CN109282880B - Dynamic weight checking machine - Google Patents
Dynamic weight checking machine Download PDFInfo
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- CN109282880B CN109282880B CN201811260132.2A CN201811260132A CN109282880B CN 109282880 B CN109282880 B CN 109282880B CN 201811260132 A CN201811260132 A CN 201811260132A CN 109282880 B CN109282880 B CN 109282880B
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- frame
- weighing
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- plate body
- shaft hole
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- 238000005303 weighing Methods 0.000 claims abstract description 113
- 238000006243 chemical reaction Methods 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 239000004973 liquid crystal related substance Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000005484 gravity Effects 0.000 description 13
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sorting Of Articles (AREA)
Abstract
The invention discloses a dynamic weighing machine which comprises a frame, a controller, a weighing platform, a connecting piece, a weighing sensor and an assembly body, wherein the weighing platform is arranged above the frame, a conveying mechanism is arranged on the surface of the weighing platform and is used for conveying products forwards, the weighing sensor is fixed at one end in the frame, the weighing sensor is electrically connected with the controller, the assembly body is arranged in the frame and is connected with the weighing sensor, one end of the connecting piece is connected with the weighing platform, the other end of the connecting piece is connected with a plate body, and the connecting piece is rotatably connected with the frame. The invention has simple structure and convenient operation, solves the problem that the weight of the product can be accurately measured only by adopting four weighing sensors for large-sized objects in the prior art, and reduces the manufacturing cost.
Description
Technical Field
The invention relates to the technical field of weighing, in particular to a dynamic weight detecting machine.
Background
The weighing machine, also called weighing scale, is an online high-speed dynamic weighing device, can weigh products at high speed and high precision, is integrated with various packaging production lines and conveying systems, is mainly used for online detecting whether the weights of the products are qualified, whether the components are absent in the packages or the weights of the products are archived, can be applied to the weighing machine in the industries of pharmacy, daily chemicals, foods, chemical industry, batteries, tires, household appliances and the like, and is particularly important in the industries with high requirements on the precision of the products. The check weighing machine in the prior art generally comprises a weighing platform, a conveying belt and weighing sensors, wherein the conveying belt and the weighing sensors are used for conveying products on the surface of the weighing platform, when the check weighing machine is used, the products continuously enter the weighing platform to be weighed one by one, the weight of the check weighing machine is displayed through a display device connected with the weighing sensors, workers distinguish qualified products from unqualified products through the display result of the display device, when some large-sized products are weighed, the check weighing machine needs to be used for a larger weighing platform, the number of the sensors needs to be increased, the position relation among the sensors needs to be adjusted for many times, the weight of the products can be accurately measured, the manufacturing cost is higher, meanwhile, the area of the weighing platform is limited by the weighing sensors, and the conditions of inaccurate weighing or difficult weighing can occur at certain positions of the weighing platform.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the dynamic weighing machine which is low in manufacturing cost, accurate in weighing and unlimited in weighing area.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a dynamic weighing machine, includes frame, controller, weighing platform, pressure conversion frame, weighing sensor and assembly, the top of frame is equipped with the weighing platform, be equipped with conveying mechanism on the surface of weighing platform, conveying mechanism is used for carrying the product forward, weighing sensor fixes the one end in the frame, weighing sensor and controller electric connection, the assembly sets up in the frame, the assembly is connected with weighing sensor, the one end and the weighing platform of pressure conversion frame are connected, the other end and the assembly of pressure conversion frame are connected, the pressure conversion frame is rotationally connected with the frame.
As the preferred scheme, the pressure conversion frame includes first connecting piece and second connecting piece, first connecting piece comprises Z shape by first plate body and second plate body integrated into one piece, the lower extreme and the assembly body coupling of first plate body, the upper end and the lower part of second connecting piece of second plate body are connected, the upper portion and the weighing platform of second connecting piece are connected, the length of first plate body and second plate body is unanimous.
As a preferable scheme, the upper part of the first plate body is provided with a pressure pivot shaft hole, the lower part of the second plate body is provided with a tension pivot shaft hole, the joint of the first plate body and the second plate body is provided with a center pivot shaft hole, and the center distances among the pressure pivot shaft hole, the tension pivot shaft hole and the center pivot shaft hole are the same.
As the preferred scheme, still include the connecting rod, the connecting rod includes head rod, second connecting rod and third connecting rod, the head rod is located directly over the second connecting rod, the third connecting rod is located the top of head rod and second connecting rod, the head rod passes center fulcrum shaft hole and is connected with the inner wall of frame, the second connecting rod passes pulling force fulcrum shaft hole and makes first plate body and assembly body connection, the third connecting rod passes pressure fulcrum shaft hole and makes second plate body and second connecting piece connection.
As the preferred scheme, conveying mechanism includes motor, initiative roller bearing and driven roller bearing set up respectively at the both ends of weighing platform, be equipped with the conveyer belt between initiative roller bearing and the driven roller bearing, the motor is fixed on the lateral wall of frame and is located the below of initiative roller bearing, the motor is connected with the one end of initiative roller bearing, motor and controller electric connection.
As a preferable scheme, a plurality of grooves are formed in the surface of the weighing platform, a roller shaft is arranged in each groove, and the roller shaft protrudes outwards to be in contact with the surface of the conveying belt.
As a preferred scheme, the assembly comprises a first frame and a second frame, wherein the second frame is arranged in the first frame, a connecting plate is arranged between the first frame and the second frame, one end of the connecting plate is connected with the first frame, the other end of the connecting plate is connected with the second frame, and the first frame is connected with the weighing sensor.
Preferably, the four corners of the second frame are provided with corner aluminum, and the corner aluminum is fixed on the second frame through bolts.
As a preferable scheme, the outer side face of the frame is provided with a liquid crystal display screen, and the liquid crystal display screen is electrically connected with the controller.
As an optimal scheme, a foot pad is arranged below the frame.
Compared with the prior art, the invention has the beneficial effects that: the product to be weighed can give a downward gravity to the weighing platform due to the weight of the product, the weighing platform enables the connecting piece connected with the weighing platform to swing backwards under the action of the gravity to produce a pull pulling assembly body identical to the gravity, the assembly body is connected with the weighing sensor, the weighing sensor detects the value of the produced pull, the weighing sensor conveys the value to the controller, the controller displays the value on the liquid crystal display screen, and accordingly the weighing of the product is completed.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic view of the dynamic weighing machine of the present invention.
Fig. 2 is a schematic illustration of the dynamic weighing machine of the present invention with the conveyor belt removed.
Fig. 3 is a schematic view of the internal structure of the dynamic weighing machine of the present invention.
Fig. 4 is a schematic illustration of the connection of a first frame and a second frame in the dynamic weighing machine of the present invention.
Fig. 5 is a schematic structural view of a first connecting member in the dynamic weighing machine of the present invention.
1-A frame; 2-a conveyor belt; 3-liquid crystal display; 4-foot pads; 5-an active roller; 6-weighing platform; 7-a drum shaft; 8-grooves; 9-a driven roller; 10-a belt; 11-small synchronizing wheels; 12-large synchronizing wheel; 13-an electric motor; 14-a second frame; 15-a first frame; 151-supporting plates; 152-long strips; 16-a first connector; 161-a first plate; 162-a second plate; 163—pressure fulcrum shaft hole; 164-center pivot shaft hole; 165-a tension fulcrum shaft hole; 17-a second connector; 18-a load cell; 19-a first connecting rod; 20-a second connecting rod; 21-a third connecting rod; 22-angle aluminum; 23-fish eye joint; 24-connecting plates.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
In the present invention, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or can be connected through intermediaries, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-5, a dynamic weighing machine comprises a frame 1, a controller, a connecting piece, a weighing sensor 18 and an assembly body, wherein a weighing platform 6 is arranged above the frame 1, a conveying mechanism is arranged on the surface of the weighing platform 6 and used for conveying products forwards, the weighing sensor 18 is fixed at one end of the inside of the frame 1, the weighing sensor 18 is electrically connected with the controller, one end of the connecting piece is connected with the weighing platform 6, the other end of the connecting piece is connected with the assembly body through a fish-eye joint 23, the connecting piece is movably connected with the frame 1, foot pads 4 are arranged at four corners of the lower end of the frame 1, a liquid crystal display 3 is arranged on the outer side surface of the frame 1, and the liquid crystal display 3 is electrically connected with the controller.
In this example, the weighing sensor 18 adopts one, the product to be weighed is placed on the conveying mechanism, the product is conveyed forward under the action of the conveying mechanism, at this moment, the product weighed on the conveying belt can give the weighing platform a downward gravity force due to the weight of the product, the weighing platform 6 swings backwards under the action of gravity force to generate a pull assembly body identical with the gravity force, the assembly body is connected with the weighing sensor 18, the weighing sensor 18 detects the value of the generated pull force, the weighing sensor 18 conveys the value to the controller, the controller displays the value on the liquid crystal display 3, thereby completing the weighing of the product, the weighing platform is simple in structure, the weighing platform is convenient to operate, the weight of the product can be accurately measured by using the lever principle, meanwhile, the problem that in the prior art, the weight of the product can be accurately measured by using four weighing sensors 18 is solved, the manufacturing cost of the product can be reduced, and the weighing platform 6 can be selected to be limited according to the manufacturing cost of the product is small, and the weighing platform 6 is not limited by the manufacturing cost is small.
Specifically, the connecting piece includes first connecting piece 16 and second connecting piece 17, first connecting piece 16 comprises first plate body 161 and second plate body 162, first plate body 161 and second plate body 162 integrated into one piece constitute the zigzag, the lower extreme of first plate body 161 is connected with the assembly body, the upper end of second plate body 162 is connected with the lower part of second connecting piece 17, be equipped with recess 8 on the inner wall of weighing platform 6, the upper portion of second connecting piece 17 stretches into in the recess 8 and is connected with weighing platform 6 through the bolt, the length of first plate body 161 is unanimous with the length of second plate body 162.
The weight of the measured product can give the weighing platform a downward gravity force, the weighing platform 6 is connected with the upper part of the second connecting piece 17, the lower part of the second connecting piece 17 is connected with the first connecting piece 16, so that the second plate 162 is acted by the downward gravity force, the first plate 161 swings backwards to generate a tensile force, the lengths of the first plate 161 and the second plate 162 are consistent, the tensile force is equal to the gravity force according to the lever principle, the assembly swings backwards under the action of the tensile force, the weighing sensor 18 detects the generated tensile force, and then the weight of the product is measured, the structure is simple, the manufacturing cost is low, and the product can be accurately measured; the second connecting piece 17 extends into the recess 8 and is connected to the weighing platform 6 in order to allow a product to act stably and accurately on the first connecting piece 16 when forces are generated by the symmetrical platform 6.
Specifically, a pressure pivot shaft hole 163 is provided in the upper portion of the first plate body 161, a tension pivot shaft hole 165 is provided in the lower portion of the second plate body 162, a center pivot shaft hole 164 is provided at the junction of the first plate body 161 and the second plate body 162, and the center distances among the pressure pivot shaft hole 163, the tension pivot shaft hole 165 and the center pivot shaft hole 164 are the same.
Specifically, the connecting rod is further included, the connecting rod comprises a first connecting rod 19, a second connecting rod 20 and a third connecting rod 21, the first connecting rod 19 is located right above the second connecting rod 20, the third connecting rod 21 is located above the first connecting rod 19 and the second connecting rod 20, the first connecting rod 19 is connected with a connecting flange fixed on the frame 1 through a central pivot shaft hole 164, the second connecting rod 20 passes through a tension pivot shaft hole to enable the first plate 161 to be connected with an assembly, and the third connecting rod passes through a pressure pivot shaft hole to enable the first plate to be connected with a second connecting piece.
The pressure fulcrum shaft hole, the center fulcrum shaft hole and the tension fulcrum shaft hole are distributed in a V shape, and the first connecting rod, the second connecting rod and the third connecting rod respectively penetrate through the pressure fulcrum shaft hole, the center fulcrum shaft hole and the tension fulcrum shaft hole, so that when the downward gravity of the weighing platform is acted on the first plate body, the second plate body receives a backward tension, and the center distances among the pressure fulcrum shaft hole, the center fulcrum shaft hole and the tension fulcrum are the same, so that the pressure received by the first plate body is the same as the tension received by the second plate body, and the weighing accuracy is ensured.
Specifically, conveying mechanism includes motor 13, initiative roller bearing 5 and driven roller bearing 9 set up respectively at the both ends of weighing platform 6, are equipped with conveyer belt 2 between initiative roller bearing 5 and the driven roller bearing 9, and motor 13 is fixed on the lateral wall of frame 1 and is located the below of initiative roller bearing 5, and the one end of initiative roller bearing 5 is connected with big synchronizing wheel 12, and the output of motor 13 is connected with little synchronizing wheel 11, and big synchronizing wheel 12 passes through belt 10 with little synchronizing wheel 11 to be connected, motor 13 and controller electric connection.
Specifically, a plurality of grooves 8 are formed in the surface of the weighing platform 6, and a roller shaft 7 is arranged in each groove 8, wherein the diameter of the roller shaft 7 is larger than the depth of the groove 8, so that the roller shaft 7 protrudes from the upper side and the lower side of the groove 8 to be in contact with the surface of the conveying belt 2.
When the motor 13 drives the conveyer belt 2 to rotate, the roller shaft 7 on the surface of the weighing platform 6 is in contact with the conveyer belt 2, so that the roller shaft 7 rotates along with the conveyer belt 2, the conveyer belt 2 is more stable in operation, the measurement of products is more accurate, and the influence of additional force can be avoided.
Specifically, the assembly includes first frame 15 and second frame 14, second frame 14 sets up in first frame 15, be equipped with connecting plate 24 between first frame 15 and the second frame 14, connecting plate 24's one end is connected with first frame 15, connecting plate 24's the other end is connected with second frame 14, first frame 15 comprises long slat 152 and symmetrically set up extension board 151, the both ends of long slat 152 and the tip fixed connection of two extension board 151, all be equipped with the through-hole on the both ends of two extension board 151, second connecting rod 20 passes the through-hole and is connected with the lower part of first plate 161 for first frame 15 can swing back and forth, the middle part of long slat 152 is connected with weighing sensor 18 through fish-eye joint 23.
When the product to be measured generates a downward gravity force to act on the weighing platform 6 due to the gravity force of the product to be measured, so that the connecting piece connected with the weighing platform 6 generates a pull force which swings backwards and is the same as the gravity force, the first frame 15 swings backwards under the action of the pull force, the weighing sensor 18 connected with the first frame 15 detects the value of the pull force at the moment, the weight of the product is obtained, the second frame 14 is connected in the first frame 15 to strengthen the strength of the first frame 15, and the damage of the first frame 15 is prevented because the weight of the product is large.
Specifically, corner aluminum 22 is provided at each of four corners of the second frame 14, the corner aluminum 22 is fastened to the second frame 14 by bolts, and the corner aluminum 22 can effectively strengthen the second frame 14. By arranging the adjustable angle aluminum at the four corners of the second frame, the four sides of the second frame are ensured to be kept horizontal at all times, and the phenomenon that the second frame is inclined is avoided, so that inaccurate weighing data is caused.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. A dynamic weighing machine, characterized in that: the automatic weighing machine comprises a frame, a controller, a weighing platform, a pressure conversion frame, a weighing sensor and an assembly body, wherein the weighing platform is arranged above the frame, a conveying mechanism is arranged on the surface of the weighing platform and used for conveying products forwards, the weighing sensor is fixed at one end in the frame and is electrically connected with the controller, the assembly body is arranged in the frame and is connected with the weighing sensor, one end of the pressure conversion frame is connected with the weighing platform, the other end of the pressure conversion frame is connected with the assembly body, and the pressure conversion frame is rotatably connected with the frame;
The pressure conversion frame comprises a first connecting piece and a second connecting piece, the first connecting piece is formed by integrally forming a first plate body and a second plate body into a Z shape, the lower end of the first plate body is connected with the assembly body, the upper end of the second plate body is connected with the lower part of the second connecting piece, the upper part of the second connecting piece is connected with the weighing platform, and the lengths of the first plate body and the second plate body are consistent;
The upper part of the first plate body is provided with a pressure pivot shaft hole, the lower part of the second plate body is provided with a tension pivot shaft hole, the joint of the first plate body and the second plate body is provided with a center pivot shaft hole, and the center distances among the pressure pivot shaft hole, the tension pivot shaft hole and the center pivot shaft hole are the same;
the connecting rod comprises a first connecting rod, a second connecting rod and a third connecting rod, wherein the first connecting rod is positioned right above the second connecting rod, the third connecting rod is positioned above the first connecting rod and the second connecting rod, the first connecting rod passes through a central pivot shaft hole to be connected with the inner wall of the frame, the second connecting rod passes through a tension pivot shaft hole to enable the first plate body to be connected with the assembly body, and the third connecting rod passes through a pressure pivot shaft hole to enable the second plate body to be connected with the second connecting piece;
The assembly comprises a first frame and a second frame, wherein the second frame is arranged in the first frame, a connecting plate is arranged between the first frame and the second frame, one end of the connecting plate is connected with the first frame, the other end of the connecting plate is connected with the second frame, and the first frame is connected with a weighing sensor.
2. The dynamic weighing machine of claim 1, wherein: the conveying mechanism comprises a motor, a driving roller and a driven roller, the driving roller and the driven roller are respectively arranged at two ends of the weighing platform, a conveying belt is arranged between the driving roller and the driven roller, the motor is fixed on the outer side wall of the frame and located below the driving roller, the motor is connected with one end of the driving roller, and the motor is electrically connected with the controller.
3. The dynamic weighing machine of claim 1, wherein: the surface of the weighing platform is provided with a plurality of grooves, a roller shaft is arranged in each groove, and the roller shaft protrudes outwards to be in contact with the surface of the conveying belt.
4. The dynamic weighing machine of claim 1, wherein: the four corners of the second frame are provided with corner aluminum, and the corner aluminum is fixed on the second frame through bolts.
5. The dynamic weighing machine of claim 1, wherein: the outer side face of the frame is provided with a liquid crystal display screen, and the liquid crystal display screen is electrically connected with the controller.
6. The dynamic weighing machine of claim 1, wherein: a foot pad is arranged below the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811260132.2A CN109282880B (en) | 2018-10-26 | 2018-10-26 | Dynamic weight checking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811260132.2A CN109282880B (en) | 2018-10-26 | 2018-10-26 | Dynamic weight checking machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109282880A CN109282880A (en) | 2019-01-29 |
| CN109282880B true CN109282880B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811260132.2A Active CN109282880B (en) | 2018-10-26 | 2018-10-26 | Dynamic weight checking machine |
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| CN (1) | CN109282880B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101341380A (en) * | 2005-02-21 | 2009-01-07 | 梅特勒-托利多·加文斯有限责任公司 | Method and device for weighing products |
| CN103017872A (en) * | 2012-12-04 | 2013-04-03 | 重庆市渝溪产业（集团）有限公司 | Dynamic metering device |
| CN202956176U (en) * | 2012-12-14 | 2013-05-29 | 广东海川智能机器股份有限公司 | Loss-in-weight and weighing device for same |
| CN203929205U (en) * | 2014-07-07 | 2014-11-05 | 严实 | A kind of lever weighing structure |
| CN206804122U (en) * | 2017-05-19 | 2017-12-26 | 上海伊斯曼电气股份有限公司 | A kind of weigher weighed for dynamic high speed |
| CN209459744U (en) * | 2018-10-26 | 2019-10-01 | 广州鑫中航机电设备有限公司 | A kind of dynamic weight detecting machine |
-
2018
- 2018-10-26 CN CN201811260132.2A patent/CN109282880B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101341380A (en) * | 2005-02-21 | 2009-01-07 | 梅特勒-托利多·加文斯有限责任公司 | Method and device for weighing products |
| CN103017872A (en) * | 2012-12-04 | 2013-04-03 | 重庆市渝溪产业（集团）有限公司 | Dynamic metering device |
| CN202956176U (en) * | 2012-12-14 | 2013-05-29 | 广东海川智能机器股份有限公司 | Loss-in-weight and weighing device for same |
| CN203929205U (en) * | 2014-07-07 | 2014-11-05 | 严实 | A kind of lever weighing structure |
| CN206804122U (en) * | 2017-05-19 | 2017-12-26 | 上海伊斯曼电气股份有限公司 | A kind of weigher weighed for dynamic high speed |
| CN209459744U (en) * | 2018-10-26 | 2019-10-01 | 广州鑫中航机电设备有限公司 | A kind of dynamic weight detecting machine |
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| CN109282880A (en) | 2019-01-29 |
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