A device for testing the top break performance of a sock and a method of testing the same

Abstract

The present application relates to the technical field of test equipment, in particular to a kind of sock burst performance testing device and testing method thereof, including foot mould body, a group of horizontally arranged guide rods, and sliding member is slidably arranged on the guide rod, the inner side of the sliding member is hinged with a shaft sleeve, the outer side of the sliding member is linked with direct-acting component, the direct-acting component drags sliding member to reciprocate on the guide rod;And support rod, pass through and gap fit with the shaft sleeve, the lower side of the support rod can be detachably connected with the foot mould body, and the upper side is provided with counterweight structure for improving the weight of support rod;And support table, set in the lower side of the foot mould body, the bottom of the support table is provided with lifting mechanism, and the lifting mechanism is used to adjust the position height in the vertical direction of the support table.The present application can effectively solve the problem that the current test method using simple linear impact is difficult to simulate the burst phenomenon of sock in actual wearing process.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of test equipment, in particular to a sock top breaking performance testing device and a testing method thereof. BACKGROUND

[0002] Socks are an indispensable part of life, and are prone to quality problems, such as sock top breaking. At present, there is no simulation test for sock top breaking in the test and verification of socks, but in the actual wearing process, the following situations often occur:

[0003] 1. In the wearing process of new products, the sock tip will break at the toe, which seriously shortens the service life of the sock and brings a poor experience to the customer experience;

[0004] 2. The existing national standards and industry standards only make provisions for the ball top breaking of the sock tip, and the test method for simulating the top breaking of the sock is still blank.

[0005] The existing national standards and industry standards only make provisions for the sock top breaking test method, and the existing top breaking device is composed of a ring-shaped clamp for clamping the sample and a steel ball-shaped top rod. The inner diameter of the ring-shaped clamp is 45mm, and the surface has a concentric groove to prevent the sample from slipping. The head of the top rod is a polished steel ball with a diameter of 25mm or 38mm. The sample is clamped in the circular ring sample clamp of the fixed base, and the spherical top rod is vertically topped to the sample at a constant moving speed, so that the sample is deformed until it breaks, to verify the top breaking strength. However, this simple linear impact test method is difficult to simulate the top breaking phenomenon of the sock in the actual wearing process.

[0006] In view of the above situation, the present application uses a sock top breaking assembly for test and verification, to obtain the sock top breaking test result as soon as possible and reduce the risk of new products in the wearing process. SUMMARY

[0007] Technical problem to be solved

[0008] In view of the above shortcomings of the prior art, the present application provides a sock top breaking performance testing device and a testing method thereof, which can effectively solve the problem that the current simple linear impact test method is difficult to simulate the top breaking phenomenon of the sock in the actual wearing process.

[0009] Technical scheme

[0010] To achieve the above purpose, the present application is realized by the following technical scheme:

[0011] The present application provides a sock top breaking performance testing device, which comprises a foot mold body;

[0012] A set of horizontally arranged guide rods and a sliding member slidingly arranged on the guide rods, an axle sleeve being hingedly connected to the inner side of the sliding member, and a direct-acting assembly being connected to the outer side of the sliding member and dragging the sliding member to reciprocally move on the guide rods;

[0013] A support rod passing through and being gap-fitted with the axle sleeve, a weight structure being detachably connected to the lower side of the support rod and arranged on the upper side of the support rod for increasing the weight of the support rod;

[0014] A support table being arranged on the lower side of the foot mold body, and a lifting mechanism being arranged on the bottom of the support table and used for adjusting the vertical position of the support table.

[0015] Another aspect of the present application provides a sock burst performance test method, which adopts the sock burst performance test method and comprises the following steps:

[0016] Wearing the test sock on the foot mold body;

[0017] According to the weight requirement, a weight corresponding to the weight of the support rod is arranged on the support rod;

[0018] The height of the support table is adjusted by the screw rod auxiliary structure, so that the bottom of the test sock is in contact with the top surface of the table plate;

[0019] The rotation speed and rotation number of the driving member are set according to the requirement, and the driving member is started.

[0020] Further, the sliding member comprises a pair of first rods arranged at intervals, the two ends of the first rod are fixedly connected with second rods arranged perpendicularly thereto, the end of the second rod is fixedly connected with a connecting ring, the inner side of the connecting ring is provided with a first linear bearing in interference fit, and the guide rod passes through the first linear bearing.

[0021] Further, a threaded hole is formed in the first rod, a cylindrical hole is formed on the outer side of the axle sleeve, the axis of the cylindrical hole is arranged perpendicularly to the axis of the axle sleeve, a long bolt is threadedly connected with the threaded hole, and the end of the long bolt is a light rod which is movably inserted into the cylindrical hole.

[0022] Further, the direct-acting assembly comprises a moving rod, a swing rod, a crank and a fixed seat, a moving block is slidingly arranged on the swing rod, the two ends of the swing rod are hingedly connected to the middle of the moving rod and the fixed seat, respectively, one end of the crank is hingedly connected with the moving block, the other end is connected with the driving member, the moving rod is parallelly arranged with the guide rod through a limiting member, and one end of the moving rod is fixedly connected with the second rod.

[0023] Further, the cabinet, the protective cover and the support frame are further included, the protective cover is fixedly arranged on the cabinet, both ends of the guide rod are fixed on the protective cover, and the support frame is fixed on the outer side of the protective cover; a through hole is arranged on the support frame and the protective cover along a straight line, a second linear bearing is fixed at the through hole, and the moving rod passes through the second linear bearing.

[0024] Further, the support table includes a table plate and a frame, the table plate is arranged in the frame in a gap mode, and a plurality of jacking bolts are threadedly connected around the frame and used for fixing the table plate.

[0025] Further, the frame is fixed with a reinforcing plate on both sides of the bottom, the reinforcing plate is fixed with a sleeve at the bottom, and the bottom of the frame is fixed with a first wedge-shaped block in the middle.

[0026] Further, the lifting mechanism structure includes a support frame, telescopic rods are fixed on both sides of the support frame, the upper ends of the telescopic rods are inserted into the sleeve in a fit mode, a mounting table is fixed in the middle of the support frame, a screw pair structure is arranged on the mounting table, a second wedge-shaped block is fixed on the sliding block of the screw pair structure, the top surface of the second wedge-shaped block is attached to the bottom surface of the first wedge-shaped block, and a hand wheel is fixed on the outer end of the screw rod of the screw pair structure.

[0027] Further, the outer part of the foot mold body is covered with a silica gel layer, and the silica gel layer is made of human silica gel.

[0028] Beneficial effects

[0029] Compared with the known prior art, the technical scheme provided by the application has the following beneficial effects:

[0030] The experimental device uses the foot mold body as a basic component, arranges the shaft sleeve on the sliding member in a rotating mode, arranges the support rod connected with the foot mold body at one end and the counterweight structure at the other end in a gap fit mode with the shaft sleeve, reciprocally moves the sliding member on the guide rod, drives the support rod to swing by a certain angle through the shaft sleeve, and makes the foot mold body contact the table surface of the support table from the heel to the forefoot in sequence, so that the walking or running process of an ordinary person on the ground can be well simulated, the human body weight is simulated through the counterweight structure, the load borne by the foot during walking is well simulated, and the test and verification of the sock product top breaking fatigue strength in the actual wearing process are better simulated. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to illustrate the technical solutions in the embodiments of the present application or the prior art more clearly, the accompanying drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort based on these drawings.

[0032] Figure 1 It is a left side perspective view of the experimental device of the present application.

[0033] Figure 2 It is a right side perspective view of the experimental device of the present application.

[0034] Figure 3 It is a front view of the experimental device of the present application and a schematic diagram of the direct moving assembly.

[0035] Figure 4 It is a side view of the lifting mechanism of the present application.

[0036] Figure 5 It is a partial schematic diagram of the inside of the protective cover of the present application.

[0037] Figure 6 It is a perspective view of the sliding member of the present application.

[0038] Figure 7 It is a perspective view of the bottom of the support table of the present application.

[0039] Figure 8 It is an upper side perspective view of the counterweight structure of the present application.

[0040] Figure 9 It is a lower side perspective view of the counterweight structure of the present application.

[0041] Figure 10 It is a schematic diagram of the change of the moving posture of the foot mold body following the sliding member of the present application.

[0042] The labels in the figure respectively represent: 10, foot mold body; 11, silica gel layer; 12, connecting block; 20, guide rod; 30, sliding piece; 31, first rod body; 32, second rod body; 33, connecting ring; 34, first linear bearing; 35, threaded hole; 40, shaft sleeve; 41, cylindrical hole; 42, long bolt; 50, direct acting assembly; 51, moving rod; 52, swing rod; 53, crank; 54, fixed seat; 56, driving piece; 57, moving block; 60, support rod; 61, planar cut groove; 70, counterweight structure; 71, tray, 72, weight; 73, groove; 74, protrusion; 80, support table; 81, table plate; 82, frame; 83, jacking bolt; 84, reinforcing plate; 85, sleeve; 86, first wedge-shaped block; 90, lifting mechanism; 91, bracket; 92, telescopic rod; 93, mounting table; 100, cabinet; 101, protective cover; 102, support frame; 103, through hole; 104, second linear bearing; 110, screw pair structure; 111, lead screw; 112, sliding block; 113, second wedge-shaped block; 114, hand wheel. DETAILED DESCRIPTION

[0043] To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described below in connection with the drawings of the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0044] The present application will be further described below in connection with the embodiments.

[0045] Embodiment:

[0046] The present application provides a sock burst performance testing device. The experimental device is mainly used to simulate the sock burst phenomenon in actual wearing process as much as possible, so as to obtain more accurate sock burst resistance test results and reduce the risk of new products in the wearing process.

[0047] Reference Figures 1-9 The main structure of the experimental product includes a cabinet 100 and a protective cover 101. The protective cover 101 is fixedly arranged on the cabinet 100. Both ends of the guide rod 20 are fixed on the protective cover 101. An open space is formed in the protective cover 101, which is used for installing various main components.

[0048] Its core components include a foot mold body 10, which is a plastic imitation mold body including a specific toe part to better simulate the actual situation of the foot breaking the socks, wherein the details of the toes are not shown in the drawing for simplicity. In addition, the foot mold body 10 is covered with a silicone layer 11 on the outside, wherein the silicone layer 11 is made of human silicone, which can better simulate the contact state of the skin and the sock fabric.

[0049] and a set of horizontally arranged guide rods 20, both ends of the guide rods 20 being fixed on the protective cover 101 through flanges. A sliding piece 30 is slidably arranged on the guide rod 20, and an axle sleeve 40 is hinged on the inner side of the sliding piece 30. The outer side of the sliding piece 30 is linked with a direct-acting assembly 50, and the direct-acting assembly 50 drags the sliding piece 30 to reciprocate on the guide rod 20.

[0050] and a support rod 60 made of metal, which passes through the axle sleeve 40 and is in clearance fit with the axle sleeve 40. The lower side of the support rod 60 is detachably connected with the foot mold body 10, and the upper side of the support rod 60 is provided with a counterweight structure 70 for increasing the weight of the support rod 60. The hinged axle sleeve 40 and the support rod 60 in clearance fit with the axle sleeve 40 are designed in this way, so that the simulated weight of the counterweight structure 70 can be fully applied to the foot mold body 10, realizing good load simulation effect.

[0051] and a support table 80 for contacting the test socks, which is arranged on the lower side of the foot mold body 10. In the embodiment, the top surface of the support table 80 is preferably made of a certain thickness of EVA material pad, which simulates a more realistic shoe-wearing environment. The bottom of the support table 80 is provided with a lifting mechanism 90 for adjusting the position height of the support table 80 in the vertical direction. During the experiment, the lifting mechanism 90 adjusts the top surface of the support table 80 to contact the foot mold body 10 and the socks.

[0052] Basic experimental principle: the experimental device takes the foot mold body 10 as the basic component, arranges the axle sleeve 40 on the sliding piece 30, connects the support rod 60 with one end of the foot mold body 10 and the other end of the counterweight structure 70 to the axle sleeve 40 in clearance fit, uses the sliding piece 30 to reciprocate on the guide rod 20, and drives the support rod 60 to swing at a certain angle through the axle sleeve 40, so that the foot mold body 10 contacts the table surface of the support table 80 from the heel to the forefoot in turn, which can well simulate the walking or running process of ordinary people on the ground. The foot mold body 10 will make corresponding force contact and friction on the socks, and the counterweight structure 70 simulates the body weight, which better simulates the load borne by the foot during walking, so as to realize better simulation of the sock product top-breaking fatigue strength test and verification in the actual wearing process.

[0053] The following is a specific structure detail description of each main mechanism:

[0054] Specifically, the sliding piece 30 comprises a pair of first rods 31 spaced apart, a space in the middle is used for mounting the shaft sleeve 40, both ends of the first rod 31 are fixedly connected with a second rod 32 vertically distributed, the end of the second rod 32 is fixedly connected with a connecting ring 33, the inner side of the connecting ring 33 is interference-fitted with a first linear bearing 34, the guide rod 20 passes through the first linear bearing 34, and sliding assembly on the two guide rods 20 is realized.

[0055] In addition, the first rod 31 is provided with a threaded hole 35, the outer side of the shaft sleeve 40 is formed with a cylindrical hole 41, the axis of the cylindrical hole 41 is vertically distributed with the axis of the shaft sleeve 40, the threaded hole 35 is screw-connected with an elongated bolt 42, one end of the elongated bolt 42 is a light pole, the light pole is movably inserted into the cylindrical hole 41, the rotating connection of the shaft sleeve 40 in the sliding piece 30 is realized, and assembly is convenient. When the shaft sleeve 40 moves horizontally along with the sliding piece 30, the shaft sleeve 40 has a certain angle of swing ability.

[0056] In the power design for realizing the reciprocating translation of the sliding piece 30 on the guide piece: the design straight-moving assembly 50 comprises a moving rod 51, a swing rod 52, a crank 53 and a fixed seat 54. First, the support frame 102 is fixed on the outer side of the protective cover 101, the support frame 102 and the protective cover 101 are provided with through holes 103 along a straight line, the second linear bearing 104 is fixed at the through hole 103, the moving rod 51 passes through the second linear bearing 104, the moving rod 51 is parallelly distributed with the guide rod 20 through a limiting piece, and one end thereof is fixedly connected with the second rod 32, so that the moving rod 51 can horizontally drag the sliding piece 30 to move on the guide rod 20; the moving block 57 is slidably arranged on the swing rod 52, the two ends of the swing rod 52 are hingedly connected to the middle of the moving rod 51 and the fixed seat 54, respectively, one end of the crank 53 is hingedly connected with the moving block 57, the other end is connected with the driving piece 56, the moving rod 51, the swing rod 52 and the crank 53 form a "crank 53 swing rod 52" mechanism, the driving piece 56 is selected as a motor with a gear reducer, the motor is rotated to drive the crank 53 to rotate, the crank 53 cooperates with the moving block 57 to drive the swing rod 52 to swing back and forth, so as to realize the reciprocating movement of the moving rod 51. In the device, the motor as the driving piece 56 and the "crank 53 swing rod 52" mechanism assembly are both provided with protective shells, so as to ensure the safety of the operation of the equipment.

[0057] The foot mold body 10 is fixedly connected with the supporting rod 60 through a detachable connecting block 12, and the design facilitates replacement of the foot mold body 10 of different sizes during use. In addition, the counterweight structure 70 in the embodiment includes a tray 71 and a plurality of movably arranged weights 72. The tray 71 is welded and fixed at the lower end of the symmetrical and distributed planar grooves 61 provided on the upper portion of the supporting rod 60. The weights 72 are provided with notches matched with the planar grooves 61. In order to improve the stability of the weights 72 placed on the supporting rod 60, the weights 72 are optimally designed. A groove 73 is formed on the upper side of one side of the notch of the weight 72, and a protrusion 74 matched with the groove 73 is fixed to the bottom of the weight 72 on the opposite side. During use, the protrusion 74 and the groove 73 are clamped by alternately placing the weights 72 upward and downward, and the plurality of stacked weights 72 can be well formed into a whole, which is firm and anti-dropping. Meanwhile, a groove 73 is also provided on the top surface of the tray 71.

[0058] The supporting table 80 in the embodiment includes a table plate 81 and a frame 82. The table plate 81 is gap-placed in the frame 82. A plurality of jacking bolts 83 are threadedly connected around the frame 82, and are used for fixing the table plate 81, thereby facilitating replacement of the table plate 81.

[0059] In the height adjustment design of the supporting table 80, a reinforcing plate 84 is fixed to the bottom of the frame 82 on both sides. The bottom of the reinforcing plate 84 is fixed with a sleeve 85. A first wedge-shaped block 86 is fixed to the middle of the bottom of the frame 82. The bottom surface of the first wedge-shaped block 86 is inclined.

[0060] The lifting mechanism 90 includes a support 91. The support 91 is fixed with telescopic rods 92 on both sides. The upper ends of the telescopic rods 92 are inserted into the sleeve 85. The middle of the support 91 is fixed with a mounting table 93. The mounting table 93 is provided with a screw pair structure 110. The sliding block 112 of the screw pair structure 110 is fixed with a second wedge-shaped block 113. The top surface of the second wedge-shaped block 113 is in contact with the bottom surface of the first wedge-shaped block 86. The outer end of the screw rod 111 of the screw pair structure 110 is fixed with a hand wheel 114. The screw pair structure 110 drags the second wedge-shaped block 113 to move horizontally. The second wedge-shaped block 113 is in contact with the inclined surface of the first wedge-shaped block 86, thereby continuously lifting the first wedge-shaped block 86, and adjusting the height of the supporting table 80. The first wedge-shaped block and the second wedge-shaped block 113 are made of polyethylene plastic material, which has good strength and wear resistance.

[0061] The application also provides a sock burst performance test method. Figure 10 The sock burst performance test includes the following operation steps.

[0062] The test socks are worn on the foot mold body 10, and of course the size of the socks needs to be selected according to the size of the foot mold body 10.

[0063] According to the weight requirement, the corresponding weight of the weight 72 is added on the supporting rod 60, and the weight 72 of the product is set as a single weight 72 of 10 kg weight standard, and the required weight requirement is realized by adding multiple weights 72.

[0064] The height of the supporting table 80 is adjusted by the screw rod auxiliary structure 110, so that the bottom of the test sock is in contact with the top surface of the table plate 81; the adjustment is as follows: the user rotates the hand wheel 114, drags the slider 112 to translate, and the second wedge block 113 on the slider 112 continuously extrudes the first wedge block 86 inward, and by using the characteristics of the inclined surface fitting, the continuous lifting of the first wedge block 86 is realized, so that the height of the supporting table 80 is adjusted.

[0065] According to the requirement, the rotation speed and the rotation number of the driving part 56 are set, and the driving part 56-motor is started by pressing the switch. Among the technology of setting the rotation speed and the rotation number of the driving part 56, the product is provided with a touch screen on the cabinet 100, the touch screen and the PLC in the control cabinet are communicated through a serial port, and the configuration interface is built by using external configuration software, uploaded and displayed in the touch screen host computer, which is convenient for user operation. This is the basic skill of automation engineers, which can be built as needed, and this scheme will not be described here.

[0066] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the embodiments of the present application.

Claims

1. A hosiery burst performance testing apparatus characterized by, include: Foot mold body; A set of horizontally positioned guide rods; A sliding member is slidably mounted on the guide rod. A bushing is hinged to the inner side of the sliding member, and the outer side of the sliding member is linked with a linear motion component. The linear motion component drags the sliding member to reciprocate on the guide rod. A support rod passes through the bushing and is fitted with a clearance fit with the bushing. The foot mold body is detachably connected to the lower side of the support rod, and a counterweight structure for increasing the weight of the support rod is provided on its upper side. A support platform is provided on the lower side of the foot mold body. The bottom of the support platform is provided with a lifting mechanism, which is used to adjust the vertical position and height of the support platform. The sliding member includes a pair of spaced-apart first rods, each end of which is fixedly connected to a second rod perpendicular to it. A connecting ring is fixed to the end of the second rod, and a first linear bearing is interference-fitted to the inner side of the connecting ring. The guide rod passes through the first linear bearing.

2. A hosiery burst performance testing apparatus according to claim 1, wherein, The first rod body has a threaded hole, and the outer side of the bushing has a cylindrical hole. The axis of the cylindrical hole is perpendicular to the axis of the bushing. A long bolt is threaded into the threaded hole, and one end of the long bolt is a smooth rod that is movably inserted into the cylindrical hole.

3. A hosiery burst performance testing apparatus according to claim 2, wherein, The linear motion assembly includes a moving rod, a swing arm, a crank, and a fixed seat. A moving block is slidably disposed on the swing arm. The two ends of the swing arm are respectively hinged to the middle of the moving rod and the fixed seat. One end of the crank is hinged to the moving block, and the other end is linked to the driving component. The moving rod is distributed parallel to the guide rod through a limiting component, and one end of the moving rod is fixedly connected to the second rod body.

4. A hosiery burst performance testing apparatus according to claim 3, wherein, It also includes a cabinet, a protective cover, and a support frame. The protective cover is fixedly installed on the cabinet. The two ends of the guide rod are fixed to the protective cover. The support frame is fixed to the outside of the protective cover. The support frame and the protective cover have through holes along a straight line. A second linear bearing is fixed at the through hole. The moving rod passes through the second linear bearing.

5. A hosiery burst performance testing apparatus according to claim 4, wherein, The support platform includes a platform and a frame. The platform is placed inside the frame with a gap. Multiple tightening bolts are threaded around the frame to fix the platform.

6. A hosiery burst performance testing apparatus according to claim 5, wherein, The frame has reinforcing plates fixed on both sides of its bottom, and sleeves fixed at the bottom of the reinforcing plates. A first wedge block is fixed at the bottom center of the frame, and the bottom surface of the first wedge block is inclined.

7. A hosiery burst performance testing apparatus according to claim 6, wherein, The lifting mechanism structure includes a bracket, with telescopic rods fixed on both sides of the bracket. The upper ends of the telescopic rods are inserted into the sleeve. A mounting platform is fixed in the middle of the bracket. A lead screw pair structure is provided on the mounting platform. A second wedge block is fixed on the slider of the lead screw pair structure. The top surface of the second wedge block is in contact with the bottom surface of the first wedge block. A handwheel is fixed to the outer end of the lead screw of the lead screw pair structure.

8. The hosiery burst performance testing apparatus according to claim 1, wherein, The foot mold body is covered with a silicone layer.

9. A method of testing the top break performance of a sock using the testing apparatus of claim 7, characterized in that, The following steps are included: The test socks were worn on the foot model. According to the weight requirements, add weights of corresponding weights to the support rod; The height of the support platform is adjusted by a lead screw pair structure so that the bottom of the test sock contacts the top surface of the platform. The rotation speed and rotation number of the driving member are set according to the requirement, and the driving member is started.

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