CN217224655U

CN217224655U - Collision buffer device

Info

Publication number: CN217224655U
Application number: CN202220140763.6U
Authority: CN
Inventors: 张朋飚; 廖巨清
Original assignee: Guangdong Jugao Intelligent Equipment Co ltd
Current assignee: Guangdong Jugao Intelligent Equipment Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-08-19
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses a collision buffer relates to digit control machine tool technical field, for the lathe moving part who solves among the prior art after soft spacing inefficacy, under the condition that takes place to contact with spacing stop iron, spare part receives the impact easily for each item precision of lathe will suffer the problem of influence. The anti-collision support is characterized in that a buffer is installed on one side of the anti-collision support and fixedly connected with the anti-collision support through inner hexagonal screws, a top head is arranged inside the anti-collision support and is connected with the anti-collision support in a sliding mode, a disc spring is arranged on one side of the top head, the anti-collision support and the top head are both attached to the disc spring, an ejector rod is arranged on one side of the top head and is arranged in an integrated structure with the top head, a piston is arranged inside the buffer and is connected with the buffer in a sliding mode, and the ejector rod is fixedly connected with the piston through a shaft sleeve.

Description

Collision buffer device

Technical Field

The utility model relates to a digit control machine tool technical field specifically is a collision buffer.

Background

Most of hard limiting installation positions on the existing numerical control machine tool are installed at two ends of a screw rod, the hard limiting installation positions are specifically installed on two end faces of a motor seat and a bearing seat, when soft limiting fails, a moving part can directly impact one end of the moving part, the transmission precision of the screw rod is affected, and in an extrusion state, resetting of parts has great difficulty.

In addition, the produced machine tool is to be transported to the whole country, even to be transported to the world, any fault needs to be processed by after-sales personnel on site, and only small problems can be finally solved, but the wage and the travel expense of the after-sales personnel are not small, so the after-sales maintenance cost is very high; therefore, the market is urgently in need of developing a collision buffer device to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a collision buffer to solve the lathe moving part that proposes in the above-mentioned background art after soft spacing inefficacy, under the condition that takes place to contact with spacing stop iron, spare part receives the impact easily, makes each item precision of lathe will suffer the problem of influence.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a collision buffer, includes the anticollision support, the buffer is installed to one side of anticollision support, and the buffer passes through hexagon socket head cap screw fixed connection with the anticollision support, the inside of anticollision support is provided with the top, and top and anticollision support sliding connection, one side of top is provided with disc spring, anticollision support and top all laminate with disc spring.

Preferably, one side of the ejector head is provided with an ejector rod, the ejector rod and the ejector head are arranged into an integral structure, a piston is arranged inside the buffer and is in sliding connection with the buffer, and the ejector rod and the piston are fixedly connected through a shaft sleeve.

Preferably, the inside of piston is provided with first feed liquor way, and first feed liquor way and piston set up structure as an organic whole, the inside of first feed liquor way is provided with first steel ball, the inside of piston is provided with first liquid outlet channel, and first liquid outlet channel and piston set up structure as an organic whole.

Preferably, the inside of piston is provided with the second feed liquor way, and second feed liquor way and piston set up as an organic whole structure, the inside of second feed liquor way is provided with the second steel ball, the inside of piston is provided with the second liquid outlet channel, and the second liquid outlet channel sets up as an organic whole structure with the piston.

Preferably, the inside of buffer is provided with hydraulic oil, be provided with the sealing washer between buffer and the crashproof support, and buffer and crashproof support all with the sealing washer laminating.

Preferably, a sealing cover is installed on one side of the buffer, the sealing cover is fixedly connected with the buffer through an inner hexagonal screw, a fixing nut is installed at one end of the ejector rod and is in threaded connection with the ejector rod, a flat washer is arranged on one side of the fixing nut, and the sealing cover and the fixing nut are attached to the flat washer.

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

1. the utility model discloses a setting through the buffer, traditional collision buffer all is single spring buffer structure, the slow-down pressure that can reduce is limited, receive the striking back at the top, the spring can be compressed immediately, almost be equivalent to hard collision, and the inside of buffer is provided with hydraulic oil, change through the hydraulic, play the effect of buffering, thereby when the lathe moving part after soft spacing inefficacy, take place under the condition with the top contact at spacing stop iron, avoid too big impact, thereby effectively protect spare part, guarantee that each item precision of lathe is not influenced, protect the lathe precision, reduce the lathe maintenance cost.

2. The utility model discloses a through disc spring's setting, the top produces displacement compression disc spring after the spacing stop iron of collision, and disc spring takes place elastic deformation and offsets moving part's impact force, forms a buffering protect function, the precision of guarantee lathe, and two terminal surfaces of mutual contact can conveniently dismantle whole anticollision institution in the dead circumstances in top after the collision under to in adjustment maintenance, this operation and manufacturing simplify cost of maintenance and fault rate greatly reduced.

Drawings

FIG. 1 is a front view of a crash cushion of the present invention;

FIG. 2 is a cross-sectional view of a crash cushion of the present invention;

fig. 3 is a cross-sectional view of the piston of the present invention.

In the figure: 1. an anti-collision support; 2. a buffer; 3. ejecting the head; 4. a sealing cover; 5. a flat washer; 6. fixing a nut; 7. a top rod; 8. a belleville spring; 9. a seal ring; 10. a piston; 11. hydraulic oil; 12. a first liquid inlet channel; 13. a first steel ball; 14. a first liquid outlet channel; 15. a second liquid inlet channel; 16. a second steel ball; 17. and a second liquid outlet channel.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a collision buffer, includes crashproof support 1, and buffer 2 is installed to one side of crashproof support 1, and buffer 2 and crashproof support 1 pass through hexagon socket head cap screw fixed connection, and the inside of crashproof support 1 is provided with top 3, and top 3 and 1 sliding connection of crashproof support, and one side of top 3 is provided with disc spring 8, and crashproof support 1 and top 3 all laminate with disc spring 8.

Further, one side of top 3 sets up ejector pin 7, and ejector pin 7 sets up structure as an organic whole with top 3, and the inside of buffer 2 is provided with piston 10, and

piston

10 and 2 sliding connection of buffer, and ejector pin 7 passes through axle sleeve fixed connection with piston 10, ejector pin 7 and crashproof support 1 sliding connection.

Further, the inside of piston 10 is provided with first feed liquor way 12, and first feed liquor way 12 sets up structure as an organic whole with piston 10, and the inside of first feed liquor way 12 is provided with first steel ball 13, and the inside of piston 10 is provided with first liquid outlet channel 14, and first liquid outlet channel 14 sets up structure as an organic whole with piston 10, first liquid outlet channel 14 and first feed liquor way 12 intercommunication.

Further, a second liquid inlet passage 15 is formed in the piston 10, the second liquid inlet passage 15 and the piston 10 are integrated, a second steel ball 16 is arranged in the second liquid inlet passage 15, a second liquid outlet passage 17 is formed in the piston 10, the second liquid outlet passage 17 and the piston 10 are integrated, and the second liquid outlet passage 17 is communicated with the second liquid inlet passage 15.

Further, the inside of buffer 2 is provided with hydraulic oil 11, is provided with sealing washer 9 between buffer 2 and the anticollision support 1, and buffer 2 and anticollision support 1 all laminate with sealing washer 9, through the setting of sealing washer 9, improves the leakproofness between buffer 2 and the anticollision support 1.

Further, sealed lid 4 is installed to one side of buffer 2, and sealed lid 4 passes through hexagon socket head cap screw fixed connection with buffer 2, and fixation nut 6 is installed to the one end of ejector pin 7, and

fixation nut

6 and 7 threaded connection of ejector pin, and one side of fixation nut 6 is provided with plain washer 5, and sealed lid 4 and fixation nut 6 all laminate with plain washer 5, can carry on spacingly to ejector pin 7 through fixation nut 6's setting.

The working principle is as follows: when the hydraulic buffering device is used, after the top 3 collides with a limiting stop iron, displacement is generated to compress the disc spring 8, the disc spring 8 generates elastic deformation to counteract the impact force of a moving part, a buffering protection function is formed, meanwhile, the top 3 drives the ejector rod 7 to move backwards, the ejector rod 7 drives the piston 10 to move backwards, at the moment, hydraulic oil 11 enters the first liquid inlet channel 12 through the first liquid outlet channel 14 and pushes the first steel ball 13 to move rightwards, at the moment, a channel between the first liquid inlet channel 12 and the first liquid outlet channel 14 is blocked, hydraulic oil 11 enters the second liquid outlet channel 17 through the second liquid inlet channel 15, at the moment, the second steel ball 16 also moves rightwards, at the moment, a channel between the second liquid inlet channel 15 and the second liquid outlet channel 17 is blocked, at the moment, the backward movement speed of the piston 10 is limited under the hydraulic extrusion, and the effect of relieving the impact force is achieved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A crash cushion device comprising a crash support (1), characterized in that: buffer (2) are installed to one side of anticollision support (1), and buffer (2) and anticollision support (1) pass through hexagon socket head cap screw fixed connection, the inside of anticollision support (1) is provided with top (3), and top (3) and anticollision support (1) sliding connection, one side of top (3) is provided with belleville spring (8), anticollision support (1) and top (3) all laminate with belleville spring (8).

2. A crash cushion according to claim 1 wherein: one side of top (3) sets up ejector pin (7), and ejector pin (7) and top (3) set up structure as an organic whole, the inside of buffer (2) is provided with piston (10), and piston (10) and buffer (2) sliding connection, ejector pin (7) and piston (10) pass through axle sleeve fixed connection.

3. A crash cushion according to claim 2, wherein: the piston is characterized in that a first liquid inlet channel (12) is arranged inside the piston (10), the first liquid inlet channel (12) and the piston (10) are arranged to be of an integral structure, a first steel ball (13) is arranged inside the first liquid inlet channel (12), a first liquid outlet channel (14) is arranged inside the piston (10), and the first liquid outlet channel (14) and the piston (10) are arranged to be of an integral structure.

4. A crash cushion according to claim 2, wherein: the piston is characterized in that a second liquid inlet channel (15) is arranged inside the piston (10), the second liquid inlet channel (15) and the piston (10) are arranged to be of an integral structure, a second steel ball (16) is arranged inside the second liquid inlet channel (15), a second liquid outlet channel (17) is arranged inside the piston (10), and the second liquid outlet channel (17) and the piston (10) are arranged to be of an integral structure.

5. A crash cushion according to claim 1 wherein: the inside of buffer (2) is provided with hydraulic oil (11), be provided with between buffer (2) and crashproof support (1) sealing washer (9), and buffer (2) and crashproof support (1) all laminate with sealing washer (9).

6. A crash cushion according to claim 2, wherein: sealed lid (4) are installed to one side of buffer (2), and sealed lid (4) pass through hexagon socket head cap screw fixed connection with buffer (2), fixation nut (6) are installed to the one end of ejector pin (7), and fixation nut (6) and ejector pin (7) threaded connection, one side of fixation nut (6) is provided with plain washer (5), sealed lid (4) and fixation nut (6) all laminate with plain washer (5).