CN107144462B - Pulling force test fixture - Google Patents
Pulling force test fixture Download PDFInfo
- Publication number
- CN107144462B CN107144462B CN201710240494.4A CN201710240494A CN107144462B CN 107144462 B CN107144462 B CN 107144462B CN 201710240494 A CN201710240494 A CN 201710240494A CN 107144462 B CN107144462 B CN 107144462B
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- vertical plate
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- test fixture
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- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 238000003825 pressing Methods 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 9
- 238000001746 injection moulding Methods 0.000 abstract description 16
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 230000032683 aging Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a drawing force test fixture which comprises a base, a fixing mechanism and a drawing assembly, wherein the fixing mechanism comprises a positioning part and a pressing part, the positioning part comprises a vertical plate and a movable supporting piece, the vertical plate is arranged on the base, the movable supporting piece is arranged on the vertical plate in a position-adjustable mode relative to the vertical plate, the pressing part is arranged on the base relative to the movable supporting piece, the drawing assembly comprises a drawing sliding block, and the drawing sliding block is movably arranged on one side, facing the pressing part, of the vertical plate along a direction perpendicular to the base. Above-mentioned drawing force test fixture will wait to detect the injection molding and place on the base, and the movable support piece who locates on the riser in the locating part can compress tightly fixedly with the product through the piece that compresses tightly that relative movable support piece set up according to the concave-convex part adjustment position of the difference on the different injection moldings, can support in the inner chamber side of multiple shape specification injection molding, and the drawing force is applyed to the firm injection molding of clamping to the slider is drawn to last accessible, can adjust fixed establishment according to the structure of different products, realizes quick clamping location.
Description
Technical Field
The invention relates to the technical field of drawing force testing, in particular to a drawing force testing jig.
Background
In order to ensure the delivery quality of the injection molded product, various tests, for example, a drawing force test, are required for the injection molded product. In the testing process, the product needs to be positioned, and the jig is widely used as a tool for assisting in controlling the position and/or the action. However, some injection molding products have short development cycle and the shape and specification of the injection molding products are changed frequently, such as injection molding parts in electronic products such as mobile phones, tablet computers, navigators, electronic books, learning machines and the like. The traditional jig for testing the drawing force can only test the injection molding product with a single shape specification, and cannot meet the positioning requirement of the drawing force test of the injection molding piece with frequently changed shape specification.
Disclosure of Invention
Therefore, a drawing force testing jig capable of meeting the positioning requirements of injection molding pieces with various shapes and specifications is needed.
A drawing force test jig includes:
a base;
the fixing mechanism comprises a positioning part and a pressing part, the positioning part comprises a vertical plate and a movable support piece, the vertical plate is arranged on the base, the movable support piece is arranged on the vertical plate in a position-adjustable manner relative to the vertical plate and is used for supporting the inner cavity side of a product, and the pressing part is arranged on the base relative to the movable support piece and is used for pressing and fixing the product;
the drawing assembly comprises a drawing sliding block, and the drawing sliding block is movably arranged on one side of the vertical plate, which faces the pressing part, of the vertical plate relative to the vertical plate along the direction perpendicular to the base.
Above-mentioned drawing force test fixture is used for testing injection moulding product's drawing force, the injection molding that will wait to detect is placed on the base, the movable support piece who locates on the riser in the locating part can be according to the concave-convex part adjustment position of the difference on the different injection molding, can support in the inner chamber side of multiple shape specification injection molding, then compress tightly fixedly the product through the piece that compresses tightly that relative movable support piece set up, drawing force is applyed to a certain dynamometry point of the injection molding that the clamping is firm to the slider that draws in the subassembly at last accessible, so adjust fixed establishment according to the structure of different products, realize quick clamping location, can adapt to projects such as nervous 3C class cell-phone product of cycle, the aging is improved, and the manufacturing cost is reduced.
In one embodiment, a vertical mounting groove is formed in the vertical plate along a direction perpendicular to the base, and the movable support is movably arranged on the vertical mounting groove.
In one embodiment, the number of the vertical installation grooves is multiple, the vertical installation grooves are arranged at intervals along a first direction, and the movable supporting piece is selectively arranged in at least two of the vertical installation grooves;
the first direction is parallel to the base and perpendicular to the extending direction of the vertical mounting groove.
In one embodiment, the pressing part comprises a matching plate and a pressing piece, and the pressing piece is arranged on the matching plate in a penetrating mode and can move close to or away from the vertical plate to press or release the product.
In one embodiment, the matching plate is provided with a plurality of threaded holes at intervals along a direction perpendicular to the base, and the pressing piece penetrates through and is in threaded connection with the corresponding threaded hole.
In one embodiment, the drawing assembly further comprises a moving part, the moving part is movably arranged at the top of the vertical plate along a second direction, and the drawing slide block is movably arranged on the moving part along a direction vertical to the base;
wherein the second direction is parallel to the base.
In one embodiment, the base is provided with a plurality of mounting parts for mounting the pressing part, and the pressing part can be selectively matched with one of the mounting parts.
In one embodiment, a supporting position for supporting a product is arranged on the base, and the supporting position is located between the vertical plate and the second positioning portion.
In one embodiment, the first positioning portion further includes a fixed support, and the fixed support is disposed on the vertical plate, and is located on the same side as the movable support, and is configured to support an inner cavity side of the product.
In one embodiment, one end of the drawing slider, which is close to the base, is provided with a drawing force acting part in a protruding manner in the direction away from the vertical plate.
Drawings
Fig. 1 is a schematic structural diagram of a drawing force testing fixture according to an embodiment of the invention;
fig. 2 is a schematic structural view of another view angle of the drawing force testing jig shown in fig. 1.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 and fig. 2, the drawing force testing fixture 100 in an embodiment of the invention includes a base 10, a fixing mechanism 30 and a drawing assembly 50, wherein the fixing mechanism 30 includes a positioning portion 32 and a pressing portion 34, the positioning portion 32 includes a vertical plate 321 and a movable support 323, the vertical plate 321 is disposed on the base 10, the movable support 323 is adjustably disposed on the vertical plate 321 relative to the vertical plate 321 for supporting an inner cavity side of a product, the pressing portion 34 is disposed on the base 10 relative to the movable support 323 for pressing and fixing the product, the drawing assembly 50 includes a drawing slider 52, and the drawing slider 52 is movably disposed on one side of the vertical plate 321 facing the pressing portion 34 along a direction perpendicular to the base 10 relative to the vertical plate 321.
The drawing force test fixture 100 is used for testing the drawing force of injection products, injection parts to be tested are placed on the base 10, the positions of movable supporting pieces 323 arranged on the vertical plates 321 in the positioning portions 32 can be adjusted according to different concave-convex portions on different injection parts, the movable supporting pieces can be supported on the inner cavity sides of the injection parts with various shapes and specifications, then the products are pressed and fixed through the pressing pieces 36 arranged relative to the movable supporting pieces 323, finally, the drawing force can be applied to a certain force measuring point of the injection parts which are stably clamped through the drawing sliding blocks 52 in the drawing assemblies 50, the fixing mechanisms 30 are adjusted according to the structures of different products, rapid clamping and positioning are achieved, the drawing force test fixture can be suitable for the items such as 3C mobile phone products with short periods, the aging is improved, and the manufacturing cost is.
In an embodiment, a supporting portion 12 for supporting a product is disposed on the base 10, and the supporting portion 12 is disposed between the vertical plate 321 and the pressing portion 34 for placing and supporting the product to be tested. Specifically, the supporting portion 12 is a protruding boss, and the supporting portion 12 protrudes out to facilitate the use of the jig by an operator. Alternatively, the supporting portion 121 may be a groove or the like, which is not limited herein.
Further, the base 10 is provided with a plurality of mounting portions 14 for mounting the pressing portion 34, the pressing portion 34 can be selectively mounted in cooperation with one of the mounting portions 14, the pressing portion 34 is mounted through the mounting portions 123, and the diversity of the positions of the pressing portion 34 is increased to cooperate with more types of products to complete clamping.
In an embodiment, a vertical mounting groove 3212 is formed in the vertical plate 321 of the positioning portion 32 along the direction perpendicular to the base 10, the movable support 323 is movably disposed on the vertical mounting groove 3212, and the movable support 323 can move along the extending direction of the vertical mounting groove 3212 to adjust the contact position with a product to be tested, so as to adapt to different concave-convex portions on different injection-molded products.
Further, the number of the vertical mounting grooves 3212 is plural, the plural vertical mounting grooves 3212 are arranged at intervals in a first direction, the movable support 323 can be selectively fixed to at least two of the plural vertical mounting grooves, the first direction is parallel to the base 10 and perpendicular to the extending direction of the vertical mounting grooves 3212, the position of the movable support 323 in the plane of the vertical plate 321 is adjusted through the plural vertical mounting grooves 3212, and the movable support 323 can be more flexibly adapted to the clamping of injection molding pieces with different specifications and shapes.
In this embodiment, the number of the movable supporting members 323 is also multiple, and each movable supporting member 323 is fixed on at least two of the vertical mounting grooves 3212 by selecting a suitable position on the vertical plate 321, so that the contact area for clamping the product to be tested is increased, and clamping is more reliable while clamping of products to be tested of various models is satisfied.
Further, the positioning portion 32 further includes a fixing support 325, the fixing support 325 is disposed on the vertical plate 321, and is located on the same side as the movable support 323, and is used for supporting the inner cavity side of the product, one side of the product contacts with the fixing support 325 and the movable support 323, so that the product can keep vertical on the base 10, the movable support 323 is disposed at the top end of the vertical plate 321, and the fixing support 325 is disposed at the bottom end of the vertical plate 321, so as to uniformly contact with the product to be tested, and provide uniform clamping force. Optionally, the fixed support 325 is disposed flush with the movable support 323, facilitating clamping.
In an embodiment, the pressing portion 34 includes a fitting plate 341 and a pressing member (not shown), the pressing member is disposed on the fitting plate 341 and can move toward or away from the opposite plate 321 to press or release the product, so that the product is fixed between the positioning portion 32 and the pressing portion 34 by the pressing member movably disposed on the fitting plate 341.
Further, the matching plate 341 is provided with a plurality of threaded holes at intervals along a direction perpendicular to the base 10, the pressing member is inserted into and screwed into the corresponding threaded hole, the matching plate 341 and the pressing member are connected in a threaded connection manner, and the pressing member is selectively matched with one of the plurality of threaded holes according to the concave-convex portion of one surface of the product to be tested facing the matching plate 341, so that pressing force can be applied to various products to be tested.
In this embodiment, the matching plate 341 is a long strip-shaped plate, the mounting portion 14 of the bottom plate 10 for mounting the pressing portion 34 is two mounting holes opened on the base 10, each matching plate 341 is fixed on the base 10 through the two mounting holes, the number of the matching plates 341 may be multiple, and the number of the pressing pieces may also be multiple to reliably fix and clamp the product to be tested, which is not limited herein.
In one embodiment, the pulling assembly 50 further includes a moving portion 54, the moving portion 54 is movably disposed on the top of the vertical plate 321 along a second direction, the pulling slider 52 is movably disposed on the moving portion 54 along a direction perpendicular to the base 10, and the second of the moving portions is disposed parallel to the base 10, so that the pulling slider 52 can be brought to a position near the force measuring point of the product by the moving portion 54, and then the pulling slider 52 is fixed to the force measuring point of the product, and a pulling force is applied to the product by the movement of the pulling slider 52 perpendicular to the base 10.
Specifically, the moving portion 54 is provided with a first sliding groove 541 and a second sliding groove 543, the top of the vertical plate 321 is provided with a first rail 3214 along the direction parallel to the base, the drawing slider 52 includes a second rail 521 arranged along the direction perpendicular to the base 10, the first sliding groove 541 of the moving portion 54 is provided on the first rail 3214 and can move along the same, and the second rail 521 of the drawing slider 52 is provided in the second sliding groove 543 and can slide relative to the moving portion 54. It is understood that in some other embodiments, the first rail 3214 may be disposed on the moving portion 54, the second rail 521 may also be disposed on the moving portion 54, and the first sliding groove 541 and the second sliding groove 543 are disposed corresponding to the first rail 3214 and the second rail 521, respectively, which is not limited herein.
Further, one end of the drawing slider 52 close to the base 10 is provided with a drawing force acting part 523 in a protruding manner in a direction away from the vertical plate 321, and the drawing force acting part 523 arranged in a protruding manner is buckled with a product to be tested, so that drawing force can be applied to the product to be tested when the drawing slider 52 moves in a direction perpendicular to the base 10, and the drawing force test is performed. Specifically, the drawing force acting portion 523 is provided at the end of the second rail 521 of the drawing slider 52. It is understood that, in other embodiments, the drawing slider 52 may be fixed to the product to be tested by other means such as gluing, and the like.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710240494.4A CN107144462B (en) | 2017-04-13 | 2017-04-13 | Pulling force test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710240494.4A CN107144462B (en) | 2017-04-13 | 2017-04-13 | Pulling force test fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107144462A CN107144462A (en) | 2017-09-08 |
| CN107144462B true CN107144462B (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710240494.4A Active CN107144462B (en) | 2017-04-13 | 2017-04-13 | Pulling force test fixture |
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| Country | Link |
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| CN (1) | CN107144462B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478573A (en) * | 2017-09-28 | 2017-12-15 | 北京小米移动软件有限公司 | The detection tool and characterization processes of housing unit |
| CN119124994A (en) * | 2024-11-14 | 2024-12-13 | 苏州元脑智能科技有限公司 | A loading device and a pulling test fixture |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090048696A (en) * | 2007-11-12 | 2009-05-15 | 재단법인 포항산업과학연구원 | Jig for Universal Testing Machine |
| CN103175740A (en) * | 2013-03-15 | 2013-06-26 | 浙江天能电池(江苏)有限公司 | Universal molded case side plate strength detecting device |
| CN203117050U (en) * | 2013-01-21 | 2013-08-07 | 厦门新鸿洲精密科技有限公司 | Drawing force testing jig |
| CN105291010A (en) * | 2015-10-30 | 2016-02-03 | 广东长盈精密技术有限公司 | fixture |
| CN205027604U (en) * | 2015-05-25 | 2016-02-10 | 新昌县开源汽车轴承有限公司 | Novel sensor die pull is measured device |
| CN106525578A (en) * | 2015-09-15 | 2017-03-22 | 广东雪洁日化用品有限公司 | Pieces tensile testing machine |
-
2017
- 2017-04-13 CN CN201710240494.4A patent/CN107144462B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090048696A (en) * | 2007-11-12 | 2009-05-15 | 재단법인 포항산업과학연구원 | Jig for Universal Testing Machine |
| CN203117050U (en) * | 2013-01-21 | 2013-08-07 | 厦门新鸿洲精密科技有限公司 | Drawing force testing jig |
| CN103175740A (en) * | 2013-03-15 | 2013-06-26 | 浙江天能电池(江苏)有限公司 | Universal molded case side plate strength detecting device |
| CN205027604U (en) * | 2015-05-25 | 2016-02-10 | 新昌县开源汽车轴承有限公司 | Novel sensor die pull is measured device |
| CN106525578A (en) * | 2015-09-15 | 2017-03-22 | 广东雪洁日化用品有限公司 | Pieces tensile testing machine |
| CN105291010A (en) * | 2015-10-30 | 2016-02-03 | 广东长盈精密技术有限公司 | fixture |
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| Publication number | Publication date |
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| CN107144462A (en) | 2017-09-08 |
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