CN113740156A - Drawing test fixture and method - Google Patents
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- CN113740156A CN113740156A CN202110970256.5A CN202110970256A CN113740156A CN 113740156 A CN113740156 A CN 113740156A CN 202110970256 A CN202110970256 A CN 202110970256A CN 113740156 A CN113740156 A CN 113740156A
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- 238000012360 testing method Methods 0.000 title claims abstract description 122
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- 238000003032 molecular docking Methods 0.000 claims description 24
- 238000007586 pull-out test Methods 0.000 claims description 13
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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Abstract
The application discloses draw test fixture and method, wherein draw test fixture includes: the clamping assembly is used for clamping an object to be detected and is borne on the bearing assembly; the first guide groove comprises a first butt joint part and a first sliding groove part, the first butt joint part is used for connecting an object to be detected, the first sliding groove part is provided with a first channel and a first notch which are mutually communicated, and the width of the first channel is greater than that of the first notch; the moving mechanism comprises a connecting piece and a sliding assembly which are connected with each other, the sliding assembly is connected in the first channel in a sliding mode, the width of the sliding assembly is larger than that of the first notch, the connecting piece is exposed in the first notch, the connecting piece is used for being connected with the drawing testing mechanism, and the strength of the object to be tested at the relative position of the connecting piece is tested under the drawing effect of the drawing testing mechanism. By the scheme, the efficiency and the safety of the drawing test can be improved, and the comparability of test results of different test positions on the same surface can be improved.
Description
Technical Field
The application relates to the technical field of machinery, in particular to a drawing test fixture and a drawing test method.
Background
Generally, in the links of product development, production and the like, the product needs to be tested in many aspects such as machinery, electricity and the like. Here, the pull test is also an important loop. Taking an electronic product as an example, when parts of the electronic product are connected by a back adhesive, a pull-out test is often required to detect the bonding strength between the parts.
However, in the conventional pull-out test, when the object to be tested has a plurality of test positions, and each time a test position is subjected to pull-out test, the object to be tested needs to be reloaded and aligned with the test position, the process is complicated, damage is easily caused, and the comparability of test results of different test positions on the same plane is not strong. In view of the above, how to improve the efficiency and safety of the pull-out test and the comparability of the test results of different test positions on the same plane is an urgent problem to be solved.
Disclosure of Invention
The technical problem mainly solved by the application is to provide a drawing test fixture and a drawing test method, which can improve the efficiency and the safety of drawing test and the comparability of test results of different test positions on the same surface.
In order to solve the above technical problem, the present application provides in a first aspect a drawing test fixture, including: the clamping assembly is used for clamping an object to be detected and is borne on the bearing assembly; the first guide groove comprises a first butt joint part and a first sliding groove part, the first butt joint part is used for connecting an object to be detected, the first sliding groove part is provided with a first channel and a first notch which are mutually communicated, and the width of the first channel is greater than that of the first notch; the moving mechanism comprises a connecting piece and a sliding component which are connected with each other, the sliding component is connected in the first channel in a sliding mode, the width of the sliding component is larger than that of the first notch, and at least part of the connecting piece is exposed out of the first notch; the connecting piece is used for being connected with the drawing testing mechanism and testing the strength of the object to be tested at the position corresponding to the connecting piece under the drawing action of the drawing testing mechanism.
In order to solve the above technical problem, a second aspect of the present application provides a pull-out test method, including: clamping the object to be tested by using a clamping component of the drawing test fixture; the drawing test fixture further comprises a first guide groove, the first guide groove comprises a first butt joint part and a first sliding groove part, the first sliding groove part is provided with a first channel and a first notch which are mutually communicated, and the width of the first channel is larger than that of the first notch; connecting the object to be detected by using the first butt joint part; the drawing test fixture further comprises a moving mechanism, the moving mechanism comprises a connecting piece and a sliding assembly, the sliding assembly is connected in the first channel in a sliding mode, the width of the sliding assembly is larger than that of the first notch, at least part of the connecting piece is exposed to the first notch, and the connecting piece is connected with the drawing test mechanism; moving the connecting piece by using the sliding assembly until the connecting piece reaches the position opposite to the position to be measured on the object to be measured; and testing the strength of the position to be tested by using the drawing testing mechanism.
In the scheme, the drawing test fixture comprises a bearing component, a clamping component, a first guide groove and a moving mechanism, wherein the clamping component is used for clamping an object to be tested and is borne on the bearing component, the first guide groove comprises a first butt joint part and a first chute part, the first butt joint part is used for connecting the object to be tested, the first chute part is provided with a first groove channel and a first notch which are mutually communicated, the width of the first groove channel is greater than that of the first notch, the moving mechanism comprises a connecting piece and a sliding component which are mutually connected, the sliding component is slidably connected in the first groove channel, the width of the sliding component is greater than that of the first notch, the connecting piece is at least exposed in the first notch, the connecting piece is used for being connected with the drawing test mechanism, the strength of the object to be tested at the relative position of the connecting piece is tested under the drawing action of the drawing test mechanism, and because the width of the first groove channel is greater than that of the first notch, sliding assembly sliding connection is in first channel, and sliding assembly's width is greater than the width of first notch again, so drawing survey mechanism drawing the in-process to the connecting piece drawing the drawing of survey mechanism drawing, sliding assembly can be located first channel all the time, and can not pulled out first notch, thereby can ensure the test of drawing in connecting piece relative position department, and because sliding assembly can slide in first channel, so sliding assembly slides when different positions in first channel, draw test mechanism and can draw the test to the same face different positions of the article that awaits measuring, and need not to load the article that awaits measuring again, the efficiency of drawing the test is improved, the security and the test result comparability of the different test position of coplanar.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a pull-out test fixture according to the present application;
FIG. 2 is an exploded view of an embodiment of a pull test fixture of the present application;
FIG. 3 is a schematic structural view of an embodiment of the first guide slot and the moving mechanism of FIG. 1;
FIG. 4 is a schematic cross-sectional view of one embodiment of the movement mechanism of FIG. 3;
FIG. 5 is a schematic structural view of an embodiment of the first guide groove of FIG. 1;
FIG. 6 is a schematic structural view of another embodiment of the first guide groove of FIG. 1;
FIG. 7 is a schematic diagram of an embodiment of the first docking portion of FIG. 6;
FIG. 8 is a schematic cross-sectional view of one embodiment of the movement mechanism of FIG. 6;
fig. 9 is a schematic flow chart of an embodiment of a pull-out test method of the present application.
Detailed Description
The following describes in detail the embodiments of the present application with reference to the drawings attached hereto.
In the following description, for purposes of explanation and not limitation, specific details are set forth such as particular system structures, interfaces, techniques, etc. in order to provide a thorough understanding of the present application.
The terms "system" and "network" are often used interchangeably herein. The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship. Further, the term "plurality" herein means two or more than two.
Referring to fig. 1 and fig. 2 in combination, fig. 1 is a schematic structural diagram of an embodiment of a drawing test fixture 10 of the present application, and fig. 2 is an exploded schematic diagram of the embodiment of the drawing test fixture 10 of the present application. As shown in fig. 1 and 2, the pull test fixture 10 includes: a bearing component 11, a clamping component 12, a first guide groove 13 and a moving mechanism 14, wherein the clamping component 12 is used for clamping an object to be tested (not shown), and the clamping assembly 12 is carried on the carrying assembly 11, the first guiding groove 13 comprises a first butt-joint part 131 and a first sliding groove part 132, the first sliding groove part 132 is provided with a first channel D1 and a first notch K1 which are communicated with each other, and the width (not shown) of the first channel D1 is greater than the width (not shown) of the first notch K1, the moving mechanism 14 includes a connecting member 141 and a sliding member 142 connected to each other, the sliding member 142 is slidably connected to the first channel D1, the width (not shown) of the sliding member 142 is greater than the width of the first notch K1, the connecting member 141 is exposed to at least the first notch K1, and the connecting member 141 is connected to a pull test mechanism (not shown), and the strength of the object to be tested at the position (not shown) opposite to the connecting member 141 is tested by the pulling action of the pulling test mechanism. It should be noted that the relative position refers to an intersection position of an extension line of the connecting member 141 along the direction of the pulling force and the object to be measured. Taking the example that the object to be tested is horizontally placed and the drawing test is performed in the vertical direction, the drawing acting force is perpendicular to the horizontal plane, that is, the straight line perpendicular to the horizontal plane is taken as the starting point by using the connecting piece 141, the intersection position of the straight line and the object to be tested is the relative position, if the object to be tested is bonded at the relative position of the connecting piece through the back adhesive, the background bonding strength of the object to be tested at the relative position of the connecting piece can be tested at this time. Other cases may be analogized, and are not exemplified here.
In one implementation scenario, the pull test mechanism may include, but is not limited to: a retractor LG, a tension sensor, and the like, which are not limited herein. As shown in fig. 1, the draw hook LG can be connected to the connecting member 141, so that during the drawing test, the drawing acting force of the draw hook LG on the connecting member 141 can be sensed by the tension sensor, and the greater the strength of the object to be tested at the relative position of the connecting member 141, the greater the drawing acting force, otherwise, the smaller the strength of the object to be tested at the relative position of the connecting member 141, the smaller the drawing acting force.
In one implementation scenario, referring to fig. 1 and fig. 2 in combination, in order to reduce the possibility of the sliding assembly 142 sliding out of the first channel D1 as much as possible, the first guide slot 13 is further provided with a first blocking plate DB1 at two ends, and the first blocking plate DB1 blocks at least a portion of the first channel D1.
In one implementation scenario, in order to improve the robustness of fixing the bearing component 11 as much as possible, the drawing test fixture 10 further includes a second guide groove 15, the second guide groove 15 includes a second docking portion 151 and a second sliding groove portion 152, the second docking portion 151 is used for connecting the test base station CSJT, the second sliding groove portion 152 is provided with a second channel D2 and a second notch K2 which are communicated with each other, a width (not shown) of the second channel D2 is greater than a width (not shown) of the second notch K2, the bearing component 11 is at least partially slidably connected in the second notch K2, and the width (not shown) of the bearing component 11 is greater than the width (not shown) of the second notch K2. It should be noted that, in order to improve the accuracy of the pull test, the pull hook LG, the connecting member 141, the test position of the object to be tested, and the second docking portion 151 may be located on a straight line perpendicular to the horizontal plane during the pull test. In the above manner, the drawing test fixture 10 further includes the second guide groove 15, the second guide groove 15 includes the second docking portion 151 and the second sliding groove portion 152, the second docking portion 151 is connected to the test base station CSJT, the second sliding groove portion 152 is provided with the second channel D2 and the second notch K2 which are connected in the same manner, the width of the second channel D2 is greater than the width of the second notch K2, and the bearing component 11 is at least partially slidably connected in the second notch K2, the width of the bearing component 11 is greater than the width of the second notch K2, so during the drawing test, the bearing component 11 can be located in the second guide groove 15, and the second guide groove 15 is connected to the test base station CSJT, so that the stability of the bearing component 11 can be improved, and in addition, since the bearing component 11 is slidably connected to the second guide groove 15, in case that the strength of the object to be tested at other positions needs to be tested, only the bearing component 11 needs to slide, the object to be tested and the first guide groove 13 can slide simultaneously in a relatively static state, so that the efficiency and the safety of the drawing test and the comparability of the test result of different test positions on the same surface are improved on the premise of improving the connection stability of the object to be tested in the drawing test process.
In a specific implementation scenario, referring to fig. 1 and fig. 2 in combination, in order to reduce the possibility that the carriage assembly 11 slides out of the second channel D2 as much as possible, the carriage assembly 11 is further provided with second shutters DB2 at two ends perpendicular to the sliding direction of the carriage assembly 11, and the width (not shown) of the second shutters DB2 is greater than the width of the second channel D2, so as to limit the sliding stroke of the carriage assembly 11.
In a specific implementation scenario, the second guide groove 15 may be made of a stainless steel material, the second guide groove 15 may also be subjected to polishing, and the size of the second guide groove 15 may be set according to the actual application requirement. For example, the length of the second guide groove 15 may be set to 20mm to 50mm, which is not limited herein.
In a specific implementation scenario, the pull test mechanism may further include the test base CSJT. Further, as shown in fig. 1 and 2, the test base CSJT may include a jig JJ and a worm WG, and by rotating the worm WG, the jig JJ may be made to tighten the second docking portion 151 of the second guide groove 15 to reinforce the connection between the second guide groove 15 and the test base CSJT.
In an implementation scenario, please refer to fig. 1 and fig. 2 in combination, the bearing assembly 11 includes a bottom plate 111, and a first side plate 112 and a second side plate 113 disposed perpendicular to the bottom plate 111, the first side plate 112 and the second side plate 113 are located on the same side of the bottom plate 111, the first side plate 112 and the second side plate 113 are disposed in parallel, the clamping assembly 12 includes a top rod 121 and a baffle 122 connected to one end of the top rod 121, and the baffle 122 is located between the first side plate 112 and the second side plate 113. In addition, the first side plate 112 is provided with a through hole TK1, the through hole is provided with an internal thread (not shown), the ejector rod 121 is provided with an external thread (not shown), the ejector rod 121 penetrates through the through hole TK1, and the object to be tested is clamped between the baffle 122 and the second side plate 113 through the matching of the internal thread and the external thread, that is, the baffle 122 is continuously close to the second side plate 113 through rotating the ejector rod 121 under the matching of the internal thread and the external thread, so as to clamp the object to be tested between the baffle 122 and the second side plate 113. In the above manner, the bearing assembly 11 includes the bottom plate 111, and the first side plate 112 and the second side plate 113 that are perpendicular to the bottom plate 111, the first side plate 112 is provided with the through hole TK1, the through hole is provided with an internal thread, and the clamping assembly 12 includes the ejector rod 121 and the baffle 122 connected to one end of the ejector rod 121, the ejector rod 121 is provided with an external thread, and the ejector rod 121 runs through the through hole TK1, so that the object to be tested can be firmly clamped between the baffle 122 and the second side plate 113 through the cooperation of the internal thread and the external thread.
In a specific implementation scenario, as shown in fig. 2, in order to prevent the blocking plate 122 from being blocked by the bottom plate 111 during the rotation of the top rod 121 to affect the rotation of the top rod 121 as much as possible, the clamping assembly 12 may further include: through-hole TK2 has also been seted up to shaft jump ring KH, baffle 122, and this through-hole TK2 is passed to the one end of ejector pin 121, and the one end that ejector pin 121 passed baffle 122 is located to shaft jump ring KH cover to make shaft jump ring KH on the one hand can be connected baffle 122 with ejector pin 121, on the other hand also can reduce the influence of baffle 122 at the rotatory in-process of ejector pin 121 as far as possible.
In a specific implementation scenario, as shown in fig. 2, in order to reduce the wear of the baffle 122 on the object to be tested during the process of clamping the object to be tested by the baffle 122 as much as possible, the clamping assembly 12 may further include a protection pad BHD, where the protection pad BHD covers the through hole TK2 opened in the baffle 122. The protection pad BHD may specifically include, but is not limited to, a rubber pad, and the like, and the hardware and the color of the protection pad BHD may be set according to the requirement, for example, the color may be set to black, and the hardness may be set to 60, which is not limited herein.
In a specific implementation scenario, as shown in fig. 2, in order to improve the convenience of rotating the push rod 121, the clamping assembly 12 may further include a rocker YG, the rocker YG is connected to one end of the push rod 121 away from the baffle 122, the length of the rocker YG may be set according to actual needs, for example, the length may be set to 100mm, and the rocker YG may also be made of stainless steel, and the surface may be painted. Further, a protective ball FHQ may be further disposed at the end of the swing lever YG, the protective ball FHQ may be made of plastic, the surface of the protective ball may be painted, and the protective ball FHQ may be connected to the end of the swing lever YG through a screw.
In a specific implementation scenario, the shape of the baffle 122 may be set according to actual needs. For example, the blocking plate 122 may be designed to be a plane in a case where the clamping surface of the object to be measured is a plane, or the blocking plate 122 may be designed to be a curved surface in a case where the clamping surface of the object to be measured is a curved surface, which is not limited herein. In addition, a plurality of sets of baffles 122 may also be designed, wherein the plurality of sets of baffles 122 may include the baffles 122 designed as planes and the baffles 122 designed as curved surfaces, so that when the object to be tested whose clamping surface is a plane needs to be subjected to the pull-out test, the baffles 122 designed as planes are selected, and when the object to be tested whose clamping surface is a curved surface needs to be subjected to the pull-out test, the baffles 122 designed as curved surfaces are selected.
In a specific implementation scenario, the lift rod 121 may be made of stainless steel, and the surface of the lift rod 121 may be painted. The baffle 122 may also be made of stainless steel, and the surface may be polished. In addition, as shown in fig. 1 and fig. 2, the clamping assembly 12 may include a plurality of sets of the ejector rods 121 and the baffle plates 122, such as two sets, three sets, and the like, so as to clamp the object to be tested at a plurality of positions, and improve the clamping stability of the object to be tested.
In a specific implementation scenario, the size of the bearing component 11 may be set according to the actual application. For example, the length of the bearing component 11 may be set to be not less than 50mm, and the effective width of the bearing component 11 may be set to be not less than 50mm, which is not limited herein.
In an implementation scenario, different from the aforementioned clamping manner, the second side plate 113 may also be provided with a through hole (not shown), and the through hole provided on the second side plate 113 may also be provided with an internal thread, and the internal thread is matched with the external thread on the top rod 121, in this case, one side of the second side plate 113 may also be provided with a set of clamping components 12, and the arrangement manner of the clamping components 12 disposed on one side of the first side plate 112 may refer to the aforementioned clamping components 12, which is not described herein again. On the basis, the object to be tested can be clamped between the clamping assembly 12 arranged on one side of the first side plate 112 and the clamping assembly 12 arranged on one side of the second side plate 113.
In an implementation scenario, please refer to fig. 2 and fig. 3 and fig. 4 in combination, fig. 3 is a schematic structural diagram of an embodiment of the first guide slot 13 and the moving mechanism 14 in fig. 1, fig. 4 is a schematic cross-sectional diagram of an embodiment of the moving mechanism 14 in fig. 3, and specifically, fig. 4 is a schematic cross-sectional diagram of the moving mechanism 14 in fig. 3 along a C-C cross-sectional line. As shown in the figure, the connecting member 141 includes a first end portion a1 and a second end portion a2, the first end portion a1 exposes out of the first notch K1, the first end portion a1 is used for connecting the pull-out test mechanism, the second end portion a2 is accommodated in the first channel D1, the sliding assembly 142 includes a shaft Z, a pulley HL, and an elastic member T, the second end portion a2 is provided with a through hole TK3, the shaft Z penetrates through the through hole TK3, two ends of the shaft Z are respectively connected with the pulley HL, the shaft Z is provided with a blind hole MK between the two ends, the blind hole NK faces the first surface BM1 of the through hole TK3, the first surface BM1 is far away from the first end portion a1, one end of the elastic member T is accommodated in the blind hole MK, and the other end of the elastic member T is accommodated and abutted against the first surface BM 1. In the above manner, the connecting member 141 is configured to include a first end portion a1 and a second end portion a2, the second end portion a2 is accommodated in the first channel D1, the sliding assembly 142 includes a shaft Z, a pulley HL, and an elastic member T, the second end portion a2 is configured with a through hole TK3, the shaft Z penetrates through the through hole TK3, two ends of the shaft Z are respectively connected with the pulley HL, the shaft Z is provided with a blind hole MK between the two ends, the blind hole NK faces the first surface BM1 of the through hole TK3, the first surface BM1 is far from the first end portion a1, one end of the elastic member T is accommodated in the blind hole MK, and the other end of the elastic member T is accommodated and abutted against the first surface BM1, so that in an initial stage of the drawing test, the elastic member T can overcome a drawing force of the drawing test mechanism, on one hand, the sliding assembly 142 can still slide in the first channel D1, thereby facilitating the positioning of the drawing test, and on the other hand, in a subsequent stage of the drawing test, with the increasing of the drawing force, the elastic member compresses until the sliding assembly 142 can not slide in the first groove D1 any more, and the drawing force is transmitted to the object to be tested at the position opposite to the connecting member 141 through the connecting member 141 and the first guide groove 13, thereby being beneficial to improving the accuracy of the drawing test.
In one specific implementation scenario, the width of the second end a2 (not shown) is greater than the width of the first slot K1, so that the slide assembly 142 can be directly constrained within the first channel D1 by the first slot K1, and the height of the second end a2 is less than the height of the first channel D1, so that a margin can be left for the initial stage of the pull test to achieve the test positioning.
In a specific implementation scenario, please continue to refer to fig. 4, the cross-section of the through-hole TK3 is rectangular, the through-hole TK3 includes two surfaces parallel to the horizontal plane, and the surface of the two surfaces away from the first end a1 is the first surface BM 1.
In a specific implementation scenario, please refer to fig. 2 and fig. 4 in combination, in order to reduce the possibility of rotation of the shaft Z during sliding of the pulley HL as much as possible, the sliding assembly 142 may further include a sliding bearing ZC and a journal sleeve ZJT, two ends of the shaft Z are respectively sleeved with the journal sleeve ZJT, the journal sleeve ZJT is sleeved with the sliding bearing ZC, and the sliding bearing ZC is sleeved with the pulley HL.
In a specific implementation scenario, the pulley HL may be made of stainless steel, and the size of the pulley HL may be set according to actual needs, for example, the size may be set to 5-20 mm, which is not limited herein. Furthermore, the elastic member T may include, but is not limited to: springs, leaf springs, and the like, without limitation. The size of elastic component T can set up according to practical application needs to elastic component T is the spring as an example, and the diameter can set up to 3mm, and length can set up to 5mm, and compressible volume can set up to 3mm, does not do the restriction here. In addition, the specific specifications of the sliding bearing ZC and the journal sleeve ZJT can refer to the national standard GB/T12613-2011, and are not described herein again.
In an implementation scenario, the first docking portion 131 may be connected to the object to be tested through dispensing, which is generally applicable to the object to be tested with a smooth surface compared to a sucker connection, and dispensing may be applicable to various objects to be tested with a smooth surface, a rough surface, and the like, which is beneficial to greatly expanding the application range of the pull test.
In an implementation scenario, please refer to fig. 5, and fig. 5 is a schematic structural diagram of an embodiment of the first guide slot 13 in fig. 1. As shown in fig. 5, the first docking portion 131 includes a second surface BM2 for connecting with an object to be tested and a third surface BM3 adjacent to the second surface BM2, the second surface BM2 is provided with a groove AC, the first docking portion 131 is provided with a through hole TK4 communicating the groove AC and the third surface BM3, and glue can be injected into the groove AC through the through hole TK 4. In the above manner, the first docking portion 131 is arranged to include the second surface BM2 for being connected with the object to be tested and the third surface BM3 adjacent to the second surface BM2, the second surface BM2 is provided with the groove AC, the first docking portion 131 is further provided with the through hole TK4 communicating the groove AC with the third surface BM3, so that glue is injected into the groove AC through the TK4, the connection surface between the first docking portion 131 and the object to be tested can be enlarged, and the connection firmness between the first docking portion 131 and the object to be tested can be improved.
In a specific implementation scenario, referring to fig. 1 and fig. 5, in a case that the first docking portion 131 is connected to the object to be tested by dispensing, the drawing test fixture 10 may further include a dispensing element 16, and one end of the dispensing element 16 may extend into the through hole TK4, so as to inject glue into the groove AC from the third surface BM3 side through the through hole TK4, which is beneficial to improving the convenience of glue injection. In addition, it should be noted that after the glue injection is completed, in order to reduce the influence of the dispensing element 16 on the subsequent pull-out test as much as possible, the end of the dispensing element 16 extending into the through-hole TK4 may be withdrawn from the through-hole TK 4.
In a specific implementation scenario, in order to further improve the connection firmness between the first docking portion 131 and the object to be tested, the second surface BM2 is further provided with air holes QK communicated with the grooves AC, specifically, the grooves AC may be rectangular, and the air holes QK may be respectively disposed at four vertex positions of the rectangle. The size of the air hole QK may be set according to the actual application requirement, for example, it may be set to 1 × 1mm, which is not limited herein.
In an implementation scenario, please refer to fig. 6 and 7 in combination, fig. 6 is a schematic structural view of another embodiment of the first guide slot 13 in fig. 1, fig. 7 is a schematic structural view of an embodiment of the first docking portion 131 in fig. 6, and in particular, fig. 7 is a schematic plan view of the first docking portion 131 along a direction indicated by a dotted arrow in fig. 6. As shown in the figure, the first butt-joint part 131 includes a second surface BM2 connected to the object to be tested, the second surface BM2 is provided with a plurality of bosses TT arranged at intervals, and the plurality of bosses TT are used for applying glue. In the above way, the first butt joint part 131 is arranged to include the second surface BM2 connected with the object to be tested, the second surface BM2 is provided with the plurality of bosses TT arranged at intervals, and the plurality of bosses TT are used for coating glue, so that the first butt joint part 131 is discontinuously connected with the object to be tested in a sticky manner, firm connection between the object to be tested can be still maintained on the one hand, and convenience in glue removal after drawing test can be improved on the other hand.
In one specific implementation scenario, please refer to fig. 8, in which fig. 8 is a schematic cross-sectional view of an embodiment of the moving mechanism 14 in fig. 6. Specifically, FIG. 8 is a cross-sectional view of one embodiment of the moving mechanism 14 of FIG. 6 taken along section line E-E. As shown in fig. 8, the moving mechanism 14 includes a third end F1 and a fourth end F2, the third end F1 is used to connect the pull test mechanism, the third end F1 is at least partially exposed to the first notch K1, the fourth end F2 is received in the first slot D1, a width (not shown) of the fourth end F2 is greater than a width (not shown) of the first notch K1, and a height (not shown) of the fourth end F2 is less than a height (not shown) of the first slot D1, so as to slide the fourth end F2 in the first slot D1.
In the above solution, the drawing test fixture 10 includes a bearing component 11, a holding component 12, a first guide groove 13 and a moving mechanism 14, the holding component 12 is used for holding an object to be tested and is carried on the bearing component 11, the first guide groove 13 includes a first butt-joint portion 131 and a first sliding groove portion 132, the first butt-joint portion 131 is used for connecting the object to be tested, the first sliding groove portion 132 is provided with a first channel D1 and a first notch K1 which are communicated with each other, and the width of the first channel D1 is greater than the width of the first notch K1, the moving mechanism 14 includes a connecting member 141 and a sliding member 142 which are connected with each other, the sliding member 142 is slidably connected in the first channel D1, the width of the sliding member 142 is greater than the width of the first notch K1, the connecting member 141 is exposed at least in the first notch K1, and the connecting member 141 is used for connecting with the drawing test mechanism and testing the strength of the object to be tested at the relative position of the connecting member under the drawing action of the drawing test mechanism, because the width of the first channel D1 is greater than the width of the first notch K1, the sliding component 142 is slidably connected in the first channel D1, and the width of the sliding component 142 is greater than the width of the first notch K1, in the process of pulling the connecting member 141 by the pulling and testing mechanism, the sliding component 142 can be always located in the first channel D1 and cannot be pulled out of the first notch K1, so that the pulling and testing at the relative position of the connecting member 141 can be ensured, and because the sliding component 142 can slide in the first channel D1, when the sliding component 142 slides to different positions in the first channel D1, the pulling and testing mechanism can perform the pulling and testing at different positions on the same side of the object to be tested, the object to be tested does not need to be reloaded, and the efficiency and safety of the pulling and the comparability of the testing results of different testing positions on the same side are improved.
Referring to fig. 9, fig. 9 is a schematic flowchart illustrating an embodiment of a pull-out test method according to the present application.
Specifically, the method may include the steps of:
step S91: the object to be tested is clamped by the clamping component 12 of the drawing test fixture 10.
In the embodiment of the present disclosure, the drawing test fixture 10 further includes a first guide groove 13, the first guide groove 13 includes a first butt-joint portion 131 and a first sliding groove portion 132, the first sliding groove portion 132 is provided with a first channel D1 and a first notch K1 which are mutually communicated, and a width of the first channel D1 is greater than a width of the first notch K1. Reference may be made to the related description in the foregoing embodiments, which are not repeated herein. In addition, the drawing test fixture 10 in the embodiment of the present disclosure may be the drawing test fixture 10 in any one of the embodiments of the present disclosure.
Step S92: the first docking portion 131 is used to connect the object to be tested.
In the embodiment of the present disclosure, the drawing test fixture 10 further includes a moving mechanism 14, the moving mechanism 14 includes a connecting member 141 and a sliding member 142, the sliding member 142 is slidably connected in the first slot D1, a width of the sliding member 142 is greater than a width of the first notch K1, the connecting member 141 is at least partially exposed in the first notch K1, and the connecting member 141 is connected to the drawing test mechanism. The description of the embodiments of the disclosure can be referred to, and will not be repeated herein.
In one implementation scenario, the first docking portion 131 may be implemented by including, but not limited to: and the adhesive is dispensed, the sucker is connected with the object to be detected in other modes. Taking the first docking portion 131 connected to the object to be tested by dispensing, for convenience of description, the contact area between the first docking portion 131 and the object to be tested can be denoted as S0The glue may be injected at a constant rate (e.g., 0.1ml/s), and the pull-out force F that the first mating portion 131 may resist may be expressed as:
F＝20Mpa×S0
in an implementation scenario, referring to fig. 1, after the object to be tested is clamped by the clamping component 12, the draw hook LG is in a suspended state, as described in the foregoing disclosure, the drawing test fixture may further include a second guide slot 15 connected to the test base station CSJT, at this time, the second guide slot 15 may be adjusted to adjust the object to be tested to a position right below the draw hook LG, and then the first docking portion 131 of the first guide slot 13 is connected to the object to be tested by dispensing.
Step S93: the sliding assembly 142 is used to move the connecting member 141 until the connecting member 141 reaches the position opposite to the position to be measured on the object to be measured.
Specifically, the specific meanings of the relative positions can be referred to the relevant descriptions in the foregoing disclosed embodiments, and are not repeated herein. In addition, after the first butt-joint part 131 of the first guide groove 13 is firmly connected with the object to be tested, the draw hook LG of the drawing testing mechanism can be connected with the connecting part 141, the drawing testing mechanism is started, in the process, the draw hook LG is continuously lifted (for example, lifted at the speed of 5-30 mm/min), and the sliding component 142 can slide in the first guide groove 13, so that the testing and positioning are realized.
Step S94: and testing the strength of the position to be tested by using the drawing testing mechanism.
Specifically, along with the increase of the drawing force, the elastic member T is compressed, the connecting member 141 interacts with the first guide groove 13, due to the friction force, the relative position of the connecting member 141 and the first guide groove 13 is fixed, the sliding member 142 does not slide any more, and the drawing force applied to the connecting member 141 is transmitted to the position to be measured of the object to be measured through the first guide groove 13. At this time, the pulling force may be an acting force perpendicular to the horizontal plane direction, and after the strength of the position to be measured is measured, the pulling hook LG may be put down, and due to the action of the elastic member T and gravity, the sliding member 142 may slide again to the position opposite to the next position to be measured of the object to be measured.
Above-mentioned scheme, through the article that awaits measuring of centre gripping subassembly centre gripping that utilizes the test fixture that draws, and utilize first butt joint portion to connect the article that awaits measuring, and utilize the slip subassembly to remove the connecting piece, the relative position department of the position that awaits measuring on the article that awaits measuring is reachd to the connecting piece, reuse draws the intensity of test mechanism test position department that awaits measuring, can ensure the test of drawing at connecting piece 141 relative position department, and because the slip subassembly 142 can slide in first channel D1, so when the slip subassembly 142 slides to different positions in first channel D1, it can draw the test to the same one side different positions of article that awaits measuring to draw the test mechanism, and need not to load the article that awaits measuring again, the efficiency of test is drawn in the improvement, the security and the test result comparability of the different test positions of same side.
In some embodiments, functions of or modules included in the apparatus provided in the embodiments of the present disclosure may be used to execute the method described in the above method embodiments, and specific implementation thereof may refer to the description of the above method embodiments, and for brevity, will not be described again here.
The foregoing description of the various embodiments is intended to highlight various differences between the embodiments, and the same or similar parts may be referred to each other, and for brevity, will not be described again herein.
In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a module or a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some interfaces, and may be in an electrical, mechanical or other form.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Claims (10)
1. The drawing test fixture is characterized by comprising:
a load bearing assembly;
the clamping assembly is used for clamping an object to be detected and is borne on the bearing assembly;
the first guide groove comprises a first butt joint part and a first sliding groove part, the first butt joint part is used for connecting the object to be detected, the first sliding groove part is provided with a first channel and a first notch which are mutually communicated, and the width of the first channel is greater than that of the first notch;
a moving mechanism including a connecting member and a sliding member connected to each other, the sliding member being slidably connected within the first channel, the sliding member having a width greater than a width of the first slot, the connecting member being at least partially exposed to the first slot;
the connecting piece is used for being connected with the drawing testing mechanism and testing the strength of the object to be tested at the position corresponding to the connecting piece under the drawing action of the drawing testing mechanism.
2. The jig of claim 1, wherein the connecting member includes a first end portion exposed from the first notch, the first end portion being configured to connect to the pull test mechanism, and a second end portion received in the first channel, and the sliding assembly includes a shaft, a pulley, and an elastic member;
the second end portion is provided with a first through hole, the shaft penetrates through the first through hole, two tail ends of the shaft are respectively connected with the pulleys, a blind hole is formed between the two tail ends of the shaft, the blind hole faces to a first surface of the first through hole, the first surface is far away from the first end portion, one end of the elastic piece is contained in the blind hole, and the other end of the elastic piece abuts against the first surface.
3. The jig of claim 2, wherein the width of the second end portion is greater than the width of the first slot, and the height of the second end portion is less than the height of the first channel.
4. The jig according to claim 2, wherein the first through hole has a rectangular cross section and includes two surfaces parallel to a horizontal plane, and a surface of the two surfaces away from the first end is the first surface;
and/or, the sliding component still includes slide bearing and journal cover, two end overlaps respectively and is equipped with the journal cover, the journal ways is equipped with slide bearing, the slide bearing cover is equipped with the pulley.
5. The fixture of claim 1, wherein the first docking portion is connected to the object to be tested by dispensing.
6. The jig according to claim 1, wherein the first butt joint portion includes a second surface for connecting with the object to be tested and a third surface adjacent to the second surface, the second surface is provided with a groove, the first butt joint portion is provided with a second through hole communicating the groove and the third surface, and glue is injected into the groove through the second through hole.
7. The fixture according to claim 1, wherein the first butt joint portion includes a second surface for connecting with the object to be tested, the second surface is provided with a plurality of bosses arranged at intervals, and the plurality of bosses are used for applying glue.
8. The jig of claim 1, wherein the bearing assembly comprises a bottom plate and a first side plate and a second side plate which are arranged perpendicular to the bottom plate, the first side plate and the second side plate are positioned on the same side of the bottom plate, the first side plate and the second side plate are arranged in parallel, the clamping assembly comprises an ejector rod and a baffle plate connected to one end of the ejector rod, and the baffle plate is positioned between the first side plate and the second side plate;
the first side plate is provided with a third through hole, the third through hole is provided with an internal thread, the ejector rod is provided with an external thread, the ejector rod penetrates through the third through hole and is matched with the external thread through the internal thread, and the object to be detected is clamped between the baffle and the second side plate.
9. The jig of claim 1, further comprising a second guide groove comprising a second mating portion and a second slide groove portion;
the second butt joint part is used for connecting a test base station, the second sliding groove part is provided with a second channel and a second notch which are communicated with each other, the width of the second channel is larger than that of the second notch, at least part of the bearing assembly is connected in the second notch in a sliding mode, and the width of the bearing assembly is larger than that of the second notch.
10. A pull-out test method, comprising:
clamping the object to be tested by using a clamping component of the drawing test fixture; the drawing test fixture further comprises a first guide groove, the first guide groove comprises a first butt joint part and a first sliding groove part, the first sliding groove part is provided with a first groove channel and a first notch which are mutually communicated, and the width of the first groove channel is larger than that of the first notch;
connecting the object to be detected by using the first butting part; the drawing test fixture further comprises a moving mechanism, the moving mechanism comprises a connecting piece and a sliding assembly, the sliding assembly is connected in the first channel in a sliding mode, the width of the sliding assembly is larger than that of the first notch, at least part of the connecting piece is exposed to the first notch, and the connecting piece is connected with the drawing test mechanism;
moving the connecting piece by using the sliding assembly until the connecting piece reaches the position opposite to the position to be measured on the object to be measured;
and testing the strength of the position to be tested by utilizing the drawing testing mechanism.
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|---|---|---|---|
| CN202110970256.5A CN113740156B (en) | 2021-08-23 | 2021-08-23 | Drawing test fixture and method |
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| CN202110970256.5A CN113740156B (en) | 2021-08-23 | 2021-08-23 | Drawing test fixture and method |
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| CN113740156B (en) | 2024-02-13 |
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