Quantity control device of semi-automatic filling machine

Abstract

The utility model discloses a quantity control device of a semi-automatic filling machine, and belongs to the technical field of filling equipment. The quantity control device comprises a machine base, a filling cylinder body fixedly arranged on the machine base, a feeding pipe fixedly connected to the filling cylinder body, and a storage hopper which is fixedly installed at the position, corresponding to the upper portion of the feeding pipe, of the filling cylinder body, communicates with the feeding pipe and is used for storing materials. The feeding pipe is fixedly connected to one end of the filling cylinder body, the discharging pipe is fixedly connected to one end of the filling cylinder body, the one-way valves are fixedly arranged on the feeding pipe and the discharging pipe respectively, the filling head is arranged at the end, away from the filling cylinder body, of the discharging pipe and used for filling materials, and the piston transversely moves in the filling cylinder body. According to the quantity control device, a detachable structure is arranged, so that an operator can easily disassemble and assemble the filling head, the filling head is convenient to replace or maintain, the service life of equipment is prolonged, and the quantity control device is suitable for filling of materials of different specifications or types.

Description

Technical Field

[0001] The utility model relates to the technical field of filling equipment, in particular to a quantity control device for a semi-automatic filling machine. Background Art

[0002] An automatic filling machine is a device used to fill liquid, powder or granular materials. Compared with a fully automatic filling machine, its operation requires a certain degree of manual intervention. Usually the operator needs to manually place the container and start the machine, and the machine will fill according to the preset parameters.

[0003] The Chinese utility model patent with announcement number CN210595224U discloses a quantity control device for a semi-automatic filling machine. In this technology, a quantity control mechanism is provided, and a first filling tube and a second filling tube are provided on the quantity control mechanism, so that quantitative filling of containers of different volumes can be realized. However, in the quantity control device, the first filling tube and the second filling tube used for filling are directly fixed on the entire device. This installation method makes the maintenance of the first filling tube and the second filling tube inconvenient. Therefore, as the use time accumulates, the first filling tube and the second filling tube will be worn, blocked or in other conditions, resulting in inaccurate filling volume and affecting product quality.

[0004] Therefore, a semi-automatic filling machine quantity control device is needed to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The utility model provides a semi-automatic filling machine quantity control device, aiming to solve the problem that in the prior art proposed in the background technology, the first filling tube and the second filling tube used for filling are directly fixed on the whole device, and this installation method makes the maintenance of the first filling tube and the second filling tube inconvenient.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a semi-automatic filling machine quantity control device, comprising a machine base, a filling cylinder body fixedly arranged on the machine base, a feed pipe fixedly connected to the filling cylinder body, a storage hopper fixedly installed on the filling cylinder body at a position corresponding to the upper part of the feed pipe and connected to the feed pipe for storing materials, a discharge pipe fixedly connected to one end of the filling cylinder body, a one-way valve fixedly arranged on the feed pipe and the discharge pipe respectively, a filling head arranged at the end of the discharge pipe away from the filling cylinder body for material filling, a piston that moves laterally in the filling cylinder body, and a driving mechanism arranged at the end of the filling cylinder body away from the discharge pipe for driving the piston to move; the driving mechanism drives the piston to move laterally in the filling cylinder body, so that the suction and filling amount of the material can be accurately controlled, and at the same time, the setting of the one-way valve ensures the one-way flow of the material in the pipeline, prevents backflow and leakage, thereby ensuring the accuracy and stability of the filling.

[0009] In order to facilitate the maintenance or replacement of the filling head, unlike the prior art, the quantity control device also includes a detachable structure arranged between the discharge pipe and the filling head for disassembly and assembly of the filling head; through the detachable structure, the filling head can be easily disassembled and assembled, so that the operator can replace or maintain the filling head, which helps to extend the service life of the equipment and improve the quality of production. At the same time, when it is necessary to adapt to the filling of materials of different specifications or types, the operator can quickly replace the appropriate filling head.

[0010] In order to ensure the convenience and sealing of the detachable structure, the detachable structure includes a first flange and a second flange symmetrically arranged between the discharge pipe and the filling head and fixedly connected to the discharge pipe and the filling head respectively, a plurality of bolts arranged on the first flange and the second flange and distributed in a ring shape, a sealing gasket arranged between the first flange and the second flange, a first clamping groove and a second clamping groove respectively opened on the side of the first flange and the second flange close to each other and located on the outside of the sealing gasket, an airbag clamped in the first clamping groove and the second clamping groove for sealing connection between the first flange and the second flange, and a micro-inflating pump fixedly installed on one side of the first flange and connected to the airbag for inflating the airbag, and the first flange and the second flange are fixedly connected by the bolts; by arranging the first flange, the second flange and the bolts, the replacement and disassembly of the filling head are faster, and by arranging the sealing gasket, the airbag and the micro-inflating pump, efficient sealing between the first flange and the second flange can be achieved, effectively preventing leakage and overflow of materials during the filling process, and ensuring the accuracy of filling and the cleanliness of the working environment.

[0011] Preferably, in order to facilitate the precise control of the filling amount, the driving mechanism includes an electric push cylinder arranged at an end of the filling cylinder away from the discharge pipe and fixedly connected to the machine base, a mounting plate fixedly connected to the movable end of the electric push cylinder, and a connecting rod fixedly connected to the mounting plate on a side away from the electric push cylinder and transversely passing through the filling cylinder, the end of the connecting rod away from the mounting plate is fixedly connected to a side of the piston away from the discharge pipe, and the connecting rod is slidably connected to the filling cylinder; an electric push cylinder is used as a driving source, and its high-precision control capability can ensure that the piston moves at a predetermined speed and distance in the filling cylinder, thereby achieving precise material metering and filling, and improving product quality and consistency.

[0012] Preferably, in order to enhance stability, the driving mechanism also includes guide rods symmetrically arranged on both sides of the electric push cylinder and transversely passing through the mounting plate, the mounting plate is slidably sleeved on the guide rods, and the two ends of the guide rods are respectively fixedly connected to the filling cylinder body and the machine base; the guide rods provide additional support and guidance for the mounting plate, making it more stable when moving under the push of the electric push cylinder, thereby ensuring the precise movement of the piston in the filling cylinder body and preventing filling errors caused by shaking or deviation.

[0013] Preferably, in order to prevent the material from settling, a stirring structure for disturbing the material is provided at a position in the storage hopper corresponding to the feed pipe; regular or continuous stirring by the stirring structure can prevent the material from settling and solidifying at the bottom of the storage hopper, thereby ensuring that the material always remains in a loose state for easy access at any time.

[0014] Preferably, in order to achieve efficient material stirring, the stirring structure includes a fixed box fixedly installed in the storage hopper, a threaded auger rotatably connected to the fixed box and longitudinally penetrating the feed pipe, and a transmission assembly arranged at one end of the threaded auger close to the fixed box for transmitting the power of the electric push cylinder to the threaded auger to rotate the threaded auger; the spiral shape of the threaded auger is designed to effectively disturb the material when it rotates, thereby breaking the adhesion and agglomeration between the materials.

[0015] Preferably, in order to achieve efficient power transmission, the transmission assembly includes a first bevel gear arranged in the fixed box and fixedly sleeved on the threaded auger, a second bevel gear rotatably arranged in the fixed box and meshed with the first bevel gear, a transmission rod fixedly connected to the second bevel gear and transversely penetrating the fixed box and the storage hopper in turn, a transmission gear arranged on one side of the storage hopper and fixedly sleeved on the transmission rod, a support plate fixedly installed at a position below the transmission gear corresponding to the storage hopper and connected to the machine base, a through groove provided on the support plate, a toothed plate transversely moving in the through groove and meshed with the transmission gear, a support rod fixedly connected in the through groove and transversely penetrating the toothed plate, a connecting frame fixedly connected to the bottom of the toothed plate and connected to one side of the mounting plate, the transmission rod is rotatably connected to the fixed box and the storage hopper, and the toothed plate is slidably sleeved on the support rod; the combined design of the first bevel gear, the second bevel gear, the transmission rod, the transmission gear, the toothed plate, the support plate, the support rod and the connecting frame can efficiently transmit the drive of the electric push cylinder to the threaded auger, ensuring that the threaded auger can work stably and reliably.

[0016] (III) Beneficial effects

[0017] The quantity control device is provided with a detachable structure composed of a first flange, a second flange, bolts, a sealing gasket, a first clamping slot, a second clamping slot, an air bag and a micro air pump, so that an operator can easily disassemble and assemble the filling head to replace or maintain the filling head, which helps to extend the service life of the equipment and adapt to the filling of materials of different specifications or types, and at the same time ensures efficient sealing of the filling and ensures the accuracy of the filling;

[0018] The amount control device can regularly or continuously stir the material at the feed pipe position in the storage hopper by setting a stirring structure to prevent the material from settling and solidifying at the bottom of the storage hopper, thereby ensuring that the material always remains in a loose state for easy access at any time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a quantity control device of a semi-automatic filling machine;

[0020] Figure 2 It is a cross-sectional view of a quantity control device of a semi-automatic filling machine;

[0021] Figure 3 The figure is a cross-sectional view of a detachable structure in a quantity control device of a semi-automatic filling machine.

[0022] In the figure:

[0023] 1. Machine base;

[0024] 2. Filling cylinder; 21. Piston; 22. Driving mechanism; 221. Connecting rod; 222. Mounting plate; 223. Electric push cylinder; 224. Guide rod;

[0025] 3. Feed pipe;

[0026] 4. Storage hopper; 41. Stirring structure; 411. Fixing box; 412. Threaded auger; 413. First bevel gear; 414. Second bevel gear; 415. Transmission rod; 416. Transmission gear; 417. Tooth plate; 418. Support plate; 419. Support rod; 410. Connecting frame;

[0027] 5. Discharge pipe;

[0028] 6. Filling head;

[0029] 7. Removable structure; 71. First flange; 72. Second flange; 73. Bolt; 74. Sealing gasket; 75. First slot; 76. Second slot; 77. Airbag; 78. Micro air pump. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Example 1

[0032] The utility model provides a semi-automatic filling machine quantity control device, such as Figure 1-Figure 3As shown, the amount control device includes a machine base 1, a filling cylinder 2 fixedly arranged on the machine base 1, a feed pipe 3 fixedly connected to the filling cylinder 2, a storage hopper 4 fixedly installed on the filling cylinder 2 at a position above the corresponding feed pipe 3 and connected to the feed pipe 3 for storing materials, a discharge pipe 5 fixedly connected to one end of the filling cylinder 2, a one-way valve fixedly arranged on the feed pipe 3 and the discharge pipe 5 respectively, a filling head 6 arranged at the end of the discharge pipe 5 away from the filling cylinder 2 for material filling, a piston 21 that moves laterally in the filling cylinder 2, and a driving mechanism 22 arranged at the end of the filling cylinder 2 away from the discharge pipe 5 for driving the piston 21 to move; the amount control device also includes a detachable structure 7 arranged between the discharge pipe 5 and the filling head 6 for disassembling and assembling the filling head 6; the detachable structure 7 includes a The first flange 71 and the second flange 72 are arranged between the discharge pipe 5 and the filling head 6 and are fixedly connected to the discharge pipe 5 and the filling head 6 respectively, a plurality of bolts 73 are arranged on the first flange 71 and the second flange 72 and are distributed in a ring shape, a sealing gasket 74 is arranged between the first flange 71 and the second flange 72, a first clamping groove 75 and a second clamping groove 76 are respectively opened on the side of the first flange 71 and the second flange 72 close to each other and located on the outside of the sealing gasket 74, an airbag 77 clamped in the first clamping groove 75 and the second clamping groove 76 for sealing the first flange 71 and the second flange 72, and a micro air pump 78 fixedly installed on one side of the first flange 71 and connected to the airbag 77 for inflating the airbag 77. The first flange 71 and the second flange 72 are fixedly connected by bolts 73.

[0033] During use, the material to be filled is poured into the storage hopper 4 for storage in advance. When filling operation is required, the operator places the containers to be filled in turn at the position below the filling head 6, and then the driving mechanism 22 can be started to push the piston 21 to move. When the driving mechanism 22 pushes the piston 21 to move backward in the filling cylinder 2, at this time, the one-way valve on the feed pipe 3 opens, and then the piston 21 can suck a certain amount of material from the storage hopper 4 into the filling cylinder 2 through the feed pipe 3. Then, the piston 21 is driven to move forward in the filling cylinder 2 by the driving mechanism 22. At this time, the one-way valve on the discharge pipe 5 opens, and then the piston 21 can quantitatively inject the material in the filling cylinder 2 into the filling head 6 through the discharge pipe 5, and then quantitatively fill it into the container to be filled through the filling head 6. When each time After the filling operation or to meet different filling needs, the operator can turn off the micro air pump 78 to release the gas in the airbag 77, and then release the connection between the first flange 71 and the second flange 72 by disassembling the bolts 73. At this time, the filling head 6 can be easily removed from the discharge pipe 5 for maintenance or replacement. After maintenance or replacement, the first flange 71 and the second flange 72 are aligned, and the sealing gasket 74 is placed between the first flange 71 and the second flange 72. Then, the first flange 71 and the second flange 72 are fixed by bolts 73, and the micro air pump 78 is started to fill the airbag 77 with gas, so that the airbag 77 is completely engaged in the first slot 75 and the second slot 76, so that the first flange 71 and the second flange 72 can be sealed. Connection, to ensure the sealing of the filling operation.

[0034] Specifically, the driving mechanism 22 includes an electric push cylinder 223 which is arranged at one end of the filling cylinder 2 away from the discharge pipe 5 and fixedly connected to the base 1, a mounting plate 222 which is fixedly connected to the movable end of the electric push cylinder 223, and a connecting rod 221 which is fixedly connected to the side of the mounting plate 222 away from the electric push cylinder 223 and transversely penetrates the filling cylinder 2, one end of the connecting rod 221 away from the mounting plate 222 is fixedly connected to the side of the piston 21 away from the discharge pipe 5, and the connecting rod 221 is slidably connected to the filling cylinder 2; when filling operation is required, the connecting rod 221 is installed The connection between the plate 222 and the connecting rod 221 can start the electric push cylinder 223 to push the piston 21 to move horizontally in the filling cylinder body 2. When the electric push cylinder 223 pushes the piston 21 to move backward in the filling cylinder body 2, the material in the storage hopper 4 can be quantitatively drawn into the filling cylinder body 2 through the feeding pipe 3. When the electric push cylinder 223 drives the piston 21 to move forward in the filling cylinder body 2, the material drawn from the storage hopper 4 into the filling cylinder body 2 can be quantitatively pushed and injected into the filling head 6, and finally quantitatively filled into the container to be filled through the filling head 6.

[0035] Among them, in order to enhance stability, the driving mechanism 22 also includes a guide rod 224 symmetrically arranged on both sides of the electric push cylinder 223 and laterally penetrating the mounting plate 222, the mounting plate 222 is slidably sleeved on the guide rod 224, and the two ends of the guide rod 224 are respectively fixedly connected to the filling cylinder body 2 and the machine base 1; the guide rod 224 provides additional support and guidance for the mounting plate 222, making it more stable when moving under the push of the electric push cylinder 223, thereby ensuring the precise movement of the piston 21 in the filling cylinder body 2, and preventing filling errors caused by shaking or offset.

[0036] Example 2

[0037] Different from Example 1, in order to prevent the material from settling and ensure that the material always remains in a loose state for easy access at any time, a stirring structure 41 for disturbing the material is provided at the position of the storage hopper 4 corresponding to the feed pipe 3; the stirring structure 41 includes a fixed box 411 fixedly installed in the storage hopper 4, a threaded auger 412 rotatably connected to the fixed box 411 and longitudinally penetrating the feed pipe 3, and a transmission component provided at one end of the threaded auger 412 close to the fixed box 411 for transmitting the power of the electric push cylinder 223 to the threaded auger 412 to rotate the threaded auger 412; the transmission component includes a first bevel gear 413 provided in the fixed box 411 and fixedly mounted on the threaded auger 412, a second bevel gear 413 rotatably provided in the fixed box 411 and meshing with the first bevel gear 413 Gear 414, transmission rod 415 fixedly connected to the second bevel gear 414 and laterally penetrating through the fixed box 411 and the storage hopper 4 in sequence, transmission gear 416 arranged on one side of the storage hopper 4 and fixedly sleeved with transmission rod 415, support plate 418 fixedly installed at a position below the transmission gear 416 corresponding to the storage hopper 4 and connected to the machine base 1, through grooves provided on the support plate 418, toothed plate 417 laterally moving in the through grooves and meshing with the transmission gear 416, support rod 419 fixedly connected in the through grooves and laterally penetrating through the toothed plate 417, connection frame 410 fixedly connected to the bottom of the toothed plate 417 and connected to one side of the mounting plate 222, transmission rod 415 rotatably connected to the fixed box 411 and the storage hopper 4, toothed plate 417 slidably sleeved on support rod 419;

[0038] When the piston 21 is pushed to move laterally by the electric push cylinder 223, due to the fixed connection between the connecting frame 410 and the mounting plate 222, the electric push cylinder 223 can push the connecting frame 410 to move horizontally while pushing the piston 21 to move. Since the connecting frame 410 is fixedly connected to the support plate 418 slidably sleeved on the support rod 419, and the support plate 418 is meshed with the toothed plate 417 connected to the transmission rod 415, when the connecting frame 410 moves horizontally, the transmission rod 415 can rotate synchronously, and the second bevel gear 414 connected to the transmission rod 415 is meshed with the threaded auger 412 connected to the threaded auger 412. Therefore, when the transmission rod 415 rotates, the threaded auger 412 also rotates synchronously. With the rotation of the threaded auger 412, the material stored in the storage hopper 4 can be stirred regularly or continuously, thereby effectively preventing the material from settling or accumulating at the feed pipe 3 so that it can be taken at any time.

[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A semi-automatic filling machine quantity control device, comprising a machine base (1), a filling cylinder (2) fixedly arranged on the machine base (1), a feed pipe (3) fixedly connected to the filling cylinder (2), a storage hopper (4) fixedly installed on the filling cylinder (2) at a position above the feed pipe (3) and connected to the feed pipe (3) for storing materials, a discharge pipe (5) fixedly connected to one end of the filling cylinder (2), a one-way valve fixedly arranged on the feed pipe (3) and the discharge pipe (5), respectively, a filling head (6) arranged at the end of the discharge pipe (5) away from the filling cylinder (2) for material filling, a piston (21) moving laterally in the filling cylinder (2), and a driving mechanism (22) arranged at the end of the filling cylinder (2) away from the discharge pipe (5) for driving the piston (21) to move; Features: The quantity control device further comprises a detachable structure (7) disposed between the discharge pipe (5) and the filling head (6) for assembling and disassembling the filling head (6); The detachable structure (7) comprises a first flange (71) and a second flange (72) symmetrically arranged between the discharge pipe (5) and the filling head (6) and fixedly connected to the discharge pipe (5) and the filling head (6), respectively; a plurality of bolts (73) arranged on the first flange (71) and the second flange (72) and distributed in an annular manner; a sealing gasket (74) arranged between the first flange (71) and the second flange (72); a first clamping groove (75) and a second clamping groove (76) respectively opened on the side where the first flange (71) and the second flange (72) are close to each other and located outside the sealing gasket (74); an airbag (77) clamped in the first clamping groove (75) and the second clamping groove (76) for sealingly connecting the first flange (71) and the second flange (72); and a micro air pump (78) fixedly installed on one side of the first flange (71) and connected to the airbag (77) for inflating the airbag (77); the first flange (71) and the second flange (72) are fixedly connected by the bolts (73).

2. A semi-automatic filling machine quantity control device according to claim 1, characterized in that: The driving mechanism (22) comprises an electric push cylinder (223) arranged at an end of the filling cylinder body (2) away from the discharge pipe (5) and fixedly connected to the machine base (1), a mounting plate (222) fixedly connected to the movable end of the electric push cylinder (223), and a connecting rod (221) fixedly connected to a side of the mounting plate (222) away from the electric push cylinder (223) and transversely passing through the filling cylinder body (2), one end of the connecting rod (221) away from the mounting plate (222) is fixedly connected to a side of the piston (21) away from the discharge pipe (5), and the connecting rod (221) is slidably connected to the filling cylinder body (2).

3. A semi-automatic filling machine quantity control device according to claim 2, characterized in that: The driving mechanism (22) further comprises a guide rod (224) symmetrically arranged on both sides of the electric push cylinder (223) and transversely penetrating the mounting plate (222); the mounting plate (222) is slidably sleeved on the guide rod (224); and the two ends of the guide rod (224) are respectively fixedly connected to the filling cylinder body (2) and the machine base (1).

4. A semi-automatic filling machine quantity control device according to claim 2, characterized in that: A stirring structure (41) for disturbing the material is provided at a position in the storage hopper (4) corresponding to the feeding pipe (3).

5. A semi-automatic filling machine quantity control device according to claim 4, characterized in that: The stirring structure (41) comprises a fixed box (411) fixedly installed in the storage hopper (4), a threaded auger (412) rotatably connected to the fixed box (411) and longitudinally penetrating the feed pipe (3), and a transmission component arranged at one end of the threaded auger (412) close to the fixed box (411) for transmitting power from the electric push cylinder (223) to the threaded auger (412) to rotate the threaded auger (412).

6. A semi-automatic filling machine quantity control device according to claim 5, characterized in that: The transmission assembly comprises a first bevel gear (413) arranged in the fixing box (411) and fixedly sleeved on the threaded auger (412), a second bevel gear (414) rotatably arranged in the fixing box (411) and meshing with the first bevel gear (413), a transmission rod (415) fixedly connected to the second bevel gear (414) and sequentially passing through the fixing box (411) and the material storage hopper (4) transversely, a transmission gear (416) arranged on one side of the material storage hopper (4) and fixedly sleeved with the transmission rod (415), and a transmission gear (416) fixedly mounted on the material storage hopper (4) and corresponding to the transmission gear (416). A support plate (418) at a lower position and connected to the machine base (1), a through slot provided on the support plate (418), a tooth plate (417) which moves transversely in the through slot and meshes with the transmission gear (416), a support rod (419) fixedly connected in the through slot and transversely passing through the tooth plate (417), a connecting frame (410) fixedly connected to the bottom of the tooth plate (417) and connected to one side of the mounting plate (222), the transmission rod (415) being rotatably connected to the fixed box (411) and the storage hopper (4), and the tooth plate (417) being slidably sleeved on the support rod (419).

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