CN216575549U

CN216575549U - High-precision numerical control gantry machining center spindle structure

Info

Publication number: CN216575549U
Application number: CN202123411776.7U
Authority: CN
Inventors: 展鹏
Original assignee: Dalian Pengfeng Equipment Manufacturing Co ltd
Current assignee: Dalian Pengfeng Equipment Manufacturing Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-24
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a high accuracy numerical control longmen machining center main shaft structure, including main shaft and handle of a knife, the internally mounted of main shaft has the handle of a knife, anti-drop subassembly is installed to the outer wall of main shaft, the outer wall cover of main shaft is equipped with the snap ring, the internal thread of snap ring is connected with the connecting piece, the outer wall of connecting piece runs through the snap ring and links to each other with main shaft screw thread, the outer wall rigid coupling of snap ring has even board. The utility model relates to a machining center technical field, this high accuracy numerical control longmen machining center main shaft structure, through snap ring, connecting piece, even board, right angle board and ring etc. cooperation use, install the snap ring at the outer wall of main shaft, use the connecting piece to carry out position fixing to the snap ring, at the outer wall rotation right angle board of even board, right angle board card is in the recess of handle of a knife, when blind rivet and gripper separation, the right angle board blocks the handle of a knife, prevents that the handle of a knife from directly dropping, increases the security when preventing the cutter impaired.

Description

High-precision numerical control gantry machining center spindle structure

Technical Field

The utility model relates to a machining center technical field specifically is a high accuracy numerical control longmen machining center main shaft structure.

Background

The gantry machining center is arranged by the axis of the main shaft Z shaft being vertical to the workbenchMachining centerThe integral structure is composed of double upright posts and a top beamThe large machining center machine of the portal structure frame is particularly suitable for machining large workpieces and workpieces with complex shapes, a cross beam is arranged in the middle of a double-upright column, and a main shaft is a component of the machining center, for example, the application number is as follows: CN 202020840780.1's a high accuracy numerical control longmen machining center main shaft structure, this high accuracy numerical control longmen machining center main shaft structure compares with current ordinary main shaft structure, through the abrasionproof layer, avoids main shaft body and other object direct contact, causes wearing and tearing, influences the life-span of main shaft, easy to assemble with dismantle the cutter, increased with the cutter between the cohesion, prevent that the cutter from skidding, the air flow rate in the main shaft has been accelerated to the fan, the heat dissipation is rapid.

However, when the tool holder is detached, the tool holder can fall down quickly under the influence of the weight of the tool holder, and if a worker does not hold the tool, the tool can be damaged, and potential safety hazards exist in the existing high-precision numerical control gantry machining center spindle structure.

Disclosure of Invention

Not enough to prior art, the utility model provides a high accuracy numerical control longmen machining center main shaft structure has solved current handle of a knife and can fall fast, and if the staff did not hold, the cutter will be damaged, has the problem of potential safety hazard moreover.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a high-precision numerical control gantry machining center spindle structure comprises a spindle and a tool shank, wherein the tool shank is installed inside the spindle, and an anti-falling assembly is installed on the outer wall of the spindle;

anti-drop subassembly includes snap ring, connecting piece, even board, right angle board and ring:

the outer wall cover of main shaft is equipped with the snap ring, the inside threaded connection of snap ring has the connecting piece, the outer wall of connecting piece runs through the snap ring and links to each other with the main shaft screw thread, the outer wall rigid coupling of snap ring has even the board, the one end that even board kept away from the snap ring articulates there is the right angle board, the outer wall rigid coupling of even board has the ring.

Preferably, a cutter is installed at one end of the cutter handle, a blind rivet is fixedly connected to the other end of the cutter handle, a pull claw is attached to the outer wall of the blind rivet, and the outer wall of the pull claw is hinged to the main shaft.

Preferably, the outer wall of the right-angle plate is provided with a fixing component;

the fixing component comprises a cylinder, an inserted link, a baffle, an elastic piece and a sealing cover;

the outer wall and the right-angle plate looks rigid coupling of drum, the inside cover of drum is equipped with the inserted bar, the outer wall of inserted bar runs through the drum and laminates mutually with the ring, the surface rigid coupling of inserted bar has the separation blade, the outer wall of inserted bar has cup jointed the elastic component, the one end and the separation blade of elastic component laminate mutually, the other end laminating of elastic component has the closing cap, the outer wall and the drum screw thread of closing cap link to each other.

Preferably, a wear-resistant component is arranged in the main shaft;

the wear-resistant component comprises an inner cylinder, a through hole plate and a bolt;

the outer wall and the main shaft of inner tube are laminated mutually, the inner chamber and the handle of a knife of inner tube are laminated mutually, the one end intercommunication that the main shaft was kept away from to the inner tube has the through-hole board, the bolt has been cup jointed to the inside of through-hole board, the outer wall of bolt runs through-hole board and main shaft threaded connection.

Preferably, the outer wall of the main shaft is fixedly connected with an annular plate, and a mounting hole is machined in the surface of the annular plate.

The utility model provides a high accuracy numerical control longmen machining center main shaft structure. The method has the following beneficial effects: according to the high-precision numerical control gantry machining center spindle structure, the clamping ring is arranged on the outer wall of the spindle through the matching use of the clamping ring, the connecting piece, the connecting plate, the right-angle plate and the circular ring, the clamping ring is fixed in position through the connecting piece, the right-angle plate is rotated on the outer wall of the connecting plate and clamped in the groove of the tool shank, when the rivet is separated from the pulling claw, the tool shank is clamped by the right-angle plate, the tool shank is prevented from directly falling off, and the safety is improved while the tool is prevented from being damaged;

through the cooperation use of inner tube, through-hole board and bolt etc. during the inner tube that will have the through-hole board inserts the main shaft, uses the bolt to run through the through-hole of through-hole board, links together through-hole board and main shaft, runs through the inner tube with the handle of a knife and installs in the main shaft after that, for dismantling the connection between inner tube and the main shaft, can change the inner tube, the life of extension main shaft.

Drawings

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

FIG. 2 is a cross-sectional view of the spindle of FIG. 1;

FIG. 3 is a schematic view of the connection structure of the cylinder, the inserted rod and the ring in FIG. 2;

fig. 4 is a schematic view of the connection structure of the inner cylinder, the through hole plate and the plug pin in fig. 1.

In the figure: 1. the tool comprises a main shaft, 2, a tool shank, 3, an anti-falling assembly, 301, a clamping ring, 302, a connecting piece, 303, a connecting plate, 304, a right-angle plate, 305, a circular ring, 4, a tool, 5, a rivet, 6, a pulling claw, 7, a fixing assembly, 701, a cylinder, 702, an inserting rod, 703, a blocking sheet, 704, an elastic piece, 705, a sealing cover, 8, a wear-resisting assembly, 801, an inner cylinder, 802, a through hole plate, 803, a bolt, 9, a circular plate, 10 and a mounting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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. 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.

The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in this application.

The first embodiment is as follows:

as can be known from fig. 1 and 2, a high-precision numerical control gantry machining center spindle structure comprises a spindle 1 and a tool holder 2, the tool holder 2 is installed inside the spindle 1, an anti-drop assembly 3 is installed on the outer wall of the spindle 1, the anti-drop assembly 3 comprises a snap ring 301, a connecting piece 302, a connecting plate 303, a right-angle plate 304 and a circular ring 305, the snap ring 301 is sleeved on the outer wall of the spindle 1, the connecting piece 302 is connected with the inner thread of the snap ring 301, the outer wall of the connecting piece 302 penetrates through the snap ring 301 to be connected with the spindle 1 through the screw thread, the connecting plate 303 is fixedly connected to the outer wall of the snap ring 301, the right-angle plate 304 is hinged to one end, away from the snap ring 301, the circular ring 305 is fixedly connected to the outer wall of the connecting plate 303, a cutter 4 is installed at one end of the tool holder 2, a pull nail 5 is fixedly connected to the other end of the tool holder 2, a pull claw 6 is attached to the outer wall of the pull claw 5, and the outer wall of the pull claw 6 is hinged to the spindle 1;

in the specific implementation process, it is worth particularly pointing out that the main shaft 1 is a main shaft for a gantry machining center, the tool shank 2 is installed inside the main shaft 1, the snap ring 301 is located on the outer wall of the main shaft 1, the connecting piece 302 is a screw, the right-angle plate 304 rotates in the connecting plate 303 through a pin shaft, and the connection mode of the blind rivet 5 and the blind claw 6 between the tool shank 2 and the main shaft 1 is the prior art, and those skilled in the art know this, so that description is not given, and the tool 4 is a turning tool for machining;

furthermore, a welding mode can be used between the clamping ring 301 and the main shaft 1, but the clamping ring and the main shaft are inconvenient to disassemble, the connecting piece 302 can be a bolt, a screw or other mechanical connecting components, the shape of the right-angle plate 304 is not particularly limited, and the right-angle plate can be clamped in a groove of the tool holder 2 under the condition that the rotation of the tool holder 2 is not influenced;

specifically, install handle of a knife 2 in the inside of main shaft 1, the blind rivet 5 is connected with gripper 6 and carries out the rigidity to handle of a knife 2, installs snap ring 301 at the outer wall of main shaft 1 afterwards, uses connecting piece 302 to carry out the rigidity to snap ring 301, rotates right-angle plate 304 at the outer wall of even board 303, and right-angle plate 304 card is in the recess of handle of a knife 2, and when blind rivet 5 and gripper 6 separated, right-angle plate 304 blocked handle of a knife 2, prevents that handle of a knife 2 from directly dropping.

Example two:

as can be seen from fig. 1 and 3, the fixing assembly 7 is mounted on the outer wall of the right-angle plate 304, the fixing assembly 7 includes a cylinder 701, an insertion rod 702, a blocking piece 703, an elastic member 704 and a sealing cover 705, the outer wall of the cylinder 701 is fixedly connected to the right-angle plate 304, the insertion rod 702 is sleeved inside the cylinder 701, the outer wall of the insertion rod 702 penetrates through the cylinder 701 to be attached to the ring 305, the blocking piece 703 is fixedly connected to the surface of the insertion rod 702, the elastic member 704 is sleeved on the outer wall of the insertion rod 702, one end of the elastic member 704 is attached to the blocking piece 703, the sealing cover 705 is attached to the other end of the elastic member 704, and the outer wall of the sealing cover 705 is in threaded connection with the cylinder 701;

in the specific implementation process, it is worth particularly pointing out that a cavity is formed inside the cylinder 701, a clamping block is formed at one end of the insertion rod 702 away from the circular ring 305 to pull the insertion rod 702, the blocking piece 703 is used to limit the position of the elastic element 704, the elastic element 704 is a compression spring, and the sealing cover 705 is screwed into the cylinder 701;

specifically, when the right-angle plate 304 is separated from the groove of the tool shank 2, the inserting rod 702 is pulled to move in the cylinder 701, the inserting rod 702 drives the blocking piece 703 to move, the blocking piece 703 compresses the elastic piece 704 in the cylinder 701, meanwhile, the inserting rod 702 is separated from the circular ring 305, and then the right-angle plate 304 can be rotated to be separated from the tool shank 2, so that the tool shank 2 is detached from the main shaft 1.

Example three:

as can be seen from fig. 1 and 4, a wear-resistant assembly 8 is mounted inside a main shaft 1, the wear-resistant assembly 8 includes an inner cylinder 801, a through hole plate 802 and a plug 803, an outer wall of the inner cylinder 801 is attached to the main shaft 1, an inner cavity of the inner cylinder 801 is attached to a tool holder 2, one end of the inner cylinder 801, which is far away from the main shaft 1, is communicated with the through hole plate 802, the plug 803 is sleeved inside the through hole plate 802, an outer wall of the plug 803 penetrates through the through hole plate 802 to be in threaded connection with the main shaft 1, an annular plate 9 is fixedly connected to the outer wall of the main shaft 1, and a mounting hole 10 is processed on the surface of the annular plate 9;

in the specific implementation process, it is worth particularly pointing out that the inner cylinder 801 is made of metal with a smooth surface, four threaded holes are machined in the through hole plate 802, threads are machined on the outer wall of the plug 803, mounting holes 10 are periodically machined in the annular plate 9, and the bolts penetrate through the mounting holes 10 to mount the spindle 1 on a machining center;

specifically, the spindle 1 is connected to the machining center by using bolts through the mounting holes 10 in the annular plate 9, then the inner cylinder 801 with the through-hole plate 802 is inserted into the spindle 1, the through-hole plate 802 is connected to the spindle 1 by using the bolts 803 through the through-holes of the through-hole plate 802, and then the tool shank 2 is mounted in the spindle 1 through the inner cylinder 801.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high accuracy numerical control longmen machining center main shaft structure, includes main shaft (1) and handle of a knife (2), the internally mounted of main shaft (1) has handle of a knife (2), its characterized in that: the outer wall of the main shaft (1) is provided with an anti-falling assembly (3);

anti-drop subassembly (3) include snap ring (301), connecting piece (302), even board (303), right angle board (304) and ring (305):

the outer wall cover of main shaft (1) is equipped with snap ring (301), the internal thread connection of snap ring (301) has connecting piece (302), the outer wall of connecting piece (302) runs through snap ring (301) and links to each other with main shaft (1) screw thread, the outer wall rigid coupling of snap ring (301) has even board (303), the one end of keeping away from snap ring (301) even board (303) articulates there is right angle board (304), the outer wall rigid coupling of even board (303) has ring (305).

2. The spindle structure of the high-precision numerical control gantry machining center according to claim 1, characterized in that: cutter (4) are installed to the one end of handle of a knife (2), the other end rigid coupling of handle of a knife (2) has blind rivet (5), the outer wall laminating of blind rivet (5) has draw claw (6), the outer wall that draws claw (6) links to each other with main shaft (1) are articulated.

3. The spindle structure of the high-precision numerical control gantry machining center according to claim 1, characterized in that: a fixing component (7) is arranged on the outer wall of the right-angle plate (304);

the fixing component (7) comprises a cylinder (701), an insert rod (702), a blocking piece (703), an elastic piece (704) and a sealing cover (705);

the outer wall and the right angle board (304) looks rigid coupling of drum (701), the inside cover of drum (701) is equipped with inserted bar (702), the outer wall of inserted bar (702) runs through drum (701) and laminates mutually with ring (305), the surface rigid coupling of inserted bar (702) has separation blade (703), the outer wall of inserted bar (702) is cup jointed elastic component (704), the one end and the separation blade (703) of elastic component (704) are laminated mutually, the other end laminating of elastic component (704) has closing cap (705), the outer wall and drum (701) the screw thread of closing cap (705) link to each other.

4. The spindle structure of the high-precision numerical control gantry machining center according to claim 1, characterized in that: a wear-resistant component (8) is arranged in the main shaft (1);

the wear-resistant assembly (8) comprises an inner cylinder (801), a through hole plate (802) and a plug pin (803);

the outer wall of inner tube (801) and main shaft (1) laminate mutually, the inner chamber and the laminating of handle of a knife (2) of inner tube (801), the one end intercommunication that main shaft (1) were kept away from in inner tube (801) has through-hole board (802), bolt (803) have been cup jointed to the inside of through-hole board (802), the outer wall of bolt (803) runs through-hole board (802) and main shaft (1) threaded connection.

5. The spindle structure of the high-precision numerical control gantry machining center according to claim 1, characterized in that: the outer wall rigid coupling of main shaft (1) has annular plate (9), the surface finish of annular plate (9) has mounting hole (10).