Filling device with reasonable structure

Abstract

A filling device with a reasonable structure comprises a positioning frame, a driving device, a filling barrel and a dual-purpose piston shaft, and is characterized in that a material blocking inner inclined plane is arranged at the bottom of an inner cavity of the filling barrel, an air blocking sleeve is mounted at the top of the inner cavity of the filling barrel, and an air blocking inner inclined plane is arranged at the bottom of an inner cavity of the air blocking sleeve; the bottom of the dual-purpose piston shaft is provided with a material blocking inclined step capable of being matched with the material blocking inner inclined face, the middle of the dual-purpose piston shaft is provided with an air blocking inclined step capable of being matched with the air blocking inner inclined face, and a first air channel is formed in the dual-purpose piston shaft located above the air blocking inclined step. And a second gas channel is formed in the dual-purpose piston shaft below the gas blocking inclined step. Compared with the prior art, the filling device has the beneficial effects that the structure is simplified, and easily damaged parts such as a spring are omitted, so that the filling device is not easy to damage and is suitable for most liquid materials, and the manufacturing cost and the use cost are greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a filling device, more specifically to a filling device with reasonable structure, easy assembly, disassembly, maintenance and replacement of parts. BACKGROUND

[0002] In the process of filling food (herein referred to as liquid material), nitrogen needs to be filled after filling food. The traditional filling machine cannot complete the filling of material and the filling of nitrogen with a single device. Therefore, the applicant improves the structure of the filling device and applies for a patent, with the patent number CN218088941U and the name "a cleanable filling device". The filling device includes a shell, a filling piston cylinder, a driving device and a cleaning system. The shell has a filling channel inside. The outer wall of the shell has a feeding pipe connected with the filling channel. The bottom of the shell is provided with a filling head with a discharge port connected with the filling channel. The filling piston cylinder is slidably inserted with a push rod, and a spring is arranged between the filling piston cylinder and the push rod. The first and second blowing channels are arranged between the filling piston cylinder and the push rod. The push rod has an air inlet connected with the first and second blowing channels. The first and second blowing channels are provided with a thimble. The upper part of the thimble is fixedly connected with the push rod, and the bottom of the thimble is movably connected with the second blowing channel. The cleaning system is used to clean the inside of the filling channel. It can realize automatic filling and nitrogen filling, and can automatically complete cleaning work, greatly improving work efficiency and food quality.

[0003] However, the applicant found that the above-mentioned technology has the problems of complex structure, difficult assembly, disassembly and replacement of parts. Especially, the spring is easily damaged after a long time of use, and the replacement of the spring is very troublesome, which requires professional personnel to use special equipment to complete the replacement operation, which significantly increases the manufacturing cost and use cost, greatly limits its application range, and therefore the structure needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a filling device with reasonable structure, which is easy to assemble, disassemble, maintain and replace parts. The technical scheme is as follows:

[0005] The utility model provides a kind of structure reasonable filling device, including positioning frame, driving device, filling cylinder, dual-purpose piston shaft, filling cylinder outer wall has the feed pipe being connected with filling cylinder inner chamber, positioning frame, driving device are respectively installed on positioning frame, filling cylinder is vertically arranged, dual-purpose piston shaft is arranged in filling cylinder inner chamber, driving device connects piston shaft top, filling cylinder bottom end is equipped with filling head, it is characterized in that: the bottom of filling cylinder inner chamber is equipped with block material inner inclined plane, filling cylinder inner chamber top is equipped with block gas sleeve, the bottom of block gas sleeve inner chamber is equipped with block gas inner inclined plane, dual-purpose piston shaft bottom has the block material inclined step that can be cooperated with block material inner inclined plane, dual-purpose piston shaft middle part has the block gas inclined step that can be cooperated with block gas inner inclined plane, first gas passage is arranged in dual-purpose piston shaft inside above block gas inclined step, the first gas inlet and outlet of first gas passage top end is arranged in dual-purpose piston shaft top, the second gas inlet and outlet of first gas passage bottom end is arranged on the outer side wall of dual-purpose piston shaft above block gas inclined step;Second gas passage is arranged in dual-purpose piston shaft inside below block gas inclined step, the third gas inlet and outlet of second gas passage top end is arranged on the outer side wall of dual-purpose piston shaft below block gas inclined step, the fourth gas inlet and outlet of second gas passage bottom end is arranged on the outer side wall of dual-purpose piston shaft below block material inclined step.

[0006] More preferably, the driving device is a pneumatic cylinder.

[0007] More preferably, the positioning frame comprises an upper positioning plate, a lower positioning plate and at least one positioning column, both ends of all the positioning columns are connected to the upper positioning plate and the lower positioning plate respectively, the driving device is installed on the upper positioning plate, and the filling cylinder is installed on the lower positioning plate.

[0008] More preferably, the filling device further comprises a mounting frame, the mounting frame comprises an upper mounting plate, a lower mounting plate and at least one connecting column, both ends of all the connecting columns are connected to the upper mounting plate and the lower mounting plate respectively, and the lower positioning plate is installed on the lower mounting plate.

[0009] More preferably, the driving device is connected to the upper mounting plate by a connecting rod.

[0010] The utility model has the advantages that, compared with the prior art, the structure is simplified, and the parts that are easy to be damaged, such as springs, are removed, so that the filling device is not easy to be damaged, is suitable for most liquid materials, and the manufacturing cost and the use cost are greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a sectional view of a filling material state according to an embodiment of the utility model;

[0012] Figure 2 is Figure 1 is a sectional view of a vacuumizing and / or aerating state according to the embodiment shown in the figure.

[0013] Figure 3 is Figure 1 Figure 6 is a perspective view of the embodiment shown in Figure 5 with most of the mounting rack removed. DETAILED DESCRIPTION

[0014] As Figures 1-3 shown, the reasonable structure filling device in one embodiment of the application, including positioning frame 1, drive device 2, filling cylinder 3, dual-purpose piston shaft 4, filling cylinder 3 outer wall has a feed pipe 5 communicating with filling cylinder inner cavity 301, positioning frame 1, drive device 2 are installed on positioning frame 1 respectively, filling cylinder 3 is vertically arranged, dual-purpose piston shaft 4 is arranged in the filling cylinder inner cavity 301, drive device 2 is connected with the top of dual-purpose piston shaft 4, filling cylinder 3 bottom end is provided with filling head 6, the bottom of filling cylinder inner cavity 301 is provided with a blocking material inner inclined surface 3011, the top of filling cylinder inner cavity 301 is provided with a blocking gas sleeve 7, the bottom of blocking gas sleeve inner cavity 701 is provided with a blocking gas inner inclined surface 7011, the bottom of dual-purpose piston shaft 4 is provided with a blocking material inclined step 401 which can cooperate with the blocking material inner inclined surface 3011, the middle of dual-purpose piston shaft 4 is provided with a blocking gas inclined step 402 which can cooperate with the blocking gas inner inclined surface 7011, the first gas passage 403 is arranged in the dual-purpose piston shaft 4 above the blocking gas inclined step 402, the first gas passage 403 top end first gas inlet and outlet 4031 is arranged in the top of dual-purpose piston shaft 4, the second gas passage 404 is arranged in the dual-purpose piston shaft 4 below the blocking gas inclined step 402, the second gas passage 404 top end third gas inlet and outlet 4041 is arranged in the outer wall of dual-purpose piston shaft 4 below the blocking gas inclined step 402, the second gas passage 404 bottom end fourth gas inlet and outlet 4042 is arranged in the outer wall of dual-purpose piston shaft 4 below the blocking material inclined step 401.

[0015] Preferably, when filling the material, the driving device 2 drives the dual-purpose piston shaft 4 to ascend until the air blocking inclined step 402 of the dual-purpose piston shaft 4 contacts and cooperates with the air blocking inner inclined surface 7011 to block the passage between the second inlet and outlet port 4032 at the bottom end of the first gas passage 403 and the third inlet and outlet port 4041 at the top end of the second gas passage 404, so that the gas passage is blocked, and the material blocking inclined step 401 at the bottom of the dual-purpose piston shaft 4 is away from the material blocking inner inclined surface 3011, the passage between the inlet pipe 5 and the outlet at the bottom of the filling cylinder inner cavity 301 is communicated, and the liquid material can be filled into the container below the filling head 6 through the inlet pipe 5 and the filling cylinder inner cavity 301, so that the filling operation can be performed; when vacuumizing and / or aerating, the driving device 2 drives the dual-purpose piston shaft 4 to descend until the material blocking inclined step 401 at the bottom of the dual-purpose piston shaft 4 contacts and cooperates with the material blocking inner inclined surface 3011 to block the passage between the inlet pipe 5 and the outlet at the bottom of the filling cylinder inner cavity 301, the filling passage is blocked, the fourth inlet and outlet port 4042 below the material blocking inclined step 401 communicates with the container below the filling cylinder inner cavity 301, the second inlet and outlet port 4032 at the bottom end of the first gas passage 403 and the third inlet and outlet port 4041 at the top end of the second gas passage 404 are both in the filling cylinder inner cavity 301 and are communicated, so the whole gas passage is communicated, and the vacuumizing and / or aerating (such as nitrogen gas) operation can be performed.

[0016] Preferably, the driving device 2 is a pneumatic cylinder.

[0017] Preferably, the positioning frame 1 comprises an upper positioning plate 101, a lower positioning plate 102 and at least one positioning column 103, both ends of all the positioning columns 103 are connected to the upper positioning plate 101 and the lower positioning plate 102 respectively, and the driving device 2 is installed on the upper positioning plate 101 and the filling cylinder 3 is installed on the lower positioning plate 102.

[0018] Preferably, the filling device further comprises a mounting frame 8, the mounting frame 8 comprises an upper mounting plate 801, a lower mounting plate 802 and at least one connecting column 803, both ends of all the connecting columns 803 are connected to the upper mounting plate 801 and the lower mounting plate 802 respectively, and the lower positioning plate 102 is installed on the lower mounting plate 802.

[0019] More preferably, the driving device 2 adopts a connecting rod 804 to connect the upper mounting plate 801.

[0020] Preferably, a sealing ring 9 that can cooperate with the outer sidewall of the dual-purpose piston shaft 4 is installed on the inner sidewall of the air blocking sleeve 7.

[0021] Since the structure is simplified and the easily damaged parts such as springs are removed, the filling device is not easy to damage, is suitable for most liquid materials, and the manufacturing cost and use cost are greatly reduced.

[0022] Furthermore, it should be noted that the specific embodiments described in the specification, the name of each part, etc. can be different, and any equivalent or simple change made according to the structure, features and principles described in the utility model patent concept is included in the protection scope of the utility model patent. The person skilled in the art of the utility model can make various modifications or supplements to the described specific embodiments or use similar ways to replace, as long as it does not deviate from the structure of the utility model or beyond the scope defined in the claims, which shall belong to the protection scope of the utility model.

Claims

1. A structure reasonable filling device, comprising a positioning frame, a driving device, a filling cylinder, a dual-purpose piston shaft, the outer wall of the filling cylinder is provided with a feeding pipe communicating with the inner cavity of the filling cylinder, the positioning frame and the driving device are respectively installed on the positioning frame, the filling cylinder is vertically arranged, the dual-purpose piston shaft is arranged in the inner cavity of the filling cylinder, the driving device is connected with the top of the piston shaft, and a filling head is installed at the bottom end of the filling cylinder, characterized in that: The bottom of the inner cavity of the filling cylinder is provided with a blocking material inner inclined surface, the top of the inner cavity of the filling cylinder is provided with a blocking gas sleeve, the bottom of the inner cavity of the blocking gas sleeve is provided with a blocking gas inner inclined surface, the bottom of the dual-purpose piston shaft is provided with a blocking material inclined step capable of cooperating with the blocking material inner inclined surface, the middle of the dual-purpose piston shaft is provided with a blocking gas inclined step capable of cooperating with the blocking gas inner inclined surface, the first gas channel is arranged in the dual-purpose piston shaft above the blocking gas inclined step, the first gas inlet and outlet is arranged at the top of the dual-purpose piston shaft, the second gas inlet and outlet is arranged on the outer sidewall of the dual-purpose piston shaft above the blocking gas inclined step, the second gas channel is arranged in the dual-purpose piston shaft below the blocking gas inclined step, the third gas inlet and outlet is arranged on the outer sidewall of the dual-purpose piston shaft below the blocking gas inclined step, and the fourth gas inlet and outlet is arranged on the outer sidewall of the dual-purpose piston shaft below the blocking material inclined step. ​ 2. The rationalized filling apparatus of claim 1, wherein: The driving device is a gas cylinder.

3. The rationalized filling apparatus of claim 1, wherein: The positioning frame comprises an upper positioning plate, a lower positioning plate and at least one positioning column, both ends of all the positioning columns are connected with the upper positioning plate and the lower positioning plate respectively, the driving device is installed on the upper positioning plate, and the filling cylinder is installed on the lower positioning plate.

4. The rationalized filling apparatus of claim 3, wherein: The filling device further comprises a mounting frame, the mounting frame comprises an upper mounting plate, a lower mounting plate and at least one connecting column, both ends of all the connecting columns are connected with the upper mounting plate and the lower mounting plate respectively, and the lower positioning plate is installed on the lower mounting plate.

5. The rationalized filling apparatus of claim 4, wherein: The driving device adopts a connecting rod to connect the upper mounting plate.

6. A rationalized filling apparatus as claimed in any one of claims 1 to 5, characterized in that: A sealing ring capable of cooperating with the outer sidewall of the dual-purpose piston shaft is installed on the inner sidewall of the blocking gas sleeve.

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