CN210774318U - Weighing sensor assembly and dynamic automatic checkweigher comprising same - Google Patents
Weighing sensor assembly and dynamic automatic checkweigher comprising same Download PDFInfo
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- CN210774318U CN210774318U CN201921650971.5U CN201921650971U CN210774318U CN 210774318 U CN210774318 U CN 210774318U CN 201921650971 U CN201921650971 U CN 201921650971U CN 210774318 U CN210774318 U CN 210774318U
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Abstract
The utility model provides a weighing sensor assembly and a dynamic automatic checkweigher comprising the same, wherein the weighing sensor assembly comprises a sensor upper supporting plate, a separated type housing, a weighing sensor, a sensor lower supporting plate and a motor cable, the upper end part of the separated type housing is fixedly connected with the sensor upper supporting plate, the lower end part of the separated type housing is fixedly connected with the sensor lower supporting plate, and the weighing sensor is fixed in the separated type housing; the upper part of one end of the weighing sensor is connected with the upper sensor supporting plate, and the lower part of the other end of the weighing sensor is connected with the lower sensor supporting plate; the motor cable penetrates through the upper part of the separated housing, the lower part of the motor cable penetrates out of the separated housing, the motor cable part positioned in the separated housing is a separated cable, and a gap is always reserved between the separated cable and the weighing sensor and is separated from the separated cable. The utility model discloses the title reduces the interference of environmental factors such as external dust, air current to the sensor through embedded housing structural design, has promoted the protection level of sensor.
Description
Technical Field
The utility model relates to an electronic scale field, in particular to weighing sensor subassembly reaches automatic checkweigher of developments including it.
Background
In the prior art, the dynamic automatic checkweigher mainly comprises a table board component, a driving component, a sensor component, an electric cabinet, a table board supporting component and a rack, and the device is mainly used for detecting whether the weight of a product is qualified or not on a production line, namely whether the weight of the product is within a corresponding precision range or not, identifying the weight and judging an unqualified product through a system, and processing the unqualified product.
The prior dynamic automatic checkweigher with the structure has the following defects:
firstly, the strain gauge sensor is limited by the structure, and stress interference generated by the internal stress of a motor cable to the sensor cannot be solved;
secondly, the strain gauge sensor is usually externally arranged, dust or other tiny impurities are easy to adhere to the strain gauge sensor, interference is generated on the weighing of the strain gauge sensor after a long time, and even normal weighing and weight calibration cannot be performed;
third, the motor cable is usually fixed through a certain position, the assembly process cannot be cured, and the assembly method also affects the cable.
In view of the above, those skilled in the art will improve the structure of the strain gauge sensor in order to overcome the above technical problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a weighing sensor subassembly and including its dynamic automatic checkweigher in order to overcome among the prior art the unable stress interference of solving stress to the sensor production of dynamic automatic checkweigher, easy adhesion dust or other small impurity, and defects such as unable solidification assembly process.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
a weighing sensor assembly is characterized by comprising a sensor upper supporting plate, a separated type housing, a weighing sensor, a sensor lower supporting plate and a motor cable, wherein the upper end part of the separated type housing is fixedly connected with the sensor upper supporting plate, the lower end part of the separated type housing is fixedly connected with the sensor lower supporting plate, and the weighing sensor is fixed in the separated type housing;
the upper part of one end of the weighing sensor is connected with the sensor upper supporting plate, and the lower part of the other end of the weighing sensor is connected with the sensor lower supporting plate;
the motor cable penetrates through the upper part of the separated housing, the lower part of the motor cable penetrates out of the separated housing, the motor cable part positioned in the separated housing is a separated cable, and a gap is reserved between the separated cable and the weighing sensor and is separated from the separated cable.
According to the utility model discloses an embodiment, disconnect-type housing includes upper portion disconnect-type housing and lower part disconnect-type housing, upper portion disconnect-type housing with backup pad fixed connection on the sensor, lower part disconnect-type housing with sensor bottom suspension fagging fixed connection, upper portion disconnect-type housing with lower part disconnect-type housing is butt joint from top to bottom and is formed closed cavity structure.
According to an embodiment of the present invention, a mounting groove is formed on the upper end surface of the upper separation-type housing, and the mounting groove is located right above the weighing sensor;
the upper portion of weighing sensor one end is provided with first sensor gasket, first sensor gasket with backup pad is connected on the sensor.
According to the utility model discloses an embodiment, lower part disconnect-type housing encloses to be established on the lateral surface of sensor bottom suspension fagging, the lower part of the weighing sensor other end is provided with the second sensor gasket, the second sensor gasket with sensor bottom suspension fagging is connected.
According to the utility model discloses an embodiment, upper portion disconnect-type housing encloses by up end, first group front and back surface and first side and establishes to be open-type shell structure, lower part disconnect-type housing encloses by top surface, second group front and back surface and second side and establishes to be open-type shell structure, upper portion disconnect-type housing with lower part disconnect-type housing upper and lower lock is connected.
According to an embodiment of the present invention, the second set of front and rear surfaces of the lower split housing are trapezoidal surfaces, and the top surface is connected between the second set of front and rear surfaces;
the joints of the front surface and the back surface of the second group and the top surface are respectively provided with a clamping groove;
the width of the upper separated type housing is larger than or equal to that of the lower separated type housing, the upper separated type housing is buckled outside the lower separated type housing, and the upper end face of the upper separated type housing is clamped in the corresponding clamping groove.
According to an embodiment of the present invention, a first cable clamping device is disposed on the upper portion of the upper split type housing, a second cable clamping device is disposed on the lower portion of the lower split type housing, and the motor cable is threaded through the first cable clamping device and threaded out of the second cable clamping device;
the initial section of the motor cable is positioned outside the first cable clamping device, and the final section of the motor cable is positioned outside the second cable clamping device.
According to the utility model discloses an embodiment, still be provided with third cable clamping device on the disconnect-type housing of lower part, weighing sensor's sensor cable by third cable clamping device wears out.
According to the utility model discloses an embodiment, the upper portion of the internal face of disconnect-type housing is provided with at least one setting element, the disconnect-type cable passes through the setting element is fixed in the disconnect-type housing.
The utility model also provides a dynamic automatic checkweigher, its characteristics lie in, dynamic automatic checkweigher includes as above weighing sensor subassembly.
The utility model discloses an actively advance the effect and lie in:
the utility model discloses weighing sensor subassembly reaches automatic checkweigher of developments including it has adopted a new sensor housing structure, through embedded housing structural design, reduces the interference of environmental factors such as external dust, air current to the sensor, has promoted the protection level of sensor. And meanwhile, the sensor component is easier to maintain.
The adoption of a separated housing connection mode isolates the internal stress of the motor cable and the interference of the external stress on the tail cable, and reduces the internal stress of the motor cable and the interference of the external cable on the detection of the symmetrical weight, thereby greatly improving the static weighing performance of the sensor and the stability of the dynamic weighing precision.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings, in which like reference numerals refer to like features throughout, and in which:
fig. 1 is an exploded view of the weighing sensor assembly of the present invention.
Fig. 2 is an exploded schematic view of the weighing sensor assembly of the present invention.
Fig. 3 is an exploded front view of the load cell assembly of the present invention.
Fig. 4 is an exploded side view of the load cell assembly of the present invention.
Fig. 5 is a schematic structural view of the upper separated cover in the weighing sensor assembly of the present invention.
Fig. 6 is a schematic structural view of the lower-middle separating cover of the weighing sensor assembly of the present invention.
Fig. 7 is an exploded top view of the load cell assembly of the present invention.
Fig. 8 is a front view of the weighing sensor assembly of the present invention after the assembly.
Fig. 9 is a schematic structural view of the dynamic automatic checkweigher of the present invention.
Fig. 10 is a schematic view of the installation of the weighing sensor in the dynamic automatic checkweigher of the present invention.
[ reference numerals ]
Sensor upper support plate 10
Load cell 20
Sensor lower support plate 30
First front surface 53
First rear surface 54
Second rear surface 63
Initial section motor cable 42
Weighing table assembly 200
Input table support beam 110
Output mesa support beam 310
Conveying table top support assembly 800
Weighing sensor assembly 900
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.
Further, although the terms used in the present invention are selected from publicly known and used terms, some of the terms mentioned in the description of the present invention may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein.
Furthermore, it is required that the present invention is understood, not simply by the actual terms used but by the meaning of each term lying within.
Fig. 1 is an exploded view of the weighing sensor assembly of the present invention. Fig. 2 is an exploded schematic view of the weighing sensor assembly of the present invention. Fig. 3 is an exploded front view of the load cell assembly of the present invention. Fig. 4 is an exploded side view of the load cell assembly of the present invention. Fig. 5 is a schematic structural view of the upper separated cover in the weighing sensor assembly of the present invention. Fig. 6 is a schematic structural view of the lower-middle separating cover of the weighing sensor assembly of the present invention. Fig. 7 is an exploded top view of the load cell assembly of the present invention.
As shown in fig. 1 to 7, the utility model discloses a weighing sensor assembly, it includes support plate 10 on the sensor, disconnect-type housing, weighing sensor 20, sensor bottom suspension board 30 and motor cable 40. The upper end of the separated housing is fixedly connected with the upper sensor supporting plate 10, the lower end of the separated housing is fixedly connected with the lower sensor supporting plate 30, and the weighing sensor 20 is fixed in the separated housing. The upper portion of one end of the weighing cell 20 is connected to the upper sensor support plate 10, and the lower portion of the other end is connected to the lower sensor support plate 30. The motor cable 40 penetrates through the upper part of the separated type housing, the lower part of the motor cable 40 penetrates out of the separated type housing, the motor cable 40 part positioned in the separated type housing is a separated type cable 41, and a gap is always reserved between the separated type cable 41 and the weighing sensor 20 and is separated from the separated type cable.
Of course, in order to further ensure that the separate cable 41 is not in contact with the load cell 20 all the time to avoid interference, it is preferable that at least one positioning member is provided on an upper portion of an inner wall surface of the separate housing, and the separate cable 41 is fixed in the separate housing by the positioning member (not shown). The separated cable 41 is formed by stripping the motor cable 40 and is loosely arranged in the separated casing, so that the interference between the cables can be reduced, the separated cable 41 is completely sealed in the separated casing and is separated from the weighing sensor 20, and the influence and the pressure of the weighing sensor 20 can not be caused.
Preferably, the split case in this embodiment includes an upper split case 50 and a lower split case 60, the upper split case 50 is fixedly connected to the sensor upper support plate 10, the lower split case 60 is fixedly connected to the sensor lower support plate 30, and the upper split case 50 and the lower split case 60 are butted up and down to form a closed cavity structure.
Further, an installation groove 51 is formed in the upper end surface of the upper separable cover 50, and the installation groove 51 is located right above the load cell 20. The upper portion of one end of the weighing sensor 20 is provided with a first sensor gasket 21, and the first sensor gasket 21 is connected with the sensor upper support plate 10. The lower separation type cover 60 is enclosed on the outer side surface of the sensor lower support plate 30, the second sensor gasket 22 is arranged on the lower portion of the other end of the weighing sensor 20, and the second sensor gasket 22 is connected with the sensor lower support plate 30.
In particular, in the present embodiment, the upper separated cover 50 is preferably enclosed by the upper end surface 52, a first set of front and rear surfaces (including the first front surface 53 and the first rear surface 54) and the first side surface 55 to form an open shell structure, the lower separated cover 60 is enclosed by the top surface 61, a second set of front and rear surfaces (including the second front surface 62 and the second rear surface 63) and the second side surface 64 to form an open shell structure, and the upper separated cover 50 is connected to the lower separated cover 60 in an up-and-down buckling manner.
Here, the second set of front and rear surfaces (including the second front surface 62 and the second rear surface 63) of the lower split case 60 is preferably a trapezoidal surface, and the top surface 61 is connected between the second set of front and rear surfaces (including the second front surface 62 and the second rear surface 63). The junction of the second set of front and rear surfaces (including the second front surface 62 and the second rear surface 63) and the top surface 61 is provided with a slot 65.
In order to make the upper and lower two-part housings connected more firmly and stably, the width of the upper split housing 50 is preferably set to be greater than or equal to the width of the lower split housing 60, the upper split housing 50 is fastened to the outside of the lower split housing 60, and the upper end surface 52 of the upper split housing 50 is fastened in the corresponding fastening groove 65.
In addition, a first cable clamp 56 is provided on the upper portion of the upper separable cover 50, and a second cable clamp 66 is provided on the lower portion of the lower separable cover 60, so that the motor cable 40 is passed through the first cable clamp 56 and then passed out of the second cable clamp 66. The initial section of the motor cable 40 is located outside of the first cable clamp 56 and the final section of the motor cable 43 of the motor cable 40 is located outside of the second cable clamp 66. A third cable clamp 67 is also provided on the lower split cover 60, and the sensor cable 23 of the load cell 20 is passed out of the third cable clamp 67.
According to the above structural description, the present invention of the load cell assembly adopts the form of the split type cover, for example, the upper split type cover 50 is fixed below the sensor upper support plate 10, and the internal stress balance weight sensor 20 of the initial section motor cable 42 between the motor 70 and the upper split type cover 50 is ensured not to generate any interference by placing the motor 70, the initial section motor cable 42 and the upper split type cover 50 above the load cell 20.
Similarly, the lower separated housing 60 is fixed on the sensor lower support plate 30 and does not contact the weighing sensor 20, the inner separated cable 41 is separated and kept in a soft state all the time through the inner cable, the two ends of the separated cable 41 are fixed through the first cable clamping device 56 and the second cable clamping device 66, it is ensured that the tail end motor cable 43 cannot interfere with the inner separated cable 41 of the housing, and further the initial section motor cable 42 cannot interfere, and finally the accuracy and stability of the weighing precision of the weighing sensor are ensured.
Fig. 8 is a front view of the weighing sensor assembly of the present invention after the assembly.
As shown in fig. 8, since any external weighing sensor may generate deformation or pressure, or the air current interference will affect the weighing result of the weighing sensor, the utility model discloses the weighing sensor assembly fixes lower separated cover 60 on sensor bottom plate 30 through the embedded structural design of separated cover, so that lower separated cover 60 is not in contact with upper separated cover 50, nor in stress contact with weighing sensor 20, so that the external weighing sensor can be prevented from being interfered by external dust, particles or wind.
The setting of disconnect-type housing is when the protection sensor, also places outside dust and particulate matter outside the housing, has improved weighing sensor's long-time weighing stability, the reliability of sensor demarcation and the convenience of daily clean maintenance.
Fig. 9 is a schematic structural view of the dynamic automatic checkweigher of the present invention. Fig. 10 is a schematic view of the installation of the weighing sensor in the dynamic automatic checkweigher of the present invention.
As shown in fig. 9 and 10, the present invention also provides a dynamic automatic checkweigher, which is characterized in that the dynamic automatic checkweigher comprises the above-mentioned weighing sensor assembly.
Specifically speaking, the utility model discloses automatic checkweigher of developments mainly includes following part: input table assembly 100, weighing table assembly 200, output table assembly 300, load cell assembly 900, input table support beam 110, output table support beam 310, rack assembly 400, support feet 500, electrical cabinet 600, opto-electronic assembly 700, and transport table support assembly 800. The load cell assembly 900 herein employs the inventive load cell assembly as described above.
Wherein, the table top assembly (input table top assembly 100, output table top assembly 300) comprises moving parts such as a roller, a motor, a belt, a synchronous belt and other fixed parts, and is mainly responsible for the smooth conveying and transition of products. The table top supporting piece mainly supports the table top component and ensures the stable structure of the table top component.
The load cell assembly is a load cell assembly as described above, which is fixed to the frame assembly 400, and the weighing deck assembly 200 is fixed and mounted on the load cell assembly, and is mainly responsible for detecting the weight of the product in the dynamic conveying state. The input table support beam 110 and the output table support beam 310 are fixed to the two ends of the frame and are used to support the input and output table and to support the adjustment assembly.
The frame assembly 400 is used to support the table top assembly, the sensor assembly and other assemblies, and to ensure the stable structure of the whole machine. The supporting feet 500 are used for fixing the frame and adjusting the height of the whole machine. The electric control box 600 is responsible for overall control and signal transmission. The optoelectronic package 700 is used to verify the product and to detect the product length. The conveyor table support assembly 800 is primarily used to fixedly support both side input and output tables while adjusting the position of the tables in the conveying direction and height direction.
Initial section motor cable 42 is connected to motor 70 among the weighing sensor, and terminal motor cable 43 is connected to electric cabinet 600, and sensor cable 23 is connected to electric cabinet 600, passes sensor signal to electric cabinet 600. The entire load cell is secured to the frame assembly 400, and the weigh platform assembly 200 is secured and mounted to the load cell to form the weigh portion of the dynamic automatic checkweigher.
According to the above description, the utility model discloses weighing sensor subassembly and including its dynamic automatic check weighing scale has following advantage:
firstly, a separated motor gap bridge structure is adopted, so that the weighing precision and the weighing stability are improved;
secondly, the interference (null shift) of a motor cable to the static performance of the sensor is reduced;
the protection performance of the sensor component is improved, and the interference of dust and particles to the sensor is reduced;
and the external housing type structure design is easy to clean and nurse, and the appearance problems of the sensor and the motor cable are improved.
To sum up, the utility model discloses weighing sensor subassembly and including its dynamic automatic checkweigher has adopted a new sensor housing structure, through embedded housing structural design, reduces the interference of environmental factors such as external dust, air current to the sensor, has promoted the protection level of sensor. And meanwhile, the sensor component is easier to maintain.
The adoption of a separated housing connection mode isolates the internal stress of the motor cable and the interference of the external stress on the tail cable, and reduces the internal stress of the motor cable and the interference of the external cable on the detection of the symmetrical weight, thereby greatly improving the static weighing performance of the sensor and the stability of the dynamic weighing precision.
Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are all within the scope of the invention.
Claims (10)
1. A weighing sensor assembly is characterized by comprising a sensor upper supporting plate, a separated type housing, a weighing sensor, a sensor lower supporting plate and a motor cable, wherein the upper end part of the separated type housing is fixedly connected with the sensor upper supporting plate, the lower end part of the separated type housing is fixedly connected with the sensor lower supporting plate, and the weighing sensor is fixed in the separated type housing;
the upper part of one end of the weighing sensor is connected with the sensor upper supporting plate, and the lower part of the other end of the weighing sensor is connected with the sensor lower supporting plate;
the motor cable penetrates through the upper part of the separated housing, the lower part of the motor cable penetrates out of the separated housing, the motor cable part positioned in the separated housing is a separated cable, and a gap is reserved between the separated cable and the weighing sensor and is separated from the separated cable.
2. The load cell assembly of claim 1, wherein the split housing comprises an upper split housing and a lower split housing, the upper split housing is fixedly connected to the upper sensor support plate, the lower split housing is fixedly connected to the lower sensor support plate, and the upper split housing and the lower split housing are butted together to form a closed cavity structure.
3. The load cell assembly of claim 2, wherein the upper split housing has a mounting slot defined in an upper end surface thereof, the mounting slot being positioned directly above the load cell;
the upper portion of weighing sensor one end is provided with first sensor gasket, first sensor gasket with backup pad is connected on the sensor.
4. The load cell assembly of claim 3, wherein the lower split cover is enclosed on an outer side surface of the sensor lower support plate, and a second sensor pad is provided on a lower portion of the other end of the load cell, the second sensor pad being connected to the sensor lower support plate.
5. The load cell assembly of claim 4, wherein the upper split cover is enclosed by the upper end surface, the first set of front and rear surfaces, and the first side surface in an open shell configuration, the lower split cover is enclosed by the top surface, the second set of front and rear surfaces, and the second side surface in an open shell configuration, and the upper split cover is snap-fit connected to the lower split cover.
6. The load cell assembly of claim 5, wherein said second set of front and rear surfaces of said lower split housing are trapezoidal shaped, said top surface being connected between said second set of front and rear surfaces;
the joints of the front surface and the back surface of the second group and the top surface are respectively provided with a clamping groove;
the width of the upper separated type housing is larger than or equal to that of the lower separated type housing, the upper separated type housing is buckled outside the lower separated type housing, and the upper end face of the upper separated type housing is clamped in the corresponding clamping groove.
7. The load cell assembly of claim 2, wherein the upper portion of the upper split cover is provided with a first cable clamp and the lower portion of the lower split cover is provided with a second cable clamp, the motor cable being threaded by the first cable clamp and threaded out of the second cable clamp;
the initial section of the motor cable is positioned outside the first cable clamping device, and the final section of the motor cable is positioned outside the second cable clamping device.
8. The load cell assembly of claim 7, wherein a third cable clamp is provided on the lower split cover, the load cell sensor cable passing through the third cable clamp.
9. The load cell assembly of claim 1, wherein at least one positioning member is provided at an upper portion of an inner wall surface of the split case, and the split cable is fixed in the split case by the positioning member.
10. A dynamic automatic checkweigher comprising a load cell assembly according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921650971.5U CN210774318U (en) | 2019-09-30 | 2019-09-30 | Weighing sensor assembly and dynamic automatic checkweigher comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921650971.5U CN210774318U (en) | 2019-09-30 | 2019-09-30 | Weighing sensor assembly and dynamic automatic checkweigher comprising same |
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| Publication Number | Publication Date |
|---|---|
| CN210774318U true CN210774318U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921650971.5U Active CN210774318U (en) | 2019-09-30 | 2019-09-30 | Weighing sensor assembly and dynamic automatic checkweigher comprising same |
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| Country | Link |
|---|---|
| CN (1) | CN210774318U (en) |
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