Tension detection device for modified PP test
By using a clamping mechanism and fixture in a tensile testing device for modified PP testing to securely lock the modified PP material, the problem of inflexible fixing in existing devices is solved, resulting in more accurate tensile testing and a more efficient testing process.
Patent Information
- Application Number
- CN202520244660.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-17
AI Technical Summary
Existing tensile testing devices are not flexible in fixing and clamping modified PP materials, resulting in inaccurate test results and affecting the efficiency of tensile testing of modified PP materials.
A tensile testing device for modified PP was designed, comprising a base, a bracket, a sliding groove, a telescopic column, a tensile testing mechanism, a clamp, and a holding mechanism. The clamp and clamp securely lock the top and bottom of the modified PP material to ensure stability and accuracy during the testing process.
It achieves stable clamping of modified PP materials, improves the accuracy of test results, saves manpower, shortens test time, and improves test efficiency.
Smart Images
Figure CN223856902U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tensile testing technology, specifically a tensile testing device for modified PP. Background Technology
[0002] Polypropylene, abbreviated as PP, is a colorless, odorless, non-toxic, semi-transparent solid. PP is a high-performance thermoplastic synthetic resin, a colorless, semi-transparent, lightweight, general-purpose thermoplastic plastic with chemical resistance, heat resistance, electrical insulation, high mechanical strength, and good abrasion resistance. Modified PP, or modified polypropylene, is a raw material with superior performance obtained by modifying polypropylene material through certain processing. The modification process can improve one or more properties of polypropylene, such as increasing tensile strength and tensile properties.
[0003] Currently, existing tensile testing devices are not flexible in fixing and clamping modified PP materials, and cannot stably clamp and stretch in directions where the fixation is not stable. As a result, the measured tensile force is not accurate, which is not conducive to judging the actual tensile force of modified PP materials and affects the tensile testing efficiency of modified PP.
[0004] To address the aforementioned issues, we propose a tensile testing device for modified PP. Utility Model Content
[0005] The purpose of this invention is to overcome the shortcomings of the prior art and provide a tensile testing device for modified PP to solve the deficiencies of the prior art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a tensile testing device for modified PP, comprising a base, a bracket provided on the rear side of the upper end of the base, a sliding groove provided on the front side of the bracket, a telescopic column slidably disposed in the sliding groove, a tensile testing mechanism disposed on the telescopic column, a clamp provided at the lower end of the tensile testing mechanism, a clamping mechanism provided at the lower end of the clamp corresponding to the upper end of the base, a main control board provided at the lower end of the clamping mechanism inside the base, a battery connected to the lower end of the main control board, and the main control board also connected to a display screen and buttons provided at the front end of the base, and a USB interface and battery switch provided at the rear end of the base.
[0007] Preferably, the clamping mechanism includes a third screw disposed on the inner side of the upper end of the base, a first clamping plate and a second clamping plate are correspondingly disposed on the third screw, and a second motor is connected to the base near the outer side of the first clamping plate of the third screw.
[0008] Preferably, the first and second clamping plates are provided with threaded plates at the lower ends of the third screw, the second clamping plate is provided with a gear assembly inside, the gear assembly comprises a main gear provided in the middle of the second clamping plate, first from gears are connected to the two sides of the main gear, the first from gears are further connected with second from gears, and the lower ends of the first from gears and the second from gears on the two sides of the main gear are in gear transmission connection with the third screw.
[0009] Preferably, the main gear is further connected with a first knob on the outside of the second clamping plate, and the first knob is connected with a main control board inside the base.
[0010] Preferably, the inside of the support is provided with a fixing seat at the upper end of the base, the fixing seat is provided with a first motor at the upper end, the first motor is in transmission connection with a bevel gear, the bevel gear is provided with a second knob on one side of the support, and the bevel gear is provided with a first screw at the upper end.
[0011] Preferably, the first screw is arranged inside the sliding groove, and the first screw is further provided with a fixing plate inside the top of the support.
[0012] Preferably, the clamp comprises a U-shaped plate connected to the lower end of the tension detection mechanism, the U-shaped plate is provided with a second screw, and the U-shaped plate is provided with a third clamping plate on the second screw inside.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] The utility model discloses a clamping mechanism arranged at the upper end of the base and a lower clamp arranged at the lower end of the tension detection mechanism are used for locking the top end and the bottom end of the modified pp material respectively, so that the fixing performance of the whole detection device on the modified pp material is guaranteed, the phenomenon that the end of the modified pp material directly falls off due to the easy deformation of the modified pp material under the action of strong pulling is avoided, the modified pp material is clamped more flexibly, the sufficient stability of the whole detection device on the modified pp material is guaranteed, the tension of the modified pp material measured is more accurate, the actual tension of the modified PP material is judged, the modified pp material is locked, manpower is saved, the detection speed is accelerated, and the detection time is shortened. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the whole structure schematic diagram of the utility model;
[0016] Figure 2 It is the internal structure schematic diagram of the utility model;
[0017] Figure 3 It is the clamping mechanism structure schematic diagram of the utility model;
[0018] Figure 4 The gear assembly structure schematic view of the utility model.
[0019] The figure mark explanation: 1, base; 2, support; 3, sliding groove; 4, telescopic column; 5, tension detection mechanism; 6, clamp; 7, first clamping plate; 8, second clamping plate; 9, display screen; 10, button; 11, first knob; 12, second knob; 13, main control board; 14, battery; 15, battery switch; 16, USB interface; 17, fixed base; 18, first motor; 19, bevel gear; 20, first screw; 21, fixed plate; 22, U-shaped plate; 23, second screw; 24, third clamping plate; 25, gear assembly; 26, third screw; 27, second motor; 28, main gear; 29, first from gear; 30, second from gear; 31, threaded plate. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. Embodiment 1
[0021] As Figures 1-2 shown, the embodiment discloses a tension detection device for modified PP test, it includes base 1, the rear side of base 1 upper end is provided with support 2, the front side of support 2 is provided with sliding groove 3, telescopic column 4 is slidably arranged in sliding groove 3, tension detection mechanism 5 is arranged on telescopic column 4, clamp 6 is arranged at the lower end of tension detection mechanism 5, the clamping mechanism is arranged at the lower end of clamp 6 corresponding the upper end of base 1, main control board 13 is arranged at the lower end of clamping mechanism in the inner side of base 1, battery 14 is connected to the lower end of main control board 13, main control board 13 is also connected to display screen 9 and button 10 arranged at the front end of base 1 and USB interface 16 and battery switch 15 arranged at the rear side of base 1.
[0022] The embodiment is according to Figure 1 and Figure 2As shown, the modified PP material is clamped by a first clamping plate 7 and a second clamping plate 8 on the upper end of the base 1 and a clamp 6 on the lower end of the tensile testing mechanism 5 on the side of the bracket 2. The modified PP material is clamped by a first knob 11 on the outside of the second clamping plate 8 and a second knob 12 on the bracket 2. By rotating the first knob 11, the gear assembly 25 on the inner side of the second clamping plate 8 is driven. The gear assembly 25 is connected to a third screw 26 at the lower end of the gear assembly 25, which drives the first clamping plate 7 and the second clamping plate 8 to move towards or relative to each other, thereby clamping or removing the modified PP material. By rotating the second knob 12, the bevel gear 19 connected to the second knob 12 in the bracket 2 is rotated. The bevel gear 19 drives the upper first screw 20, which causes the telescopic column 4 to slide up and down in the sliding groove 3. The tensile testing mechanism 5 on the telescopic column 4 pulls the modified PP material on the bracket 2. Example 2
[0023] like Figures 1-4 As shown, this embodiment discloses a tensile testing device for modified PP testing. It includes a base 1, a bracket 2 is provided on the rear side of the upper end of the base 1, a sliding groove 3 is provided on the front side of the bracket 2, a telescopic column 4 is slidably arranged in the sliding groove 3, a tensile testing mechanism 5 is provided on the telescopic column 4, a clamp 6 is provided at the lower end of the tensile testing mechanism 5, a clamping mechanism is provided at the lower end of the clamp 6 corresponding to the upper end of the base 1, a main control board 13 is provided at the lower end of the clamping mechanism inside the base 1, a battery 14 is connected to the lower end of the main control board 13, and the main control board 13 is also connected to a display screen 9 and a button 10 provided at the front end of the base 1, and a USB interface 16 and a battery switch 15 provided at the rear side of the base 1.
[0024] This embodiment is based on Figure 2 , Figure 3 and Figure 4 As shown, the main control board 13 is located inside the base 1. The first motor 18 and the second motor 27 are connected to the main control board 13. The motors drive the clamping mechanism consisting of the first clamping plate 7 and the second clamping plate 8 located on the upper end of the base 1 and the clamp 6 located at the lower end of the tensile testing mechanism 5 to clamp the modified PP material, thereby realizing the tensile testing of the modified PP material. The clamping area of the modified PP material is increased by the first clamping plate 7 and the second clamping plate 8, making the tensile force more uniform. This results in a more accurate tensile force measurement, which is beneficial for judging the actual tensile force of the modified PP material and improving the tensile testing efficiency of modified PP.
[0025] Further, the clamping mechanism includes a third screw rod 26 arranged on the inner side of the upper end of the base 1, and the first clamping plate 7 and the second clamping plate 8 are arranged on the third screw rod 26 correspondingly. The second motor 27 is connected to the third screw rod 26 near the outer side of the first clamping plate 7 on the base 1. The threaded plates 31 are arranged on the third screw rod 26 at the lower ends of the first clamping plate 7 and the second clamping plate 8. The gear assembly 25 is arranged on the inner side of the second clamping plate 8. The gear assembly 25 includes a main gear 28 arranged in the middle of the inner side of the second clamping plate 8. The first from gear 29 is connected to the two sides of the main gear 28 correspondingly. The second from gear 30 is gear-connected to the first from gear 29. The lower ends of the second from gear 30 on the two sides of the first from gear 29 and the main gear 28 are gear-connected to the third screw rod 26. The first knob 11 is connected to the outer side of the second clamping plate 8. The first knob 11 is connected to the main control board 13 in the base 1. This is conducive to achieving the fixed clamping effect of the modified PP material and ensuring the stability of clamping during the tensile test.
[0026] Further, the fixed seat 17 is arranged on the inner side of the upper end of the bracket 2. The first motor 18 is arranged on the upper end of the fixed seat 17. The bevel gear 19 is drivingly connected to the first motor 18. The second knob 12 is arranged on one side of the bracket 2. The first screw rod 20 is arranged on the upper end of the bevel gear 19. The first screw rod 20 is arranged on the inner side of the sliding groove 3. The fixed plate 21 is arranged on the inner side of the top of the bracket 2. The clamp 6 includes the U-shaped plate 22 connected to the lower end of the tensile test mechanism 5. The second screw rod 23 is arranged on the U-shaped plate 22. The third clamping plate 24 is arranged on the inner side of the second screw rod 23 of the U-shaped plate 22. The data during the pulling process is monitored in real time by the tensile test mechanism 5, and the data is transmitted to the display screen 9 in real time, which is convenient for the operator to observe. During the pulling process, the tensile test mechanism 5 moves along the inner wall of the sliding groove 3 arranged on one side of the bracket 2. At the same time, the first motor 18 arranged on the inner side of the bracket 2 can be controlled by the button 10 connected to the main control board 13 to start the first motor 18, drive the bevel gear 19 to rotate, and realize the movement of the tensile test mechanism 5 along the inner wall of the sliding groove 3 arranged on one side of the bracket 2. The modified PP material is kept straight during the pulling process, thereby ensuring the accuracy of the test results.
[0027] Working principle: first, in use, through the clamping mechanism composed of the first clamping plate 7 and the second clamping plate 8, the first knob 11 provided on one side of the second clamping plate 8 can be manually rotated to drive the internal gear assembly 25 of the second clamping plate 8 to rotate, the gear assembly 25 drives the third screw 26 to rotate, so that the first clamping plate 7 and the second clamping plate 8 move towards each other on the third screw 26, and the button 10 provided at the front end of the base 1 can also control the second motor 27 connected in the base 1 to make the first clamping plate 7 and the second clamping plate 8 move towards each other on the third screw 26, so as to realize clamping one end of the modified pp material, and the clamp 6 provided at the lower end of the tension detection mechanism 5, the third clamping plate 24 provided in the U-shaped plate 22, the second screw 23 is manually rotated, so that the third clamping plate 24 in the U-shaped plate 22 moves towards each other, so as to realize clamping the other end of the modified pp material, after the upper and lower ends of the modified pp material are clamped, the first motor 18 connected with the main control board 13 in the base 1 is controlled by the button 10, and the telescopic column 4 drives the tension detection mechanism 5 to move along the inner wall of the sliding groove 3 provided on one side of the support 2, so as to stretch the modified pp material, and the data in the stretching process is monitored in real time by the tension detection mechanism 5, and the data is transmitted to the display screen 9 in real time, so as to facilitate observation and recording of the tension detection result of the modified pp material.
[0028] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model, therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model, and any figure reference in the claims should not be regarded as limiting the claims.
[0029] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. A tensile test device for testing modified PP, comprising a base (1), characterized in that: The bracket (2) is provided on the upper end of the base (1), the sliding groove (3) is provided on the front side of the bracket (2), the telescopic column (4) is slidably arranged in the sliding groove (3), the tension detection mechanism (5) is arranged on the telescopic column (4), the clamp (6) is arranged on the lower end of the tension detection mechanism (5), the clamping mechanism is arranged on the lower end of the clamp (6) corresponding to the upper end of the base (1), the main control board (13) is arranged on the lower end of the clamping mechanism inside the base (1), the battery (14) is connected to the main control board (13), and the main control board (13) is also connected to the display screen (9) and the key (10) arranged on the front end of the base (1) and the USB interface (16) and the battery switch (15) arranged on the rear side of the base (1).
2. The tensile testing device for modified PP according to claim 1, characterized in that: The clamping mechanism comprises a third screw rod (26) arranged on the inner side of the upper end of the base (1), and the first clamping plate (7) and the second clamping plate (8) are arranged on the third screw rod (26) correspondingly, and the second motor (27) is connected to the outer side of the first clamping plate (7) on the base (1).
3. The tensile testing device for modified PP according to claim 2, characterized in that: The first clamping plate (7) and the second clamping plate (8) are provided with threaded plates (31) on the lower end of the third screw rod (26), the gear assembly (25) is arranged on the inner side of the second clamping plate (8), the gear assembly (25) comprises a main gear (28) arranged in the middle of the second clamping plate (8), the first from gear (29) is connected to the two sides of the main gear (28) correspondingly, the second from gear (30) is also gear-connected to the first from gear (29), and the lower ends of the first from gear (29) and the main gear (28) and the second from gear (30) on the two sides are gear-connected with the third screw rod (26).
4. The tensile testing device for modified PP according to claim 3, characterized in that: The main gear (28) is also connected with the first knob (11) on the outer side of the second clamping plate (8), and the first knob (11) is connected with the main control board (13) in the base (1).
5. The tensile testing device for modified PP according to claim 1, characterized in that: The fixed seat (17) is arranged on the upper end of the base (1) on the inner side of the bracket (2), the first motor (18) is arranged on the upper end of the fixed seat (17), the bevel gear (19) is drivingly connected to the first motor (18), the second knob (12) is arranged on one side of the bracket (2) of the bevel gear (19), and the first screw rod (20) is arranged on the upper end of the bevel gear (19).
6. The tensile testing device for modified PP according to claim 5, characterized in that: The first screw rod (20) is arranged on the inner side of the sliding groove (3), and the fixed plate (21) is further arranged on the inner side of the top of the bracket (2) of the first screw rod (20).
7. The tensile testing device for modified PP according to claim 1, characterized in that: The clamp (6) comprises a U-shaped plate (22) connected to the lower end of the tension detection mechanism (5), the second screw rod (23) is inserted into the U-shaped plate (22), and the third clamping plate (24) is arranged on the second screw rod (23) on the inner side of the U-shaped plate (22).