CN113740156B - Drawing test fixture and method - Google Patents
Drawing test fixture and method Download PDFInfo
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- CN113740156B CN113740156B CN202110970256.5A CN202110970256A CN113740156B CN 113740156 B CN113740156 B CN 113740156B CN 202110970256 A CN202110970256 A CN 202110970256A CN 113740156 B CN113740156 B CN 113740156B
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- 238000012360 testing method Methods 0.000 title claims abstract description 122
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 210000001503 joint Anatomy 0.000 claims abstract description 23
- 230000009471 action Effects 0.000 claims abstract description 7
- 238000007586 pull-out test Methods 0.000 claims description 14
- 239000003292 glue Substances 0.000 claims description 11
- 238000003032 molecular docking Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
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Classifications
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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
- G01N3/08—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
- G01N3/02—Details
- G01N3/04—Chucks
Abstract
The application discloses drawing test fixture and method, wherein, drawing test fixture includes: the device comprises a bearing assembly, a clamping assembly, a first guide groove and a moving mechanism, wherein the clamping assembly is used for clamping an object to be tested and is borne on the bearing assembly; the first guide groove comprises a first butt joint part and a first chute part, the first butt joint part is used for connecting an object to be tested, the first chute part is provided with a first channel and a first notch which are communicated with each other, and the width of the first channel is larger 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 slidably connected in the first channel, the width of the sliding component is larger than that of the first notch, the connecting piece is exposed to the first notch and is used for being connected with the drawing test mechanism, and the strength of an object to be tested at the relative position of the connecting piece is tested under the drawing action of the drawing test mechanism. According to 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 jig and a drawing test method.
Background
In general, in the links of product development, production and the like, the products need to be tested in mechanical, electrical and the like aspects. Among these, the pull-out test is also an important one. Taking an electronic product as an example, when parts of the electronic product are connected by a back adhesive, a pull test is often required to detect the adhesive strength between the parts.
However, in the existing pull-out test, when there are multiple test positions on the object to be tested, each time the pull-out test is performed on one test position, the object to be tested needs to be reloaded and aligned to the test position, the process is complicated, damage is easy to be caused, and the comparability of test results of different test positions on the same surface is not strong. In view of this, how to improve the efficiency and safety of the pull-out test and the comparability of test results at different test positions on the same surface is a problem to be solved.
Disclosure of Invention
The technical problem that this application mainly solves is to provide a drawing test tool and method, can improve efficiency, security and the test result comparability of the different test positions of same face of drawing test.
In order to solve the above technical problem, a first aspect of the present application provides a pull-out test fixture, including: the device comprises a bearing assembly, a clamping assembly, a first guide groove and a moving mechanism, wherein the clamping assembly is used for clamping an object to be tested and is borne on the bearing assembly; the first guide groove comprises a first butt joint part and a first chute part, the first butt joint part is used for connecting an object to be tested, the first chute 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; 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 way, the width of the sliding component is larger than that of the first notch, and the connecting piece is at least partially exposed to the first notch; the connecting piece is used for being connected with the drawing test mechanism and testing the strength of the object to be tested at the relative position of the connecting piece under the drawing action of the drawing test mechanism.
In order to solve the above technical problem, a second aspect of the present application provides a pull-out test method, including: clamping an object to be tested by using a clamping component of the drawing test fixture; the drawing test fixture further comprises a first guide groove, wherein 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 communicated with each other, and the width of the first groove channel is larger than that of the first notch; connecting an object to be tested 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 component, 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, the connecting piece is at least partially exposed to the first notch, and the connecting piece is connected with the drawing test mechanism; moving the connecting piece by utilizing the sliding component until the connecting piece reaches the relative position of the position to be detected on the object to be detected; and testing the strength of the position to be tested by using a drawing test mechanism.
Above-mentioned scheme, drawing test fixture includes carrier assembly, clamping assembly, first guide way and moving mechanism, clamping assembly is used for the centre gripping article that awaits measuring, and bear on carrier assembly, first guide way includes first interfacing part and first spout portion, first interfacing part is used for connecting the article that awaits measuring, first spout portion is equipped with first channel and the first notch of intercommunication each other, and the width of first channel is greater than the width of first notch, and moving mechanism includes interconnect's connecting piece and sliding component, sliding component sliding connection is in first channel, sliding component's width is greater than the width of first notch, the connecting piece exposes at least first notch, and the connecting piece is used for being connected with drawing test mechanism, and test the intensity of article that awaits measuring in connecting piece relative position department under drawing test mechanism's pulling action, because the width of first channel is greater than the width of first notch, sliding component sliding connection is in first channel, and the width of sliding component is greater than the width of first notch again, and drawing test mechanism can be located first channel all the time and the same, and the sliding component can be located the first channel and the different in-side test channel is different, the test channel can be carried out to the test channel to the sliding position, the test device is different, the test device is difficult to carry out to the test device to the position, the test device is difficult to be put to the position to the test device to the position, and the test device is difficult to the test device to draw, the position is difficult to test device to draw, and the test device is difficult to test device to put down, and can be difficult to the position to test device to test position.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a pull test fixture according to the present application;
FIG. 2 is an exploded view of one embodiment of the pull test fixture of the present application;
FIG. 3 is a schematic view of an embodiment of the first guiding slot and the moving mechanism in FIG. 1;
FIG. 4 is a schematic cross-sectional view of an embodiment of the movement mechanism of FIG. 3;
FIG. 5 is a schematic view of an embodiment of the first guide slot of FIG. 1;
FIG. 6 is a schematic view of another embodiment of the first guide slot of FIG. 1;
FIG. 7 is a schematic view of an embodiment of the first docking portion of FIG. 6;
FIG. 8 is a schematic cross-sectional view of an embodiment of the movement mechanism of FIG. 6;
FIG. 9 is a flow chart of an embodiment of the pull test method of the present application.
Detailed Description
The following describes the embodiments of the present application in detail with reference to the drawings.
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, 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" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship. Further, "a 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 an embodiment of the drawing test fixture 10 of the present application. As shown in fig. 1 and 2, the pull-out test jig 10 includes: the carrying component 11, the clamping component 12, the first guiding slot 13 and the moving mechanism 14, the clamping component 12 is used for clamping an object to be tested (not shown), the clamping component 12 is carried on the carrying component 11, the first guiding slot 13 comprises a first abutting portion 131 and a first sliding slot portion 132, the first sliding slot portion 132 is provided with a first slot D1 and a first slot K1 which are communicated with each other, the width (not shown) of the first slot D1 is larger than the width (not shown) of the first slot K1, the moving mechanism 14 comprises a connecting piece 141 and a sliding component 142 which are connected with each other, the sliding component 142 is slidably connected in the first slot D1, the width (not shown) of the sliding component 142 is larger than the width of the first slot K1, the connecting piece 141 is at least exposed to the first slot K1, and the connecting piece 141 is connected with the drawing test mechanism (not shown), and the strength of the object to be tested at the relative position (not shown) of the connecting piece 141 is tested under the drawing action of the drawing test mechanism. It should be noted that the relative position refers to the intersection position of the extension line of the connecting member 141 along the direction of the pulling force and the object to be tested. 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 connecting piece 141 is taken as a starting point to make a straight line perpendicular to the horizontal plane, and the intersecting 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 back adhesive, the strength of the background bonding of the object to be tested at the relative position of the connecting piece can be tested at the moment. Other things can be made in this way, which is not illustrated here.
In one implementation scenario, the pullout test mechanism may include, but is not limited to: the drag hook LG, the drag force sensor, etc. are not limited herein. As shown in fig. 1, the draw hook LG may be connected to the connecting member 141, so that in the drawing test process, the drawing force of the draw hook LG on the connecting member 141 may 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 force, and conversely the smaller the strength of the object to be tested at the relative position of the connecting member 141, the smaller the drawing force.
In an implementation scenario, referring to fig. 1 and 2 in combination, in order to reduce the possibility that the sliding component 142 slides out of the first channel D1 as much as possible, the first guide slots 13 are further provided with first baffles DB1 at two ends, respectively, and the first baffles DB1 block at least part of the first channel D1.
In one implementation scenario, in order to enhance the firmness of fixing the bearing assembly 11 as much as possible, the pull test fixture 10 further includes a second guide groove 15, where the second guide groove 15 includes a second abutting portion 151 and a second sliding groove portion 152, the second abutting portion 151 is used for connecting the test bench CSJT, the second sliding groove portion 152 is provided with a second channel D2 and a second notch K2 that are mutually communicated, a width (not shown) of the second channel D2 is greater than a width (not shown) of the second notch K2, the bearing assembly 11 is at least partially slidably connected in the second notch K2, and a width (not shown) of the bearing assembly 11 is greater than a width of the second notch K2. In order to improve accuracy of the pull test, the pull hook LG, the connector 141, the test position of the object to be tested, and the second docking portion 151 may be located on a line perpendicular to the horizontal plane during the pull test. In this way, the pull-out test fixture 10 further includes the second guide slot 15, the second guide slot 15 includes the second abutting portion 151 and the second sliding slot 152, the second abutting portion 151 is connected with the test base CSJT, the second sliding slot 152 is provided with the second slot D2 and the second slot K2 that are connected identically, the width of the second slot D2 is greater than the width of the second slot K2, and the bearing component 11 is at least partially slidably connected in the second slot K2, the width of the bearing component 11 is greater than the width of the second slot K2, so in the pull-out test process, the bearing component 11 can be located in the second guide slot 15, and the second guide slot 15 is connected with the test base CSJT, so that the stability of the bearing component 11 can be improved.
In a specific implementation scenario, referring to fig. 1 and 2 in combination, in order to reduce the possibility that the carrier 11 slides out of the second channel D2 as much as possible, the carrier 11 is further provided with second baffles DB2 at two ends perpendicular to the sliding direction thereof, and the width (not shown) of the second baffles DB2 is greater than the width of the second channel D2, so as to limit the sliding travel of the carrier 11.
In a specific implementation scenario, the second guide groove 15 may be made of stainless steel, the second guide groove 15 may also be polished, and the size of the second guide groove 15 may be set according to practical application requirements. 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-out test mechanism may further include the test bench CSJT described above. Further, as shown in fig. 1 and 2, the test bench CSJT may include a clamp JJ and a worm WG, and by rotating the worm WG, the clamp JJ may be made to tighten the second butting portion 151 of the second guide groove 15 to strengthen the connection between the second guide groove 15 and the test bench CSJT.
In an implementation scenario, please continue to refer to fig. 1 and 2, the carrying 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), and the ejector rod 121 penetrates through the through hole TK1 and is matched with the external thread through the internal thread, so that the object to be tested is clamped between the baffle 122 and the second side plate 113, that is, the baffle 122 is continuously adjacent to the second side plate 113 under the matching of the internal thread and the external thread through rotating the ejector rod 121, so that the object to be tested is clamped between the baffle 122 and the second side plate 113. In the above manner, the carrying assembly 11 includes the bottom plate 111, and the first side plate 112 and the second side plate 113 perpendicular to the bottom plate 111, the first side plate 112 is provided with the through hole TK1, the through hole is provided with the internal thread, 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 the external thread, and the ejector rod 121 penetrates 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 matching of the internal thread and the external thread.
In a specific implementation scenario, as shown in fig. 2, to avoid blocking of the baffle 122 by the bottom plate 111 during rotation of the jack 121 as much as possible to affect rotation of the jack 121, the clamping assembly 12 may further include: the through hole TK2 is also offered to the jump ring KH for the axle, and the through hole TK2 is passed to the one end of baffle 122, and the one end that the baffle 122 was passed to the ejector pin 121 is located to jump ring KH cover for the axle to make the jump ring KH for the axle on the one hand can be connected baffle 122 and ejector pin 121, on the other hand also can reduce the influence of baffle 122 at ejector pin 121 rotatory in-process as far as possible.
In a specific implementation scenario, as shown in fig. 2, in order to reduce the abrasion that the baffle 122 may cause to the object to be tested as much as possible during the process of clamping the object to be tested by the baffle 122, the clamping assembly 12 may further include a protection pad BHD, where the protection pad BHD covers the through hole TK2 formed in the baffle 122. The protection pad BHD may specifically include, but is not limited to, a rubber pad, etc., and the hardware and color of the protection pad BHD may be set according to needs, 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, to improve the convenience of rotating the ejector rod 121, the clamping assembly 12 may further include a rocker YG, and the rocker YG is connected to an end of the ejector rod 121 far away from the baffle 122, where the length of the rocker YG may be set according to actual needs, for example, may be set to 100mm, and in addition, the rocker YG may be made of stainless steel, and the surface may be painted. Further, the end of the rocker YG may further be provided with a protective ball FHQ, the protective ball FHQ may be made of plastic, the surface may also be painted, and the protective ball FHQ may be connected to the end of the rocker YG through a screw thread.
In one specific implementation, the shape of the baffle 122 may be set according to actual needs. For example, in the case where the holding surface of the object to be measured is a plane, the baffle 122 may be designed to be a plane, or in the case where the holding surface of the object to be measured is a curved surface, the baffle 122 may be designed to be a curved surface, which is not limited herein. In addition, a plurality of sets of baffles 122 may be designed, wherein the plurality of sets of baffles 122 may include baffles 122 designed to be planar and baffles 122 designed to be curved, so that when a drawing test is required for an object to be tested whose clamping surface is planar, baffles 122 designed to be planar are selected, and when a drawing test is required for an object to be tested whose clamping surface is curved, baffles 122 designed to be curved are selected.
In a specific implementation scenario, the ejector rod 121 may be made of stainless steel, and the surface of the ejector 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 2, the clamping assembly 12 may include multiple sets of ejector pins 121 and baffles 122, such as two sets, three sets, etc., to form a clamp on the object to be tested at multiple positions, so as to improve the clamping stability of the object to be tested.
In a specific implementation scenario, the size of the carrier assembly 11 may be set according to the actual application requirements. For example, the length of the carrier 11 may be set to not less than 50mm, and the effective width of the carrier 11 may be set to not less than 50mm, which is not limited herein.
In an implementation scenario, different from the foregoing 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, where the internal thread matches with an external thread on the ejector rod 121, in this case, a set of clamping assemblies 12 may also be provided on one side of the second side plate 113, and the manner of setting the clamping assemblies 12 provided on one side of the first side plate 112 may be referred to as the foregoing, which is not described herein again. On this 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, fig. 3, and fig. 4 in combination, fig. 3 is a schematic structural diagram of an embodiment of the first guiding slot 13 and the moving mechanism 14 in fig. 1, fig. 4 is a schematic sectional view of an embodiment of the moving mechanism 14 in fig. 3, and specifically fig. 4 is a schematic sectional view of the moving mechanism 14 along a line C-C in fig. 3. As shown in the drawing, the connecting piece 141 includes a first end portion A1 and a second end portion A2, the first end portion A1 exposes the first notch K1, the first end portion A1 is used for connecting the drawing test mechanism, the second end portion A2 is accommodated in the first channel D1, the sliding component 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, a blind hole MK is arranged between the two ends of the shaft Z, 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 to the first surface BM1. In the above manner, the connecting piece 141 is configured to include the first end portion A1 and the second end portion A2, the second end portion A2 is accommodated in the first channel D1, and the sliding component 142 includes the shaft Z, the pulley HL and the elastic piece T, the through hole TK3 is opened at the second end portion A2, the shaft Z penetrates through the through hole TK3, the two ends of the shaft Z are respectively connected with the pulley HL, the blind hole MK is disposed between the two ends of the shaft Z, 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 piece T is accommodated in the blind hole MK, the other end of the elastic piece T is accommodated in the first surface BM1, so that in the initial stage of the drawing test mechanism can be overcome by the elastic piece T, on one hand, the sliding component 142 can still slide in the first channel D1, thereby being favorable to realize the test positioning, on the other hand, in the subsequent stage of the drawing test, along with the continuous increase of the drawing force, the elastic piece compresses until the sliding component 142 can no longer slide in the first channel D1, the drawing force can not slide, the drawing force can be transferred to the first guide piece 141, and the relative position of the object to be tested is favorable to the relative position to be improved.
In a specific implementation scenario, the width of the second end portion A2 (not shown) is greater than the width of the first notch K1, so that the sliding component 142 can be directly limited in the first channel D1 through the first notch K1, and the height of the second end portion A2 is less than the height of the first channel D1, so that a margin is left for achieving test positioning in the initial stage of the pull test.
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 BM1.
In a specific implementation scenario, referring to fig. 2 and 4 in combination, in order to reduce the possibility of rotation of the driving shaft Z during the sliding process of the pulley HL as much as possible, the sliding assembly 142 may further include a sliding bearing ZC and a journal sleeve ZJT, where the two ends of the shaft Z are respectively sleeved with the journal sleeve ZJT, and 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, may be set to 5-20 mm, which is not limited herein. Further, the elastic member T may include, but is not limited to: springs, leaf springs, etc., are not limited herein. The size of the elastic member T may be set according to practical application requirements, and taking the elastic member T as a spring as an example, the diameter may be set to 3mm, the length may be set to 5mm, and the compressible amount may be set to 3mm, which is not limited herein. In addition, the specific specifications of the sliding bearing ZC and the journal sleeve ZJT can be referred to national standard GB/T12613-2011, and will not be repeated here.
In an implementation scenario, the first docking portion 131 may be connected with the object to be tested through dispensing, and compared with the connection of the suction cup, the dispensing may be applicable to a plurality of objects to be tested with smooth surfaces and rough surfaces, which is beneficial to greatly expanding the application range of the drawing test.
In one implementation scenario, please refer to fig. 5, fig. 5 is a schematic structural diagram of an embodiment of the first guiding slot 13 in fig. 1. As shown in fig. 5, the first abutting portion 131 includes a second surface BM2 for connecting with an object to be measured and a third surface BM3 adjacent to the second surface BM2, the second surface BM2 is provided with a groove AC, the first abutting 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 abutting portion 131 is set 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 abutting portion 131 is further provided with the through hole TK4 for communicating the groove AC with the third surface BM3, so that glue is injected into the groove AC through TK4, the connection surface between the first abutting portion 131 and the object to be tested can be enlarged, and connection firmness between the first abutting portion 131 and the object to be tested is facilitated to be improved.
In a specific implementation scenario, please continue to refer to fig. 1 and fig. 5, in the case that the first butt joint portion 131 is connected with the object to be tested through dispensing, the pull 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 side of the third surface BM3 through the through hole TK4, which is beneficial to improving convenience of glue injection. Furthermore, it should be noted that, after the glue is injected, in order to reduce the influence of the dispensing element 16 on the subsequent drawing 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 abutting portion 131 and the object to be tested, the second surface BM2 is further provided with air holes QK that are communicated with the groove AC, specifically, the groove AC may be rectangular, and then 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 practical application requirements, for example, may be set to 1×1mm, which is not limited herein.
In an implementation scenario, please refer to fig. 6 and fig. 7 in combination, fig. 6 is a schematic structural diagram of another embodiment of the first guiding slot 13 in fig. 1, fig. 7 is a schematic structural diagram of an embodiment of the first abutting portion 131 in fig. 6, and specifically, fig. 7 is a schematic plan view of the first abutting portion 131 along a direction indicated by a dashed arrow in fig. 6. As shown in the figure, the first butt joint portion 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 manner, the first butt joint portion 131 is set to include the second surface BM2 connected with the object to be tested, and 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 portion 131 is intermittently and adhesively connected with the object to be tested, and further, on one hand, firm connection with the object to be tested can still be maintained, and on the other hand, convenience in removing glue after the drawing test can be improved.
In one embodiment, referring to fig. 8 in combination, fig. 8 is a schematic cross-sectional view of one embodiment of the moving mechanism 14 of fig. 6. Specifically, FIG. 8 is a schematic cross-sectional view of one embodiment of the movement mechanism 14 of FIG. 6 along section line E-E. As shown in fig. 8, the moving mechanism 14 includes a third end F1 and a fourth end F2, and the third end F1 is used for connecting the pull-test mechanism, the third end F1 is at least partially exposed to the first slot K1, the fourth end F2 is accommodated in the first channel D1, the width (not shown) of the fourth end F2 is greater than the width (not shown) of the first slot K1, and the height (not shown) of the fourth end F2 is smaller than the height (not shown) of the first channel D1, so as to realize sliding of the fourth end F2 in the first channel D1.
In the above-mentioned scheme, the pull-out test fixture 10 includes a carrying component 11, a clamping component 12, a first guiding slot 13 and a moving mechanism 14, the clamping component 12 is used for clamping an object to be tested and is carried on the carrying component 11, the first guiding slot 13 includes a first abutting portion 131 and a first sliding slot portion 132, the first abutting portion 131 is used for connecting the object to be tested, the first sliding slot portion 132 is provided with a first slot D1 and a first slot K1 which are mutually communicated, the width of the first slot D1 is larger than the width of the first slot K1, the moving mechanism 14 includes a connecting piece 141 and a sliding component 142 which are mutually connected, the sliding component 142 is slidingly connected in the first slot D1, the width of the sliding component 142 is larger than the width of the first slot K1, the connecting piece 141 is at least exposed to the first slot K1, and the connecting piece 141 is used for connecting with the pull-out 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, because the width of the first channel D1 is larger than that of the first notch K1, the sliding component 142 is connected in the first channel D1 in a sliding way, and the width of the sliding component 142 is larger than that of the first notch K1, the sliding component 142 can be always positioned in the first channel D1 and cannot be pulled out of the first notch K1 in the drawing process of the connecting piece 141 by the drawing test mechanism, so that the drawing test at the relative position of the connecting piece 141 can be ensured, and because the sliding component 142 can slide in the first channel D1, the drawing test mechanism can carry out the drawing test on different positions on the same surface of the object to be tested without reloading the object to be tested when the sliding component 142 slides in the first channel D1 to different positions, thereby improving the drawing test efficiency, security and comparability of test results at different test positions on the same surface.
Referring to fig. 9, fig. 9 is a flowchart illustrating an embodiment of a pull 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 disclosure, the pull 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 slide groove portion 132, and the first slide 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 specifically to the foregoing descriptions of the disclosed embodiments, and details are not repeated herein. In addition, the pull test fixture 10 in the embodiment of the present disclosure may specifically be the pull test fixture 10 in any of the foregoing embodiments.
Step S92: the first butt joint part 131 is used for connecting the object to be tested.
In the embodiment of the disclosure, the pull test fixture 10 further includes a moving mechanism 14, the moving mechanism 14 includes a connecting member 141 and a sliding component 142, the sliding component 142 is slidably connected in the first channel D1, the width of the sliding component 142 is greater than the width of the first notch K1, the connecting member 141 is at least partially exposed to the first notch K1, and the connecting member 141 is connected with the pull test mechanism. Reference may be made to the relevant descriptions of the previously disclosed embodiments, and no further description is given here.
In one implementation scenario, the first interface 131 may be configured by a method including, but not limited to: and the dispensing, sucking disc and other modes are connected with the object to be tested. Taking the connection of the first butt joint portion 131 with the object to be tested by dispensing as an example, for convenience of description, the contact area between the first butt joint portion 131 and the object to be tested may be denoted as S 0 The glue can be injected at a constant speed (e.g., 0.1 ml/s), and the pulling force F that the first butt joint 131 can resist can be expressed asThe method is shown as follows:
F＝20Mpa×S 0
in an implementation scenario, referring to fig. 1, after the object to be tested is clamped by the clamping component 12, the drag hook LG is in a suspended state, as in the above-described embodiment, the pull test fixture may further include a second guide slot 15 connected to the test base CSJT, where the second guide slot 15 may be adjusted to adjust the object to be tested to a position directly below the drag hook LG, and then the first abutting portion 131 of the first guide slot 13 is connected to the object to be tested through dispensing.
Step S93: the connecting member 141 is moved by the sliding member 142 until the connecting member 141 reaches the position opposite to the position to be measured on the object to be measured.
In particular, for specific meaning of the relative position, reference may be made to the related description in the foregoing disclosed embodiments, and the description is omitted herein. In addition, after the first abutting portion 131 of the first guide groove 13 is firmly connected with the object to be tested, the draw hook LG of the drawing test mechanism can be connected with the connecting piece 141, and the drawing test mechanism is started, in the process, the draw hook LG is continuously lifted (for example, lifted at a speed of 5-30 mm/min), and the sliding component 142 can slide in the first guide groove 13, so that test positioning is realized.
Step S94: and testing the strength of the position to be tested by using a drawing test mechanism.
Specifically, as the drawing force increases, the elastic member T is compressed, the connecting member 141 interacts with the first guide groove 13, the connecting member 141 is fixed in position relative to the first guide groove 13 due to friction force, the sliding assembly 142 is no longer slid, and the drawing force received by 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 a force perpendicular to the horizontal plane, after the strength of the position to be measured is measured, the drag hook LG may be put down, and the sliding component 142 may slide to the position opposite to the next position to be measured of the object to be measured again due to the action of the elastic component T and the gravity.
According to the technical scheme, the object to be tested is clamped by the clamping component of the drawing test fixture, the first butt joint part is used for connecting the object to be tested, the sliding component is used for moving the connecting piece until the connecting piece reaches the relative position of the position to be tested on the object to be tested, and then the drawing test mechanism is used for testing the strength of the position to be tested, so that the drawing test at the relative position of the connecting piece 141 can be ensured, and the sliding component 142 can slide in the first channel D1, so that when the sliding component 142 slides to different positions in the first channel D1, the drawing test mechanism can carry out drawing test on different positions on the same surface of the object to be tested, the object to be tested does not need to be reloaded, and the efficiency, the safety and the comparability of test results of different test positions on the same surface of the object to be tested are improved.
In some embodiments, functions or modules included in an apparatus provided by the embodiments of the present disclosure may be used to perform a method described in the foregoing method embodiments, and specific implementations thereof may refer to descriptions of the foregoing method embodiments, which are not repeated herein for brevity.
The foregoing description of various embodiments is intended to highlight differences between the various embodiments, which may be the same or similar to each other by reference, and is not repeated herein for the sake of brevity.
In the several embodiments provided in the present application, it should be understood that the disclosed methods and apparatus may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of modules or units is merely a logical functional division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical, or other forms.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the embodiment.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be embodied essentially or in part or all or part of the technical solution contributing to the prior art or in the form of a software product stored in a storage medium, including several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to perform all or part of the steps of the methods of 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, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
Claims (8)
1. Drawing test fixture, its characterized in that includes:
the bearing assembly comprises a bottom plate, and a first side plate and a second side plate which are perpendicular to the bottom plate, wherein the first side plate and the second side plate are positioned on the same side of the bottom plate, and the first side plate and the second side plate are arranged in parallel;
the clamping assembly is used for clamping an object to be tested and is borne on the bearing assembly, and comprises a push rod and a baffle plate connected to one end of the push rod, wherein the baffle plate is positioned between the first side plate and the second side plate;
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 channel and a first notch which are communicated with each other, and the width of the first channel is larger than that of the first notch;
a movement mechanism comprising a connecting piece and a sliding component which are connected with each other, wherein the sliding component is connected in the first channel in a sliding way, the width of the sliding component is larger than that of the first notch, and the connecting piece is at least partially exposed to the first notch;
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, and the ejector rod penetrates through the third through hole and is matched with the external thread through the internal thread, so that the object to be tested is clamped between the baffle plate and the second side plate; the connecting piece comprises a first end part and a second end part, the first end part is exposed out of the first notch, the first end part 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, the second end part is accommodated in the first channel, and the sliding assembly comprises a shaft, a pulley and an elastic piece; the second end is provided with a first through hole, the shaft penetrates through the first through hole, two ends of the shaft are respectively connected with the pulley, a blind hole is formed between the two ends of the shaft, the blind hole faces the first surface of the first through hole, the first surface is far away from the first end, one end of the elastic piece is accommodated in the blind hole, and the other end of the elastic piece is abutted to the first surface.
2. The jig of claim 1, wherein the second end has a width greater than the width of the first slot and a height less than the height of the first channel.
3. The jig according to claim 1, wherein the first through hole has a rectangular cross section, the first through hole 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 assembly further comprises a sliding bearing and a journal sleeve, the journal sleeve is sleeved at the two tail ends respectively, the journal sleeve is provided with the sliding bearing, and the sliding bearing sleeve is provided with the pulley.
4. The fixture of claim 1, wherein the first docking portion is connected to the object to be tested by dispensing.
5. The jig according to claim 1, wherein the first butt joint portion includes a second surface for connection with the object to be measured 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.
6. The fixture of claim 1, wherein the first docking portion comprises 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 coating glue.
7. The jig of claim 1, further comprising a second guide slot comprising a second docking portion and a second chute portion;
the second butt joint part is used for connecting the test base, the second chute part is provided with a second chute and a second notch which are communicated with each other, the width of the second chute is larger than that of the second notch, the bearing assembly is at least partially connected in the second notch in a sliding way, and the width of the bearing assembly is larger than that of the second notch.
8. A pull-out test method, comprising:
clamping an object to be tested by using a clamping component of the drawing test fixture; the drawing test fixture further comprises a first guide groove and a bearing assembly, wherein 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 communicated with each other, and the width of the first groove channel is larger than that of the first notch; the bearing assembly comprises a bottom plate, and a first side plate and a second side plate which are perpendicular to the bottom plate, wherein the first side plate and the second side plate are positioned on the same side of the bottom plate, and the first side plate and the second side plate are arranged in parallel; the clamping assembly comprises a push rod and a baffle plate connected to one end of the push 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, and the ejector rod penetrates through the third through hole and is matched with the external thread through the internal thread, so that the object to be tested is clamped between the baffle plate and the second side plate;
connecting the object to be tested 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 component, 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, the connecting piece is at least partially exposed to the first notch, and the connecting piece is connected with the drawing test mechanism;
moving the connecting piece by utilizing the sliding component until the connecting piece reaches the relative position of the position to be detected on the object to be detected;
testing the strength of the position to be tested by using the drawing test mechanism;
the connecting piece comprises a first end part and a second end part, the first end part exposes the first notch, the first end part is used for being connected with the drawing test mechanism, the second end part is accommodated in the first channel, and the sliding assembly comprises a shaft, a pulley and an elastic piece; the second end is provided with a first through hole, the shaft penetrates through the first through hole, two ends of the shaft are respectively connected with the pulley, a blind hole is formed between the two ends of the shaft, the blind hole faces the first surface of the first through hole, the first surface is far away from the first end, one end of the elastic piece is accommodated in the blind hole, and the other end of the elastic piece is abutted to the first surface.
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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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| CN113740156A (en) | 2021-12-03 |
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