Clamp for testing tensile strength of novel material

Abstract

The utility model discloses a clamp for testing the tensile strength of a novel material, which relates to the technical field of tensile strength testing and comprises a tension compensation device, a fixed chuck is arranged at the front end of the tension compensation device, and the top end of the fixed chuck extends to the upper side of the top end of the tension compensation device. The clamping head base is matched with a plurality of module plates to achieve the effect of adapting to materials in different shapes, the positions of the module plates of the clamping parts in different shapes can be automatically adjusted according to the shapes of the materials, and the materials are automatically clamped and fixed through the module clamping head with the largest contact area with the materials. The self-adaptive capacity of the clamp to the material shape is improved, the universality and practicability of the clamp are enhanced, the effect of uniformizing the material tension can be achieved through mechanical structure cooperation of a tension monitor and a compensation base, and the tension borne by the material is balanced by compensating rotation of a balance threaded column and adjusting the position and angle of an installation supporting plate; and the tension stability and uniformity control capability in the test process are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of clamps for testing tensile strength of new material, it is related to tensile strength test technical field, specifically related to a kind of clamps for testing tensile strength of new material. BACKGROUND

[0002] When carrying out tensile strength test, axial tension needs to be applied to material, if there is no clamp, material cannot be fixed on test equipment, and the clamp for testing tensile strength is a device for fixing material sample in material tensile test, and the main function is to firmly clamp the two ends of material, so that tension can be evenly applied to material, to ensure that material does not slide, looseness and other conditions during testing, so as to accurately obtain the strength data of material in tensile state, if clamp cannot well fix material, material slides during testing, so that reliable tensile strength result cannot be obtained

[0003] The prior art has the following problems:

[0004] Clamp needs to generate enough clamping force to fix material, since the shape of material is various, clamp needs to adapt to different shape materials, and clamp needs to be replaced when facing different materials, but frequent replacement of clamp can lead to low efficiency of material testing, so that the applicability of clamp is poor, and different properties of material during pulling process can lead to uneven tension, and unbalanced tension can make material break prematurely or test result deviate, to reduce the accuracy and reliability of material testing. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0006] A kind of clamp for testing tensile strength of new material, including tension compensation device, fixed chuck is arranged at the front end of the tension compensation device, and the top end of the fixed chuck extends to the top side of the top end of the tension compensation device.

[0007] The further improvement in the technical scheme of the utility model lies in that the fixed chuck comprises a chuck support base, an adjusting sliding groove is formed at the rear end of the chuck support base, a sliding block is slidably connected to the inner side of the adjusting sliding groove, mounting discs are fixedly connected to the upper and lower sides of the left and right ends of the chuck support base, the mounting discs are fixedly connected to the front end of the tension compensation device, a pushing support plate is fixedly connected to the upper side of the front end of the chuck support base, a pushing threaded rod is threadedly connected to the inside of the pushing support plate, the pushing threaded rod extends to the outside of the pushing support plate at the upper and lower ends, a fixed rotating handle is fixedly connected to the top end of the pushing threaded rod, two multi-module adaptive chucks which are parallel and mirror-symmetrical are arranged on the front end of the chuck support base, the rear end of the lower multi-module adaptive chuck is fixedly connected to the lower side of the front end of the chuck support base, the rear end of the upper multi-module adaptive chuck is fixedly connected to the front end of the sliding block, and the top end of the multi-module adaptive chuck is rotatably connected to the bottom end of the pushing threaded rod.

[0008] The further improvement in the technical scheme of the utility model lies in that the further improvement in the technical scheme of the utility model lies in that the multi-module adaptive chuck comprises a chuck base, three module plates which are parallel and arranged in front and back are arranged on the upper side of the chuck base, guide columns are fixedly connected to the left and right sides of the bottom end of the module plate, the guide columns are slidably connected to the inside of the chuck base, adaptive springs which are parallel and arranged in left and right are fixedly connected to the middle part of the bottom end of the module plate, the bottom end of the adaptive spring is fixedly connected to the inside of the chuck base, a sheet-shaped clamping piece made of rubber is fixedly connected to the top end of the module plate in front, a plurality of special-shaped fixing edges which are parallel and arranged in left and right are fixedly connected to the top end of the module plate in the middle, and a shuttle-shaped chuck is fixedly connected to the top end of the module plate at the back.

[0009] The further improvement in the technical scheme of the utility model lies in that the top ends of the sheet-shaped clamping piece, the special-shaped fixing edge and the shuttle-shaped chuck are on the same horizontal plane.

[0010] The further improvement in the technical scheme of the utility model lies in that the further improvement in the technical scheme of the utility model lies in that the tension compensation device comprises a compensation base, mounting blocks are fixedly connected to the front and back sides of the left and right ends of the compensation base, an installation support plate is arranged on the top end of the compensation base, the installation support plate is fixedly connected to the rear end of the four mounting discs, and tension monitors are fixedly connected to the left and right sides of the front end of the installation support plate.

[0011] The further improvement in the technical scheme of the utility model lies in that the further improvement in the technical scheme of the utility model lies in that the compensation base comprises a base main body, three compensation sliding grooves which are parallel and arranged in left and right are formed at the top end of the base main body, compensation balance threaded columns are rotatably connected to the inner side of the front and back ends of the compensation sliding groove, a driving motor is arranged on the front end of the compensation balance threaded column, and an adjusting rotating column is threadedly connected to the outer surface of the compensation balance threaded column.

[0012] The further improvement in the technical scheme of the utility model lies in that the top ends of the three adjusting rotating columns are slidably and rotatably connected to the bottom end of the installation support plate.

[0013] Due to the adoption of the above technical scheme, the technical progress achieved by the utility model relative to the prior art is:

[0014] 1、 The utility model provides a kind of fixture of testing tensile strength of new material, the effect of adapting different shape materials is reached by the cooperation of chuck base and multiple module plates, the guide column of module plate bottom end slides up and down inside chuck base, simultaneously adapt spring to provide elastic buffer, so that the module plate of top end being connected with different shape clamping components can automatically adjust position according to material shape, automatically the module chuck with the largest contact area with material is fixed to material, the rest chuck can be assisted positioning, the self-adapting ability of fixture to material shape is improved, the versatility and practicality of fixture when facing diversified new material are enhanced.

[0015] 2、The utility model provides a kind of fixture of testing tensile strength of new material, the effect of uniform material tension is reached by the mechanical structure cooperation of tension monitor and compensation base, tension monitor real-time monitoring tension data of material in tensile process, once detecting that tension is unbalanced, drive motor in compensation base starts, drives compensation balance screw column to rotate, promotes the movement of screw connection adjusting screw column, and then adjusts the position and angle of installation support plate, to balance the tension suffered by material, improve the stability and uniformity control ability of tension in testing process, improve the precision and reliability of material testing. DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the utility model;

[0017] Figure 2 It is the structural schematic diagram of the utility model fixed chuck;

[0018] Figure 3 It is the structural schematic diagram of the utility model multi-module adaptive chuck;

[0019] Figure 4 It is the structural schematic diagram of the utility model tension compensation device;

[0020] Figure 5 It is the structural schematic diagram of the utility model compensation base.

[0021] In the diagram: 1. Fixed chuck; 11. Fixed handle; 12. Push threaded rod; 13. Chuck support base; 14. Adjusting groove; 15. Sliding block; 16. Multi-module adaptable chuck; 161. Shuttle-shaped chuck; 162. Irregular fixed ridge; 163. Plate-shaped clamp; 164. Chuck base; 166. Adaptive spring; 167. Guide post; 168. Module plate; 17. Mounting plate; 2. Tension compensation device; 21. Mounting support plate; 22. Tension monitor; 23. Compensation base; 231. Compensation groove; 232. Base body; 233. Adjusting screw; 234. Compensation balance threaded post; 24. Mounting block. Detailed Implementation

[0022] To make the technical means, creative features, objectives, and effects of this utility model easier to understand, the following describes this utility model in conjunction with specific embodiments:

[0023] like Figures 1-5 As shown, this utility model provides a fixture for testing the tensile strength of a new material, including a tension compensation device 2. A fixed clamp 1 is provided at the front end of the tension compensation device 2, and the top end of the fixed clamp 1 extends to the upper side of the top end of the tension compensation device 2. The fixed clamp 1 is used to clamp the new material sample to ensure its stability during the test. The tension compensation device 2 is responsible for monitoring and adjusting the tensile force on the material when it is stretched, so that the tensile force remains uniform and the accuracy of the test is guaranteed.

[0024] like Figure 2 As shown, this utility model provides a technical solution: Preferably, the fixed chuck 1 includes a chuck support base 13, an adjustment groove 14 is provided at the rear end of the chuck support base 13, a sliding block 15 is slidably connected to the inner side of the adjustment groove 14, mounting plates 17 are fixedly connected to the upper and lower sides of the left and right ends of the chuck support base 13, the rear end of the mounting plate 17 is fixedly connected to the front end of the tension compensation device 2, a push support plate is fixedly connected to the upper side of the front end of the chuck support base 13, a push thread rod 12 is threadedly connected inside the push support plate, the upper and lower ends of the push thread rod 12 extend in the same direction to the outer side of the push support plate, a fixed handle 11 is fixedly connected to the top end of the push thread rod 12, two parallel and mirror-symmetrical multi-module adaptable chucks 16 are provided at the front end of the chuck support base 13, the rear end of the lower multi-module adaptable chuck 16 is fixedly connected to the lower side of the front end of the chuck support base 13, the rear end of the upper multi-module adaptable chuck 16 is fixedly connected to the front end of the sliding block 15, and the middle of the top end of the multi-module adaptable chuck 16 is rotatably connected to the bottom end of the push thread rod 12.

[0025] First, place the new material between the two multi-module adaptable chucks 16, rotate the fixed handle 11 to drive the push thread rod 12 to rotate, so that the upper multi-module adaptable chuck 16 moves relative to the lower multi-module adaptable chuck 16 in the adjusting groove 14 through the sliding block 15, clamp the material and prepare for tensile strength testing.

[0026] As Figure 3 shown, the utility model provides a technical scheme: preferably, below multi -module adaptive chuck 16 includes chuck base 164, chuck base 164 top is provided with three front and rear parallel module plate 168, and module plate 168 bottom end left and right sides are all fixedly connected with guide column 167, and guide column 167 outer surface is slidably connected in the inside of chuck base 164, and module plate 168 bottom end middle part is fixedly connected with two left and right parallel adaptive spring 166, and adaptive spring 166 bottom end is fixedly connected in the inside of chuck base 164, and front module plate 168 top end is fixedly connected with the sheet shape clamping piece 163 of rubber material, and middle module plate 168 top end is fixedly connected with a plurality of left and right parallel special-shaped fixed edge 162, and rear module plate 168 top end is fixedly connected with shuttle-shaped chuck 161.

[0027] As Figure 3 shown, the utility model provides a technical scheme: preferably, sheet shape clamping piece 163, special-shaped fixed edge 162, shuttle-shaped chuck 161 most top end is in the same horizontal plane.

[0028] Material is placed at below multi -module adaptive chuck 16, and material is contacted with sheet shape clamping piece 163, special-shaped fixed edge 162, shuttle-shaped chuck 161, and module plate 168 is slid in the inside of chuck base 164 with the help of guide column 167, and adaptive spring 166 is retracted to automatically adjust position, so that each clamping component is closely attached to material, and the flexible of sheet shape clamping piece 163, the special shape of special-shaped fixed edge 162 and shuttle-shaped chuck 161 realize the steady clamping of different shape materials, and each clamping component top end is in the same plane to even force can guarantee that the chuck with the maximum contact area of material is contacted with material.

[0029] As Figure 4 shown, the utility model provides a technical scheme: preferably, tension compensation device 2 includes compensation base 23, and compensation base 23 left and right end front and rear sides are all fixedly connected with mounting block 24, and compensation base 23 top end is provided with installation support plate 21, and installation support plate 21 front end is fixedly connected to the rear end of four mounting disc 17, and installation support plate 21 front end left and right sides are all fixedly connected with tension monitor 22.

[0030] First, tension compensation device 2 is installed in the corresponding position of test equipment through mounting block 24, and installation support plate 21 is fixed in the rear end of fixed chuck 1 with the connection of four mounting disc 17, and tension monitor 22 monitors the tension of material in real time during the test, provides data basis for subsequent tension adjustment, and guarantees that the test is stably carried out.

[0031] As Figure 5As shown, the utility model provides a technical scheme: preferably, compensation base 23 includes base main part 232, three left and right parallel compensation sliding slot 231 are seted up in the top of base main part 232, the inside front and back end of compensation sliding slot 231 is jointly connected with compensation balance screw column 234, and compensation balance screw column 234 front end is provided with drive motor, and compensation balance screw column 234 outer surface is connected with the adjusting screw column 233 of screw thread.

[0032] As Figure 5 As shown, the utility model provides a technical scheme: preferably, three adjusting screw columns 233 top end are all slid and rotationally connected in the bottom end of mounting support plate 21.

[0033] In the material tensile test process, when the tension monitor detects that the tension is unbalanced, the corresponding drive motor is started to drive the corresponding compensation balance screw column 234 to rotate, so that the adjusting screw column 233 connected by screw thread moves in the compensation sliding slot 231, and then the position and angle of the mounting support plate 21 are adjusted to balance the tension of the material and ensure that the tension is uniform and stable during the test process.

[0034] The working principle of the clamp for testing the tensile strength of the new material will be described below.

[0035] As Figures 1-5 As shown, the tension compensation device 2 is installed in the corresponding position of the test equipment through the mounting block 24, so that the mounting support plate 21 is fixed at the rear end of the fixed chuck 1 by means of the connection with the four mounting discs 17, then the new material sample is placed between the two multi-module adaptive chucks 16 of the fixed chuck 1, the fixed handle 11 is rotated to drive the push threaded rod 12 to rotate, so that the upper multi-module adaptive chuck 16 moves relative to the lower multi-module adaptive chuck 16 in the adjusting sliding slot 14 through the sliding block 15, and the material is clamped. During the test process, the tension monitor 22 of the tension compensation device 2 monitors the tension of the material in real time, and once the unbalanced tension is detected, the drive motor in the compensation base 23 is started to drive the compensation balance screw column 234 to rotate, so that the adjusting screw column 233 moves in the compensation sliding slot 231, the position and angle of the mounting support plate 21 are adjusted, and the uniform and stable tension of the material during the stretching is ensured, until the tensile strength test is completed.

[0036] The above general description of the utility model has been described in detail, but some modifications or improvements can be made on the basis of the utility model, which is obvious to the general technical personnel in the technical field. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A clamp for testing the tensile strength of new materials, comprising a tension compensation device (2), characterised in that: The front end of the tension compensation device (2) is provided with a fixed chuck (1), and the top end of the fixed chuck (1) extends to the top side of the tension compensation device (2).

2. The fixture of claim 1, wherein: The fixed chuck (1) comprises a chuck support seat (13), the rear end of the chuck support seat (13) is provided with an adjusting sliding groove (14), the inner side of the adjusting sliding groove (14) is slidably connected with a sliding block (15), the upper and lower sides of the left and right ends of the chuck support seat (13) are fixedly connected with mounting discs (17), the rear end of the mounting disc (17) is fixedly connected to the front end of the tension compensation device (2), the front end of the chuck support seat (13) is fixedly connected with a propelling support plate, the propelling support plate is internally threadedly connected with a propelling threaded rod (12), the upper and lower ends of the propelling threaded rod (12) extend to the outer side of the propelling support plate in the same direction, the top end of the propelling threaded rod (12) is fixedly connected with a fixed rotating handle (11), and the front end of the chuck support seat (13) is provided with two upper and lower parallel and mirror-symmetrical multi-module adaptive chucks (16), the rear end of the lower multi-module adaptive chuck (16) is fixedly connected to the lower side of the front end of the chuck support seat (13), and the rear end of the upper multi-module adaptive chuck (16) is fixedly connected to the front end of the sliding block (15).

3. The fixture of claim 2, wherein: The lower multi-module adaptive chuck (16) comprises a chuck base (164), the upper side of the chuck base (164) is provided with three front and rear parallel module plates (168), the left and right sides of the bottom end of the module plate (168) are fixedly connected with guide columns (167), the outer surfaces of the guide columns (167) are slidably connected to the inside of the chuck base (164), the bottom end of the module plate (168) is fixedly connected with two left and right parallel adaptive springs (166), the bottom end of the adaptive spring (166) is fixedly connected to the inside of the chuck base (164), the top end of the front module plate (168) is fixedly connected with a sheet-shaped clamping piece (163) made of rubber, the top end of the middle module plate (168) is fixedly connected with a plurality of left and right parallel special-shaped fixing edges (162), and the top end of the rear module plate (168) is fixedly connected with a shuttle-shaped chuck (161).

4. The fixture of claim 3, wherein: The top ends of the sheet-shaped clamping piece (163), the special-shaped fixing edge (162) and the shuttle-shaped chuck (161) are in the same horizontal plane.

5. The fixture of claim 2, wherein: The tension compensation device (2) comprises a compensation base (23), the left and right ends of the compensation base (23) are fixedly connected with mounting blocks (24), the top end of the compensation base (23) is provided with a mounting support plate (21), the front end of the mounting support plate (21) is fixedly connected to the rear end of the four mounting discs (17), and the left and right sides of the front end of the mounting support plate (21) are fixedly connected with tension monitors (22).

6. The fixture of claim 5, wherein: The compensation base (23) comprises a base body (232), three left and right parallel compensation sliding grooves (231) are arranged at the top end of the base body (232), compensation balance threaded columns (234) are jointly and rotatably connected to the inner side of the front and rear ends of the compensation sliding grooves (231), a driving motor is arranged at the front end of the compensation balance threaded column (234), and adjusting rotating columns (233) are threadedly connected to the outer surfaces of the compensation balance threaded columns (234).

7. The fixture of claim 6, wherein: The top ends of the three adjusting rotating columns (233) are slidably and rotatably connected to the bottom end of the mounting support plate (21).

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