CN113447100B - Elastomer of weighing sensor and weighing system - Google Patents
Elastomer of weighing sensor and weighing system Download PDFInfo
- Publication number
- CN113447100B CN113447100B CN202111005482.6A CN202111005482A CN113447100B CN 113447100 B CN113447100 B CN 113447100B CN 202111005482 A CN202111005482 A CN 202111005482A CN 113447100 B CN113447100 B CN 113447100B
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- cantilever type
- frame
- type elastic
- base
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- 238000005303 weighing Methods 0.000 title claims abstract description 25
- 229920001971 elastomer Polymers 0.000 title claims abstract description 12
- 239000000806 elastomer Substances 0.000 title claims abstract description 12
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 230000005489 elastic deformation Effects 0.000 description 7
- 230000005484 gravity Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
- G01G3/14—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of electrical resistance
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Force In General (AREA)
Abstract
The invention provides an elastomer of a weighing sensor and a weighing system, which comprise a base, a vertical plate, an action frame, a cantilever type elastic plate, a pressure plate, a guide rail, a support frame, a spring and auxiliary deformation components, wherein the vertical plate is arranged on the base, the action frame is positioned on the base and forms a moving pair in the vertical direction, an action block at the bottom of the action frame is contacted with the end part of the cantilever type elastic plate, the two auxiliary deformation components are oppositely arranged, and the auxiliary deformation components are arranged between the base and the action frame. When moving down through the clamp plate, the tip of inclined plane form can contact with the support frame, and then promote the support frame and move outward and make the support frame move to the direction that is close to the cantilever type elastic plate, and then the support frame can withstand the cantilever type elastic plate when the cantilever type elastic plate shape variable is too big, avoids the cantilever type elastic plate that causes because of the load is too big to take place the condition of inelastic deformation, and supplementary deformation subassembly produces deformation when the cantilever type elastic plate shape variable is too big, realizes supplementary support and measuring effect.
Description
Technical Field
The invention relates to the technical field of weighing, in particular to an elastic body of a weighing sensor and a weighing system.
Background
The publication number CN2903934 discloses a cantilever beam type weighing sensor, the arrangement position of strain holes is asymmetric with the thickness of the upper and lower walls of the elastic body, a stress blocking groove is arranged between the bottom plane of the lower strain area of the elastic body and the bottom plane of the fixed end, the stress blocking groove is arranged at 90 degrees with the axial length direction, the upper strain area of the elastic body is provided with a concave surface for mounting a working circuit, and the strain gauge is arranged in the upper strain area.
Above-mentioned prior art elastic deformation can take place for the elastomer when weighing, and then strain gauge resistance will produce the signal of telecommunication, but will damage the elastomer when the elastic deformation volume that surpasss the elastomer, lead to the effect that can't accurately weigh.
Disclosure of Invention
The present invention is directed to a weighing sensor and an elastic body thereof, so as to solve the problems of the related art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a weighing sensor's elastomer, includes base, riser, effect frame, cantilever type elastic plate, clamp plate, guide rail, support frame, spring and supplementary deformation subassembly, the riser setting is on the base, and the effect frame is located the base and forms the sliding pair in vertical direction, wherein:
the cantilever type elastic plate is connected with the vertical plate, an action block at the bottom of the action frame is in contact with the end of the cantilever type elastic plate, the pressing plate is arranged below the action frame, the guide rail is arranged on the base, the supporting frame is arranged on the guide rail in a matched mode, the supporting frame is located at the bottom of the cantilever type elastic plate, a spring is arranged between the supporting frame and the guide rail, the end of the pressing plate is in an inclined plane shape, when the pressing plate moves downwards, the end of the inclined plane shape can be in contact with the supporting frame, the supporting frame is pushed to move outwards to enable the supporting frame to move towards the direction close to the cantilever type elastic plate, the two auxiliary deformation assemblies are oppositely arranged, and the auxiliary deformation assemblies are arranged between the base and the action frame and are used for generating deformation when the variation of the cantilever type elastic plate shape is too large.
Preferably, the auxiliary deformation assembly comprises a bottom plate, connecting rods and elastic baffles, the base and the action frame are respectively provided with a bottom plate, two ends of the bottom plate are respectively hinged with one connecting rod, the two connecting rods on the same side of the two bottom plates are hinged with each other, the two elastic baffles are oppositely arranged on the bottom plate, and the hinged point of the mutually hinged connecting rods is right opposite to the elastic baffle.
Preferably, the two bottom plates and the connecting rod hinged with the bottom plates form a trapezoid.
Preferably, the bottom of the base is provided with a sleeve, and the bottom of the action frame is provided with a support rod, wherein the support rod is matched in the sleeve.
Preferably, the pressing plate is fixedly sleeved on the supporting rod, and the guide rail is fixedly sleeved on the sleeve.
A weighing system comprises the elastomer of the weighing sensor.
Compared with the prior art, the invention has the beneficial effects that:
according to the cantilever type elastic plate shape variable measuring device, the inclined-plane-shaped end part can be in contact with the supporting frame when the pressing plate moves downwards, so that the supporting frame is pushed to move outwards to enable the supporting frame to move towards the direction close to the cantilever type elastic plate, the supporting frame can be abutted against the cantilever type elastic plate when the cantilever type elastic plate shape variable is overlarge, the situation that the cantilever type elastic plate is subjected to inelastic deformation due to overlarge load is avoided, the auxiliary deformation assembly deforms when the cantilever type elastic plate shape variable is overlarge, and the auxiliary supporting and measuring effects are achieved.
Drawings
FIG. 1 is a three-dimensional schematic of the overall structure of the present invention;
FIG. 2 is a side view of the overall structure of the present invention;
FIG. 3 is a full sectional view of FIG. 2;
fig. 4 is a three-dimensional schematic view of a guide rail according to the present invention.
In the figure: the device comprises a base 1, a vertical plate 2, an action frame 3, a cantilever type elastic plate 4, a pressing plate 5, a guide rail 6, a support frame 7, a spring 8, a deformation assisting component 9, a sleeve 11, a support rod 31, a bottom plate 91, a connecting rod 92 and an elastic baffle 93.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
referring to fig. 1 to 4, the present invention provides a technical solution:
the utility model provides a weighing sensor's elastomer, includes base 1, riser 2, acts on frame 3, cantilever type elastic plate 4, clamp plate 5, guide rail 6, support frame 7, spring 8 and supplementary deformation subassembly 9, wherein:
the vertical plate 2 is arranged on the base 1, the bottom of the base 1 is provided with a sleeve 11, the bottom of the action frame 3 is provided with a support rod 31, the support rod 31 is matched in the sleeve 11, and then the action frame 3 forms a moving pair in the vertical direction;
the cantilever type elastic plate 4 is connected with the vertical plate 2, an action block at the bottom of the action frame 3 is contacted with the end part of the cantilever type elastic plate 4, and then the action frame 3 moves downwards to enable the cantilever type elastic plate 4 to generate elastic deformation, the pressing plate 5 is fixedly sleeved on the supporting rod 31, the guide rail 6 is fixedly sleeved on the sleeve 11, when the action frame 3 moves, the pressing plate 5 moves along with the action, the guide rail 6 is provided with the supporting frame 7 in a matching way, wherein the supporting frame 7 forms a moving pair on the guide rail 6, the supporting frame 7 is positioned at the bottom of the cantilever type elastic plate 4, a gap is formed between the top of the supporting frame 7 and the bottom of the cantilever type elastic plate 4, the spring 8 is arranged between the supporting frame 7 and the guide rail 6, the end part of the pressing plate 5 is in an inclined plane shape, when the pressing plate 5 moves downwards, the inclined plane-shaped end part can be contacted with the supporting frame 7, and then the supporting frame 7 is pushed to move outwards to enable the supporting frame 7 to move towards the direction close to the cantilever type elastic plate 4, the supporting frame 7 can play a cantilever supporting role when the cantilever type elastic plate 4 is excessively deformed, the two auxiliary deformation components 9 are oppositely arranged, the auxiliary deformation components 9 are arranged between the base 1 and the action frame 3 and are used for being deformed when the deformation of the cantilever type elastic plate 4 is too large, each auxiliary deformation component 9 comprises a bottom plate 91, a connecting rod 92 and an elastic baffle plate 93, the base 1 and the action frame 3 are respectively provided with a bottom plate 91, two ends of each bottom plate 91 are respectively hinged with one connecting rod 92, the two connecting rods 92 on the same side of the two bottom plates 91 are mutually hinged, the two bottom plates 91 and the connecting rods 92 hinged with the bottom plates 91 form a trapezoid, the connecting rods 92 hinged with each other extend outwards when the two bottom plates 91 displace towards the mutually approaching direction, the two elastic baffle plates 93 are oppositely arranged on the bottom plates 91, wherein the hinged points of the mutually hinged connecting rods 92 are opposite to the elastic baffle plates 93, the extended link 92 applies a force to the elastic shutter 93 so that the elastic shutter 93 is elastically deformed.
A weighing system comprises the elastomer of the weighing sensor.
The working principle of the invention is as follows: when the weighing device is used, the gravity of goods acts on the action frame 3, so that the action frame 3 moves downwards, and at the moment, the action block at the bottom of the action frame 3 exerts an action force on the cantilever type elastic plate 4, so that the cantilever type elastic plate 4 is elastically deformed, and the weighing effect is realized;
and will cause irreversible damage to cantilever type elastic plate 4 when the gravity of goods has surpassed cantilever type elastic plate 4 and has taken place the deformation volume of elastic deformation, the distance that moves down of action frame 3 will corresponding increase when so goods gravity is too big, and clamp plate 5 moves down thereupon when action frame 3 moves down, and the tip of clamp plate 5 inclined plane form can contact with support frame 7, and then promote support frame 7 and move outward and make support frame 7 move to the direction that is close to cantilever type elastic plate 4, even support frame 7 can be installed cantilever type and support at cantilever type elastic plate 4 to being the cantilever type under the too big condition of goods gravity, cantilever type elastic plate 4 just can't deform again this moment, and then protection cantilever type elastic plate 4. Two bottom plates 91 in the supplementary deformation subassembly 9 will move towards the direction that is close to each other when effect frame 3 moves down, articulated connecting rod 92 will be close to each other then, the pin joint of two connecting rod 92 of mutual articulated this moment will be to the direction motion of being close to elastic baffle 93, and then connecting rod 92 applys the effort to elastic baffle 93 and makes elastic baffle 93 take place elastic deformation, elastic baffle 93 also can take place deformation when cantilever type elastic plate 4 is about to reach elastic deformation's limit then, and then whole weighing process is linear process.
The effect that supplementary deformation subassembly 9 set up lies in, will lead to the decline of the limit of weighing when cantilever type elastic plate 4 adopts the great material of deformation volume, and the signal of telecommunication that strain formula resistance produced is just weaker when adopting the less material of deformation volume, consequently set up supplementary deformation subassembly 9 after even arm-type elastic plate 4 adopts the great material of deformation volume elasticity baffle 93 in supplementary deformation subassembly 9 also can realize elastic deformation, and then guaranteed the numerical value of weighing the limit, and the elasticity of elastic baffle 93 also can offset the weight of part goods, and then protection cantilever type elastic plate 4 can not produce inelastic deformation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a weighing sensor's elastomer, includes base (1), riser (2), acts on frame (3), cantilever type elastic plate (4), clamp plate (5), guide rail (6), support frame (7), spring (8) and supplementary deformation subassembly (9), riser (2) set up on base (1), and act on frame (3) and be located base (1) and form the sliding pair in vertical direction, its characterized in that:
the cantilever type elastic plate (4) is connected with the vertical plate (2), an action block at the bottom of the action frame (3) is in contact with the end part of the cantilever type elastic plate (4), the pressing plate (5) is arranged below the action frame (3), the guide rail (6) is arranged on the base (1), a supporting frame (7) is arranged on the guide rail (6) in a matching way, the supporting frame (7) is positioned at the bottom of the cantilever type elastic plate (4), a spring (8) is arranged between the supporting frame (7) and the guide rail (6), the end part of the pressing plate (5) is in an inclined plane shape, when the pressing plate (5) moves downwards, the inclined plane-shaped end part can be in contact with the supporting frame (7) so as to push the supporting frame (7) to move outwards to enable the supporting frame (7) to move towards the direction close to the cantilever type elastic plate (4), the two auxiliary deformation assemblies (9) are arranged oppositely, and the auxiliary deformation assemblies (9) are arranged between the base (1) and the action frame (3), the cantilever type elastic plate (4) is used for generating deformation when the deformation quantity is too large.
2. The elastic body of a load cell according to claim 1, wherein: the auxiliary deformation assembly (9) comprises a bottom plate (91), connecting rods (92) and elastic baffle plates (93), wherein the bottom plate (91) is arranged on the base (1) and the action frame (3), the two ends of the bottom plate (91) are hinged with the connecting rods (92), the two connecting rods (92) on the same side of the two bottom plates (91) are hinged with each other, the two elastic baffle plates (93) are oppositely arranged on the bottom plates (91), and the hinge points of the mutually hinged connecting rods (92) face the elastic baffle plates (93).
3. The elastic body of a load cell according to claim 2, wherein: the two bottom plates (91) and the connecting rods (92) hinged with the bottom plates form a trapezoid.
4. The elastic body of a load cell according to claim 1, wherein: the bottom of base (1) is equipped with sleeve (11), and the bottom of acting on frame (3) is equipped with bracing piece (31), and wherein bracing piece (31) cooperation is in sleeve (11).
5. The elastic body of a load cell according to claim 4, wherein: the pressing plate (5) is fixedly sleeved on the supporting rod (31), and the guide rail (6) is fixedly sleeved on the sleeve (11).
6. A weighing system comprising an elastomer of a load cell according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111005482.6A CN113447100B (en) | 2021-08-30 | 2021-08-30 | Elastomer of weighing sensor and weighing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111005482.6A CN113447100B (en) | 2021-08-30 | 2021-08-30 | Elastomer of weighing sensor and weighing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113447100A CN113447100A (en) | 2021-09-28 |
| CN113447100B true CN113447100B (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111005482.6A Active CN113447100B (en) | 2021-08-30 | 2021-08-30 | Elastomer of weighing sensor and weighing system |
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| Country | Link |
|---|---|
| CN (1) | CN113447100B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2107867A1 (en) * | 1970-09-22 | 1972-05-12 | Johnson Clarence | |
| CN106052824A (en) * | 2016-01-20 | 2016-10-26 | 滁州贝腾特电器有限公司 | Single-plate double-order weighing electronic scale |
| CN106124020A (en) * | 2016-01-20 | 2016-11-16 | 申俊 | A kind of double essence electronic scale |
| CN206095373U (en) * | 2016-08-31 | 2017-04-12 | 江苏文瑞智能科技有限公司 | Weigh and use gravity sensor |
| CN210570996U (en) * | 2019-09-10 | 2020-05-19 | 宜兴西工维新科技有限公司 | Electronic scale with anti-overload function |
| CN211978086U (en) * | 2020-06-16 | 2020-11-20 | 上海君珏自动化科技有限公司 | Weighing sensor with dustproof function |
-
2021
- 2021-08-30 CN CN202111005482.6A patent/CN113447100B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2107867A1 (en) * | 1970-09-22 | 1972-05-12 | Johnson Clarence | |
| CN106052824A (en) * | 2016-01-20 | 2016-10-26 | 滁州贝腾特电器有限公司 | Single-plate double-order weighing electronic scale |
| CN106124020A (en) * | 2016-01-20 | 2016-11-16 | 申俊 | A kind of double essence electronic scale |
| CN206095373U (en) * | 2016-08-31 | 2017-04-12 | 江苏文瑞智能科技有限公司 | Weigh and use gravity sensor |
| CN210570996U (en) * | 2019-09-10 | 2020-05-19 | 宜兴西工维新科技有限公司 | Electronic scale with anti-overload function |
| CN211978086U (en) * | 2020-06-16 | 2020-11-20 | 上海君珏自动化科技有限公司 | Weighing sensor with dustproof function |
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| Publication number | Publication date |
|---|---|
| CN113447100A (en) | 2021-09-28 |
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Address after: No. 135, Jianghai street, Xiahe Town, Yinyang Town, Qidong City, Nantong City, Jiangsu Province, 226000 Patentee after: Jiangsu Zhuoming Electronic Technology Co.,Ltd. Address before: No. 135, Jianghai street, Xiahe Town, Yinyang Town, Qidong City, Nantong City, Jiangsu Province, 226000 Patentee before: Jiangsu Zhuoming Electronic Technology Co.,Ltd. |
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