Lifting type weighing mechanism of automatic batching system

Abstract

The utility model discloses a lifting type weighing mechanism of an automatic batching system. Comprising a base plate, a lifting weighing air cylinder fixed to the base plate, a lifting plate arranged above the base plate and connected with a piston rod of the lifting weighing air cylinder, a weighing sensor assembly arranged on the upper end face of the lifting plate, and a charging barrel weighing supporting plate connected to the upper portion of the weighing sensor assembly. A plurality of guide shafts are vertically arranged on the lower end face of the lifting plate downwards around the periphery of the lifting weighing air cylinder, a plurality of guide holes are correspondingly formed in the base plate, and the guide shafts are connected with the guide holes in a sliding fit mode. According to the utility model, the lifting type weighing of the charging bucket on the charging metering conveying line is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of batching systems, and particularly relates to a lifting weighing mechanism of an automatic batching system. Background Art

[0002] In multiple industries such as pharmaceuticals, chemical engineering, and military industries, it is often necessary to batch multiple different types of granular materials or powder materials. After various materials are metered and proportioned, they are loaded into the same bucket for use in the production line. After passing through several production processes in the production line, the batched materials can be made into the required intermediate raw materials or products.

[0003] Conventional methods for batching multiple materials usually adopt manual batching or a manual batching-assisted method mainly based on semi-automatic batching by machines. The equipment used for batching is a metering feeder, and each type of material is equipped with a corresponding metering feeder. During batching, a measuring cup is grabbed by a human or a manipulator and placed on the metering feeder for metering and taking of materials. After taking the materials, each material is poured into a bucket equipped with a bag to form a mixed material containing multiple materials. The batched mixed material is then sent to the production line for making the mixed material into the required intermediate raw materials or products.

[0004] The disadvantages of the above methods of manual or semi-automatic batching are low production efficiency; in addition, for some pharmaceutical or chemical materials, manual batching or manual-assisted batching methods will have an adverse impact on the health of the operators of the batching operation. Moreover, manual batching or manual-assisted batching also increases the labor cost.

[0005] For this reason, our company has newly developed a multi-material automatic batching system that can achieve full-automatic automatic batching to solve the above deficiencies. The multi-material automatic batching system mainly includes a barrel automatic conveying line, a feeding and metering conveying line, and multiple feeding devices; after the barrel automatic conveying line and the feeding and metering conveying line are combined, a closed barrel automatic circulation conveying system is formed. The feeding and metering conveying line adopts a chain conveying mechanism, on which there are sequentially arranged an empty barrel weighing station, multiple batching stations, and a full barrel weighing station at intervals, and a lifting weighing mechanism is arranged below the empty barrel weighing station, multiple batching stations, and the full barrel weighing station, and feeding devices are respectively configured above the positions of each batching station. In addition, a barrel bagging station and a barrel bag-taking station are also provided on the barrel automatic conveying line, which are respectively used for bagging of empty barrels and bag-taking after batching. During operation, the barrel conveys the barrel with an empty bag from the front of the barrel automatic conveying line to the empty barrel weighing station of the feeding and metering conveying line. The lifting weighing mechanism at this station first weighs and measures the empty barrel, and then sequentially sends it to the subsequent batching stations for batching of different types of materials. After batching of several types of materials is completed in sequence, the barrel is moved to the full barrel weighing station, and the lifting weighing mechanism at this station weighs and measures the total weight of the barrel after batching for review; after the weighing and metering review of the barrel is completed, it is conveyed from the feeding and metering conveying line to the rear of the barrel automatic conveying line, and sequentially reaches the barrel bag-taking station and the barrel bagging station of the barrel automatic conveying line; at the barrel bag-taking station, the barrel bag-taking manipulator takes away the bag filled with batching in the barrel; the barrel after the bag is taken away is moved to the barrel bagging station of the barrel automatic conveying line, and the empty bag is placed into the barrel by the barrel bagging manipulator. Subsequently, the barrel with the empty bag returns to the front of the barrel automatic conveying line, and then is conveyed to the empty barrel weighing station of the feeding and metering conveying line again. In this way, automatic cyclic batching of multiple materials is realized.

[0006] A key problem that the above multi-material automatic batching system needs to solve is that after the barrel is conveyed from the barrel automatic conveying line to the feeding and metering conveying line, the barrel needs to be sequentially moved to multiple batching stations arranged on the batching platform for batching respectively. After batching is completed at one batching station, the barrel needs to be moved to the next batching station, and during batching, the barrel needs to be lifted up a certain distance to be docked with the feeding device. If a conventional electronic weighing scale is arranged on the feeding and metering conveying line, since it does not have a lifting function, it cannot be docked with the feeding device, and there is also a problem that when the barrel moves forward on the feeding and metering conveying line, it may interfere with the non-lifting front electronic weighing scale. Utility Model Content

[0007] In order to solve the above problems, the present utility model proposes a lifting weighing mechanism for an automatic batching system, aiming to realize the lifting weighing of the barrel on the feeding and metering conveying line. The specific technical solutions are as follows:

[0008] A lifting weighing mechanism for an automatic batching system, comprising a base plate, a lifting weighing cylinder fixed on the base plate, a lifting plate arranged above the base plate and connected to the piston rod of the lifting weighing cylinder, a weighing sensor assembly arranged on the upper end surface of the lifting plate, and a barrel weighing support plate connected to the upper part of the weighing sensor assembly; several guiding shafts are vertically arranged downward around the periphery of the lifting weighing cylinder on the lower end surface of the lifting plate, and several guiding holes are correspondingly arranged on the base plate, and the guiding shafts are slidably connected with the guiding holes in a sliding manner.

[0009] Preferably, the guiding element is a linear bearing.

[0010] Preferably, the weighing sensor assembly includes a cantilever beam single-point weighing sensor. A lower support connecting part fixedly connected to the lifting plate is arranged at the right lower part of the cantilever beam single-point weighing sensor, and an upper support connecting part fixedly connected to the barrel weighing support plate is arranged at the left upper part of the cantilever beam single-point weighing sensor.

[0011] Preferably, the weighing sensor assembly further includes a sensor housing for covering the cantilever beam single-point weighing sensor. The sensor housing is fixed on the upper support connecting part of the cantilever beam single-point weighing sensor, and the barrel weighing support plate is fixed on the upper end surface of the sensor housing.

[0012] Preferably, support pads are respectively arranged between the sensor housing and the upper support connecting part of the cantilever beam single-point weighing sensor, and between the lower support connecting part of the cantilever beam single-point weighing sensor and the lifting plate.

[0013] In the present utility model, the number of the guiding shafts is 3 to 4.

[0014] In the present utility model, a clamping groove is arranged at the end of the piston rod of the lifting weighing cylinder. A U-shaped clamping block is fixed on the lower end surface of the lifting plate, and the U-shaped clamping block is clamped in the clamping groove at the end of the piston rod of the lifting weighing cylinder.

[0015] Preferably, an adjusting ring is threadedly connected to the outer circle of the end of the piston rod of the lifting weighing cylinder. The adjusting ring is locked and fixed on the threaded outer circle of the end of the piston rod through a locking nut; the clamping groove is arranged on the outer circle of the adjusting ring, and the U-shaped clamping block is clamped in the clamping groove on the outer circle of the adjusting ring at the end of the piston rod of the lifting weighing cylinder.

[0016] Preferably, the barrel weighing support plate is a disc-shaped support plate, and trimming edges are arranged on both sides of the disc-shaped support plate.

[0017] The lifting weighing mechanism of the present utility model is installed below the batching platform of the automatic batching system. The trimmed edges on both sides of the disc-shaped tray are used to fit with the metering and weighing windows opened at the batching stations of the batching platform, so as to ensure that the lifting weighing mechanism can move up and down in the metering and weighing windows. During operation, the lifting and weighing cylinder acts to drive the barrel weighing tray to pass through the metering and weighing window to above the batching platform, thereby lifting the barrel to dock with the feeding device above, and realizing weighing and metering during the feeding process; after the feeding is completed, the barrel weighing tray moves down to below the batching platform, and the barrel falls back onto the batching platform; subsequently, the barrel moves to the next batching station through the feeding, metering and conveying line of the automatic batching system for batching of another material.

[0018] In the example of the present utility model, the upper support connection part at the upper left side of the upper end of the cantilever beam single-point weighing sensor is connected to the central part of the lower end face of the disc-shaped tray through the support part cushion block.

[0019] Preferably, a plurality of guiding elements are provided at the lower end of the substrate, the guiding holes are provided on the guiding elements at the lower end of the substrate, and the guiding shaft is slidably connected with the guiding holes on the guiding elements at the lower end of the substrate.

[0020] Preferably, the guiding element is a linear bearing.

[0021] In the present utility model, a wiring lead-out window is provided on one side of the sensor housing.

[0022] The beneficial effects of the present utility model are as follows:

[0023] First, for the lifting weighing mechanism of an automatic batching system of the present utility model, by arranging the weighing sensor between the barrel weighing tray and the lifting plate and using the lifting and weighing cylinder as the lifting driving element, the lifting weighing of the barrel on the feeding, metering and conveying line is realized.

[0024] Second, for the lifting weighing mechanism of an automatic batching system of the present utility model, the structure is simple. In addition to being connected to the piston rod of the lifting and weighing cylinder, the lifting plate is also guided and lifted through four guiding shafts, which can greatly improve the stability and reliability of the lifting of the lifting plate.

[0025] Third, for the lifting weighing mechanism of an automatic batching system of the present utility model, the structure is simple. The cantilever beam single-point weighing sensor is adopted in the weighing sensor assembly, and its weighing accuracy is relatively high.

[0026] Fourth, for the lifting weighing mechanism of an automatic batching system of the present utility model, the structure is simple, the cost is relatively low, and it can be flexibly installed on the feeding, metering and conveying line. Description of the Drawings

[0027] Figure 1 It is a schematic structural diagram of a lifting weighing mechanism of an automatic batching system of the present utility model;

[0028] Figure 2 It is to Figure 1 The structural schematic diagram after removing the barrel weighing tray and the sensor housing in

[0029] Figure 3 It is a schematic structural diagram of the connection between the end of the piston rod of the lifting weighing cylinder and the U-shaped block.

[0030] In the figure: 301, base plate; 302, lifting weighing cylinder; 303, piston rod; 304, lifting plate; 305, weighing sensor assembly; 306, barrel weighing tray; 307, guide shaft; 308, cantilever beam single-point weighing sensor; 309, lower support connection part; 310, upper support connection part; 311, sensor housing; 312, support part cushion block; 313, card slot; 314, U-shaped block; 315, adjusting ring; 316, locking nut; 317, chamfered edge; 318, guiding element; 319, wiring lead-out window. Specific embodiments

[0031] Next, in combination with the drawings and embodiments, the specific embodiments of the present utility model will be further described. The following embodiments are only used to more clearly illustrate the technical solutions of the present utility model and cannot be used to limit the protection scope of the present utility model.

[0032] As Figures 1 to 3 shown is an embodiment of a lifting weighing mechanism of an automatic batching system of the present utility model, including a base plate 301, a lifting weighing cylinder 302 fixed on the base plate 301, a lifting plate 304 arranged above the base plate 301 and connected to the piston rod 303 of the lifting weighing cylinder 302, a weighing sensor assembly 305 arranged on the upper end surface of the lifting plate 304, and a barrel weighing tray 306 connected to the upper part of the weighing sensor assembly 305; several guiding shafts 307 are vertically arranged downward around the periphery of the lifting weighing cylinder 302 on the lower end surface of the lifting plate 304, and several guiding holes are correspondingly arranged on the base plate 301, and the guiding shafts 307 are slidably connected with the guiding holes.

[0033] Preferably, the weighing sensor assembly 305 includes a cantilever beam single-point weighing sensor 308, a lower support connection part 309 fixedly connected to the lifting plate 304 is arranged at the right lower part of the cantilever beam single-point weighing sensor 308, and an upper support connection part 310 fixedly connected to the barrel weighing tray 306 is arranged at the left upper part of the cantilever beam single-point weighing sensor 308.

[0034] Preferably, the weighing sensor assembly 305 further includes a sensor housing 311 for covering the cantilever single-point weighing sensor 308. The sensor housing 311 is fixed on the upper support connection portion 310 of the cantilever single-point weighing sensor 308, and the barrel weighing support plate 306 is fixed on the upper end face of the sensor housing 311.

[0035] Preferably, support pads 312 are respectively provided between the sensor housing 311 and the upper support connection portion 310 of the cantilever single-point weighing sensor 308, and between the lower support connection portion 309 of the cantilever single-point weighing sensor 308 and the lifting plate 304.

[0036] In this embodiment, the number of the guide shafts 307 is 3 to 4.

[0037] In this embodiment, a clamping groove 313 is provided at the end of the piston rod 303 of the lifting weighing cylinder 302. A U-shaped clamping block 314 is fixed on the lower end face of the lifting plate 304, and the U-shaped clamping block 314 is clamped in the clamping groove 313 at the end of the piston rod 303 of the lifting weighing cylinder 302.

[0038] Preferably, an adjusting ring 315 is threadedly connected to the outer circumference of the end of the piston rod 303 of the lifting weighing cylinder 302, and the adjusting ring 315 is locked and fixed on the threaded outer circumference of the end of the piston rod 303 through a locking nut 316; the clamping groove 313 is provided on the outer circumference of the adjusting ring 315, and the U-shaped clamping block 314 is clamped in the clamping groove 313 on the outer circumference of the adjusting ring 315 at the end of the piston rod 303 of the lifting weighing cylinder 302.

[0039] Preferably, the barrel weighing support plate 306 is a disc-shaped support plate, and trimming edges 317 are provided on both sides of the disc-shaped support plate.

[0040] The lifting weighing mechanism of this embodiment is installed below the batching platform of the automatic batching system. The trimming edges 317 on both sides of the above disc-shaped support plate are used to match the metering and weighing windows opened at the batching stations of the batching platform, so as to ensure that the lifting weighing mechanism can move up and down in the metering and weighing windows. During operation, the lifting weighing cylinder 302 acts to drive the barrel weighing support plate 306 to pass through the metering and weighing window to above the batching platform, thereby lifting the barrel to dock with the upper feeding device, and realizing weighing and metering during the feeding process; after the feeding is completed, the barrel weighing support plate 306 moves down to below the batching platform, and the barrel falls back onto the batching platform; subsequently, the barrel moves to the next batching station through the feeding, metering and conveying line of the automatic batching system for batching of another material.

[0041] In this embodiment, the upper support connection part 310 at the left upper part of the upper end of the cantilever single-point weighing sensor 308 is connected to the central part of the lower end surface of the disc-shaped support plate through the support part cushion block 312.

[0042] Preferably, a plurality of guiding elements 318 are provided at the lower end of the substrate 301. The guiding holes are provided on the guiding elements 318 at the lower end of the substrate 301, and the guiding shaft 307 is slidably and cooperatively connected to the guiding holes on the guiding elements 318 at the lower end of the substrate 301.

[0043] Preferably, the guiding element 318 is a linear bearing.

[0044] In this embodiment, a wiring lead-out window 319 is provided on one side of the sensor housing 311.

[0045] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A lifting weighing mechanism for an automatic batching system, characterized in that: It includes a base plate, a lifting and weighing cylinder fixed on the base plate, a lifting plate arranged above the base plate and connected to the piston rod of the lifting and weighing cylinder, a weighing sensor assembly arranged on the upper end surface of the lifting plate, and a barrel weighing support plate connected to the upper part of the weighing sensor assembly; on the lower end surface of the lifting plate, a number of guide shafts are vertically arranged downward around the periphery of the lifting and weighing cylinder, and a number of guide holes are correspondingly arranged on the base plate, and the guide shafts are slidably matched with the guide holes.

2. The lifting weighing mechanism of the automatic batching system according to claim 1 is characterized in that: The weighing sensor assembly includes a cantilever beam single-point weighing sensor, a lower support connection portion fixedly connected to the lifting plate is provided at the right side of the lower end of the cantilever beam single-point weighing sensor, and an upper support connection portion fixedly connected to the barrel weighing support plate is provided at the left side of the upper end of the cantilever beam single-point weighing sensor.

3. The lifting weighing mechanism of the automatic batching system according to claim 2 is characterized in that: The weighing sensor assembly also includes a sensor housing for covering the cantilever beam single-point weighing sensor, the sensor housing is fixed on the upper supporting connection portion of the cantilever beam single-point weighing sensor, and the barrel weighing support plate is fixed on the upper end surface of the sensor housing.

4. The lifting weighing mechanism of the automatic batching system according to claim 3 is characterized in that: Supporting portion pads are also provided between the sensor housing and the upper supporting connection portion of the cantilever beam single-point weighing sensor, and between the lower supporting connection portion of the cantilever beam single-point weighing sensor and the lifting plate.

5. The lifting weighing mechanism of the automatic batching system according to claim 1 is characterized in that: The number of the guide shafts is 3 to 4.

6. The lifting weighing mechanism of the automatic batching system according to claim 1, characterized in that: A clamping groove is arranged at the end of the piston rod of the lifting weighing cylinder, and a U-shaped clamping block is fixed on the lower end surface of the lifting plate, and the U-shaped clamping block is clamped on the clamping groove at the end of the piston rod of the lifting weighing cylinder.

7. The lifting weighing mechanism of the automatic batching system according to claim 6 is characterized in that: An adjustment ring is threadedly connected to the outer circle of the piston rod end of the lifting and weighing cylinder, and the adjustment ring is locked and fixed on the threaded outer circle of the piston rod end by a locking nut; the clamping groove is arranged on the outer circle of the adjustment ring, and the U-shaped clamping block is clamped on the clamping groove of the outer circle of the adjustment ring at the end of the piston rod of the lifting and weighing cylinder.

8. The lifting weighing mechanism of the automatic batching system according to claim 1, characterized in that: The barrel weighing support plate is a disc-shaped support plate, and chamfered edges are arranged on both sides of the disc-shaped support plate.

9. The lifting weighing mechanism of the automatic batching system according to claim 1, characterized in that: A number of guide elements are arranged at the lower end of the base plate, the guide holes are arranged on the guide elements at the lower end of the base plate, and the guide shaft is slidably connected with the guide holes on the guide elements at the lower end of the base plate.

10. The lifting weighing mechanism of the automatic batching system according to claim 3, characterized in that: A wiring lead-out window is provided on one side of the sensor housing.

Images