CN217799427U

CN217799427U - Clamping mechanism of long-shaft thread milling machine

Info

Publication number: CN217799427U
Application number: CN202221881482.2U
Authority: CN
Inventors: 谭习旺; 陈伟灿
Original assignee: Foshan Yunfeng Precision Machinery Co ltd
Current assignee: Foshan Yunfeng Precision Machinery Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-11-15
Anticipated expiration: 2032-07-20

Abstract

The utility model relates to the technical field of machining equipment, and discloses a long-axis thread milling machine clamping mechanism, which comprises a base, wherein the top of the base is provided with a limiting seat; the utility model discloses a surface threaded connection of lead screw has the link, link and spacing seat, the bottom bolt, when starting servo motor, can make the link drive spacing seat and remove, make it can be applicable to not unidimensional length's major axis, and two spacing seats carry out the centre gripping to the major axis both ends, the centre gripping effect is better, stability is stronger when making its major axis centre gripping fixed, reduce clamping part's damage, there is the fixture block through the internally mounted at the screens seat, cooperation screens seat internally mounted's reset spring muscle, when can making the cassette contact major axis, to screens seat internal movement, make the space that the fixture block has a buffering, when preventing the fixture block contact major axis, cause hard loss of pressure, guarantee major axis is the perfection in man-hour.

Description

Clamping mechanism of long-shaft thread milling machine

Technical Field

The utility model relates to a machining equipment technical field specifically is a major axis thread milling machine fixture.

Background

The milling machine mainly refers to a machine tool for processing various surfaces of a workpiece by using a milling cutter, the milling cutter usually mainly moves by rotary motion, the workpiece and the milling cutter move as feed motion, the milling machine can process planes, grooves, various curved surfaces, gears and the like, a clamping mechanism is required to be used when the existing milling machine processes long shaft threads, a certain problem still exists when the existing clamping mechanism is used, clamping components of the existing clamping device are generally fixedly installed and only one clamping component is provided, although the purpose of clamping and fixing a long shaft can be achieved, when the long shaft is processed, the clamping device generally clamps one end of the long shaft, when the end far away from the clamping component is processed, the stability is poor, the stress of the clamping device is improved, the clamping device is greatly damaged in use, and the existing clamping component is generally clamped by rigid extrusion force, the surface of the long shaft is easily subjected to rigid pressing loss, so that the processed long shaft threads have flaws and the quality is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a major axis thread milling machine fixture possesses the good advantage of preventing the pressure loss of stability, has solved the poor stability of current major axis thread milling machine fixture and can't prevent the problem of pressure loss.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a major axis thread milling machine fixture, includes the base, the top of base is provided with spacing seat, and the quantity of spacing seat is two, the inside of base is rotated through the bearing and is connected with the lead screw, the one end of lead screw runs through the outside and the bolt of base has servo motor, the surperficial threaded connection of lead screw has the link, the one end of link and the bottom bolt of spacing seat, the surperficial embedded pneumatic cylinder that has of spacing seat, and the quantity of pneumatic cylinder is three, the output of pneumatic cylinder runs through the inside and the fixed cover of spacing seat and has connect the screens seat, the inside of screens seat is provided with the fixture block, the internally mounted of screens seat has the reset spring muscle.

Preferably, the surface of the connecting frame is bolted with a sliding block, and a sliding groove matched with the sliding block for use is formed in the base.

Preferably, the sliding blocks are installed at the two ends of the reset spring rib, and a sliding groove matched with the sliding blocks for use is formed in the top of each clamping block.

Preferably, both ends of the clamping block are provided with guide blocks, and a guide groove matched with the guide blocks for use is formed in the clamping seat.

Preferably, one side of the clamping seat close to the limiting seat is symmetrically bolted with limiting inserted rods, and the limiting inserted rods are connected with the limiting seat in a sliding manner.

Preferably, a fixing plate is symmetrically clamped on the surface of the servo motor, and one side of the fixing plate is bolted to one end of the base.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model has the advantages that the connecting frame is connected with the surface thread of the lead screw, the connecting frame is bolted with the limiting seats, when the servo motor is started, the connecting frame can drive the limiting seats to move, so that the connecting frame can be suitable for long shafts with different sizes and lengths, and the two limiting seats can clamp the two ends of the long shaft, so that the clamping effect is better, the stability is stronger when the long shaft is clamped and fixed, and the damage of the clamping part is reduced;

the utility model discloses an internally mounted at the screens seat has the fixture block, and cooperation screens seat internally mounted's reset spring muscle when can making the cassette contact major axis, to the inside removal of screens seat, makes the fixture block have the space of a buffering, when preventing that the fixture block from contacting the major axis, causes rigid pressure loss, and the perfectness that the guarantee major axis was processed man-hour.

Drawings

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

FIG. 2 is a partial sectional view of the present invention;

FIG. 3 is a partial sectional view of the present invention;

fig. 4 is a side view and a cross-sectional view of the local structure of the present invention.

In the figure: 1. a base; 2. a limiting seat; 3. a screw rod; 4. a servo motor; 5. a connecting frame; 6. a hydraulic cylinder; 7. a clamping seat; 8. a clamping block; 9. a return spring rib; 10. a slider; 11. a chute; 12. a slider; 13. a sliding groove; 14. a guide block; 15. a guide groove; 16. a limiting inserted rod; 17. and (5) fixing the plate.

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.

Referring to fig. 1, 2, 3 and 4, a long-axis thread milling machine clamping mechanism comprises a base 1, wherein two limiting seats 2 are arranged at the top of the base 1, a screw rod 3 is rotatably connected inside the base 1 through a bearing, one end of the screw rod 3 penetrates through the outside of the base 1 and is bolted with a servo motor 4, a connecting frame 5 is connected with the surface of the screw rod 3 through threads, one end of the connecting frame 5 is bolted with the bottom of the limiting seat 2, a hydraulic cylinder 6 is embedded in the surface of the limiting seat 2, three hydraulic cylinders 6 are arranged, the output end of the hydraulic cylinder 6 penetrates through the inside of the limiting seat 2 and is fixedly sleeved with a clamping seat 7, a clamping block 8 is arranged inside the clamping seat 7, and a return spring rib 9 is arranged inside the clamping seat 7, there is link 5 through the surperficial threaded connection of lead screw 3, link 5 and spacing seat 2, the bottom bolt, when starting servo motor 4, can make link 5 drive spacing seat 2 and remove, make it can be applicable to the major axis of different size length, and two spacing seats 2 carry out the centre gripping to the major axis both ends, the centre gripping effect is better, stability is stronger when making its major axis centre gripping fixed, reduce the damage at centre gripping position, internally mounted through screens seat 7 has fixture block 8, cooperation screens seat 7 internally mounted's reset spring muscle 9, when can making the cassette contact major axis, to screens seat 7 inside removal, make fixture block 8 have the space of a buffering, when preventing fixture block 8 contact major axis, cause rigid pressure to decrease, guarantee the perfectness that major axis adds man-hour.

Further, the surface of link 5 has bolted the slider 10, and the inside of base 1 is seted up with slider 10 cooperation spout 11 that uses, sets up through slider 10 and spout 11, carries on spacingly to link 5.

Further, sliding block 12 is all installed at the both ends of reset spring muscle 9, and sliding tray 13 that uses with sliding block 12 cooperation is seted up at the top of fixture block 8, sets up through sliding block 12 and sliding tray 13, carries on spacingly to reset spring muscle 9.

Further, guide blocks 14 are installed at two ends of the clamping block 8, a guide groove 15 matched with the guide blocks 14 for use is formed in the clamping seat 7, and the clamping block 8 is limited through the guide blocks 14 and the guide groove 15.

Furthermore, a limiting inserted bar 16 is symmetrically bolted to one side of the clamping seat 7, which is close to the limiting seat 2, the limiting inserted bar 16 is connected with the limiting seat 2 in a sliding manner, and the limiting inserted bar 16 is arranged to limit the clamping seat 7.

Furthermore, servo motor 4's surperficial symmetry joint has fixed plate 17, and one side of fixed plate 17 and the one end bolt of base 1 set up through fixed plate 17, carry on spacingly to servo motor 4.

The working principle is as follows: during operation, according to the length of major axis, start servo motor 4, drive lead screw 3 and rotate, under the effect of link 5, drive the spacing seat 2 of 1 top of base and link 5 bolt and carry out position control, make it be applicable to the major axis of different length, with the both ends of major axis centre gripping respectively in the inside of two spacing seats 2, start hydraulic cylinder 6, the output end of hydraulic cylinder 6 drives screens seat 7 and makes to the position of major axis, make when fixture block 8 contacts the major axis surface, under the effect of reset spring muscle 9, fixture block 8 has the dynamics of a buffering, thereby reach and protect the major axis, prevent its pressure loss.

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, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

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 major axis thread milling machine fixture, includes base (1), its characterized in that: the top of base (1) is provided with spacing seat (2), and the quantity of spacing seat (2) is two, the inside of base (1) is rotated through the bearing and is connected with lead screw (3), the one end of lead screw (3) runs through to the outside of base (1) and bolted connection has servo motor (4), the surperficial threaded connection of lead screw (3) has link (5), the one end of link (5) and the bottom bolted connection of spacing seat (2), the surperficial embedded pneumatic cylinder (6) that has of spacing seat (2), and the quantity of pneumatic cylinder (6) is three, the output of pneumatic cylinder (6) runs through to the inside of spacing seat (2) and fixed cover has joint screens seat (7), the inside of screens seat (7) is provided with fixture block (8), the internally mounted of screens seat (7) has reset spring muscle (9).

2. The long-axis thread milling machine clamping mechanism according to claim 1, wherein: the surface of the connecting frame (5) is bolted with a sliding block (10), and a sliding groove (11) matched with the sliding block (10) for use is formed in the base (1).

3. The long axis thread milling machine clamping mechanism according to claim 1, wherein: sliding blocks (12) are installed at two ends of the reset spring ribs (9), and sliding grooves (13) matched with the sliding blocks (12) for use are formed in the tops of the clamping blocks (8).

4. The long-axis thread milling machine clamping mechanism according to claim 1, wherein: guide blocks (14) are installed at two ends of the clamping block (8), and guide grooves (15) matched with the guide blocks (14) for use are formed in the clamping seat (7).

5. The long axis thread milling machine clamping mechanism according to claim 1, wherein: one side of the clamping seat (7) close to the limiting seat (2) is symmetrically bolted with a limiting inserted bar (16), and the limiting inserted bar (16) is connected with the limiting seat (2) in a sliding manner.

6. The long axis thread milling machine clamping mechanism according to claim 1, wherein: the surface of the servo motor (4) is symmetrically clamped with a fixing plate (17), and one side of the fixing plate (17) is bolted with one end of the base (1).