CN213932763U

CN213932763U - Battery weighing equipment

Info

Publication number: CN213932763U
Application number: CN202022250239.8U
Authority: CN
Inventors: 朱程峰; 胡晓丽; 李宁; 毛蓉蓉; 诸狄青
Original assignee: Zhongyin Ningbo Battery Co Ltd
Current assignee: Zhongyin Ningbo Battery Co Ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-08-10
Anticipated expiration: 2030-10-10

Abstract

The utility model provides a battery weighing equipment belongs to the battery technical field that weighs, include: one end of the bearing shaft is movably connected with the support, the support can move up and down along the axis direction of the bearing shaft, a supporting platform used for placing a product is arranged on the support, the other end of the bearing shaft is connected with the sensor, the sensor is electrically connected with the PLC control module through a data line, and an elastic part is arranged between the support and the bearing shaft. The utility model provides a pair of battery setting of weighing through the cooperation between support, bearing axle and the sensor, realizes the static state of battery and weighs to improve the precision that the battery was weighed, and then improve the qualification rate of product when dispatching from the factory, in addition, control module adopts PLC control module, and adopts the mode that directly links between sensor and the PLC control module, realizes the real-time saving of product weight.

Description

Battery weighing equipment

Technical Field

The utility model belongs to the technical field of the battery is weighed, a battery weighing-appliance, especially a battery weighing-appliance is related to.

Background

The weight of the battery is an important index for battery inspection to judge whether the battery is a qualified product.

Chinese patent (CN204514444U) discloses a battery assembly line automatic weighing device, and belongs to the technical field of storage battery equipment. The storage battery labeling device solves the problems that data cannot be directly read in the subsequent process of the existing storage battery processing, labeling is inconvenient for the second time, and the like. The device can be butted on a detection production line and comprises a weighing platform, wherein a plurality of roller frames integrated with rollers are placed on a weighing surface of the weighing platform, protective plates are arranged at two side positions of the roller frames, a power device is arranged below the weighing platform and connected with the integrated roller frames and drives the rollers on the roller frames to rotate, the weighing platform is electrically connected with a data server, and the weight weighed by the weighing platform is transmitted to the data server and subjected to data comparison. The device can directly dock with the assembly line, can directly read the weight data after the process, establishes perfect detection database, has solved battery pack quality situation better, carries out analysis through the data and finds out the quality problem key, thereby finally carries out effective improvement and improves product quality.

The storage battery adopts dynamic weighing, namely the storage battery realizes automatic weighing along with the movement of a production line, but the weighing precision of the storage battery is not high in the dynamic weighing mode, so that the qualification rate of products when leaving a factory is influenced.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided one kind and can accurately weigh, improved the battery weighing equipment of product qualification rate that dispatches from the factory.

The purpose of the utility model can be realized by the following technical proposal: a battery weighing apparatus comprising: one end of the bearing shaft is movably connected with the support, the support can move up and down along the axis direction of the bearing shaft, a supporting platform used for placing a product is arranged on the support, the other end of the bearing shaft is connected with the sensor, and the sensor is electrically connected with the control module through a data line.

In the above battery weighing apparatus, an elastic member is provided between the bracket and the bearing shaft.

In the above battery weighing device, the support comprises a connecting platform nested and connected with the bearing shaft, and the supporting platform and the connecting platform are distributed up and down, wherein the elastic part is embedded in the connecting platform and connected with the bolt on the bearing shaft.

In the above battery weighing apparatus, the apparatus further includes a housing, wherein one end of the bearing shaft extends into the housing and is connected to a sensor embedded in the housing, and a sleeve is disposed at a connection position of the bearing shaft and the housing.

In the above battery weighing apparatus, a through hole is provided on the housing, wherein the through hole is provided in a step shape, and the step on the through hole is in clamping fit with the step on the sleeve.

In the above battery weighing apparatus, a limiting structure is disposed between the housing and the bracket, wherein the limiting structure includes an upper limiting portion and a lower limiting portion for controlling the up-and-down movement stroke of the bracket.

In the above battery weighing device, the upper positioning portion penetrates through the connecting platform of the bracket and is connected and fixed to the housing, the lower positioning portion is connected and fixed to the housing and is located below the connecting platform, and the upper positioning portion and the lower positioning portion are connected to the same side of the housing.

In the above battery weighing apparatus, the upper limiting part includes an upper limiting pin, and an upper limiting plane is provided on the upper limiting pin, the lower limiting part includes a lower limiting pin, and a lower limiting plane is provided on the lower limiting pin, wherein the connecting platform on the bracket is located between the upper limiting plane and the lower limiting plane.

In the above battery weighing apparatus, the number of the upper limit pins and the number of the lower limit pins are two, and the two upper limit pins and the two lower limit pins are respectively symmetrically arranged with respect to the bearing axis, wherein the relative distance between the upper limit pins and the bearing axis is smaller than the relative distance between the lower limit pins and the bearing axis.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model provides a pair of battery setting of weighing through the cooperation between support, bearing axle and the sensor, realizes the static state of battery and weighs to improve the precision that the battery was weighed, and then improve the qualification rate of product when dispatching from the factory, in addition, control module adopts PLC control module, and adopts the mode that directly links between sensor and the PLC control module, realizes the real-time saving of product weight.

(2) The protection of the sensor can be realized through the shell, the sensor is prevented from being damaged due to external impact, the service life of the sensor is prolonged, the measurement precision of the sensor is improved, in addition, a sleeve is arranged at the joint between the bearing shaft and the shell, the perpendicularity of the installation of the bearing shaft is ensured, and the accuracy of the product in weight weighing is improved.

(3) The through hole is arranged in a stepped mode, the step on the through hole is matched with the step on the sleeve in a clamping mode, so that the sleeve is positioned when being installed, the coaxiality of the through hole and the sleeve is improved, the verticality of the bearing shaft when being installed is guaranteed, and the accuracy of the product when weighing the weight is improved.

(4) The stroke of the bracket in the up-down moving process is controlled by setting the upper limit part and the lower limit part, so that the sensor in the shell is protected, and the service life of the sensor is prolonged.

(5) The groove is formed in the boss, so that the product does not shake in the weighing process, and the accuracy of the product in weighing is improved.

(6) The utility model provides a pair of battery weighing method, through sensor and PLC control module's direct link, improve the accuracy nature of product when weight is weighed to can realize the automation that the product static state was weighed with product weight record, storage in real time.

Drawings

Fig. 1 is a schematic structural diagram of a battery weighing apparatus of the present invention.

Fig. 2 is a schematic structural view of another view angle of the battery weighing apparatus of the present invention.

Fig. 3 is a sectional view a-a shown in fig. 2.

Fig. 4 is a schematic view of a partial structure of a battery weighing apparatus according to the present invention.

In the figure, 100, the bearing shaft; 110. a bolt; 200. a support; 210. a support platform; 220. an elastic member; 230. connecting the platform; 240. a boss; 241. a groove; 250. a circular hole; 300. a sensor; 400. a housing; 410. a joint; 420. a through hole; 500. a sleeve; 600. an upper limit pin; 610. an upper limiting plane; 700. a lower limit pin; 710. a lower limiting plane.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, the utility model provides a battery weighing device, include: one end of the bearing shaft 100 is movably connected with the support 200, and the support 200 can move up and down along the axis direction of the bearing shaft 100, wherein a supporting platform 210 for placing a product is arranged on the support 200, the other end of the bearing shaft 100 is connected with the sensor 300, and the sensor 300 is electrically connected with the control module through a data line.

When a product is placed on the supporting platform 210, the bracket 200 moves downward under the weight of the product and contacts with the bearing shaft 100, and the pressure between the bracket 200 and the bearing shaft 100 is transmitted to the sensor 300 through the bearing shaft 100, but the sensor 300 in the embodiment adopts the piezoelectric sensor 300, so that a mechanical gravity signal can be converted into a current signal, the current signal is transmitted to the control module through a data line, and finally the control module calculates a corresponding weight value according to the current signal and stores the weight value in the control module.

In addition, the control module in this embodiment is preferably a PLC control module, which is accurate in detection and quick in response.

The utility model provides a pair of battery setting of weighing through the cooperation between support 200, bearing axle 100 and the sensor 300, realizes the static state of battery and weighs to improve the precision that the battery was weighed, and then improve the qualification rate of product when dispatching from the factory, in addition, control module adopts PLC control module, and adopts the mode that directly links between sensor 300 and the PLC control module, realizes the real-time saving of product weight.

Preferably, as shown in fig. 1 to 4, an elastic member 220 is disposed between the bracket 200 and the load-bearing shaft 100, the bracket 200 is reset by the elastic force of the elastic member 220, and the impact when the bracket 200 moves down can be relieved by the elastic member 220, thereby protecting the sensor 300 from being damaged.

When a product is placed on the supporting platform 210, the bracket 200 moves downward and contacts the bearing shaft 100, and at this time, the elastic member 220 is in a pressed state; when the product is removed from the supporting platform 210, the supporting frame 200 is reset by the elastic member 220, and at this time, the elastic member 220 is retracted to the initial state. In addition, in this embodiment, the battery is placed and taken, all adopts the manipulator to realize, convenient operation, reliable.

Preferably, as shown in fig. 1 to 4, the bracket 200 includes a connection platform 230 nestingly connected with the bearing shaft 100, and the support platform 210 and the connection platform 230 are distributed up and down, wherein the elastic member 220 is embedded in the connection platform 230 and connected with the latch 110 on the bearing shaft 100.

In the present embodiment, the latch 110 is inserted into the bearing shaft 100, wherein an axial direction of the latch 110 is perpendicular to an axial direction of the bearing shaft 100.

Preferably, as shown in fig. 1 to 4, the battery weighing apparatus further includes a housing 400, wherein one end of the load-bearing shaft 100 extends into the housing 400 and is connected to the sensor 300 built in the housing 400, and a sleeve 500 is provided at the connection of the load-bearing shaft 100 and the housing 400.

It is further preferable that the housing 400 is provided with a connector 410 connected to the data line.

In this embodiment, through casing 400, can realize sensor 300's protection, avoid sensor 300 to take place to damage because of outside striking, improve sensor 300's measurement accuracy when extension sensor 300 life, in addition, set up sleeve 500 in the junction between bearing axle 100 and casing 400, guaranteed the straightness that hangs down of bearing axle 100 installation, and then improve the accuracy nature of product when weight is weighed.

It is further preferable that a through hole 420 is opened on the housing 400, wherein the through hole 420 is disposed in a step shape, and a step on the through hole 420 is engaged with a step on the sleeve 500.

In this embodiment, the through hole 420 is in a step shape, and the step on the through hole 420 is in clamping fit with the step on the sleeve 500, so as to form the positioning of the sleeve 500 during installation, improve the coaxiality of the through hole 420 and the sleeve 500, further ensure the verticality of the bearing shaft 100 during installation, and improve the accuracy of the product during weight weighing.

Preferably, as shown in fig. 1 to 4, a limit structure is provided between the housing 400 and the stand 200, wherein the limit structure includes an upper limit portion and a lower limit portion to control the up-and-down movement stroke of the stand 200.

In the present embodiment, the upper limit portion and the lower limit portion are provided to control the stroke of the bracket 200 during the up-and-down movement, so as to protect the sensor 300 built in the housing 400, thereby prolonging the service life of the sensor 300. If the descending stroke of the bracket 200 is too large, the pressure value between the bracket 200 and the bearing shaft 100 is increased to exceed the detection range of the sensor 300, and the sensor 300 is scrapped.

Further preferably, the upper limit portion penetrates the connecting platform 230 of the support 200 and is connected and fixed to the housing 400, the lower limit portion is connected and fixed to the housing 400 and is located below the connecting platform 230, wherein the upper limit portion and the lower limit portion are connected to the same side of the housing 400, and a height difference between the upper limit portion and the lower limit portion is used as a space for the support 200 to move up and down.

Further preferably, the upper limit portion comprises an upper limit pin 600, an upper limit plane 610 is disposed on the upper limit pin 600, the lower limit portion comprises a lower limit pin 700, and a lower limit plane 710 is disposed on the lower limit pin 700, wherein the connecting platform 230 on the bracket 200 is located between the upper limit plane 610 and the lower limit plane 710.

In the present embodiment, when the upper surface of the connecting platform 230 contacts the upper limiting plane 610, the initial state is obtained, that is, the product is not placed on the supporting platform 210; when the upper surface of the connecting platform 230 is separated from the upper limiting plane 610, the product is in a weighing state, that is, the product is already placed on the supporting platform 210; when the lower surface of the connecting platform 230 contacts the lower limiting plane 710, the weighing limit is reached, i.e. the weight of the product is already at the preset limit weight.

Preferably, as shown in fig. 1 to 4, the number of the upper limit pins 600 is two and is respectively located at two sides of the bearing shaft 100, and correspondingly, the number of the lower limit pins 700 is also two and is also respectively located at two sides of the bearing shaft 100, wherein, on the same horizontal plane, the relative distance between the upper limit pin 600 and the bearing shaft 100 is smaller than the relative distance between the lower limit pin 700 and the bearing shaft 100.

Further preferably, a first axis of symmetry between the two upper limit pins 600, a second axis of symmetry between the two lower limit pins 700 and an axis of the load bearing shaft 100 coincide with each other. Thereby further improving the accuracy of the product when weighing.

Preferably, as shown in fig. 1 to 4, a boss 240 is formed to protrude upward along the support platform 210, wherein a groove 241 is formed to be a placement space of a product by being recessed in a thickness direction of the boss 240.

In this embodiment, the groove 241 is disposed on the boss 240, so that the product does not shake during weighing, thereby improving the accuracy of the product during weighing.

Further preferably, a plurality of circular holes 250 are formed on the supporting platform 210 and the boss 240 to reduce the weight of the bracket 200.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A battery weighing apparatus, comprising: one end of the bearing shaft is movably connected with the support, the support can move up and down along the axis direction of the bearing shaft, a supporting platform used for placing a product is arranged on the support, the other end of the bearing shaft is connected with the sensor, the sensor is electrically connected with the PLC control module through a data line, and an elastic part is arranged between the support and the bearing shaft.

2. The battery weighing apparatus of claim 1, wherein the bracket comprises a connecting platform nested with the bearing shaft, and the support platform and the connecting platform are vertically distributed, wherein the elastic member is embedded in the connecting platform and connected with the bolt on the bearing shaft.

3. The battery weighing apparatus of claim 2, wherein the latch is connected to the bearing shaft, and wherein the axis of the latch is perpendicular to the axis of the bearing shaft.

4. A battery weighing apparatus according to claim 1, 2 or 3, further comprising a housing, wherein one end of the load bearing shaft extends into the housing and is connected to a sensor built into the housing, and a sleeve is provided at the connection of the load bearing shaft and the housing.

5. The battery weighing apparatus of claim 4, wherein the housing is provided with a through hole, wherein the through hole is provided in a step shape, and the step of the through hole is engaged with the step of the sleeve.

6. The battery weighing apparatus of claim 4, wherein a limiting structure is provided between the housing and the bracket, wherein the limiting structure comprises an upper limiting part and a lower limiting part for controlling the up-and-down moving stroke of the bracket.

7. The battery weighing apparatus of claim 6, wherein the upper limit portion penetrates through the connecting platform of the bracket and is fixedly connected to the housing, and the lower limit portion is fixedly connected to the housing and is located below the connecting platform, wherein the upper limit portion and the lower limit portion are connected to the same side of the housing.

8. The battery weighing apparatus of claim 6, wherein the upper limit portion comprises an upper limit pin, and an upper limit plane is disposed on the upper limit pin, and the lower limit portion comprises a lower limit pin, and a lower limit plane is disposed on the lower limit pin, wherein the connection platform on the bracket is located between the upper limit plane and the lower limit plane.

9. The battery weighing apparatus of claim 8, wherein the number of the upper limit pins and the lower limit pins is two, and the two upper limit pins and the two lower limit pins are symmetrically arranged with respect to the bearing axis, respectively, wherein the relative distance between the upper limit pins and the bearing axis is smaller than the relative distance between the lower limit pins and the bearing axis.