CN114965157B - Automatic solid workpiece density measuring device and measuring method thereof - Google Patents
Automatic solid workpiece density measuring device and measuring method thereof Download PDFInfo
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- CN114965157B CN114965157B CN202210578349.8A CN202210578349A CN114965157B CN 114965157 B CN114965157 B CN 114965157B CN 202210578349 A CN202210578349 A CN 202210578349A CN 114965157 B CN114965157 B CN 114965157B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/08—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring buoyant force of solid materials by weighing both in air and in a liquid
Abstract
The invention discloses an automatic solid workpiece density measuring device, which comprises: a dry weighing station and a wet weighing station; the conveying module is provided with a bracket for supporting the solid workpiece to be weighed and conveying the solid workpiece back and forth among the starting position, the dry weighing station and the conveying module; the conveying module is used for conveying the solid workpiece from the conveying module to the wet weighing station or conveying the solid workpiece from the wet weighing station back to the conveying module; the dry weighing station is provided with a first bearing module and a weighing measurement module, a second bearing module is arranged in a water tank of the wet weighing station, and the first bearing module and the second bearing module are connected with each other and are used for bearing a solid workpiece and transmitting the gravity of the solid workpiece to the same weighing measurement module; the weighing and measuring module is used for acquiring the weight of the fixed workpiece placed on the first bearing module/the second bearing module and calculating the density of the solid workpiece.
Description
Technical Field
The invention relates to the technical field of solid workpiece density measurement, in particular to an automatic solid workpiece density measurement device and a measurement method thereof.
Background
The density measurement of the solid workpiece generally needs to be measured by a dry weighing device, then by a wet weighing device, and finally the density value of the solid workpiece is determined according to the measured dry weighing result and wet weighing result. However, the existing dry weighing device and wet weighing device are generally arranged separately, and the solid workpiece needs to be manually conveyed to the dry weighing device for measurement and then conveyed to the wet weighing device for measurement, so that the measurement is time-consuming and labor-consuming. For solid workpieces with large gravity, two or more people are sometimes required to carry the solid workpieces together for weighing, which is very inconvenient. More importantly, because the solid workpiece is easily influenced by external factors in the manual carrying process, the weighing error is larger, and the calculated density value error is larger and does not meet the requirements of users.
Disclosure of Invention
The invention aims to overcome at least one defect (deficiency) of the prior art, and provides an automatic solid workpiece density measuring device which is used for solving the problems of inconvenient weighing and low precision of solid workpieces.
The invention also discloses a measuring method for the automatic solid workpiece density measuring device, which has the advantages of simple procedure and high accuracy of measuring results.
In order to solve the technical problems, the invention adopts the following technical scheme:
an automatic solid workpiece density measuring device, comprising:
the device comprises a dry weighing station and a wet weighing station, wherein the dry weighing station is used for carrying out dry weighing on a solid workpiece, the wet weighing station is used for carrying out wet weighing on the solid workpiece, and the wet weighing station is arranged below the dry weighing station and in a water tank;
the conveying module is provided with a bracket for supporting the solid workpiece to be weighed and conveying the solid workpiece back and forth among the starting position, the dry weighing station and the conveying module; the conveying module is used for conveying the solid workpiece from the conveying module to the wet weighing station or conveying the solid workpiece from the wet weighing station back to the conveying module;
the dry weighing station is provided with a first bearing module and a weighing measurement module, a second bearing module is arranged in a water tank of the wet weighing station, and the first bearing module and the second bearing module are connected with each other and are used for bearing a solid workpiece and transmitting the gravity of the solid workpiece to the same weighing measurement module; the weighing measurement module is arranged below the first bearing module and is used for acquiring the weight of a fixed workpiece placed on the first bearing module/the second bearing module and calculating the density of the solid workpiece.
Further, through setting up first bearing module and second bearing module and holding solid work piece, weigh again, can effectively avoid connecting metal etc. of solid and liquid to produce adhesive force, lead to producing measuring error.
According to the technical scheme, the automatic solid workpiece density measuring device is provided with the dry weighing station and the wet weighing station, so that the solid workpiece can be automatically weighed in a one-stop mode in a dry and wet mode, and the problems of inconvenience in traditional weighing and labor consumption are solved.
The solid workpiece can be grabbed by using an external manipulator and placed on the bracket so as to carry out weighing measurement; after the weighing measurement is finished, the solid workpiece is grabbed by an external manipulator so as to measure the next solid workpiece. Through setting up the transportation module to the transportation solid work piece. And through setting up transport module to in carrying the basin to wet-type weighing station with solid work piece, avoid the interior water of basin to be stained with wet transportation module, influence the working property of transportation module, more importantly, can guarantee the detection accuracy of solid work piece better, more accord with the user needs.
In addition, this technical scheme is through connecting first bearing module and second bearing module, obtains the weight of solid work piece on dry-type weighing station and wet-type weighing station respectively through same weighing measurement module, has both saved space and cost, still makes to weigh more accurately, and the error is less, avoids measuring the great problem of error that brings through different weighing measurement modules.
Specifically, the weighing measurement module can calculate the density of the solid workpiece through the dry weight and the wet weight of the solid workpiece by using an Archimedes principle method. The Archimedes principle is as follows: the object immersed in the liquid is subjected to an upward buoyancy force equal in magnitude to the weight of the liquid from which the object is displaced. Assuming that the weights of the solid workpiece in air and in liquid are W, respectively a And W is fl The density of the liquid is ρ fl Neglecting the buoyancy of air, the density of the solid workpiece is:
Wherein the liquid used is typically water. Because the actual density of the solid workpiece is also affected by the liquid temperature, the buoyancy of air, bubbles and the like, the calculated density of the solid workpiece can be corrected by using the weighing measurement module so as to obtain a more accurate density value of the solid workpiece.
In addition, the obtained density value of the solid workpiece can be evaluated through the weighing measurement module so as to judge whether the quality of the solid workpiece is high or low, whether the solid workpiece has inclusions, whether the solid workpiece reaches the preset production quality or not and the like.
Further, the carrying module comprises a sliding rail mechanism and a supporting frame arranged on the sliding rail mechanism, the supporting frame is used for supporting the solid workpiece, and the sliding rail mechanism drives the supporting frame to move up and down so as to carry the solid workpiece from the carrying module to the second bearing module or carry the solid workpiece from the second bearing module back to the carrying module.
Specifically, in this technical scheme, slide rail mechanism can set up in automatic measuring device's back backup pad to make slide rail mechanism fixed more firm.
Further, a plurality of mutually-separated supporting claws are arranged on the first supporting module/the second supporting module, a plurality of mutually-separated supporting plates are arranged on the bracket, and a plurality of mutually-separated supporting claws are arranged on the supporting frame; the supporting claw, the supporting plate and the supporting claw are respectively arranged at intervals so as to transfer the solid workpiece.
According to the technical scheme, the supporting claws and the supporting plates are mutually separated and are arranged at intervals so as to form avoidance spaces, so that stacking can be realized when the bracket moves onto the first supporting module, and solid workpieces are automatically transferred onto the first supporting module in the downward movement process of the bracket so as to be dry-type weighed; after the dry weighing is completed, the bracket moves upwards, and the solid workpiece can be transferred onto the bracket again, so that the bracket drives the solid workpiece to be transported onto the transport module through the transport module.
Similarly, when the bracket moves onto the carrying module, the supporting frame of the carrying module moves upwards on the sliding rail mechanism, and as the supporting claws of the supporting frame are alternately arranged with the supporting plate to form a clearance space, the supporting claws can penetrate through the supporting plate to support and hold the solid workpiece and carry the solid workpiece onto the second bearing module; the second bearing module is used for bearing the solid workpiece through the bearing claw, transmitting the weight of the solid workpiece to the first bearing module, and further realizing weighing measurement through the same weighing measurement module; after the wet weighing is completed, the supporting frame moves upwards again to hold the solid workpiece, so that the solid workpiece is conveyed back to the bracket of the conveying module, and then is conveyed back to the starting position through the conveying module, thereby realizing automatic weighing measurement.
Further, the number of the supporting claws, the supporting plates and the holding claws can be set according to the size and the length of the solid workpiece so as to better fix the solid workpiece.
Further, the supporting claw, the supporting plate and the supporting claw are respectively provided with a concave position for supporting and fixing the solid workpiece.
Through setting up the concave position, can fix solid work piece better to solid work piece removes, influences measuring result. Wherein the recess may be configured to match the shape of the solid workpiece.
Further, the transportation module comprises a transverse transportation module for driving the bracket to transversely move and a longitudinal transportation module for driving the bracket to longitudinally move;
the transverse transportation module comprises a first electric sliding block and a first guide rod mechanism, the bracket is arranged on the first electric sliding block, and the first electric sliding block transversely moves on the first guide rod mechanism so as to drive the bracket to transversely move;
the longitudinal transportation module comprises a second electric sliding block and a second guide rod mechanism, wherein the second electric sliding block longitudinally moves on the second guide rod mechanism, and the second electric sliding block is arranged below the first guide rod mechanism and is used for supporting and driving the first guide rod mechanism to longitudinally move so as to drive the solid workpiece to longitudinally move.
Further, a third electric sliding block is further arranged at the bottom of the bracket and used for driving the bracket to move back and forth on the first electric sliding block so as to move the bracket into the first bearing module/supporting frame or move out of the first bearing module/supporting frame.
In the technical scheme, the third electric sliding block is arranged so as to independently drive the bracket to move back and forth, so that the first bearing module/supporting frame is moved in or out, the solid workpiece is transferred, the whole volume of the automatic measuring device is reduced, and the automatic measuring device is miniaturized.
Further, still include the box, dry-type weighing station, transport module and wet-type weighing station from the top down set gradually in the box, be provided with the feed window on the box, transport module sets up in the box, and moves into or shift out on the feed window for transport solid work piece moves into or shifts out.
In this technical scheme, through setting up the box to the inside measuring environment of protection measuring device better avoids outside environment to influence the measurement of solid work piece.
Further, a wind shielding curtain is arranged on the feeding window. The influence of wind on the density measurement of the solid workpiece can be further avoided through the wind shielding curtain.
Further, a connecting piece is arranged between the first bearing module and the second bearing module, the weight loaded on the second bearing module is transferred to the second bearing module through the connecting piece, and then weighing is achieved through the same weighing measurement module, the weighing measurement module calculates the density of the solid workpiece according to the obtained twice weighing, and in addition, the density value can be influenced by the air buoyancy of dry weighing, the liquid density of wet weighing, the depth of an object entering the liquid, bubbles and the like, so that the calculated density can be corrected again through the weighing measurement module, and the obtained density value is more accurate. In addition, the density value of the solid work piece can be evaluated by the weighing measurement module to indicate whether the obtained solid work piece reaches a predetermined production quality. And finally, transmitting the density result obtained by the two times of calculation, evaluation information and the like to an upper computer for a user to check.
Further, the connection member may be a connection string.
The automatic solid workpiece density measuring method is used for the automatic solid workpiece density measuring device and comprises the following working steps:
s1: placing a solid workpiece to be measured on a bracket of a transport module;
s2: the conveying module moves to convey the solid workpiece to the dry weighing station;
s3: the first bearing module of the dry weighing station supports the solid workpiece, and the weighing measuring module obtains the dry weight of the fixed workpiece;
s4: after the dry weighing is completed, the transportation module moves again, the solid workpiece on the first bearing module is supported, and then the solid workpiece is transported to the transportation module;
s5: the carrying module is used for supporting the solid workpiece and carrying the solid workpiece to a second supporting module of the wet weighing workpiece, the second supporting module is connected with the first supporting module so as to transfer the wet weight of the solid workpiece to the first supporting workpiece, the weighing measuring module is used for detecting the wet weight of the solid workpiece, and the density value of the solid workpiece is calculated;
s6: after the wet weighing is completed, the carrying module moves again, the solid workpiece on the second bearing module is lifted up, and then the solid workpiece is carried to the transporting module;
s7: the conveying module supports the solid workpiece and conveys the solid workpiece back to the starting position.
Compared with the prior art, the invention has the beneficial effects that:
according to the automatic solid workpiece density measuring device, the dry weighing station and the wet weighing station are arranged, so that the dry weighing and the wet weighing of the solid workpiece in the same device are realized, the weighing program is greatly simplified, the manpower and the material resources are saved, and the measuring efficiency is accelerated. Moreover, this technical scheme is through setting up transport module and transport module, still has realized quick, automatic measurement, also is favorable to protecting transport module and improves detection precision, when avoiding carrying out wet weighing, the water of wet weighing station is to solid work piece and transport module's influence. In addition, the technical scheme also realizes dry weighing and wet weighing on the same weighing and measuring module, so that the measuring result is more accurate, the structure is simplified, the cost is saved, and the weighing and measuring device meets the requirements of users.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present invention.
Fig. 2 is a first perspective view of the invention with the casing removed.
Fig. 3 is a perspective view of the invention after removal of the box and solid work pieces.
Fig. 4 is a schematic diagram of the structure of a dry weighing station and a wet weighing station.
Fig. 5 is a second perspective view of the present invention with the case removed.
Fig. 6 is a second perspective view of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the invention. For better illustration of the following embodiments, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1 and 2, the embodiment discloses an automatic solid workpiece density measuring device, which comprises a box 100, wherein a dry weighing station 200 and a wet weighing station 300 are arranged in the box 100, the dry weighing station 200 is used for dry weighing a solid workpiece, and the wet weighing station 300 is arranged below the dry weighing station 200 and in a water tank 400 and is used for wet weighing the solid workpiece.
As shown in fig. 2 and 3, further, the automatic solid workpiece density measuring device according to the present embodiment further includes a transporting module 500 and a carrying module 600, wherein the transporting module 500 is provided with a bracket 510 for supporting a solid workpiece to be weighed, and transporting the solid workpiece back and forth between the start position, the dry weighing station 200 and the carrying module 600; the handling module 600 is used for handling the solid workpiece from the transport module 500 to the wet weighing station 300 or from the wet weighing station 300 back to the transport module 500, so that the transport module 500 transports the weighed solid workpiece back to the starting position.
As shown in fig. 2 and 4, further, a first bearing module 210 and a weighing and measuring module 220 are disposed on the dry weighing station 200, a second bearing module 310 is disposed on the wet weighing station 300, in order to make the measurement more accurate, the weighing and measuring module 220 is disposed below the first bearing module 210, the first bearing module 210 and the second bearing module 310 are connected, and weigh by the same weighing and measuring module 220, the weighing and measuring module 220 below the first bearing module 210 is used for obtaining the weight of the solid workpiece placed on the first bearing module 210/the second bearing module 310, so as to obtain the weight of the solid workpiece in the air and the liquid, and further calculate the density value of the solid workpiece according to the archimedes principle method; further, since the actual density of the solid workpiece is also affected by the liquid temperature, the buoyancy of air, bubbles, etc., the weight measurement module 220 may be further configured to correct the effect of the liquid temperature, the buoyancy of air, bubbles, etc. on the density of the solid workpiece. Because the same weighing module 220 is used for weighing, the weighing device in the technical scheme has more accurate weighing measurement, simplifies the structure of the device, reduces the volume and saves the cost.
As shown in fig. 1, further, the front surface of the case 100 is provided with a feed window 110, and the carriage 510 of the transport module 500 moves in and out on the feed window 110 to transport the solid work. Preferably, a wind shielding curtain is provided on the feed window 110 to prevent wind from blowing into the case 100, affecting the measurement result.
As shown in fig. 1 and 5, in particular, the transporting module 500 further includes a transverse transporting module 520 and a longitudinal transporting module 530 disposed in the box 100, where the transverse transporting module 520 is configured to drive the bracket 510 to move transversely so as to move into or out of the box 100; the longitudinal transportation module 530 is used for driving the transverse transportation module 520 to move longitudinally, and further driving the solid workpiece on the bracket 510 to move longitudinally, so as to move to the dry weighing station 200 or the carrying module 600.
Further, in the present embodiment, the transverse transportation module 520 includes a first guide rod mechanism 521 and a first electric slider 522 disposed on the first guide rod mechanism 521, where the bracket 510 is disposed on the first electric slider 522, and the first electric slider 522 drives the bracket 510 to move into or out of the feeding window 110 by performing a transverse movement on the first guide rod mechanism 521. The longitudinal transportation module 530 includes a second electric slider 532 and a second guide rod mechanism 531, the second electric slider 532 is disposed on the second guide rod mechanism 531, and the second electric slider 532 is connected to the first guide rod mechanism 521, so as to connect the transverse transportation module 520, and drive the transverse transportation module to move longitudinally on the second guide rod mechanism 531, so as to transfer the solid workpiece on the transverse transportation module to the dry weighing station 200/carrying module 600.
As shown in fig. 4 and 6, the handling module 600 further includes a sliding rail mechanism 610 and a supporting frame 620 disposed on the sliding rail mechanism 610, the supporting frame 620 is used for supporting the solid workpiece, the sliding rail mechanism 610 is used for driving the supporting frame 620 to move up and down, so as to handle the solid workpiece from the bracket 510 to the wet weighing station 300 or from the wet weighing station 300 back to the bracket 510 of the handling module 500, and then the solid workpiece is transported to the feeding window 110 through the handling module 500.
Specifically, in the present embodiment, the slide rail mechanism 610 includes a support plate 611 disposed inside the box 100 and a slide rail 612 disposed on the support plate 611, and the support frame 620 slides up and down on the slide rail 612 to move in or out of the wet weighing station 300.
Further, to facilitate the carriage 510 to transfer the solid workpiece to the first holding module 210/supporting frame 620, a third electric slider (not shown) is further disposed on the first electric slider 522, so as to independently drive the carriage 510 to move back and forth, thereby moving into or out of the first holding module 210/supporting frame 620, and transferring the solid workpiece. Specifically, when a solid workpiece to be weighed is placed on the bracket 510, the first motorized slider 522 slides laterally on the first guide bar mechanism 521 to transport the solid workpiece into the case 100; the second motorized slider 532 then drives the entire lateral transport module 520 upward to transport the solid workpiece to the dry weigh station 200; at this time, the bracket 510 is moved to the side upper side of the first supporting module 210, the third electric slider is started, so that the bracket 510 is moved to the position right above the first supporting module 210, the second electric slider 532 is moved downwards, so that the solid workpiece on the bracket 510 is transferred to the first supporting module 210, after the dry weighing is completed, the second electric slider 532 is moved upwards again, so that the solid workpiece on the bracket 510 is transferred back to the bracket 510 again, the third electric slider works again, so that the bracket 510 is moved out of the position above the first supporting module 210, and the second electric slider 532 drives the transverse transportation module 520 to move downwards, so that the bracket 510 and the solid workpiece are driven to move downwards, so that the solid workpiece is transported to the transporting module 600.
As shown in fig. 3, to better hold the solid workpiece, to prevent the solid workpiece from shaking during moving or weighing, and to influence the detection accuracy, the first support module 210/the second support module 310 are provided with a plurality of support claws 211 spaced apart from each other, the bracket 510 is provided with a plurality of support plates 511 spaced apart from each other, and the support frame 620 of the handling module 600 is also provided with a plurality of support claws 621 spaced apart from each other, wherein the support claws 621, the support plates 511 and the support claws 211 are respectively arranged at intervals so as to transfer the solid workpiece. Specifically, for example, when transferring the solid workpiece to the holding claw 211 of the first holding module 210, the bracket 510 is moved to the upper side of the first holding module 210 by the third electric slider, and then is moved downward by the second electric slider 532, and the supporting claw 621 and the supporting plate 511 are arranged alternately, so that the supporting plate 511 can pass through the supporting claw 621 and move downward to a height lower than the supporting claw 621, and the measurement of the weighing measurement module 220 is not affected, and at this time, the gravity of the solid workpiece can be transferred to the supporting claw 621 because the height of the supporting claw 621 is higher than the height of the supporting plate 511, so as to perform the weighing measurement. After the measurement is completed, the bracket 510 is driven to move upwards by the second electric sliding block 532, and the gravity of the solid workpiece is transferred back to the supporting plate 511 in the upwards moving process, so that the solid workpiece is driven to carry out the next process.
Similarly, when the solid workpiece is transported to the supporting frame 620 of the carrying module 600, the transverse transporting module 520 moves the bracket 510 to the side upper part of the supporting frame 620, then drives the bracket 510 to move to the upper part of the supporting frame 620 through the third electric sliding block, and finally drives the supporting frame 620 to slide upwards through the sliding rail mechanism 610. After the solid workpiece is transferred, the third electric slide block moves again to move the bracket 510 out of the carrying module 600; and the sliding rail mechanism 610 drives the supporting frame 620 to move downwards, so that the solid workpiece is conveyed to the wet weighing station 300 for wet weighing.
Preferably, the pallet 511, the support claw 621 and the holding claw 211 are provided with recesses for better holding and fixing the solid work piece. And the third electric sliding block drives the bracket 510 to independently slide back and forth, so that the volume of the whole device can be better reduced, and the structure is more compact. Through setting up transport module 600 with solid work piece transport alone to wet-type weighing station 300 on, can avoid being stained with wet transport module 500, influence transport module 500's working property to guarantee that the work of weighing goes on smoothly.
As shown in fig. 4, further, the first support module 210 and the second support module 310 may be connected by a string 700, and the first support module 210 and the second support module 310 are set to have zero gravity when no solid workpiece is placed, so that when the solid workpiece is placed on the first support module 210, the dry weight of the solid workpiece can be directly measured by the weighing measurement module 220; when the solid workpiece is placed on the second supporting module 310, the weight of the solid workpiece in water is transferred to the first supporting module 210 through the second supporting module 310, and then the weight is transferred to the weighing and measuring module 220 through the first supporting module 210, so that the dry weight and the wet weight of the solid workpiece are measured through the same weighing and measuring module 220, and finally the density of the solid workpiece is calculated.
Further, the specific working steps of the automatic solid workpiece density measuring device of the technical scheme are as follows:
s1: placing a solid workpiece to be measured on the carriage 510 of the transport module 500;
s2: the transport module 500 moves to transport the solid workpiece to the dry weighing station 200;
s3: the first bearing module 210 of the dry weighing station 200 holds the solid workpiece, and the weighing measurement module 220 obtains the dry weight of the fixed workpiece;
s4: after the dry weighing is completed, the transporting module 500 moves again, and the solid workpiece on the first bearing module 210 is lifted up and transported to the transporting module 600;
s5: the carrying module 600 supports the solid workpiece and carries the solid workpiece onto the second supporting module 310 of the wet weighing workpiece, the second supporting module 310 is connected with the first supporting module 210 to transfer the wet weight of the solid workpiece to the first supporting workpiece, and then the weighing measuring module 220 detects the wet weight of the solid workpiece; calculating the density value of the solid workpiece according to the Archimedes principle method;
s6: after the wet weighing is completed, the carrying module 600 moves again to lift the solid workpiece on the second bearing module 310 and carry the solid workpiece to the transporting module 500;
s7: the transport module 500 lifts the solid workpiece and transports the solid workpiece back to the starting position.
In step S5, the archimedes principle is as follows: the object immersed in the liquid is subjected to an upward buoyancy force equal in magnitude to the weight of the liquid from which the object is displaced. Assuming that the weights of the solid workpiece in air and in liquid are W, respectively a And W is fl The density of the liquid is ρ fl Neglecting the buoyancy of air, the density of the solid workpiece is:
Wherein the liquid used is typically water. Because the actual density of the solid workpiece is also affected by the liquid temperature, the buoyancy of air, bubbles and the like, the calculated density of the solid workpiece can be corrected by using the weighing measurement module 220 to obtain a more accurate density value of the solid workpiece, and finally the density value obtained by the two times is transmitted to an upper computer by using the weighing measurement module 220 for being checked by a worker. In addition, the weighing module 220 may also evaluate the quality of the solid workpiece according to the obtained density value to determine whether the solid workpiece contains inclusions, the quality of the solid workpiece, whether the solid workpiece reaches a predetermined production quality, and the like.
It should be understood that the foregoing examples of the present invention are merely illustrative of the present invention and are not intended to limit the present invention to the specific embodiments thereof. Any modification, equivalent replacement, improvement, etc. that comes within the spirit and principle of the claims of the present invention should be included in the protection scope of the claims of the present invention.
Claims (6)
1. An automatic solid workpiece density measuring device, comprising:
the device comprises a dry weighing station and a wet weighing station, wherein the dry weighing station is used for carrying out dry weighing on a solid workpiece, the wet weighing station is used for carrying out wet weighing on the solid workpiece, and the wet weighing station is arranged below the dry weighing station and in a water tank;
the conveying module is provided with a bracket for supporting the solid workpiece to be weighed and conveying the solid workpiece back and forth among the starting position, the dry weighing station and the conveying module; the conveying module is used for conveying the solid workpiece from the conveying module to the wet weighing station or conveying the solid workpiece from the wet weighing station back to the conveying module;
the dry weighing station is provided with a first bearing module and a weighing measurement module, a second bearing module is arranged in a water tank of the wet weighing station, and the first bearing module and the second bearing module are connected with each other and are used for bearing a solid workpiece and transmitting the gravity of the solid workpiece to the same weighing measurement module; the weighing measurement module is arranged below the first bearing module and is used for acquiring the weight of a fixed workpiece placed on the first bearing module/the second bearing module and calculating the density of the solid workpiece; a connecting piece is arranged between the first bearing module and the second bearing module, and the weight loaded on the second bearing module is transferred to the second bearing module through the connecting piece, so that weighing and density calculation are realized through the same weighing and measuring module;
the dry type weighing station, the carrying module and the wet type weighing station are sequentially arranged in the box body from top to bottom, a feeding window is arranged on the box body, the carrying module is arranged in the box body and moves in or out on the feeding window for carrying solid workpieces, and a wind shielding curtain is arranged on the feeding window;
the carrying module comprises a sliding rail mechanism and a supporting frame arranged on the sliding rail mechanism, wherein the supporting frame is used for supporting the solid workpiece, and the sliding rail mechanism drives the supporting frame to move up and down so as to carry the solid workpiece from the carrying module to the second bearing module or carry the solid workpiece from the second bearing module back to the carrying module.
2. The automatic solid workpiece density measuring device according to claim 1, wherein a plurality of mutually-separated supporting claws are arranged on the first supporting module/the second supporting module, a plurality of mutually-separated supporting plates are arranged on the bracket, and mutually-separated supporting claws are arranged on the supporting frame; the supporting claw, the supporting plate and the supporting claw are respectively arranged at intervals so as to transfer the solid workpiece.
3. The automatic solid workpiece density measuring device according to claim 2, wherein the supporting claw, the supporting plate and the supporting claw are respectively provided with a concave position for supporting and fixing the solid workpiece.
4. The automatic solid workpiece density measuring device according to claim 1, wherein the conveying module comprises a transverse conveying module for driving the bracket to transversely move and a longitudinal conveying module for driving the bracket to longitudinally move;
the transverse transportation module comprises a first electric sliding block and a first guide rod mechanism, the bracket is arranged on the first electric sliding block, and the first electric sliding block transversely moves on the first guide rod mechanism so as to drive the bracket to transversely move;
the longitudinal transportation module comprises a second electric sliding block and a second guide rod mechanism, wherein the second electric sliding block longitudinally moves on the second guide rod mechanism, and the second electric sliding block is arranged below the first guide rod mechanism and is used for supporting and driving the first guide rod mechanism to longitudinally move so as to drive the solid workpiece to longitudinally move.
5. The automatic solid workpiece density measuring device according to claim 2, wherein a third electric slider is further arranged at the bottom of the bracket for driving the bracket to move back and forth on the first electric slider so as to move the bracket into or out of the first bearing module/support frame.
6. An automatic solid workpiece density measuring method, which is used for the automatic solid workpiece density measuring device according to any one of claims 1 to 5, and comprises the following working steps:
s1: placing a solid workpiece to be measured on a bracket of a transport module;
s2: the conveying module moves to convey the solid workpiece to the dry weighing station;
s3: the first bearing module of the dry weighing station supports the solid workpiece, and the weighing measuring module obtains the dry weight of the fixed workpiece;
s4: after the dry weighing is completed, the transportation module moves again, the solid workpiece on the first bearing module is supported, and then the solid workpiece is transported to the transportation module;
s5: the carrying module is used for supporting the solid workpiece and carrying the solid workpiece to a second supporting module of the wet weighing workpiece, the second supporting module is connected with the first supporting module so as to transfer the wet weight of the solid workpiece to the first supporting workpiece, and the weighing measuring module is used for detecting the wet weight of the solid workpiece and calculating the density of the solid workpiece;
s6: after the wet weighing is completed, the carrying module moves again, the solid workpiece on the second bearing module is lifted up, and then the solid workpiece is carried to the transporting module;
s7: the conveying module supports the solid workpiece and conveys the solid workpiece back to the starting position.
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| CN107017316B (en) * | 2017-04-19 | 2019-01-04 | 苏州迈为科技股份有限公司 | A kind of full-automatic on-line weighting system of solar battery sheet and method |
| CN207557045U (en) * | 2017-07-13 | 2018-06-29 | 谭天睿 | A kind of water surveys pellet density measuring flume |
| CN108344476A (en) * | 2018-02-01 | 2018-07-31 | 南京航空航天大学 | A kind of system integrating formula coal sample precision weighing system and method based on PC machine |
| CN213022727U (en) * | 2020-08-03 | 2021-04-20 | 青岛信号栅精密仪器有限公司 | Dry-wet method density measuring device |
| CN216389405U (en) * | 2021-12-10 | 2022-04-26 | 宣城先进光伏技术有限公司 | Automatic weighing machine |
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