CN216097846U

CN216097846U - Tool magazine spindle anti-collision protection mechanism for vertical machining center

Info

Publication number: CN216097846U
Application number: CN202122013402.3U
Authority: CN
Inventors: 杨国峰; 冯小梅
Original assignee: Dalian Fengwei Machining Co ltd
Current assignee: Dalian Fengwei Machining Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-03-22
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a tool magazine spindle anti-collision protection mechanism for a vertical machining center, and relates to the technical field of vertical machining centers. The utility model relates to a tool magazine spindle anti-collision protection mechanism for a vertical machining center.

Description

Tool magazine spindle anti-collision protection mechanism for vertical machining center

Technical Field

The utility model relates to the technical field of vertical machining centers, in particular to a tool magazine spindle anti-collision protection mechanism for a vertical machining center.

Background

The vertical machining center is a machining center with a main shaft in a vertical state, is mainly a fixed upright column in structural form, is rectangular, has no indexing rotation function, is suitable for machining disc, sleeve and plate parts, generally has three linear motion coordinate axes, can be provided with a rotary table rotating along a horizontal axis, and is used for machining spiral line parts. In the traditional mode, whether the tool magazine rotates in place is judged by a proximity switch embedded in the tool magazine; whether the shape of the knife sleeve is normal or not is ensured by primary processing. However, with the continuous application of machine tools in actual production, the tool magazine is in a humid oil-gas environment for a long time, and the tool holder and the tool are clamped by the tool sleeve for a long time to bear load. Therefore, dirt may be attached near the proximity switch to cause a judgment error, and a collision between the spindle and the tool holder is caused in a link of 'spindle hole air intake and descending tool taking' in the automatic tool changing action, namely, a tool collision phenomenon is generated.

The existing solutions for the tool bumping phenomenon in the market are all to reduce the occurrence of the tool bumping phenomenon by enhancing the positioning effect of the main shaft, but only reduce the occurrence frequency of the tool bumping phenomenon, and cannot prevent the condition that the tool magazine impacts the main shaft when tool changing is performed, so that the tool magazine or the main shaft is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a tool magazine spindle anti-collision protection mechanism for a vertical machining center, which can effectively solve the problem that the tool magazine impacts a spindle in the background technology, so that the tool magazine or the spindle is damaged.

In order to achieve the purpose, the utility model adopts the technical scheme that: a tool magazine spindle anti-collision protection mechanism for a vertical machining center comprises a spindle, wherein four groups of thread grooves distributed in a rectangular shape are formed in the top of the spindle, a touch switch is fixedly connected to the bottom of each thread groove, a fixing and locking mechanism is arranged on one side of each thread groove, an anti-collision sleeve is arranged on the outer surface of the spindle, a mounting hole is formed in the top of each anti-collision sleeve, and a fixing bolt is connected to the inner portion of each mounting hole in a threaded manner;

the locking mechanism comprises an electromagnet, a compression spring and a locking block, each group of locking mechanism is formed by correspondingly arranging a set of locking groove on one side of each thread groove, the electromagnet is embedded into the bottom of each locking groove, the groove bottom of each locking groove is fixedly connected with one end of the compression spring, the other end of the compression spring is fixedly connected with one end of each locking block, a limiting hole is formed in the bottom of a nut of each fixing bolt, and the outer surface size of each locking block is matched with the inner diameter size of the corresponding limiting hole.

Preferably, the outer side wall of the main shaft is provided with a mounting groove, a control switch is fixedly mounted at the bottom of the mounting groove, and the control switch is electrically connected with the electromagnet.

Preferably, the locking piece is a cylinder and is made of ferromagnetic material, and the size of the outer surface of the locking piece is matched with the size of the inner diameter of the locking groove.

Preferably, the anticollision cover includes a cylinder sleeve and the rectangular block of fixed connection at the cylinder sleeve surface, the anticollision cover is the rubber material, the telescopic internal diameter size of cylinder matches with the surface size phase-match of main shaft.

Preferably, the number of the mounting holes is four, the mounting holes are distributed on the tops of the rectangular blocks of the anti-collision sleeve in a rectangular mode, and the cross section size of each mounting hole is matched with that of each thread groove.

Preferably, the number of the fixing bolts is four, the fixing bolts correspond to the mounting holes one by one, and the bottom of the nut of each fixing bolt is provided with one group of the limiting holes.

Preferably, one side of each group of mounting holes is provided with a group of through holes, and the cross section size of each through hole is matched with that of each locking groove.

Compared with the prior art, the utility model has the following beneficial effects:

according to the tool magazine anti-collision device, the anti-collision sleeve is sleeved on the outer surface of the main shaft, the mounting hole of the anti-collision sleeve is over against the threaded groove of the main shaft, the fixing bolt is sequentially in threaded connection with the mounting hole and the threaded groove, the anti-collision sleeve is fixed on the outer surface of the main shaft, the main shaft is prevented from being collided by the tool magazine, when the nut of the fixing bolt is in contact with the surface of the main shaft and the limiting hole is over against the fixing locking groove, the screw end of the fixing bolt is in contact with the touch switch, the touch switch closes the electromagnet, the compression spring drives the fixing locking block to move, the fixing locking block penetrates through the through hole and is inserted into the limiting hole, and the stability between the anti-collision sleeve and the main shaft is further improved.

Drawings

FIG. 1 is a schematic view of an overall structure of a tool magazine spindle anti-collision protection mechanism for a vertical machining center according to the present invention;

FIG. 2 is a schematic structural view of a spindle of a tool magazine spindle anti-collision protection mechanism for a vertical machining center according to the present invention;

FIG. 3 is a schematic structural view of an anti-collision sleeve of the tool magazine spindle anti-collision protection mechanism for the vertical machining center according to the present invention;

FIG. 4 is a schematic view of the inside of a connecting structure of an anti-collision sleeve and a spindle of the tool magazine spindle anti-collision protection mechanism for the vertical machining center of the utility model;

fig. 5 is an enlarged schematic view of the structure a in fig. 4 of the tool magazine spindle anti-collision protection mechanism for the vertical machining center according to the present invention.

In the figure: 1. a main shaft; 2. a thread groove; 3. a touch switch; 4. fixing a locking groove; 5. an electromagnet; 6. a compression spring; 7. fixing a locking block; 8. an anti-collision sleeve; 9. mounting holes; 10. a through hole; 11. fixing the bolt; 12. A limiting hole; 13. and controlling the switch.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the utility model relates to a tool magazine spindle anti-collision protection mechanism for a vertical machining center, which comprises a spindle 1, wherein the top of the spindle 1 is provided with four groups of thread grooves 2 which are distributed in a rectangular shape, the bottom of each thread groove 2 is fixedly connected with a touch switch 3, one side of each thread groove 2 is provided with a fixed locking mechanism, the outer surface of the spindle 1 is provided with an anti-collision sleeve 8, the top of each anti-collision sleeve 8 is provided with a mounting hole 9, and the inner threads of the mounting holes 9 are connected with a fixing bolt 11;

the solid locking mechanism comprises an electromagnet 5, a compression spring 6 and a solid locking block 7, one side of each group of thread groove 2 is correspondingly provided with a group of solid locking grooves 4, the bottom of each solid locking groove 4 is inlaid with the electromagnet 5, the groove bottom of each solid locking groove 4 is fixedly connected with one end of the compression spring 6, the other end of the compression spring 6 is fixedly connected with one end of the solid locking block 7, a limiting hole 12 is formed in the bottom of a nut of a fixing bolt 11, and the outer surface size of the solid locking block 7 is matched with the inner diameter size of the limiting hole 12.

The mounting groove has been seted up to the lateral wall of main shaft 1, and the tank bottom fixed mounting of mounting groove has control switch 13, and

control switch

13 and 5 electric connection of electro-magnet improve control switch 13, start electro-magnet 5.

The solid locking piece 7 is a cylinder and is made of ferromagnetic materials, the outer surface size of the solid locking piece 7 is matched with the inner diameter size of the solid locking groove 4, and when the electromagnet 5 is started, the electromagnet 5 can adsorb the solid locking piece 7 to the inside of the solid locking groove 4.

Anticollision cover 8 includes a cylinder sleeve and the rectangular block of fixed connection at the cylinder sleeve surface, and anticollision cover 8 is the rubber material, and the telescopic internal diameter size of cylinder matches with the surface size phase-match of main shaft 1, through the anticollision cover 8 that sets up, produced harm when reducing tool magazine striking main shaft 1.

The quantity of mounting hole 9 has four groups, and is the rectangle and distributes at the rectangular block top of anticollision cover 8, and the cross sectional dimension of mounting hole 9 and the cross sectional dimension phase-match of thread groove 2, through fixing bolt 11, threaded connection mounting hole 9 and thread groove 2 in proper order to fix anticollision cover 8 at the surface of main shaft 1.

The number of the fixing bolts 11 is four, the fixing bolts correspond to the mounting holes 9 one by one, and the bottom of the nut of each fixing bolt 11 is provided with a set of limiting holes 12.

One side of each group of mounting holes 9 is provided with a group of through holes 10, and the cross section size of the through holes 10 is matched with that of the locking grooves 4.

The working principle of the utility model is as follows: the outer surface of the spindle 1 is sleeved with the anti-collision sleeve 8, the mounting hole 9 of the anti-collision sleeve 8 is opposite to the thread groove 2 of the spindle 1, then the fixing bolt 11 is in threaded connection with the mounting hole 9 and the thread groove 2 in sequence, so that the anti-collision sleeve 8 is fixed on the outer surface of the spindle 1, and the spindle 1 is prevented from being damaged by the tool magazine in a collision mode, when the nut of the fixing bolt 11 is in contact with the surface of the spindle 1 and the limiting hole 12 is opposite to the fixed locking groove 4, the screw end of the fixing bolt 11 is in contact with the touch switch 3 at the moment, so that the touch switch 3 closes the electromagnet 5, the compression spring 6 drives the fixed locking block 7 to move, the fixed locking block 7 penetrates through the through hole 10 and is inserted into the limiting hole 12, the stability between the anti-collision sleeve 8 and the spindle 1 is further improved, when the anti-collision sleeve 8 needs to be detached, the control switch 13 is pressed down, so that the electromagnet 5 is opened by the control switch 13, and then the electromagnet 5 completely adsorbs the locking block 7 into the locking groove 4, so that the fixing bolt 11 is conveniently taken out, and the anti-collision sleeve 8 is conveniently detached.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a tool magazine main shaft anticollision protection machanism for vertical machining center which characterized in that: the anti-collision device comprises a main shaft (1), wherein four groups of thread grooves (2) which are distributed in a rectangular shape are formed in the top of the main shaft (1), a touch switch (3) is fixedly connected to the bottom of each thread groove (2), a fixing and locking mechanism is arranged on one side of each thread groove (2), an anti-collision sleeve (8) is arranged on the outer surface of the main shaft (1), a mounting hole (9) is formed in the top of each anti-collision sleeve (8), and a fixing bolt (11) is connected to the inner thread of each mounting hole (9);

solid locking mechanism includes electro-magnet (5), compression spring (6) and solid locking piece (7), every group one side correspondence of thread groove (2) is provided with a set of solid locked groove (4), the bottom of solid locked groove (4) is inlayed and is had electro-magnet (5), the tank bottom of solid locked groove (4) and the one end fixed connection of compression spring (6), the other end of compression spring (6) and the one end fixed connection of solid locking piece (7), spacing hole (12) have been seted up to the nut bottom of fixing bolt (11), the surface size of solid locking piece (7) and the internal diameter size phase-match of spacing hole (12).

2. The tool magazine spindle anti-collision protection mechanism for the vertical machining center according to claim 1, characterized in that: the outer side wall of the main shaft (1) is provided with a mounting groove, a control switch (13) is fixedly mounted at the bottom of the mounting groove, and the control switch (13) is electrically connected with the electromagnet (5).

3. The tool magazine spindle anti-collision protection mechanism for the vertical machining center according to claim 2, characterized in that: the locking piece (7) is a cylinder and is made of ferromagnetic materials, and the size of the outer surface of the locking piece (7) is matched with the size of the inner diameter of the locking groove (4).

4. The tool magazine spindle anti-collision protection mechanism for the vertical machining center according to claim 3, wherein: anticollision cover (8) include a cylinder sleeve and the rectangular block of fixed connection at the cylinder sleeve surface, anticollision cover (8) are the rubber material, the telescopic internal diameter size of cylinder matches with the surface size phase-match of main shaft (1).

5. The tool magazine spindle anti-collision protection mechanism for the vertical machining center according to claim 4, wherein: the number of the mounting holes (9) is four, the mounting holes are distributed at the tops of the rectangular blocks of the anti-collision sleeves (8) in a rectangular mode, and the cross section size of the mounting holes (9) is matched with that of the thread grooves (2).

6. The tool magazine spindle anti-collision protection mechanism for the vertical machining center according to claim 5, wherein: the quantity of fixing bolt (11) has four groups, and with mounting hole (9) one-to-one, every group the nut bottom of fixing bolt (11) has all seted up one set of spacing hole (12).

7. The tool magazine spindle anti-collision protection mechanism for the vertical machining center according to claim 6, wherein: one side of each group of mounting holes (9) is provided with a group of through holes (10), and the cross section size of the through holes (10) is matched with that of the locking grooves (4).