CN110668024B - A self-locking weighing medicine hopper - Google Patents

A self-locking weighing medicine hopper Download PDF

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Publication number
CN110668024B
CN110668024B CN201910953772.XA CN201910953772A CN110668024B CN 110668024 B CN110668024 B CN 110668024B CN 201910953772 A CN201910953772 A CN 201910953772A CN 110668024 B CN110668024 B CN 110668024B
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connecting rod
self
hopper
locking
hinged
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CN110668024A (en
Inventor
张晓扬
刘松凯
王军义
白鑫林
李峰
徐志刚
吕新星
张延利
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Shenyang Institute of Automation
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Shenyang Institute of Automation
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/54—Large containers characterised by means facilitating filling or emptying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/54—Gates or closures
    • B65D90/66—Operating devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00—Loading or unloading
    • B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
    • B65G65/34—Emptying devices
    • B65G65/40—Devices for emptying otherwise than from the top

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Basic Packing Technique (AREA)

Abstract

本发明涉及一种自锁式称药料斗，料斗本体安装在料斗定位支架上，固定杆的一端连接于料斗本体上，连杆A铰接于固定杆的另一端，连杆A的一端为自由端，另一端通过主推轴与连杆B的一端铰接，连杆B的另一端与铰接于料斗本体上的连杆C的一端铰接，连杆C的另一端与连杆D的一端铰接，连杆D的另一端与连杆E的一端铰接，连杆E的另一端铰接于料斗本体上，连杆E及连杆C上分别安装有料斗翻板；料斗本体上安装有弹簧导向杆，弹簧导向杆上滑动连接有自锁推板，弹簧导向杆上套设有复位弹簧，复位弹簧的两端分别抵接于料斗本体及自锁推板上。本发明可以在外部推力机构作用下完成料斗开合，且在外力撤销时料斗翻板自动复位至合拢状态，连杆处于稳定自锁，料斗内称量的药粒不会漏出。

Figure 201910953772

The invention relates to a self-locking medicine weighing hopper. The hopper body is mounted on the hopper positioning bracket, one end of the fixing rod is connected to the hopper body, the connecting rod A is hinged to the other end of the fixing rod, and one end of the connecting rod A is the free end , the other end is hinged with one end of the connecting rod B through the main push shaft, the other end of the connecting rod B is hinged with one end of the connecting rod C hinged on the hopper body, the other end of the connecting rod C is hinged with one end of the connecting rod D, the connecting rod The other end of D is hinged with one end of the connecting rod E, the other end of the connecting rod E is hinged on the hopper body, the connecting rod E and the connecting rod C are respectively equipped with a hopper flap; a spring guide rod is installed on the hopper body, and the spring guide A self-locking push plate is slidably connected to the rod, a return spring is sleeved on the spring guide rod, and both ends of the return spring are respectively abutted on the hopper body and the self-locking push plate. The invention can complete the opening and closing of the hopper under the action of the external thrust mechanism, and the hopper flap is automatically reset to the closed state when the external force is withdrawn, the connecting rod is stable and self-locking, and the weighed medicine particles in the hopper will not leak.

Figure 201910953772

Description

Self-locking type medicine weighing hopper
Technical Field
The invention relates to a weighing hopper system, in particular to a self-locking type medicine weighing hopper.
Background
The explosive weighing hopper is a passive hopper used for weighing and filling explosives and powders. When the medicine weighing hopper works, the hopper can be placed on the mass weighing device by the external mechanism, medicine is injected into the hopper on line, after the medicine is weighed and injected, the medicine is moved to a medicine falling station by the external mechanism, the medicine weighing hopper is opened and closed under the action of the external mechanism, and the medicine falling work is completed. At present, most of domestic medicine weighing hoppers are complex in structure, and an external multi-degree-of-freedom mechanism is needed to realize opening and closing of the hoppers. The medicine weighing hopper has the following disadvantages: firstly, the external mechanical structure is complex, and the mechanism manufacturing cost is high; secondly, in the process of opening and closing the hopper by the external mechanical structure, the requirement on the positioning precision of the hopper is high, and if the deviation between the actual position and the theoretical position of the hopper is large, the hopper opening and closing action of the external mechanism is possibly invalid; thirdly, the reliability of hopper closure is low, and the problem of material leakage is easy to occur.
The automatic explosive loading field in China does not have a weighing hopper capable of opening and closing and self-locking under the action of an external single-degree-of-freedom mechanism, the opening and closing mechanism of the weighing hopper at the present stage is complex, the mass production manufacturing cost is high, the reliability of the opening and closing mechanism is low, and the requirements of high reliability and economy in the automatic explosive loading field can not be met.
Disclosure of Invention
Aiming at the problems of the traditional medicine weighing hopper, the invention aims to provide a self-locking medicine weighing hopper. The self-locking medicine weighing hopper can be opened under the action of an external single-degree-of-freedom thrust mechanism so as to realize automatic medicine falling. And after the external single-degree-of-freedom thrust is cancelled, the turnover plate of the medicine weighing hopper is automatically folded and self-locked, so that the medicine particles are prevented from leaking outside when the hopper is closed.
The purpose of the invention is realized by the following technical scheme:
the invention comprises a hopper body, a fixed rod, a connecting rod A, a spring guide rod, a main push shaft, a reset spring, a connecting rod B, a connecting rod C, a hopper positioning bracket, a hopper turning plate, a connecting rod D, a connecting rod E and a self-locking push plate, wherein the hopper body is arranged on the hopper positioning bracket, one end of the fixed rod is connected on the hopper body, the connecting rod A is hinged at the other end of the fixed rod, one end of the connecting rod A is a free end, the other end of the connecting rod A is hinged with one end of the connecting rod B through a main push shaft, the other end of the connecting rod B is hinged with one end of a connecting rod C hinged on the hopper body, the other end of the connecting rod C is hinged with one end of a connecting rod D, the other end of the connecting rod D is hinged with one end of the connecting rod E, the other end of the connecting rod E is hinged on the hopper body, hopper turning plates are respectively arranged on the connecting rod E and the connecting rod C, and the two hopper turning plates are oppositely arranged; the hopper body is provided with a spring guide rod, the spring guide rod is connected with a self-locking push plate in a sliding manner, the spring guide rod is sleeved with a return spring, and two ends of the return spring are respectively abutted against the hopper body and the self-locking push plate; the main push shaft pushes the self-locking push plate and compresses the reset spring under the action of external force, the two hopper turning plates are driven to be opened through the transmission of the connecting rod A, the connecting rod B, the connecting rod C, the connecting rod D and the connecting rod E, the self-locking push plate is reset through the reset spring after the external force is cancelled, and each connecting rod is pushed to be in a self-locking state;
wherein: the self-locking push plate is divided into a self-locking horizontal push plate which is connected with the spring guide rod in a sliding way and a self-locking vertical push plate which is used for being contacted with the main push shaft and pushed by the main push shaft;
a bearing group A is arranged on the main push shaft at the position contacted with the external force, a bearing group B is arranged on the position contacted with the self-locking push plate, and the bearing group A and the bearing group B are opposite in steering in the external force pushing process;
the connecting rod A is hinged with the other end of the fixed rod through a connecting rod rotating shaft A, and the main push shaft swings around the connecting rod rotating shaft A when pushed by external force;
one end of the connecting rod B and the other end of the connecting rod A are respectively hinged on the main push shaft, and the other end of the connecting rod B and one end of the connecting rod C are respectively hinged on the parallel shaft;
the connecting rod C is hinged to the hopper body through a connecting rod rotating shaft B, the other end of the connecting rod C is hinged to one end of a connecting rod D through the connecting rod rotating shaft C, the other end of the connecting rod D is hinged to one end of a connecting rod E through the connecting rod rotating shaft D, and the other end of the connecting rod E is hinged to the hopper body through the connecting rod rotating shaft E;
the distance between the connecting rod rotating shaft B and the connecting rod rotating shaft C, the distance between the connecting rod rotating shaft C and the connecting rod rotating shaft D and the distance between the connecting rod rotating shaft D and the connecting rod rotating shaft E are equal, and the two hopper turning plates are symmetrically opened and closed under the driving of each connecting rod;
the fixed rod is provided with a fixed plate, and the fixed plate is provided with a supporting bolt; the free end of the connecting rod A is hook-shaped, and the hook-shaped free end is abutted against the supporting bolt when the hopper turning plate is closed;
the hopper body is structurally the same on the left side and the right side, each side is provided with a fixed rod, a connecting rod A, a connecting rod B, a connecting rod C, a connecting rod D and a connecting rod E, the other ends of the connecting rods A on the two sides are respectively hinged to the two ends of the main push shaft, and the other ends of the connecting rods B on the two sides and one ends of the connecting rods C on the two sides are respectively hinged to a parallel shaft;
the main push shaft is parallel to the parallel shaft.
The invention has the advantages and positive effects that:
1. the invention can open the medicine weighing hopper only under the action of external single-degree-of-freedom plane thrust, and the reset spring pulls the link mechanism to a dead point state when the medicine weighing hopper is in a closed state, thereby realizing self-locking of the link mechanism and ensuring reliable closure of the medicine weighing hopper.
2. When the external thrust mechanism opens the medicine weighing hopper, the normal opening of the medicine weighing hopper is not influenced when the relative position posture of the external thrust mechanism and the medicine weighing hopper has errors, and the reliability of the opening of the medicine weighing hopper is high.
3. The invention has simple structure, low manufacturing cost and high cost performance.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a right side view of the structure of the present invention;
FIG. 3 is a schematic perspective view of the present invention;
FIG. 4 is a schematic structural view of the present invention in a non-contact state with an external thrust mechanism;
FIG. 5 is a schematic perspective view of the present invention in non-contact with an external thrust mechanism;
FIG. 6 is a schematic structural view of the present invention in contact with an external thrust mechanism;
FIG. 7 is a schematic perspective view of the present invention in contact with an external thrust mechanism;
wherein: the automatic feeding device comprises a hopper body 1, a fixing rod 2, a connecting rod A3, a connecting rod rotating shaft A4, a spring guide rod 5, a main pushing shaft 6, a reset spring 7, a connecting rod B8, a parallel shaft 9, a connecting rod C10, a hopper positioning support 11, a hopper turning plate 12, a connecting rod D13, a connecting rod E14, a linear bearing 15, a self-locking transverse pushing plate 16, a bearing group A17, a bearing group B18, a connecting rod rotating shaft B19, a connecting rod rotating shaft C20, a connecting rod rotating shaft D21, a connecting rod rotating shaft E22, an external pushing mechanism 23, a self-locking vertical pushing plate 24, a fixing plate 25 and a supporting bolt 26.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 7, the present invention includes a hopper body 1, a fixing rod 2, a connecting rod a3, a spring guide rod 5, a main push shaft 6, a return spring 7, a connecting rod B8, a connecting rod C10, a hopper positioning bracket 11, a hopper turning plate 12, a connecting rod D13, a connecting rod E14, and a self-locking push plate, wherein the hopper body 1 is mounted on the hopper positioning bracket 11, and a positioning pin hole is provided on a lower plane of the hopper positioning bracket 11 of this embodiment, so that positioning of the hopper can be completed under the action of an external positioning pin. One end of a fixed rod 2 is connected to the hopper body 1, a connecting rod A3 is hinged to the other end of the fixed rod 2, one end of a connecting rod A3 is a free end, the other end of the connecting rod A3 is hinged to one end of a connecting rod B8 through a main push shaft 6, the other end of the connecting rod B8 is hinged to one end of a connecting rod C10 hinged to the hopper body 1, the other end of the connecting rod C10 is hinged to one end of a connecting rod D13, the other end of the connecting rod D13 is hinged to one end of a connecting rod E14, the other end of the connecting rod E14 is hinged to the hopper body 1, hopper turning plates 12 are respectively mounted on the connecting rod E14 and the connecting rod C10, and the two hopper turning plates 12 are oppositely arranged.
The left side and the right side of the hopper body 1 in the embodiment have the same structure, each side is provided with a fixed rod 2, a connecting rod A3, a connecting rod B8, a connecting rod C10, a connecting rod D13 and a connecting rod E14, the connecting rod A3 of each side is hinged with the other end of the fixed rod 2 at the same side through a connecting rod rotating shaft A4, the other ends of the connecting rods A3 at the two sides are respectively hinged at the two ends of a main pushing shaft 6, one ends of the connecting rods B8 at the two sides are respectively hinged at the two ends of the main pushing shaft 6, and the other ends of the connecting rods B8 at the two sides and one ends of the connecting rods C10 at the two sides are respectively hinged at the two ends of a parallel shaft 9; the parallel shaft 9 is positioned below the main push shaft 6 and is parallel to the main push shaft 6. The connecting rod C10 on each side is hinged on the hopper body 1 through a connecting rod rotating shaft B19, the other end of the connecting rod C10 is hinged with one end of a connecting rod D13 through a connecting rod rotating shaft C20, the other end of the connecting rod D13 is hinged with one end of a connecting rod E14 through a connecting rod rotating shaft D21, and the other end of the connecting rod E14 is hinged on the hopper body 1 through a connecting rod rotating shaft E22. In this embodiment, the distance between the link rotation shaft B19 and the link rotation shaft C20, the distance between the link rotation shaft C20 and the link rotation shaft D21, and the distance between the link rotation shaft D21 and the link rotation shaft E22 are all equal, and the two hopper flaps 12 are symmetrically opened and closed under the driving of each link. In the embodiment, a fixing plate 25 is arranged on the fixing rod 2 at each side, and a supporting bolt 26 is arranged on the fixing plate 25; the free end of link a3 is hook-shaped and abuts against support bolt 26 when hopper flap 12 is closed.
The hopper body 1 is also provided with a spring guide rod 5, the spring guide rod 5 is connected with a self-locking push plate in a sliding way, the spring guide rod 5 is sleeved with a return spring 7, and two ends of the return spring 7 are respectively abutted against the hopper body 1 and the self-locking push plate. The main push shaft 6 swings around the connecting rod rotating shaft A4 under the action of external force to push the self-locking push plate and compress the reset spring 7, the two hopper turning plates 12 are driven to open through the transmission of the connecting rod A3, the connecting rod B8, the connecting rod C10, the connecting rod D13 and the connecting rod E14, the self-locking push plate is reset through the reset spring 7 after the external force is cancelled, and each connecting rod is pushed to a self-locking state. The self-locking push plate of the embodiment is divided into a self-locking transverse push plate 16 and a self-locking vertical push plate 24, the self-locking transverse push plate 16 is used for being in sliding connection with the spring guide rod 5, and the self-locking vertical push plate 24 is used for being in contact with the main push shaft 6 and being pushed by the main push shaft 6. The main push shaft 6 is provided with a bearing group A17 at the contact part with the external force and a bearing group B18 at the contact part with the self-locking push plate, and the bearing group A17 and the bearing group B18 have opposite rotation directions in the external force pushing process. Install four spring guide 5 on the hopper body 1 of this embodiment, the main upper and lower both sides that push away axle 6 respectively set up two, all overlaps on every spring guide 5 to be equipped with reset spring 7. In the embodiment, the upper side and the lower side of the main push shaft 6 are respectively provided with a self-locking horizontal push plate 16, two ends of each self-locking horizontal push plate 16 are fixedly connected with a linear bearing 15, the self-locking horizontal push plates 16 are slidably connected with two spring guide rods 5 through the linear bearings 15, and the reset spring 7, the linear bearings 15 and the spring guide rods 5 are concentrically arranged; two self-locking vertical push plates 24 are arranged between the upper and lower self-locking horizontal push plates 16, a bearing group A17 used for being in contact with external force is rotatably arranged in the middle of the main push shaft 6, two bearing groups B18 are respectively rotatably arranged at two ends of the main push shaft, and the two bearing groups B18 are used for pushing the two self-locking vertical push plates 24.
In this embodiment, the hinge joints of the main push shaft 6, the parallel shaft 9, the connecting rod rotating shaft a4, the connecting rod rotating shaft B19, the connecting rod rotating shaft C20, the connecting rod rotating shaft D21 and the connecting rod rotating shaft E22 all adopt deep groove ball bearings.
The working principle of the invention is as follows:
the invention can complete the opening of the hopper turning plate 12 under the action of external single-degree-of-freedom thrust, and complete the folding and self-locking of the hopper turning plate 12 under the action of the return spring 7. The method specifically comprises the following steps:
the external single degree of freedom thrust is provided by an external thrust mechanism 23, which external thrust mechanism 23 is prior art and will not be described further herein. When the self-locking medicine weighing hopper needs to be opened, the external thrust mechanism 23 applies thrust to the main thrust shaft 6 along the axial direction of the spring guide rod 5, the thrust acts on the bearing group A17, the main thrust shaft 6 swings around the connecting rod rotating shaft A4 under the action of external force, and relatively rolls with the self-locking vertical push plate 24 through the bearing group B18 to transmit force to the self-locking horizontal push plate 16, so that the self-locking horizontal push plate 16 moves along the spring guide rod 5, and the reset spring 7 is compressed; at the same time, the two hopper flaps 12 are symmetrically opened by the link mechanism (link a3, link B8, link C10, link D13, link E14). When the self-locking medicine weighing hopper needs to be folded, due to the withdrawal of the external force, the self-locking transverse push plate 16 transmits the force to the self-locking vertical push plate 24 under the action of the pushing force of the reset spring 7, the main push shaft 6 is pushed by the self-locking vertical push plate 24, the connecting rod mechanism is pushed to a self-locking state, and the free end of the connecting rod A3 is supported on the supporting bolt 26.
The opening and closing of the hopper turning plate 12 are completed under the action of external single-degree-of-freedom thrust, the medicine weighing hopper is free of cables and air pipes, the position of the medicine weighing hopper is conveniently changed by the external thrust mechanism 23 and the whole medicine weighing hopper, and the accurate weighing of the weight of medicine particles in the medicine weighing hopper is completed.

Claims (9)

1.一种自锁式称药料斗，其特征在于：包括料斗本体(1)、固定杆(2)、连杆A(3)、弹簧导向杆(5)、主推轴(6)、复位弹簧(7)、连杆B(8)、连杆C(10)、料斗定位支架(11)、料斗翻板(12)、连杆D(13)、连杆E(14)及自锁推板，其中料斗本体(1)安装在料斗定位支架(11)上，固定杆(2)的一端连接于所述料斗本体(1)上，连杆A(3)铰接于该固定杆(2)的另一端，所述连杆A(3)的一端为自由端，另一端通过主推轴(6)与连杆B(8)的一端铰接，该连杆B(8)的另一端与铰接于所述料斗本体(1)上的连杆C(10)的一端铰接，所述连杆C(10)的另一端与连杆D(13)的一端铰接，该连杆D(13)的另一端与连杆E(14)的一端铰接，该连杆E(14)的另一端铰接于所述料斗本体(1)上，所述连杆E(14)及连杆C(10)上分别安装有料斗翻板(12)，两个料斗翻板(12)相对设置；所述料斗本体(1)上安装有弹簧导向杆(5)，该弹簧导向杆(5)上滑动连接有自锁推板，所述弹簧导向杆(5)上套设有复位弹簧(7)，该复位弹簧(7)的两端分别抵接于料斗本体(1)及自锁推板上；所述主推轴(6)在外力作用下推动自锁推板、压缩复位弹簧(7)，并通过连杆A(3)、连杆B(8)、连杆C(10)、连杆D(13)及连杆E(14)的传动，带动所述两个料斗翻板(12)打开，当外力撤销后通过所述复位弹簧(7)实现自锁推板复位，且将各连杆推至自锁状态；1. A self-locking medicine weighing hopper, characterized in that: it comprises a hopper body (1), a fixed rod (2), a connecting rod A (3), a spring guide rod (5), a main push shaft (6), a return spring (7), connecting rod B (8), connecting rod C (10), hopper positioning bracket (11), hopper flap (12), connecting rod D (13), connecting rod E (14) and self-locking push plate , wherein the hopper body (1) is installed on the hopper positioning bracket (11), one end of the fixing rod (2) is connected to the hopper body (1), and the connecting rod A (3) is hinged to the fixing rod (2) At the other end, one end of the connecting rod A (3) is a free end, and the other end is hinged with one end of the connecting rod B (8) through the main push shaft (6), and the other end of the connecting rod B (8) is hinged to the other end. One end of the connecting rod C (10) on the hopper body (1) is hinged, the other end of the connecting rod C (10) is hinged with one end of the connecting rod D (13), and the other end of the connecting rod D (13) is hinged It is hinged with one end of the connecting rod E (14), the other end of the connecting rod E (14) is hinged on the hopper body (1), and the connecting rod E (14) and the connecting rod C (10) are respectively installed on the A hopper flap (12) is provided, and the two hopper flaps (12) are arranged oppositely; a spring guide rod (5) is installed on the hopper body (1), and a self-locking pusher is slidably connected to the spring guide rod (5). A return spring (7) is sleeved on the spring guide rod (5), and the two ends of the return spring (7) are respectively abutted on the hopper body (1) and the self-locking push plate; the main push shaft ( 6) Under the action of external force, push the self-locking push plate, compress the return spring (7), and pass the connecting rod A (3), connecting rod B (8), connecting rod C (10), connecting rod D (13) and connecting rods. The transmission of the rod E (14) drives the two hopper flaps (12) to open, when the external force is withdrawn, the self-locking push plate is reset by the reset spring (7), and each connecting rod is pushed to the self-locking state ; 所述自锁推板分为与弹簧导向杆(5)滑动连接的自锁横推板(16)及用于与主推轴(6)接触、被主推轴(6)推动的自锁竖推板(24)。The self-locking push plate is divided into a self-locking horizontal push plate (16) slidably connected with the spring guide rod (5) and a self-locking vertical push plate for contacting with the main push shaft (6) and being pushed by the main push shaft (6) (twenty four). 2.根据权利要求1所述的自锁式称药料斗，其特征在于：所述主推轴(6)上与外力接触的部位安装有轴承组A(17)、与自锁推板接触的部位安装有轴承组B(18)，该轴承组A(17)及轴承组B(18)在外力推动过程中的转向相反。2. The self-locking medicine weighing hopper according to claim 1, characterized in that: the part of the main thrust shaft (6) in contact with the external force is provided with the bearing group A (17) and the part in contact with the self-locking push plate A bearing group B (18) is installed, and the bearing group A (17) and the bearing group B (18) turn in opposite directions during the pushing process of external force. 3.根据权利要求1所述的自锁式称药料斗，其特征在于：所述连杆A(3)通过连杆转轴A(4)与固定杆(2)的另一端铰接，所述主推轴(6)在外力推动时绕该连杆转轴A(4)摆动。3. The self-locking medicine weighing hopper according to claim 1, characterized in that: the connecting rod A (3) is hinged with the other end of the fixing rod (2) through the connecting rod rotating shaft A (4), and the main pusher The shaft (6) swings around the connecting rod axis A (4) when pushed by an external force. 4.根据权利要求1所述的自锁式称药料斗，其特征在于：所述连杆B(8)的一端与连杆A(3)的另一端分别铰接于主推轴(6)上，该连杆B(8)的另一端与所述连杆C(10)的一端分别铰接于并联轴(9)上。4. The self-locking medicine weighing hopper according to claim 1, wherein one end of the connecting rod B (8) and the other end of the connecting rod A (3) are respectively hinged on the main push shaft (6), The other end of the connecting rod B (8) and one end of the connecting rod C (10) are respectively hinged on the parallel shaft (9). 5.根据权利要求1所述的自锁式称药料斗，其特征在于：所述连杆C(10)通过连杆转轴B(19)铰接于料斗本体(1)上，该连杆C(10)的另一端通过连杆转轴C(20)与连杆D(13)的一端铰接，所述连杆D(13)的另一端通过连杆转轴D(21)与连杆E(14)的一端铰接，该连杆E(14)的另一端通过连杆转轴E(22)铰接于所述料斗本体(1)上。5 . The self-locking medicine weighing hopper according to claim 1 , wherein the connecting rod C ( 10 ) is hinged to the hopper body ( 1 ) through the connecting rod rotating shaft B ( 19 ). The other end of the connecting rod D (13) is hinged with one end of the connecting rod D (13) through the connecting rod rotating shaft C (20), and the other end of the connecting rod D (13) is connected with the connecting rod E (14) through the connecting rod rotating shaft D (21). One end of the connecting rod E (14) is hinged on the hopper body (1) through the connecting rod rotating shaft E (22). 6.根据权利要求5所述的自锁式称药料斗，其特征在于：所述连杆转轴B(19)到连杆转轴C(20)之间的间距、连杆转轴C(20)到连杆转轴D(21)之间的间距以及连杆转轴D(21)到连杆转轴E(22)之间的间距均相等，两个所述料斗翻板(12)在各连杆带动下对称开合。6. The self-locking medicine weighing hopper according to claim 5, characterized in that: the distance between the connecting rod rotating shaft B (19) and the connecting rod rotating shaft C (20), the distance between the connecting rod rotating shaft C (20) and the connecting rod rotating shaft C (20) The distance between the connecting rod rotating shafts D (21) and the distance between the connecting rod rotating shaft D (21) and the connecting rod rotating shaft E (22) are equal, and the two hopper flaps (12) are driven by the connecting rods. Symmetrical opening and closing. 7.根据权利要求1所述的自锁式称药料斗，其特征在于：所述固定杆(2)上设有固定板(25)，该固定板(25)上安装有支撑螺栓(26)；所述连杆A(3)的自由端呈钩状，该钩状的自由端在料斗翻板(12)合拢时抵接于所述支撑螺栓(26)上。7. The self-locking medicine weighing hopper according to claim 1, wherein a fixing plate (25) is arranged on the fixing rod (2), and a supporting bolt (26) is installed on the fixing plate (25). The free end of the connecting rod A (3) is hook-shaped, and the hook-shaped free end abuts on the support bolt (26) when the hopper flap (12) is closed. 8.根据权利要求1所述的自锁式称药料斗，其特征在于：所述料斗本体(1)左右两侧结构相同，每侧均具有固定杆(2)、连杆A(3)、连杆B(8)、连杆C(10)、连杆D(13)及连杆E(14)，两侧的连杆A(3)的另一端分别铰接于所述主推轴(6)的两端，两侧的连杆B(8)的另一端、两侧的连杆C(10)的一端均铰接于一根并联轴(9)上。8. The self-locking medicine weighing hopper according to claim 1, wherein the left and right sides of the hopper body (1) have the same structure, and each side has a fixed rod (2), a connecting rod A (3), Connecting rod B (8), connecting rod C (10), connecting rod D (13) and connecting rod E (14), the other ends of the connecting rod A (3) on both sides are respectively hinged to the main push shaft (6) Both ends of the connecting rod B (8) on both sides and one end of the connecting rod C (10) on both sides are hinged on a parallel shaft (9). 9.根据权利要求8所述的自锁式称药料斗，其特征在于：所述主推轴(6)与并联轴(9)平行。9 . The self-locking medicine weighing hopper according to claim 8 , wherein the main push shaft ( 6 ) is parallel to the parallel shaft ( 9 ). 10 .
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CN113651088B (en) * 2021-07-20 2023-08-08 上海观道生物科技有限公司 Automatic feeding system and method for traditional Chinese medicine decoction piece dispensing machine
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CN113651087B (en) * 2021-07-20 2023-08-29 上海观道生物科技有限公司 Full-automatic dispensing method for traditional Chinese medicine decoction pieces

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