CN211992025U

CN211992025U - High-speed milling machine axial multiple anti-collision device

Info

Publication number: CN211992025U
Application number: CN201922417354.7U
Authority: CN
Inventors: 陈德辉; 林潍得; 戴杰裕; 陈志明
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: 2020-11-24
Anticipated expiration: 2029-12-27

Abstract

The utility model provides an axial multiple anti-collision device of a high-speed milling machine, which comprises a main cylinder body, a piston rod, a first piston and a second piston, anticollision piece, a spring, the closing cap part, be formed with the division board in the main cylinder body and fall into first cushion chamber and second cushion chamber with the main cylinder body, the guiding hole has been seted up on the division board, the piston rod passes the movably setting of guiding hole in the main cylinder body, first piston slidable sets up in first cushion chamber and connects in piston rod one end, second piston slidable sets up in the second cushion chamber and connects the piston rod other end, the back port of the sealed second cushion chamber of closing cap part, the second piston separates the second cushion chamber into two independent first, the second cavity, the spring sets up between first piston and division board, anticollision piece sets up in the first piston outside, the utility model discloses a design three-layer buffering, the anticollision effect has effectively been improved.

Description

High-speed milling machine axial multiple anti-collision device

Technical Field

The utility model relates to a milling machine auxiliary assembly, especially a multiple buffer stop of high-speed milling machine axial.

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.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main objective is to overcome prior art's shortcoming, provides one kind and sets up the multiple buffer stop of increase anticollision effect, and simple structure's high-speed milling machine axial through the multilayer.

The utility model 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.

It can be known 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 sectional view of the whole structure of the induction seat of the present invention;

fig. 2 is a side view of the whole structure of the induction seat 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 present invention will be further described with reference to the following detailed description.

Referring to fig. 1 to 2, the utility model discloses a multiple buffer stop of high-speed milling machine axial, including main cylinder body 1, piston rod 2, first piston 3, second piston 4, anticollision piece 5, spring 6, closing cap part 7, sealing washer 8, check 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 continuing reference to fig. 1 to 2, when the lateral sliding seat moves abnormally due to misoperation, 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 buffering, 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 buffering chamber 11, the spring 6 arranged in the first buffering chamber 11 exerts an outward resistance on the first piston 3 to form a second layer of buffering, meanwhile, 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, air compression exerts resistance force towards the direction of the partition plate 10 on the second piston 4 to form a third layer of buffer, and the three layers of buffer occur simultaneously, so that the buffer effect is greatly improved, and the damage of machine tool parts or a spindle box caused by the fact that a transverse sliding seat impacts a machine tool is avoided.

The utility model discloses divide into first cushion chamber 11 and second cushion chamber 12 in the main cylinder body, second cushion chamber 12 is separated into first cavity 120 and second cavity 121 by second piston 4 again, because be provided with sealing washer 8 between the inner wall of first piston 3 and first cushion chamber 11, be provided with sealing washer 8 between the inner wall of second piston 4 and second cushion chamber 12, be provided with sealing washer 8 between piston rod 2 and guiding hole 100, the apron 70 is provided with sealing washer 8 with the junction of second cushion chamber 12, so first cushion chamber 11, first cavity 120 and second cavity 121 are airtight space, when the horizontal slide of misoperation removes and appears unusually, anticollision piece 5 promotes first piston 3 to remove to main cylinder body 1, spring 6 plays the cushioning effect to anticollision piece 5 in the first cushion chamber 11, the air that first piston 3 compressed in the first cushion chamber 11 plays the supplementary effect of buffering simultaneously, 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 is only a specific embodiment of the present invention, but the design concept of the present invention is not limited to this, and the present invention is to be used for insubstantial modification of the present invention, which all infringes the protection scope of 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.