CN112985975A

CN112985975A - Tension detection test bed

Info

Publication number: CN112985975A
Application number: CN202110163529.5A
Authority: CN
Inventors: 刘黎黎
Original assignee: Daytone Electronics Shenzhen Co ltd
Current assignee: Shenzhen Detongxing Electronics Co.,Ltd.
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-06-18
Anticipated expiration: 2041-02-05
Also published as: CN112985975B

Abstract

The utility model relates to a tensile force test bench relates to tensile force test equipment's technical field, and it includes the organism, and the guide bar of two sets of vertical settings of top fixedly connected with of organism slides on the guide bar and is provided with two sets of positive sliding seats from top to bottom, and the mutual just right one side fixedly connected with of sliding seat is used for pressing from both sides the tensile force jack catch of tight work piece, its characterized in that: the machine body is provided with a material taking assembly on one side opposite to the tension claws, an auxiliary material clamping piece is arranged between the two groups of tension claws, and a material feeding assembly is arranged on one side, away from the material taking assembly, of the auxiliary material clamping piece. This application has the effect that improves work piece and change efficiency.

Description

Tension detection test bed

Technical Field

The application relates to the field of tension detection equipment, in particular to a tension detection test bed.

Background

The tension detection test bed is a mechanical stress tester for testing mechanical properties of various materials such as static load, tension, compression, bending, shearing, tearing, peeling and the like of instruments and equipment, and is suitable for testing the mechanical properties of materials such as pipes, wires, cables, steel and the like.

Among the correlation technique, the tensile force test bench includes the organism, and organism top fixedly connected with two sets of vertical guide bars, the last slip of guide bar is provided with the just right sliding seat from top to bottom, and the equal fixedly connected with in the just right one side of two sliding seats each other is used for pressing from both sides the tensile force jack catch of tight work piece, and the organism is inside to be provided with and to be used for driving the driving piece that two sliding seats slided relatively or deviate from each other. When the tensile test is carried out, a workpiece is placed between the two sliding seats firstly, the two ends of the workpiece are clamped by the tensile clamping jaws, the driving piece drives the two sliding seats to deviate from each other until the workpiece is broken, and after the workpiece is broken, an operator manually takes down the broken workpiece and then replaces the new workpiece to be tested.

In view of the above-mentioned related technologies, the inventor believes that the workpiece is broken into two parts after the test is completed, and an operator needs to take off the two workpieces when replacing the workpiece, which results in a defect of low workpiece replacement efficiency.

Disclosure of Invention

In order to improve work piece replacement efficiency, this application provides a tensile force detection test bench.

The application provides a tensile force detection test bench adopts following technical scheme:

the utility model provides a tensile force test bench, includes the organism, the guide bar of two sets of vertical settings of top fixedly connected with of organism, two sets of right sliding seat about sliding on the guide bar and being provided with, the mutual just right one side fixedly connected with of sliding seat is used for pressing from both sides the tensile force jack catch of tight work piece, its characterized in that: a material taking assembly is arranged on one side, opposite to the pulling force clamping jaws, of the machine body, an auxiliary material clamping piece is arranged between the two groups of pulling force clamping jaws, and a material feeding assembly is arranged on one side, away from the material taking assembly, of the auxiliary material clamping piece;

the material taking assembly comprises two groups of elastic clamps which are arranged along the vertical direction and a driving piece which drives the elastic clamps to horizontally move towards a workpiece, a clamping opening of each elastic clamp is over against a connecting line between the two groups of tension claws, one side of each elastic clamp, which is close to the tension claws, is closed, and one side of each elastic clamp, which is far away from the tension claws, is open;

the auxiliary material clamping piece comprises two groups of auxiliary material clamping blocks and an auxiliary connecting rod for fixing the auxiliary material clamping blocks and the machine body relatively, the two groups of auxiliary material clamping blocks are horizontally opposite to the elastic clamp, each group of auxiliary material clamping blocks comprises two horizontally opposite auxiliary material clamping blocks, one surfaces of the two auxiliary material clamping blocks in each group, which are opposite to each other, are obliquely arranged, and the distance between the two auxiliary material clamping blocks is gradually increased along the direction departing from the material taking assembly;

the feeding assembly comprises two feeding blocks and a feeding connecting rod for fixing the two feeding blocks and the machine body, the two feeding blocks are horizontally aligned with the two groups of auxiliary clamping blocks respectively, the horizontal sections of the feeding blocks are triangular, and one corner of the feeding blocks is aligned with the auxiliary clamping blocks.

By adopting the technical scheme, when a workpiece is subjected to a tension test, the two ends of the workpiece are clamped by the tension claws, then the driving mechanism in the machine body drives the two tension claws to deviate from each other, the workpiece is stretched until the workpiece is broken, after the test is finished, the driving part drives the two elastic clamps to be horizontally close to the two broken parts of the workpiece, when the clamping openings of the elastic clamps are close to the auxiliary clamping blocks, the clamping parts of the elastic clamps penetrate through the two auxiliary clamping blocks, when the opening parts of the elastic clamps reach the auxiliary clamping blocks, the elastic clamps are extruded by the auxiliary clamping blocks to open the clamping parts, so that the clamping parts of the elastic clamps can clamp the workpiece, along with the continuous horizontal movement of the elastic clamps, as the surfaces, which are opposite to each other, of the auxiliary clamping blocks are inclined surfaces, the contact force between the opening parts of the elastic clamps and the two auxiliary clamping blocks is smaller and smaller, and the elastic clamps are, the workpiece is separated from the tension claw, when the end of the elastic clamp reaches the feeding block, the triangular section of the feeding block enables the elastic clamp to be opened again until the elastic clamp is opened to the point that the workpiece cannot be clamped, the workpiece falls automatically at the moment, automatic blanking of the tested workpiece is achieved, manual material taking by workers is not needed, and workpiece replacement efficiency is improved.

Optionally, the edge positions of three sides of the machine body are all fixedly connected with a protective net, and the driving part, the auxiliary connecting rod and the feeding connecting rod are all fixedly connected with the protective net.

Through adopting above-mentioned technical scheme, the setting up of protection network can play the effect of sheltering from to the flying dust that produces in the test procedure to improve the security of test procedure, and the protection network can provide the mounted position, make the installation of getting material subassembly, supplementary clamp material spare and pay-off subassembly comparatively reliable and stable.

Optionally, the driving part is a cylinder, a piston rod of the cylinder horizontally faces a connecting line between the two groups of tension claws, a linkage strip is fixedly connected to the end part of the piston rod of the cylinder, one side of the linkage strip, which deviates from the cylinder, is fixedly connected with two groups of connecting strips which are right up and down, one end of the connecting strip, which deviates from the linkage strip, is fixedly connected with the elastic clamp, and the length of the connecting strip above the connecting strip is smaller than that of the connecting strip below the connecting strip.

By adopting the technical scheme, after the test is finished, the piston rod of the air cylinder extends out, the piston rod drives the linkage strip to move horizontally, the linkage strip can simultaneously drive the two elastic clamps to move horizontally, and the elastic clamps are not on the same straight line in the vertical direction, so that after the elastic clamps take down the workpiece which is cut into two parts, mutual interference cannot occur in the subsequent dropping process, and the smoothness of workpiece blanking is improved.

Optionally, the distance between the elastic clamp located above and the feeding block corresponding to the horizontal direction is equal to the distance between the elastic clamp located below and the feeding block corresponding to the horizontal direction.

By adopting the technical scheme, when the elastic clamp clamps the fractured workpiece, the two workpieces are not at the same vertical height, the workpiece is clamped and taken back, the cylinder drives the elastic clamp to continue to move horizontally, when the elastic clamp moves to reach the feeding block, the clamping opening of the elastic clamp is gradually opened by the feeding block, and the upper elastic clamp and the lower elastic clamp are opened on different vertical straight lines, so that the vertical direction in which the workpiece falls is staggered, the mutual interference of the falling of the workpiece is reduced, and the convenience in workpiece blanking is improved.

Optionally, the machine body is provided with a material receiving box on one side of the tension claw departing from the material taking assembly.

Through adopting above-mentioned technical scheme, can fall into after the work piece falls and receive in the workbin and can collect for cracked work piece can high-efficient the recovery, and follow-up artifical arrangement efficiency can improve.

Optionally, a material guide plate fixed to the machine body is arranged above the material receiving box, the material guide plate is arranged in an inclined mode, the inclined top end of the material guide plate extends to a position between the upper surface of the machine body and the feeding block at the bottom of the machine body, and the inclined bottom end of the material guide plate extends to the interior of the material receiving box.

Through adopting above-mentioned technical scheme, the work piece drops to the stock guide surface from pay-off block position to inside the material collecting box that slides down along the stock guide, the setting up of stock guide makes the collection of work piece orderly, high-efficient more, reduces the work piece and directly drops and pile up the quantity on the surface of the body, has indirectly improved receipts material efficiency. And the material guide plate extends to the interior of the material receiving box, so that the impact force on the material receiving box is smaller when the workpiece falls into the material receiving box.

Optionally, the part of the material guide plate extending to the inside of the material receiving box is in an inwards concave arc shape, and the material guide plate is made of rubber.

Through adopting above-mentioned technical scheme, the stock guide elasticity of rubber material is better to wear resistance is strong, therefore can obtain effectual guide after the work piece falls, the part that the stock guide extends to receiving workbin inside is concave setting, can slow down the impact that the work piece dropped, improves the protection dynamics to receiving the workbin.

Optionally, the bottom of the material receiving box is provided with a moving wheel.

Through adopting above-mentioned technical scheme, after the inside cracked work piece of collecting box of collecting sufficient volume, can remove the collecting box to other positions through removing the wheel, then remove empty collecting box to assigned position once more, improve the collection efficiency of work piece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the feeding assembly, the auxiliary clamping assembly and the feeding assembly which are matched with each other are arranged above the machine body, so that the broken workpiece is fed more smoothly, and the replacement efficiency of the workpiece is improved;

2. by arranging the protective net around the machine body, on one hand, the safety of the testing process can be improved, and on the other hand, mounting positions are provided for the material taking assembly, the auxiliary material clamping assembly and the material feeding assembly;

3. the material receiving box is arranged at the bottom of the feeding block, so that the dropped workpieces can be collected uniformly without manual work, and the workpiece collecting efficiency is improved.

Drawings

FIG. 1 is a schematic structural diagram of a tension detection test bed in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a protection net in the embodiment of the present application;

fig. 3 is a partial structural diagram of a hidden console in the embodiment of the present application.

Description of reference numerals: 1. a body; 11. a guide rod; 12. a sliding seat; 121. a tension claw; 13. a console; 2. a material taking assembly; 21. a drive member; 211. a linkage bar; 212. a connecting strip; 22. an elastic clip; 3. auxiliary material clamping parts; 31. auxiliary material clamping blocks; 32. an auxiliary connecting rod; 4. a feeding assembly; 41. a feeding block; 42. a feeding connecting rod; 5. a protective net; 6. a material receiving box; 61. a moving wheel; 7. a material guide plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses tensile force detection test bench. Referring to fig. 1, tension detection test bench includes organism 1, one side of organism 1 is provided with control cabinet 13, 1 fixed surface is provided with two axis and is located coplanar guide bar 11 on the organism, the vertical setting of guide bar 11, it is provided with two sets of sliding seat 12 to slide on the guide bar 11, and the one side that two sets of sliding seat 12 are just right each other is provided with the tension jack catch 121 that is used for pressing from both sides tight work piece, when carrying out tension detection, with the work piece like the reinforcing bar, the both ends of stock form object press from both sides tightly between two tension jack catches 121, 1 inside actuating mechanism of organism drives two sliding seat 12 and keeps away from each other until the work piece is broken, the data that detect out can show on control cabinet 13.

With reference to fig. 1 and 3, a protective net 5 is arranged around the upper surface of the machine body 1, and the protective net 5 surrounds three sides of the machine body 1, so that the protective net 5 can block flying debris generated in the test process. The material taking assembly 2 is fixedly arranged on the protective net 5 on one side, the material taking assembly 2 comprises a driving piece 21 and an elastic clamp 22, in the embodiment, the driving piece 21 is an air cylinder, the air cylinder is fixed on the protective net 5, a piston rod of the air cylinder horizontally faces to the center of a horizontal connecting line between the two guide rods 11, a linkage strip 211 is fixedly connected to the end portion of the piston rod of the air cylinder, the length direction of the linkage strip 211 is vertically arranged, two connecting strips 212 are fixedly arranged on one side, facing towards the center of the machine body 1, of the linkage strip 211, the two connecting strips 212 horizontally point to one side, facing away from the linkage strip 211, the two connecting strips 212 are opposite up and down, the length of the connecting strip 212 positioned above is smaller than that of the connecting strip positioned below, one end, facing away from the linkage strip 211, of the connecting rod is fixed with the elastic clamp 22, one end, facing, and the middle of the elastic clip 22 is hinged through a torsion spring, and when the open end of the elastic clip 22 is stressed to extrude towards the center of the elastic clip, the normally closed end of the elastic clip 22 is opened.

Combine fig. 2 and fig. 3, the mutual just right part of protection network 5 is connected with two sets of supplementary material pieces 3 that press from both sides, two sets of supplementary material pieces 3 that press from both sides set up along vertical direction interval, every supplementary material piece 3 that press from both sides of group includes supplementary material piece 31 and auxiliary connecting rod 32, wherein, the auxiliary connecting rod 32 of every group is provided with two, two auxiliary connecting rod 32 levels are just right setting, and the tip respectively with the mutual just right partial fixed connection of protection network 5, the just right part of auxiliary connecting rod 32 all presss from both sides material piece 31 fixed connection in supplementary, the horizontal cross-section of supplementary material piece 31 of pressing from both sides is right triangle, and two just right one side of supplementary material piece 31 of pressing from both sides is the inclined plane each other, make two supplementary distances of pressing from both. When the workpiece is clamped by the tension claw 121, the two auxiliary clamping blocks 31 are located right on both sides of the workpiece. When a workpiece is pulled off, the driving member 21 drives the two elastic clamps 22 to be continuously close to the workpiece through the linkage strip 211, the elastic clamps 22 pass through between the two auxiliary clamping blocks 31, when the open ends of the elastic clamps 22 reach the end portions of the auxiliary clamping blocks 31, the elastic clamps 22 are extruded until the clamping openings are opened, the driving member 21 continues to drive the elastic clamps 22 to advance, so that the workpiece is clamped into the elastic clamps 22, at the moment, the driving member 21 also drives the elastic clamps 22 to advance, the inclined surfaces of the auxiliary clamping blocks 31 are arranged, so that the extrusion force applied to the open ends of the elastic clamps 22 is gradually reduced, the elastic clamps 22 gradually clamp the workpiece, after clamping the workpiece, the driving member 21 continues to drive the elastic clamps 22 to advance, and the elastic clamps 22 take out the clamped workpiece from the tension jaws 121 (the tension jaws 121 are controlled to be loosened through the control console 13 in advance), so as to achieve the taking.

With reference to fig. 2 and 3, one side of the auxiliary material clamping member 3 away from the material taking assembly 2 is provided with a material feeding assembly 4, the material feeding assembly 4 comprises a material feeding block 41 and a material feeding connecting rod 42, the material feeding assembly 4 is also provided with two groups, and the two groups of material feeding assemblies 4 and the two groups of auxiliary material clamping members 3 are located at the same horizontal height. The two ends of the feeding connecting rod 42 are fixedly connected with the two opposite sides of the protective net 5, the feeding block 41 is fixedly connected with the feeding connecting rod 42, the horizontal section of the feeding block 41 is triangular, one vertex of the triangle is opposite to the center of the connecting line of the two auxiliary clamping blocks 31 in the horizontal direction, the horizontal projections of the two feeding blocks 41 are staggered, and more specifically, the distance between the auxiliary clamping blocks 31 and the feeding block 41 at the same height is equal to a fixed value. When the elastic clamp 22 conveys the clamped workpiece to the end of the feeding block 41, as the driving member 21 drives the elastic clamp 22 to continue to advance, the feeding block 41 is clamped into the clamping opening of the elastic clamp 22, so that the elastic clamp 22 is gradually expanded, the clamping force of the elastic clamp 22 on the workpiece is gradually reduced until the clamping force disappears, at this time, the workpiece falls off from the elastic clamp 22, and the driving member 21 drives the elastic clamp 22 to return to the original position again. The two feed blocks 41 are arranged in a staggered manner in the horizontal direction, so that mutual interference of the two cut workpieces can be reduced when the workpieces fall.

As shown in fig. 3, a material receiving box 6 is disposed at the bottom of the machine body 1 on the side where the protective net 5 is not disposed, moving wheels 61 are disposed at four corners of the bottom of the material receiving box 6, a material guiding plate 7 is disposed above the material receiving box 6 on the machine body 1, and the material guiding plate 7 is fixedly connected to the machine body 1. The material guide plate 7 is obliquely arranged, the top end of the material guide plate extends towards the center of the machine body 1, and the bottom of the material guide plate extends into the material receiving box 6, so that the dropped workpieces can smoothly fall into the material receiving box 6 under the guidance of the material guide plate 7. And in order to further reduce the impact force caused by the falling of the workpiece, the material guide plate 7 is made of soft materials such as rubber and silica gel, and the part of the material guide plate 7 extending into the material receiving box 6 is provided with an inwards concave arc on the upper surface of the material guide plate, so that the impact force caused by the falling of the workpiece is further reduced.

The implementation principle of the tension detection test bed in the embodiment of the application is as follows: after the workpiece is pulled off after being tested, the driving part 21 drives the elastic clamp 22 to horizontally move towards the direction close to the workpiece, the open end of the elastic clamp 22 is opened firstly when passing between the two auxiliary clamping blocks 31, so that the workpiece can be clamped by the elastic clamp 22, the workpiece is driven to be separated from the tension jaw 121 after being clamped along with the continuous advance of the elastic clamp 22, the workpiece is separated from the tension jaw 121, when the clamping opening end of the elastic clamp 22 reaches the feeding block 41, the elastic clamp 22 is propped open by the feeding block 41, so that the workpiece falls off, and the workpiece is guided by the material guide plate 7 to enter the material receiving box 6 to be collected. In conclusion, after the workpiece is tested, semi-automatic processing can be realized in the whole material taking process, manual taking down one by one is not needed, and the workpiece replacing efficiency is greatly improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a tensile force test bench, includes organism (1), guide bar (11) of two sets of vertical settings of top fixedly connected with of organism (1), and it is provided with two sets of sliding seat (12) just right from top to bottom to slide on guide bar (11), and sliding seat (12) one side fixedly connected with just each other is used for pressing from both sides tensile force jack catch (121) of tight work piece, its characterized in that: a material taking assembly (2) is arranged on one side, opposite to the pulling force clamping jaws (121), of the machine body (1), an auxiliary material clamping piece (3) is arranged between the two pulling force clamping jaws (121), and a material feeding assembly (4) is arranged on one side, far away from the material taking assembly (2), of the auxiliary material clamping piece (3);

the material taking assembly (2) comprises two groups of elastic clamps (22) arranged in the vertical direction and a driving piece (21) for driving the elastic clamps (22) to horizontally move towards a workpiece, a clamping opening of each elastic clamp (22) is over against a connecting line between the two groups of tension claws (121), one side, close to the tension claws (121), of each elastic clamp (22) is in a closed shape, and one side, far away from the tension claws (121), of each elastic clamp (22) is in an open shape;

the auxiliary material clamping piece (3) comprises two groups of auxiliary material clamping blocks (31) and an auxiliary connecting rod (32) for fixing the auxiliary material clamping blocks (31) and the machine body (1) relatively, the two groups of auxiliary material clamping blocks (31) are opposite to the elastic clamp (22) horizontally, each group of auxiliary material clamping blocks (31) comprises two opposite horizontal parts, one opposite surface of each group of the two auxiliary material clamping blocks (31) is obliquely arranged, and the distance between the two auxiliary material clamping blocks (31) is gradually increased along the direction deviating from the material taking assembly (2);

the feeding assembly (4) comprises two feeding blocks (41) and a feeding connecting rod (42) for fixing the two feeding blocks (41) and the machine body (1), the two feeding blocks (41) are horizontally opposite to the two groups of auxiliary clamping blocks (31) respectively, the horizontal section of each feeding block (41) is triangular, and one corner of each feeding block (41) is opposite to the auxiliary clamping block (31).

2. The tension detection test bed of claim 1, wherein: the machine body (1) is characterized in that protective nets (5) are fixedly connected to the edge positions of three sides of the machine body (1), and driving pieces (21), auxiliary connecting rods (32) and feeding connecting rods (42) are fixedly connected with the protective nets (5).

3. The tension detection test bed of claim 1, wherein: the driving piece (21) is a cylinder, the piston rod level of the cylinder is towards the connecting line between the two sets of tension claws (121), the piston rod end part of the cylinder is fixedly connected with linkage strip (211), the linkage strip (211) deviates from two sets of upper and lower right connecting strips (212) of one side fixedly connected with of the cylinder, the connecting strip (212) deviates from one end of the linkage strip (211) and is fixedly connected with the elastic clamp (22), and the length of the connecting strip (212) above is smaller than that of the connecting strip (212) below.

4. The tension detection test bed of claim 3, wherein: the distance between the elastic clamp (22) positioned above and the feeding block (41) corresponding to the horizontal direction is equal to the distance between the elastic clamp (22) positioned below and the feeding block (41) corresponding to the horizontal direction.

5. The tension detection test bed of claim 1, wherein: the machine body (1) is provided with a material receiving box (6) on one side of the tension claw (121) deviating from the material taking assembly (2).

6. The tension detection test bed of claim 5, wherein: the material collecting box is characterized in that a material guide plate (7) fixed with the machine body (1) is arranged above the material collecting box (6), the material guide plate (7) is arranged in an inclined mode, the inclined top end of the material guide plate (7) extends to a position between the upper surface of the machine body (1) and a feeding block (41) at the bottom of the machine body, and the inclined bottom end of the material guide plate (7) extends to the interior of the material collecting box (6).

7. The tension detection test bed of claim 6, wherein: the part of the material guide plate (7) extending to the interior of the material receiving box (6) is in an inwards concave arc shape, and the material guide plate (7) is made of rubber materials.

8. The tension detection test bed of claim 7, wherein: the bottom of the material receiving box (6) is provided with a movable wheel (61).