CN212099568U - High-precision quantitative filling scale without hopper - Google Patents
High-precision quantitative filling scale without hopper Download PDFInfo
- Publication number
- CN212099568U CN212099568U CN202020833165.8U CN202020833165U CN212099568U CN 212099568 U CN212099568 U CN 212099568U CN 202020833165 U CN202020833165 U CN 202020833165U CN 212099568 U CN212099568 U CN 212099568U
- Authority
- CN
- China
- Prior art keywords
- clamping
- connecting rod
- fixing plate
- bag
- rack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Basic Packing Technique (AREA)
Abstract
A bucket-free high-precision quantitative filling scale comprises an upright rack, wherein a material bin for containing materials and a feeding mechanism for discharging the materials downwards from the material bin are arranged at the top of the rack, a bag clamping mechanism for clamping packaging bags is arranged below the feeding mechanism, and a control system for controlling the feeding mechanism and the bag clamping mechanism is further arranged on the rack; the cantilever beam type weighing sensor is connected between the bag clamping mechanism and the rack; the bag clamping mechanism comprises a base, the front end of the base is provided with a pair of cantilevers which are symmetrically arranged left and right and extend forwards, and a first clamping device and a second clamping device are respectively arranged between the front end and the rear end of each cantilever; the bag clamping mechanism further comprises a stepping motor arranged on the base, a wheel disc arranged on one side of the base, a first connecting rod and a second connecting rod, wherein the wheel disc is driven to rotate by the stepping motor, and the first connecting rod and the second connecting rod are respectively connected to the wheel disc through the first clamping plate and the second clamping plate. A stepping motor is adopted to drive the bag clamping mechanism so as to avoid the problem that the driving mechanism is frozen.
Description
Technical Field
The utility model relates to a material filling technical field, specificly a there is not high accuracy quantitative filling balance of fighting.
Background
The filling scale is a quantitative packaging weighing mechanism, and is widely applied to packaging industries of food, medicine, industrial raw materials, feed, medicine and the like.
The filling scale in the prior art mostly adopts a gravity feeding mode, materials enter a weighing hopper under the action of gravity to be weighed, and the materials in the weighing hopper are discharged for filling after the weighing is finished, so that the purpose of quantitative filling is achieved. For aqueous materials, the disadvantages with this approach are: the material need be followed the feed bin and discharged through the weighing hopper, can not avoid material repeated friction, easily causes the moisture loss of material at the in-process of weighing even to the excessive damage of material epidermis.
To solve the above problems, a hopper-less scale has been proposed in the industry as a targeted solution for filling of aqueous materials. The non-bucket scale is a quantitative packaging weighing mechanism without a weighing bucket, if the Chinese utility model with the bulletin number of CN206141880U, the non-bucket quantitative packaging scale comprises a weighing mechanism, and the bulletin number of CN206358391U, the Chinese utility model relates to a feed non-bucket packaging scale, the basic structure of which comprises a feeding mechanism, a bag clamping mechanism, a weighing mechanism and a control system. The bag clamping mechanism is supported and suspended by the weighing mechanism, the packaging bags are sleeved on the bag clamping mechanism, and the feeding mechanism is controlled by the control system to fill materials into the packaging bags, so that the packaging bags are synchronously weighed and metered when the materials are filled into the packaging bags.
However, the applicant researches and discovers that a bag clamping mechanism is mostly driven by a pneumatic mechanism without a bucket scale in the prior art, so that the bag clamping mechanism is easy to freeze in winter and the like, which causes inconvenience in use; and then, the feeding mechanism adopted by the non-bucket scale in the prior art has limited control precision, most of the materials are quickly fed to be close to the preset weight at the initial stage, then the feeding speed is reduced to be gradually close to the preset weight, if the final deviation is too large, the materials can be fed only by manual intervention, and the filling is not accurate and quick enough.
Disclosure of Invention
In order to compensate the above-mentioned not enough of prior art, the utility model provides a there is not high accuracy quantitative filling balance of fighting, it has adopted following technical scheme.
A bucket-free high-precision quantitative filling scale comprises an upright rack, wherein a material bin for containing materials is arranged at the top of the rack, a feeding mechanism which is positioned on the front side of the rack and used for discharging the materials downwards from the material bin is arranged on the bottom surface of the material bin, a bag clamping mechanism used for clamping a packaging bag is arranged below the feeding mechanism, and a control system used for controlling the feeding mechanism and the bag clamping mechanism is also arranged on the rack; the front end and the rear end of an elastic body of the cantilever type weighing sensor are respectively fixed on the bag clamping mechanism and the rack, and a resistance strain gauge of the cantilever type weighing sensor feeds back an electric signal to a control system;
the bag clamping mechanism comprises a base, the rear end of the base is fixed at the front end of an elastic body of the cantilever beam type weighing sensor, the front end of the base is provided with a pair of cantilevers which are symmetrically arranged left and right and extend forwards, and a first clamping device and a second clamping device are respectively arranged between the front end and the rear end of each cantilever;
the first clamping device comprises a first fixing plate fixed between the front ends of the cantilevers and a first clamping plate arranged behind the first fixing plate, the upper edge of the first clamping plate is rotatably connected with the cantilevers, and the lower edge of the first clamping plate is matched with the first fixing plate in the horizontal direction to form a clamping structure;
the second clamping device comprises a second fixing plate fixed between the front ends of the cantilevers and a second clamping plate arranged in front of the second fixing plate, the upper edge of the second clamping plate is rotatably connected with the cantilevers, and the lower edge of the second clamping plate is matched with the second fixing plate in the horizontal direction to form a clamping structure;
the bag clamping mechanism also comprises a stepping motor arranged on the base, a wheel disc arranged on one side of the base, a first connecting rod and a second connecting rod, wherein the wheel disc is driven by the stepping motor to rotate; the front end of the first connecting rod is hinged with the waist of the first clamping plate, and the rear end of the first connecting rod is hinged with the wheel edge of the wheel disc along the rear side; the front end of the second connecting rod is hinged with the waist of the second clamping plate, the rear end of the second connecting rod is hinged with the wheel of the wheel disc along the front side, and the hinged point of the second connecting rod and the hinged point of the first connecting rod on the wheel disc are located on the same diameter of the wheel disc.
Furthermore, a pair of first rubber blocks arranged at intervals are installed on the rear wall of the first fixing plate, and a pair of second rubber blocks arranged at intervals are installed on the front wall of the second fixing plate.
Furthermore, the feeding mechanism comprises a gravity type feeding device and a vibration disc feeding device which are arranged at the bottom of the storage bin, and the gravity type feeding device and the vibration disc feeding device are controlled by a control system; the feeding mechanism further comprises a receiving hopper positioned below the gravity type feeding device and the vibration disc feeding device, and materials discharged by the gravity type feeding device or the vibration disc feeding device are downwards loaded into a packaging bag clamped on the bag clamping mechanism through the receiving hopper.
Furthermore, the cantilever is shaped like a plate, the lower edge of the cantilever is provided with an M-shaped opening, and the first fixing plate and the second fixing plate are respectively positioned at the front edge, the rear edge and the edge of the M-shaped opening.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the stepping motor is adopted to drive the bag clamping mechanism so as to avoid the problem of freezing of the driving mechanism, and the vibration disc feeding device is adopted to perform pulse type self-checking material supplement on the packaging bags with the weight close to the preset weight, so that the filling is more accurate and rapid.
The present invention will be further described with reference to the drawings and the detailed description.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic sectional structure diagram of the present invention.
Fig. 3 is a schematic structural view of the bag clamping mechanism of the present invention.
Detailed Description
As shown in fig. 1 to 3, a bucket-free high-precision quantitative filling scale comprises an upright frame 1, a bin 2 for containing materials is arranged at the top of the frame 1, a feeding mechanism 3 which is positioned at the front side of the frame 1 and discharges the materials downwards from the bin 2 is arranged at the bottom of the bin 2, a bag clamping mechanism 4 for clamping a packaging bag is arranged below the feeding mechanism 3, and a control system 5 for controlling the feeding mechanism 3 and the bag clamping mechanism 4 is arranged on the frame 1; the bag clamping device is characterized by further comprising a cantilever beam type weighing sensor 6 connected between the bag clamping mechanism 4 and the rack 1, the front end and the rear end of an elastic body of the cantilever beam type weighing sensor 6 are respectively fixed to the bag clamping mechanism 4 and the rack 1, and a resistance strain gauge of the cantilever beam type weighing sensor 6 feeds back an electric signal to the control system 5;
the bag clamping mechanism 4 comprises a base 41, the rear end of the base 41 is fixed at the front end of an elastic body of the cantilever beam type weighing sensor 6, the front end of the base 41 is provided with a pair of cantilevers 42 which are symmetrically arranged left and right and extend forwards, and a first clamping device 43 and a second clamping device 44 are respectively arranged between the front end and the rear end of each cantilever 42;
the first clamping device 43 comprises a first fixing plate 431 fixed between the front ends of the suspension arms 42, and a first clamping plate 432 arranged behind the first fixing plate 431, wherein the upper edge of the first clamping plate 432 is rotatably connected with the suspension arms 42, and the lower edge of the first clamping plate 432 is matched with the first fixing plate 431 in the horizontal direction to form a clamping structure;
the second clamping device 44 includes a second fixing plate 441 fixed between the front ends of the suspension arms 42, and a second clamping plate 442 disposed in front of the second fixing plate 441, wherein the upper edge of the second clamping plate 442 is rotatably connected to the suspension arms 42, and the lower edge of the second clamping plate 442 is horizontally matched with the second fixing plate 441 to form a clamping structure;
the bag clamping mechanism 4 further comprises a stepping motor 45 mounted on the base 41, a wheel disc 46 arranged on one side of the base 41, the wheel disc 46 is driven by the stepping motor 45 to rotate, and the bag clamping mechanism further comprises a first connecting rod 47 and a second connecting rod 48 which respectively connect the first clamping plate 432 and the second clamping plate 442 to the wheel disc 46; the front end of the first link 47 is hinged with the waist of the first clamping plate 432, and the rear end of the first link 47 is hinged with the wheel edge rear side of the wheel disc 46; the front end of the second link 48 is hinged to the waist of the second bridge 442, the rear end of the second link 48 is hinged to the wheel of the wheel disc 46 along the front side, and the hinge point is located on the same diameter of the wheel disc 46 as the hinge point of the first link 47 on the wheel disc 46.
In the bucket-free high-precision quantitative filling scale in the technical scheme, the stepping motor 45 drives the first connecting rod 47 and the second connecting rod 48 to move reversely through the wheel disc 46, so that the first clamping plate 432 and the second clamping plate 442 are respectively matched with the first fixing plate 431 and the second fixing plate 441 to clamp the mouth of the packaging bag; the wheel disc 46, the first connecting rod 47 and the second connecting rod 48 form a connecting rod mechanism driven by the stepping motor 45, the problem of icing which cannot be overcome when a pneumatic mechanism is adopted for driving in the prior art is effectively avoided, the wheel disc can still be continuously used aiming at extreme low temperature in northern cold regions, and no influence is guaranteed all the year round.
Further, a pair of first rubber blocks 430 arranged at intervals are mounted on the rear wall of the first fixing plate 431, and a pair of second rubber blocks 440 arranged at intervals are mounted on the front wall of the second fixing plate 441. Step motor 45 control realizes reverse motion through first connecting rod 47 of rim plate 46 drive, second connecting rod 48, and then makes first splint 432, second splint 442 cooperate first block of rubber 430, second block of rubber 440 respectively to realize the sack centre gripping of wrapping bag, and the centre gripping is effectual, and difficult accident drops.
Further, the feeding mechanism 3 comprises a gravity type feeding device 31 and a vibration disc feeding device 32 which are arranged at the bottom of the storage bin, and the gravity type feeding device 31 and the vibration disc feeding device 32 are controlled by the control system 5; the feeding mechanism 3 further comprises a receiving hopper 33 positioned below the gravity type feeding device 31 and the vibration disc feeding device 32, and materials discharged by the gravity type feeding device 31 or the vibration disc feeding device 32 are downwards loaded into the packaging bags clamped on the bag clamping mechanism 4 through the receiving hopper 33. According to the technical scheme, the gravity type feeding device 31 is controlled by the control system 5, so that fast, medium and slow multi-grade feeding with the same effect as that of the prior art is realized, and the preset filling weight can be quickly approached; after the preset filling weight is approached, the gravity type feeding device 31 is stopped, the vibration disc feeding device 32 is controlled through the control system 5, pulse type self-checking feeding is carried out on the packaging bags approaching the preset weight by the vibration disc feeding device 32, more controllable accurate feeding is realized, and filling is more accurate and rapid.
Further, the cantilever 42 is shaped like a plate, and has an M-shaped opening 421 at its lower edge, and the first fixing plate 431 and the second fixing plate 441 are respectively located at the front, rear and edge of the M-shaped opening 421. The middle area of the M-shaped opening 421 may constitute a material barrier to help prevent material from splashing.
For those skilled in the art, the protection scope of the present invention is not limited to the details of the above-described exemplary embodiments, and all the embodiments with variations within the scope and meaning equivalent to the elements of the present invention should be included in the present invention without departing from the spirit or essential characteristics of the present invention.
Claims (4)
1. A bucket-free high-precision quantitative filling scale comprises an upright rack, wherein a material bin for containing materials is arranged at the top of the rack, a feeding mechanism which is positioned on the front side of the rack and used for discharging the materials downwards from the material bin is arranged on the bottom surface of the material bin, a bag clamping mechanism used for clamping a packaging bag is arranged below the feeding mechanism, and a control system used for controlling the feeding mechanism and the bag clamping mechanism is also arranged on the rack; the front end and the rear end of an elastic body of the cantilever type weighing sensor are respectively fixed on the bag clamping mechanism and the rack, and a resistance strain gauge of the cantilever type weighing sensor feeds back an electric signal to a control system; the method is characterized in that:
the bag clamping mechanism comprises a base, the rear end of the base is fixed at the front end of an elastic body of the cantilever beam type weighing sensor, the front end of the base is provided with a pair of cantilevers which are symmetrically arranged left and right and extend forwards, and a first clamping device and a second clamping device are respectively arranged between the front end and the rear end of each cantilever;
the first clamping device comprises a first fixing plate fixed between the front ends of the cantilevers and a first clamping plate arranged behind the first fixing plate, the upper edge of the first clamping plate is rotatably connected with the cantilevers, and the lower edge of the first clamping plate is matched with the first fixing plate in the horizontal direction to form a clamping structure;
the second clamping device comprises a second fixing plate fixed between the front ends of the cantilevers and a second clamping plate arranged in front of the second fixing plate, the upper edge of the second clamping plate is rotatably connected with the cantilevers, and the lower edge of the second clamping plate is matched with the second fixing plate in the horizontal direction to form a clamping structure;
the bag clamping mechanism also comprises a stepping motor arranged on the base, a wheel disc arranged on one side of the base, a first connecting rod and a second connecting rod, wherein the wheel disc is driven by the stepping motor to rotate; the front end of the first connecting rod is hinged with the waist of the first clamping plate, and the rear end of the first connecting rod is hinged with the wheel edge of the wheel disc along the rear side; the front end of the second connecting rod is hinged with the waist of the second clamping plate, the rear end of the second connecting rod is hinged with the wheel of the wheel disc along the front side, and the hinged point of the second connecting rod and the hinged point of the first connecting rod on the wheel disc are located on the same diameter of the wheel disc.
2. The bucket-free high-precision quantitative filling scale according to claim 1, wherein: a pair of first rubber blocks arranged at intervals are installed on the rear wall of the first fixing plate, and a pair of second rubber blocks arranged at intervals are installed on the front wall of the second fixing plate.
3. The bucket-free high-precision quantitative filling scale according to claim 1, wherein: the feeding mechanism comprises a gravity type feeding device and a vibration disc feeding device which are arranged at the bottom of the storage bin, and the gravity type feeding device and the vibration disc feeding device are controlled by a control system; the feeding mechanism further comprises a receiving hopper positioned below the gravity type feeding device and the vibration disc feeding device, and materials discharged by the gravity type feeding device or the vibration disc feeding device are downwards loaded into a packaging bag clamped on the bag clamping mechanism through the receiving hopper.
4. The bucket-free high-precision quantitative filling scale according to claim 1, wherein: the cantilever is shaped like a plate, the lower edge of the cantilever is provided with an M-shaped opening, and the first fixing plate and the second fixing plate are respectively positioned at the front edge, the rear edge and the edge of the M-shaped opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020833165.8U CN212099568U (en) | 2020-05-19 | 2020-05-19 | High-precision quantitative filling scale without hopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020833165.8U CN212099568U (en) | 2020-05-19 | 2020-05-19 | High-precision quantitative filling scale without hopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212099568U true CN212099568U (en) | 2020-12-08 |
Family
ID=73622435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020833165.8U Active CN212099568U (en) | 2020-05-19 | 2020-05-19 | High-precision quantitative filling scale without hopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212099568U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665860A (en) * | 2021-09-09 | 2021-11-19 | 界首市粮食机械有限责任公司 | Metering sack filling machine convenient to unload |
| CN116280367A (en) * | 2023-05-18 | 2023-06-23 | 江苏良友正大股份有限公司 | Automatic biomass particle weighing and filling equipment of screening ejection of compact |
-
2020
- 2020-05-19 CN CN202020833165.8U patent/CN212099568U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665860A (en) * | 2021-09-09 | 2021-11-19 | 界首市粮食机械有限责任公司 | Metering sack filling machine convenient to unload |
| CN116280367A (en) * | 2023-05-18 | 2023-06-23 | 江苏良友正大股份有限公司 | Automatic biomass particle weighing and filling equipment of screening ejection of compact |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212099568U (en) | High-precision quantitative filling scale without hopper | |
| CN201347201Y (en) | Lifting bag-type weighing packaging device for superfine powdery materials | |
| US5979512A (en) | Top-off and weighing apparatus for filling bags | |
| CN202770699U (en) | Lever-type constant-tension loading device | |
| CN104608947B (en) | A kind of dosing system of granule materials | |
| CN202219244U (en) | Automatic weighing, separating and unloading device | |
| US3853190A (en) | Apparatus for weighing draughts of bulk material | |
| CN102935934A (en) | Loading frame with turnover device | |
| CN106892162B (en) | Secondary feeding and weighing device and method for pure electric shaping and packaging machine | |
| CN207308366U (en) | A kind of weight of material sorting unit for being less than 1kg applied to weight | |
| CN203865023U (en) | Precise micro powder packing machine | |
| CN214325415U (en) | Bag falling and supporting mechanism for valve port scale | |
| CN103935536A (en) | Vibrating type packing scale | |
| CN211309123U (en) | Automatic charging device for crops | |
| CN103496456A (en) | Valve port bag packing machine | |
| CN211108120U (en) | Split charging and weighing equipment for traditional Chinese medicine decoction pieces | |
| CN103350771A (en) | Bag clamping and weighing mechanism | |
| CN210558040U (en) | Packaging and stacking mechanical arm | |
| CN219424976U (en) | Weighing and screening device for bagged pickled Chinese cabbage | |
| CN203876999U (en) | Vibration type packaging scale | |
| CN111120474A (en) | Automatic sticking device for balance block | |
| CN112407362A (en) | Automatic change tealeaves packagine machine | |
| CN217930494U (en) | Electronic scale with protective structure | |
| CN205971906U (en) | Simple and easy weighing device of melon seed | |
| CN218885482U (en) | Sampling device for bulk grain vehicle in granary |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210415 Address after: 110000 No.21 Xinghu street, Shenbei New District, Shenyang City, Liaoning Province (1-1-3) Patentee after: Shenyang Deheng Automation Co.,Ltd. Address before: 110000 no.16-6, Huishan street, Shenbei New District, Shenyang City, Liaoning Province Patentee before: Shenyang QingChuang Machinery Equipment Co.,Ltd. |
|
| TR01 | Transfer of patent right |