CN209318523U - A kind of tension straingtening equipment and cushion block - Google Patents

Abstract

This application discloses a kind of cushion block, including strip cushion block main body, the left and right side of the cushion block main body is each perpendicular to bottom surface, and the two sides of the bottom surface are equipped with the positive stop lug boss that can be clamped with the indentation, there of grooved section；Weight loss groove is equipped in the middle part of the top and bottom of the cushion block main body, the inside of the cushion block main body is provided through lightening hole, and the weight loss groove and the lightening hole extend along the length direction of the cushion block main body.Cushion block provided herein, cushion block is placed between the both walls of grooved section, profile is rotated around the longitudinal axis so that the lateral surface of the side wall of grooved section is placed in upper and lower direction and is placed between upper and lower nipper, after upper and lower nipper clamping, the tension straingtening to whole profile is realized by stretch to the side wall for accounting for the big portion of profile sectional area, to eliminate the bending defect of profile, quenched residual stress can also be reduced or eliminated to the profile being quenched.

Description

A kind of tension straingtening equipment and cushion block

Technical field

This application involves stretcher fields, more particularly to a kind of tension straingtening equipment and cushion block.

Background technique

The big specification aluminium of large-scale or heavy type extruder production line production closes grooved profile, and big, quenching distortion is bent after extrusion Technical standard requirement cannot be reached by causing curvature, torsion to twist degree greatly, meanwhile, it is quenched the aluminum alloy groove-shaped section of heat treatment, because Rapid cooling when quenching, there are biggish quenched residual stress for metal inside.It is curved therefore, it is necessary to be eliminated by tension straingtening Bent, torsion twists defect and reduces or eliminates quenched residual stress.

In the prior art, for side wall and the grooved profile that bottom beam is rectangular or side wall tilt angle is little, general behaviour It is as method: the bottom surface of nipper clamping section and the top surface of side wall can be used directly when stretching to profile tension straingtening；For width Big grooved profile is spent, rectangle cushion block can be filled in the slot of profile, makes bottom beam stress simultaneously.

Operating method above-mentioned is limited in that, is the grooved profile for being inclined outwardly larger angle for side wall, is directly used The bottom surface of nipper clamping section blank and the top surface of side wall, side wall can deform and deflect outward and cannot form rigid support, Cause nipper plate that cannot effectively be clamped to profile；And when filling rectangle cushion block in the slot of profile workblank, due to side wall Deflection is generated because of top surface stress, chucking power largely acts on the bottom surface of the upper plane of cushion block and the bottom beam of grooved profile.This When, the frictional force that stretched operation mainly passes through between nipper plate and cushion block and bottom beam binding face stretches profile workblank, when When bottom beam section is too small, then its intensity is not enough to support stretch whole profile workblank needed for pulling force, bottom beam part easy fracture and Causing to stretch not can be carried out.

To sum up, how to be to be inclined outwardly the grooved profile of larger angle to carry out effective tension straingtening to side wall, eliminate bending, Turning round stubborn defect and reducing or eliminating quenched residual stress is current those skilled in the art technical problem urgently to be resolved.

Apply for content

The purpose of the application is to provide a kind of tension straingtening equipment and cushion block, for being to be inclined outwardly larger angle to side wall Grooved profile carry out effective tension straingtening the profile being quenched can also be reduced or eliminated with eliminating the bending defect of profile Quenched residual stress.

To achieve the above object, the application provides the following technical solutions:

A kind of cushion block, including strip cushion block main body, the left and right side of the cushion block main body are each perpendicular to bottom surface, the bottom The two sides in face are equipped with the positive stop lug boss that can be clamped with the indentation, there of grooved section；In the top and bottom of the cushion block main body Portion is equipped with weight loss groove, and the inside of the cushion block main body is provided through lightening hole, the weight loss groove and the equal edge of the lightening hole The length direction of the cushion block main body extends.

Preferably, the positive stop lug boss is an integral molding structure with the cushion block main body.

Preferably, the number of the positive stop lug boss is at least four, and the two sides of the cushion block main body are respectively provided at least two, And the positive stop lug boss for being located at cushion block body width two sides is symmetrical arranged.

Preferably, the two sides of the top surface of the cushion block main body in the width direction are equipped with chamfering.

Preferably, the cushion block main body includes gripping section and non-clamping section, and the positive stop lug boss is each provided at the gripping section On, also, at least two positive stop lug boss are concordant with the end of the gripping section, at least two positive stop lug boss with it is described The distance of non-clamping section of end is 80-150mm.

A kind of tension straingtening equipment, including above-mentioned cushion block.

It preferably, further include nippers for clamping grooved section and nipper plate, for installing the nippers Guide base, the lower guide base for installing the nipper plate, and for driving the grooved section tension straingtening before Stretching head and post-tensioning extension head.

Cushion block provided herein, including strip cushion block main body, the left and right side of the cushion block main body are each perpendicular to Bottom surface, the two sides of the bottom surface are equipped with the positive stop lug boss that can be clamped with the indentation, there of grooved section；The top of the cushion block main body Weight loss groove is equipped in the middle part of face and bottom surface, the inside of the cushion block main body is provided through lightening hole, the weight loss groove and institute Lightening hole is stated to extend along the length direction of the cushion block main body.The cushion block, cushion block are placed between the both walls of grooved section, will Profile is rotated around the longitudinal axis so that the lateral surface of the side wall of grooved section is placed between upper and lower direction is placed in upper and lower nipper, above and below After nipper clamping, side wall medial surface, lateral surface are parallel with the clamping face of upper and lower nipper, by the stretching to side wall, drive whole The stretching of profile, including the tension straingtening to bottom beam, by stretch realizing to the side wall for accounting for the big portion of profile sectional area It is residual can also to reduce or eliminate quenching to the profile being quenched to eliminate the bending defect of profile for tension straingtening to whole profile Residue stress.

Tension straingtening equipment provided herein is equipped with above-mentioned cushion block, since the cushion block has above-mentioned technique effect, Therefore, the tension straingtening equipment equipped with the cushion block should also be as having corresponding technical effect.

Detailed description of the invention

In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.

Fig. 1 is a kind of structural schematic diagram of specific embodiment of grooved section provided herein；

Fig. 2 is a kind of structural schematic diagram of specific embodiment of cushion block provided herein；

Fig. 3 is the clamping process schematic diagram of tension straingtening equipment provided herein；

Fig. 4 is a kind of assembling schematic diagram of specific embodiment of tension straingtening equipment provided herein；

Wherein: grooved section 1, bottom beam 11, side wall 12, slot 13, lateral surface 14, medial surface 15, top surface 16, bottom surface 17；Pad Block 2, weight loss groove 21, lightening hole 22, chamfering 23, positive stop lug boss 24, non-clamping section 25, gripping section 26；It is tension straingtening equipment 3, preceding Stretching head 31, nippers 32, nipper plate 33, upper guide base 34, lower guide base 35, post-tensioning extension head 36, push rod 37.

Specific embodiment

The core of the application is to provide a kind of tension straingtening equipment and cushion block, for being to be inclined outwardly larger angle to side wall Grooved profile carry out effective tension straingtening the profile being quenched can also be reduced or eliminated with eliminating the bending defect of profile Quenched residual stress.

In order to make those skilled in the art more fully understand application scheme, with reference to the accompanying drawings and detailed description The application is described in further detail.

Please refer to figs. 1 to 4, and Fig. 1 is a kind of structural representation of specific embodiment of grooved section provided herein Figure；Fig. 2 is a kind of structural schematic diagram of specific embodiment of cushion block provided herein；Fig. 3 is drawing provided herein Stretch the clamping process schematic diagram of straightening equipment；Fig. 4 is a kind of specific embodiment of tension straingtening equipment provided herein Assembling schematic diagram.

In this embodiment, cushion block is suitable for the stretching of the grooved section 1 including bottom beam 11 and two side walls 12, bottom beam Slot 13 is formed between 11 and two side walls 12, specifically, 13 shape profile of large-size aluminum alloy slot provided by this example refers to The 13 shape profile of aluminum alloy trough of large size or the heavy type extruder production of 5000 tons and the above tonnage, maximum width reach 300mm or more, Maximum height 80mm or more.

The cushion block 2 of tension straingtening equipment 3, including strip cushion block main body, the left and right side of cushion block main body are each perpendicular to Bottom surface 17, the two sides of bottom surface 17 are equipped with the positive stop lug boss 24 that can be clamped with the indentation, there of grooved section 1；The top surface of cushion block main body 16 and the middle part of bottom surface 17 be equipped with weight loss groove 21, the inside of cushion block main body is provided through lightening hole 22, weight loss groove 21 and subtracts Repeated hole 22 extends along the length direction of cushion block main body.

On the basis of the respective embodiments described above, positive stop lug boss 24 is an integral molding structure with cushion block main body.

On the basis of the respective embodiments described above, the number of positive stop lug boss 24 is at least four, and the two sides of cushion block main body are respectively set Have at least two, and the positive stop lug boss 24 for being located at cushion block body width two sides is symmetrical arranged.

On the basis of the respective embodiments described above, the two sides of the top surface 16 of cushion block main body in the width direction are equipped with chamfering 23。

On the basis of the respective embodiments described above, cushion block main body includes gripping section 26 and non-clamping section 25, positive stop lug boss 24 It is each provided on gripping section 26, also, at least two positive stop lug boss 24 are concordant with the end of gripping section 26, at least two positive stop lug boss 24 be 80-150mm at a distance from non-clamping section of 25 ends.

In addition to above-mentioned cushion block 2, present invention also provides a kind of tension straingtening equipment 3.

The tension straingtening equipment 3 includes cushion block 2, the nippers 32 for clamping grooved section 1 and nipper plate 33, for pacifying Upper guide base 34, the lower guide base 35 for installing nipper plate 33 for loading onto nipper 32, and for driving grooved section 1 Preceding stretching head 31 and the post-tensioning extension head 36 of tension straingtening.Other Each parts of the tension straingtening equipment 3 please refer to existing skill Art, repeats no more herein.

Specifically, by taking 1500 tons of tension straingtening equipment 3 carry out tension straingtening as an example, tension straingtening equipment 3 along longitudinal direction on set Stretching head 31, post-tensioning extension head 36 before being equipped with.Each stretching head be respectively provided with guide base 34, lower guide base 35, nippers 32, Nipper plate 33.Upper guide base 34, lower guide base 35 and nippers 32, nipper plate 33 are provided with guiding surface.Upper guiding base The guiding surface of seat 34 and the guiding surface of nippers 32 cooperate；The guiding surface of lower guide base 35 and the guiding of nipper plate 33 Inclined-plane cooperation.Stretching head is provided with upper push-rod 37, lower push-rod 37, and upper push-rod 37 is connect with nippers 32, lower push-rod 37 and lower pincers Plate 33 connects.Grasping part is formed between nippers 32, nipper plate 33, the height in the space, i.e. opening degree can be in a certain ranges Interior adjusting, to adapt to the height of profile workblank, it is ensured that the end of profile workblank can be fed to the sky between nippers 32, nipper plate 33 Between, and nippers 32, nipper plate 33 can be made to be formed and be clamped to the latter.When stretching, one end stretching head is relatively fixed, and the other end is opposite It is mobile.Opening degree between nippers 32, nipper plate 33 is that nipper is pushed or pulled on by push rod 37, and nipper is slided along guiding surface and carried out It adjusts.When stretching, along longitudinal direction on, the both ends of profile workblank are respectively placed between stretching head nippers 32, nipper plate 33.Type One end of material blank is clamped by the nippers 32 of preceding stretching head 31, nipper plate 33, the other end be pulled extension head 36 nippers 32, Nipper plate 33 clamps, and as moveable stretching head persistently moves, the distance between two stretching heads is gradually increased, correspondingly, profile Blank is elongated, to realize every straightening function above-mentioned and purpose.

By taking this example as an example, as shown in Fig. 2, profile width 390mm, height 92mm, 12 wall thickness 50mm of side wall, bottom beam 11 is thick 30 degree of 12mm, side wall 12 and vertical angular separation, the symmetrical layout of profile, there are two two side walls of side wall 12 and connection for setting The bottom beam 11 of 12 bottom inside faces 15, two side walls 12, the bottom surface 17 of bottom beam 11 are coplanar, which is also the bottom surface 17 of profile. The top surface 16 of side wall 12, profile bottom surface 17 can be parallel, can also be not parallel.The medial surface 15 of side wall 12 is parallel with lateral surface 14. 15/ lateral surface 14 of medial surface of side wall 12 and the angle of vertical direction are greater than 15 degree, this example is 30 degree.The type of the application application The width of material is not less than three times of the height of profile, and the width of this example profile is 390mm, height 92mm.The application application The wall thickness of the side wall 12 of profile is not less than two times of the wall thickness of bottom beam 11, and the wall thickness of this example side wall 12 is 50mm, bottom beam 11 Wall thickness 12mm.The sectional area of side wall 12 is not less than the 70% of 13 shape profile total sectional area of slot, this example is 83%.

Tension straingtening method provided by the present embodiment are as follows:

The bottom beam 11 for the both ends certain length range for being used to clamp on 13 shape profile workblank longitudinal direction of slot is removed, i.e., in profile Notch is formed within the scope of one segment length of both ends, machine cuts or welding arc cutting may be selected in the mode of removal.The length of removal is optional, It is preferred that 500-800mm；Notch at profile workblank both ends places cushion block 2；2 shape of cushion block above-mentioned is elongated, and length is optional, It is preferred that 400-600mm, this example is 450mm；Two sides of cushion block 2 are plane；Cushion block 2 top surface 16, bottom surface 17 along longitudinal direction On be provided with weight loss groove 21, the size of weight loss groove 21 is unlimited；Be provided with lightening hole 22 in the middle part of 2 section of cushion block, the direction in hole with The longitudinal direction of cushion block 2 is identical, and the shape in hole is unlimited, preferably circular hole, and the size in hole is optional, and the quantity in hole is optional, does not make herein into one Step limits.

Width, that is, two sides distance of cushion block 2 is suitable with the minimum widith of notch of aforementioned profile workblank end, smaller In notch, in order to which cushion block 2 is put into, and deformation of the side wall 12 in clamping can be reduced as far as possible；The two of 2 top surface of cushion block, 16 width There is chamfering 23 in side, in order to which cushion block 2 is easier to be packed into notch；The bottom of cushion block 2 is provided with positive stop lug boss 24, the shape of positive stop lug boss 24 Shape is optional, preferably cuboid；The size of positive stop lug boss 24 is optional, to mitigate 2 weight of cushion block, the preferably thickness of positive stop lug boss 24 10mm；The quantity of positive stop lug boss 24 is optional, preferably each 2 of two sides；Positive stop lug boss 24 and 2 overall processing of cushion block shape, same to lateral confinement The spacing of position boss 24 is optional, preferably 100-200mm, one of positive stop lug boss 24, the preferably end with the gripping section 26 of cushion block 2 Head alignment；Another positive stop lug boss 24 is located in 26 range of gripping section apart from another end 80-150mm, and in the longitudinal direction, to keep away Exempt to interfere when taking out cushion block 2 with clamping device.

What needs to be explained here is that gripping section 26 refers to that this section needs to cooperate with the barbed portion of profile workblank, non-folder It holds section 25 to refer to being held in except profile length on this section of longitudinal direction, not contacted with profile workblank.

To improve production efficiency convenient for operation, labor intensity is reduced, the weight of cushion block 2 should give control, preferably single-piece weight Amount is not more than 25Kg.

Before upper 33 clamping section blank end of nipper plate, cushion block 2 is first put into notch, method are as follows:

Profile workblank is rotated by 90 ° with the longitudinal axis, above and below side wall 12 is respectively placed in, i.e. the bottom surface 17 of profile workblank Vertical direction is adjusted to by horizontal direction；

Cushion block 2 is put into notch from 17 side of profile workblank bottom surface, until the bottom of positive stop lug boss 24 and the side wall 12 of indentation, there Face 17 contacts, which can avoid the cushion block 2 in mobile profile workblank and fall from notch；

On longitudinal direction, kept for non-clamping section 25 of cushion block 2 except notch, to have stretched the rear bite that provides to take out Cushion block 2；

Cushion block 2 deploys, and operates equipment, reduces the distance between upper and lower nipper 33, the end of clamping section blank makes Side wall 12 deflects under the pressure of upper and lower nipper 33, until the medial surface 15 of side wall 12 is bonded with cushion block 2, lateral surface 14 It is bonded with the flank of tooth of upper and lower nipper 33；Mobile activity stretching head, carries out tension straingtening to profile workblank, until it meets stretching Aligning requires.

What needs to be explained here is that profile workblank is before clamping, bottom beam 11 is in horizontality, and the length side of profile To the extending direction for referring to profile, the width direction of profile refers to that 17 width direction of bottom surface of profile, the short transverse of profile are Refer to the direction perpendicular to bottom surface 17, when profile is in clamping, after rotating, the size of above-mentioned length, width and height should be remained unchanged.

Specifically, the grooved section drawing process the following steps are included:

Step S1: notch is opened up to the both ends of the bottom beam 11 of grooved section 1 along its length；

Step S2: grooved section 1 is rotated as axis to two side walls 12 to the top for being located at bottom beam 11 using length direction The lower section and；

Step S3: the cushion block 2 for being equipped with positive stop lug boss 24 is put into the slot 13 of grooved section 1 by notch, and to limit 12 bottom surface 17 of side wall of boss 24 and grooved section 1 is clamped；

Step S4: the grooved section 1 for being equipped with cushion block 2 is put into the nippers 32 and nipper plate 33 of tension straingtening equipment 3 Between, and tension straingtening equipment 3 is opened to reduce the distance between nippers 32 and nipper plate 33, so that two side walls 12 is interior Side 15 torsion to and cushion block 2 fitting, side wall 12 lateral surface 14 torsion to the tooth of corresponding nippers 32 or nipper plate 33 Face paste is closed；

Step S5: tension straingtening is carried out to grooved section 1.

On the basis of the respective embodiments described above, step S1 specifically: cut groove profile type using machine cuts or welding arc The bottom beam 11 of material 1 forms notch, also, the length of notch is 500-800mm.

On the basis of the respective embodiments described above, in step S3, the gripping section 26 of cushion block 2 is located in notch, cushion block 2 it is non- Gripping section 25 is located at the outside of notch.

Tension straingtening equipment provided herein and cushion block are described in detail above.It is used herein specifically The principle and implementation of this application are described for a example, the application that the above embodiments are only used to help understand Method and its core concept.It should be pointed out that for those skilled in the art, not departing from the application original Under the premise of reason, can also to the application, some improvement and modification can also be carried out, these improvement and modification also fall into the application right and want In the protection scope asked.

Claims (7)

1. a kind of cushion block, which is characterized in that including strip cushion block main body, the left and right side of the cushion block main body is each perpendicular to bottom Face (17), the two sides of the bottom surface (17) are equipped with the positive stop lug boss (24) that can be clamped with the indentation, there of grooved section (1)；It is described It is equipped with weight loss groove (21) in the middle part of the top surface (16) and bottom surface (17) of cushion block main body, the inside of the cushion block main body is through setting Have lightening hole (22), the weight loss groove (21) and the lightening hole (22) extend along the length direction of the cushion block main body.

2. cushion block according to claim 1, which is characterized in that the positive stop lug boss (24) is integrated with the cushion block main body Molding structure.

3. cushion block according to claim 1, which is characterized in that the number of the positive stop lug boss (24) is at least four, described The two sides of cushion block main body are respectively provided at least two, and the positive stop lug boss (24) for being located at cushion block body width two sides is right Claim setting.

4. cushion block according to claim 1, which is characterized in that the top surface (16) of the cushion block main body in the width direction two Side is equipped with chamfering (23).

5. cushion block according to claim 1, which is characterized in that the cushion block main body includes gripping section (26) and non-clamping section (25), the positive stop lug boss (24) is each provided on the gripping section (26), also, at least two positive stop lug boss (24) and institute The end for stating gripping section (26) is concordant, and at least two positive stop lug boss (24) are at a distance from described non-clamping section of (25) end 80-150mm。

6. a kind of tension straingtening equipment, including cushion block (2), which is characterized in that the cushion block (2) is that claim 1 to 5 is any one Cushion block described in.

7. tension straingtening equipment according to claim 6, which is characterized in that further include for clamping grooved section (1) Nippers (32) and nipper plate (33), the upper guide base (34) for installing the nippers (32), for install it is described under The lower guide base (35) of nipper (33), and for drive the grooved section (1) tension straingtening preceding stretching head (31) and Post-tensioning stretches head (36).