CN111055156A

CN111055156A - Axial multiple anti-collision device and method for high-speed milling machine

Info

Publication number: CN111055156A
Application number: CN201911378114.9A
Authority: CN
Inventors: 陈德辉; 林潍得; 陈志明; 何轸炎; 戴杰裕
Original assignee: Fujian Province Zheng Feng Cnc Technology Co ltd
Current assignee: Fujian Province Zheng Feng Cnc Technology Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-04-24

Abstract

The invention provides an axial multiple anti-collision device and an anti-collision method for a high-speed milling machine, which comprise a main cylinder body, a piston rod, a first piston and a second piston, the anti-collision device comprises an anti-collision block, a spring and a sealing cover component, wherein a partition plate is formed in a main cylinder body to divide the main cylinder body into a first buffer chamber and a second buffer chamber, a guide hole is formed in the partition plate, a piston rod penetrates through the guide hole and is movably arranged in the main cylinder body, a first piston is slidably arranged in the first buffer chamber and is connected to one end of the piston rod, a second piston is slidably arranged in the second buffer chamber and is connected to the other end of the piston rod, the sealing cover component seals a rear port of the second buffer chamber, the second buffer chamber is divided into two independent first and second chambers by the second piston, the spring is arranged between the first piston and the partition plate, and the anti-collision block is arranged on the outer side of the first piston.

Description

Axial multiple anti-collision device and method for high-speed milling machine

Technical Field

The invention relates to milling machine auxiliary equipment, in particular to an axial multiple anti-collision device and an anti-collision method for a high-speed milling machine.

Background

For the field of machine tool machining in the prior art, the machining center has higher and higher requirements on machining efficiency, the axial moving speed of the milling machine becomes an important factor influencing the machining efficiency, and the faster the speed, the larger the generated impact force. More have some quick-witted work centers to require heavy cutting, so the weight of headstock is very heavy, and inertia that produces when speed is accelerated is also big more, and anticollision buffer among the prior art has the spring to do the individual layer anticollision usually, and because the impact force when colliding is great, the effect of individual layer anticollision is just not good, makes horizontal slide striking frame, leads to headstock and cutter to damage, serious influence workman's safety even.

Disclosure of Invention

The invention mainly aims to overcome the defects of the prior art and provide an axial multi-collision-prevention device and a collision-prevention method for a high-speed milling machine, which have the advantages of increasing the collision-prevention effect through multi-layer arrangement and having a simple structure.

The invention adopts the following technical scheme:

the utility model provides a multiple buffer stop of high-speed milling machine axial, including the main cylinder body, the piston rod, first piston, the second piston, the anticollision piece, a spring, the closing cap part, be formed with the division board in the main cylinder body and divide into first surge chamber and second surge chamber with the main cylinder body, the guiding hole has been seted up on the division board, the piston rod passes the movably setting in the main cylinder body of guiding hole, first piston slidable sets up in first surge chamber and connects in piston rod one end, the second piston slidable sets up in the second surge chamber and connects the piston rod other end, the back port of closing cap part sealed second surge chamber, the second piston divides the second surge chamber into two independent first, the second chamber, the spring sets up between first piston and division board, the anticollision piece sets up in the first piston outside.

Further, the cover part comprises a cover plate and a mounting plate, the cover plate seals the rear port of the second buffer chamber, and the mounting plate is arranged on one side of the cover plate and is perpendicular to the cover plate.

Further, the one-way valve is arranged on the outer side of the cover plate.

Further, sealing rings are arranged between the first piston and the inner wall of the first buffer chamber, between the second piston and the inner wall of the second buffer chamber, and between the piston rod and the guide hole.

Furthermore, a piston rod limiting sleeve is arranged between the second piston and the partition plate, and movement of the piston rod is limited so that the first piston cannot be separated from the main cylinder body.

Furthermore, the anti-collision block is a high-strength rubber anti-collision block.

Further, the size of the anti-collision block is equal to that of the first piston, so that the anti-collision block can slide in the first buffer chamber.

A collision avoidance method of a high-speed milling machine axial multiple collision avoidance device is used for forming a buffer effect when a transverse sliding seat of a high-speed milling machine moves abnormally to avoid the transverse sliding seat from colliding a machine table, when the high-speed milling machine operates, the transverse sliding seat moves along the axial direction at a high speed to collide with a collision prevention block, the collision prevention block forms a first layer of buffer on the transverse sliding seat to protect the transverse sliding seat from being damaged, meanwhile, the transverse sliding seat pushes the collision prevention block and a first piston to move towards a main cylinder body, a spring applies a reverse acting force to the first piston to form a second layer of buffer, the second piston compresses air in a second cavity, the air applies a reverse acting force to the second piston to form a third layer of buffer, and.

As can be seen from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are: forming a first layer of buffer by arranging a high-strength rubber anti-collision block; the main cylinder body is divided into a first buffer section and a second buffer section by the partition plate, a first piston and a spring are arranged in the first buffer section, when abnormality occurs, the first piston pushes the spring, the spring generates reverse acting force to form a second layer of buffer, and meanwhile, because the first buffer chamber is a closed space, the first piston compresses air to form auxiliary buffer, so that the buffer effect is better; the second buffer chamber is internally provided with a second piston and is a closed space, the second piston extrudes the space of the second chamber when the cutter collision happens, and air in the second chamber is compressed to generate a reverse acting force to achieve the effect of buffering at the third layer.

Drawings

FIG. 1 is a cross-sectional view of the overall structure of an induction base of the present invention;

fig. 2 is a side view of the overall structure of the induction base of the present invention.

In the figure: 1. the hydraulic cylinder comprises a main cylinder body, 10 parts of a partition plate, 100 parts of guide holes, 11 parts of a first buffer chamber, 12 parts of a second buffer chamber, 120 parts of a first chamber, 121 parts of a second chamber, 2 parts of a piston rod, 20 parts of a piston rod limiting sleeve, 3 parts of a first piston, 4 parts of a second piston, 5 parts of an anti-collision block, 6 parts of a spring, 7 parts of a sealing cover component, 70 parts of a cover plate, 71 parts of a mounting plate, 8 parts of a sealing ring and 9 parts of a one-way valve.

Detailed Description

The invention is further described below by means of specific embodiments.

Referring to fig. 1 to 2, the axial multiple anti-collision device and the anti-collision method for the high-speed milling machine, provided by the invention, comprise a main cylinder body 1, a piston rod 2, a first piston 3, a second piston 4, an anti-collision block 5, a spring 6, a sealing component 7, a sealing ring 8 and a one-way valve 9.

The main cylinder body 1 is cylindrical, the front end and the rear end are open, a partition plate 10 is formed in the middle to divide the main cylinder body 1 into a first buffer chamber 11 and a second buffer chamber 12, a guide hole 100 is formed in the partition plate 10, a piston rod 2 is movably arranged in the main cylinder body 1 through the guide hole 100, a sealing ring 8 is arranged between the piston rod 2 and the inner wall of the guide hole 100, a first piston 3 is slidably arranged in the first buffer chamber 11 and connected to one end of the piston rod 2, the sealing ring 8 is arranged between the first piston 3 and the inner wall of the first buffer chamber 11, a second piston 4 is slidably arranged in the second buffer chamber 12 and connected to the other end of the piston rod 2, the sealing ring 8 is arranged between the second piston 4 and the inner wall of the second buffer chamber 12, the second piston 4 divides the second buffer chamber 12 into a first chamber 120 and a second chamber 121 which are independent, and the sizes of the first chamber 120 and the second chamber 121 can be changed along with the, one end of the spring 6 is pressed against the inner side of the first piston 3, and the other end is pressed against the partition plate 10.

The cover component 7 comprises a cover plate 70 and a mounting plate 71, the cover plate 70 seals the rear port of the second buffer chamber 12, so that the second chamber 120 of the second buffer chamber 12 forms a closed space, a sealing ring 8 is arranged at the joint of the cover plate 70 and the second buffer chamber 12 to increase the tightness of the second buffer chamber 12, a one-way valve 9 is arranged at the center position of the outer side of the cover plate 70, the one-way valve 9 can enable air to enter the second buffer chamber 12 and limit the air in the second buffer chamber 12 to flow out, so that the second piston 4 can achieve the buffering effect by extruding the air, the mounting plate 71 is arranged at one side of the cover plate 70 in a perpendicular mode, the mounting plate 71 is locked at one end of the beam of the high-speed milling machine through bolts, the main cylinder body 1 is mounted on the beam of the high-speed milling machine, and the anti-collision block 5.

The anti-collision block 5 is an acrylic rubber anti-collision block, the anti-collision block 5 is arranged on the outer side of the first piston 3, and the size of the anti-collision block 5 is equal to that of the first piston 3, so that the anti-collision block 5 can slide in the first buffer chamber 11 along with the first piston 3.

With continued reference to fig. 1 to 2, in the operation of the present invention, when the lateral sliding seat is abnormally moved due to an operation error, the lateral sliding seat moves at a high speed to impact the anti-collision block 5, the anti-collision block 5 forms a first layer of buffer, the lateral sliding seat pushes the anti-collision block 5, the anti-collision block 5 pushes the first piston 3 to slide in the first buffer chamber 11, the spring 6 arranged in the first buffer chamber 11 exerts an outward resistance on the first piston 3 to form a second layer of buffer, the second piston 4 in the second buffer chamber 12 slides towards one side of the cover plate 70, the second piston 4 extrudes air in the second chamber 121, the air compression exerts a resistance on the second piston 4 towards the direction of the partition plate 10 to form a third layer of buffer, the third layer of buffer occurs simultaneously, the buffer effect is greatly improved, and the damage of machine tool components or the spindle box due to the impact of the lateral sliding seat is avoided.

The main cylinder body of the invention is internally divided into a first buffer chamber 11 and a second buffer chamber 12, the second buffer chamber 12 is divided into a first chamber 120 and a second chamber 121 by a second piston 4, because a sealing ring 8 is arranged between the first piston 3 and the inner wall of the first buffer chamber 11, a sealing ring 8 is arranged between the second piston 4 and the inner wall of the second buffer chamber 12, a sealing ring 8 is arranged between the piston rod 2 and the guide hole 100, and a sealing ring 8 is arranged at the joint of the cover plate 70 and the second buffer chamber 12, the first buffer chamber 11, the first chamber 120 and the second chamber 121 are all closed spaces, when the transverse sliding seat moves abnormally due to misoperation, the anti-collision block 5 pushes the first piston 3 to move towards the main cylinder body 1, the spring 6 in the first buffer chamber 11 plays a buffer role, and simultaneously the first piston 3 compresses air in the first buffer chamber 11 to play an auxiliary buffer role, at this moment, the second piston 4 compresses the space of the second chamber 121, so that the air in the second chamber 121 forms a third layer of buffering, if the second chamber 121 is used for a large-scale milling machine, nitrogen gas needs to be filled into the second chamber 121 through the check valve 9, the buffering effect is better through the compressed nitrogen gas, after the buffering is finished, the spring 6 drives the first piston 3 to reset, and after the first piston 3 moves in place, the piston rod limiting sleeve 20 arranged on the piston rod 2 is propped against the partition plate 10, so that the first piston 3 is prevented from being separated from the main cylinder body 1.

The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.

Claims

1. The utility model provides a multiple buffer stop of high-speed milling machine axial which characterized in that: the anti-collision device comprises a main cylinder body, a piston rod, a first piston, a second piston, an anti-collision block, a spring and a sealing cover component, wherein a partition plate is formed in the main cylinder body to divide the main cylinder body into a first buffer chamber and a second buffer chamber, a guide hole is formed in the partition plate, the piston rod penetrates through the guide hole and is movably arranged in the main cylinder body, the first piston is slidably arranged in the first buffer chamber and is connected to one end of the piston rod, the second piston is slidably arranged in the second buffer chamber and is connected to the other end of the piston rod, the sealing cover component seals the rear port of the second buffer chamber, the second piston divides the second buffer chamber into two independent first and second chambers, the spring is arranged between the first piston and the partition plate, and the anti-collision block is arranged on the outer side of.

2. A high-speed milling machine axial multiple collision avoidance device according to claim 1, wherein: the cover component comprises a cover plate and a mounting plate, the cover plate seals the rear port of the second buffer chamber, and the mounting plate is perpendicular to the cover plate and arranged on one side of the cover plate.

3. A high-speed milling machine axial multiple collision avoidance device according to claim 2, wherein: the one-way valve is arranged on the outer side of the cover plate.

4. A high-speed milling machine axial multiple collision avoidance device according to claim 1, wherein: and sealing rings are arranged between the first piston and the inner wall of the first buffer chamber, between the second piston and the inner wall of the second buffer chamber, and between the piston rod and the guide hole.

5. A high-speed milling machine axial multiple collision avoidance device according to claim 1, wherein: and a piston rod limiting sleeve is arranged between the second piston and the partition plate, and the movement of the piston rod is limited to ensure that the first piston cannot be separated from the main cylinder body.

6. A high-speed milling machine axial multiple collision avoidance device according to claim 1, wherein: the anti-collision block is an acrylic rubber anti-collision block.

7. A high-speed milling machine axial multiple collision avoidance device according to claim 1, wherein: the size of the anti-collision block is equal to that of the second piston, so that the anti-collision block can slide in the first buffer chamber.

8. An anti-collision method based on the high-speed milling machine axial multiple anti-collision device of any one of claims 1 to 7, which is used for forming a buffer effect to protect a transverse sliding seat when the transverse sliding seat of the high-speed milling machine moves abnormally, and is characterized in that: when the high-speed milling machine runs, the transverse sliding seat drives the transverse sliding seat to move rapidly, the transverse sliding seat impacts the anti-collision block, the anti-collision block forms a first layer of buffer on the transverse sliding seat to protect the transverse sliding seat from being damaged, meanwhile, the transverse sliding seat pushes the anti-collision block and the first piston to move towards the main cylinder body, the spring applies a reverse acting force to the first piston to form a second layer of buffer, the second piston compresses air in the second cavity, the air applies a reverse acting force to the second piston to form a third layer of buffer, and the three layers of buffers occur simultaneously.