CN216816245U

CN216816245U - Electronic tensile machine with overload protection structure

Info

Publication number: CN216816245U
Application number: CN202220348432.1U
Authority: CN
Inventors: 詹才喜; 罗铜
Original assignee: Foshan Phenyllun Industrial Material Co ltd
Current assignee: Foshan Phenyllun Industrial Material Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-06-24
Anticipated expiration: 2032-02-21

Abstract

The utility model discloses an electronic tensile machine with an overload protection structure, which comprises a base; the detection mechanism is arranged on the left side and the right side of the inner part of the bottom of the upper pulling plate, and the connecting plate is arranged below the upper pulling plate; according to the utility model, the detection mechanisms are arranged on the left side and the right side inside the bottom of the upper pulling plate, the tension of materials is detected, the tension between the upper pulling plate and the lower pulling plate is detected in real time through the tension meter, when the tension between the upper pulling plate and the lower pulling plate detected by the tension meter exceeds a preset value, the tension meter can send detected data to the PCL control end, the PCL control end converts the received data to stop the motor from rotating, the damage of the tension machine caused by overlarge tension between the upper pulling plate and the lower pulling plate is avoided, the overload protection effect is further realized, and the service life of the device is prolonged.

Description

Electronic tensile machine with overload protection structure

Technical Field

The utility model relates to the technical field of tensile tests, in particular to an electronic tensile machine with an overload protection structure.

Background

The tension tester is also called a universal material tester. The universal testing machine is a mechanical stress applying testing machine for testing mechanical properties such as static load, stretching, compression, bending, shearing, tearing, peeling and the like of instrument equipment aiming at various materials, is suitable for testing various physical and mechanical properties of materials such as plastic plates, pipes and profiled bars, plastic films, rubber, electric wires, cables, steel, glass fiber and the like, is developed into materials, is indispensable detection equipment for physical property test, teaching research, quality control and the like, and comprises a shell, wherein the bottom of the shell is connected with a lower output shaft in a penetrating way, the outer wall of the lower output shaft is sleeved with a lower bearing which is connected with the outer wall of the bottom of the shell through the lower output shaft, the top of the lower pull rod is sleeved with a lower ball hinge, the top of the lower ball hinge is welded with a bearing plate, the outer wall of the lower bearing plate is sleeved with a thin-wall metal sleeve, although the ball hinge can adjust the tiny eccentricity of the axis during retraction and pulling by itself to improve the testing accuracy, the following defects exist in the using process:

1. when the existing electronic tension machine is used for detecting the tension of a material, because the interior of the tension machine is not protected from overload, in the detection process, if the tension of an upper pulling plate and a lower pulling plate is too large, the pulling plates of the device are damaged, and the service life of the device is influenced.

2. The existing electronic tension machine has the advantages that in the process of material stretching, the two ends of a material can deform, the material cannot be clamped tightly by the clamp, and then the clamp can be separated from the two ends of the material, so that the tension detection work efficiency can be influenced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an electronic tensile machine with an overload protection structure to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: an electronic tensile machine with an overload protection structure comprises a base; the detection device comprises a base, a power mechanism, an upper pull plate, a lower bottom plate, detection mechanisms, a connecting plate and a clamping mechanism, wherein the power mechanism is symmetrically arranged above the base, the upper pull plate is arranged inside the power mechanism, the lower bottom plate is arranged on the inner side of the bottom of the power mechanism, the detection mechanisms are arranged on the left side and the right side of the inner part of the bottom of the upper pull plate, the connecting plate is arranged below the upper pull plate, and the clamping mechanism is arranged at the bottom of the connecting plate;

the detection mechanism comprises a tension meter and connecting blocks, the connecting blocks are arranged at two ends of the tension meter, and the connecting blocks are fixedly arranged on the inner sides of the upper pulling plate and the lower bottom plate;

the clamping mechanism comprises a shell, a sliding cavity, clamping plates, convex blocks and an electric push rod, wherein the sliding cavity is formed in the shell, the clamping plates are symmetrically arranged in the sliding cavity, the convex blocks are arranged in the middle of the two groups of clamping plates, and the tops of the convex blocks are hinged to one end of the electric push rod.

Preferably, the power mechanism comprises a support rod, an installation cavity, a screw rod and a motor, the installation cavity is formed in the support rod, the screw rod is installed in the installation cavity, and the bottom end of the screw rod is fixedly installed with the output end of the motor.

Preferably, sliding plates are symmetrically arranged on two sides of the upper pulling plate, and the sliding plates and the surface of the screw rod are installed in a threaded mode.

Preferably, the two sides of the upper pulling plate are symmetrically provided with fixing plates, and sliding grooves are formed in the fixing plates.

Preferably, the upper end and the lower end of the inside of the sliding cavity are symmetrically provided with sliding blocks, the position of the clamping plate corresponding to the sliding blocks is provided with a sliding groove, the inner side of the clamping plate is provided with a wedge-shaped groove, a convex block is arranged inside the wedge-shaped groove, and the cross section of the wedge-shaped groove is of a trapezoidal structure.

Preferably, the surface mounting of base has the mounting groove, and the internally mounted of mounting groove has the PCL control end, and the mounting groove passes through wire and motor, tensiometer and electric putter electric connection.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the detection mechanisms are arranged on the left side and the right side inside the bottom of the upper pulling plate, the tension of materials is detected, the tension between the upper pulling plate and the lower pulling plate is detected in real time through the tension meter, when the tension between the upper pulling plate and the lower pulling plate detected by the tension meter exceeds a preset value, the tension meter can send detected data to the PCL control end, the PCL control end receives the data and controls the switch of the motor, the motor is turned off, the damage of the tension machine caused by overlarge tension between the upper pulling plate and the lower pulling plate is avoided, and the overload protection effect is further realized, so that the service life of the device is prolonged.

2. According to the utility model, the clamping mechanism is arranged at the bottom of the connecting plate, and in the process of material tension testing, the material can deform under the influence of tension, and in the process of material deformation, personnel open the electric push rod to enable the electric push rod to be in a contraction state all the time, so that the upper end and the lower end of the material can be clamped through the clamping plate, and the phenomenon that the material slides down due to material deformation to influence the tension testing efficiency is avoided.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

FIG. 2 is a side cross-sectional structural schematic view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 5 is a perspective view of the clamping mechanism of the present invention;

fig. 6 is a schematic top view of the clamping mechanism of the present invention.

In the figure: 1. a base; 2. a power mechanism; 201. a support bar; 202. a mounting cavity; 203. a screw; 204. a motor; 3. pulling up the plate; 301. a slide plate; 4. a detection mechanism; 401. a tension meter; 402. connecting blocks; 5. a lower base plate; 6. a fixing plate; 601. a chute; 7. a clamping mechanism; 701. a housing; 702. a slide chamber; 703. a splint; 704. a slider; 705. a sliding groove; 706. a wedge-shaped groove; 707. a bump; 708. an electric push rod; 8. a connecting plate; 9. mounting grooves; 901. a PCL control terminal.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, an embodiment of the present invention is shown: an electronic tensile machine with an overload protection structure comprises a base 1; the upper part of the base 1 is symmetrically provided with power mechanisms 2, the interior of each power mechanism 2 is provided with an upper pulling plate 3, the inner side of the bottom of each power mechanism 2 is provided with a lower bottom plate 5, the left side and the right side of the interior of the bottom of each upper pulling plate 3 are provided with detection mechanisms 4, a connecting plate 8 is arranged below each upper pulling plate 3, and the bottom of each connecting plate 8 is provided with a clamping mechanism 7;

the detection mechanism 4 comprises a tension meter 401 and connecting blocks 402, the connecting blocks 402 are arranged at two ends of the tension meter 401, and the connecting blocks 402 are fixedly arranged with the inner sides of the upper pulling plate 3 and the lower bottom plate 5;

the clamping mechanism 7 comprises a shell 701, a sliding cavity 702, clamping plates 703, a bump 707 and an electric push rod 708, the sliding cavity 702 is arranged in the shell 701, the clamping plates 703 are symmetrically arranged in the sliding cavity 702, the bumps 707 are arranged in the middle of the two groups of clamping plates 703, the top of the bump 707 is hinged with one end of the electric push rod 708, the sliders 704 are symmetrically arranged at the upper end and the lower end in the sliding cavity 702, the sliding grooves 705 are arranged at the positions of the clamping plates 703 corresponding to the sliders 704, wedge-shaped grooves 706 are arranged on the inner side of the clamping plates 703, the bumps 707 are arranged in the wedge-shaped grooves 706, and the cross section of the wedge-shaped grooves 706 is of a trapezoidal structure;

specifically, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, when in use, firstly, a person sets the maximum pulling force that the tension meter 401 can bear through the PCL control end 901, then places the material to be detected inside the clamping plate 703 at the top of the lower base plate 5, the person opens the electric push rod 708 through the PCL control end 901, so that the electric push rod 708 contracts, so that one end of the electric push rod 708 drives the bump 707 to slide inside the wedged groove 706, because the bump 707 is installed in conjunction with the wedged groove 706, when the bump 707 slides downwards, the two groups of clamping plates 703 can be driven to slide inside the sliding cavity 702, so that the clamping plates 703 can clamp both sides of the material, and similarly, the other end of the material can be clamped by the clamping mechanism 7 at the bottom of the connecting plate 8, then the person opens the motor 204 through the PCL control end 901, so that the motor 204 rotates forward, the output end of the motor 204 can drive the screw 203 to rotate, under the limiting action of the installation cavity 202, the sliding plate 301 can slide upwards on the surface of the screw rod 203 to detect the tensile force of the material, the tensile force between the upper pulling plate 3 and the lower base plate 5 is detected in real time through the tension meter 401, when the tensile force between the upper pulling plate 3 and the lower base plate 5 detected by the tension meter 401 exceeds a preset value, the tension meter 401 can send the detected data to the PCL control end 901, the PCL control end 901 converts the received data to stop the motor 204 from rotating, the damage of a tensile machine caused by the overlarge tensile force between the upper pulling plate 3 and the lower base plate 5 is avoided, the overload protection effect is further achieved, the service life of the device is prolonged, in the process of material tensile force test, deformation can occur due to the influence of the material under the tensile force, and in the process of material deformation, a person opens the electric push rod 708, so that the electric push rod 708 is always in a contraction state, and then can press from both sides the upper and lower both ends of material tightly through splint 703, avoid leading to the material landing because of the material deformation, influence the efficiency that the pulling force detected.

Further, the power mechanism 2 comprises a supporting rod 201, an installation cavity 202, a screw 203 and a motor 204, the installation cavity 202 is formed in the supporting rod 201, the screw 203 is installed in the installation cavity 202, the bottom end of the screw 203 is fixedly installed with the output end of the motor 204, fixing plates 6 are symmetrically arranged on two sides of the upper pulling plate 3, and a sliding groove 601 is formed in each fixing plate 6;

specifically, as shown in fig. 1 and fig. 2, when one end of a material is placed on the clamping mechanism 7 at the top of the lower plate 5 to be clamped, the other end of the material is clamped by the clamping mechanism 7 at the bottom of the connecting plate 8, when tension detection is performed on the material, a person turns on the motor 204 through the PCL control end 901 to enable the motor 204 to rotate in the forward direction, the output end of the motor 204 drives the screw rod 203 to rotate, under the limiting effect of the mounting cavity 202, the sliding plate 301 slides upwards on the surface of the screw rod 203 to detect the tension of the material, the tension between the upper pulling plate 3 and the lower plate 5 is detected in real time through the tension meter 401, and through the printing device externally connected with the PCL control end 901, the tension of the material is printed and recorded.

Further, a mounting groove 9 is mounted on the surface of the base 1, a PCL control end 901 is mounted inside the mounting groove 9, and the mounting groove 9 is electrically connected with the motor 204, the tension meter 401 and the electric push rod 708 through wires;

specifically, as shown in fig. 1 and fig. 2, a person connects the PCL control terminal 901 to an external power source through a wire, so as to provide power to each mechanism inside the device.

The working principle is as follows: when the device is used, firstly, a person sets the maximum tensile force born by the tension meter 401 through the PCL control end 901, then the material to be detected is placed inside the clamping plate 703 at the top of the lower base plate 5, the person opens the electric push rod 708 through the PCL control end 901, the electric push rod 708 is contracted, one end of the electric push rod 708 drives the bump 707 to slide inside the wedge-shaped groove 706, the bump 707 is fitted with the wedge-shaped groove 706, when the bump 707 slides downwards, the two groups of clamping plates 703 can be driven to slide inside the sliding cavity 702, and then the clamping plate 703 can clamp two sides of the material, similarly, the other end of the material can be clamped by the clamping mechanism 7 at the bottom of the connecting plate 8, then the person opens the motor 204 through the PCL control end 901, the motor 204 rotates forwards, the output end of the motor 204 can drive the screw 203 to rotate, under the limiting effect of the installation cavity 202, the sliding plate 301 can slide upwards on the surface of the screw 203, the tension of the material is detected, the tension between the upper pulling plate 3 and the lower base plate 5 is detected in real time through the tension meter 401, when the tension between the upper pulling plate 3 and the lower base plate 5 detected by the tension meter 401 exceeds a preset value, the tension meter 401 sends detected data to the PCL control end 901, the PCL control end 901 converts the received data to stop rotating the motor 204, the situation that the tension between the upper pulling plate 3 and the lower base plate 5 is overlarge is avoided, the electric push rod 708 is started in the process of material tension testing, the electric push rod 708 is always in a contraction state, the upper end and the lower end of the material can be clamped through the clamping plates 703, and the situation that the material slides down due to material deformation is avoided.

The utility model is not described in detail, but is well known to those skilled in the art.

Finally, it is to be noted that: although the present invention has been described in detail with reference to the embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. An electronic tensile machine with an overload protection structure comprises a base (1); the method is characterized in that: the device comprises a base (1), wherein power mechanisms (2) are symmetrically arranged above the base (1), an upper pulling plate (3) is arranged inside the power mechanisms (2), a lower bottom plate (5) is arranged on the inner side of the bottom of each power mechanism (2), detection mechanisms (4) are arranged on the left side and the right side of the inner part of the bottom of each upper pulling plate (3), a connecting plate (8) is arranged below each upper pulling plate (3), and a clamping mechanism (7) is arranged at the bottom of each connecting plate (8);

the detection mechanism (4) comprises a tension meter (401) and connecting blocks (402), the connecting blocks (402) are arranged at two ends of the tension meter (401), and the connecting blocks (402) are fixedly installed on the inner sides of the upper pulling plate (3) and the lower bottom plate (5);

the clamping mechanism (7) comprises a shell (701), a sliding cavity (702), clamping plates (703), convex blocks (707) and an electric push rod (708), wherein the sliding cavity (702) is formed in the shell (701), the clamping plates (703) are symmetrically arranged in the sliding cavity (702), the convex blocks (707) are arranged in the middle of the two groups of clamping plates (703), and the tops of the convex blocks (707) are hinged to one end of the electric push rod (708).

2. An electronic tensile machine with an overload protection structure as claimed in claim 1, wherein: the power mechanism (2) comprises a supporting rod (201), an installation cavity (202), a screw rod (203) and a motor (204), the installation cavity (202) is formed in the supporting rod (201), the screw rod (203) is installed in the installation cavity (202), and the bottom end of the screw rod (203) is fixedly installed with the output end of the motor (204).

3. An electronic tensile machine with an overload protection structure as claimed in claim 1, wherein: the two sides of the upper pulling plate (3) are symmetrically provided with sliding plates (301), and the sliding plates (301) are in threaded installation with the surface of the screw rod (203).

4. An electronic tensile machine with an overload protection structure as claimed in claim 1, wherein: the two sides of the upper pulling plate (3) are symmetrically provided with fixing plates (6), and sliding grooves (601) are formed in the fixing plates (6).

5. An electronic tensile machine with an overload protection structure as defined in claim 1, wherein: the upper end and the lower end of the inside of the sliding cavity (702) are symmetrically provided with sliding blocks (704), the position of the clamping plate (703) corresponding to the sliding blocks (704) is provided with a sliding groove (705), the inner side of the clamping plate (703) is provided with a wedge-shaped groove (706), a bump (707) is arranged inside the wedge-shaped groove (706), and the cross section of the wedge-shaped groove (706) is of a trapezoidal structure.

6. An electronic tensile machine with an overload protection structure as defined in claim 1, wherein: the surface mounting of base (1) has mounting groove (9), and the internally mounted of mounting groove (9) has PCL control end (901), and mounting groove (9) pass through wire and motor (204), tensiometer (401) and electric putter (708) electric connection.