Device for detecting tensile strength of aluminum alloy profile

Abstract

The utility model discloses an aluminum alloy section tensile strength detection device which comprises a stretching device, a lower clamping mechanism is arranged on the stretching device, and a stretching mechanism and an upper clamping mechanism are arranged on the upper portion of the stretching device. The lower clamping mechanism and the upper clamping mechanism are the same in structure. The lower clamping mechanism comprises a supporting seat and a supporting frame, a fan-shaped wheel is hinged to the supporting frame, and the distance between the hinged shaft of the fan-shaped wheel and the supporting frame and the upper end point and the lower end point of the fan-shaped edge is gradually increased; the fan-shaped wheel is provided with a clamping block with an adjustable position, and the clamping block is provided with a non-slip mat; the fan-shaped wheel is provided with a second hinged shaft, and a connector hinged to the second hinged shaft is arranged at the execution end of the double-head air cylinder; when tensile strength detection is completed, in the whole stretching process, gear tooth grooves of the clamping blocks and gear teeth of the fan-shaped wheel are stressed in a matched mode, relative displacement is avoided in the process, friction is small, and abrasion is not prone to occurring; and by adjusting the positions of the clamping blocks and the non-slip mats on the edges of the fan-shaped wheels, aluminum alloy sections of different sizes can be stretched, and the clamp has a large clamping opening range.

Description

TECHNICAL FIELD

[0001] The utility model belongs to section bar detection equipment technical field, concretely relates to a kind of aluminium alloy section bar tensile strength detection device. BACKGROUND

[0002] Aluminium alloy section bar as a kind of material widely used in various fields, its stability and safety of performance are directly related to the quality and safety of product.Tensile strength is one of important indexes to measure the ability of material to resist tensile failure, through tensile strength detection, can evaluate important parameters such as yield strength, tensile strength and elongation of aluminium alloy section bar in stress process.These data have important guiding significance for material selection, product design and process optimization, ensure that aluminium alloy section bar can withstand expected load in practical application, avoid safety accidents caused by insufficient material strength.

[0003] At present, when aluminium alloy section bar is detected for tensile strength, it needs to be clamped by clamp at both ends, generally aluminium alloy section bar sample is installed in wedge clamp, to ensure firm and symmetrical clamping, then stretch;But wedge clamp realizes clamping of object by the action of inclined surface of wedge block, is easy to wear;And the clamping opening of wedge clamp is relatively small, and the range of use is narrow. UTILITARY MODEL CONTENT

[0004] The utility model provides a kind of aluminium alloy section bar tensile strength detection device, complete tensile strength detection, during the whole stretching process, the force of the gear groove of clamping block and the gear of fan-shaped wheel is matched, there is no relative displacement during, small friction, not easy to wear;Different sizes of aluminium alloy section bar can be stretched by adjusting the position of clamping block and non-slip pad on the edge of fan-shaped wheel, the clamping has greater clamping opening range, to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of aluminium alloy section bar tensile strength detection device, including stretching equipment, be equipped with lower clamping mechanism on the stretching equipment, upper part is equipped with the stretching mechanism located above the lower clamping mechanism, the stretching mechanism is equipped with upper clamping mechanism;

[0006] The lower clamping mechanism and the upper clamping mechanism are the same structure, and mirror image is arranged;

[0007] The lower clamping mechanism includes support seat, support frame is equipped on the both sides of the support seat, fan-shaped wheel is hinged on the support frame, two fan-shaped wheels are mirror image arranged on the support seat, the distance between the hinged shaft of fan-shaped wheel and support frame gradually increases from upper end point to lower end point on fan-shaped side;

[0008] Fan-shaped wheel is equipped with clamping block on the edge, and the position of clamping block can be adjusted along the edge, non-slip pad is equipped on the clamping block;

[0009] The lower end surface of the sector gear is provided with a second hinge shaft, and a double-head air cylinder is arranged between two opposite sector gears, and the execution end of the double-head air cylinder is provided with a connecting head hinged to the second hinge shaft.

[0010] Preferably, the stretching mechanism comprises two guide rails and a lifting platform arranged between the two guide rails, a screw lifting mechanism is arranged in the guide rail to drive the lifting platform to lift, and the upper clamping mechanism is fixedly arranged on the bottom surface of the lifting platform.

[0011] Preferably, a reinforcing rib plate is arranged between the guide rail and the stretching device.

[0012] Preferably, the sector gear is provided with equidistantly spaced gear teeth along the edge, and is also provided with mounting holes I corresponding to the gear teeth one by one, the clamping block is provided with gear tooth grooves corresponding to at least two gear teeth, and the clamping block is fixed on the sector gear through two mounting holes II and screws.

[0013] Preferably, the sector gear, the gear teeth and the clamping block are all made of high-hardness wear-resistant alloy material.

[0014] Preferably, the anti-skid pad is provided with a plurality of grooves, and the clamping block is fixedly connected in the grooves through fastening screws.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. When the tensile strength detection is completed, the gear tooth groove of the clamping block and the gear tooth of the sector gear are stressed in cooperation during the whole stretching process, and relative displacement does not occur during the period, the friction is small, and the wear is not easy.

[0017] 2. By adjusting the positions of the clamping block and the anti-skid pad on the edge of the sector gear, different sizes of aluminum alloy profiles can be stretched, and the clamping block has a larger clamping range.

[0018] 3. By disassembling the anti-skid pad on the clamping block, the anti-skid pad of corresponding profiling design can be replaced, and different models of aluminum profiles can be stretched. DRAWINGS

[0019] Figure 1 It is a front view structural schematic diagram of the utility model;

[0020] Figure 2 It is a clamping mechanism structural schematic diagram of the utility model;

[0021] Figure 3 It is a sector gear, clamping block and anti-skid pad connecting structure schematic diagram of the utility model;

[0022] Figure 4 It is a clamping block and anti-skid pad sectional view structural schematic diagram of the utility model.

[0023] In the figure: 1, stretching equipment; 2, lower clamping mechanism; 3, upper clamping mechanism; 4, support seat; 5, support frame; 6, fan-shaped wheel; 7, hinged shaft; 8, clamping block; 9, non-slip pad; 10, second hinged shaft; 11, double-head air cylinder; 12, connecting head; 13, guide rail; 14, lifting platform; 15, reinforcing rib plate; 16, wheel tooth; 17, mounting hole one; 18, wheel tooth groove; 19, mounting hole two; 20, screw; 21, groove; 22, fastening screw. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Please refer to Figures 1-4The utility model provides a kind of aluminium alloy profile tensile strength detection device, including stretching equipment 1, stretching equipment 1 is equipped with lower clamping mechanism 2, upper portion is equipped with the stretching mechanism located above lower clamping mechanism 2, stretching mechanism is equipped with upper clamping mechanism 3;Lower clamping mechanism 2 with The structure of upper clamping mechanism 3 is same, and mirror image setting;Lower clamping mechanism 2 includes support seat 4, support seat 4 both sides are equipped with support frame 5, support frame 5 is hingedly equipped with sector gear 6, two the sector gear 6 mirror image setting is on support seat 4, the hinging shaft 7 distance sector gear 6 with support frame 5 gradually increases from sector edge upper end point to lower end point distance;The edge of sector gear 6 is equipped with the clamping block 8 that can be adjusted position along edge, the anti-skid pad 9 is equipped on clamping block 8;Second hinging shaft 10 is equipped on the lower end surface of sector gear 6, and double-head cylinder 11 is equipped between two opposite sector gear 6, and the connecting head 12 that is hinged with second hinging shaft 10 is equipped in the execution end of double-head cylinder 11;When using, according to the length of product, the height of lifting platform 14 and upper clamping mechanism 3 is adjusted, and the both ends of product are clamped by clamp;Specific clamping process is, by double-head cylinder 11 synchronous driving two sector gear 6 rotates around respective hinging shaft 7, and then two clamping blocks 8, anti-skid pad 9 gradually reduce spacing to set position, realize the clamping of anti-skid pad 9 to aluminium profile end portion;When completing tensile strength detection by driving upper clamping mechanism 3 to stretch upwards, in the whole stretching process, clamping block 8 and sector gear 6 cooperate stress, and there is no relative displacement during, and friction is small, and it is not easy to wear and tear;When stretching aluminium alloy profile of different sizes, the position of clamping block 8, anti-skid pad 9 on the edge of sector gear 6 can be adjusted, since hinging shaft 7 distance sector edge upper end point to lower end point distance gradually increases, so by double-head cylinder 11 synchronous driving two sector gear 6 rotates around respective hinging shaft 7, and then two clamping blocks 8, anti-skid pad 9 gradually reduce spacing to set position, the spacing of two sides anti-skid pad 9 will change accordingly, realize the clamping of aluminium alloy profile of different sizes.

[0026] Specifically, the stretching mechanism includes two guide rails 13 and a lifting platform 14 located between the two guide rails 13, the guide rail 13 is equipped with a lead screw lifting mechanism for driving the lifting platform 14 to lift, and the upper clamping mechanism 3 is fixedly installed on the bottom surface of the lifting platform 14.

[0027] Specifically, the guide rail 13 is equipped with a reinforcing rib plate 15 between the stretching equipment 1; in this embodiment, the connection strength between the guide rail 13 and the stretching equipment 1 can be improved by the reinforcing rib plate 15.

[0028] Specifically, the fan-shaped wheel 6 is provided with equidistantly spaced teeth 16 along the edge, and is also provided with mounting holes 17 corresponding to the teeth 16; the clamping block 8 is provided with tooth grooves 18 corresponding to at least two teeth 16, and is provided with two mounting holes 19 and is fixed on the fan-shaped wheel 6 through screws 20; in this embodiment, when stretching aluminum alloy profiles of different sizes, the screws 20 can be removed to adjust the clamping block 8 and the non-slip pad 9 to be fixed on other teeth 16, so as to adjust the position of the clamping block 8 and the non-slip pad 9 on the edge of the fan-shaped wheel 6; since the distance between the hinge shaft 7 and the upper end point and the lower end point of the fan-shaped edge gradually increases, the double-headed air cylinder 11 synchronously drives the two fan-shaped wheels 6 to rotate around the respective hinge shafts 7, and then the two clamping blocks 8 and the non-slip pads 9 are gradually reduced in distance to the set position; the distance between the two non-slip pads 9 changes accordingly, and the clamping of aluminum alloy profiles of different sizes is realized.

[0029] Specifically, the fan-shaped wheel 6, the teeth 16 and the clamping block 8 are all made of high-hardness wear-resistant alloy material; in this embodiment, the strength of the fan-shaped wheel 6, the teeth 16 and the clamping block 8 during stretching is increased, so as to prevent stretching deformation and be more stable and durable.

[0030] Specifically, the non-slip pad 9 is provided with a plurality of grooves 21, and the clamping block 8 is fixedly connected in the grooves 21 through fastening screws 22; in this embodiment, when stretching aluminum profiles of different models, the non-slip pad 9 can be removed from the clamping block 8 by unscrewing the fastening screws 22, and the corresponding profiled non-slip pad 9 can be replaced, so as to realize clamping and stretching.

[0031] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process will be described in detail below.

[0032] Working principle: when in use, according to the length of the product, the height of the lifting platform 14 and the upper clamping mechanism 3 is adjusted, and the two ends of the product are clamped through the clamp;

[0033] Specific clamping process: the double-headed air cylinder 11 synchronously drives the two fan-shaped wheels 6 to rotate around the respective hinge shafts 7, and then the two clamping blocks 8 and the non-slip pads 9 are gradually reduced in distance to the set position, so as to realize the clamping of the non-slip pad 9 on the end of the aluminum profile;

[0034] The tensile strength detection is completed when the lifting platform 14 drives the upper clamping mechanism 3 to stretch upward; during the entire stretching process, the tooth grooves 18 of the clamping block 8 and the teeth 16 of the fan-shaped wheel 6 are matched and stressed, and no relative displacement occurs during the period, the friction is small, and the clamping block 8 is not easy to wear;

[0035] When stretching aluminum alloy profiles of different sizes, the clamping blocks 8 and the non-slip pads 9 can be adjusted and fixed on the other gear teeth 16 by removing the screws 20, thereby adjusting the positions of the clamping blocks 8 and the non-slip pads 9 on the edges of the sector wheels 6. Since the distance between the hinge shafts 7 and the upper end points and the lower end points of the sector edges gradually increases, the two sector wheels 6 are synchronously driven to rotate around the respective hinge shafts 7 by the double-head air cylinders 11, thereby gradually reducing the distance between the two clamping blocks 8 and the non-slip pads 9 to the set position. The distance between the non-slip pads 9 on both sides changes accordingly, and the clamping of aluminum alloy profiles of different sizes is realized.

[0036] When stretching aluminum profiles of different types, the non-slip pads 9 can be removed from the clamping blocks 8 by unscrewing the fastening screws 22, and the corresponding profiled non-slip pads 9 can be replaced, thereby realizing clamping and stretching.

[0037] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for testing the tensile strength of an aluminium alloy profile, comprising a tensile apparatus (1), characterised in that, The stretching device (1) is provided with a lower clamping mechanism (2), and an upper clamping mechanism (3) is arranged above the lower clamping mechanism (2). The lower clamping mechanism (2) and the upper clamping mechanism (3) are the same in structure and are mirror images. The lower clamping mechanism (2) comprises a support seat (4), and support frames (5) are arranged on both sides of the support seat (4). The support frames (5) are hingedly connected with sector-shaped wheels (6), and the sector-shaped wheels (6) are mirror images arranged on the support seat (4). The distance between the hinging shaft (7) of the support frame (5) and the upper end point to the lower end point of the sector-shaped wheel (6) gradually increases.

2. The apparatus for testing the tensile strength of an aluminum alloy profile according to claim 1, wherein A clamping block (8) is arranged on the edge of the sector-shaped wheel (6) and can be adjusted in position.

3. The apparatus for testing the tensile strength of an aluminum alloy section according to claim 2, wherein A second hinging shaft (10) is arranged on the lower end surface of the sector-shaped wheel (6).

4. The apparatus for testing the tensile strength of an aluminum alloy shape according to claim 1, wherein A double-head air cylinder (11) is arranged between the sector-shaped wheels (6), and the execution end of the double-head air cylinder (11) is provided with a connecting head (12) hingedly connected with the second hinging shaft (10).

5. The apparatus of claim 4, wherein the apparatus further comprises a plurality of rollers disposed between the first and second clamps and configured to move the aluminum alloy shape along the path. The stretching mechanism comprises two guide rails (13) and a lifting platform (14) arranged between the two guide rails (13).

6. The apparatus of claim 1, wherein The guide rails (13) are internally provided with a lead screw lifting mechanism for driving the lifting platform (14) to lift. The upper clamping mechanism (3) is fixedly arranged on the bottom surface of the lifting platform (14). The guide rails (13) and the stretching device (1) are provided with reinforcing rib plates (15). The sector-shaped wheel (6) is provided with equidistantly spaced gear teeth (16) along the edge. The clamping block (8) is provided with gear tooth grooves (18) corresponding to at least two gear teeth (16). The clamping block (8) is provided with two mounting holes (19) and is fixed on the sector-shaped wheel (6) through screws (20). The sector-shaped wheel (6), the gear teeth (16) and the clamping block (8) are all made of high-hardness wear-resistant alloy material. The anti-skid pad (9) is provided with a plurality of grooves (21), and the clamping block (8) is fixedly connected in the grooves (21) through fastening screws (22).

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