Stretching device for mulching film processing process
The clamping mechanism, which combines an electric push rod and a magnetic block, solves the problem of unstable clamping in the mulch film tensile testing machine, and achieves stable fixing and accurate testing of the mulch film.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2026-03-24
AI Technical Summary
Existing plastic film tensile testing machines suffer from sample slippage or damage during clamping, leading to inaccurate test results and inconvenient manual operation.
The clamping mechanism uses an electric push rod and a magnetic block. The electric push rod drives the movement of the clamping seat and the cover plate, the magnetic block fixes the mulch film, and the threaded rod and the limit rod achieve stable clamping to prevent the mulch film from slipping and breaking.
This method achieves stable clamping of the plastic film, avoiding slippage and friction damage, and improving the accuracy and convenience of testing.
Smart Images

Figure CN224035100U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mulch tensile test technical field, specifically be a kind of tensile device of mulch processing process. BACKGROUND
[0002] In the mulch processing process, performance test is an important link to ensure that its quality meets the use requirements, these tests usually include physical properties, chemical stability and environmental adaptability and multiple aspects, among them, tensile strength and elongation at break are one of the key indicators to evaluate the mechanical properties of film, the maximum stress (tensile strength) that material can withstand under certain external force and the proportion of material length increase (elongation at break) in the process are determined by standard tensile testing machine, which helps to understand the ability of mulch to resist tearing.
[0003] The mulch tensile testing machine currently exists the problem of uneven sample clamping, because mulch material is usually very thin and soft, slipping or local damage is easy to occur during clamping, which may cause test results to be distorted, in order to reduce this influence, specially designed clamps need to be used, and uniform clamping force distribution needs to be ensured.
[0004] For example, a film tensile testing device with patent No. CN218782108U, the utility model discloses a silk sleeve clamping plate inside silk sleeve is matched with manual rotation screw rod and can drive silk sleeve clamping plate to move horizontally, and the stability of silk sleeve clamping plate movement can be limited through limiting slide bar, and the fixed clamping plate at the bottom of the clamping frame is matched with the horizontally moving silk sleeve clamping plate, so that one end of the plastic film with different thickness can be clamped and fixed, but the device needs to manually operate silk sleeve clamping plate to fix the mulch during use, which is very inconvenient, and because the mulch is soft and fragile, the inner wall of silk sleeve clamping plate will rub the film, resulting in sample damage and poor clamping effect, therefore, a tensile device for mulch processing process is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies of the prior art, the utility model provides a tensile device for mulch processing process, which has the advantages of stable clamping and damage prevention, solves the problem that the device needs to be manually operated during use to fix the mulch, which is very inconvenient, and because the mulch is soft and fragile, the inner wall of silk sleeve clamping plate will rub the film, resulting in sample damage and poor clamping effect.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: a tensile device for mulch processing process, comprising a base, a detection box is installed at the top of the base, a limiting plate is installed inside the detection box, a tensile meter is installed at the bottom of the limiting plate, a clamping mechanism is arranged inside the detection box, and two placing plates are installed inside the detection box.
[0007] The clamping mechanism comprises a first clamping seat, a first clamping seat is fixedly installed at the bottom of the top placing plate, a second clamping seat is installed at the top of the bottom placing plate, a cover plate is hinged to the left side of the first clamping seat, a first electric push rod is installed outside the cover plate, a pressing plate is connected to the front side of the first electric push rod, two second electric push rods are installed inside the first clamping seat, a horizontal plate is installed on the opposite side of each of the two second electric push rods, a reset spring is installed at the bottom of the horizontal plate, a first sponge plate is installed at the bottom of the reset spring, and a second sponge plate is installed at the front side of the pressing plate.
[0008] Further, a motor is installed inside the base, a threaded rod is connected to the output shaft of the motor, and a limiting rod is fixedly installed inside the detection box.
[0009] Further, the limiting rod and the threaded rod both penetrate the limiting plate, and the bottom of the tensile meter is connected to the top of the top placing plate.
[0010] Further, a magnetic attraction block is fixedly installed outside the first clamping seat, the second clamping seat and the cover plate, a lap plate is installed outside the cover plate, and the front side of the first electric push rod is connected to the lap plate.
[0011] Further, the first electric push rod penetrates the cover plate and is connected to the front side of the pressing plate, and two sliding grooves are formed in the interiors of the first clamping seat and the second clamping seat.
[0012] Further, the top and the bottom of the horizontal plate extend into the interiors of the two sliding grooves respectively, there are two groups of reset springs, each group of reset springs comprises three reset springs, and the two groups of reset springs are connected to the two first sponge plates respectively on the sides away from the horizontal plate.
[0013] Further, a controller is installed at the front side of the base, the controller is electrically connected to the motor, the first electric push rod and the second electric push rod, and a glass door is hinged to the front side of the detection box.
[0014] Compared with the prior art, the technical scheme has the following beneficial effects:
[0015] The stretching device of the mulch processing process can fix and stabilize the two ends of the mulch to be detected through the cooperation of the structures of the clamping mechanism, prevent the mulch from slipping during pulling to cause inaccurate detection or the mulch from being damaged due to excessive friction of the clamping equipment, and thus make the detection more accurate. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a three-dimensional schematic view of the utility model.
[0017] Figure 2 It is a sectional view schematic diagram of the utility model;
[0018] Figure 3 It is a local three-dimensional schematic diagram of the utility model;
[0019] Figure 4 It is a local side view schematic diagram of the utility model;
[0020] Figure 5 It is a local clamping mechanism schematic diagram of the utility model.
[0021] In the drawing: 1 base, 2 detection box, 3 limit plate, 4 tensiometer, 5 clamping mechanism, 501 first clamping seat, 502 second clamping seat, 503 cover plate, 504 first electric push rod, 505 pressing plate, 506 second electric push rod, 507 horizontal plate, 508 reset spring, 509 first sponge plate, 510 second sponge plate, 6 placement plate, 7 motor, 8 threaded rod, 9 magnetic suction block. DETAILED DESCRIPTION
[0022] 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 scope of the utility model.
[0023] Please refer to Figures 1-5 A stretching device for mulch processing process, including base 1, the top of base 1 is installed with detection box 2, the inside of detection box 2 is installed with limit plate 3, the bottom of limit plate 3 is installed with tensiometer 4, the inside of detection box 2 is provided with clamping mechanism 5, the inside of detection box 2 is installed with the placement plate 6 of two numbers;
[0024] Clamping mechanism 5 includes first clamping seat 501, the bottom of top placement plate 6 is fixedly installed with first clamping seat 501, the top of bottom placement plate 6 is installed with second clamping seat 502, the left side of first clamping seat 501 is hinged with cover plate 503, the outside of cover plate 503 is installed with first electric push rod 504, the front side of first electric push rod 504 is connected with pressing plate 505, the inside of first clamping seat 501 is installed with the second electric push rod 506 of two numbers, the opposite of two second electric push rods 506 installs horizontal plate 507, the bottom of horizontal plate 507 is installed with reset spring 508, the bottom of reset spring 508 is installed with first sponge plate 509, the front side of pressing plate 505 is installed with second sponge plate 510.
[0025] In Figure 1 andFigure 2 The inside of the base 1 is internally mounted with a motor 7, and the output shaft of the motor 7 is connected with a threaded rod 8, and the inside of the detection box 2 is fixedly mounted with a limiting rod.
[0026] Specifically, the controller drives the motor 7 to start, at this time, the rotating threaded rod 8 drives the first clamping seat 501 to move upwards, and the tensile test of the mulch film is carried out, and when the mulch film is broken, it can be stopped.
[0027] In Figure 1 and Figure 2 , the limiting rod and the threaded rod 8 all penetrate through the limiting plate 3, and the bottom of the tensile tester 4 and the top of the top placing plate 6 are connected with each other.
[0028] Specifically, the tensile tester 4 can detect the force used when the mulch film is stretched, and the tensile strength of the mulch film can be more conveniently detected.
[0029] In Figure 1 and Figure 3 , the outside of the first clamping seat 501, the second clamping seat 502 and the cover plate 503 is fixedly mounted with a magnetic block 9, and the outside of the cover plate 503 is mounted with a lap plate, and the front side of the first electric push rod 504 is connected with the lap plate.
[0030] Specifically, through the cooperation of each structure of the clamping mechanism 5, the two ends of the mulch film to be detected can be fixed stably, and the mulch film is prevented from slipping during pulling to cause inaccurate detection or the mulch film is damaged due to excessive friction of the clamping equipment, so that the detection is more accurate. The clamping mechanism 5 comprises the first clamping seat 501, the second clamping seat 502, the cover plate 503, the first electric push rod 504, the pressing plate 505, the second electric push rod 506, the cross plate 507, the reset spring 508, the first sponge plate 509 and the second sponge plate 510.
[0031] In Figure 2 , Figure 3 and Figure 4 , the first electric push rod 504 penetrates through the cover plate 503 and is connected with the front side of the pressing plate 505, and the inside of the first clamping seat 501 and the second clamping seat 502 is provided with two sliding grooves.
[0032] Specifically, the first clamping seat 501 and the second clamping seat 502 are arranged to fix the two ends of the top and bottom of the mulch film, and when the cover plate 503 is closed, the two groups of magnetic blocks attract each other to stabilize the cover plate 503, and at this time, the mulch film is preliminarily limited.
[0033] In Figure 2 , Figure 3 and Figure 4In the specific implementation, the top and bottom of the horizontal plate 507 extend into the two sliding grooves respectively, and the reset spring 508 is provided in two groups, and each group of the reset spring 508 is provided with three reset springs.
[0034] Specifically, the controller drives the second electric push rod 506 to extend and retract, so that the two horizontal plates 507 move in opposite directions or opposite directions, and the second sponge plate 510 at the bottom can fix the left and right sides of the mulch film, so as to ensure that the mulch film is fixed more stably.
[0035] In Figure 2 , Figure 3 and Figure 5 , the controller is installed on the front side of the base 1, the controller is electrically connected with the motor 7, the first electric push rod 504 and the second electric push rod 506, and the front side of the detection box 2 is hingedly connected with a glass door.
[0036] In summary, the stretching device of the mulch film processing process is provided with the cover plate 503, when the cover plate 503 is closed, the two groups of magnetic attraction blocks 9 are attracted to make the cover plate 503 stable, at this time, the mulch film can be preliminarily positioned, then the controller drives the first electric push rod 504 to drive the pressing plate 505 to move forward, so that the pressing plate 505 further fixes the mulch film, and the first sponge plate 509 can protect the surface of the mulch film to prevent the mulch film from being damaged due to extrusion, and the geothermal field electric push rod 506 is provided.
[0037] In use, first, the top of the mulch film is placed in the first clamping seat 501, the mulch film is flattened on the left and right sides, the two second electric push rods 506 are extended, the horizontal plate 507 is moved to the appropriate position, at this time, the left and right sides of the mulch film are placed below the two first sponge plates 509, the reset spring 508 drives the first sponge plate 509 to reset, the mulch film is pressed, then the cover plate 503 is closed, at this time, the first electric push rod 504 drives the pressing plate 505 to move, further fixing the mulch film stably, the same operation is performed to fix the bottom of the mulch film in the second clamping seat 502, then the controller drives the motor 7 to start, at this time, the rotating threaded rod 8 drives the first clamping seat 501 to move upwards, and the mulch film is tested for tensile strength, and when the mulch film breaks, the test is stopped, at this time, the tensile strength value is fed back to the tensile tester 4, and the user can read the value conveniently.
[0038] The electrical components appearing in the present application are all electrically connected with the controller and 220V mains, and the controller can be a conventional known device controlled by a computer, and the specific model and specification of each device need to be selected and determined according to the actual specification of the device, and the specific selection and calculation method adopts the existing technology in the art, so it will not be described in detail.
[0039] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.
[0040] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.
Claims
1. A stretching device for mulch film processing, comprising a base (1), characterized in that: The top of the base (1) is provided with a detection box (2), the inside of the detection box (2) is provided with a limiting plate (3), the bottom of the limiting plate (3) is provided with a tension meter (4), the inside of the detection box (2) is provided with a clamping mechanism (5), and the inside of the detection box (2) is provided with two placing plates (6); The inside of the base (1) is provided with a motor (7), and the output shaft of the motor (7) is connected with a threaded rod (8); The clamping mechanism (5) comprises a first clamping seat (501) and a second clamping seat (502), and the outer sides of the first clamping seat (501), the second clamping seat (502) and the cover plate (503) are fixedly provided with magnetic blocks (9); The clamping mechanism (5) further comprises: a cover plate (503) hinged to the left side of the first clamping seat (501); A first electric push rod (504) is arranged outside the cover plate (503), and the first electric push rod (504) penetrates the cover plate (503) and is connected with the front side of the pressing plate (505); Two second electric push rods (506) are arranged inside the first clamping seat (501), and the opposite sides of the two second electric push rods (506) are provided with transverse plates (507), and the second electric push rods (506) are used for driving the two transverse plates (507) to move in opposite directions; Two groups of reset springs (508), each group of reset springs (508) is three, the bottom of the transverse plate (507) is provided with a first sponge plate (509) through the reset spring (508); A second sponge plate (510) is arranged on the front side of the pressing plate (505).
2. The drawing device for mulch film processing according to claim 1, wherein: The bottom of the tension meter (4) is connected with the top of the placing plate (6).
3. The stretching device for mulch film processing according to claim 1, wherein: The front side of the pressing plate (505) is provided with a second sponge plate (510).
4. The stretching device for mulch film processing according to claim 1, wherein: The front side of the detection box (2) is hinged with a glass door.
Citation Information
Patent Citations
Film tension testing device
CN218782108U