Impact resistance testing device for plastic particle product
By introducing a combination of servo motor and electromagnet into the impact-resistant test device of plastic particle products, the automatic recycling of metal balls is achieved, solving the cumbersome recycling process in the prior art and improving the testing efficiency.
Patent Information
- Application Number
- CN202420386432.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-29
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-02-28
AI Technical Summary
In the existing impact-resistant testing equipment for plastic particle products, the recycling process of metal balls is cumbersome, resulting in inefficient testing.
A test device including a transmission screw, a servo motor, a fixed pulley, an impact frame, an electromagnet and a buffer mechanism was designed. The fixed pulley was driven to rotate through a servo motor, and the impact parts were automatically recovered by the electromagnet, which simplified the recovery process of the metal ball.
It realizes automated recycling of the test process, shortens the testing time, improves the testing efficiency, and reduces the labor intensity of testers.
Smart Images
Figure CN222166784U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a plastic product, in particular to an impact resistance testing device for a plastic particle product. Background Art
[0002] Plastic particles refer to granular plastics, which are generally divided into more than 200 types and subdivided into thousands of types. They are one of the raw materials used to produce plastic products. When producing plastic products, plastic particles need to be mixed with raw materials to improve the strength of plastic products and extend the service life of plastic products. Therefore, they are widely used in the production of building components and plastic doors and windows and other building materials.
[0003] After the production of plastic products is completed, in order to ensure product quality, the products need to be impact tested before leaving the factory. The common impact test method is: place the sample at a low place, and let a metal ball of a certain weight fall freely from above the sample and hit the sample, and judge the impact resistance of the sample according to the degree of damage to the sample.
[0004] However, in the existing test equipment, after the metal ball falls, the tester needs to manually recover the metal ball and put it higher before the next test. Due to the large mass of the metal ball, it is difficult for the tester to lift it higher and reset it, which makes the test process more cumbersome. Therefore, how to simplify the test process and improve the test efficiency has become an urgent problem to be solved. Utility Model Content
[0005] The utility model provides a plastic particle product impact resistance testing device, which solves the above-mentioned problems existing in the use process of the prior art.
[0006] The technical solution of the utility model is achieved as follows: a plastic particle product impact resistance testing device comprises a test bench, the upper end of the test bench is fixedly connected with a mounting frame, the lower end of the mounting frame is rotatably connected with a transmission screw, the upper end of the mounting frame is fixedly connected with a transmission motor, the output shaft of the transmission motor passes through the mounting frame and is fixedly connected to the upper end of the transmission screw, the mounting frame is symmetrically provided with limit rods on a side away from the transmission screw, the limit rods and the transmission screw are cooperated with a lifting plate, the lifting plate is provided with an impact mechanism, the upper end of the test bench is fixedly connected with a plurality of fixing rods, the fixing rods are all cooperated with fixing clamps, and the test bench is provided with a buffer mechanism directly below the lifting plate.
[0007] The utility model is further configured as follows: the impact mechanism includes a servo motor, a fixed pulley and an impact frame, a through hole is opened through the lifting plate, a mounting plate is fixedly connected to the lifting plate on one side of the through hole, the servo motor is fixedly connected to the mounting plate, the output shaft of the servo motor passes through the mounting plate, the fixed pulley is fixedly connected to the output shaft of the servo motor, a steel cable is wound around the fixed pulley, and the impact frame is fixedly connected to the lower end of the steel cable.
[0008] The utility model is further configured as follows: the impact frame includes a fixing seat, an electromagnet and an impact piece, the steel cable is fixedly connected to the fixing seat, the electromagnet is fixedly connected to the fixing seat, and the impact piece is fixedly connected to the lower end of the fixing seat through the electromagnet.
[0009] The utility model is further configured as follows: the fixing clip includes an elastic clip and a fixing screw, the elastic clip is fixedly connected to the fixing rod, a threaded hole is opened on the upper end surface of the elastic clip, the fixing screw is threadedly connected and passes through and is threadedly connected in the threaded hole, and a contact piece is fixedly connected to the lower end of the fixing screw.
[0010] The utility model is further configured as follows: the buffer mechanism includes a plurality of shock absorbers and a buffer plate, the test bench is provided with a shock absorbing groove on the inner side of the fixing rod, the shock absorber is fixedly connected in the shock absorbing groove, and the buffer plate is fixedly connected to the upper end surface of the shock absorber.
[0011] The utility model is further configured as follows: the material of the buffer plate is a metal alloy, and a buffer pad is fixedly connected to the upper end of the buffer plate.
[0012] The utility model is further configured as follows: a through opening is provided at the upper end of the mounting frame for the servo motor and the fixed pulley to pass through.
[0013] In summary, the beneficial effects of the utility model are:
[0014] Before starting the test, the transmission screw drives the lifting frame to climb to the specified height. After the tester fixes the test sample with a fixing clamp, the impact piece on the impact mechanism falls freely from the impact mechanism and hits the sample to be tested. The fallen impact piece stops on the buffer mechanism. After taking the test sample, the tester places the impact piece directly under the impact mechanism. Then the servo motor in the impact mechanism drives the fixed pulley to rotate, so that the impact frame in the impact mechanism moves downward, and the impact piece on the buffer mechanism is adsorbed and fixed to the impact mechanism through the electromagnet, thereby realizing automatic recovery, shortening the test process and improving test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] 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 these drawings without paying creative labor.
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a structural schematic diagram of the lifting plate in the utility model;
[0018] Figure 3 This is a schematic diagram of the connection structure between the fixed pulley and the fixed seat in the utility model;
[0019] Figure 4 It is a structural schematic diagram of the elastic clip in the utility model.
[0020] Numbers in the figure: 1 test bench, 11 mounting frame, 12 transmission screw, 13 transmission motor, 14 limit rod, 15 fixing rod, 16 shock-absorbing groove, 17 through port, 2 lifting plate, 21 servo motor, 22 fixed pulley, 23 through port, 24 mounting plate, 25 steel cable, 3 impact frame, 31 fixing seat, 32 electromagnet, 33 impact member, 41 elastic clip, 42 fixing screw, 43 threaded hole, 44 contact piece, 51 shock absorber, 52 buffer plate, 53 buffer pad. DETAILED DESCRIPTION
[0021] The following will be combined with the attached embodiment of the present utility model Figure 1-4 , 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 them. Based on the embodiments of 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.
[0022] Example:
[0023] like Figures 1 to 4As shown, the utility model discloses an impact resistance test device for plastic particle products, including a test bench 1, and a mounting frame 11 is fixedly connected to the upper end of the test bench 1. Among them, a transmission screw 12 is rotatably connected to the lower end of the mounting frame 11, and a transmission motor 13 is fixedly connected to the upper end of the mounting frame 11. The output shaft of the transmission motor 13 passes through the mounting frame 11 and is fixedly connected to the upper end of the transmission screw 12. The mounting frame 11 is symmetrically provided with a limit rod 14 on the side away from the transmission screw 12, and the limit rod 14 and the transmission screw 12 are matched with a lifting plate 2. Further, an impact mechanism is provided on the lifting plate 2, and a plurality of fixed rods 15 are fixedly connected to the upper end of the test bench 1, and the fixed rods 15 are matched with fixed clamps for fixing the test sample. In addition, a buffer mechanism is provided on the test bench 1 directly below the lifting plate 2.
[0024] The fixing clamp includes an elastic clamp 41 and a fixing screw 42. The elastic clamp 41 is fixedly connected to the fixing rod 15. A threaded hole 43 is provided on the upper end surface of the elastic clamp 41. The fixing screw 42 is threadedly connected through and is threadedly connected in the threaded hole 43. A contact piece 44 is fixedly connected to the lower end of the fixing screw 42. Before starting the test, the four sides of the test sample are placed in the elastic clamp 41, and then the fixing screw 42 is tightened in sequence, so that the contact piece is held against the upper end surface of the test sample, thereby fixing the test sample to prevent the test sample from moving during the test and affecting the accuracy of the test results.
[0025] The impact mechanism includes a servo motor 21, a fixed pulley 22 and an impact frame 3. The specific structure of the impact mechanism is: a through hole 23 is opened on the lifting plate 2, a mounting plate 24 is fixedly connected to the lifting plate 2 on one side of the through hole 23, the servo motor 21 is fixedly connected to the mounting plate 24, the output shaft of the servo motor 21 passes through the mounting plate 24, the fixed pulley 22 is fixedly connected to the output shaft of the servo motor 21, and a through hole 17 for the servo motor 21 and the fixed pulley 22 to pass through is opened at the upper end of the mounting frame 11, and a steel cable 25 is wound around the fixed pulley 22, and the impact frame 3 is fixedly connected to the lower end of the steel cable 25;
[0026] Furthermore, the impact frame 3 includes a fixed seat 31, an electromagnet 32 and an impact member 33. The steel cable 25 is fixedly connected to the fixed seat 31, the electromagnet 32 is fixedly connected to the fixed seat 31, and the impact member 33 is fixedly connected to the lower end of the fixed seat 31 through the electromagnet 32. It should be noted here that the weight and shape of the impact member are diverse and can be replaced according to different test products.
[0027] The working principle of the impact mechanism is as follows: in the initial state, the impact piece 33 is adsorbed and fixed on the fixed seat 31 by the electromagnet 32. Before starting the test, the lifting plate 2 first climbs to a certain height. After the test sample is fixed, the electromagnet 32 no longer adsorbs the impact piece 33, so that the impact piece 33 falls freely and hits the sample to be tested; after the test is completed, the tester takes the test sample and places the impact piece 33 directly under the fixed seat 31. The servo motor 21 drives the fixed pulley 22 to rotate, so that the fixed seat 31 moves downward. At this time, the electromagnet 32 is energized and has magnetism. The tester manually adjusts the position of 32 so that it is facing the impact piece 33, and adsorbs the impact piece 33 on the fixed seat 31 to fix it, and then drives the impact piece 33 to rise to a high place, so as to recycle the impact piece 33, avoiding the tester manually resetting the impact piece 33 to a high place, making the recycling process easier and more convenient, thereby improving the test efficiency.
[0028] Furthermore, the buffer mechanism includes a plurality of shock absorbers 51 and a buffer plate 52. The test bench 1 is provided with a shock absorbing groove 16 on the inner side of the fixed rod 15. The shock absorber 51 is fixedly connected in the shock absorbing groove 16. The buffer plate 52 is fixedly connected to the upper end surface of the shock absorber 51. The material of the buffer plate 52 is a metal alloy. A buffer pad 53 is fixedly connected to the upper end of the buffer plate 52. Since the mass of the impact member 33 is large, the gravitational potential energy is large when it falls, and a large impact force is generated when it hits downward. The buffer mechanism can buffer the impact member 33 to prevent the impact member 33 from being damaged after falling, thereby extending the service life of the impact member 33.
[0029] It should also be pointed out that the terms used in the present invention, such as "front", "rear", "vertical", "horizontal", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only used to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention.
[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A device for testing the impact resistance of plastic particle products, comprising a test bench (1), characterized in that: The upper end of the test bench (1) is fixedly connected to a mounting frame (11), the lower end of the mounting frame (11) is rotatably connected to a transmission screw (12), the upper end of the mounting frame (11) is fixedly connected to a transmission motor (13), the output shaft of the transmission motor (13) passes through the mounting frame (11) and is fixedly connected to the upper end of the transmission screw (12), the mounting frame (11) is symmetrically provided with a limit rod (14) on a side away from the transmission screw (12), the limit rod (14) and the transmission screw (12) are cooperated with each other to form a lifting plate (2), the lifting plate (2) is provided with an impact mechanism, the upper end of the test bench (1) is fixedly connected to a plurality of fixing rods (15), each of the fixing rods (15) is cooperated with each other to form a fixing clamp, and the test bench (1) is provided with a buffer mechanism directly below the lifting plate (2).
2. The impact resistance testing device for plastic particle products according to claim 1, characterized in that: The impact mechanism comprises a servo motor (21), a fixed pulley (22) and an impact frame (3); a through hole (23) is formed through the lifting plate (2); a mounting plate (24) is fixedly connected to the lifting plate (2) on one side of the through hole (23); the servo motor (21) is fixedly connected to the mounting plate (24); an output shaft of the servo motor (21) passes through the mounting plate (24); the fixed pulley (22) is fixedly connected to the output shaft of the servo motor (21); a steel cable (25) is wound around the fixed pulley (22); and the impact frame (3) is fixedly connected to the lower end of the steel cable (25).
3. A plastic particle product impact resistance testing device according to claim 2, characterized in that: The impact frame (3) comprises a fixing seat (31), an electromagnet (32) and an impact member (33); the steel cable (25) is fixedly connected to the fixing seat (31); the electromagnet (32) is fixedly connected to the fixing seat (31); and the impact member (33) is fixedly connected to the lower end of the fixing seat (31) via the electromagnet (32).
4. The impact resistance testing device for plastic particle products according to claim 1, characterized in that: The fixing clamp comprises an elastic clamp (41) and a fixing screw (42); the elastic clamp (41) is fixedly connected to the fixing rod (15); a threaded hole (43) is provided on the upper end surface of the elastic clamp (41); the fixing screw (42) is threadedly connected through and in the threaded hole (43); and a contact piece (44) is fixedly connected to the lower end of the fixing screw (42).
5. The impact resistance testing device for plastic particle products according to claim 1, characterized in that: The buffer mechanism comprises a plurality of shock absorbers (51) and a buffer plate (52); the test bench (1) is provided with a shock absorbing groove (16) on the inner side of the fixing rod (15); the shock absorber (51) is fixedly connected in the shock absorbing groove (16); and the buffer plate (52) is fixedly connected to the upper end surface of the shock absorber (51).
6. The impact resistance testing device for plastic particle products according to claim 5, characterized in that: The material of the buffer plate (52) is a metal alloy, and a buffer pad (53) is fixedly connected to the upper end of the buffer plate (52).
7. The impact resistance testing device for plastic particle products according to claim 2, characterized in that: The upper end of the mounting frame (11) is provided with a through opening (17) for the servo motor (21) and the fixed pulley (22) to pass through.