CN216349931U

CN216349931U - Test fixture of braid product braid intensity

Info

Publication number: CN216349931U
Application number: CN202122438223.4U
Authority: CN
Inventors: 何东石; 刘泳澎; 伍小军
Original assignee: Zhaoqing Beryl Electronic Technology Co ltd
Current assignee: Zhaoqing Beryl Electronic Technology Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-04-19
Anticipated expiration: 2031-10-09

Abstract

The utility model discloses a jig for testing the strength of a braid product, which comprises a base, support columns, a connecting rod and weights, wherein the support columns are arranged on the base; a group of mutually matched operation tables are symmetrically arranged at the top of the base, the top of each operation table is fixedly connected with a sponge mat, the base is fixedly connected with a support column at the top of the base, the support column is hinged with a connecting rod on the inner side of the top end of the support column through an adjusting valve, a rod hole is formed in the connecting rod, a fixed rod is arranged in the rod hole, a weight is slidably arranged on the outer side of the fixed rod, and the bottom of the weight is attached to the top of the sponge mat; the utility model improves the reliability of the measuring system by reducing the deviation of the electrolytic capacitor braid dynamic test speed, direction and the like to the result, so that the test result is more reasonable, the product is prevented from being damaged, the destructive test is changed into the non-destructive test, the operability of the test is improved, and learners can learn the operation instantly through demonstration or operation instruction books.

Description

Test fixture of braid product braid intensity

Technical Field

The application relates to a braid intensity inspection technical field especially relates to a test fixture of braid product braid intensity.

Background

The strength of the braid product is one of the projects which must be checked, the strength of the braid is insufficient, the braid is easy to loosen, incline and even fall off during storage or use by customers, and great inconvenience is brought to the use of the customers. Most of the tools used for testing the strength of the existing braid are tensiometers, the braid can be subjected to destructive traction until a product is pulled down from the braid, the maximum tensile value in the reading process is used as judgment, and in the testing of the strength of the braid of the electrolytic capacitor, a testing jig is indispensable to use.

However, in the dynamic test of the electrolytic capacitor braid, the pulling force is related to the pulling speed, the maximum value in the process is read as the basis for judging the strength of the braid, the test is unreasonable, and the product causes irreversible damage and belongs to destructive test; in addition, in the electrolytic capacitor braid test process, the consistency of speed and tension direction is uncontrollable, the result difference of the same product detected by the same person for multiple times is large, the difference of the same product detected by different persons is also large, and thus the repeatability and the reproducibility of the measuring system are poor.

Disclosure of Invention

The utility model aims to: the testing jig for the strength of the braid product is provided, and solves the problems that in a dynamic test, the pulling force is related to the pulling speed, the maximum value in the process is read as the basis for judging the strength of the braid, the unreasonable strength is caused, the product is irreversibly damaged, and the testing jig belongs to a destructive test; in addition, in the test process, the consistency of the speed and the tension direction is uncontrollable, the result difference of the same product detected by the same person for multiple times is large, and the difference of the same product detected by different persons is also large, so that the repeatability and the reproducibility of the measurement system are poor.

The technical scheme of the utility model is as follows: a jig for testing the strength of a braid product comprises a base, support columns, connecting rods and weights; a group of mutually matched operation tables are symmetrically arranged at the top of the base, sponge pads are fixedly connected at the top of the operation tables, the base is fixedly connected with a supporting column at the top of the base, the supporting column is hinged with a connecting rod at the inner side of the top end part of the supporting column through an adjusting valve, a rod hole is arranged in the connecting rod, and a fixed rod is arranged in the rod hole, the weight is slidably arranged on the outer side of the fixed rod, the bottom of the weight is attached to the top of the spongy cushion, the top end part of the weight is rotationally connected with a hook through a rotating shaft, the front end part of the connecting rod is fixedly connected with a bracket, the front side of the bracket is provided with a hanging column, by replacing the tension meter with a weight with fixed weight, the tension is changed from variable force to constant force, and the weight is penetrated on the fixed rod which can freely slide up and down, so that the gravity of the weight is completely converted into the pulling force of the product.

Furthermore, two sets of spouts have been seted up to the top symmetry of base, the bottom symmetry of operation panel is equipped with a set of slider that suits with the spout, and slider slidable mounting is in the inside of spout, and the slider can be opened the operation panel with the spout to in the maintenance column casing.

Furthermore, the top fixed mounting of base has the column casing, a set of mounting groove has been seted up to circumference array on the inner wall of column casing, and through expanding spring fixedly connected with card ball on the inner wall of mounting groove, can be convenient for install or pull down the dead lever, change the weight of different quality, can carry out the braid inspection to different braid products.

Furthermore, the bottom end of the fixing rod is attached to the bottom wall of the column casing, and the opposite side of the clamping ball is attached to the outer side of the bottom of the fixing rod, so that the fixing rod can be replaced conveniently.

Furthermore, a group of magnet sheets are symmetrically arranged on the opposite sides of the operating platform, a group of circular holes are symmetrically formed in the opposite sides of the operating platform, the inner diameter of each circular hole is matched with the outer diameter of each clamping ball, and the magnet sheets are used for preventing the operating platform from being separated.

Furthermore, a group of circular holes are symmetrically formed in the opposite sides of the spongy cushion, and the inner diameter of each circular hole is matched with the outer diameter of the fixing rod in specification and size.

Furthermore, a group of screw holes are formed in the front array of the support, hanging columns are connected to the inner threads of the screw holes, and the hanging columns with different diameters can be replaced according to different braid products, so that stability during braid inspection is guaranteed.

Furthermore, the bottom of base is the rectangle symmetry and is equipped with a set of telescopic link, the outside slidable mounting of the flexible end of telescopic link has the component pole, and the top portion of component pole is connected with the bottom of base, buffer spring has been cup jointed in the outside of the flexible end of telescopic link, and buffer spring's top portion is connected with the bottom of component pole, the bottom portion fixed mounting of telescopic link has firm foot, can be used to cushion the effort when weight drops to avoid the inspection tool impaired.

Compared with the prior art, the utility model has the beneficial effects that:

1. the tension meter is replaced by the weight with fixed weight, so that the tension is converted from the changing force into the constant force, and the weight penetrates through the fixed rod capable of freely sliding up and down, so that the gravity of the weight is completely converted into the tension of a product; the method has the advantages that the deviation of the electrolytic capacitor braid dynamic test speed, direction and the like on the result is reduced, the reliability of a measuring system is improved, the test result is more reasonable, the product is prevented from being damaged, the destructive test is changed into the non-destructive test, the operability of the test is improved, learners can learn to operate instantly through demonstration or operation instruction books, and meanwhile, the accuracy of the test result can be ensured.

2. The fixing rod can be conveniently installed or detached through the column barrel and the clamping ball, weights with different qualities can be replaced, and braid inspection can be carried out on different electrolytic capacitor braid products; the operating platform can be opened by arranging the sliding block and the sliding groove so as to be convenient for overhauling the column casing; in addition, the hanging columns are installed in a threaded connection mode, so that the hanging columns with different diameters can be replaced according to different braid products, and the stability of the electrolytic capacitor braid during inspection is ensured.

3. The telescopic rod and the buffer spring can be used for buffering the acting force when the weight falls off, so that the inspection jig is prevented from being damaged; in addition, the component force rod can ensure the stability of the telescopic rod during the buffering and shock absorption, and can decompose the acting force, reduce the stress of the telescopic rod and the buffer spring and prolong the service life of the telescopic rod and the buffer spring.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic perspective view of an inspection jig according to the present invention;

FIG. 2 is a schematic view of the braid strength test three-dimensional display structure of FIG. 1;

FIG. 3 is a schematic view of a three-dimensional disassembled structure of the inspection jig of the present invention;

FIG. 4 is a perspective view of the console of the present invention;

FIG. 5 is a perspective view of a cushioning member according to the present invention;

FIG. 6 is a schematic diagram illustrating the determination criteria of the hot-melt adhesive tape in a load test;

wherein: 1. a base; 2. a support pillar; 3. adjusting a valve; 4. a connecting rod; 5. a support; 6. hanging a column; 7. fixing the rod; 8. an operation table; 9. a sponge cushion; 10. a weight; 11. hooking; 12. stabilizing the feet; 13. a screw hole; 14. a rod hole; 15. a chute; 16. a column casing; 17. blocking the ball; 18. a slider; 19. a telescopic rod; 20. a force-dividing rod; 21. a buffer spring; 22. and a magnet piece.

Detailed Description

The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions used in the examples may be further adjusted according to specific conditions, and the conditions used in the experiments are not specifically mentioned.

As shown in fig. 1 to 2, a jig for testing the braiding strength of a braided product comprises a base 1, a support column 2, a connecting rod 4 and a weight 10; a group of operation tables 8 which are matched with each other are symmetrically arranged on the top of the base 1, a sponge cushion 9 is fixedly connected to the top of each operation table 8, the base 1 is fixedly connected with a support column 2 on the top of the base 1, the support column 2 is hinged to a connecting rod 4 on the inner side of the top end of the support column 2 through an adjusting valve 3, a rod hole 14 is formed in the connecting rod 4, a fixing rod 7 is arranged in the rod hole 14, a weight 10 is slidably mounted on the outer side of the fixing rod 7, the bottom of the weight 10 is attached to the top of the sponge cushion 9, the top end of the weight 10 is rotatably connected with a hook 11 through a rotating shaft, a support 5 is fixedly connected to the front end of the connecting rod 4, and a hanging column 6 is arranged on the front side of the support 5; a group of screw holes 13 are formed in the front face array of the support 5, and hanging columns 6 are connected to the inner threads of the screw holes 13.

When the electrolytic capacitor braid strength inspection jig is used, firstly, continuous electrolytic capacitor braid samples are extracted from a machine table, the bottoms of the electrolytic capacitor braid samples are downwards fixed on a support 5, a weight 10 is held by one hand to be lifted, and a hook 11 of the weight 10 is placed between two guide pins by the other hand; the hand holding the weight 10 is loosened, simultaneously, a 'start' key of a stopwatch is pressed for timing, and during timing, the joint of the guide pin and the adhesive tape is watched by eyes; when the guide pin starts to move, a 'stop' key of the stopwatch is pressed, the time value on the stopwatch is read, 2-7 items are repeated twice, and the shortest time is recorded on an operation daily report form, so that the test of the braid strength of the electrolytic capacitor is completed.

As shown in fig. 3 to 4, two sets of sliding grooves 15 are symmetrically formed in the top of the base 1, a set of sliding blocks 18 adapted to the sliding grooves 15 are symmetrically formed in the bottom of the operating platform 8, and the sliding blocks 18 are slidably mounted inside the sliding grooves 15; the top of the base 1 is fixedly provided with a column 16, a group of mounting grooves are circumferentially arrayed on the inner wall of the column 16, and the inner wall of each mounting groove is fixedly connected with a clamping ball 17 through a telescopic spring; the bottom end of the fixed rod 7 is attached to the bottom wall of the column barrel 16, and the opposite side of the clamping ball 17 is attached to the outer side of the bottom of the fixed rod 7; a group of magnet sheets 22 are symmetrically arranged on the opposite side of the operating platform 8, a group of circular holes are symmetrically formed on the opposite side of the operating platform 8, and the inner diameter specification of each circular hole is matched with the outer diameter specification and size of the clamping ball 17; a group of circular holes are symmetrically formed in the opposite sides of the spongy cushion 9, and the inner diameter of each circular hole is matched with the outer diameter of the fixed rod 7 in specification and dimension.

The tension meter is replaced by the weight 10 with fixed weight, so that the tension is converted from the changing force into the constant force, and the weight 10 penetrates through the fixing rod 7 capable of freely sliding up and down, so that the gravity of the weight 10 is completely converted into the tension of a product; the method has the advantages that the deviation of the electrolytic capacitor braid dynamic test speed, direction and the like on the result is reduced, the reliability of a measuring system is improved, the test result is more reasonable, the product is prevented from being damaged, the destructive test is changed into the non-destructive test, the operability of the test is improved, learners can learn to operate instantly through demonstration or operation instruction books, and meanwhile, the accuracy of the test result can be ensured. The fixing rod 7 can be conveniently installed or detached through the arranged column barrel 16 and the clamping ball 17, weights 10 with different qualities can be replaced, and braid inspection can be carried out on different braid products; the slide block 18 and the slide groove 15 are arranged to open the operating platform 8 so as to conveniently overhaul the column casing 16; in addition, the hanging columns 6 are installed in a threaded connection mode, so that the hanging columns 6 with different diameters can be replaced according to different braid products, and the stability of the electrolytic capacitor during braid inspection can be ensured.

As shown in fig. 5, a set of telescopic rods 19 is symmetrically arranged at the bottom of the base 1 in a rectangular shape, a force dividing rod 20 is slidably mounted at the outer side of the telescopic end of the telescopic rod 19, the top end of the force dividing rod 20 is connected with the bottom of the base 1, a buffer spring 21 is sleeved at the outer side of the telescopic end of the telescopic rod 19, the top end of the buffer spring 21 is connected with the bottom of the force dividing rod 20, and a fixing foot 12 is fixedly mounted at the bottom end of the telescopic rod 19.

The telescopic rod 19 and the buffer spring 21 can be used for buffering the acting force when the weight 10 falls off, so that the inspection jig is prevented from being damaged; further, the component force lever 20 can ensure stability when the extendable rod 19 absorbs shock, and can decompose the acting force to reduce the force applied to the extendable rod 19 and the buffer spring 21, thereby prolonging the service life of the extendable rod 19 and the buffer spring 21.

The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by using equivalent substitutions or equivalent transformations fall within the scope of the present invention.

Claims

1. A jig for testing the strength of a braid product comprises a base (1), a support column (2), a connecting rod (4) and a weight (10); the method is characterized in that: a group of mutually matched operation platforms (8) are symmetrically arranged at the top of the base (1), and the top of the operating platform (8) is fixedly connected with a sponge cushion (9), the base (1) is fixedly connected with a supporting column (2) at the top thereof, the supporting column (2) is hinged with a connecting rod (4) at the inner side of the top end part of the supporting column through an adjusting valve (3), a rod hole (14) is formed in the connecting rod (4), a fixing rod (7) is arranged in the rod hole (14), the weight (10) is slidably arranged on the outer side of the fixing rod (7), the bottom of the weight (10) is attached to the top of the spongy cushion (9), the top end part of the weight (10) is rotatably connected with a hook (11) through a rotating shaft, the front end part of the connecting rod (4) is fixedly connected with a support (5), and a hanging column (6) is arranged on the front surface of the support (5).

2. The jig for testing the braiding strength of the braiding products according to claim 1, wherein two groups of sliding grooves (15) are symmetrically formed in the top of the base (1), one group of sliding blocks (18) matched with the sliding grooves (15) are symmetrically formed in the bottom of the operating platform (8), and the sliding blocks (18) are slidably mounted inside the sliding grooves (15).

3. The jig for testing the braiding strength of the braiding products according to claim 1, wherein a column (16) is fixedly installed at the top of the base (1), a group of installation grooves are circumferentially arrayed on the inner wall of the column (16), and clamping balls (17) are fixedly connected to the inner wall of the installation grooves through expansion springs.

4. The jig for testing the braiding strength of a braiding product according to claim 3, wherein the bottom end of the fixing rod (7) is attached to the bottom wall of the column casing (16), and the opposite side of the clamping ball (17) is attached to the outer side of the bottom of the fixing rod (7).

5. The jig for inspecting braiding strength of a braiding product according to claim 3, wherein a set of magnet pieces (22) are symmetrically arranged on opposite sides of the operating table (8), a set of circular holes are symmetrically arranged on opposite sides of the operating table (8), and the inner diameter of each circular hole is matched with the outer diameter of the clamping ball (17).

6. The jig for inspecting the braiding strength of the braiding products according to claim 1, wherein a group of circular holes are symmetrically formed in the opposite sides of the sponge pad (9), and the inner diameter of each circular hole is matched with the outer diameter of the fixing rod (7).

7. The jig for testing the braiding strength of the braiding products according to claim 1, wherein a group of screw holes (13) are formed in the front surface array of the bracket (5), and hanging columns (6) are connected to the inner threads of the screw holes (13) in a threaded manner.

8. The braiding strength testing jig for the braiding products according to claim 1, wherein a set of telescopic rods (19) are symmetrically arranged at the bottom of the base (1) in a rectangular shape, force dividing rods (20) are slidably mounted on the outer sides of the telescopic ends of the telescopic rods (19), the top ends of the force dividing rods (20) are connected with the bottom of the base (1), buffer springs (21) are sleeved on the outer sides of the telescopic ends of the telescopic rods (19), the top ends of the buffer springs (21) are connected with the bottom of the force dividing rods (20), and stabilizing feet (12) are fixedly mounted at the bottom ends of the telescopic rods (19).