CN215317262U

CN215317262U - Axial power knife holder

Info

Publication number: CN215317262U
Application number: CN202121888321.1U
Authority: CN
Inventors: 杨飞; 简盛招; 简新昌
Original assignee: Bai Xinyuan Precision Machinery Xiamen Co ltd
Current assignee: Bai Xinyuan Precision Machinery Xiamen Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2021-12-28
Anticipated expiration: 2031-08-12

Abstract

The utility model relates to the technical field of tool holders, in particular to an axial power tool holder, which comprises a main shell, wherein the main shell is provided with an installation cavity, and a locking piece and a bearing are arranged in the installation cavity; the end cover is covered on the main shell and is detachably connected with the main shell; and a main shaft including a sealing plate extending circumferentially along the main shaft; the main shaft penetrates through the mounting cavity and the end cover, the sealing plate cover is arranged on the end cover to be fixedly mounted, and the locking piece is connected with the main shaft. Through installing end cover, bearing and retaining member in the main shaft in proper order, then install the main shaft in the main casing body fixedly with the main casing body and end cover through the installation cavity direction of the main casing body with the part after the combination above-mentioned, accomplish the installation to the structure of power blade holder among the prior art is more complicated, is difficult for the installation, and sealed not good problem of effect has been solved, thereby has realized that the accessory is simple, simple to operate and sealed effectual.

Description

Axial power knife holder

Technical Field

The utility model relates to the technical field of tool apron, in particular to an axial power tool apron.

Background

Along with the increasing complexity, precision grade and processing efficiency improvement of a machined part, multi-axial and high rotating speed become necessary conditions of a machine tool; the power tool apron refers to a tool apron which is arranged on a power tool turret and can be driven by a servo motor, and the tool apron is generally applied to a turning and milling compound machine, and a few tool aprons can be applied to a machining center with the power tool turret.

CN208614269U patent "a power tool apron", published as 20190319, discloses a power tool apron, which comprises a base and a main shaft connector penetrating through the base, wherein a tool bar penetrates through the main shaft connector, the base is provided with a first connecting hole for the main shaft connector to pass through, and the main shaft connector is provided with a second connecting hole for the tool bar to pass through; the outer side wall of the base is uniformly provided with at least two positioning blocks in a spaced ring mode, and the positioning blocks are detachably connected with the base; the cutter bar extends out of the main shaft connector, and an angular contact bearing is arranged between the cutter bar and the base. The utility model has simple structure, can reduce the resistance when the cutter bar rotates by utilizing the angular contact bearing, has small processing volume and improves the processing precision; the structure is compact; when the power tool apron is installed, the position of the power tool apron is positioned by using the position of the positioning block, so that the power tool apron is convenient to install, position and use; the positioning block is detachably connected with the base, so that the positioning block is convenient to replace and detach and is convenient to reuse.

However, the power tool holder is complicated in structure, not easy to install, and poor in sealing effect.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of complicated structure, difficult installation and poor sealing effect of the structure of the power knife holder in the prior art, the utility model provides an axial power knife holder, which comprises

The locking mechanism comprises a main shell, a locking piece and a bearing, wherein the main shell is provided with an installation cavity, and the locking piece and the bearing are arranged in the installation cavity;

the end cover is covered on the main shell and is detachably connected with the main shell;

and a main shaft including a sealing plate extending circumferentially along the main shaft;

the main shaft penetrates through the mounting cavity and the end cover, the sealing plate cover is arranged on the end cover to be fixedly mounted, and the locking piece is connected with the main shaft.

In one embodiment, the end cap is concavely provided with at least one sealing groove, the sealing plate is convexly provided with at least one sealing lug matched with the sealing groove towards the end cap, and the sealing lug is embedded into the sealing groove for sealing.

In an embodiment, the axial power tool holder further includes a first sealing ring, the first sealing ring is sleeved on the spindle, and the first sealing ring abuts against the sealing plate and the end cover in the axial direction of the spindle.

In an embodiment, the axial dynamic tool apron further includes a second sealing ring, the second sealing ring is sleeved on the main shaft, and the second sealing ring abuts against the sealing plate and the end cover in a radial direction of the main shaft.

In an embodiment, the axial power tool holder further includes a third sealing ring, and the third sealing ring abuts against the end cover and the main housing, respectively.

In one embodiment, the main shell is further provided with a cooling water nozzle, and the cooling water nozzle is connected with the main shell ball.

In an embodiment, the main housing is further provided with a water nozzle fixing member, and the water nozzle fixing member is used for fixing the cooling water nozzle after the angle is adjusted.

In one embodiment, the axial power tool holder further comprises an eccentric positioning pin, and the eccentric positioning pin is connected with the main housing.

In one embodiment, the axial power tool holder further comprises an oil seal.

In one embodiment, the spindle further comprises an installation portion including a collet installation portion, a nut installation portion, and a tool installation portion.

Compared with the prior art, the axial power knife holder provided by the utility model has the advantages that the end cover, the bearing and the locking piece are sequentially arranged on the main shaft, then the main shaft is arranged on the main shell through the guiding of the mounting cavity of the main shell by the combined parts, and the main shell and the end cover are fixed to finish the mounting, so that the problems that the power knife holder in the prior art is complex in structure, difficult to mount and poor in sealing effect are solved, and the purposes of simple accessories, convenience in mounting and good sealing effect are realized.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be 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 the drawings without creative efforts; in the following description, the drawings are illustrated in a schematic view, and the drawings are not intended to limit the present invention.

FIG. 1 is a perspective view of an axial power tool holder according to the present invention;

FIG. 2 is a perspective view of an axial power tool holder according to another aspect of the present invention;

FIG. 3 is a cross-sectional view of an axial power tool holder provided by the present invention;

fig. 4 is an enlarged view of fig. 3.

Reference numerals:

100. main shell 110, retaining member 120 and bearing

130. A first body 131, a fourth seal ring 140, and a second body

200. End cap 210, sealing groove 220, cleaning through hole

300. Main shaft 310, sealing plate 311, sealing projection

320. Mounting portion 321, collet mounting portion 322, and nut mounting portion

323. Tool mounting part 400, first seal ring 500, and second seal ring

600. Third sealing ring 700, cooling water nozzle 710 and water nozzle fixing piece

720. Sphere 800, eccentric positioning pin 900 and oil seal

Detailed Description

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 drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments; the technical features designed in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be noted that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs, and are not to be construed as limiting the present invention; it will be further understood that terms used herein should be interpreted as having a meaning that is consistent with their meaning in the context of this specification and the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Specific examples are given below:

referring to fig. 1, an axial power tool holder includes a main housing 100, the main housing 100 includes a mounting cavity, and a locking member 110 and a bearing 120 are mounted in the mounting cavity; the end cover 200 is covered on the main shell 100 and is detachably connected with the main shell 100; and a main shaft 300, the main shaft 300 including a sealing plate 310 extending circumferentially along the main shaft 300;

the main shaft 300 penetrates through the mounting cavity and the end cap 200, the sealing plate 310 is covered on the end cap 200 to be mounted and fixed, and the locking member 110 is connected with the main shaft 300.

In implementation, the main housing 100 is used for mounting the axial power tool apron to a working machine table, and the main housing 100 includes a mounting cavity for mounting the main shaft 300, the locking member 110 and the bearing 120; wherein, the locker 110 is used to adjust the gap between the end cap 200 and the sealing plate 310 to achieve sealing, and the locker 110 may be a locking nut; the bearing 120 is rotatably connected to the main shaft 300, two ends of the bearing 120 respectively abut against the locking member 110 and the end cap 200, and the number of the bearings 120 can be set according to the size of the tool.

The end cap 200 covers the main housing 100 to protect the locking member 110 and the bearing 120 in the installation cavity, and the end cap 200 is detachably connected to the main housing 100, so that the end cap is convenient to disassemble and assemble, and can be a bolt or a screw to disassemble and connect.

The main shaft 300 includes a sealing plate 310 extending along the circumference of the main shaft 300, the sealing plate 310 is covered on the end cap 200 for mounting and fixing, and the size of the sealing plate 310 is larger than the mounting hole diameter of the end cap 200 to completely cover the hole position of the end cap 200 for preventing water from entering.

During installation, the end cover 200, the bearing 120 and the locking member 110 are sequentially installed on the main shaft 300, and at this time, through adjustment of the locking member 110, two ends of the bearing 120 are respectively abutted against the locking member 110 and the end cover 200; then, the main shaft 300 is mounted to the main housing 100 by guiding the combined parts through the mounting cavity of the main housing 100, and the main housing 100 and the end cap 200 are fixed to complete the mounting. Due to the retaining member 110, the spindle 300 cannot be pulled out in the axial direction, and the installation is stable. The gap between the end cap 200 and the sealing plate 310 is smaller by adjusting the locking member 110, and the gap between the end cap 200 and the main housing 100 is smaller by detachably connecting the end cap 200 and the main housing 100, so that the sealing performance of the whole mechanism is better.

Referring to fig. 3 and 4, in particular, the main housing 100 includes a first body 130 and a second body 140, wherein the first body 130 is far away from the end cap 200 relative to the second body 140, and the second body 140 abuts against the end cap 200.

Specifically, the first body 130 is used for being connected with a working machine, and preferably, the first body 130 is provided with the fourth sealing ring 131 to be in sealing fit with the working machine, so that the sealing effect is good.

Referring to fig. 1, preferably, the mounting cavity of the second body 140 is used for mounting the locking member 110 and the at least one bearing 120, the second body 140 is further provided with a cooling water nozzle 700, and the cooling water nozzle 700 is in ball connection with the second body 140, so that the angle of the cooling water nozzle 700 can be flexibly adjusted through the ball connection. Preferably, the second body 140 is further provided with a water nozzle fixing member 710, the water nozzle fixing member 710 is used for fixing the cooling water nozzle 700 after the angle is adjusted, specifically, when the water nozzle fixing member 710 moves in the feeding direction, the water nozzle fixing member abuts against the ball 720 of the cooling water nozzle 700 to complete the fixing, otherwise, the cooling water nozzle 700 is loosened to adjust the angle. The water nozzle fixing member 710 can ensure that the cooling water nozzle 700 is not moved when in operation, thereby ensuring the stability of the cooling position.

Referring to fig. 1, preferably, the axial power tool holder further includes an eccentric positioning pin 800, and the eccentric positioning pin 800 is connected to the second body 140 of the main housing 100, and penetrates out from the other end of the second body 140 to be positioned in cooperation with a working machine, so as to ensure the installation accuracy.

Referring to fig. 4, the end cap 200 is concavely provided with at least one sealing groove 210, and the sealing plate 310 is convexly provided toward the end cap 200 with at least one sealing protrusion 311 fitted into the sealing groove 210, the sealing protrusion 311 being inserted into the sealing groove 210 to seal. When the sealing protrusion 311 is fitted into the sealing groove 210, a labyrinth structure is formed to achieve sealing against water and dust. Preferably, the end cap 200 is further provided with a cleaning through hole 220 penetrating the end cap 200 for cleaning.

Referring to fig. 3, the spindle 300 further includes a mounting portion 320 for mounting a tool, and the mounting portion 320 includes a collet mounting portion 321, a nut mounting portion 322, and a tool mounting portion 323. When the tool mounting structure is used, the tool mounting portion 323 is provided with threads to facilitate clamping of various tools, the chuck is mounted on the chuck mounting portion 321, and then the nut is mounted on the nut mounting portion 322 to fix the chuck, so that the tool is mounted and fixed.

Preferably, an end of the main shaft 300 facing away from the end cap 200 is provided with an oil seal 900, and the oil seal 900 is also installed in and sealed with the installation cavity of the main housing 100.

Preferably, at least one sealing ring is disposed between each of the main housing 100, the end cap 200 and the main shaft 300 for sealing installation, so as to achieve the effect of a waterproof sealing equation.

Specifically, the axial power tool holder further includes a first sealing ring 400, the main shaft 300 is sleeved with the first sealing ring 400, and the first sealing ring 400 abuts against the sealing plate 310 and the end cap 200 in the axial direction of the main shaft 300. In implementation, the first sealing ring 400 is installed in a space enclosed by the sealing groove 210 and the main shaft 300, and the space utilization rate is high. The first sealing ring 400 is an elastic waterproof sealing ring, and a certain deformation space is provided when the locking member 110 is adjusted, thereby increasing the sealing effect.

Specifically, the axial power tool apron further comprises a second sealing ring 500, the spindle 300 is sleeved with the second sealing ring 500, the second sealing ring 500 abuts against the sealing plate 310 and the end cover 200 in the radial direction of the spindle 300 respectively, the second sealing ring 500 is a rigid sealing ring, sealing is waterproof and dustproof during installation, and the using effect is good.

Specifically, the axial power tool apron further includes a third seal ring 600, the third seal ring 600 abuts against the end cover 200 and the second body 140 of the main housing 100, the third seal ring 600 is an elastic seal ring, and when the end cover 200 and the main housing 100 are connected through the bolt, the third seal ring 600 plays a pre-tightening role, is firmly installed, and increases the sealing performance.

In summary, compared with the prior art, according to the axial power knife holder provided by the utility model, the end cover, the bearing and the locking piece are sequentially arranged on the main shaft, and then the main shaft is arranged on the main shell through the guiding of the installation cavity of the main shell by the combined parts, so that the main shell and the end cover are fixed, and the installation is completed, thereby solving the problems that the power knife holder in the prior art is complex in structure, difficult to install and poor in sealing effect, and further realizing simple accessories, convenient installation and good sealing effect.

In addition, it will be appreciated by those skilled in the art that, although there may be many problems with the prior art, each embodiment or aspect of the present invention may be improved only in one or several respects, without necessarily simultaneously solving all the technical problems listed in the prior art or in the background. It will be understood by those skilled in the art that nothing in a claim should be taken as a limitation on that claim.

Although terms such as main housing, mounting cavity, retaining member, bearing, end cap, main shaft, seal plate … … are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention; the terms "first," "second," and the like in the description and in the claims, and in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

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; while the utility model has been described in detail and with reference to the foregoing embodiments, it will 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; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an axial power blade holder which characterized in that: comprises that

The bearing comprises a main shell (100), wherein the main shell (100) is provided with a mounting cavity, and a locking piece (110) and a bearing (120) are arranged in the mounting cavity;

the end cover (200) is covered on the main shell (100) and is detachably connected with the main shell (100);

and a main shaft (300), the main shaft (300) comprising a sealing plate (310) extending circumferentially along the main shaft (300);

the main shaft (300) penetrates through the mounting cavity and the end cover (200), the sealing plate (310) is covered on the end cover (200) to be mounted and fixed, and the locking piece (110) is connected with the main shaft (300).

2. The axial power tool holder of claim 1, wherein: the end cover (200) is concavely provided with at least one sealing groove (210), the sealing plate (310) is convexly provided with at least one sealing lug (311) matched with the sealing groove (210) towards the end cover (200), and the sealing lug (311) is embedded into the sealing groove (210) for sealing.

3. The axial power tool holder of claim 1, wherein: the axial power tool apron further comprises a first sealing ring (400), the main shaft (300) is sleeved with the first sealing ring (400), and the first sealing ring (400) is respectively abutted to the sealing plate (310) and the end cover (200) in the axial direction of the main shaft (300).

4. The axial power tool holder of claim 1, wherein: the axial power tool apron further comprises a second sealing ring (500), the main shaft (300) is sleeved with the second sealing ring (500), and the second sealing ring (500) is respectively abutted to the sealing plate (310) and the end cover (200) in the radial direction of the main shaft (300).

5. The axial power tool holder of claim 1, wherein: the axial power tool apron further comprises a third sealing ring (600), and the third sealing ring (600) is respectively abutted against the end cover (200) and the main shell (100).

6. The axial power tool holder of claim 1, wherein: still be equipped with cooling water injection well choke (700) on main casing body (100), cooling water injection well choke (700) with main casing body (100) ball is connected.

7. The axial power tool holder of claim 6, wherein: the main shell (100) is further provided with a water nozzle fixing piece (710), and the water nozzle fixing piece (710) is used for fixing the cooling water nozzle (700) after the angle is adjusted.

8. The axial power tool holder of claim 1, wherein: the axial power knife holder further comprises an eccentric positioning pin (800), and the eccentric positioning pin (800) is connected with the main shell (100).

9. The axial power tool holder of claim 1, wherein: the axial power tool apron further comprises an oil seal (900).

10. The axial power tool holder of claim 1, wherein: the spindle (300) further comprises an installation part (320), and the installation part (320) comprises a chuck installation part (321), a nut installation part (322) and a cutter installation part (323).