Universal tensile machine capable of conveniently fixing packaging bag

Abstract

The utility model discloses a universal tensile machine convenient to fix a packaging bag, which comprises a machine body, a display screen is arranged on the machine body, a vertical plate is fixedly connected to the upper end of the machine body, a third sliding groove is formed in the side wall of the vertical plate, two clamping mechanisms used for clamping the packaging bag are arranged in the third sliding groove, and the display screen is arranged on the machine body. The clamping mechanism comprises two symmetrically-arranged moving plates slidably connected into the third sliding groove, fourth sliding grooves are formed in the opposite ends of the two moving plates correspondingly, two symmetrically-arranged clamping plates are slidably connected into the two fourth sliding grooves correspondingly, and two symmetrically-arranged first sliding grooves are formed in the upper end of the machine body. And four stand columns are connected into the two first sliding grooves in a sliding manner. The packaging bag clamping device is reasonable in structure, the second double-end threaded rod and the four stand columns are arranged, under guiding of the stand columns, the clamping plates on the two sides move towards the middle to clamp a packaging bag, the two ends of the packaging bag can be fixed at the same time, and work efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tension testing machines, in particular to a universal tension testing machine which is convenient for fixing packaging bags. Background Art

[0002] The tensile testing machine clamps the sample between two upper and lower clamps. The two clamps move relative to each other. The force sensor on the dynamic clamp and the displacement sensor built into the equipment collect the force and displacement changes during the test, thereby calculating the various properties of the sample such as stretching, tearing, and deformation.

[0003] In the process of packaging bag processing, in order to test the strength of the packaging bag, a tensile testing machine is needed. In the prior art, when testing the strength of the packaging bag, the traditional tensile testing machine needs to first clamp one end of the packaging bag to the upper clamp, and then clamp the lower end of the packaging bag to the lower clamp. Therefore, it needs to be fixed twice during clamping, which seriously affects the work efficiency. Therefore, the utility model proposes a universal tensile testing machine that is convenient for fixing packaging bags to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a universal tensile machine which is convenient for fixing packaging bags.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A universal tensile testing machine for conveniently fixing packaging bags comprises a body, a display screen is arranged on the body, a vertical plate is fixedly connected to the upper end of the body, a third slide groove is provided on the side wall of the vertical plate, two clamping mechanisms for clamping the packaging bags are provided in the third slide groove, the clamping mechanism comprises two symmetrically arranged movable plates slidably connected in the third slide groove, a fourth slide groove is provided at opposite ends of the two movable plates, two symmetrically arranged clamping plates are slidably connected in the two fourth slide grooves, two symmetrically arranged first slide grooves are provided at the upper end of the body, four columns are slidably connected in the two first slide grooves, second slide grooves are provided on the four columns, cross bars are fixedly connected to the side walls at both ends of the four clamping plates, and a plurality of cross bars are respectively slidably connected in the four second slide grooves.

[0007] Preferably, a second double-headed threaded rod is rotatably connected between the inner walls at both ends of one of the first sliding grooves, and the second double-headed threaded rod passes through two columns on the same side and is threadedly connected thereto.

[0008] Preferably, a limit rod is fixedly connected between the inner walls at both ends of the other first sliding groove, and the limit rod passes through the two columns on the same side and is slidably connected thereto.

[0009] Preferably, the end of the second double-start threaded rod is fixedly connected to a turntable, and the turntable is covered with an anti-slip rubber sleeve.

[0010] Preferably, a first double-headed threaded rod is rotatably connected between the inner walls at both ends of the third sliding groove, and the first double-headed threaded rod passes through the two moving plates and is threadedly connected thereto.

[0011] Preferably, a motor is fixedly connected to the upper end of the vertical plate, and the output shaft end of the motor is fixedly connected to the end of the first double-start threaded rod.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. By setting a second double-headed threaded rod and four columns, when clamping, the two ends of the packaging bag are placed between the four clamping plates respectively, and the turntable is rotated to drive the second double-headed threaded rod to rotate, thereby driving the two columns threadedly connected to it to move toward the middle. Under the guidance of the columns, the clamping plates on both sides move toward the middle to clamp the packaging bag, which can fix the two ends of the packaging bag at the same time, greatly improving work efficiency.

[0014] 2. By setting up a first double-headed threaded rod and a motor, the output shaft of the motor rotates to drive the first double-headed threaded rod to rotate. The rotation of the first double-headed threaded rod drives the two movable plates threadedly connected to it to move to both sides, so as to perform a tensile test on the packaging bag and improve the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional diagram of a universal tensile machine for conveniently fixing packaging bags proposed by the utility model;

[0016] Figure 2 This is a bottom-up stereoscopic diagram of a universal tensile machine for conveniently fixing packaging bags proposed by the utility model;

[0017] Figure 3 This is a rear perspective view of a universal tensile machine for conveniently fixing packaging bags proposed by the utility model.

[0018] In the figure: 1 body, 2 first slide, 3 column, 4 second slide, 5 cross bar, 6 display screen, 7 motor, 8 vertical plate, 9 moving plate, 10 clamping plate, 11 third slide, 12 first double-headed threaded rod, 13 fourth slide, 14 turntable, 15 second double-headed threaded rod. DETAILED DESCRIPTION

[0019] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model is described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific implementation disclosed below.

[0020] Reference Figure 1-3 A universal tensile machine for conveniently fixing packaging bags comprises a machine body 1, a display screen 6 is arranged on the machine body 1, a vertical plate 8 is fixedly connected to the upper end of the machine body 1, a third slide groove 11 is provided on the side wall of the vertical plate 8, two clamping mechanisms for clamping the packaging bags are arranged in the third slide groove 11, and the clamping mechanism comprises two symmetrically arranged moving plates 9 slidably connected in the third slide groove 11, and the opposite ends of the two moving plates 9 are both provided with fourth slide grooves 13, and two symmetrically arranged The clamping plate 10 has two symmetrically arranged first slide grooves 2 at the upper end of the body 1, and four columns 3 are slidably connected in the two first slide grooves 2. The four columns 3 are provided with second slide grooves 4. The side walls at both ends of the four clamping plates 10 are fixedly connected with cross bars 5, and the multiple cross bars 5 are respectively slidably connected in the four second slide grooves 4. It should be noted that the multiple clamping plates 10 are all provided with anti-slip covers, and the material of the multiple anti-slip covers is rubber, which can increase the friction between the clamping plate 10 and the packaging bag, thereby improving the clamping stability.

[0021] In the utility model, a second double-headed threaded rod 15 is rotatably connected between the inner walls at both ends of one of the first slide grooves 2, the second double-headed threaded rod 15 passes through the two columns 3 on the same side and is threadedly connected thereto, a limiting rod is fixedly connected between the inner walls at both ends of the other first slide groove 2, the limiting rod passes through the two columns 3 on the same side and is slidably connected thereto, a turntable 14 is fixedly connected to the end of the second double-headed threaded rod 15, a non-slip rubber sleeve is sleeved on the turntable 14, and the limiting rod can limit the two columns 3 on the same side, thereby improving the stability of the columns 3 during movement.

[0022] In the utility model, a first double-headed threaded rod 12 is rotatably connected between the inner walls at both ends of the third slide groove 11, the first double-headed threaded rod 12 passes through the two movable plates 9 and is threadedly connected thereto, the upper end of the vertical plate 8 is fixedly connected to the motor 7, and the end of the output shaft of the motor 7 is fixedly connected to the end of the first double-headed threaded rod 12.

[0023] When the utility model is used, firstly, the two ends of the packaging bag are placed between the clamping plates 10 on both sides respectively, and then the turntable 14 is rotated to drive the second double-headed threaded rod 15 to rotate, thereby driving the two columns 3 threadedly connected thereto to move toward the middle, and under the guidance of the columns 3, the cross bars 5 on both sides are driven to move toward the middle, thereby driving the clamping plates 10 on both sides to clamp the two ends of the packaging bag, and the two ends of the packaging bag can be clamped at the same time, with high clamping efficiency, thereby improving work efficiency. After clamping is completed, the output shaft of the driving motor 7 rotates, driving the first double-headed threaded rod 12 to rotate, thereby driving the two movable plates 9 threadedly connected thereto to move toward both ends, so as to stretch the packaging bag and complete the tensile test. It should be noted that tension sensors are provided at the movable plates 9 on both sides, which can transmit the tension value to the machine body 1 and display the tension value through the display screen 6.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A universal tensile machine for conveniently fixing packaging bags, comprising a machine body (1), characterized in that: The machine body (1) is provided with a display screen (6), the upper end of the machine body (1) is fixedly connected with a vertical plate (8), the side wall of the vertical plate (8) is provided with a third slide groove (11), the third slide groove (11) is provided with two clamping mechanisms for clamping the packaging bag, the clamping mechanism comprises two symmetrically arranged moving plates (9) slidably connected in the third slide groove (11), the opposite ends of the two moving plates (9) are provided with a fourth slide groove (13), the two fourth slide grooves (13) are slidably connected with two symmetrically arranged clamping plates (10), the upper end of the machine body (1) is provided with two symmetrically arranged first slide grooves (2), the two first slide grooves (2) are slidably connected with four columns (3), the four columns (3) are provided with a second slide groove (4), the side walls at both ends of the four clamping plates (10) are fixedly connected with cross bars (5), and the plurality of cross bars (5) are respectively slidably connected in the four second slide grooves (4).

2. A universal tensile machine for conveniently fixing packaging bags according to claim 1, characterized in that: A second double-ended threaded rod (15) is rotatably connected between the inner walls at both ends of one of the first sliding grooves (2), and the second double-ended threaded rod (15) passes through two upright posts (3) on the same side and is threadedly connected thereto.

3. A universal tensile machine for conveniently fixing packaging bags according to claim 2, characterized in that: A limiting rod is fixedly connected between the inner walls at both ends of the other first sliding groove (2), and the limiting rod passes through two upright posts (3) on the same side and is slidably connected thereto.

4. A universal tensile machine for conveniently fixing packaging bags according to claim 3, characterized in that: The end of the second double-ended threaded rod (15) is fixedly connected to a rotating disk (14), and the rotating disk (14) is covered with an anti-slip rubber sleeve.

5. A universal tensile machine for conveniently fixing packaging bags according to claim 4, characterized in that: A first double-headed threaded rod (12) is rotatably connected between the inner walls at both ends of the third sliding groove (11), and the first double-headed threaded rod (12) passes through the two moving plates (9) and is threadedly connected thereto.

6. A universal tensile machine for conveniently fixing packaging bags according to claim 5, characterized in that: The upper end of the vertical plate (8) is fixedly connected to a motor (7), and the end of the output shaft of the motor (7) is fixedly connected to the end of the first double-start threaded rod (12).

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