阅读说明：本技术 一种用于称重单元的智能集群系统 (Intelligent cluster system for weighing unit ) 是由 包启波 李鑫 陈超 何亚萍 于 2021-07-03 设计创作，主要内容包括：本发明公开了一种用于称重单元的智能集群系统,包括悬臂应变传感器、托盘组件和底盘组件,所述悬臂应变传感器两侧至少各设有两个链接螺纹孔,用于联接、紧固与其自身安装的所述托盘组件与所述底盘组件,所述托盘组件包括托盘和横向加强筋,所述托盘上设有第一连接孔,所述第一连接孔通过第一螺钉联接于所述横向加强筋内,所述横向加强筋上设置有与所述悬臂应变传感器连接的多个通孔,所述通孔与载物台上的第一固定孔相对应,所述托盘通过螺钉贯穿,且同时贯穿所述第一固定孔设置于所述第一加强筋内；所述底盘组件与所述托盘组件结构相同；利用称重集群系统实现称重单元的规模应用,在完全满足作用时,有效降低成本,具有良好的市场应用价值。(The invention discloses an intelligent cluster system for a weighing unit, which comprises a cantilever strain sensor, a tray assembly and a chassis assembly, wherein two sides of the cantilever strain sensor are respectively provided with at least two connecting threaded holes for connecting and fastening the tray assembly and the chassis assembly which are installed with the cantilever strain sensor, the tray assembly comprises a tray and a transverse reinforcing rib, the tray is provided with a first connecting hole, the first connecting hole is connected into the transverse reinforcing rib through a first screw, the transverse reinforcing rib is provided with a plurality of through holes connected with the cantilever strain sensor, the through holes correspond to first fixing holes on an object stage, and the tray penetrates through the first fixing holes and is arranged in the first reinforcing rib; the chassis assembly and the tray assembly have the same structure; the weighing cluster system is utilized to realize the scale application of the weighing unit, so that the cost is effectively reduced when the function is completely met, and the weighing cluster system has good market application value.)

1. An intelligent cluster system for a weighing unit comprises a cantilever strain sensor, a tray assembly and a chassis assembly, and is characterized in that two sides of the cantilever strain sensor are respectively provided with at least two connecting threaded holes for connecting and fastening the tray assembly and the chassis assembly which are installed with the cantilever strain sensor, the tray assembly comprises a tray and a transverse reinforcing rib, the tray is provided with a first connecting hole, the first connecting hole is connected into the transverse reinforcing rib through a first screw, the transverse reinforcing rib is provided with a plurality of through holes connected with the cantilever strain sensor, the through holes correspond to first fixing holes on an object stage, and the tray penetrates through the first fixing holes and is arranged in the first reinforcing rib; the chassis component and the tray component have the same structure.

2. The intelligent cluster system for the weighing units as claimed in claim 1, wherein the tray is provided with at least one group of expanding hole sets, and the expanding hole sets comprise expanding through holes and threaded through holes and are used for externally connecting an auxiliary tray assembly with the weighing units for weighing; the tray is provided with at least one group of expansion hole sets for fixing or positioning the weighing unit in the external device; and at least one group of cable through holes are formed in the tray and used for cable routing of the cantilever strain sensor.

3. The intelligent cluster system for weighing cells as in claim 2, wherein the cable through holes are arranged in a direction parallel to the arrangement direction of the cantilever strain sensors and are arranged on one side of the transverse reinforcing rib, the cable through holes are open slots, and the outer edges of the open slots are provided with chamfers, wherein the chamfers are used for preventing damage and guiding cables to be squeezed into the open slots.

4. The intelligent cluster system for weighing units as claimed in claim 3, wherein the bottom of the tray assembly is provided with a longitudinal reinforcing rib, the bottom of the tray assembly is welded with a transverse reinforcing rib and a plurality of longitudinal reinforcing ribs respectively, and two ends of the transverse reinforcing rib are perpendicular to the plurality of longitudinal reinforcing ribs respectively.

5. The intelligent cluster system for weighing units of claim 4, wherein the first connecting holes on the tray are provided in plurality, the aperture of the plurality of first connecting holes is larger than that of the transverse reinforcing rib through holes, and the coaxiality error of the first connecting holes and the transverse reinforcing ribs is 0.005 times.

6. The intelligent cluster system for weighing units as recited in claim 5, wherein the weighing units are provided with a limiting assembly, the limiting assembly comprises a limiting plate and a guiding limiting part, the limiting plate is provided with a hole set for penetrating a fastener, and the limiting assembly is positioned and fastened on the tray assembly through the fastener; the limiting plate is arranged to be right-angled, the hole set comprises a limiting hole and a fastening hole, the limiting hole and the fastening hole are both arranged to be countersunk holes, the guide limiting part is arranged to be a press riveting guide pin, the guide limiting part is arranged in the limiting hole through the press riveting guide pin, and the limiting plate sequentially penetrates through the fastening hole and the limiting assembly through countersunk screws and is arranged in the tray.

7. The intelligent cluster system for weighing units as recited in claim 6, wherein the weighing unit is provided with at least two limiting assemblies, and the limiting assemblies are arranged in the expansion hole set and used for adjusting the fixing positions of the limiting assemblies.

8. The intelligent cluster system for weighing cells of claim 7, wherein the tray assembly is provided with a cable tie bridge for fixing a cable, the tray, the transverse reinforcing ribs and the longitudinal reinforcing ribs are welded with the cable tie bridge, one side of the cable through hole is welded with the cable tie bridge, and the cable tie bridge is arranged between the cantilever strain sensor and the cable through hole.

9. The intelligent cluster system for weighing cells of claim 8, wherein the cantilever strain sensor, the tray assembly and the chassis assembly are fixed by screws, the screws sequentially penetrate through the first connecting holes, and the transverse reinforcing ribs are arranged in the cantilever strain sensor, and the height of the transverse reinforcing ribs is parallel to that of the tops of the screws; the diameters of the first fixing hole and the first connecting hole correspond to the diameter of the screw rod, the tolerance range of the diameter of the first fixing hole and the diameter of the screw rod is 0.1-0.3mm, and the tolerance range of the diameter of the first connecting hole and the diameter of the screw head is 0.3-0.8 mm.

10. The intelligent cluster system for the weighing units according to claim 9, comprising a host, a lower computer, an acquisition module and a plurality of weighing units, wherein cables led out from cantilever sensors in the weighing units are connected to the acquisition module in a centralized manner to form the weighing unit cluster, the weighing unit clusters are connected to the lower computer, the host sends a command to the lower computer, the lower computer samples and reads data of specific weighing units in the weighing unit cluster through the acquisition module and then returns to the host, and the host processes the data and uploads the data to a cloud server.

Technical Field

The technical field relates to the field of weighing tests, in particular to an intelligent cluster system for weighing units.

Background

With the popularization of the industrial internet in the manufacturing industry, the intelligent and unmanned management of materials becomes a powerful means for cost reduction and efficiency improvement of factories. In recent years, the intelligent management of fasteners is increasingly complained by factories, and a plurality of fastener management terminal systems, storage systems and supply chain systems are promoted;

for fastener management, various material receiving mechanisms are further distinguished according to a replenishment period and a settlement type, wherein the system for measuring the material receiving quantity by weighing sensing has obvious advantages in the settlement accuracy, and further is popularized and applied to intelligent factories and intelligent stores. The weighing unit is used as a key unit of the weighing sensing material management system, and a sensor of a cantilever type strain mechanism is utilized, so that the weighing unit has the advantages of large measuring range, high precision, low cost and the like, but when the weighing unit is matched with an objective table and a chassis of a standard sensor of the sensor, a heightening structure is usually required to be added on the objective table and the chassis to avoid the risk of interference with a cantilever sensing structure. In addition, the relative rotation freedom degree exists after the cantilever sensor is fixed on the object stage and the chassis, and the risk of structural interference exists in some occasions. In addition, in the prior art, the object stage lacks flexible limit on materials, particularly material boxes, and the interference risk of the materials interfering with the weighing units where the object stage is located or other weighing units is increased;

in the existing weighing unit cluster, each weighing unit is used as a completely independent module, calibration data and weighing data of each weighing unit are stored in the independent module, and after receiving an acquisition command, the weighing unit detects the weight state and returns a weight value. When a plurality of such weighing cells are individually clustered to a lower computer, the manufacturing cost is significantly increased due to the individual collection modules of the weighing cells. Under an ideal state, the limited acquisition modules can store and control the data of the weighing units in the cluster to the maximum extent.

The prior art has defects and needs to be improved.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides an intelligent cluster system for weighing units.

The invention provides a technical document, in particular to an intelligent cluster system for a weighing unit, which comprises a cantilever strain sensor, a tray assembly and a chassis assembly, wherein two sides of the cantilever strain sensor are respectively provided with at least two connecting threaded holes for connecting and fastening the tray assembly and the chassis assembly which are installed with the cantilever strain sensor, the tray assembly comprises a tray and a transverse reinforcing rib, the tray is provided with a first connecting hole, the first connecting hole is connected into the transverse reinforcing rib through a first screw, the transverse reinforcing rib is provided with a plurality of through holes connected with the cantilever strain sensor, the through holes correspond to first fixing holes on an object stage, and the tray penetrates through the first fixing holes and is arranged in the first reinforcing rib; the chassis component and the tray component have the same structure.

Preferably, at least one group of expanding hole sets are arranged on the tray, and each expanding hole set comprises an expanding through hole and a threaded through hole and is used for weighing work of an external auxiliary tray assembly and a weighing unit; the tray is provided with at least one group of expansion hole sets for fixing or positioning the weighing unit in the external device; and at least one group of cable through holes are formed in the tray and used for cable routing of the cantilever strain sensor.

Preferably, the cable through hole is arranged in a direction parallel to the arrangement direction of the cantilever strain sensor and arranged on one side of the transverse reinforcing rib, the cable through hole is an open slot hole, a chamfer is arranged on the outer edge of the open slot hole, and the chamfer is used for preventing damage and playing a role in guiding the cable to be extruded into the open slot hole.

Preferably, the bottom of the tray assembly is provided with a longitudinal reinforcing rib, the bottom of the tray assembly is respectively welded with a transverse reinforcing rib and a plurality of longitudinal reinforcing ribs, and two ends of the transverse reinforcing rib are respectively perpendicular to the plurality of longitudinal reinforcing ribs.

Preferably, the first connecting holes on the tray are multiple, the apertures of the multiple first connecting holes are larger than the apertures of the transverse reinforcing rib through holes, and the coaxiality error between the first connecting holes and the transverse reinforcing ribs is 0.005 times.

Preferably, the weighing unit is provided with a limiting assembly, the limiting assembly comprises a limiting plate and a guiding limiting part, the limiting plate is provided with a hole set for penetrating through a fastener, and the limiting assembly is positioned and fastened on the tray assembly through the fastener; the limiting plate is arranged to be right-angled, the hole set comprises a limiting hole and a fastening hole, the limiting hole and the fastening hole are both arranged to be countersunk holes, the guide limiting part is arranged to be a press riveting guide pin, the guide limiting part is arranged in the limiting hole through the press riveting guide pin, and the limiting plate sequentially penetrates through the fastening hole and the limiting assembly through countersunk screws and is arranged in the tray.

Preferably, the weighing unit is provided with at least two limiting assemblies, and the limiting assemblies are arranged in the expansion hole set and used for adjusting the fixing positions of the limiting assemblies.

Preferably, a cable binding bridge is arranged on the tray assembly and used for fixing a cable, the cable binding bridges are welded on the tray, the transverse reinforcing ribs and the longitudinal reinforcing ribs, the cable binding bridge is welded on one side of the cable through hole, and the cable binding bridge is arranged between the cantilever strain sensor and the cable through hole.

Preferably, the cantilever strain sensor, the tray assembly and the chassis assembly are fixed through screws, the screws sequentially penetrate through the first connecting holes and the transverse reinforcing ribs and are arranged in the cantilever strain sensor, and the height of the transverse reinforcing ribs is parallel to that of the tops of the screws; the diameters of the first fixing hole and the first connecting hole correspond to the diameter of the screw rod, the tolerance range of the diameter of the first fixing hole and the diameter of the screw rod is 0.1-0.3mm, and the tolerance range of the diameter of the first connecting hole and the diameter of the screw head is 0.3-0.8 mm.

Preferably, including host computer, lower computer, collection module and a plurality of weighing unit, its characterized in that, the cable that cantilever sensor draws among the weighing unit is connected to the collection module in a concentrated way and is constituted weighing unit cluster, a plurality of weighing unit cluster are connected to the lower computer, the host computer is through issuing the order to the back of the lower computer, the lower computer returns the host computer after carrying out the sampling and reading through the data of the specific weighing unit in the collection module weighing unit cluster, and the host computer carries out data processing and uploads to cloud ware.

The beneficial effect corresponding to the prior art:

1. the reinforcing ribs increase the structural strength and rigidity, and simultaneously avoid the characteristic of extra gaskets;

2. the remaining space for fixing the tray and the sensor is filled without additional filler;

3. the tray assembly is completely consistent with the chassis assembly, and is fool-proof and mistake-proof;

4. the tray multi-purpose limiting metal plate allows the limitation of material boxes with various specifications, and eliminates the risk of weighing errors caused by material box interference;

5. limiting the tolerance of the fixing hole matched with the cantilever sensor effectively limits the limit swing angle of the tray assembly and the chassis assembly, and effectively reduces the structure interference wind direction;

6. the weighing cluster system is utilized to realize the scale application of the weighing unit, so that the cost is effectively reduced when the function is completely met, and the weighing cluster system has good market application value.

Drawings

FIG. 1 is a top plan view of a weighing cell of the present invention;

FIG. 2 is a cross-sectional view of a weighing cell A-A of the present invention;

FIG. 3 is a top view of the tray assembly of the present invention;

FIG. 4 is a top view of the tray of the present invention;

FIG. 5 is a top view of the stop assembly of the present invention;

FIG. 6 is an elevational view of the stop assembly of the present invention;

FIG. 7 is a front view of a socket head cap screw according to the present invention;

FIG. 8 is a weighing cell cluster system of the present invention.

The labels in the figure are: 1. the weighing system comprises a weighing unit, 2, a cantilever strain sensor, 21, a link threaded hole, 22, a sensor cable, 3, a tray assembly, 31, a tray, 311, a first connecting hole, 312, an expanding hole set, 312a, an expanding through hole, 312b, a threaded through hole, 313, an expanding hole set, 314, a cable through hole, 32, a transverse reinforcing rib, 321, a first fixing hole, 33, a longitudinal reinforcing rib, 34, a wire binding bridge, 4, a chassis assembly, 5, a limiting assembly, 51, a limiting plate, 511, a hole set, 52, a guide limiting part, 6, an inner hexagonal socket head screw, 61, a head, 62, a rod part, 101, a host, 102, a lower computer, 103, an acquisition module and 100, and a weighing unit cluster.

Detailed Description

The technical features mentioned above are combined with each other to form various embodiments which are not listed above, and all of them are regarded as the scope of the present invention described in the specification; also, modifications and variations may be suggested to those skilled in the art in light of the above teachings, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. 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 descriptive 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.

The present invention will be described in detail with reference to the accompanying drawings.

One embodiment as described in fig. 1-8: an intelligent cluster system for a weighing unit 1 comprises a cantilever strain sensor 2, a tray assembly 3 and a chassis assembly 4, wherein at least two link threaded holes 21 are respectively arranged on two sides of the cantilever strain sensor 2 and used for connecting and fastening the tray assembly 3 and the chassis assembly 4 which are installed on the cantilever strain sensor, the tray assembly 3 comprises a tray 31 and a transverse reinforcing rib 32, a first connecting hole 311 is arranged on the tray 31, the first connecting hole 311 is connected into the transverse reinforcing rib 32 through a first screw, a plurality of through holes connected with the cantilever strain sensor 2 are arranged on the transverse reinforcing rib 32 and correspond to a first fixing hole 321 on an object stage, the tray 31 penetrates through the first fixing hole 321 through a screw and is arranged in the first reinforcing rib through the first fixing hole 321; the chassis component 4 and the tray component 3 have the same structure; further, a weighing cell 1, comprising: the device comprises at least one cantilever strain sensor 2, at least one tray component 3 for placing materials, and at least one chassis component 4 for bearing the gravity from the cantilever strain sensor 2 and keeping the overall balance, wherein two sides of the cantilever strain sensor 2 are respectively provided with at least two connecting threaded holes for connecting and fastening the tray component 3 and the chassis component 4 which are installed on the cantilever strain sensor; the tray assembly 3 comprises a tray 31 and at least one transverse reinforcing rib 32, wherein the tray 31 is provided with at least one first connecting hole 311 allowing at least one screw to penetrate through, the transverse reinforcing rib 32 is provided with at least two through holes with the size relevant to the coupling threaded hole of the cantilever strain sensor 2, the through holes correspond to the first connecting hole 311 of the object stage in space position and allow the screw to penetrate through the first connecting hole 311 on the tray 31 and then enter the first fixing hole 321; the chassis component 4 and the tray component 3 are identical in structure.

Preferably, at least one group of expanding hole sets 312 are arranged on the tray 31, and each expanding hole set 312 comprises an expanding through hole 312a and a threaded through hole 312b and is used for externally connecting the auxiliary tray component 3 and the weighing unit 1 for weighing; the tray 31 is provided with at least one group of expansion hole sets 313 for fixing or positioning the weighing unit 1 in an external device; at least one group of cable through holes 314 are formed in the tray 31 and used for cable routing of the cantilever strain sensor 2; further, at least one cable through hole 314 for the cantilever sensor cable 22 is formed on the tray 31.

Preferably, the cable through hole 314 is disposed in a direction parallel to the arrangement direction of the cantilever strain sensor 2 and is disposed on one side of the transverse rib 32, the cable through hole 314 is an open slot, and an outer edge of the open slot is provided with a chamfer for preventing damage and guiding a cable to be squeezed into the open slot.

Preferably, the bottom of the tray assembly 3 is provided with a longitudinal reinforcing rib 33, the bottom of the tray assembly 3 is respectively welded with a transverse reinforcing rib 32 and a plurality of longitudinal reinforcing ribs 33, and two ends of the transverse reinforcing rib 32 are respectively perpendicular to the plurality of longitudinal reinforcing ribs 33.

Preferably, the first connection holes 311 of the tray 31 are provided in plural, the apertures of the plural first connection holes 311 are larger than the apertures of the through holes of the transverse reinforcing rib 32, and the coaxiality error between the first connection holes 311 and the transverse reinforcing rib 32 is 0.005 times.

Preferably, the weighing unit 1 is provided with a limiting assembly 5, the limiting assembly 5 comprises a limiting plate 51 and a guiding limiting member 52, the limiting plate 51 is provided with a hole set 511 for penetrating through a fastener, and the limiting assembly 5 is positioned and fastened on the tray assembly 3 through the fastener; the limiting plate 51 is designed to be right-angled, the hole set 511 comprises a limiting hole and a fastening hole, the limiting hole and the fastening hole are both designed to be countersunk holes, the guide limiting part 52 is designed to be a press riveting guide pin, the guide limiting part 52 is arranged in the limiting hole through the press riveting guide pin, and the limiting plate 51 sequentially penetrates through the fastening hole and the limiting assembly 5 through the countersunk screws and is arranged in the tray 31.

Preferably, at least two limiting assemblies 5 are arranged on the weighing unit 1, and the limiting assemblies 5 are arranged in the expansion hole set 312 and used for adjusting the fixing positions of the limiting assemblies 5.

Preferably, a cable tie bridge 34 is arranged on the tray assembly 3 and used for fixing a cable, the cable tie bridge 34 is welded on the tray 31, the transverse reinforcing ribs 32 and the longitudinal reinforcing ribs 33, the cable tie bridge 34 is welded on one side of the cable through hole 314, and the cable tie bridge 34 is arranged between the cantilever strain sensor 2 and the cable through hole 314; further, the tray assembly 3 further comprises at least one cable bridge 34 for cable fixing of the cantilever strain sensor 2, and at least one cable bridge 34 is welded to at least one component in the tray assembly 3.

Preferably, the cantilever strain sensor 2, the tray assembly 3 and the chassis assembly 4 are all fixed by screws, the screws sequentially penetrate through the first connecting holes 311 and the transverse reinforcing ribs 32 and are arranged in the cantilever strain sensor 2, and the height of the transverse reinforcing ribs 32 is parallel to the height of the tops of the screws; the first fixing hole 321 and the first connecting hole 311 have diameters corresponding to the diameter of the screw rod 62, the tolerance range between the diameter of the first fixing hole 321 and the diameter of the screw rod 62 is 0.1-0.3mm, and the tolerance range between the diameter of the first connecting hole 311 and the diameter of the screw head 61 is 0.3-0.8 mm; the screws are socket head cap screws, further, the cantilever strain sensor 2, a tray component 3 and a chassis component 4 completely equivalent to the tray component 3 are fixed by the socket head cap screws 6, the socket head cap screws 6 penetrate through the first through holes of the tray 31 and finally fasten the transverse reinforcing ribs 32 on the cantilever strain sensor 2, the height of the transverse reinforcing ribs 32 accommodates the height of the heads 61 of the socket head cap screws 6, and finally the visible space between the first through holes and the first fixing holes 321 on the tray 31 is filled; the first fixing hole 321 and the first connecting hole 311 have apertures corresponding to the nominal diameters of the rod 62 and the head 61 of the international hexagon socket head cap screw 6, respectively, and the tolerance range between the aperture of the first fixing hole 321 and the nominal diameter of the rod 62 is 0.1-0.3mm, and the tolerance range between the aperture of the first connecting hole 311 and the nominal diameter of the head 61 is 0.3-0.8 mm.

Preferably, including host computer 101, lower computer 102, collection module 103 and a plurality of weighing unit 1, characterized in that, the cable that cantilever sensor draws in weighing unit 1 is connected to collection module 103 in a concentrated manner and constitutes weighing unit cluster 100, a plurality of weighing unit 1 clusters are connected to lower computer 102, host computer 101 is through down sending the order to after lower computer 102, lower computer 102 returns to host computer 101 after the data of specific weighing unit 1 in weighing unit cluster 100 is sampled through collection module 103 and is read, and host computer 101 carries out data processing and uploads to cloud server.

The second embodiment is different from the above in that the cantilever strain sensor 2, the tray assembly 3, and the chassis assembly 4 are provided in plurality.

The third embodiment differs from the above in that the screw is provided as a socket head cap screw 6.

The technical features mentioned above are combined with each other to form various embodiments which are not listed above, and all of them are regarded as the scope of the present invention described in the specification; also, modifications and variations may be suggested to those skilled in the art in light of the above teachings, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.