CN219714522U - Weightless balance - Google Patents
Weightless balance Download PDFInfo
- Publication number
- CN219714522U CN219714522U CN202320977643.6U CN202320977643U CN219714522U CN 219714522 U CN219714522 U CN 219714522U CN 202320977643 U CN202320977643 U CN 202320977643U CN 219714522 U CN219714522 U CN 219714522U
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- Prior art keywords
- weighing
- fixedly connected
- gear
- output shaft
- conveying pipe
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- 238000005303 weighing Methods 0.000 claims abstract description 61
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims description 9
- 230000004580 weight loss Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
Landscapes
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The utility model discloses a weightless scale, which comprises a hopper, a feeder, a weighing platform and a driving mechanism, wherein the hopper is fixedly connected to the upper part of the weighing platform, the bottom of the hopper is provided with a discharge hole, the feeder comprises a conveying pipe and a screw rod rotatably connected in the conveying pipe, and the side wall of the conveying pipe is provided with a feed inlet connected with the discharge hole; the driving mechanism is fixedly connected to the upper portion of the weighing platform and comprises a motor and a gear box in transmission connection with the motor, the gear box is provided with a first output gear, a first power output hole is formed in the middle of the first output gear, a first output shaft is connected to detachable transmission in the first power output hole, and the first output shaft is in transmission connection with the screw. The device has simple structure and various functions.
Description
Technical Field
The utility model relates to the field of weightless scale equipment, in particular to a weightless scale.
Background
The weightless scale is a weighing equipment with intermittent feeding and continuous discharging, and because the control of the loss is carried out in a hopper, the higher control precision can be achieved, and the structure is easy to seal, the weight loss is greatly improved compared with the screw scale when the powder is controlled. Is suitable for controlling and proportioning fine materials such as cement, lime powder, coal powder and the like.
The weightless balance consists of a hopper, a feeder (single-shaft and double-shaft screw feeders), a weighing platform and a driving mechanism, and in operation, the hopper, the materials and the feeder are continuously weighed together. As the material is fed out, the true weight loss rate is measured and compared to the desired weight loss rate (set point). The offset from the set point is automatically corrected by adjusting the feeder rate. Thereby feeding the materials uniformly, accurately and continuously.
The existing common weightless scale mainly comprises a single-screw weightless scale and a double-screw weightless scale, the single-screw weightless scale and the double-screw weightless scale have different advantages and disadvantages, and are suitable for different demand occasions, manufacturers need to replace the single-screw weightless scale and the double-screw weightless scale frequently according to different production demands, so that production efficiency is low, equipment is heavy, carrying is not easy, a large amount of time is required for replacement each time, and two devices are required to be purchased, so that cost is wasted.
Disclosure of Invention
In view of this, it is necessary to provide a weightless scale capable of freely replacing a single screw or a twin screw.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a weightless balance comprises a hopper, a feeder, a weighing platform and a driving mechanism,
the hopper is fixedly connected to the upper part of the weighing platform, a discharge hole is formed in the bottom of the hopper, the feeder comprises a conveying pipe and a screw rod rotatably connected in the conveying pipe, and a feed inlet connected with the discharge hole is formed in the side wall of the conveying pipe;
the driving mechanism is fixedly connected to the upper portion of the weighing platform and comprises a motor and a gear box in transmission connection with the motor, the gear box is provided with a first output gear, a first power output hole is formed in the middle of the first output gear, a first output shaft is connected to detachable transmission in the first power output hole, and the first output shaft is in transmission connection with the screw.
Further, when the screw rod in the conveying pipe is one, one end of the first output shaft is detachably and fixedly connected with one end of the screw rod.
Further, when two screws are arranged in the conveying pipe, a driving gear is fixedly connected to the first output shaft, and a driven gear meshed with the driving gear is fixedly connected to the screws.
Further, the stirring paddle is rotationally connected with the hopper, the gear box is provided with a second output gear, a second power output hole is formed in the middle of the second output gear, a second output shaft is connected with the detachable transmission in the second power output hole, and the second output shaft is in transmission connection with the stirring paddle.
Further, the first output shaft is keyed to the first power take-off aperture.
Further, the weighing platform comprises a weighing panel positioned on the upper part and a supporting panel positioned on the lower part, and a weighing sensor for weighing and detecting the weighing panel is fixedly connected to the supporting panel.
Further, a plurality of supporting feet are fixedly connected to the bottom of the supporting panel.
Further, a plurality of protection posts are fixedly connected to the support panel, and gaps are reserved between the top surfaces of the protection posts and the bottom surfaces of the weighing panels.
Further, the protection support column is a stud, and the stud is in threaded connection with the support panel.
Furthermore, the protection support posts are uniformly distributed on the periphery of the weighing sensor.
Compared with the prior art, the utility model has the following beneficial effects: the device can be used as a single-screw weightless scale or a double-screw weightless scale by arranging the power output hole in the middle of the output gear of the gear box so as to replace different output shafts; and have the protection pillar, can prevent when overload, weighing sensor can not receive the harm, balanced whole weighing platform.
The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments, as illustrated in the accompanying drawings.
Drawings
FIG. 1 is a perspective view of a single screw weightless scale according to the present utility model.
FIG. 2 is a cross-sectional view of a single screw weightless scale of the present utility model at the screw.
Fig. 3 is a perspective view of the twin screw weightless scale of the present utility model.
Fig. 4 is a top cross-sectional view of the twin screw weightless scale of the present utility model at the screw.
Fig. 5 is a front cross-sectional view of the twin-screw weightless scale of the present utility model at the screw.
In the figure: the device comprises a 1-single screw weight loss scale, a conveying pipe of the 11-single screw weight loss scale, a screw of the 12-single screw weight loss scale, a 2-double screw weight loss scale, a conveying pipe of the 21-double screw weight loss scale, a screw of the 22-double screw weight loss scale, a driven gear of the 23-double screw weight loss scale, a 3-weighing platform, a 31-weighing panel, a 32-supporting panel, a 33-weighing sensor, 34-supporting feet, 35-protective struts, 4-motors, 5-gear boxes, 51-first output gears, 52-second output gears, 53-first output shafts, 54-third output shafts, 55-driving gears, 56-second output shafts, 6-hoppers and 61-stirring paddles.
Detailed Description
In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.
Example 1
As shown in fig. 1-2, a single screw weightless scale comprises a hopper 6, a feeder, a weighing platform 3 and a driving mechanism. The hopper 6, feeder and drive mechanism are all fixed to the upper part of the weighing platform 3.
The weighing platform 3 comprises a weighing panel 31 positioned at the upper part and a supporting panel 32 positioned at the lower part, and a weighing sensor 33 for weighing and detecting the weighing panel 31 is fixedly connected to the supporting panel 32; a plurality of supporting feet 34 are fixedly connected to the bottom of the supporting panel 32; a plurality of protection struts 35 are fixedly connected to the support panel 32, and gaps are formed between the top surfaces of the protection struts 35 and the bottom surfaces of the weighing panels 31. The existence of this clearance, as the maximum stroke of weighing panel 31 deformation, when weighing panel 31 takes place deformation and is greater than this clearance, protection pillar 35 withstands weighing panel 31, makes weighing panel 31 no longer buckle downwards, and then protects weighing sensor 33, avoids weighing sensor 33 impaired.
In this embodiment, the protection support posts 35 are studs screwed on the support panel 32, so that the width of the gap can be adjusted to adapt to different use requirements.
In this embodiment, the protection struts 35 are uniformly distributed on the periphery of the weighing sensor 33, so that the deformation of the whole weighing panel 31 is stressed uniformly.
The bottom of the hopper 6 is provided with a discharge hole, the feeder comprises a conveying pipe 11 and a single screw 12 rotatably connected in the conveying pipe 11, and the side wall of the conveying pipe 11 is provided with a feed inlet connected with the discharge hole.
The driving mechanism comprises a motor 4 and a gear box 5 in transmission connection with the motor 4, the gear box 5 is provided with a first output gear 51, a first power output hole is formed in the middle of the first output gear 51, a first output shaft 53 is detachably connected in the first power output hole in a transmission manner, and the first output shaft 53 is detachably and fixedly connected with the screw 12 to realize transmission connection of the first output shaft and the screw 12. The first output shaft 53 is keyed to the first power take-off aperture.
The hopper 6 is rotatably connected with a stirring paddle 61, the gear box 5 is provided with a second output gear 52, the middle part of the second output gear 52 is provided with a second power output hole, a second output shaft 56 is detachably connected in the second power output hole in a transmission way, and the second output shaft 56 is in transmission connection with the stirring paddle 61.
Example two
As shown in fig. 3-5, a twin-screw weightless scale comprises a hopper 6, a feeder, a weighing platform 3 and a driving mechanism. The hopper 6, feeder and drive mechanism are all fixed to the upper part of the weighing platform 3.
The weighing platform 3 comprises a weighing panel 31 positioned at the upper part and a supporting panel 32 positioned at the lower part, and a weighing sensor 33 for weighing and detecting the weighing panel 31 is fixedly connected to the supporting panel 32; a plurality of supporting feet 34 are fixedly connected to the bottom of the supporting panel 32; a plurality of protection struts 35 are fixedly connected to the support panel 32, and gaps are formed between the top surfaces of the protection struts 35 and the bottom surfaces of the weighing panels 31. The existence of this clearance, as the maximum stroke of weighing panel 31 deformation, when weighing panel 31 takes place deformation and is greater than this clearance, protection pillar 35 withstands weighing panel 31, makes weighing panel 31 no longer buckle downwards, and then protects weighing sensor 33, avoids weighing sensor 33 impaired.
In this embodiment, the protection support posts 35 are studs screwed on the support panel 32, so that the width of the gap can be adjusted to adapt to different use requirements.
In this embodiment, the protection struts 35 are uniformly distributed on the periphery of the weighing sensor 33, so that the deformation of the whole weighing panel 31 is stressed uniformly.
The bottom of the hopper 6 is provided with a discharge hole, the feeder comprises a conveying pipe 21 and two screws 22 rotatably connected in the conveying pipe 21, and the side wall of the conveying pipe 21 is provided with a feed inlet connected with the discharge hole.
The driving mechanism comprises a motor 4 and a gear box 5 in transmission connection with the motor 4, the gear box 5 is provided with a first output gear 51, a first power output hole is formed in the middle of the first output gear 51, a third output shaft 54 is detachably connected in the first power output hole in a transmission manner, a driving gear 55 is fixedly connected on the third output shaft 54, a driven gear 23 meshed with the driving gear 55 is fixedly connected on the screw 22, and therefore transmission connection of the third output shaft 54 and the screw 22 is achieved. The third output shaft 54 is keyed to the first power take-off aperture.
The hopper 6 is rotatably connected with a stirring paddle 61, the gear box 5 is provided with a second output gear 52, the middle part of the second output gear 52 is provided with a second power output hole, a second output shaft 56 is detachably connected in the second power output hole in a transmission way, and the second output shaft 56 is in transmission connection with the stirring paddle 61.
The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.
Claims (10)
1. The utility model provides a weightless balance, includes hopper, feeder, weighing platform and actuating mechanism, its characterized in that:
the hopper is fixedly connected to the upper part of the weighing platform, a discharge hole is formed in the bottom of the hopper, the feeder comprises a conveying pipe and a screw rod rotatably connected in the conveying pipe, and a feed inlet connected with the discharge hole is formed in the side wall of the conveying pipe;
the driving mechanism is fixedly connected to the upper portion of the weighing platform and comprises a motor and a gear box in transmission connection with the motor, the gear box is provided with a first output gear, a first power output hole is formed in the middle of the first output gear, a first output shaft is connected to detachable transmission in the first power output hole, and the first output shaft is in transmission connection with the screw.
2. The weightless scale of claim 1, wherein: when the screw rod in the conveying pipe is one, one end of the first output shaft is fixedly connected with one end of the screw rod in a detachable mode.
3. The weightless scale of claim 1, wherein: when two screws are arranged in the conveying pipe, a driving gear is fixedly connected to the first output shaft, and a driven gear meshed with the driving gear is fixedly connected to the screws.
4. The weightless scale of claim 1, wherein: the stirring paddle is rotationally connected with the hopper, the gear box is provided with a second output gear, a second power output hole is formed in the middle of the second output gear, a second output shaft is connected with the second power output hole in a detachable transmission mode, and the second output shaft is in transmission connection with the stirring paddle.
5. The weightless scale of claim 1, wherein: the first output shaft is in key connection with the first power output hole.
6. The weightless scale of claim 1, wherein: the weighing platform comprises a weighing panel positioned on the upper part and a supporting panel positioned on the lower part, wherein a weighing sensor for weighing and detecting is fixedly connected to the supporting panel.
7. The weightless scale of claim 6, wherein: the bottom of the support panel is fixedly connected with a plurality of support feet.
8. The weightless scale of claim 6, wherein: the support panel is fixedly connected with a plurality of protection posts, and gaps are reserved between the top surfaces of the protection posts and the bottom surfaces of the weighing panels.
9. The weightless scale of claim 8, wherein: the protection support column is a stud which is in threaded connection with the support panel.
10. The weightless scale of claim 8, wherein: the protection support posts are uniformly distributed on the periphery of the weighing sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320977643.6U CN219714522U (en) | 2023-04-26 | 2023-04-26 | Weightless balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320977643.6U CN219714522U (en) | 2023-04-26 | 2023-04-26 | Weightless balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219714522U true CN219714522U (en) | 2023-09-19 |
Family
ID=87997678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320977643.6U Active CN219714522U (en) | 2023-04-26 | 2023-04-26 | Weightless balance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219714522U (en) |
-
2023
- 2023-04-26 CN CN202320977643.6U patent/CN219714522U/en active Active
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