Automatic filling machine and filling production line

Abstract

The invention discloses an automatic filling machine and a filling production line. The automatic filling machine comprises a filling workbench which rotates around the filling workbench, a material box which is arranged above the filling workbench and synchronously moves along with the filling workbench, and a filling cam part which is arranged outside the material box in a sleeving mode and fixedly arranged in the circumferential direction. A top cover is arranged at the top of the material box, a foam back-suction assembly is arranged at the bottom of the material box, a plurality of filling heads are evenly arranged on the peripheral face of the material box, the top cover is matched with the material box in a rotating and sealing mode and fixedly provided with a feeding assembly communicated with the material box, and the tops of the filling heads are movably matched with the filling cam part in the circumferential direction. And the bottom is positioned below the material box and is provided with a blanking nozzle and a back-suction nozzle which are respectively communicated with the material box and the foam back-suction assembly. A piston lifting structure is not required to be used or the liquid filling speed is not required to be reduced during follow-up filling, so that foam can be reduced, and the follow-up filling device is better suitable for filling products which are easy to generate foam and have higher sanitary requirements.

Description

Technical Field

[0001] The present invention relates to the technical field of automatic filling, and in particular to an automatic filling machine and a filling production line. Background Art

[0002] At present, the automatic filling machines on the market mainly include rotary filling and in-line filling. For the filling of some products that are easy to produce foam, most of them use in-line filling, which is lifted and lowered by the piston cylinder, that is, the feeding nozzle automatically moves up during filling. This structure is difficult to meet the hygiene requirements in the medical field due to the use of piston cylinders, and cannot be used for filling products with high hygiene requirements such as Jieryin. Although the rotary filling machine avoids the use of piston cylinders, since products such as Jieryin are easy to produce foam during filling, traditional rotary filling machines are very easy to produce foam, which can easily lead to large-scale pollution and other problems. Therefore, for such products that are easy to produce foam and have high hygiene requirements, the liquid filling speed can only be slowed down during filling to reduce the generation of foam as much as possible, which seriously affects the filling efficiency. Summary of the invention

[0003] The purpose of the present invention is to propose an automatic filling machine and a filling production line to address the deficiencies of the prior art, which does not require reducing the liquid filling speed and can reduce the generation of foam, and can be better suitable for filling products that are prone to foam and have high hygiene requirements.

[0004] The technical solution to achieve the purpose of the present invention is:

[0005] An automatic filling machine comprises a filling workbench which rotates around itself, a material box which is arranged above the filling workbench and moves synchronously with the filling workbench, and a filling cam part which is sleeved outside the material box and fixedly arranged along the circumferential direction. A top cover is arranged on the top of the material box, a foam back-suction assembly is arranged on the bottom, and a plurality of filling heads are evenly arranged on the outer circumferential surface. The top cover is in cooperation with the material box for rotational sealing and is fixedly provided with a feeding assembly connected to the material box. The top of the filling head is in cooperation with the filling cam part in a circumferential direction, and the bottom is located below the material box and is provided with a feed nozzle and a back-suction nozzle which are respectively connected to the material box and the foam back-suction assembly.

[0006] Furthermore, the material box includes a first material storage section and a second material storage section adjacent to the first material storage section and lower than the first material storage section, the feeding assembly includes a main feed pipe and a circulating feed pipe connected to the first material storage section, and a circulating outlet pipe connected to the second material storage section, a circulating diaphragm pump is provided between the circulating outlet pipe and the circulating feed pipe, a liquid level detector is provided in the second material storage section, and the liquid level detector is signal-connected to the circulating diaphragm pump.

[0007] Furthermore, a first partition is provided in the first material storage portion, the top of the first partition is higher than the top of the second material storage portion, and a through hole is provided at the bottom to form a first material storage space and a second material storage space that are adjacently arranged and interconnected, the first material storage space is adjacent to the second material storage portion, the main feed pipe and the circulating feed pipe are both connected to the first material storage space, and the discharge nozzle is connected to the second material storage space.

[0008] Furthermore, the second material storage part is cylindrical, the first material storage space and the second material storage space are both annular spaces and are arranged in the second material storage part from the inside to the outside, and a plurality of second partitions are evenly distributed along the circumferential direction on the upper part of the second material storage space.

[0009] Furthermore, the feed assembly also includes an annular reflux pipe fixedly arranged at the bottom of the top cover, the bottom of the annular reflux pipe is connected to a discharge pipe extending to the first storage space, and the main feed pipe and the circulating feed pipe are both connected to the annular reflux pipe.

[0010] Furthermore, an annular extension platform is provided on the upper outer peripheral surface of the material box, and the filling head includes a guide rod assembly installed on the annular extension platform, a roller cooperating with the filling cam portion is provided on the top of the guide rod assembly, and a filling seat is provided at the lower end, and a filling tube connected to the material box is detachably fixed on the filling seat, the feed nozzle is sealably inserted in the lower end of the filling tube, and the back-suction nozzle is gap-sleeved outside the feed nozzle, the upper end is in fixed and sealed contact with the feed nozzle, the lower end is higher than the lower end of the feed nozzle and a back-suction port connected to the foam back-suction assembly is provided on the side.

[0011] Furthermore, the foam back-suction assembly includes an annular pipe arranged below the material box and a back-suction main pipe sealed and passing through the material box along the direction of the rotation axis. The annular pipe is circumferentially provided with a back-suction branch pipe connected to the back-suction nozzle. The lower end of the back-suction main pipe is connected to the annular pipe, and a rotary sealing joint is connected between the upper end and the material box, and the rotary sealing joint is connected to an external suction device.

[0012] Furthermore, a screw lifting mechanism is fixedly connected to the bottom of the filling cam portion.

[0013] Furthermore, a plurality of screw lifting columns connected to the material box are vertically provided on the upper surface of the filling workbench along the circumferential direction, and a driving motor is fixedly installed on the lower surface. The lower end of the screw lifting column passes through the filling workbench and is coaxially fixedly connected to a driven gear. The motor shaft of the driving motor is coaxially fixedly installed with a driving gear. The driving gear and the driven gear are located in the same horizontal plane and are connected through a chain transmission.

[0014] A filling production line comprises the automatic filling machine as described above.

[0015] By adopting the above technical solution, the present invention has the following beneficial effects:

[0016] (1) The present invention provides a filling workbench for placing transported empty bottles, and provides a synchronously moving material box and a filling head to realize follow-up filling, and additionally provides a foam back-suction component. In combination with a filling head with a special structure, while gravity filling is performed through a feed nozzle, the generated foam is sucked out in time through a back-suction nozzle connected to the back-suction component, thereby avoiding the use of a piston cylinder. This can avoid the generation of foam and take into account the hygienic requirements at the same time, without reducing the liquid filling speed, and can be better applied to filling products that are prone to foam generation and have high hygienic requirements.

[0017] (2) The present invention is provided with a material box and a feeding assembly of a special structure, which conveys the material to the first material storage part through the main feeding pipe, and overflows from the first material storage part and flows to the second material storage part at a lower position. The liquid level detector detects the liquid level change and controls the operation of the circulating diaphragm pump, and then the circulating diaphragm pump sucks the material in the second material storage part to the first material storage part. Therefore, under the regulation of the feeding speed of the circulating diaphragm pump and the main feeding pipe, the liquid level of the first material storage part is always at the highest point, thereby achieving a constant self-flow filling speed and improving the filling accuracy.

[0018] (3) The present invention divides the first material storage part into two interconnected material storage spaces by the first partition, so that the material directly enters the first material storage space and flows to the second material storage space from the through hole at the bottom of the liquid surface, thereby reducing the generation of foam in the liquid surface area flowing to the filling head.

[0019] (4) The present invention reduces the flow of liquid in the rotating material box by providing a second partition, further reduces the generation of foam, and at the same time makes the flow rate to the filling head more stable.

[0020] (5) The present invention provides an annular reflux pipe so that the material first flows to the annular reflux pipe for buffering and then flows to the first material storage space, thereby avoiding excessive liquid surface flow rate and foaming. At the same time, the influence of the flow rate of the main feed pipe on gravity filling can be reduced.

[0021] (6) The present invention realizes filling materials in the middle and re-sucking foam on the periphery by means of a re-sucking nozzle and a discharge nozzle with sealed contact at the upper end and clearance fit at the lower end. Not only is the overall structure compact, but the area of ​​re-sucking foam can also be expanded, thereby improving the foam re-sucking effect.

[0022] (7) The foam re-absorption component of the present invention can realize both foam suction and follow-up rotation through reasonable layout of pipelines, and the overall structure is simple.

[0023] (8) The present invention provides a screw lifting mechanism to adjust the initial position of the filling cam portion, so that it can better cooperate with the upper end of the filling head.

[0024] (9) The material box of the present invention is also designed to be a liftable structure, which is used in conjunction with a liftable filling cam portion to meet the filling needs of bottles of different height specifications and has a wider range of uses. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings, wherein:

[0026] Figure 1 It is a structural schematic diagram of the present invention;

[0027] Figure 2 is a cross-sectional view of the present invention;

[0028] Figure 3 It is a structural schematic diagram of the filling head of the present invention;

[0029] Figure 4 It is the filling principle diagram of the present invention.

[0030] The reference numerals in the accompanying drawings are:

[0031] Filling workbench 1, material box 2, top cover 2-1, first material storage part 2-2, second material storage part 2-3, first partition plate 2-4, through hole 2-4-1, second partition plate 2-5, annular extension platform 2-6, filling cam part 3, foam back-suction assembly 4, annular pipeline 4-1, back-suction main pipe 4-2, back-suction branch pipe 4-3, filling head 5, feed nozzle 5-1, back-suction nozzle 5-2, guide rod assembly 5-3, roller 5-4, filling seat 5-5, filling pipe 5-6, feeding assembly 6, main feed pipe 6-1, circulating feed pipe 6-2, circulating outlet pipe 6-3, circulating diaphragm pump 6-4, annular reflux pipe 6-5, outlet pipe 6-6, screw lifting mechanism 7, screw lifting column 8, drive motor 9, driven gear 10, driving gear 11, rotary sealing joint 12. DETAILED DESCRIPTION

[0032] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0033] (Example 1)

[0034] The filling production line of this embodiment is used to package materials with high hygiene requirements and easy to generate foam. It is not possible to use a piston-type lifting automatic filling machine. Figures 1 to 4The self-flowing automatic filling machine shown in the figure includes a filling workbench 1, a material box 2, a filling cam part 3, a foam re-absorption component 4, a filling head 5 and a feeding component 6, wherein a toothed disc is provided in the middle of the filling workbench 1, which rotates around itself under the action of an external drive, thereby driving the empty bottles conveyed therein to move. The material box 2 is arranged above the filling workbench 1 and moves synchronously with the filling workbench 1, and a top cover 2-1 is provided on the top, and the top cover 2-1 cooperates with the material box 2 in a rotating seal, so as to remain stationary when the material box 2 rotates. The filling cam part 3 is fixedly sleeved outside the material box 2 along the circumferential direction, and remains stationary when the material box 2 rotates. The foam re-absorption component 4 is arranged at the bottom of the material box 2, and the feeding component 6 is fixedly mounted on the top cover 2-1 and connected to the material box 2. The filling head 5 is evenly installed on the material box 2 along the circumference, and moves synchronously with the material box 2. The top part cooperates with the filling cam part 3 along the circumference. The bottom part is located below the material box 2 and is provided with a feed nozzle 5-1 and a back suction nozzle 5-2 respectively connecting the material box 2 and the foam back suction component 4. While the feed nozzle 5-1 performs gravity filling, the back suction nozzle 5-2 sucks out the generated foam in time. The entire filling structure not only avoids the generation of foam, but also takes into account the hygienic requirements. There is no need to reduce the liquid filling speed, and it can be better applied to filling products that are easy to generate foam and have high hygienic requirements.

[0035] Specifically, the bottom of the filling cam part 3 is fixedly connected with a screw lifting mechanism 7, so as to adjust the initial position of the filling cam part 3, so as to better cooperate with the upper end of the filling head 5. The upper surface of the filling workbench 1 is evenly and vertically provided with a plurality of screw lifting columns 8 connected to the material box 2 along the circumferential direction, and a driving motor 9 is fixedly installed on the lower surface. The lower end of the screw lifting column 8 penetrates the filling workbench 1 and is coaxially fixedly connected with a driven gear 10. The motor shaft of the driving motor 9 is coaxially fixed with a driving gear 11. The driving gear and the driven gear are located in the same horizontal plane and are connected through a chain transmission, so as to realize the synchronous lifting of multiple screw lifting columns, thereby driving the lifting of the material box 2, and used in conjunction with the lifting filling cam part to meet the filling of bottles of different height specifications, and the scope of use is wider.

[0036] The foam back-suction assembly 4 includes an annular pipe 4-1 disposed below the material box 2 and a back-suction main pipe 4-2 that seals and penetrates the material box 2 along the rotation axis direction. The annular pipe 4-1 is provided with a plurality of back-suction branch pipes 4-3 along the circumferential direction. Each back-suction branch pipe 4-3 corresponds to and communicates with the back-suction nozzle 5-2. The lower end of the back-suction main pipe 4-2 is connected to the annular pipe 4-1 through a pipe, and a rotary sealing joint 12 is connected between the upper end and the material box 2. The rotary sealing joint 12 is connected to an external suction device through a pipe, so that the foam generated during filling is sucked away through the back-suction nozzle 5-2. The overall foam back-suction assembly 4 can achieve both foam suction and synchronous rotation with the material box 2 through a reasonable layout of the pipes, and has a simple structure.

[0037] The material box 2 includes a first material storage part 2-2 and a second material storage part 2-3 which are adjacently arranged. The second material storage part 2-3 is a cylindrical structure and is located at the center of the material box. The first material storage part 2-2 is higher than the second material storage part 2-3 and is concentrically arranged outside the second material storage part 2-3. A first partition plate 2-4 of an annular structure is provided inside the first partition plate 2-4. The top of the first partition plate 2-4 is higher than the top of the second material storage part 2-3, and a through hole 2-4-1 is provided at the bottom, thereby dividing the second material storage part 2-3 into a first material storage space and a second material storage space which are adjacently arranged and interconnected.

[0038] The feed assembly 6 includes a main feed pipe 6-1, a circulating feed pipe 6-2, a circulating outlet pipe 6-3, a circulating diaphragm pump 6-4 and an annular reflux pipe 6-5. The annular reflux pipe 6-5 is fixedly arranged at the bottom of the top cover 2-1, and is connected with a plurality of outlet pipes 6-6 extending to the first storage space. The main feed pipe 6-1 and the circulating feed pipe 6-2 are both connected with the annular reflux pipe 6-5, and the circulating outlet pipe 6-3 is connected with the second storage part 2-3 and is connected with the circulating feed pipe 6-2 through the circulating diaphragm pump 6-4. A liquid level detector is arranged in the second storage part 2-3, and the liquid level detector is connected with the circulating diaphragm pump 6-4 by signal. The liquid level detector controls the operation of the circulating diaphragm pump 6-4 by detecting the liquid level height, thereby sucking the liquid material in the second storage part 2-3 into the first storage space. In actual use, the material is transported to the annular reflux pipe 6-5 through the main feed pipe 6-1 and then flows to the first storage space, and then flows to the second storage space through the through hole 2-4-1, and continues to feed until the liquid material overflows from the first storage part 2-2 and flows to the second storage part 2-3 located at a lower position. The liquid level detector detects the liquid level change and controls the operation of the circulating diaphragm pump 6-4, and then the material in the second storage part 2-3 is re-sucked into the first storage space by the circulating diaphragm pump 6-4, so that under the joint regulation of the feeding speed of the circulating diaphragm pump and the main feed pipe, the liquid level of the first storage part 2-2 is always at the highest point, and the outer peripheral surface of the second storage space is provided with pipes respectively connected to each discharge nozzle 5-1, so as to realize gravity filling. Compared with directly flowing from the main feed pipe to the second storage space, the gravity filling speed is guaranteed to be constant, the filling accuracy is improved, and the generation of foam is effectively reduced. A plurality of second partitions 2-5 are evenly distributed along the circumferential direction on the upper part of the second material storage space, thereby reducing the flow of liquid in the rotating material box 2, further reducing the generation of foam, and making the flow rate to the filling head 5 more stable.

[0039] An annular extension platform 2-6 is provided on the upper outer peripheral surface of the material box 2, and the filling head 5 also includes a guide rod assembly 5-3 installed on the annular extension platform 2-6, and a roller 5-4 cooperating with the filling cam portion 3 is provided on the top of the guide rod assembly 5-3, and a filling seat 5-5 is provided at the lower end. The filling seat 5-5 is detachably fixed with a filling tube 5-6 connected to the material box 2. Specifically, a clamping cylinder is fixed on the filling seat 5-5, and the detachable fixing is realized by clamping the filling tube 5-6 by the clamping cylinder. The feeding nozzle 5-1 is sealed and inserted into the lower end of the filling tube 5-6, and the back-suction nozzle 5-2 is gap-mounted outside the feeding nozzle 5-1. The upper end is in fixed and sealed contact with the feeding nozzle 5-1, and the lower end is higher than the lower end of the feeding nozzle 5-1 and a back-suction port connected to the corresponding back-suction branch pipe 4-3 is provided on the side, thereby realizing the filling of materials in the middle and the back-suction of foam on the periphery. Not only is the overall structure compact, but it can also expand the area of ​​the back-suction foam and improve the foam back-suction effect.

[0040] The present invention provides a filling workbench 1 for placing empty bottles transported, and provides a synchronously moving material box 2 and a filling head 5 to realize follow-up filling, and additionally provides a foam back-suction component 4. Combined with a filling head with a special structure, while gravity filling is performed through a feed nozzle 5-1, the generated foam is sucked out in time through a back-suction nozzle 5-2 connected to the back-suction component 4. The overall structure avoids the use of a piston cylinder, and the material box design with a special structure effectively improves the generation of material foam. At the same time, the foam is synchronously sucked during filling, which solves the foam problem in the bottle and takes into account the hygiene requirements. There is no need to reduce the liquid filling speed, and the filling product is more suitable for filling products that are prone to foam and have high hygiene requirements.

[0041] The specific embodiments described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic filling machine, characterized in that: It includes a filling workbench which rotates around itself, a material box which is arranged above the filling workbench and moves synchronously with the filling workbench, and a filling cam part which is sleeved outside the material box and fixedly arranged along the circumferential direction. The top of the material box is provided with a top cover, the bottom is provided with a foam back-suction assembly, and a plurality of filling heads are evenly arranged on the outer circumferential surface. The top cover is cooperated with the material box for rotational sealing and is fixedly provided with a feeding assembly connected to the material box. The top of the filling head is movably cooperated with the filling cam part along the circumferential direction, and the bottom is located below the material box and is provided with a feed nozzle and a back-suction nozzle which are respectively connected to the material box and the foam back-suction assembly.

2. The automatic filling machine according to claim 1, characterized in that: The material box includes a first material storage part and a second material storage part adjacent to and lower than the first material storage part, the feeding assembly includes a main feeding pipe and a circulating feeding pipe connected to the first material storage part, and a circulating outlet pipe connected to the second material storage part, a circulating diaphragm pump is provided between the circulating outlet pipe and the circulating feed pipe, a liquid level detector is provided in the second material storage part, and the liquid level detector is signal-connected to the circulating diaphragm pump.

3. The automatic filling machine according to claim 2, characterized in that: A first partition is provided in the first material storage part, the top of the first partition is higher than the top of the second material storage part, and a through hole is provided at the bottom to form a first material storage space and a second material storage space that are adjacently arranged and interconnected. The first material storage space is adjacent to the second material storage part, the main feed pipe and the circulating feed pipe are both connected to the first material storage space, and the discharge nozzle is connected to the second material storage space.

4. The automatic filling machine according to claim 3, characterized in that: The second material storage part is cylindrical, the first material storage space and the second material storage space are both annular spaces and are arranged in the second material storage part from the inside to the outside in sequence, and a plurality of second partitions are evenly distributed along the circumferential direction on the upper part of the second material storage space.

5. The automatic filling machine according to claim 3, characterized in that: The feed assembly also includes an annular return pipe fixedly arranged at the bottom of the top cover, the bottom of the annular return pipe is connected to a discharge pipe extending to the first storage space, and the main feed pipe and the circulating feed pipe are both connected to the annular return pipe.

6. The automatic filling machine according to claim 1, characterized in that: An annular extension platform is provided on the upper outer peripheral surface of the material box, and the filling head includes a guide rod assembly installed on the annular extension platform. A roller cooperating with the filling cam portion is provided on the top of the guide rod assembly, and a filling seat is provided at the lower end. A filling tube connected to the material box is detachably fixed on the filling seat, and the feed nozzle is sealably inserted in the lower end of the filling tube. The back-suction nozzle is gap-sleeved outside the feed nozzle, and the upper end is in fixed and sealed contact with the feed nozzle, and the lower end is higher than the lower end of the feed nozzle and a back-suction port connected to the foam back-suction assembly is provided on the side.

7. The automatic filling machine according to claim 1, characterized in that: The foam back-suction assembly includes an annular pipe arranged below the material box and a back-suction main pipe which is sealed and passes through the material box along the direction of the rotation axis. The annular pipe is circumferentially provided with a back-suction branch pipe connected to the back-suction nozzle. The lower end of the back-suction main pipe is connected to the annular pipe, and a rotary sealing joint is connected between the upper end and the material box. The rotary sealing joint is connected to an external suction device.

8. The automatic filling machine according to claim 1, characterized in that: A screw lifting mechanism is fixedly connected to the bottom of the filling cam portion.

9. The automatic filling machine according to claim 8, characterized in that: The upper surface of the filling workbench is vertically provided with a plurality of screw lifting columns connected to the material box along the circumferential direction, and a driving motor is fixedly installed on the lower surface. The lower end of the screw lifting column passes through the filling workbench and is coaxially fixedly connected with a driven gear. The motor shaft of the driving motor is coaxially fixed with a driving gear. The driving gear and the driven gear are located in the same horizontal plane and are connected through a chain transmission.

10. A filling production line, characterized in that: Comprising the automatic filling machine as described in any one of claims 1 to 9.

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