Plastic film impact resistance tester
By introducing an electromagnetic plate and a stepper motor driven transmission system into the plastic film impact tester, the test block can be easily adjusted and replaced at different positions on the film, solving the problem of inconvenient operation of existing equipment and improving testing efficiency and flexibility.
Patent Information
- Application Number
- CN202423210078.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing plastic film impact testers are difficult to adjust the position of the test block conveniently, making it difficult to perform impact tests on different locations on the film, and are inconvenient to operate.
A plastic film impact resistance tester was designed, which uses a combination of an electromagnetic plate and a test block. The test block is conveniently attracted and adjusted to different positions on the electromagnetic plate by a stepper motor driven by a transmission screw lifting seat. Combined with the replaceable test block specifications, the operation process is simplified.
It enables convenient impact testing of test blocks at different locations on thin films, is simple and efficient to operate, adapts to various testing needs, and improves testing efficiency.
Smart Images

Figure CN223711307U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to plastic film detection technical field, concretely is a kind of plastic film impact tester. BACKGROUND
[0002] Plastic film is made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, mainly used for packaging or film layer, plastic packaging and plastic packaging products in market share is more and more big, especially composite plastic soft packaging, has been widely used in food, medicine, chemical industry and other fields, among which food packaging is the largest proportion, in addition, in the field of agriculture, plastic film also has wide application.
[0003] Plastic film will be subjected to impact test after production, to detect the impact resistance of plastic film, which is very important in agricultural film to deal with rain and hail weather, but the existing plastic film impact tester is difficult to conveniently adjust the position of test block, and it is difficult to conveniently detect the impact resistance of different positions on the film, and the operation is not convenient, therefore a plastic film impact tester is proposed here. UTILITY MODEL CONTENT
[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a plastic film impact tester, which effectively solves the problems existing in the impact detection of the existing plastic film.
[0005] To achieve the above object, the utility model provides the following technical scheme: a plastic film impact tester, including base, the base upper end middle part is provided with gasket, the base upper end both sides of gasket are formed with fixed seat, the fixed seat upper end is provided with top plate, the top plate middle part is provided with fastening screw, the fastening screw one end through top plate is provided with clamping plate, the clamping plate lower end and the fixed seat inner bottom end are all glued with antiskid pad, the base one side wall middle part is provided with connecting frame, the connecting frame upper end middle part is provided with stepping motor, the stepping motor transmission output end is provided with transmission screw rod, the transmission screw rod periphery in the connecting frame is provided with lifting seat, the lifting seat lower end in the connecting frame one side is provided with electromagnetic plate, the electromagnetic plate lower end is provided with test block.
[0006] Preferably, the lower end of the gasket is glued to the upper end of the base, the top plate is connected to the upper end of the fixed seat by bolts, and the gasket can protect the upper end of the base.
[0007] Preferably, the fastening screw is connected with the middle part of the top plate through thread, the lower end of the fastening screw is connected with the middle part of the upper end of the clamping plate through bearing, the clamping plate is slidably connected with the inner wall of the fixed seat, the height of the clamping plate can be adjusted by rotating the fastening screw, so that the clamping plate can clamp the plastic film at the inner bottom end of the fixed seat, and the anti-skid pad can ensure the stability of the clamping of the plastic film.
[0008] Preferably, the connecting frame is connected with the side wall of the base through bolts, the stepping motor is connected with the upper end of the connecting frame through bolts, and the transmission output end of the stepping motor is connected with the upper end of the transmission screw through a key.
[0009] Preferably, the upper end of the transmission screw is connected with the upper end of the connecting frame through bearing, the lower end of the transmission screw is connected with the inner bottom end of the connecting frame through bearing, the transmission screw is connected with the lifting seat through thread, and the lifting seat is slidably connected with the inner wall of the connecting frame.
[0010] Preferably, the lifting seat is connected with the upper end of the electromagnetic plate through bolts, and the upper end of the test block is magnetically connected with the lower end of the electromagnetic plate.
[0011] Compared with the prior art, the plastic film impact resistance tester has the advantages that:
[0012] In the plastic film impact resistance tester, the electromagnetic plate and the test block are arranged, so that the test block can be conveniently adsorbed at different positions of the lower end of the electromagnetic plate to perform impact test on different positions of the film, the test block can be replaced with different specifications according to test requirements, the operation is simple and convenient, and the test efficiency is high. BRIEF DESCRIPTION OF DRAWINGS
[0013] The drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:
[0014] Fig. 1 It is a structural schematic view of the present application;
[0015] Fig. 2 It is a structural schematic view of the fastening screw and the clamping plate in the present application;
[0016] Fig. 3 It is a structural schematic view of the test block in the present application;
[0017] In the diagram: 1. Base; 2. Pad; 3. Fixing seat; 4. Top plate; 5. Fastening screw; 6. Clamping plate; 7. Anti-slip pad; 8. Connecting frame; 9. Stepper motor; 10. Transmission screw; 11. Lifting seat; 12. Electromagnetic plate; 13. Test block. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0019] In this embodiment, by Figs. 1-3 The present invention includes a base 1, a pad 2 at the upper center of the base 1, and fixed seats 3 formed on the upper ends of the base 1 on both sides of the pad 2. A top plate 4 is provided on the upper end of the fixed seat 3, and a fastening screw 5 is provided in the middle of the top plate 4. A clamping plate 6 is provided at one end of the fastening screw 5 through the top plate 4. Anti-slip pads 7 are glued to the lower end of the clamping plate 6 and the inner bottom end of the fixed seat 3. A connecting frame 8 is provided in the middle of one side wall of the base 1. A stepper motor 9 is provided in the middle of the upper end of the connecting frame 8. A transmission screw 10 is provided at the transmission output end of the stepper motor 9. A lifting seat 11 is provided around the transmission screw 10 located in the connecting frame 8. An electromagnetic plate 12 is provided at the lower end of the lifting seat 11 located on one side of the connecting frame 8. A test block 13 is provided at the lower end of the electromagnetic plate 12. The test block 13 is made of metal and can be magnetically attracted.
[0020] The lower end of the pad 2 is glued to the upper end of the base 1, and the top plate 4 is connected to the upper end of the fixed seat 3 by bolts. The pad 2 can protect the upper end of the base 1.
[0021] The fastening screw 5 is threaded to the middle of the top plate 4, and the lower end of the fastening screw 5 is connected to the middle of the upper end of the clamping plate 6 through a bearing. The clamping plate 6 is slidably connected to the inner wall of the fixing seat 3. The height of the clamping plate 6 can be adjusted by rotating the fastening screw 5 so that the clamping plate 6 can cooperate with the inner bottom end of the fixing seat 3 to clamp the plastic film. The anti-slip pad 7 can ensure the stability of the plastic film being clamped and fixed.
[0022] The connecting frame 8 is connected to the side wall of the base 1 through bolts, the stepping motor 9 is connected to the upper end of the connecting frame 8 through bolts, the transmission output end of the stepping motor 9 is connected to the upper end of the transmission screw rod 10 through a key, the stepping motor 9 can drive the transmission screw rod 10 to rotate when working, the upper end of the transmission screw rod 10 is connected to the upper end of the connecting frame 8 through a bearing, the lower end of the transmission screw rod 10 is connected to the inner bottom end of the connecting frame 8 through a bearing, the transmission screw rod 10 is connected to the lifting seat 11 through threads, the lifting seat 11 is connected to the inner wall of the connecting frame 8 in a sliding mode, and the transmission screw rod 10 can drive the lifting seat 11 to lift and lower when rotating.
[0023] The lifting seat 11 is connected to the upper end of the electromagnetic plate 12 through bolts, the upper end of the test block 13 is connected to the lower end of the electromagnetic plate 12 in a magnetic mode, the electromagnetic plate 12 can synchronously lift and lower with the lifting seat 11, and the test block 13 can be separated from the electromagnetic plate 12 when the electromagnetic plate 12 is powered off.
[0024] Working principle: The plastic film impact resistance tester uses an external power supply and is controlled by an external control device to work. When the tester is used, the film to be tested is tensioned, and the two ends of the film are fixed under the clamping plates 6 at the two ends of the base 1. The height of the clamping plate 6 can be adjusted by rotating the fastening screw 5, so that the clamping plate 6 can clamp the plastic film in cooperation with the inner bottom end of the fixed seat 3. The anti-skid pad 7 can ensure the stability of the plastic film clamped and fixed. The stepping motor 9 can drive the transmission screw rod 10 to rotate when working. The transmission screw rod 10 can drive the lifting seat 11 and the electromagnetic plate 12 to lift and lower when rotating, so as to adjust the height of the test block 13. The test block 13 can be conveniently adsorbed at different positions at the lower end of the electromagnetic plate 12, so as to impact test different positions on the film. After the test block 13 is adjusted to the test height, the electromagnetic plate 12 is powered off, so that the test block 13 is separated from the electromagnetic plate 12. Then the test block 13 will fall downward and hit the test film. The test block 13 can be replaced with different specifications according to test requirements, and the operation is simple and convenient. The liner 2 can protect the upper end of the base 1.
[0025] It should be noted that, in the present document, the terms“first”,“second”, etc. are used merely to differentiate one entity or action from another, and do not necessarily require or imply any actual such relationship or order between such entities or actions. Also, the terms“comprises”,“comprising”, or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A plastic film impact tester comprising a base (1) characterised in that: The base (1) upper end middle part is provided with a gasket (2), the gasket (2) both sides are formed with fixed seat (3) on the base (1) upper end, the fixed seat (3) upper end is provided with a top plate (4), the top plate (4) middle part is provided with a fastening screw (5), the fastening screw (5) penetrates one end of the top plate (4) and is provided with a clamping plate (6), the clamping plate (6) lower end and the fixed seat (3) inner bottom end are glued with anti-skid pad (7), the base (1) one side wall middle part is provided with a connecting frame (8), the connecting frame (8) upper end middle part is provided with a stepping motor (9), the stepping motor (9) transmission output end is provided with a transmission screw rod (10), the transmission screw rod (10) is provided with a lifting seat (11) in the connecting frame (8), the lifting seat (11) lower end is provided with an electromagnetic plate (12) on the one side of the connecting frame (8), the electromagnetic plate (12) lower end is provided with a test block (13).
2. A plastic film impact resistance tester according to claim 1, wherein: The gasket (2) lower end is glued with the base (1) upper end, and the top plate (4) is connected with the fixed seat (3) upper end by bolts.
3. The impact tester for plastic film according to claim 1, wherein: The fastening screw (5) is connected with the top plate (4) middle part by thread, and the fastening screw (5) lower end is connected with the clamping plate (6) upper end middle part by bearing.
4. The impact tester for plastic film according to claim 1, wherein: The connecting frame (8) is connected with the base (1) side wall by bolts, and the stepping motor (9) is connected with the connecting frame (8) upper end by bolts.
5. The impact tester for plastic film according to claim 1, wherein: The transmission screw rod (10) upper end is connected with the connecting frame (8) upper end by bearing, and the transmission screw rod (10) lower end is connected with the connecting frame (8) inner bottom end by bearing.
6. The impact tester for plastic film according to claim 1, wherein: The transmission screw rod (10) and the lifting seat (11) are connected by thread, and the lifting seat (11) is connected with the connecting frame (8) inner wall by sliding. The lifting seat (11) is connected with the electromagnetic plate (12) upper end by bolts, and the test block (13) upper end is connected with the electromagnetic plate (12) lower end by magnetic attraction.