Tensile puncture testing machine with good stability

Abstract

The utility model belongs to the field of tensile puncture testing machines, and particularly relates to a tensile puncture testing machine with good stability, which comprises a device main body, the upper surface of the device main body is provided with a tension mechanism, the tension mechanism comprises a movable plate, the upper surface of the movable plate is connected with a clamp in a sliding manner, the back surface of the movable plate is fixedly connected with a sleeve, and the sleeve is connected with the clamp in a sliding manner. A connecting rod is slidably connected into the sleeve, one end of the connecting rod is fixedly connected with the back face of the clamp, and the other end of the connecting rod is fixedly connected with the front face of a connecting plate. According to the tensile puncture testing machine with good stability, through the arranged fixing hooks, when a puncture mechanism punctures a film body, the film body is extruded to move downwards, so that the clamped parts at the two ends of the film are thinned under additional tension, the fixing hooks are pushed by reeds to extrude the film, and a recess is formed in the extruded part of the film; therefore, the film can be pressed by the clamping plates more stably.

Description

Technical Field

[0001] The utility model relates to the technical field of tensile puncture testing machines, in particular to a tensile puncture testing machine with good stability. Background Art

[0002] The tensile testing machine, also called material tensile testing machine and universal tensile strength testing machine, is a new generation of mechanical testing equipment that integrates computer control, automatic measurement, data acquisition, screen display, and test result processing.

[0003] At present, in the prior art, a Chinese patent with a publication number of CN216361722U discloses a tensile testing machine, which uses a positioning cylinder and an electric telescopic rod to perform a tensile test on the items inside the device. However, when the device is pulling a film, the film will gradually become thinner during the stretching process, which may cause the film to loosen and affect the stretching of the film. In view of this, we propose a tensile puncture testing machine with good stability. Utility Model Content

[0004] The main purpose of the utility model is to provide a tensile puncture testing machine with good stability, which can solve the problems raised in the above technical background.

[0005] In order to achieve the above-mentioned purpose, the utility model proposes a tensile puncture testing machine with good stability, comprising a device body, the upper surface of which is provided with a tension mechanism, and the tension mechanism comprises:

[0006] A movable plate, the upper surface of which is slidably connected to a clamp, and the back of which is fixedly connected to a sleeve. The connecting rod can be limited by the arranged sleeve, so that when the clamp is subjected to a greater pressure, it can move forward more stably without shaking so as to change the stretching rate of the film. A connecting rod is slidably connected inside the sleeve, one end of which is fixedly connected to the back of the clamp, and the other end of which is fixedly connected to the front of the connecting plate.

[0007] Preferably, the inner wall of the connecting plate is sleeved with the surface of the threaded rod, and the end surface of the threaded rod is fixedly connected to the back surface of the movable plate.

[0008] Preferably, the surface of the threaded rod is connected to the internal thread of the moving block, the front side of the moving block is clamped with one end of the linear spring, and the other end of the linear spring is fixedly connected to the front side of the connecting plate.

[0009] Preferably, a pressure gauge is fixedly connected to the back side of the movable plate, and a tension gauge is fixedly connected to the back side of the movable plate.

[0010] Preferably, the device body includes a base plate, a clamping plate is slidably connected to the inside of the base plate, a guide rod is fixedly connected to the upper surface of the clamping plate, the surface of the guide rod is slidably connected to the inner wall of the base plate, the upper surface of the clamping plate is rotatably connected to a rotary rod, and the surface of the rotary rod is threadedly connected to the inner wall of the base plate.

[0011] Preferably, the inner wall of the base plate is rotatably connected with a screw, the other end of the screw passes through the base plate and is fixedly connected with the end face of the hand-cranked wheel, the bottom surface of the base plate is slidably connected with a frame, and the bottom surface of the frame is fixedly connected with a puncture mechanism.

[0012] Preferably, the splint includes a cover plate, a pressure plate is sleeved inside the cover plate, an airbag is sleeved inside the cover plate, a fixing hook is fixedly connected to the inner wall of the pressure plate, the upper surface of the fixing hook is fixedly connected to one end of the spring leaf, and the other end of the spring leaf is fixedly connected to the inner wall of the pressure plate.

[0013] The utility model provides a tensile puncture testing machine with good stability. It has the following beneficial effects:

[0014] (1) The tensile puncture testing machine with good stability can, by means of the fixed hook, when the puncture mechanism punctures the film body, the film body is squeezed and moves downward, so that the parts clamped at both ends of the film are subjected to additional tension and become thinner, and the fixed hook is pushed by the spring to squeeze the film, so that a depression is generated in the squeezed part of the film, so that the film can be pressed by the clamp more stably and will not get loose.

[0015] (2) The tensile puncture testing machine with good stability can intuitively display the tension released by the clamp on the film through the forward movement distance of the clamp and the distance the connecting plate passes through the tension gauge, and the initial pressure provided by the moving block to the linear spring can be observed through the pressure gauge, thereby facilitating the operator to operate the tension mechanism more finely. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a rear view structural diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the enlarged structure of A of the utility model;

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the pressing plate of the utility model.

[0021] Explanation of the accompanying drawings: 1. Device body; 2. Tension mechanism; 101. Bottom plate; 102. Clamp; 1021. Cover plate; 1022. Pressing plate; 1023. Airbag; 1024. Fixing hook; 1025. Reed; 103. Guide rod; 104. Rotating rod; 105. Lead screw; 106. Hand wheel; 107. Frame; 108. Piercing mechanism; 201. Moving plate; 202. Clamp; 203. Sleeve; 204. Connecting rod; 205. Connecting plate; 206. Threaded rod; 207. Moving block; 208. Linear spring; 209. Tension gauge; 210. Pressure gauge.

[0022] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 4The utility model provides a tensile puncture testing machine with good stability, including a device body 1, the device body 1 includes a bottom plate 101, the bottom plate 101 is slidably connected to a clamping plate 102, the clamping plate 102 includes a cover plate 1021, the cover plate 1021 is sleeved with a pressing plate 1022, the cover plate 1021 is sleeved with an air bag 1023, the inner wall of the pressing plate 1022 is fixedly connected with a fixing hook 1024, through the set fixing hook 1024, when the puncture mechanism 108 punctures the film body, the film body is squeezed and moves downward, so that the clamped parts of the two ends of the film are subjected to additional tension and become thinner, and the fixing hook 1024 is pushed by the spring 1025 to squeeze the film, so that the squeezed part of the film has a depression, so that the film can be In order to be pressed by the splint 102 more stably and not loose, the upper surface of the fixing hook 1024 is fixedly connected to one end of the spring leaf 1025, and the other end of the spring leaf 1025 is fixedly connected to the inner wall of the pressing plate 1022; the upper surface of the splint 102 is fixedly connected to the guide rod 103, and the surface of the guide rod 103 is slidably connected to the inner wall of the base plate 101; the upper surface of the splint 102 is rotatably connected to the rotating rod 104, and the surface of the rotating rod 104 is threadedly connected to the inner wall of the base plate 101; the inner wall of the base plate 101 is rotatably connected to the lead screw 105, and the other end of the lead screw 105 penetrates the base plate 101 and is fixedly connected to the end face of the hand-cranked wheel 106; the bottom surface of the base plate 101 is slidably connected to the frame 107, and the bottom surface of the frame 107 is fixedly connected to the puncture mechanism 108.

[0025] In the example process of the utility model, the upper surface of the device body 1 is provided with a tension mechanism 2, and the tension mechanism 2 includes a moving plate 201, and the upper surface of the moving plate 201 is slidably connected with a clamp 202, and the back of the moving plate 201 is fixedly connected with a sleeve 203. The sleeve 203 can limit the connecting rod 204, so that the clamp 202 can move forward more stably when subjected to a large pressure, and will not shake to change the stretching rate of the film. The inner part of the sleeve 203 is slidably connected with the connecting rod 204, one end of the connecting rod 204 is fixedly connected to the back side of the clamp 202, the other end of the connecting rod 204 is fixedly connected to the front side of the connecting plate 205, the inner wall of the connecting plate 205 is sleeved with the surface of the threaded rod 206, the end face of the threaded rod 206 is fixedly connected to the back side of the moving plate 201, the surface of the threaded rod 206 is connected to the internal thread of the moving block 207, the front side of the moving block 207 is clamped with one end of the linear spring 208, and the other end of the linear spring 208 is fixedly connected to the front side of the connecting plate 205.

[0026] Furthermore, a pressure gauge 210 is fixedly connected to the back of the movable plate 201, and a tension gauge 209 is fixedly connected to the back of the movable plate 201. Through the setting of the tension gauge 209, the forward moving distance of the clamp 202 and the distance of the connecting plate 205 through the tension gauge 209 can be intuitively displayed. At this time, the tension released by the clamp 202 on the film can be displayed, and through the pressure gauge 210, the initial pressure provided by the movable block 207 to the linear spring 208 can be observed, thereby facilitating the operator to operate the tension mechanism 2 more finely.

[0027] When in use, one end of the film is clamped by the clamp 102, and the other end is clamped by the clamp 202. The hand-cranked wheel 106 is rotated to make the hand-cranked wheel 106 drive the lead screw 105 to rotate, and the lead screw 105 rotates to drive the movable plate 201 to move backward, and the movable block 207 is rotated to make the movable block 207 move forward, thereby squeezing the linear spring 208 and applying an initial pressure to the linear spring 208, thereby changing the minimum deformation pressure of the linear spring 208. At this time, the hand-cranked wheel 106 is slowly rotated to make the hand-cranked wheel 106 drive the movable plate 201 to move through the lead screw 105. At this time, the tension ruler 209 is observed. When the pressure of the tension mechanism 2 on the surface of the film exceeds the preset minimum deformation value of the linear spring 208, the linear spring 208 is compressed, thereby The clamp 202 moves forward, and the clamp 202 moves forward, driving the connecting plate 205 to move forward. The connecting plate 205 moves forward, and the pressure on the film at this time can be displayed by the pressure gauge 210. When the pressure reaches the preset value, stop rotating the hand wheel 106, and slide the frame 107 to the specified position, and then perform a puncture test on the surface of the film through the puncture mechanism 108. When the puncture mechanism 108 punctures the film body, the film body is squeezed and moves downward, so that the clamped parts at both ends of the film are subjected to additional tension and become thinner, and the fixing hook 1024 is pushed by the spring 1025 to squeeze the film, so that the squeezed part of the film has a depression, so that the film can be more stably pressed by the clamp 102.

[0028] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A tensile puncture testing machine with good stability, comprising a device body (1), characterized in that: A tension mechanism (2) is provided on the upper surface of the device body (1), and the tension mechanism (2) comprises: A movable plate (201), wherein the upper surface of the movable plate (201) is slidably connected to a clamp (202), the back surface of the movable plate (201) is fixedly connected to a sleeve (203), the interior of the sleeve (203) is slidably connected to a connecting rod (204), one end of the connecting rod (204) is fixedly connected to the back surface of the clamp (202), and the other end of the connecting rod (204) is fixedly connected to the front surface of a connecting plate (205).

2. A tensile puncture testing machine with good stability according to claim 1, characterized in that: The inner wall of the connecting plate (205) is sleeved with the surface of the threaded rod (206), and the end surface of the threaded rod (206) is fixedly connected to the back surface of the movable plate (201).

3. A tensile puncture testing machine with good stability according to claim 2, characterized in that: The surface of the threaded rod (206) is connected to the internal thread of the moving block (207), the front side of the moving block (207) is clamped with one end of the linear spring (208), and the other end of the linear spring (208) is fixedly connected to the front side of the connecting plate (205).

4. A tensile puncture testing machine with good stability according to claim 3, characterized in that: A pressure gauge (210) is fixedly connected to the back side of the movable plate (201), and a tension gauge (209) is fixedly connected to the back side of the movable plate (201).

5. A tensile puncture testing machine with good stability according to claim 1, characterized in that: The device body (1) comprises a base plate (101), the interior of the base plate (101) is slidably connected to a clamping plate (102), the upper surface of the clamping plate (102) is fixedly connected to a guide rod (103), the surface of the guide rod (103) is slidably connected to the inner wall of the base plate (101), the upper surface of the clamping plate (102) is rotatably connected to a rotary rod (104), and the surface of the rotary rod (104) is threadedly connected to the inner wall of the base plate (101).

6. A tensile puncture testing machine with good stability according to claim 5, characterized in that: The inner wall of the base plate (101) is rotatably connected to a lead screw (105), the other end of the lead screw (105) passes through the base plate (101) and is fixedly connected to the end surface of a hand-cranked wheel (106), the bottom surface of the base plate (101) is slidably connected to a frame (107), and the bottom surface of the frame (107) is fixedly connected to a puncture mechanism (108).

7. A tensile puncture testing machine with good stability according to claim 5, characterized in that: The clamping plate (102) comprises a cover plate (1021), a pressure plate (1022) is sleeved inside the cover plate (1021), an air bag (1023) is sleeved inside the cover plate (1021), a fixing hook (1024) is fixedly connected to the inner wall of the pressure plate (1022), the upper surface of the fixing hook (1024) is fixedly connected to one end of a spring leaf (1025), and the other end of the spring leaf (1025) is fixedly connected to the inner wall of the pressure plate (1022).

Images