阅读说明：本技术 一种铝型材矫直拉伸机构 (Aluminium alloy aligning drawing mechanism ) 是由 杨帆 于 2018-08-20 设计创作，主要内容包括：本发明属于铝型材加工设备技术领域,特别涉及一种铝型材矫直拉伸机构,包括气缸和移动拉伸头,所述移动拉伸头包括第一夹紧臂和第二夹紧臂,所述气缸用于驱动第一夹紧臂和第二夹紧臂相互靠近或远离,所述第一夹紧臂的夹紧面呈弧形,所述第一夹紧臂的夹紧面外侧通过若干个固定螺栓固设有弧形防滑垫,所述弧形防滑垫与第一夹紧臂的夹紧面的弧度相同,其对铝型材的夹持紧密,夹持效果稳定,不会对铝型材造成伤害。(The invention belongs to the technical field of aluminum profile processing equipment, and particularly relates to an aluminum profile straightening and stretching mechanism which comprises an air cylinder and a movable stretching head, wherein the movable stretching head comprises a first clamping arm and a second clamping arm, the air cylinder is used for driving the first clamping arm and the second clamping arm to be close to or away from each other, the clamping surface of the first clamping arm is arc-shaped, an arc-shaped anti-skid pad is fixedly arranged on the outer side of the clamping surface of the first clamping arm through a plurality of fixing bolts, the arc-shaped anti-skid pad and the clamping surface of the first clamping arm have the same radian, the arc-shaped anti-skid pad tightly clamps an aluminum profile, the clamping effect is stable, and the aluminum profile cannot be damaged.)

1. The utility model provides an aluminium alloy aligning drawing mechanism which characterized in that: stretch head (2) including cylinder (1) and removal, it includes first clamp arm (21) and second clamp arm (22) to remove to stretch head (2), cylinder (1) is used for driving first clamp arm (21) and second clamp arm (22) and is close to each other or keep away from, the arc is personally submitted in the clamp of first clamp arm (21), the clamp surface outside of first clamp arm (21) has set firmly arc slipmat (31), arc slipmat (31) are the same with the radian of the clamp surface of first clamp arm (21).

2. The aluminum profile straightening and stretching mechanism according to claim 1, characterized in that: the clamping surface of the second clamping arm (22) is a plane.

3. The aluminum profile straightening and stretching mechanism according to claim 2, characterized in that: and a second anti-skid pad (32) is fixedly arranged on the outer side of the clamping surface of the second clamping arm (22) through a plurality of fastening bolts, and the second anti-skid pad (32) is of a straight plate-shaped structure.

4. The aluminum profile straightening and stretching mechanism according to claim 1, characterized in that: the clamping surface of the second clamping arm (22) is an arc surface.

5. The aluminum profile straightening and stretching mechanism according to claim 4, characterized in that: the outer side of the clamping surface of the second clamping arm (22) is fixedly provided with a second anti-skid pad (32) through a plurality of fastening bolts, the second anti-skid pad (32) is of an arc-shaped plate-shaped structure, and the radians of the clamping surfaces of the second anti-skid pad (32) and the second clamping arm (22) are the same.

6. The aluminum profile straightening and stretching mechanism as claimed in claim 3 or 5, characterized in that: and anti-slip lines are arranged on the side walls of the arc-shaped anti-slip mat (31) and the second anti-slip mat (32) which are in contact with the aluminum profile.

7. The aluminum profile straightening and stretching mechanism according to claim 1, characterized in that: the stretching mechanism further comprises a connecting piece (4), the connecting piece (4) comprises a body (44) and a connecting rod A (41), a connecting rod B (42) and a connecting rod C (43), wherein one end of the connecting rod A (41) is fixedly arranged on the body (44) and extends outwards, the connecting rod A (41) is fixedly connected with a piston rod of the air cylinder (1), the connecting rod B (42) is connected with the first clamping arm (21), and the connecting rod C (43) is connected with the second clamping arm (22).

8. The aluminum profile straightening and stretching mechanism according to claim 7, characterized in that: the two ends of the connecting rod B (42) are respectively hinged with the first clamping arm (21) and the body (44), and the two ends of the connecting rod C (43) are respectively hinged with the second clamping arm (22) and the body (44).

9. The aluminum profile straightening and stretching mechanism according to claim 7, characterized in that: connecting rod B (42) and connecting rod C (43) welding are on body (44), first clamp arm (21) are connected with connecting rod B (42) through first actuating lever (51), the both ends of first actuating lever (51) are articulated with first clamp arm (21) and connecting rod B (42) respectively, second clamp arm (22) are connected with connecting rod C (43) through second actuating lever (52), the both ends of second actuating lever (52) are articulated with second clamp arm (22) and connecting rod C (43) respectively.

Technical Field

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

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 and stretching mechanism 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 aligning drawing mechanism, includes the cylinder and removes tensile head, it includes first clamp arm and the second clamp arm to remove tensile head, the cylinder is used for driving first clamp arm and the second clamp arm and is close to each other or keep away from, the arc is personally submitted in the clamp of first clamp arm, the clamp surface outside of first clamp arm has set firmly the arc slipmat, the arc slipmat is the same with the radian of the clamp surface of first clamp arm.

Preferably, the clamping surface of the second clamping arm is a flat surface.

Furthermore, a second anti-skid pad is fixedly arranged on the outer side of the clamping surface of the second clamping arm through a plurality of fastening bolts, and the second anti-skid pad is of a straight plate-shaped structure.

In another preferred embodiment, the clamping surface of the second clamping arm is a cambered surface.

Furthermore, a second anti-skid pad is fixedly arranged on the outer side of the clamping surface of the second clamping arm through a plurality of fastening bolts, the second anti-skid pad is of an arc-shaped plate-shaped structure, and the radian of the second anti-skid pad is the same as that of the clamping surface of the second clamping arm.

Furthermore, the arc-shaped anti-slip mat and the side wall of the second anti-slip mat, which is in contact with the aluminum profile, are provided with anti-slip lines.

Preferably, the stretching mechanism further comprises three connecting pieces, the three connecting pieces are of an integrated structure, the integrated structure comprises a connecting rod A, a connecting rod B and a connecting rod C, the connecting rod A extends outwards, the connecting rod B 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.

Another preferred scheme, connecting rod B and connecting rod C welding are on the body, first clamp arm is connected with connecting rod B through first actuating lever, the both ends of first actuating lever are articulated with first clamp arm and connecting rod B respectively, the second clamp arm is connected with connecting rod C through the second actuating lever, the both ends of second actuating lever are articulated with second clamp arm and connecting rod C respectively.

The invention has the beneficial effects that:

1. the side, which is contacted with the aluminum profile, of the first clamping arm is arc-shaped, and when the aluminum profile is stretched, the first clamping arm and the second clamping arm can be always in close contact with the aluminum profile, so that the clamping effect during straightening and stretching is ensured.

2. The arc-shaped anti-skid pad has the same radian as the clamping surface of the first clamping arm, so that the arc-shaped anti-skid pad has uniform thickness, the acting force of the arc-shaped anti-skid pad on the aluminum profile is ensured to be unchanged, and the aluminum profile can be effectively prevented from being damaged when being pulled, straightened and stretched.

3. 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 straightening and stretching mechanism of the invention.

Figure 2 is a top view of another aluminum profile straightening and stretching mechanism of the invention.

In the figure, 1, cylinder; 2. moving the stretching head; 21. a first clamp arm; 22. a second clamp arm; 31. an arc-shaped anti-skid pad; 32. a second non-slip mat; 4. three connecting pieces; 41. a connecting rod A; 42 connecting rod B; 43. a connecting rod C; 44. a body; 51. a first drive lever; 52. a second drive lever; 6. 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, in this embodiment, an aluminum profile straightening and stretching mechanism includes a cylinder 1 and a movable stretching head 2, the movable stretching head 2 includes a first clamping arm 21 and a second clamping arm 22, the cylinder 1 is configured to drive the first clamping arm 21 and the second clamping arm 22 to approach to or separate from each other, a clamping surface of the first clamping arm 21 is arc-shaped, an arc-shaped anti-skid pad 31 is fixedly arranged on an outer side of a clamping surface of the first clamping arm 21 through a plurality of fixing bolts, and the arc-shaped anti-skid pad 31 has the same arc as the clamping surface of the first clamping arm 21.

First clamp arm 21 is the arc with one side of aluminium alloy 6 contact, when tensile aluminium alloy 6, first clamp arm 21 and second clamp arm 22 can keep in close contact with aluminium alloy 6 all the time, ensure the tight effect of clamp when the aligning is tensile, and, arc slipmat 31 is the same with the radian of the tight face of clamp of first clamp arm 21, consequently, the thickness homogeneous of arc slipmat 31, it is unchangeable to have guaranteed that arc slipmat 31 is to the effort of aluminium alloy 6, can effectively avoid drawing the alignment and causing the injury to aluminium alloy 6 when tensile.

In this embodiment, the clamping surface of the second clamping arm 22 is a plane, the second anti-slip pad 32 is fixedly arranged on the outer side of the clamping surface of the second clamping arm 22 through a plurality of fastening bolts, the second anti-slip pad 32 is of a straight plate structure, and the arrangement of the second anti-slip pad 32 increases the friction force when the first clamping arm 21 and the second clamping arm 22 act on the aluminum profile 6, so that the clamping effect of the movable stretching head 2 on the aluminum profile 6 is improved.

In another preferred embodiment, as shown in fig. 2, the clamping surface of the second clamping arm 22 is an arc surface, a second anti-skid pad 32 is fixedly arranged on the outer side of the clamping surface of the second clamping arm 22 through a plurality of fastening bolts, the second anti-skid pad 32 is an arc plate-shaped structure, and the arcs of the second anti-skid pad 32 and the clamping surface of the second clamping arm 22 are the same.

In order to improve the clamping effect on the aluminum profile 6, the side walls of the arc-shaped anti-slip pads 31 and the second anti-slip pads 32, which are in contact with the aluminum profile 6, are provided with anti-slip lines.

As shown in fig. 1, in order to increase the working distance and the working effect of the cylinder 1 on the moving stretching head 2, the stretching mechanism further comprises a triple link 4, the triple link 4 is an integrated structure, the integrated structure comprises a connecting rod a41, a connecting rod B42 and a connecting rod C43, the connecting rod a41 is fixedly connected, preferably in a threaded manner, with the piston rod of the cylinder 1.

The two ends of the connecting rod B42 are respectively hinged with the first clamping arm 21 and the body 44, and the two ends of the connecting rod C43 are respectively hinged with the second clamping arm 22 and the body 44.

In another preferred embodiment, as shown in fig. 2, the first clamping arm 21 is connected to the connecting rod B42 through a first driving rod 51, the two ends of the first driving rod 51 are respectively hinged to the first clamping arm 21 and the connecting rod B42, the second clamping arm 22 is connected to the connecting rod C43 through a second driving rod 52, and the two ends of the second driving rod 52 are respectively hinged to the second clamping arm 22 and the connecting rod C43.

By the arrangement of the first driving rod 51 and the second driving rod 52, the acting distance of the air cylinder 1 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 1 in clamping and straightening stretching is saved.

The working principle of the invention is as follows:

before the aluminum profile 6 is straightened and stretched, a piston rod of the cylinder 1 is in an extending state, and a distance larger than the width of the aluminum profile 6 is reserved between the first clamping arm 21 and the second clamping arm 22;

during straightening and stretching, one end of the aluminum profile 6 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 1 is started, a piston rod of the air cylinder 1 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 6;

the piston rod of the cylinder 1 continues to contract to achieve the effect of straightening and stretching the aluminum profile 6, so that the bending and the distortion of the aluminum profile 6 are eliminated, and the uneven stress of the aluminum profile 6 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.