CN212766857U

CN212766857U - Weighing equipment for packing granular materials

Info

Publication number: CN212766857U
Application number: CN202021475282.8U
Authority: CN
Inventors: 毛金成
Original assignee: Suzhou Bofeite New Material Science & Technology Co ltd
Current assignee: Suzhou Bofeite New Material Science & Technology Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-03-23
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses a weighing-appliance for granular material packing, include: the storage mechanism is arranged on one side of the weighing mechanism and used for conveying materials into the weighing mechanism to be packaged and weighed; the utility model feeds materials in a vibration mode, the discharge port faces to two directions, and the two sides feed materials independently, so that the coarse feeding and the fine feeding are realized respectively, and the packaging efficiency is improved; and the movement of the storage barrel is realized through the matching of the conveying mechanism. Cooperation storage mechanism provides the material supply, avoids frequently reinforced in order to influence packing efficiency. The guide portion adopts tubular structure to set up the opening and closing of cover plate in order to realize the guide portion at the tip, the ingenious quick assembly disassembly who adopts magnet to realize the cover plate.

Description

Weighing equipment for packing granular materials

Technical Field

The utility model relates to a weighing-appliance for granular material packing.

Background

In the chemical field, some chemical agents are granular or powdery in final finished products, and need to be packaged, and each package has standard quality; the existing method is to carry out weighing and packaging in a manual packaging mode; the workman puts the storage vat on the electronic scale promptly, then pours the material into the storage vat in, observes the electronic scale figure simultaneously, when reaching appointed numerical value, stops reinforced. By the method, the mass error of each storage barrel is large; and the packing efficiency is low.

SUMMERY OF THE UTILITY MODEL

To the defect that prior art exists above, the utility model discloses a main aim at overcomes prior art's weak point, discloses a weighing equipment for granular material packing, include: the storage mechanism is arranged on one side of the weighing mechanism and is used for conveying materials into the weighing mechanism to be packaged and weighed;

the weighing mechanism comprises a first electronic scale, a second electronic scale, a first portal, a first material tray, a second material tray, a vibrator and an elastic element, the first tray and the second tray are obliquely and flexibly arranged on the first portal through an elastic part, the second material tray is positioned below the first material tray, the discharge end of the first material tray extends outwards to form a material guide part, the feed inlet of the second material tray is positioned below the discharge end of the first material tray, the vibrators are respectively arranged at the bottoms of the first material tray and the second material tray, the first electronic scale is arranged below the material guide part, the second electronic scale is arranged below the discharge hole of the second material tray, the first conveying mechanism is connected with the first electronic scale and the second electronic scale, and the second conveying mechanism is connected with the first electronic scale and a target position.

Furthermore, the discharge hole of the first material tray extends outwards to form a baffle, a first cover plate is arranged on the first material tray, one end of the first cover plate extends to the baffle, the other end of the first cover plate and the first material tray form a feed hole, and the material guide part protrudes out of the baffle and is fixed with the baffle.

Further, still include the cover plate, guide portion is the tubular structure, the tip of guide portion sets up magnet, the cover plate detachable adsorbs on magnet to close and open guide portion.

Further, the discharge hole of the first material tray is connected with the feed inlet of the second material tray through a flexible film.

Further, a second cover plate is arranged on the second material tray, and a feed port is formed in the rear end of the second cover plate and the rear end of the second material tray.

Further, the bottoms of the first tray and the second tray are corrugated structures.

Further, still include weighing sensor, weighing sensor sets up on the first portal, first charging tray passes through the elastic component sets up on the weighing sensor.

Further, storage mechanism includes storage hopper, third charging tray, support and vibrator, the storage hopper sets up on the support, the third charging tray sets up the bottom of storage hopper, and with the discharge gate of storage hopper is connected, the discharge gate of third charging tray is located the feed inlet top of first charging tray, the vibrator sets up on third charging tray and the storage hopper.

Further, still include the blotter, the support sets up on the blotter.

The utility model discloses the beneficial effect who gains:

the utility model feeds materials in a vibration mode, and the discharge port faces to two directions, and the two sides feed materials independently, thereby realizing coarse feeding and fine feeding respectively and improving the packaging efficiency; and the movement of the storage barrel is realized through the matching of the conveying mechanism. Cooperation storage mechanism provides the material supply, avoids frequently reinforced in order to influence packing efficiency. The guide portion adopts tubular structure to set up the opening and closing of cover plate in order to realize the guide portion at the tip, the ingenious quick assembly disassembly who adopts magnet to realize the cover plate.

Drawings

Fig. 1 is a schematic perspective view of a solid material packing and weighing apparatus of the present invention;

fig. 2 is a schematic structural diagram of a weighing mechanism of the solid material packing and weighing apparatus of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

fig. 4 is a cross-sectional view of a weighing mechanism of the solid material packing and weighing device of the present invention;

FIG. 5 is a schematic structural view of a first tray;

fig. 6 is a schematic structural view of a material storage mechanism for a solid material packing and weighing device of the present invention;

the reference numbers are as follows:

1. weighing machine constructs, 2, storage mechanism, 3, first conveying mechanism, 4, second conveying mechanism, 11, first electronic scale, 12, second electronic scale, 13, first portal, 14, first charging tray, 15, second charging tray, 16, elastic component, 17, guide portion, 18, baffle, 19, first apron, 21, storage hopper, 22, third charging tray, 23, support, 24, blotter, 30, second apron, 31, cover plate, 32, magnet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

A weighing apparatus for packaging granular materials, as shown in fig. 1, comprising: the automatic weighing device comprises a weighing mechanism 1, a storage mechanism 2, a first conveying mechanism 3 and a second conveying mechanism 4, wherein the storage mechanism 2 is arranged on one side of the weighing mechanism 1 and used for conveying materials into the weighing mechanism for packaging and weighing;

as shown in fig. 1 to 5, the weighing mechanism 1 includes a first electronic scale 11, a second electronic scale 12, a first gantry 13, a first tray 14, a second tray 15, a vibrator (not shown) and an elastic member 16, the first tray 14 and the second tray 15 are obliquely and flexibly arranged on the first gantry 13 through the elastic member 16, and the discharge ends of the first tray 14 and the second tray 15 are lower than the feed end; the second material tray 15 is located below the first material tray 14, a material guide portion 17 is arranged at a material outlet of the first material tray 14 in an outwards extending mode, a material inlet of the second material tray 15 is located below a material outlet of the first material tray 14, the vibrators are arranged at the bottoms of the first material tray 14 and the second material tray 15 respectively, the first electronic scale 11 is arranged below the material guide portion 17, the second electronic scale 12 is arranged below a material outlet of the second material tray 15, the first conveying mechanism 3 is connected with the first electronic scale 11 and the second electronic scale 12, and the second conveying mechanism 4 is connected with the first electronic scale 11 and a target position. A worker places an empty storage bucket on the second electronic scale 12 to be zero, then starts the vibrator on the first material tray 14, and stops working when the numerical value of the second electronic scale 12 reaches a set value; the staff moves the storage vat to first conveying mechanism 3 on, convey to being close to first electronic scale 12 end, the staff moves the storage vat on first electronic scale 12, the staff starts the vibrator of first charging tray 14 and carries out the pay-off, most material that first charging tray 14 sent falls into second charging tray 15, the less part falls into the storage vat on first electronic scale 11 through guide portion 17 in, carry out smart pay-off, after reaching appointed numerical value, the vibrator automatic stop work. Wherein, the first conveying mechanism 3 and the second conveying mechanism 4 can both adopt belt conveyors.

In one embodiment, as shown in fig. 1 to 5, a baffle 18 extends outward from the discharge hole of the first tray 14, a first cover plate 19 is disposed on the first tray 14, one end of the first cover plate extends to the baffle 18, the other end forms a feed hole with the first tray 14, and the material guiding portion 17 protrudes from the baffle 18 and is fixed with the baffle 18. The baffle plate 18, the first cover plate 19 and the first tray 14 form a discharge port which is opened downwards and plays a role in guiding materials. Preferably, a flexible film can be arranged at the discharge port and connected with the feed port of the second material tray 15, so that the materials sent out from the first material tray 14 are led into the second material tray 15.

In one embodiment, as shown in fig. 1 to 5, the device further includes a cover 31, and the material guiding portion 17 is a tubular structure. The magnet 32 is arranged at the end part of the material guiding part 17, the cover plate 31 is adsorbed at the end part of the material guiding part 17 by utilizing the magnet 32, and then the material guiding part 17 is closed, and when necessary, the cover plate 31 can be taken down. The cover 31 may be fitted to the end of the material guiding portion 17, may be in other shapes such as a circle and a square, and only needs to completely cover the port of the material guiding portion 17.

In one embodiment, as shown in fig. 1 to 5, a second cover plate 30 is disposed on the second tray 15, and the second cover plate 30 forms a feeding port with the rear end of the second tray 15 for receiving the material from the discharging port of the first tray 14. A discharge port is formed between the other end of the second cover plate 30 and the second tray 15. Preferably, the discharge port can be provided with a material guide bag, and when feeding, the material guide bag is placed into the material storage barrel to guide materials to enter the material storage barrel.

In one embodiment, as shown in fig. 1-5, the bottoms of the first tray 14 and the second tray 15 are corrugated; namely a triangular groove-shaped structure, so that the material accumulation is avoided, and the material is fed in a transition mode at once.

In one embodiment, as shown in FIGS. 1-5, the resilient member 16 is a spring.

In one embodiment, as shown in fig. 1-5, a load cell (not shown) is further included, the load cell being disposed on the first gantry 13, and the first tray 14 being disposed on the load cell via the resilient member 16. The mass of the first material tray 14 is monitored in real time through a weighing sensor so as to control the feeding speed of the material storage mechanism 2. Preferably, the weighing sensor sets up two, and second charging tray 15 passes through elastic component 16 and sets up on another weighing sensor to monitor the quality of second charging tray 15, and then remind the staff to need quickening the shake of first charging tray 14, in order to increase the pay-off to second charging tray 15. In addition, when the quality of the second material tray 15 is monitored to be too small, a warning lamp is used for reminding workers of material supplement.

In one embodiment, as shown in fig. 6, the storage mechanism 2 includes a storage hopper 21, a third tray 22, a bracket 23 and a vibrator, the storage hopper 21 is disposed on the bracket 23, the third tray 22 is disposed at the bottom of the storage hopper 21 and connected to the discharge port of the storage hopper 21, the discharge port of the third tray 22 is located above the feed port of the first tray 14, and the vibrator is disposed on the third tray 22 and the storage hopper 21. The third material tray 22 and the storage hopper 21 are driven by the vibrator to shake, so that the materials move towards the discharge hole. Preferably, the vibrator further comprises a cushion pad 24, and the bracket 23 is disposed on the cushion pad 24 to reduce the intensity of vibration of the vibrator transmitted to the ground.

The above components, such as the first conveying mechanism 3, the second conveying mechanism 4, the vibrator, etc., can be realized by the PLC cooperating with the control switch, and since the PLC is in the prior art and is controlled by a program, the details are not described herein.

A weighing method for solid materials, comprising the steps of:

step 1, setting target values of a first electronic scale 11, a second electronic scale 12 and a weighing sensor, and calibrating the first electronic scale 11, the second electronic scale 12 and the weighing sensor; for example, the mass of the storage vat is 1kg, the mass of the material to be weighed is 11kg, the target value of the first electronic scale is 11kg, and the target value of the second electronic scale is 10.5 kg; assuming that the mass of the first tray is 2kg, the upper limit and the lower limit of the target weight of the weighing sensor are set to 7kg and 4kg respectively.

Step 2, two workers work at the sides of the first electronic scale 11 and the second electronic scale 12 respectively, one worker places an empty storage barrel on the second electronic scale, and starts a vibrator on the second material tray 15 until the numerical value of the second electronic scale reaches 10.5 kg; another worker places the storage bin filled with 10.5kg on the first electronic scale 11, and starts the vibrator of the first material tray 14 until the value of the first electronic scale 11 reaches 11 kg; when the value of the weighing sensor of the first material tray 14 is more than 7kg, the material storage mechanism 2 stops working; when the weight is less than 4kg, the material storage mechanism 2 is started; when the second material tray 15 is smaller than 4kg, the warning lamp is turned on; the cover plate 31 is adsorbed on the magnet 32, and then the vibrator of the first tray 14 is started to feed the second tray 15.

Step 3, the worker respectively moves the discharging barrels weighed to the target value to the first conveying mechanism 3 and the second conveying mechanism 4, wherein the first conveying mechanism 3 is inching controlled, namely the worker presses the switch to start the first conveying mechanism 3 and releases the switch to stop; the second conveying mechanism 4 is normally open.

The above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; the scope of the appended claims should be accorded the broadest interpretation so as to encompass all such modifications and equivalent arrangements as is within the spirit and scope of the present invention.

Claims

1. A weighing apparatus for bagging granular materials, comprising: the storage mechanism is arranged on one side of the weighing mechanism and is used for conveying materials into the weighing mechanism to be packaged and weighed;

2. The weighing apparatus for baling granular materials as recited in claim 1, wherein the discharge port of the first tray is extended outward to form a baffle, the first tray is provided with a first cover plate, one end of the first cover plate extends to the baffle, the other end of the first cover plate forms a feed port with the first tray, and the material guiding portion protrudes from and is fixed with the baffle.

3. The weighing apparatus for baling granular materials as recited in claim 1, further comprising a cover plate, wherein said guiding portion is tubular, a magnet is disposed at an end of said guiding portion, and said cover plate is detachably attached to said magnet to close and open said guiding portion.

4. The weighing apparatus for packaging granular materials according to claim 2, wherein the discharge port of the first tray is connected with the feed port of the second tray through a flexible film.

5. The weighing apparatus for packaging granular materials according to claim 1, wherein a second cover plate is arranged on the second tray, and the second cover plate and the rear end of the second tray form a feeding hole.

6. The weighing apparatus for bagging granular materials of claim 1, wherein the bottoms of the first tray and the second tray are corrugated.

7. The weighing apparatus for bagging granular materials of claim 1, further comprising a load cell, wherein the load cell is disposed on the first gantry, and the first tray is disposed on the load cell through the elastic member.

8. The weighing apparatus for packaging granular materials according to claim 1, wherein the storage mechanism comprises a storage hopper, a third tray, a bracket and a vibrator, the storage hopper is arranged on the bracket, the third tray is arranged at the bottom of the storage hopper and is connected with a discharge port of the storage hopper, the discharge port of the third tray is positioned above the feed port of the first tray, and the vibrator is arranged on the third tray and the storage hopper.

9. The weighing apparatus for bagging of granular material of claim 8, further comprising a cushion pad, wherein said bracket is disposed on said cushion pad.