Plastic bottle filling machine

Abstract

The utility model relates to the technical field of filling machines, and discloses a plastic bottle filling machine which comprises a bottom plate, a fixing plate is fixedly installed at the top of the bottom plate, a liquid injection filling mechanism is arranged on the front face of the fixing plate, a transportation positioning mechanism is arranged at the top of the bottom plate, and the liquid injection filling mechanism comprises a liquid injection assembly and a filling assembly. The liquid injection assembly is arranged on the front face of the fixing plate, and the filling assembly is arranged at the bottom of the liquid injection assembly. According to the plastic bottle filling machine, through the arranged liquid injection filling mechanism, in the using process, a first electromagnetic valve is controlled to be opened, materials in a liquid storage barrel are made to quantitatively enter a liquid measuring tank, plastic bottles are filled with the materials in the liquid measuring tank through control of a second electromagnetic valve, and meanwhile when the liquid measuring tank discharges liquid, the plastic bottles are filled with the materials in the liquid measuring tank; the sealing plate is opened through the electric push rod, external air enters the liquid measuring tank through the air inlet hole, and therefore it is guaranteed that materials in the liquid measuring tank can be rapidly discharged.

Description

Technical Field

[0001] The utility model relates to the technical field of filling machines, in particular to a plastic bottle filling machine. Background Art

[0002] Filling machines are mainly a small category of packaging machines. From the perspective of material packaging, they can be divided into liquid filling machines, paste filling machines, powder filling machines, and granule filling machines. Plastic bottles are commonly used storage tools. Materials are injected into plastic bottles for storage and sales through filling machines.

[0003] According to the description of a plastic bottle filling machine disclosed on the patent website (authorization announcement number: 216509249U), "The utility model provides a plastic bottle filling machine, including: a top plate, a filling hole, a filling bin, a platform frame, a support plate, a shell, a conduit, a driven head, a belt, a guide roller, a drive roller, a driving head, a motor, a driven head, a belt, a guide roller, a drive roller, a main line, a reflective shell, an ultraviolet emitter, a drying module, a water storage tank, a guide pipe and a conveyor belt. The upper end surface of the top plate is provided with a filling hole, the lower end surface of the top plate is provided with a filling bin, a conduit is installed at the middle position of the upper end of the inner side of the shell, a belt is installed on the inner side of the driven head, and a guide roller is installed on the right end surface of the driven head. Compared with the prior art, the utility model has the following beneficial effects: by using an ultraviolet emitter, ultraviolet sterilization can be carried out inside the filling bin, and by using a drying module, the inside of the filling bin can be effectively kept dry to prevent bacteria from growing, thereby improving the disinfection and sterilization effect of the utility model."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use, the utility model pours the filling raw materials through the filling hole. Since a plurality of filling tubes are installed on the lower end surface of the filling hole, the filling tubes are made of a metal material in actual use, so the plastic bottles can be quickly filled. However, in actual use, the device is not convenient for quantitative filling of plastic bottles. At the same time, during the filling process, the plastic bottles cannot be accurately positioned, making it inconvenient to align the opening of the plastic bottle with the filling tube during the filling process. Therefore, it is necessary to improve a plastic bottle filling machine to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a plastic bottle filling machine to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic bottle filling machine, comprising a base plate, a fixing plate fixedly installed on the top of the base plate, a liquid injection and filling mechanism arranged on the front of the fixing plate, and a transport positioning mechanism arranged on the top of the base plate.

[0008] The liquid injection and filling mechanism comprises a liquid injection component and a filling component. The liquid injection component is arranged on the front side of the fixed plate, and the filling component is arranged on the bottom of the liquid injection component.

[0009] Preferably, the injection assembly includes a fixed frame, which is fixedly installed on the front side of the fixed plate, a liquid storage cylinder is fixedly installed inside the fixed frame, a liquid inlet pipe is fixedly installed on the top of the liquid storage cylinder, a first motor is fixedly installed on the top of the liquid storage cylinder, a stirring paddle is fixedly installed on the output end of the first motor, a filter is fixedly installed inside the liquid storage cylinder, a scraper is fixedly installed on the end of the stirring paddle away from the first motor, a drain pipe is fixedly installed on the bottom of the liquid storage cylinder, and a first solenoid valve is arranged inside the drain pipe to facilitate quantitative liquid injection in the vector liquid tank.

[0010] Preferably, a through hole is opened at the top of the liquid storage cylinder, the stirring paddle penetrates and is rotatably installed inside the through hole, and the scraper is in contact with the filter screen to avoid clogging of the filter screen.

[0011] Preferably, the filling assembly includes a measuring liquid tank, which is fixedly mounted on the bottom of the discharge pipe, a filling tube is fixedly mounted on the bottom of the measuring liquid tank, a second solenoid valve is arranged inside the filling tube, a mounting frame is fixedly mounted on the outside of the measuring liquid tank, and the mounting frame is fixedly mounted on the front of a fixed plate, a limiting frame is fixedly mounted on the left side of the measuring liquid tank, a sealing plate is slidably mounted inside the limiting frame, a mounting seat is fixedly mounted on the left side of the measuring liquid tank, an electric push rod is fixedly mounted between the top of the mounting seat and the sealing plate, and an air inlet hole is opened on the left side of the measuring liquid tank to facilitate rapid filling of plastic bottles.

[0012] Preferably, a liquid level gauge is provided on the front of the measuring tank, and the position of the sealing plate corresponds to the position of the air inlet hole, so that the sealing plate can close the air inlet hole when the measuring tank is filled with liquid.

[0013] Preferably, the transport positioning mechanism includes a conveyor belt, which is arranged on the top of the base plate, and a limit baffle is fixedly installed on the top of the conveyor belt. A mounting frame is fixedly installed on the front of the fixed plate, and a limit tooth plate is slidably installed inside the mounting frame. A second motor is fixedly installed on the top of the mounting frame, and a gear is fixedly installed on the output end of the second motor to facilitate the transport and positioning of plastic bottles.

[0014] Preferably, a through slot is provided on the left side of the installation frame, and the gear passes through the through slot and meshes with the limiting tooth plate, so that the gear drives the limiting tooth plate to slide.

[0015] Compared with the prior art, the utility model provides a plastic bottle filling machine, which has the following beneficial effects:

[0016] 1. The plastic bottle filling machine, through the liquid injection and filling mechanism, controls the first solenoid valve to open during use, so that the material in the liquid storage cylinder enters the liquid measuring tank in a quantitative manner, and the second solenoid valve is controlled to fill the material in the liquid measuring tank into the plastic bottle. At the same time, when the liquid measuring tank is draining, the sealing plate is opened by the electric push rod, and the external air is allowed to enter the liquid measuring tank through the air inlet hole, thereby ensuring that the material in the liquid measuring tank can be quickly discharged. At the same time, the stirring paddle is rotated inside the liquid storage cylinder, so that the material distribution can be more even, and the scraper is driven by the stirring paddle to rotate on the top of the filter screen, thereby avoiding clogging of the filter screen.

[0017] 2. The plastic bottle filling machine uses a transport positioning mechanism to transfer plastic bottles through a conveyor belt during use, and at the same time cooperates with a limit baffle to limit the front and rear positions of the plastic bottles. The second motor drives the limit tooth plate to block and limit the plastic bottles, ensuring that the filling tube can be aligned with the filling port of the plastic bottle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the appearance and structure of the liquid injection and filling mechanism of the utility model;

[0021] Figure 3 This is a front sectional structural diagram of the liquid injection and filling mechanism of the utility model;

[0022] Figure 4 This is a schematic diagram of the appearance structure of the filling component of the utility model;

[0023] Figure 5 This is a schematic diagram of the exploded structure of the liquid injection and filling mechanism of the utility model;

[0024] Figure 6 This is a schematic diagram of the appearance structure of the transport positioning mechanism of the utility model;

[0025] Figure 7 This is a schematic diagram of the appearance and structure of the installation frame and the connected mechanism of the utility model.

[0026] In the figure: 1, bottom plate; 2, fixed plate; 3, liquid injection and filling mechanism; 31, liquid injection assembly; 311, fixed frame; 312, liquid storage cylinder; 313, liquid inlet pipe; 314, first motor; 315, stirring paddle; 316, scraper; 317, filter screen; 318, liquid discharge pipe; 319, first solenoid valve; 32, filling assembly; 321, liquid measuring tank; 322, liquid filling pipe; 323, second solenoid valve; 324, mounting frame; 325, limit frame; 326, sealing plate; 327, mounting seat; 328, electric push rod; 329, air inlet hole; 4, transportation positioning mechanism; 41, conveyor belt; 42, limit baffle; 43, mounting frame; 44, second motor; 45, gear; 46, limit tooth plate. DETAILED DESCRIPTION

[0027] 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.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Embodiment 1:

[0030] See also Figure 1-5 The utility model provides a technical solution: a plastic bottle filling machine, comprising a bottom plate 1, a fixed plate 2 is fixedly installed on the top of the bottom plate 1, a liquid injection and filling mechanism 3 is arranged on the front of the fixed plate 2, and a transport positioning mechanism 4 is arranged on the top of the bottom plate 1.

[0031] The liquid injection and filling mechanism 3 includes a liquid injection component 31 and a filling component 32 . The liquid injection component 31 is arranged on the front side of the fixed plate 2 , and the filling component 32 is arranged on the bottom of the liquid injection component 31 .

[0032] Furthermore, the injection assembly 31 includes a fixed frame 311, which is fixedly installed on the front side of the fixed plate 2, a liquid storage cylinder 312 is fixedly installed inside the fixed frame 311, a liquid inlet pipe 313 is fixedly installed on the top of the liquid storage cylinder 312, a first motor 314 is fixedly installed on the top of the liquid storage cylinder 312, a stirring paddle 315 is fixedly installed on the output end of the first motor 314, a filter screen 317 is fixedly installed inside the liquid storage cylinder 312, a scraper 316 is fixedly installed on the end of the stirring paddle 315 away from the first motor 314, a drain pipe 318 is fixedly installed on the bottom of the liquid storage cylinder 312, and a first solenoid valve 319 is arranged inside the drain pipe 318 to facilitate quantitative liquid injection in the vector liquid tank 321.

[0033] Furthermore, a through hole is opened at the top of the liquid storage cylinder 312, and the stirring paddle 315 penetrates and is rotatably installed inside the through hole. The scraper 316 is in contact with the filter screen 317 to prevent the filter screen 317 from being blocked.

[0034] Furthermore, the filling component 32 includes a measuring tank 321, which is fixedly installed at the bottom of the discharge pipe 318, a filling pipe 322 is fixedly installed at the bottom of the measuring tank 321, a second solenoid valve 323 is arranged inside the filling pipe 322, a mounting frame 324 is fixedly installed outside the measuring tank 321, and the mounting frame 324 is fixedly installed on the front of the fixed plate 2, a limit frame 325 is fixedly installed on the left side of the measuring tank 321, a sealing plate 326 is slidably installed inside the limit frame 325, a mounting seat 327 is fixedly installed on the left side of the measuring tank 321, an electric push rod 328 is fixedly installed between the top of the mounting seat 327 and the sealing plate 326, and an air inlet hole 329 is opened on the left side of the measuring tank 321 to facilitate rapid filling of plastic bottles.

[0035] Furthermore, a liquid level gauge is provided on the front of the measuring tank 321 , and the position of the sealing plate 326 corresponds to the position of the air inlet 329 , so that the sealing plate 326 can close the air inlet 329 when the measuring tank 321 is filled with liquid.

[0036] Embodiment 2:

[0037] See also Figure 6 and Figure 7 , and combined with Example 1, it is further obtained that the transport positioning mechanism 4 includes a conveyor belt 41, the conveyor belt 41 is arranged on the top of the bottom plate 1, a limit baffle 42 is fixedly installed on the top of the conveyor belt 41, a mounting frame 43 is fixedly installed on the front of the fixed plate 2, a limit tooth plate 46 is slidably installed inside the mounting frame 43, a second motor 44 is fixedly installed on the top of the mounting frame 43, and a gear 45 is fixedly installed on the output end of the second motor 44, which is convenient for transporting and positioning plastic bottles.

[0038] Furthermore, a through slot is provided on the left side of the mounting frame 43 , and the gear 45 passes through the through slot and meshes with the limiting tooth plate 46 , so that the gear 45 drives the limiting tooth plate 46 to slide.

[0039] In actual operation, when the device is used, first, the plastic bottle is moved to the bottom of the filling pipe 322 by the conveyor belt 41, and the plastic bottle is blocked and limited by the limiting tooth plate 46, and then the first electromagnetic valve 319 is opened to open the discharge pipe 318, so that the material in the liquid storage cylinder 312 enters the liquid measuring tank 321. When the required filling amount is reached, the first electromagnetic valve 319 is closed, and then the second electromagnetic valve 323 is opened to open the filling pipe 322 to fill the material into the plastic bottle. At the same time, the electric push rod 328 drives the sealing plate 326 to move downward to open the air inlet 329 to assist the liquid measuring tank 321 in filling. During the filling, the first motor 314 drives the stirring paddle 315 to rotate, so that the stirring paddle 315 stirs the material in the liquid storage cylinder 312 to avoid sedimentation, and at the same time, the stirring paddle 315 drives the scraper 316 to rotate on the filter screen 317;

[0040] When the filling is completed, the second motor 44 drives the gear 45 to rotate, so that the gear 45 drives the limiting tooth plate 46 to move backward, and then the conveyor belt 41 drives the filled plastic bottles to move to the left, and the unfilled plastic bottles continue to move to the bottom of the filling tube 322, and at the same time the limiting tooth plate 46 is reset to limit the position.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A plastic bottle filling machine, comprising a bottom plate (1), Features: A fixing plate (2) is fixedly mounted on the top of the base plate (1), a liquid injection and filling mechanism (3) is arranged on the front of the fixing plate (2), and a transport positioning mechanism (4) is arranged on the top of the base plate (1); The liquid injection and filling mechanism (3) comprises a liquid injection component (31) and a filling component (32); the liquid injection component (31) is arranged on the front side of the fixed plate (2), and the filling component (32) is arranged on the bottom side of the liquid injection component (31).

2. A plastic bottle filling machine according to claim 1, Features: The liquid injection assembly (31) comprises a fixing frame (311), wherein the fixing frame (311) is fixedly mounted on the front side of the fixing plate (2), a liquid storage cylinder (312) is fixedly mounted inside the fixing frame (311), a liquid inlet pipe (313) is fixedly mounted on the top of the liquid storage cylinder (312), a first motor (314) is fixedly mounted on the top of the liquid storage cylinder (312), a stirring paddle (315) is fixedly mounted on the output end of the first motor (314), a filter screen (317) is fixedly mounted inside the liquid storage cylinder (312), a scraper (316) is fixedly mounted on one end of the stirring paddle (315) away from the first motor (314), a liquid discharge pipe (318) is fixedly mounted on the bottom of the liquid storage cylinder (312), and a first solenoid valve (319) is arranged inside the liquid discharge pipe (318).

3. A plastic bottle filling machine according to claim 2, Features: A through hole is provided at the top of the liquid storage cylinder (312), the stirring paddle (315) penetrates through and is rotatably installed inside the through hole, and the scraper (316) is in contact with the filter screen (317).

4. A plastic bottle filling machine according to claim 2, Features: The filling assembly (32) comprises a liquid measuring tank (321), the liquid measuring tank (321) being fixedly mounted at the bottom of the liquid discharge pipe (318), a liquid filling pipe (322) being fixedly mounted at the bottom of the liquid measuring tank (321), a second solenoid valve (323) being arranged inside the liquid filling pipe (322), a mounting frame (324) being fixedly mounted outside the liquid measuring tank (321), and the mounting frame (324) being fixedly mounted on the front of the fixed plate (2), a limit frame (325) being fixedly mounted on the left side of the liquid measuring tank (321), a sealing plate (326) being slidably mounted inside the limit frame (325), a mounting seat (327) being fixedly mounted on the left side of the liquid measuring tank (321), an electric push rod (328) being fixedly mounted between the top of the mounting seat (327) and the sealing plate (326), and an air inlet hole (329) being opened on the left side of the liquid measuring tank (321).

5. A plastic bottle filling machine according to claim 4, Features: A liquid level gauge is provided on the front of the measuring liquid tank (321), and the position of the sealing plate (326) corresponds to the position of the air inlet hole (329).

6. A plastic bottle filling machine according to claim 1, Features: The transport positioning mechanism (4) comprises a conveyor belt (41), the conveyor belt (41) is arranged on the top of the base plate (1), a limit baffle (42) is fixedly installed on the top of the conveyor belt (41), a mounting frame (43) is fixedly installed on the front of the fixed plate (2), a limit tooth plate (46) is slidably installed inside the mounting frame (43), a second motor (44) is fixedly installed on the top of the mounting frame (43), and a gear (45) is fixedly installed on the output end of the second motor (44).

7. A plastic bottle filling machine according to claim 6, Features: A through slot is provided on the left side of the installation frame (43), and the gear (45) passes through the through slot and meshes with the limiting toothed plate (46).

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