CN218051520U

CN218051520U - Automatic tool changing mechanism for numerical control machine tool

Info

Publication number: CN218051520U
Application number: CN202222345082.6U
Authority: CN
Inventors: 李泽强
Original assignee: Wuhan Ideal New Century Industry And Trade Development Co ltd
Current assignee: Guangzhou Yipuxing Intelligent Technology Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2022-12-16
Anticipated expiration: 2032-09-02

Abstract

The utility model discloses an automatic tool changing mechanism for a numerical control machine, which belongs to the technical field of tool changing of the numerical control machine and aims at solving the problem that the elastic clamping seat is directly and fixedly connected with the outer peripheral surface of a fixed disc, so that the elasticity of the elastic clamping seat is weakened after long-term use, and the tool bit cannot be stably clamped and fixed and is difficult to replace; the utility model discloses its elasticity weakens can't the elasticity cassette that can update after the solid stability of tool bit card after elasticity cassette is used for a long time to the device's life has been improved.

Description

Automatic tool changing mechanism for numerical control machine tool

Technical Field

The utility model belongs to the technical field of the digit control machine tool changing, concretely relates to be used for digit control machine tool to use automatic tool changing mechanism.

Background

The numerical control machine tool is a numerical control machine tool for short, and is an automatic machine tool provided with a program control system, a cutter of the numerical control machine tool needs to be replaced regularly in the daily use process, and automatic cutter changing operation can be realized through a corresponding automatic cutter changing mechanism.

The prior art discloses a be used for digit control machine tool with automatic tool changing mechanism for CN216991003U, it drives the fixed disk on top to rotate through controlling driving motor, thereby rotate the inside tool bit that needs to be changed of elastic holder to the left side position can, at this moment control the blade replacement head of installation component bottom through electronic guide rail downwards again, until the inside tool bit card of elastic holder blade replacement head inside can, in addition later stage can set up driving motor, for example, rotate 15 degrees angle at every turn, so that can accurately select it when later stage chooses the tool bit, so as to analogize and change the tool bit can, this kind of tool bit replacement mode is comparatively convenient and can not delay the work efficiency of lathe, however in the in-process of the in-service use, there is the shortcoming, because the elastic holder directly links firmly with the outer peripheral face of fixed disk directly, thereby it weakens to be difficult to change it after the elastic holder uses for a long time can's card is stabilized with the tool bit card, thereby influence the tool changing flow of device, be unfavorable for use.

Therefore, an automatic tool changing mechanism for a numerical control machine tool is needed, and the problem that the elastic clamping seat is directly and fixedly connected with the peripheral surface of the fixed disc in the prior art, so that the elasticity of the elastic clamping seat is weakened after long-term use, and the tool bit cannot be stably clamped and fixed and then is difficult to replace is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for digit control machine tool to use automatic tool changing mechanism to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an automatic tool changing mechanism for digit control machine tool, includes the work board, the both sides sliding connection at work board top has two supporting seats that are the symmetric distribution, two the top of supporting seat is fixed with the back timber, the one end sliding connection of back timber has electronic guide rail, the one end sliding connection of electronic guide rail has the installed part, the fixed surface of installed part bottom has the blade to change the head, one side of work board is fixed with the connecting seat that is L shape setting, the bottom of connecting seat is fixed with the motor, the output of motor is fixed with the connecting axle, the top of connecting axle passes the connecting seat and extends to the position department at connecting seat top, the fixed cover in top of connecting axle outer peripheral face is equipped with the fixed disk, the outer peripheral face of fixed disk evenly is fixed with a plurality of fixed plates, two adjacent positions the intermediate position department of fixed plate is provided with the connecting block, the fixed surface that fixed disk position department was kept away from to the connecting block has the elasticity cassette, the opening has been seted up on the surface of fixed plate, the inside sliding insertion of opening is equipped with the connecting strip, the surface of connecting block is close to the adjacent position connecting block is fixed mutually, the top of connecting block has seted up the slot, the inside of inserting of slot is equipped with the inserted bar.

In the scheme, a plurality of threaded holes are uniformly formed in the top of the fixed disk, threaded rods are connected to the internal threads of the threaded holes, the tops of the threaded rods penetrate through the threaded holes in the adjacent positions and extend out of the fixed disk, the sleeve plate is sleeved on the outer peripheral surface of each threaded rod in a sliding mode, and the tops of the inserted rods penetrate through the fixed disk in the adjacent positions and are fixed to the surface of the bottom of the sleeve plate.

It is further worth explaining that the top of the threaded rod is rotatably connected with a rotating block, and a spring is sleeved on the outer peripheral surface of the threaded rod, which is located at the top of the sleeve plate at the adjacent position.

It should be further noted that one end of the spring is fixed to the surface of the top of the sleeve plate at the adjacent position, and the other end of the spring is fixed to the surface of the bottom of the rotating block at the adjacent position.

In a preferred embodiment, a limiting rod is inserted through the surface of the inner part of the opening of the connecting bar at the adjacent position, and the surface of the limiting rod at the position close to the fixed disc is fixed with the inner surface of the opening.

In a preferred embodiment, a pull ring is fixed on the surface of the top of the sleeve plate, and a rubber pad is glued on the inner surface of the pull ring.

Compared with the prior art, the utility model provides a pair of be used for digit control machine tool to use automatic tool changing mechanism includes following beneficial effect at least:

(1) Through inserting the connecting strip with the connecting block both sides and establishing into the open-ended inside in adjacent position, internal surface and the outer peripheral face of fixed disk until the connecting block closely laminate, and extend the inserted bar to the inside of adjacent position slot, thereby make elasticity cassette can fix and fixed disk external diameter position department, connected mode can make the user change and dismantle the elasticity cassette from this, thereby its elasticity weakens and can't change the elasticity cassette that the card is firm after stable with the tool bit card after the elasticity cassette is used for a long time, thereby the device's life has been improved, thereby the device's practicality has been improved.

(2) Can play the limiting action to the connecting strip through the gag lever post to can play the limiting action to the elasticity cassette, thereby the condition that appears rocking takes place when the external diameter position department of elasticity cassette fixed and fixed disk, thereby be favorable to tool changing work, under screw hole and threaded rod helicitic texture's mating reaction, can dismantle the threaded rod, thereby can change it when spring force weakens, thereby stability when having ensured the connecting block is fixed, thereby further improved the device's practicality.

Drawings

Fig. 1 is a schematic perspective view of the overall structure of the present invention;

fig. 2 is a schematic perspective view of a partial structure of the present invention;

fig. 3 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention;

fig. 4 is a schematic sectional view of a partial structure of the present invention.

In the figure: 1. a working machine table; 2. a supporting base; 3. a top beam; 4. an electric guide rail; 5. a mounting member; 6. a blade changing head; 7. a connecting seat; 8. a motor; 9. a connecting shaft; 10. fixing the disc; 11. connecting blocks; 12. an elastic card holder; 13. a fixing plate; 14. a threaded hole; 15. a threaded rod; 16. sheathing; 17. a spring; 18. a pull ring; 19. a rod is inserted; 20. a slot; 21. rotating the block; 22. an opening; 23. a connecting strip; 24. a limiting rod.

Detailed Description

The present invention will be further described with reference to the following examples.

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings of the embodiments of the present invention to clearly and completely describe the technical solution of the embodiments of the present invention, and obviously, the described embodiments are a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative labor are within the scope of the protection of the present invention based on the described embodiments of the present invention.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-4, the present invention provides an automatic tool changing mechanism for a numerical control machine, including a working machine 1, two symmetrically distributed supporting seats 2 are slidably connected to both sides of the top of the working machine 1, a top beam 3 is fixed to the top of the two supporting seats 2, an electric guide rail 4 is slidably connected to one end of the top beam 3, an installation member 5 is slidably connected to one end of the electric guide rail 4, a blade replacing head 6 is fixed to the surface of the bottom of the installation member 5, a connecting seat 7 arranged in an L shape is fixed to one side of the working machine 1, a motor 8 is fixed to the bottom of the connecting seat 7, a connecting shaft 9 is fixed to the output end of the motor 8, the top of the connecting shaft 9 passes through the connecting seat 7 and extends to the position of the top of the connecting seat 7, a fixed disk 10 is fixedly sleeved on the top of the outer circumferential surface of the connecting shaft 9, a plurality of fixed plates 13 are uniformly fixed to the outer circumferential surface of the fixed disk 10, and a connecting block 11 is arranged at the middle position of the two fixed plates 13, an elastic clamping seat 12 is fixed on the surface of the connecting block 11 far away from the fixed disk 10, an opening 22 is formed on the surface of the fixed disk 13, a connecting strip 23 is inserted into the opening 22 in a sliding manner, the surface of the connecting strip 23 close to the position of the connecting block 11 at the adjacent position is fixed with the surface of the connecting block 11, a slot 20 is formed in the top of the connecting block 11, and an insertion rod 19 is inserted into the slot 20, as known from the prior art publication No. CN216991003U, wherein the connecting block 11 has a function of clamping a cutter head, and the specific cutter changing process is a well-known technology in the prior art, the scheme is not introduced too much, by inserting the connecting strips 23 at two sides of the connecting block 11 into the openings 22 at the adjacent position until the inner surface of the connecting block 11 is tightly attached to the outer peripheral surface of the fixed disk 10, and extending the insertion rod 19 into the slots 20 at the adjacent position, therefore, the elastic clamping seat 12 can be fixed at the outer diameter position of the fixed disc 10, and the fixing work of the elastic clamping seat 12 is realized.

As further shown in fig. 2 and 3, it is worth specifically describing that a plurality of threaded holes 14 are uniformly formed in the top of the fixed disk 10, a threaded rod 15 is connected to an internal thread of the threaded hole 14, the top of the threaded rod 15 penetrates through the threaded hole 14 at an adjacent position and extends out of the fixed disk 10, a sleeve plate 16 is slidably sleeved on the outer circumferential surface of the threaded rod 15, the top of the inserted link 19 penetrates through the fixed disk 10 at the adjacent position and is fixed to the surface of the bottom of the sleeve plate 16, the threaded rod 15 can be fixed to the top of the fixed disk 10 and detached from the top of the fixed disk 10 through the connection relationship between the threaded hole 14 and the threaded rod 15, and after the threaded rod 15 is fixed to the top of the fixed disk 10, the angle of the sleeve plate 16 can be adjusted through the connection relationship between the sleeve plate 16 and the threaded rod 15, so that the inserted link 19 can be driven to move to the position at the top of the fixed disk 10 at the adjacent position.

As further shown in fig. 2 and fig. 3, it is worth concretely explaining that the top of the threaded rod 15 is rotatably connected with a rotating block 21, the outer peripheral surface of the threaded rod 15 at the top of the sleeve plate 16 at the adjacent position is sleeved with a spring 17, one end of the spring 17 is fixed to the surface of the top of the sleeve plate 16 at the adjacent position, the other end of the spring 17 is fixed to the surface of the bottom of the rotating block 21 at the adjacent position, the sleeve plate 16 is moved upwards to deform the spring 17, and the sleeve plate 16 has a downward moving acting force under the resilience force of the spring 17, and due to the connection relationship between the rotating block 21 and the threaded rod 15 and the spring 17, when the sleeve plate 16 adjusts the angle, the rotating block 21 can move along with the threaded rod 15 but the threaded rod 15 remains unchanged.

Further as shown in fig. 4, it is worth specifically describing that a limiting rod 24 is inserted through a surface of an inner portion of the opening 22 of the connecting bar 23 at an adjacent position, a surface of the limiting rod 24 at a position close to the fixed disk 10 is fixed to an inner surface of the opening 22, and the limiting rod 24 can limit the connecting bar 23, so that the elastic clamping seat 12 can be limited, and the elastic clamping seat 12 is fixed to an outer diameter position of the fixed disk 10 and then shakes.

The scheme has the following working processes: in the actual use process, when a user needs to detach the elastic clamping seat 12, the sleeve plate 16 is moved upwards to enable the sleeve plate 16 to move in the vertical direction so as to drive the insertion rod 19 to move upwards in the vertical direction to be separated from the inside of the adjacent position slot 20, so as to enable the connecting block 11 to be pushed in the direction away from the fixed disk 10 until the connecting strip 23 is separated from the inside of the adjacent position opening 22, so that the connecting block 11 and the elastic clamping seat 12 can be detached from the outer diameter of the fixed disk 10, when the user needs to install the elastic clamping seat 12, the sleeve plate 16 is moved upwards in the vertical direction to be in contact with the adjacent position spring 17 by inserting the connecting strips 23 on two sides of the connecting block 11 into the inside of the adjacent position opening 22 and applying action to the connecting block 11 so as to move towards the direction close to the fixed disk 10 until the surface of the connecting block 11 is in contact with the surface of the insertion rod 19, so as to enable the spring 17 to deform, so as to apply downward acting force to the sleeve plate 16 under the resilience of the surface of the spring 17, when the surface of the insertion rod 19 is no longer in contact with the adjacent position of the adjacent position spring 17, so as to enable the elastic clamping seat 11 to be tightly push the inner surface of the fixing disk 11, thereby enabling the fixing rod 11 to enable the fixing rod to be tightly push the fixing rod 17 to be tightly to push the fixing rod 17.

According to the working process, the following steps are known: the connecting strips 23 on two sides of the connecting block 11 are inserted into the adjacent position openings 22 until the inner surface of the connecting block 11 is tightly attached to the outer peripheral surface of the fixed disk 10, and the insertion rod 19 extends into the adjacent position slot 20, so that the elastic clamping seat 12 can be fixed to the outer diameter position of the fixed disk 10, and the fixing work of the elastic clamping seat 12 is realized, therefore, the connection mode can ensure that a user can replace and disassemble the elastic clamping seat 12, the elasticity of the elastic clamping seat 12 is weakened after long-term use, and the elastic clamping seat 12 cannot be replaced after the clamping and the fixing of a tool bit are stabilized, so that the service life of the device is prolonged, the limiting rod 24 can limit the connecting strips 23, the elastic clamping seat 12 can be limited, the tool changing situation can occur when the elastic clamping seat 12 is fixed to the outer diameter position of the fixed disk 10, the tool changing work is facilitated, the threaded rod 15 can be disassembled under the matching effect of the threaded structures of the threaded holes 14 and the threaded rod 15, and the spring 17 can be replaced when the elasticity is weakened, and the stability of the connecting block 11 is ensured.

As further shown in fig. 3, it is worth specifying that a pull ring 18 is fixed on the surface of the top of the sleeve plate 16, a rubber pad is glued on the inner surface of the pull ring 18, the user can pull the sleeve plate 16 upwards by passing fingers through the central hole of the pull ring 18, and the interference force between the fingers of the user and the pull ring 18 is reduced by the rubber pad.

To sum up: the connecting strips 23 on two sides of the connecting block 11 are inserted into the adjacent position openings 22 until the inner surface of the connecting block 11 is tightly attached to the outer peripheral surface of the fixed disk 10, the inserting rod 19 extends into the adjacent position slot 20, and therefore the elastic clamping seat 12 can be fixed to the outer diameter position of the fixed disk 10, fixing work of the elastic clamping seat 12 is achieved, and therefore the elastic clamping seat 12 can be replaced and detached by a user in a connection mode, after the elastic clamping seat 12 is used for a long time, elasticity of the elastic clamping seat 12 is weakened, and the elastic clamping seat 12 cannot be replaced after clamping and fixing of a tool bit are stable, the service life of the device is prolonged, the limiting rod 24 can limit the connecting strips 23, the elastic clamping seat 12 can be limited, tool changing can occur when the elastic clamping seat 12 is fixed to the outer diameter position of the fixed disk 10, tool changing work is facilitated, the threaded rod 15 can be detached under the matching effect of the threaded structures of the threaded holes 14 and the threaded rod 15, and the spring 17 can be replaced when the elasticity of the spring is weakened, and stability of the connecting block 11 in fixing is guaranteed.

The motor 8 can be purchased in the market, and the motor 8 is provided with a power supply, which belongs to the mature technology in the field and is fully disclosed, so repeated description in the specification is omitted.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art, and the use of the term "including" or "comprising" in the present application shall mean that the element or item preceding the term covers the element or item listed after the term and its equivalents, but does not exclude other elements or items, and the term "connected" or "connected" is not limited to physical or mechanical connections, and may include electrical connections, whether direct or indirect, "upper", "lower", "left", "right", etc. merely indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may be changed accordingly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 an automatic tool changing mechanism for digit control machine tool, includes work board (1), its characterized in that, the both sides sliding connection at work board (1) top has two supporting seats (2) that are the symmetric distribution, two the top of supporting seat (2) is fixed with back timber (3), the one end sliding connection of back timber (3) has electronic guide rail (4), the one end sliding connection of electronic guide rail (4) has installed part (5), the fixed surface of installed part (5) bottom has blade to change head (6), one side of work board (1) is fixed with connecting seat (7) that is the L shape setting, the bottom of connecting seat (7) is fixed with motor (8), the output of motor (8) is fixed with connecting axle (9), the top of connecting axle (9) is passed connecting seat (7) and is extended to the position department at connecting seat (7) top, the top fixed cover of connecting axle (9) outer peripheral face is equipped with fixed disk (10), the outer peripheral face of fixed disk (10) evenly is fixed with a plurality of fixed plates (13), two adjacent positions the intermediate position department of fixed plate (13) is provided with connecting block (11), the fixed surface department of opening of cassette (12) is kept away from to fixed disk (10) surface department of fixed disk (12), the inside slip of opening (22) is inserted and is equipped with connecting strip (23), the surface that connecting strip (23) are close to adjacent position connecting block (11) position department is fixed mutually with the surface of connecting block (11), slot (20) have been seted up at the top of connecting block (11), inserted and be equipped with inserted bar (19) in the inside of slot (20).

2. The automatic tool changing mechanism for the numerical control machine tool according to claim 1, wherein: a plurality of screw holes (14) have evenly been seted up at the top of fixed disk (10), the internal thread connection of screw hole (14) has threaded rod (15), adjacent position screw hole (14) are passed and the outside of fixed disk (10) is extended to the top of threaded rod (15), the outer peripheral face slip cover of threaded rod (15) is equipped with lagging (16), the top of inserted bar (19) is passed adjacent position fixed disk (10) and is fixed mutually with the surface of lagging (16) bottom.

3. The automatic tool changing mechanism for the numerical control machine tool according to claim 2, wherein: the top of threaded rod (15) is rotated and is connected with turning block (21), the outer peripheral face cover that threaded rod (15) is located adjacent position lagging (16) top position department is equipped with spring (17).

4. The automatic tool changing mechanism for the numerical control machine tool according to claim 3, wherein: one end of the spring (17) is fixed with the surface of the top of the sleeve plate (16) at the adjacent position, and the other end of the spring (17) is fixed with the surface of the bottom of the rotating block (21) at the adjacent position.

5. The automatic tool changing mechanism for the numerical control machine tool according to claim 1, wherein: the surface of the connecting strip (23) positioned in the inner part of the opening (22) at the adjacent position is inserted with a limiting rod (24) in a penetrating way, and the surface of the limiting rod (24) close to the fixed disk (10) is fixed with the inner surface of the opening (22).

6. The automatic tool changing mechanism for the numerical control machine tool according to claim 2, wherein: a pull ring (18) is fixed on the surface of the top of the sleeve plate (16), and a rubber pad is glued on the inner surface of the pull ring (18).