CN110842057A

CN110842057A - Aluminum profile straightening device

Info

Publication number: CN110842057A
Application number: CN201810946871.0A
Authority: CN
Inventors: 杨帆
Original assignee: Hubei Wei Road Science And Technology Development Co Ltd
Current assignee: Hubei Wei Road Science And Technology Development Co Ltd
Priority date: 2018-08-20
Filing date: 2018-08-20
Publication date: 2020-02-28

Abstract

The invention belongs to the technical field of aluminum profile processing equipment, and particularly relates to an aluminum profile straightening device which comprises a fixed stretching head, a movable stretching head and an air cylinder, wherein the movable stretching head and the air cylinder are arranged opposite to the fixed stretching head, the movable stretching head comprises a first clamping arm and a second clamping arm, the first clamping arm is of a U-shaped structure, a plurality of rubber rollers are arranged between two side plates of the first clamping arm, two ends of each rubber roller are respectively and rotatably connected with the two side plates of the first clamping arm, and the air cylinder is used for driving the first clamping arm and the second clamping arm to be close to or far away from each other, so that the aluminum profile is tightly clamped, the clamping effect is stable, and the aluminum profile cannot be damaged.

Description

Aluminum profile straightening device

Technical Field

The invention belongs to the technical field of aluminum profile processing equipment, and particularly relates to an aluminum profile straightening device.

Background

In order to solve the problem, the aluminum alloy profile is required to be straightened and corrected after being extruded and cooled to normal temperature.

The straightening method of the aluminum profile is various, the most common stretching and straightening method in factories is to adjust and fix a stretching head on a stretching track, so that the distance between a movable stretching head and the fixed stretching head of the straightening machine can clamp the straightened profile, then the movable stretching head and the fixed stretching head clamp two ends of the straightened profile, and finally a main straightening cylinder pulls the movable stretching head to move leftwards through a main straightening rod, so that the straightened profile generates plastic deformation, and the straightening purpose is achieved.

Straightening drawing equipment of current aluminium alloy because the centre gripping position that removes drawing head is mostly planar structure, and is not good to the tight effect of clamp of aluminium alloy, probably appears taking off power phenomenon at straightening drawing in-process, and the centre gripping is unstable, can cause the damage to the aluminium alloy sometimes.

Disclosure of Invention

The invention aims to solve the problems and provides an aluminum profile straightening device which is tight in clamping aluminum profiles, stable in clamping effect and free of damage to the aluminum profiles.

The invention is realized by adopting the following technical scheme:

the utility model provides an aluminium alloy straightener, includes fixed tensile head and rather than the tensile head of removal and the cylinder of relative setting, it includes first clamp arm and second clamp arm to remove tensile head, first clamp arm is the U-shaped structure, it is equipped with a plurality of rubber roller to arrange between two curb plates of first clamp arm, the both ends of rubber roller rotate with two curb plates of first clamp arm respectively and are connected, the cylinder is used for driving first clamp arm and second clamp arm and is close to each other or keep away from.

Preferably, the clamping surface of the second clamping arm is an arc surface with a middle part protruding upwards.

Preferably, a rubber pad is fixedly arranged on the clamping surface of the second clamping arm, the rubber pad is of an arc-shaped plate structure, and the radian of the rubber pad is the same as that of the clamping surface of the second clamping arm.

In the preferred scheme, anti-skid grains are arranged on one side of the rubber pad, which is in contact with the aluminum profile.

Preferably, the movable stretching head further comprises a connecting piece, the connecting piece comprises a body and a connecting rod A, a connecting rod B and a connecting rod C, one end of the connecting rod A is fixedly arranged on the body and extends outwards, the connecting rod A is fixedly connected with a piston rod of the air cylinder, the connecting rod B is connected with the first clamping arm, and the connecting rod C is connected with the second clamping arm.

According to the preferable scheme, two ends of the connecting rod B are hinged to the first clamping arm and the body respectively, and two ends of the connecting rod C are hinged to the second clamping arm and the body respectively.

According to the preferable scheme, the connecting rod B and the connecting rod C are welded on the body, the first clamping arm is connected with the connecting rod B through the first driving rod, two ends of the first driving rod are hinged to the first clamping arm and the connecting rod B respectively, the second clamping arm is connected with the connecting rod C through the second driving rod, and two ends of the second driving rod are hinged to the second clamping arm and the connecting rod C respectively.

The invention has the beneficial effects that:

1. the rubber roller is rotatably connected with the first clamping arm, and when the aluminum profile is stretched, the rubber roller has certain elasticity and the surface of the rubber roller is arc-shaped, so that the rubber roller can be in close contact with the aluminum profile, the acting force on the aluminum profile is ensured to be unchanged, and the damage to the aluminum profile during the stretching, straightening and stretching can be effectively avoided.

2. The three-connecting piece, the first driving rod and the second driving rod are arranged, so that the acting distance and the acting effect of the cylinder on the movable stretching head are improved, and the clamping, straightening and stretching effects on the aluminum profile are good.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Figure 1 is a top view of an aluminum profile straightener of the present invention.

Figure 2 is a top view of another aluminum profile straightener of this invention.

Fig. 3 is a schematic view of the structure of the first clamp arm of the present invention.

In the figure, 1, a fixed stretching head; 2. moving the stretching head; 21. a first clamp arm; 22. a second clamp arm; 3. a cylinder; 4. a rubber roller; 5. a rubber pad; 6. three connecting pieces; 61. a connecting rod A; 62. a connecting rod B; 63. a connecting rod C; 64. a body; 71. a first drive lever; 72. a second drive lever; 8. an aluminum profile.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

As shown in fig. 1 and 3, the aluminum profile straightening device comprises a fixed stretching head 1, a movable stretching head 2 and a cylinder 3, wherein the movable stretching head 2 and the cylinder 3 are arranged opposite to the fixed stretching head 1, the movable stretching head 2 comprises a first clamping arm 21 and a second clamping arm 22, the first clamping arm 21 is of a U-shaped structure, a plurality of rubber rollers 4 are arranged between two side plates of the first clamping arm 21, two ends of each rubber roller 4 are respectively connected with the two side plates of the first clamping arm 21 in a rotating manner, preferably, the rubber rollers are connected in a rotating manner through bearings arranged on the two side plates of the first clamping arm 21, and the cylinder 3 is used for driving the first clamping arm 21 and the second clamping arm 22 to approach to or depart from each other. Through the cooperation of the rubber roller 4 on the first clamping arm 21 and the second clamping arm 22, when the aluminum profile 8 is stretched, the air cylinder 3 can always keep close contact with the aluminum profile 8 towards the first clamping arm 21 and the second clamping arm 22, and the clamping effect during straightening and stretching is ensured.

As shown in fig. 1, in the present embodiment, the clamping surface of the second clamping arm 22 is a cambered surface with a middle portion protruding upward.

Preferably, a rubber pad 5 is fixedly arranged on the clamping surface of the second clamping arm 22 through a bolt, the rubber pad 5 is in an arc-shaped plate-shaped structure, and the radian of the rubber pad 5 is the same as that of the clamping surface of the second clamping arm 22.

In another embodiment, as shown in fig. 2, the clamping surface of the second clamping arm 22 is a plane, and the rubber pad 5 is fixedly arranged on the clamping surface of the second clamping arm 22 by an adhesive, and the rubber pad 5 is in a straight plate-shaped structure.

In order to improve the clamping effect on the aluminum profile 8, anti-skid lines are arranged on the side wall of the rubber pad 5 contacted with the aluminum profile 8.

As shown in fig. 1, in order to increase the working distance and the working effect of the cylinder 3 on the movable stretching head 2, the movable stretching head further comprises a triplex 6, the triplex 6 comprises a body 64 and a connecting rod a61, a connecting rod B62 and a connecting rod C63, one end of the connecting rod a61 is fixed on the body 64 and extends outwards, and the connecting rod a61 is fixedly connected, preferably in a threaded manner, with the piston rod of the cylinder 3.

In this embodiment, the two ends of the connecting rod B62 are respectively hinged to the first clamping arm 21 and the body 64, and the two ends of the connecting rod C63 are respectively hinged to the second clamping arm 22 and the body 64.

In another preferred embodiment, as shown in fig. 2, the connecting rod B62 and the connecting rod C63 are welded to the body 64, the first clamping arm 21 is connected to the connecting rod B62 through a first driving rod 71, both ends of the first driving rod 71 are respectively hinged to the first clamping arm 21 and the connecting rod B62, the second clamping arm 22 is connected to the connecting rod C63 through a second driving rod 72, and both ends of the second driving rod 72 are respectively hinged to the second clamping arm 22 and the connecting rod C63.

Through the arrangement of the first driving rod 71 and the second driving rod 72, the acting distance of the air cylinder 3 to the first clamping arm 21 and the second clamping arm 22 is further increased, the moment is increased, and the energy consumed by the air cylinder 3 in clamping and straightening stretching is saved.

The working principle of the invention is as follows:

before the aluminum profile 8 is straightened and stretched, a piston rod of the air cylinder 3 is in an extending state, and a distance which is larger than the width of the aluminum profile 8 is reserved between the first clamping arm 21 and the second clamping arm 22;

during straightening and stretching, one end of the aluminum profile 8 is fixed, the other end of the aluminum profile is placed between the first clamping arm 21 and the second clamping arm 22, the air cylinder 3 is started, a piston rod of the air cylinder 3 contracts to drive the first clamping arm 21 and the second clamping arm 22 to approach each other, and the first clamping arm 21 and the second clamping arm 22 clamp the aluminum profile 8;

the piston rod of the cylinder 3 continues to contract to achieve the effect of straightening and stretching the aluminum profile 8, so that the bending and the distortion of the aluminum profile 8 are eliminated, and the uneven stress of the aluminum profile 8 along the section direction is eliminated.

The invention is not limited to the above-described examples, and various modifications or alterations without inventive work may be made by those skilled in the art within the scope of the invention defined by the claims appended hereto.

Claims

1. The utility model provides an aluminium alloy straightener, includes that fixed drawing head (1) and rather than the removal of relative setting draw head (2) and cylinder (3), its characterized in that: the movable stretching head (2) comprises a first clamping arm (21) and a second clamping arm (22), the first clamping arm (21) is of a U-shaped structure, a plurality of rubber rollers (4) are arranged between two side plates of the first clamping arm (21), two ends of each rubber roller (4) are respectively in rotating connection with the two side plates of the first clamping arm (21), and the air cylinder (3) is used for driving the first clamping arm (21) and the second clamping arm (22) to be close to or far away from each other.

2. The aluminum profile straightening device according to claim 1, characterized in that: the clamping surface of the second clamping arm (22) is an arc surface with the middle part protruding upwards.

3. The aluminum profile straightening device according to claim 2, characterized in that: the clamping surface of the second clamping arm (22) is fixedly provided with a rubber pad (5), the rubber pad (5) is of an arc-shaped plate-shaped structure, and the radian of the clamping surface of the rubber pad (5) is the same as that of the clamping surface of the second clamping arm (22).

4. The aluminum profile straightening device according to claim 3, characterized in that: and anti-skid grains are arranged on one side of the rubber pad (5) contacting with the aluminum profile (8).

5. The aluminum profile straightening device according to claim 1, characterized in that: the movable stretching head further comprises a triple piece (6), the triple piece (6) comprises a body (64) and a connecting rod A (61), a connecting rod B (62) and a connecting rod C (63), one end of the connecting rod A (61) is fixedly arranged on the body (64) and extends outwards, the connecting rod A (61) is fixedly connected with a piston rod of the cylinder (3), the connecting rod B (62) is connected with the first clamping arm (21), and the connecting rod C (63) is connected with the second clamping arm (22).

6. The aluminum profile straightening device according to claim 5, characterized in that: the two ends of the connecting rod B (62) are hinged to the first clamping arm (21) and the body (64) respectively, and the two ends of the connecting rod C (63) are hinged to the second clamping arm (22) and the body (64) respectively.

7. The aluminum profile straightening device according to claim 5, characterized in that: connecting rod B (62) and connecting rod C (63) welding are on body (64), first clamp arm (21) are connected with connecting rod B (62) through first actuating lever (71), the both ends of first actuating lever (71) are articulated with first clamp arm (21) and connecting rod B (62) respectively, second clamp arm (22) are connected with connecting rod C (63) through second actuating lever (72), the both ends of second actuating lever (72) are articulated with second clamp arm (22) and connecting rod C (63) respectively.