeve sealing nut (3);

the tail end of the inner cooling main shaft (4) is connected with a power end of a power head;

the connector (5) is connected and fixed on the inner cooling main shaft (4) by a hollow screw rod;

a bearing (6) is arranged on the positioning part of the connector (5) and the inner cooling main shaft (4);

and a sealing ring (7) is also arranged at the positioning part of the connector (5) and the inner cooling main shaft (4).

2. The external rotation internal cooling structure of in-line pneumatic-hydraulic self-feeding power head as claimed in claim 1, wherein the cutting ferrule (2) is an ER cutting ferrule special for internal cooling, and the inner end of the cutting ferrule is processed into a conical surface.

3. The external rotation internal cooling structure of the in-line pneumatic-hydraulic self-feeding power head as claimed in claim 1, wherein a tapered hole is processed at the front end of the internal cooling main shaft (4), and the tapered hole is matched and assembled with the tapered surface of the cutting sleeve (2).

4. The external cooling structure of the in-line pneumatic-hydraulic self-feeding power head as claimed in claim 1, wherein the connector (5) is an external cooling-to-internal cooling connector divided into two parts; and a bearing (6) is arranged at the position of the shaft positioning part, and a sealing ring (7) is arranged at the inner cooling connecting part to ensure that the inner cooling connecting part is communicated with a channel of the inner cooling main shaft (4), so that the cooling liquid can reach the inside of the cutter and cannot leak.