CN111453012B - Powdery medicine packaging machine - Google Patents

Powdery medicine packaging machine Download PDF

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Publication number
CN111453012B
CN111453012B CN202010232908.0A CN202010232908A CN111453012B CN 111453012 B CN111453012 B CN 111453012B CN 202010232908 A CN202010232908 A CN 202010232908A CN 111453012 B CN111453012 B CN 111453012B
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China
Prior art keywords
filling
pipe
connecting pipe
plug
medicine bottle
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CN202010232908.0A
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Chinese (zh)
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CN111453012A (en
Inventor
陈明佐
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Anhui Jinsanhuan Metal Technology Co Ltd
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Anhui Jinsanhuan Metal Technology Co Ltd
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Priority to CN202010232908.0A priority Critical patent/CN111453012B/en
Publication of CN111453012A publication Critical patent/CN111453012A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/04Methods of, or means for, filling the material into the containers or receptacles
    • B65B1/06Methods of, or means for, filling the material into the containers or receptacles by gravity flow
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/20Reducing volume of filled material
    • B65B1/22Reducing volume of filled material by vibration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/30Devices or methods for controlling or determining the quantity or quality or the material fed or filled
    • B65B1/40Devices or methods for controlling or determining the quantity or quality or the material fed or filled by timing of filling operations
    • B65B1/42Devices or methods for controlling or determining the quantity or quality or the material fed or filled by timing of filling operations and arresting flow by cut-off means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/54Means for supporting containers or receptacles during the filling operation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/28Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for discharging completed packages from machines

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Basic Packing Technique (AREA)
  • Supply Of Fluid Materials To The Packaging Location (AREA)

Abstract

The invention provides a powder medicine packaging machine, which comprises a packaging table and a filling mechanism, wherein the packaging table is provided with a packaging cavity; a plurality of medicine bottle positioning grooves are circumferentially arranged on the outer edge of the packaging table; the filling mechanism comprises a filling hopper and a plurality of material distributing pipes, the filling hopper is positioned above the packaging table, a first connecting pipe is arranged at the bottom end of the filling hopper, and a plurality of first connecting ports with the same size are circumferentially arranged at the bottom end of the first connecting pipe; a plurality of branch material pipe one end all is connected with first connecting pipe and a plurality of branch material pipes communicate with a plurality of first discharge gates respectively, divides the material pipe other end to be located a plurality of medicine bottle constant head tank tops respectively and this end is connected with the vertical filling pipe of arranging, and the filling pipe top is equipped with the second connector with branch material pipe intercommunication, and the filling pipe bottom is equipped with the filling mouth. The control element controls the intermittent opening of the first connecting ports, and the opening time of each time is equal, so that the consistent medicine amount of each filling is ensured, the accuracy of the packaging weight is improved, and the continuous filling can be realized.

Description

Powdery medicine packaging machine
Technical Field
The invention relates to the technical field of medicine packaging, in particular to a powdery medicine packaging machine.
Background
The product packaging is an important process of product production, along with the process of mechanization, the existing packaging technology is scaled and automated, and various automatic packaging machines are widely applied. Automatic packaging machines are widely used for product packaging, but the automatic powder medicine packaging machines still have problems in the packaging process, such as inaccurate packaging weight and low packaging efficiency.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a powder medicine packaging machine.
The invention provides a powder medicine packaging machine which comprises a packaging table and a filling mechanism;
a plurality of medicine bottle positioning grooves are circumferentially arranged on the outer edge of the packaging table;
the filling mechanism comprises a filling hopper and a plurality of material distributing pipes, the filling hopper is positioned above the packaging table, the central axis of the filling hopper is superposed with the central axis of the packaging table, a first connecting pipe is arranged at the bottom end of the filling hopper, a plurality of first connecting ports with the same size are circumferentially arranged at the bottom end of the first connecting pipe, and a control part for controlling the plurality of first connecting ports to be opened or disconnected is arranged at the bottom end of the connecting pipe; a plurality of branch material pipe one end all is connected with first connecting pipe and a plurality of branch material pipes communicate with a plurality of first interfaces respectively, divides the material pipe other end to be located a plurality of medicine bottle constant head tank tops respectively, and divides the material pipe other end to be connected with the vertical filling pipe of arranging, and the filling pipe top is equipped with the second connector that communicates with branch material pipe, and the filling pipe bottom is equipped with the filling mouth, and the filling mouth is used for carrying out the likepowder medicine of filling to the medicine bottle in the medicine bottle constant head tank of filling pipe below.
Preferably, the control piece includes the second connecting pipe, the end cap and drive actuating cylinder, the vertical arrangement of second connecting pipe and second connecting pipe top are connected with first connecting pipe, the diameter of second connecting pipe equals with the diameter of first connecting pipe, first connecting pipe bottom is located a plurality of first connecting ports below position and is equipped with the elastic webbing, elastic webbing edge and first connecting pipe inner wall zonulae occludens, the end cap setting is in the second connecting pipe and the diameter of end cap is less than the diameter of second connecting pipe, it is used for driving the end cap to reciprocate in vertical direction to drive actuating cylinder and end cap connection.
Preferably, the plug has a first position state and a second position state; when the plug is in the first position state, the plug is positioned below the elastic band, the top surface of the plug is attached to the bottom surface of the elastic band, the elastic band is in a natural state, and the plurality of first connecting ports are in an open state; when the plug is in the second position state, the plug is located between the first connecting ports and abuts against the elastic belt, so that the elastic belt is attached to the edges of the first connecting ports, and the elastic belt is in a telescopic state and wraps the plug.
Preferably, still include a plurality of connection ropes, the filling tube lateral wall is equipped with an opening, and opening part movable mounting has the board of damming that can stretch into the filling tube inside and block up the filling tube, and a plurality of connection rope one end are passed the second connecting pipe wall respectively and are stretched into second connecting pipe top and end cap and be connected to the board of damming on a plurality of filling tubes respectively of a plurality of connection rope other ends are connected, are connected rope and second connecting pipe clearance fit.
Preferably, a vibration plate with a vibrator is installed in the bottle positioning groove.
Preferably, the medicine bottle positioning groove is provided with an opening, and a conveying mechanism for conveying the medicine bottle to the medicine bottle positioning groove is arranged outside the opening.
According to the powdery medicine packaging machine provided by the invention, the powdery medicine raw materials are added into the filling hopper, then the medicines flow into the first connecting pipes and respectively enter the plurality of distributing pipes through the plurality of first connecting ports, then the medicines are filled into the medicine bottles at the positioning grooves of the medicine bottles through the filling pipes, and then the filled medicine bottles are conveyed out by using the manipulator; open through a plurality of first interface intermittent type nature of control, open time equals every time to this guarantees that the medicine volume of every filling is unanimous, improves the accuracy nature of packing weight and can continuous filling, installs the vibration board in the medicine bottle constant head tank, vibrates the medicine bottle in the filling, makes the medicine dispersion in the medicine bottle even.
Drawings
Fig. 1 is a schematic structural view of a powder medicine packaging machine according to the present invention, wherein a plug is in a first position;
fig. 2 is a schematic structural view of a powder medicine packaging machine according to the present invention, wherein a plug of the powder medicine packaging machine is in a second position;
fig. 3 is a schematic structural diagram of a packing table of the powdered medicine packing machine according to the present invention.
Detailed Description
Referring to fig. 1-3, the present invention provides a powder medicine packaging machine, which comprises a packaging table 1 and a filling mechanism; wherein:
a plurality of medicine bottle positioning grooves 2 are circumferentially arranged on the outer edge of the packaging table 1; a vibration plate 16 with a vibrator is installed in the medicine bottle positioning groove 2, an opening is provided in the medicine bottle positioning groove 2, and a transfer mechanism 17 for transferring the medicine bottle to the medicine bottle positioning groove 2 is provided outside the opening.
The filling mechanism comprises a filling funnel 3 and a plurality of dispensing tubes 4. Filling fill 3 is located the coincidence of the axis that packing platform 1 top and filling fought 3 and packing platform 1, and 3 bottoms are fought in the filling are equipped with first connecting pipe 5, and a plurality of the same first interface 6 of size have been arranged to 5 bottom circumference in first connecting pipe, and the connecting pipe bottom is equipped with the control that is used for controlling a plurality of first interface 6 and opens or break off. A plurality of branch material pipe 4 one end all is connected with first connecting pipe 5 and a plurality of branch material pipe 4 communicate with a plurality of first interfaces respectively, the branch material pipe 4 other end is located 2 tops of a plurality of medicine bottle constant head tanks respectively, and the branch material pipe 4 other end is connected with vertical filling tube 7 of arranging, 7 tops of filling tube are equipped with the second connector 8 with branch material pipe 4 intercommunication, 7 bottoms of filling tube are equipped with filling mouth 9, filling mouth 9 is used for filling likepowder medicine to the medicine bottle in the medicine bottle constant head tank 2 of filling tube 7 below.
The working principle of the invention is as follows: adding powdery medicine raw materials into a filling hopper 2, then enabling the medicine to flow into a first connecting pipe 5 and respectively enter a plurality of material distributing pipes 4 through a plurality of first connecting ports 6, then filling the medicine into medicine bottles at medicine bottle positioning grooves 3 through filling pipes 7, and then conveying the filled medicine bottles out through a mechanical arm; open through a plurality of first interfaces 6 of control intermittent type nature, open time equals at every turn to this guarantees that the medicine volume of filling is unanimous at every turn, improves the accuracy of packing weight and can fill in succession, installs vibration board 16 in the medicine bottle constant head tank 3, vibrates the medicine bottle in the filling, makes the medicine dispersion in the medicine bottle even.
In this embodiment, the control member includes a second connecting pipe 10, a plug 11 and a driving cylinder 12, the second connecting pipe 10 is vertically arranged, the top end of the second connecting pipe 10 is connected to the first connecting pipe 5, the diameter of the second connecting pipe 10 is equal to the diameter of the first connecting pipe 5, an elastic band 13 is arranged at the bottom end of the first connecting pipe 5 and below the plurality of first connecting ports 6, the edge of the elastic band 13 is tightly connected to the inner wall of the first connecting pipe 5, the plug 11 is arranged in the second connecting pipe 10, the diameter of the plug 11 is smaller than the diameter of the second connecting pipe 10, and the driving cylinder 12 is connected to the plug 11 and is used for driving the plug 11 to move up and down in the vertical direction. The plug 11 has a first position state and a second position state; when the plug 11 is in the first position state, the plug 11 is located below the elastic band 13, the top surface of the plug is attached to the bottom surface of the elastic band 13, the elastic band 13 is in a natural state, and the plurality of first connecting ports 6 are in an open state; when the plug 11 is in the second position, the plug 11 is located between the plurality of first connection ports 6 and presses the elastic band 13 to make the elastic band 13 fit with the edges of the plurality of first connection ports 6, and at this time, the elastic band 13 is in a telescopic state and wraps the plug 11. The plug 11 is driven to move by the driving cylinder 12, so that the plug 11 is in a first position state or a second position state, and the first connection port 6 is opened or disconnected.
Further, still include a plurality of ropes 14 of connecting, 7 lateral walls of filling tube are equipped with an opening, and opening part movable mounting has the board 15 of damming that can stretch into 7 insides of filling tube and block up the filling tube 7, and a plurality of ropes 14 one end of connecting are passed the 10 pipe walls of second connecting pipe respectively and are stretched into 10 tops of second connecting pipe and be connected with end cap 11 to a plurality of ropes 14 other ends of connecting are connected with the board 15 of damming on a plurality of filling tube 7 respectively, connect rope 14 and 10 clearance fit of second connecting pipe. The shutoff plate 15 is driven to be inserted into or withdrawn from the filling tube 7 while the plug 11 moves up and down, when the plug 11 is in the first position state, the shutoff plate 15 is withdrawn from the filling tube 7, and when the plug 11 is in the second position state, the shutoff plate 15 is inserted into the filling tube 7 and blocks the filling tube 7, so that filling is avoided, and medicines in the filling tube 7 enter the medicine bottle.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (2)

1. The powder medicine packaging machine is characterized by comprising a packaging table (1) and a filling mechanism;
a plurality of medicine bottle positioning grooves (2) are circumferentially arranged outside the packaging table (1);
the filling mechanism comprises a filling hopper (3) and a plurality of material distributing pipes (4), the filling hopper (3) is positioned above the packaging table (1), the central axis of the filling hopper (3) is superposed with the central axis of the packaging table (1), a first connecting pipe (5) is arranged at the bottom end of the filling hopper (3), a plurality of first connecting ports (6) with the same size are circumferentially arranged at the bottom end of the first connecting pipe (5), and a control piece for controlling the plurality of first connecting ports (6) to be opened or disconnected is arranged at the bottom end of the connecting pipe; one end of each material distributing pipe (4) is connected with the corresponding first connecting pipe (5), the material distributing pipes (4) are communicated with the corresponding first connecting ports respectively, the other ends of the material distributing pipes (4) are located above the medicine bottle positioning grooves (2), the other ends of the material distributing pipes (4) are connected with filling pipes (7) which are vertically arranged, second connecting ports (8) communicated with the material distributing pipes (4) are formed in the top ends of the filling pipes (7), filling ports (9) are formed in the bottom ends of the filling pipes (7), and the filling ports (9) are used for filling powdery medicines into medicine bottles in the medicine bottle positioning grooves (2) below the filling pipes (7);
a vibrating plate (16) with a vibrator is arranged in the medicine bottle positioning groove (2);
the control piece comprises a second connecting pipe (10), plugs (11) and a driving cylinder (12), the second connecting pipe (10) is vertically arranged, the top end of the second connecting pipe (10) is connected with the first connecting pipe (5), the diameter of the second connecting pipe (10) is equal to that of the first connecting pipe (5), an elastic belt (13) is arranged at the bottom end of the first connecting pipe (5) and below the first connecting ports (6), the edge of the elastic belt (13) is tightly connected with the inner wall of the first connecting pipe (5), the plugs (11) are arranged in the second connecting pipe (10), the diameter of the plugs (11) is smaller than that of the second connecting pipe (10), and the driving cylinder (12) is connected with the plugs (11) and used for driving the plugs (11) to move up and down in the vertical direction;
the plug (11) has a first position state and a second position state; when the plug (11) is in the first position state, the plug (11) is positioned below the elastic band (13), the top surface of the plug is attached to the bottom surface of the elastic band (13), the elastic band (13) is in a natural state, and the plurality of first connecting ports (6) are in an open state; when the plugs (11) are in the second position state, the plugs (11) are positioned among the first connecting ports (6) and abut against the elastic belt (13) to enable the elastic belt (13) to be attached to the edges of the first connecting ports (6), and at the moment, the elastic belt (13) is in a telescopic state and wraps the plugs (11);
the filling pipe structure is characterized by further comprising a plurality of connecting ropes (14), an opening is formed in the side wall of the filling pipe (7), an intercepting plate (15) which can stretch into the filling pipe (7) and block the filling pipe (7) is movably mounted at the opening, one end of each connecting rope (14) respectively penetrates through the pipe wall of the second connecting pipe (10) and stretches into the top end of the second connecting pipe (10) to be connected with the plug (11), the other end of each connecting rope (14) is respectively connected with the intercepting plates (15) on the filling pipe (7), and the connecting ropes (14) are movably matched with the second connecting pipes (10);
when the plug (11) moves up and down, the cut-off plate (15) is driven to be inserted into or withdrawn from the filling tube (7), when the plug (11) is in the first position state, the cut-off plate (15) is withdrawn from the filling tube (7), and when the plug (11) is in the second position state, the cut-off plate (15) is inserted into the filling tube (7) and blocks the filling tube (7), so that medicines filled in the filling tube (7) are prevented from entering the medicine bottle.
2. The powder medicine packing machine according to claim 1, wherein the medicine bottle positioning groove (2) is provided with an opening, and a transfer mechanism (17) for transferring the medicine bottle to the medicine bottle positioning groove (2) is provided outside the opening.
CN202010232908.0A 2020-03-28 2020-03-28 Powdery medicine packaging machine Active CN111453012B (en)

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CN202010232908.0A CN111453012B (en) 2020-03-28 2020-03-28 Powdery medicine packaging machine

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Application Number Priority Date Filing Date Title
CN202010232908.0A CN111453012B (en) 2020-03-28 2020-03-28 Powdery medicine packaging machine

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CN111453012A CN111453012A (en) 2020-07-28
CN111453012B true CN111453012B (en) 2022-02-11

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112590166B (en) * 2020-12-18 2022-07-08 江苏丰远新材料科技有限公司 Extruder raw materials ration unloading equipment

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6000445A (en) * 1995-12-20 1999-12-14 Schuh; Matthias Flour-loading system
WO2012056271A1 (en) * 2010-10-28 2012-05-03 Salvatore Lardieri Assembly for dosed dispensing of products such as pills, tablets, capsules, pellets, powders, granules, grains, plugs, closure caps, small items and the like
CN106864834A (en) * 2015-12-14 2017-06-20 天津迎新船舶机械有限公司 A kind of granular material bulk ship device
CN207225712U (en) * 2017-08-31 2018-04-13 重庆归真阁中医药开发有限公司 A kind of automatic sub-packaging device of Chinese medicine powder
CN207712423U (en) * 2017-11-29 2018-08-10 四川西蜀九锦现代中药有限公司 Chinese medicine powder filling apparatus
CN109353555A (en) * 2018-06-29 2019-02-19 宿迁市君来米业有限公司 A kind of rice packaging device
CN209492751U (en) * 2018-11-27 2019-10-15 济南腾蛟实业有限公司 Quantitative feeding device is used in a kind of granulation
CN110292788A (en) * 2019-07-29 2019-10-01 古浪县康泰中药材种植专业合作社 A kind of medicinal material heating purifying plant
CN110668207B (en) * 2019-09-17 2021-02-26 鲁首佳(山东)工业设计有限公司 Quantitative discharging device for powder dye

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Denomination of invention: A powdery drug packaging machine

Effective date of registration: 20230322

Granted publication date: 20220211

Pledgee: Quanjiao enterprise financing Company limited by guarantee

Pledgor: ANHUI JINSANHUAN METAL SCIENCE & TECHNOLOGY CO.,LTD.

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