Vibration type weightlessness scale
By designing independent feeding and metering components for the vibratory loss-in-weight scale, and combining an electromagnetic vibrator with a conical metering trough, the problem of unstable feeding when conveying materials such as rubber and plastics by screw-type loss-in-weight scales is solved, and precise conveying of granules, carbon fibers and crushed materials is achieved.
Patent Information
- Application Number
- CN202520158112.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-23
AI Technical Summary
When conveying materials such as rubber and plastics, especially granular materials, carbon fibers, and crushed materials, screw-type loss-in-weight scales have unstable feeding accuracy, making it difficult to achieve precise conveying.
It adopts a vibratory loss-in-weight scale design, including independent feeding and metering components. It utilizes an electromagnetic vibrator and a load cell. The metering tank outlet is designed as a gradually narrowing cone and equipped with an adjusting baffle to ensure the stability and accuracy of material conveying.
It improves the accuracy and stability of material conveying, especially under low flow conditions, significantly enhancing feeding precision. It is suitable for precise feeding of granules, carbon fibers, and crushed materials.
Smart Images
Figure CN223727238U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of loss of weight scale, concretely to a vibrating type loss of weight scale. BACKGROUND
[0002] At present, screw type loss of weight scale has very good conveying effect on conventional materials, but due to the structural reasons of screw type loss of weight scale, there are materials such as granular particles, carbon fibers and broken materials in the rubber and plastic industries, and these materials are not easy to convey when conveying and batching by traditional screw type loss of weight scale, the precision is difficult to keep stable, especially when the flow is small, the batching quality is affected by the unstable feeding precision. Therefore, in order to realize the good conveying effect of the materials such as broken materials and granular particles which are not easy to convey by screw type feeder, a loss of weight scale suitable for accurate feeding of granular particles, carbon fibers and broken materials is urgently needed. CONTENT OF THE UTILITY MODEL
[0003] The problem to be solved provides a loss of weight scale suitable for accurate feeding of granular particles, carbon fibers and broken materials.
[0004] In order to achieve the above purpose, the utility model provides the following technical scheme: a vibrating type loss of weight scale, including material supplementing assembly and metering assembly, the discharge port of the material supplementing assembly is connected with the feeding port of the metering assembly, the material supplementing assembly includes a weighing sensor one, an electromagnetic vibrator one is arranged above the weighing sensor one, a material supplementing groove is arranged above the electromagnetic vibrator one, and the outlet of the material supplementing groove is the discharge port of the material supplementing assembly; the metering assembly includes a weighing sensor two, an electromagnetic vibrator two is installed on the weighing sensor two, a metering groove is arranged on the electromagnetic vibrator two, the inlet end of the metering groove is connected with the outlet of the material supplementing groove, and an adjusting baffle is arranged on the outlet end of the metering groove and slides up and down.
[0005] Preferably, the outlet end of the metering groove is tapered.
[0006] Preferably, the weighing sensor one and the electromagnetic vibrator one are connected through an intermediate plate and an upper bottom plate, and a cushion block is arranged between the intermediate plate and the upper bottom plate.
[0007] Preferably, the weighing sensor one is arranged on a material supplementing scale base plate through a weighing sensor bottom plate, a cover one is arranged on one side of the material supplementing scale base plate, and a protection plate one is arranged on the opposite side of the cover one.
[0008] Preferably, the weighing sensor two is connected with the electromagnetic vibrator two through a vibrator mounting plate above the weighing sensor two, and the weighing sensor two is installed on a metering scale base plate below.
[0009] Preferably, the volume of the metering groove is smaller than that of the material supplementing groove, the power of the electromagnetic vibrator two is smaller than that of the electromagnetic vibrator one, and the range of the weighing sensor two is smaller than that of the weighing sensor one.
[0010] Preferably, the feed scale base plate and the metering scale base plate are each provided with a plurality of shock-absorbing foot pads.
[0011] Compared with the prior art, the vibration type loss-in-weight scale has the following beneficial effects:
[0012] 1. The metering assembly and the feed assembly are independently designed, the weighing sensor range of the metering assembly can be very small, and a small-specification electromagnetic vibrator can be selected, so that the vibration of the material in the metering process is effectively reduced, the interference is reduced, and the metering accuracy is improved; the electromagnetic vibrator is used for metering and conveying, the metering accuracy is improved, the interference of the storage material on the metering process is reduced, the feed and metering are independently designed, and the metering accuracy is significantly improved.
[0013] 2. The metering tank discharge port is provided with a tapered structure with a gradually changing closing opening, so that the discharge is more stable, and the discharging accuracy is improved.
[0014] 3. The metering tank outlet tapered front end is provided with an adjusting baffle, and the adjusting baffle can move up and down, so that the metering accuracy is further ensured. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a structural schematic view of the utility model;
[0016] Mark explanation: 1, feed assembly; 11, feed scale base plate; 12, weighing sensor bottom plate; 13, weighing sensor one; 14, cover one; 15, intermediate plate; 16, cushion block; 17, upper bottom plate; 18, electromagnetic vibrator one; 19, feed tank; 110, protection plate one; 2, metering assembly; 21, metering tank; 22, adjusting baffle; 23, electromagnetic vibrator two; 24, vibrator mounting plate; 25, weighing sensor two; 26, shock-absorbing foot pad; 27, cover two; 28, metering scale base plate; 29, protection plate two. DETAILED DESCRIPTION
[0017] The technical scheme in the utility model embodiment will be described below with reference to the drawings in the utility model embodiment:
[0018] In order to solve the problem of accurate feeding of materials such as granular particles, carbon fibers and broken materials, the utility model provides a vibrating loss-in-weight scale, which comprises a material supplementing assembly 1 and a metering assembly 2, the discharge port of the material supplementing assembly 1 is connected with the feeding port of the metering assembly 2, the material supplementing assembly 1 weighs the conveying amount during conveying the material to the metering assembly 2, and the metering assembly 2 accurately weighs the feeding amount. As shown in the figure, the material supplementing assembly 1 comprises a weighing sensor one 13, an electromagnetic vibrator one 18 is arranged above the weighing sensor one 13, a material supplementing groove 19 is arranged above the electromagnetic vibrator one 18, the outlet of the material supplementing groove 19 is the discharge port of the material supplementing assembly 1, the weighing sensor one 13 and the electromagnetic vibrator one 18 are connected through an intermediate plate 15 and an upper bottom plate 17, and a cushion block 16 is arranged between the intermediate plate 15 and the upper bottom plate 17; the weighing sensor one 13 is arranged on a material supplementing scale base plate 11 through a weighing sensor bottom plate 12, a cover one 14 is arranged on one side of the material supplementing scale base plate 11, a protection plate one 110 is arranged on the opposite side of the cover one 14, the bottom end of the protection plate one 110 is screw-fixed on the material supplementing scale base plate 11, and the top end is screw-fixed on the intermediate plate 15, so that the weighing sensor one 13 is protected in the area surrounded by the cover one 14, the protection plate one 110, the material supplementing scale base plate 11 and the intermediate plate 15. The basic weight on the weighing sensor one 13 is the intermediate plate 15, the cushion block 16, the upper bottom plate 17, the electromagnetic vibrator one 18 and the material supplementing groove 19, and the material is conveyed to the metering assembly 2 for accurate weighing after primary weighing on the material supplementing assembly 1.
[0019] The metering assembly 2 comprises a second load cell 25, an electromagnetic vibrator 23 is installed on the second load cell 25, the electromagnetic vibrator 23 is connected through a vibrator mounting plate 24 above the second load cell 25, the second load cell 25 is installed below a metering scale base plate 28, the metering scale base plate 28 is provided with a cover 27 and a protection plate 29, the cover 27 and the protection plate 29 are respectively located on both sides of the second load cell 25. The bottom end of the protection plate 29 is screwed and fixed on the metering scale base plate 28, and the top end is screwed and fixed on the vibrator mounting plate 24. Similarly, the second load cell 25 is arranged in the area surrounded by the metering scale base plate 28, the vibrator mounting plate 24, the protection plate 29 and the cover 27. The electromagnetic vibrator 23 is fixed on the vibrator mounting plate 24, and a metering tank 21 is arranged on the electromagnetic vibrator 23 to drive the metering tank 21 to vibrate and discharge. The inlet end of the metering tank 21 is connected to the outlet of the replenishment tank 19, and an adjusting baffle 22 is arranged to slide up and down near the outlet end of the metering tank 21. The adjusting baffle 22 is provided with two spaced grooves, and the two grooves are respectively clamped on both sides of the metering tank 21. The adjusting baffle 22 can slide up and down along both sides of the metering tank 21 to adjust the flow rate of the metering tank 21. The outlet of the metering tank 21 is tapered, which can make the material concentrate in the middle area before falling, and is more conducive to controlling the falling speed. The volume of the metering tank 21 is smaller than that of the replenishment tank 19, which can further reduce the range of the second load cell 25 to ensure the weighing accuracy; the power of the electromagnetic vibrator 23 is smaller than that of the electromagnetic vibrator 18, which can ensure that the metering assembly 2 has higher discharging accuracy; the range of the second load cell 25 is smaller than that of the first load cell 13, and the measurement error of the first load cell 13 is also large. After the accurate measurement of the second load cell 25, the feeding accuracy is further ensured. The bottom of the replenishment scale base plate 11 and the metering scale base plate 28 is provided with a plurality of shock absorbing foot pads 26, which are used to reduce the vibration of the electromagnetic vibrator 23 and the electromagnetic vibrator 18.
[0020] As Figure 1In the shown embodiment, the feeding scale base plate 11 and the weighing sensor bottom plate 12 are fixed with the weighing sensor one 13 through screws, the intermediate plate 15 is installed above the weighing sensor one 13, the cushion block 16 and the upper bottom plate 17 are connected above the intermediate plate 15, the electromagnetic vibrator one 18 is installed at the upper end of the upper bottom plate 17, the feeding tank 19 is fixed above the electromagnetic vibrator one 18, the protection plate one 110 connects the feeding scale base plate 11 and the intermediate plate 15 through screws, and the protection plate one 110 plays a protection role in the equipment transportation process, the cover one 14 is installed on the feeding scale base plate 11, and the above components are the key components of the feeding assembly 1, and the implementation process of the metering assembly 2 is as follows: the weighing sensor two 25 is fixed to the metering scale base plate 28 through screws, the weighing sensor two 25 is connected with the vibrator mounting plate 24 at the top, the electromagnetic vibrator two 23 is installed above the vibrator mounting plate 24, the metering tank 21 is installed on the electromagnetic vibrator two 23, the adjusting baffle 22 is fixed above the metering tank 21, and the adjusting baffle 22 plays a role of blocking materials and preventing material from being washed away during metering, and the adjusting baffle 22 ensures the discharging accuracy, the cover two 27 is installed on the metering scale base plate 28, the protection plate two 29 is connected with the metering scale base plate 28 at one end and is fixed to the vibrator mounting plate 24 at the other end. When in use, the device can be combined with a PLC control system during continuous metering, the system detects the weight of the weighing sensor two 25, when the lower limit of the feeding is reached, the metering assembly 2 is in the interference mode, at this time, the feeding assembly 1 starts to work, the electromagnetic vibrator one 18 starts to vibrate at a fixed frequency, the material in the feeding tank 19 is conveyed into the metering tank 21, when the material reaches the upper limit weight of the feeding, the electromagnetic vibrator one 18 stops feeding, the metering assembly 2 starts to enter the metering mode, the electromagnetic vibrator two 23 adjusts the vibration frequency in real time according to the received signal, and then the controllable accuracy requirement is realized.
[0021] The metering assembly 2 and the feeding assembly 1 are independently designed, the material can be weighed through the feeding assembly 1 first and then enter the metering assembly 2 to be weighed with smaller error and then be discharged, the accuracy of the structures of the metering assembly 2 is higher to meet the need of accurate feeding, and the metering assembly 2 is especially suitable for scenes with small one-time feeding amount; the design that the conical front end is provided with the adjusting baffle and the conical outlet ensures the feeding accuracy, compared with a traditional double-screw loss-in-weight scale, the vibrating loss-in-weight scale is more suitable for accurate feeding of materials such as granular particles, carbon fibers and crushed materials.
[0022] The above embodiment is only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
Claims
1. A vibrating loss-in-weight scale characterized by: The application relates to a feeding and metering device, which comprises a feeding component (1) and a metering component (2), the outlet of the feeding component (1) is connected to the inlet of the metering component (2), the feeding component (1) comprises a weighing sensor I (13), an electromagnetic vibrator I (18) is arranged above the weighing sensor I (13), a feeding tank (19) is arranged above the electromagnetic vibrator I (18), and the outlet of the feeding tank (19) is the outlet of the feeding component (1); the metering component (2) comprises a weighing sensor II (25), an electromagnetic vibrator II (23) is arranged on the weighing sensor II (25), a metering tank (21) is arranged on the electromagnetic vibrator II (23), the inlet end of the metering tank (21) is connected to the outlet of the feeding tank (19), and an adjusting baffle (22) is arranged on the outlet end of the metering tank (21) and can slide up and down.
2. The vibratory loss-in-weight scale of claim 1, wherein: The outlet end of the metering tank (21) is tapered.
3. The vibratory loss-in-weight scale of claim 2, wherein: The weighing sensor I (13) and the electromagnetic vibrator I (18) are connected through an intermediate plate (15) and an upper bottom plate (17), and a cushion block (16) is arranged between the intermediate plate (15) and the upper bottom plate (17).
4. The vibratory loss-in-weight scale of claim 3, wherein: The weighing sensor I (13) is arranged on a feeding scale base plate (11) through a weighing sensor bottom plate (12), one side edge of the feeding scale base plate (11) is provided with a cover I (14), and the opposite side edge of the cover I (14) is provided with a protection plate I (110).
5. The vibratory loss-in-weight scale of claim 4, wherein: The weighing sensor II (25) is connected to the electromagnetic vibrator II (23) through a vibrator mounting plate (24), the weighing sensor II (25) is arranged on a metering scale base plate (28), and the metering scale base plate (28) is provided with a cover II (27) and a protection plate II (29), which are arranged on the two sides of the weighing sensor II (25) respectively.
6. The vibratory loss-in-weight scale of claim 1 wherein: The volume of the metering tank (21) is smaller than that of the feeding tank (19), the power of the electromagnetic vibrator II (23) is smaller than that of the electromagnetic vibrator I (18), and the range of the weighing sensor II (25) is smaller than that of the weighing sensor I (13).
7. The vibratory loss-in-weight scale of claim 5, wherein: The feeding scale base plate (11) and the metering scale base plate (28) are provided with a plurality of shock-absorbing foot pads (26) at the bottom.