阅读说明：本技术 一种挤压机后部设备定尺装置 (Sizing device for rear equipment of extruder ) 是由 李鹏 张大维 代英男 赵亮 田哮喻 刘健 姬文明 徐威 马明鑫 于 2020-11-27 设计创作，主要内容包括：本发明属于铝型材挤压生产设备领域,涉及一种挤压机后部设备定尺装置,包括横梁,设置在横梁上的小车架体以及设置在该小车架体上的定尺挡板,横梁上设置有路轨,小车架体通过行走轮滚动安装在路轨上,小车架体上还安装有作用于该路轨上的制动器。本发明解决了由于型材米重增加而引起的定尺不准等影响型材精度的问题；通过改变刹车结构形式、挡板抬起方式、路轨整体结构等,不仅提高刹车制动效果,增加定尺精度,还能使定尺小车整体结构更加紧凑,起到降本增效的效果。(The invention belongs to the field of aluminum profile extrusion production equipment, and relates to a sizing device for equipment at the rear part of an extruder, which comprises a cross beam, a trolley frame body arranged on the cross beam and a sizing baffle arranged on the trolley frame body, wherein a rail is arranged on the cross beam, the trolley frame body is arranged on the rail in a rolling manner through a travelling wheel, and a brake acting on the rail is also arranged on the trolley frame body. The invention solves the problem that the accuracy of the section is influenced by inaccurate sizing and the like caused by the increase of the meter weight of the section; through changing brake structural style, baffle and lifting mode, rail overall structure etc. not only improve the brake braking effect, increase the scale precision, can also make scale dolly overall structure compacter, play the effect of cost reduction increase.)

1. The utility model provides an extruder rear portion equipment scale device, includes the crossbeam, sets up the dolly support body on the crossbeam and sets up the scale baffle on this dolly support body, its characterized in that: the cross beam is provided with a rail, the trolley frame body is arranged on the rail in a rolling way through the walking wheels, and the trolley frame body is also provided with a brake acting on the rail.

2. The extruder back end apparatus sizing device of claim 1, wherein: the trolley frame body is provided with a gear and a speed reducing motor, and the cross beam is provided with a rack meshed with the gear.

3. The extruder back end apparatus sizing device of claim 1, wherein: the lifting frame is installed on the trolley frame body, and the sizing baffle is fixedly installed on the lifting frame.

4. An extruder back end apparatus sizing device according to claim 3, wherein: a linear guide rail pair for guiding the lifting frame and a lifting oil cylinder for providing power for the lifting frame are also connected between the lifting frame and the trolley frame body;

the linear guide rail pair is provided with two linear guide rail pairs and is fixedly arranged on the trolley frame body together with the lifting oil cylinder.

5. An extruder back end apparatus sizing device according to claim 4, wherein: the linear guide rail pair and a plane in the direction of the lifting oil cylinder and the section bar impact sizing baffle are arranged at an angle theta.

6. An extruder back end apparatus sizing device according to claim 5, wherein: the angle θ is set to an obtuse angle.

7. An extruder back end apparatus sizing device according to claim 3, wherein: and a buffer device is also arranged between the sizing baffle and the lifting frame.

8. An extruder back end apparatus sizing device according to claim 7, wherein: the buffer device comprises a buffer oil cylinder and four groups of linear bearings which are arranged around the buffer oil cylinder and used for guiding.

9. The extruder back end apparatus sizing device of claim 1, wherein: the brake comprises a brake bracket, a brake oil cylinder and a brake pad arranged at the front end of the brake oil cylinder;

the brake cylinders are arranged on two sides of the rail, and the brake pads act on the rail.

Technical Field

The invention belongs to the field of aluminum profile extrusion production equipment, and relates to a sizing device for rear equipment of an extruder.

Background

In recent years, with the ever-expanding demand of aluminum extrusion market, the requirement of customers on the weight per meter of the section is higher and higher, and the requirement on the precision is higher and higher. When the meter weight of the profile is increased, a larger friction force is required for a brake device to resist the impulse generated when the profile is impacted; meanwhile, the principle of cost reduction and efficiency improvement is followed, and the sizing precision is required to be improved on the basis of reducing the original cost.

The main structure of the beam in the existing traditional structure consists of 4 walking rails and 1 braking rail, so that the usage amount of the section bar is large, and the machining cost is high; or the sizing brake device adopts a hydraulic oil cylinder or an air cylinder to apply a combined brake block (polyurethane and the like) on the surface of the profile to generate friction force to form a brake effect, the friction force generated by the structure is small, and the displacement of the sizing trolley is easy to change when the profile impacts the sizing baffle, so that the sizing precision is influenced; and the baffle mechanism adopts a connecting rod folding structure, the structural components and the kinematic pairs are more, the accumulative error is large, and the movement precision is low.

Disclosure of Invention

In view of this, the present invention provides a sizing device for a rear device of an extruder, which changes the structural form of a brake, so that the brake and a traveling wheel share the same rail, thereby reducing the usage amount of profiles and the machining cost.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an extruder rear portion equipment scale device, includes the crossbeam, sets up the dolly support body on the crossbeam and sets up the scale baffle on this dolly support body, is provided with the rail on the crossbeam, and the dolly support body is through walking wheel roll installation on the rail, still installs the stopper that acts on this rail on the dolly support body.

Optionally, a gear and a speed reduction motor are arranged on the trolley frame body, and a rack meshed with the gear is arranged on the cross beam.

Optionally, a lifting frame is installed on the trolley frame body, and the sizing baffle is fixedly installed on the lifting frame.

Optionally, a linear guide rail pair for guiding the lifting frame and a lifting oil cylinder for providing power for the lifting frame are further connected between the lifting frame and the trolley frame body;

the linear guide rail pair is provided with two linear guide rail pairs and is fixedly arranged on the trolley frame body together with the lifting oil cylinder.

Optionally, the linear guide rail pair and a plane of the lifting oil cylinder and the direction of the section bar impacting the sizing baffle are arranged at an angle theta.

Alternatively, the angle θ is set to an obtuse angle.

Optionally, a buffer device is further arranged between the sizing baffle and the lifting frame.

Optionally, the buffer device includes a buffer cylinder and four groups of linear bearings arranged around the buffer cylinder for guiding.

Optionally, the brake comprises a brake bracket, a brake cylinder and a brake pad arranged at the front end of the brake cylinder;

the brake cylinders are arranged on two sides of the rail, and the brake pads act on the rail.

The invention has the beneficial effects that: the sizing device for the rear equipment of the extruder solves the problem that the accuracy of the section is influenced by inaccurate sizing and the like caused by the increase of the meter weight of the section; through changing brake structural style, baffle and lifting mode, rail overall structure etc. not only improve the brake braking effect, increase the scale precision, can also make scale dolly overall structure compacter, play the effect of cost reduction increase.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view showing the overall structure of a sizing device of the rear equipment of an extruder according to the present invention;

FIG. 2 is a partial cross-sectional view of a sizing device of the extruder back end equipment of the present invention;

FIG. 3 is a partial side view of an apparatus sizing device for the back of an extruder of the present invention.

Reference numerals: the device comprises a rack 1, a speed reducing motor 2, a lifting oil cylinder 3, a linear guide rail pair 4, a brake 5, a walking wheel 6, a trolley frame body 7, a sizing baffle 8, a buffer device 9, a lifting frame 10, a brake pad 11, a rail 12, a brake support 13 and a buffer oil cylinder 14.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 3, a sizing device for rear equipment of an extruder includes a cross beam, a trolley frame 7 disposed on the cross beam, and a sizing baffle 8 disposed on the trolley frame 7, the cross beam is provided with a rail 12, the trolley frame 7 is mounted on the rail 12 by rolling wheels 6, the trolley frame 7 is further provided with a brake 5 acting on the rail 12, the brake 5 includes a brake bracket 13, a brake cylinder, and a brake pad 11 disposed at a front end of the brake cylinder; the brake cylinders are arranged on two sides of the rail 12, the brake pads act on the rail 12, the trolley frame body 7 is provided with a gear and a speed reduction motor 2, the cross beam is provided with a rack 1 meshed with the gear, the trolley frame body 7 is provided with a lifting frame 10, the fixed-length baffle 8 is fixedly arranged on the lifting frame 10, and a linear guide rail pair 4 for guiding the lifting frame 10 and a lifting cylinder 3 for providing power for the lifting frame 10 are also connected between the lifting frame 10 and the trolley frame body 7; the linear guide pair 4 is provided with two and is all fixed mounting on dolly support body 7 with lifting cylinder 3, and linear guide pair 4 is the angle theta setting with lifting cylinder 3 and the plane of section bar striking scale baffle 8 direction, still is equipped with buffer 9 between scale baffle 8 and the hoisting frame 10, and buffer 9 includes buffer cylinder 14 and sets up four groups of linear bearing that are used for the direction all around buffer cylinder 14.

In the embodiment, the brake 5 and the road wheels 6 share the same rail 12, so that the use amount of section bars and the machining cost are reduced, the brake cylinder extends to act on the rail 12, the generated friction force overcomes the force generated by section bar impact, and the friction force f of the single brake 5 is 2 mu FN.

In the embodiment, the angle theta is set to be an obtuse angle, so that the repeated positioning precision is high; due to the arrangement of the angle theta, the impact force of the aluminum profile on the sizing baffle 8 has a component force along the extension direction of the linear guide rail pair 4, and the component force can reduce the force vertical to the linear guide rail pair 4, and can also enable the lifting frame 10 to have a certain tendency of moving upwards, so that a certain gravity of the lifting frame 10 is offset; this structure is based on the setting of linear guide pair 4, has increased buffer 9 between hoisting frame 10 and scale baffle 8, according to Ft mv, under the unchangeable prerequisite of striking material quality and speed, increases buffer 9 and is equivalent to increase striking time t to reduce the impact F of material to scale baffle 8, play the purpose that increases equipment life.

When the aluminum profile trolley is used, the trolley frame body 7 is stopped at the corresponding position of the rail 12 according to the required length of the aluminum profile, and the trolley frame body 7 and the rail 12 are fixed together by the aid of the brake 5. When the aluminum profile is away from the sizing baffle 8 by a certain distance, the speed needs to be reduced, and the speed of impacting the baffle needs to be lower than 0.1m/s (otherwise, the equipment is easy to damage), so that the sizing requirements on different lengths of the aluminum profile are met.

The invention solves the problem that the accuracy of the section is influenced by inaccurate sizing and the like caused by the increase of the meter weight of the section; through changing brake structural style, baffle lifting mode, rail 12 overall structure etc. not only improve the brake braking effect, increase the scale precision, can also make scale dolly overall structure compacter, play the effect of cost reduction increase.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.