CN213209215U - Material cake weighing device in high-precision automatic discharging machine - Google Patents
Material cake weighing device in high-precision automatic discharging machine Download PDFInfo
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- CN213209215U CN213209215U CN202021455764.7U CN202021455764U CN213209215U CN 213209215 U CN213209215 U CN 213209215U CN 202021455764 U CN202021455764 U CN 202021455764U CN 213209215 U CN213209215 U CN 213209215U
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Abstract
The utility model discloses a material cake weighing device in a high-precision automatic discharging machine, which comprises a material cake transmission track and a material cake bracket for placing material cakes, wherein a material cake detection device is arranged between the material cake transmission track and the material cake bracket; the material cake detection device comprises a connecting bracket, a Hall sensor, a fixed magnetic induction magnetic sheet and a material cake tray; the connecting bracket is fixedly connected with one side of the material cake transmission track; the Hall sensor is vertically fixed on the connecting bracket; the fixed magnetic induction magnetic sheet is fixed below the material cake tray; a guide pillar is arranged between the material cake tray and the connecting bracket; a spring is arranged on the guide post; one end of the spring is fixed on the bottom surface of the material cake tray, and the other end of the spring is fixed on the upper end surface of the connecting support. The utility model discloses a hall sensor responds to the weight of the mode direct measurement cake of principle detection cake quality to the numerical value of actual detection numerical value and normal product is compared, judges whether the cake is the certified products. Therefore, the packaging quality of the chip is greatly improved.
Description
Technical Field
The utility model relates to a material cake weighing device in automatic discharging machine of high accuracy belongs to the mechanical detection equipment field.
Background
When the existing automatic material cake discharging machine for equipment detects that the corner defect or the weight of a material cake is insufficient, a mode of detecting the height of the material cake by a photoelectric sensor is mainly adopted, the material cake lower than the total height 2/3 of the material cake is regarded as residual material shortage, the equipment alarms to wait for an operator to take away, but the defect less than 1/3 cannot be detected, or the result cannot be measured when the corner defect part of the material cake is not in the detection range of the sensor. These all affect the final chip package result.
SUMMERY OF THE UTILITY MODEL
Problem to above-mentioned prior art exists, the utility model provides a cake weighing device in automatic discharging machine of high accuracy can reach the effect of measuring and detecting sample weight to the numerical value of actual detection numerical value and normal product is compared, judges whether the cake is qualified product, improves the packaging quality of chip greatly.
In order to realize the purpose, the utility model discloses a technical scheme is: a material cake weighing device in a high-precision automatic discharging machine comprises a material cake transmission rail and a material cake support for placing material cakes, wherein a material cake detection device for detecting whether the quality of the material cakes is qualified is arranged between the material cake transmission rail and the material cake support; the material cake detection device comprises a connecting bracket, a Hall sensor, a fixed magnetic induction magnetic sheet and a material cake tray; the connecting bracket is fixedly connected with one side of the material cake transmission track; the Hall sensor is vertically fixed on the connecting bracket; the fixed magnetic induction magnetic sheet is fixed below the material cake tray; a guide pillar is arranged between the material cake tray and the connecting bracket; a spring is arranged on the guide post; one end of the spring is fixed on the bottom surface of the material cake tray, and the other end of the spring is fixed on the upper end surface of the connecting support.
Furthermore, a vertical connecting plate for fixedly connecting with the Hall sensor is arranged on the connecting support; and the Hall sensor is fixedly connected with the vertical connecting plate through a bolt.
Furthermore, the number of the guide posts is two, and the two guide posts are respectively arranged on two sides of the Hall sensor.
Further, the fixed magnetic induction magnetic sheet is vertically fixed below the material cake tray and arranged in parallel with the Hall sensor.
The utility model has the advantages that: whether the material cake is incomplete or not is detected by adopting a mode of detecting the quality of the material cake by a Hall sensor. The mechanism is inserted into a track for conveying the material cakes, the weight information of the material cakes is detected on the sensing device, and after comparison, whether the material cakes are qualified or not is judged. When the material cake is pushed to the tray of the device through the vibration track, the spring is pressed downwards due to the weight of the material cake, so that the height of the magnetic sheet is reduced, and the magnetic sheet is close to the Hall sensor. The output current of the hall sensor changes with the change of the surface magnetic flux, and the number is proportional to the magnetic flux. The magnitude of the current thus detected is proportional to the weight of the cake. And judging whether the material cake is incomplete or not through a preset standard comparison value. The detection device has the advantages of high detection speed, high accuracy and convenience in setting. Through the practical use, the measuring effect can be achieved.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a schematic front view of the cake detection device of the present invention;
fig. 4 is a three-dimensional schematic diagram of the structure of the material cake detecting device of the present invention.
In the figure: 1. the device comprises a material cake transmission rail, 2, a material cake support, 3, a material cake detection device, 31, a connecting support, 311, a vertical connecting plate, 32, a Hall sensor, 33, a fixed magnetic induction magnetic sheet, 34, a material cake tray, 4, a guide pillar, 5 and a spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
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, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
Referring to fig. 1 and 2, the material cake weighing device in the high-precision automatic discharging machine comprises a material cake transmission rail 1 and a material cake support 2 for placing material cakes, wherein a material cake detection device 3 is connected between the material cake transmission rail 1 and the material cake support 2, the material cake transmission rail 1 is in direct vibration type transmission, and rubber cakes are sequentially arranged and conveyed to the material cake detection device 3 in a vibration screening mode for detection.
Referring to fig. 3 and 4, the material cake detecting device 3 comprises a connecting bracket 31, a hall sensor 32, a fixed magnetic induction magnetic sheet 33 and a material cake tray 34; the connecting bracket 31 is fixedly connected with one side of the material cake transmission track 1; the hall sensor 32 is vertically fixed on the connecting bracket 31; the fixed magnetic induction magnetic sheet 33 is fixed below the material cake tray 34;
a guide post 4 is arranged between the cake tray 34 and the connecting bracket 31; a spring 5 is arranged on the guide post 4; guide pillar 4 structure specifically is the tubulose main part, and its one end and cake tray 34 fixed connection, the flexible up end that enters linking bridge 31 of the other end specifically is through opening on linking bridge 31 has an annular, and the groove width of this annular is the wall thickness of guide pillar 4, and the sufficient guide pillar 4 body of annular degree of depth can reciprocate along the annular. When not detecting, spring 5 is in the uncompressed state this moment, when needs detect the cake, receives the influence of cake weight this moment, and the downward compression of cake tray 34 for spring 5 receives the compression, and the downward motion of cake tray 34, guide pillar 4 structure along the annular groove downstream of opening on the linking bridge 31, thereby can realize overall structure's motion.
One end of the spring 5 is fixed to the bottom surface of the cake tray 34, and the other end is fixed to the upper end surface of the connecting bracket 31. The connecting bracket 31 is provided with a vertical connecting plate 311 which is fixedly connected with the Hall sensor 32; the hall sensor 31 is fixedly connected with the vertical connecting plate 311 through bolts. The guide posts 4 are provided with two, arrange respectively in hall inductor 32's both sides for play a supporting role to whole tray, the structure is more stable, and fixed magnetic induction magnetic sheet 33 is vertical to be fixed under the cake tray 34, and fixed magnetic induction magnetic sheet 33 and hall inductor 32 parallel arrangement move down through fixed magnetic induction magnetic sheet 33, thereby produce the reaction with hall inductor 32, and hall inductor 32's output current changes along with the change of surperficial magnetic flux.
A hall effect sensor, also known as a hall sensor, is a transducer that converts a changing magnetic field into a change in output voltage. Hall sensors are used above all for measuring magnetic fields and, in addition, for measuring physical quantities which generate and influence magnetic fields, e.g. in proximity switches, hall sensors, position measuring, rotational speed measuring and current measuring devices
The hall sensor 32 is based on the magnetic balance hall principle, and according to the hall effect principle, a current Ic is introduced from the control current end of the hall element, and a magnetic field with a magnetic field strength of B is applied in the normal direction of the plane of the hall element, so that a potential VH, called hall potential, is generated in the direction perpendicular to the current and the magnetic field (i.e. between the hall output ends), and the magnitude of the potential VH is proportional to the control current I.
Detection implementation principle: when the cake is pushed onto the cake tray 34 of the apparatus through the cake transfer rail 1, the spring 5 is pressed down due to the weight of the cake, thereby lowering the height of the fixed magnetic-inductive magnetic sheet 33, and lowering the height to approach the hall sensor 32. The output current of the hall sensor 32 changes with the change of the surface magnetic flux, and this number is proportional to the magnetic flux. The magnitude of the current thus detected is in fact proportional to the weight of the cake. And judging whether the material cake is incomplete or not through a preset standard comparison value. If the quality does not meet the standard, the materials are screened from the material and placed, and qualified products are placed on the material cake support 2 in a clamping mode. The detection method has the advantages of high detection speed, high accuracy and convenience in setting. Through the practical use, the measuring effect can be achieved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (4)
1. A material cake weighing device in a high-precision automatic discharging machine comprises a material cake transmission rail (1) and a material cake support (2) for placing material cakes, and is characterized in that a material cake detection device (3) for detecting whether the quality of the material cakes is qualified is arranged between the material cake transmission rail (1) and the material cake support (2); the material cake detection device (3) comprises a connecting bracket (31), a Hall sensor (32), a fixed magnetic induction magnetic sheet (33) and a material cake tray (34); the connecting bracket (31) is fixedly connected with one side of the material cake transmission track (1); the Hall sensor (32) is vertically fixed on the connecting bracket (31); the fixed magnetic induction magnetic sheet (33) is fixed below the material cake tray (34); a guide post (4) is arranged between the cake tray (34) and the connecting bracket (31); a spring (5) is arranged on the guide post (4); one end of the spring (5) is fixed on the bottom surface of the material cake tray (34), and the other end of the spring is fixed on the upper end surface of the connecting support (31).
2. A material cake weighing device in a high-precision automatic discharging machine as claimed in claim 1, wherein a vertical connecting plate (311) for fixedly connecting with a Hall sensor (32) is arranged on the connecting bracket (31); the Hall sensor (32) is fixedly connected with the vertical connecting plate (311) through bolts.
3. A material cake weighing device in a high precision automatic discharging machine, according to claim 1, characterized in that the guide posts (4) are provided with two, respectively arranged at both sides of the Hall sensor (32).
4. A material cake weighing device in a high precision automatic discharging machine, according to claim 1, characterized in that the fixed magnetic induction magnetic sheet (33) is vertically fixed under the material cake tray (34), and the fixed magnetic induction magnetic sheet (33) is arranged in parallel with the Hall sensor (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021455764.7U CN213209215U (en) | 2020-07-22 | 2020-07-22 | Material cake weighing device in high-precision automatic discharging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021455764.7U CN213209215U (en) | 2020-07-22 | 2020-07-22 | Material cake weighing device in high-precision automatic discharging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213209215U true CN213209215U (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021455764.7U Active CN213209215U (en) | 2020-07-22 | 2020-07-22 | Material cake weighing device in high-precision automatic discharging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213209215U (en) |
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2020
- 2020-07-22 CN CN202021455764.7U patent/CN213209215U/en active Active
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