CN211272425U - Hard capsule filling machine - Google Patents

Abstract

The utility model discloses a hard capsule filling machine has a feeder hopper on the filling mechanism, is equipped with the toper end cap that changes its blanking mouth at the lower extreme of feeder hopper, and through the locking of flexible latch fitting, restriction toper end cap is rotatory along with drive screw, utilizes reciprocating of toper end cap, can change the size of annular blanking mouth for the unloading volume is adjustable, and the dose in the capsule is packed into to accurate control, uses with the packing of adaptation to different materials and different volume capsule shells. In addition, through the rotation of the conical plug and the structural characteristics of the conical surface, materials falling on the conical surface can be uniformly thrown out, the thrown materials are uniformly scattered into the discharge pipe, accumulation is avoided, the feeding speed is stable, feeding is smooth, the occurrence of material overflowing is effectively avoided, resources are saved, and the feeding efficiency is greatly improved.

Description

A hard capsule filling machine

technical field

The utility model relates to the field of capsule production equipment, in particular to a hard capsule filling machine.

Background technique

A hard capsule is a type of medicine commonly used in people's daily life, such as amoxicillin, etc. It is made by filling a certain amount of medicinal powder or granules into a hollow capsule. The working principle of the existing hard capsule filling machine is: the empty capsule is sent to the capsule filling station through the empty capsule unloading device, and the capsule filling station first separates the capsule body and the capsule cap of the empty capsule, and then transfers the capsule body to the medicine. The filling station performs drug filling, and finally the filled capsule body and the capsule cap are re-merged through the capsule merging station, and the filled capsule is discharged through the discharge station.

At present, when the feeding tube of the automatic hard capsule filling mechanism is feeding, there is no control mechanism with adjustable feeding volume inside, so that the feeding volume of traditional Chinese medicine or western medicine cannot be effectively controlled when feeding, and the feeding volume is unstable. Entering the filling ring of the filling machine will cause changes in the amount of material in the filling ring and the bulk density of the material, so that the amount of medicine loaded into the capsule cannot be accurately controlled, especially when the capacity of the capsule changes, it cannot be adjusted. The amount of the drug will affect the patient's dosage, and ultimately affect the therapeutic effect. In addition, there are many particles accumulated at the end of the feeding pipe, which leads to unsmooth feeding, which greatly affects the feeding efficiency.

Utility model content

The technical problem to be solved by the utility model is to provide a hard capsule filling machine with adjustable feeding amount, stable feeding speed and smooth feeding.

In order to solve the above-mentioned technical problems, the technical scheme adopted by the present utility model is:

A hard capsule filling machine has a filling mechanism for filling the capsule body with medicine after the capsule body is separated from the capsule cap, the filling mechanism has a feeding hopper, and it is characterized in that, the feeding hopper comprises:

A material guide pipe, the material guide pipe is arranged vertically, a guide groove is opened on the side wall in the vertical direction, and a conical plug is movably provided at the lower end of the material guide pipe, and the conical plug is connected to the material guide An annular blanking port is formed between the pipes, and the maximum diameter of the conical plug is larger than the inner diameter of the material guide pipe;

The discharge pipe is coaxially fixed on the lower end of the material guide pipe, the inner diameter of the discharge pipe is larger than the outer diameter of the material guide pipe, and the lower end of the discharge pipe is fixed and communicated with the filling support shell of the filling mechanism;

The storage hopper is in the shape of a funnel, the lower end of which is fixed with the upper end of the material guide pipe, and a protective cover is arranged coaxially with the storage hopper. The protective cover is fixed to the storage hopper by means of a plurality of connecting arms, and a mounting plate;

The filling machine also includes a driving part for driving the conical plug to move up and down, changing the size of the blanking opening and driving the conical plug to rotate; the driving part includes a driving screw, a nut matched with the thread of the driving screw, and a driving part for changing directional telescopic lock;

The drive screw is arranged vertically, the upper end of which is rotatably passed through the mounting plate by means of a bearing, and is connected to the output shaft of a drive motor through a coupling, and the lower end of the drive screw movably passes out of the conical plug;

the nut is fixed on the upper end of the conical plug and is threadedly connected to the driving screw;

The telescopic locking piece is fixed on the nut, and the lock head of the telescopic locking piece can be stretched and inserted into the guide groove to limit the rotation of the conical plug;

The driving part also includes a telescopic protective sleeve sleeved on the outside of the driving screw, the protective sleeve includes an upper pipe body whose upper end is fixed with the protective cover, the upper end is sleeved with the upper pipe body, and the lower end is connected with a nut. Fixed downtube.

A further technical solution is that: a stirring shaft located in the material guide pipe is vertically fixed on the conical plug.

A further technical solution is that: a helical stirring blade is fixed on the stirring shaft.

A further technical solution is: the electric push rod, the lock head and the spring are fixedly arranged on the telescopic lock, the lock head is provided with an adjustment blind hole, and the telescopic rod of the electric push rod extends into the adjustment blind hole and is sleeved therewith. The spring is placed in the adjusting blind hole, and the two ends of the spring are respectively fixed with the lock head and the telescopic rod.

A further technical solution is that: the top surface of the protective cover has a wedge-shaped surface capable of guiding materials downward.

A further technical solution is that: the side wall of the protective cover is a conical surface with a downward constriction.

A further technical solution is: when the telescopic lock piece moves to the highest position of the guide groove, the conical plug closes the blanking port, and when the telescopic lock piece moves to the lowest position of the guide groove, the material is dropped. The mouth is the maximum state that is open.

The beneficial effects produced by the above technical solutions are:

The hard capsule filling machine improves the structure of the feeding hopper on the filling mechanism. Through the locking of the telescopic lock, the conical plug is restricted from rotating with the driving screw, and the up and down movement of the conical plug can change the size of the annular blanking port The size of the material can be adjusted, and the amount of medicine loaded into the capsule can be accurately controlled to adapt to the filling and use of different materials and capsule shells of different volumes.

In addition, through the rotation of the conical plug and the structural characteristics of its conical surface, the material falling on the conical surface can be evenly thrown out, and the thrown material can be evenly scattered into the discharge pipe to avoid accumulation and increase the feeding speed. Stable, smooth feeding, effectively avoid the occurrence of overflow, save resources, and greatly improve the efficiency of feeding.

In addition, with the up and down movement of the conical plug, it can also disturb the material in the feeding hopper to further prevent the accumulation and blockage of the material.

Description of drawings

The present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Fig. 1 is the main structure schematic diagram of hard capsule filling machine;

Fig. 2 is the structural representation of the feeding hopper in the present utility model;

Figure 3 is a schematic structural diagram of a telescopic lock in the present invention.

Detailed ways

The technical solutions in the embodiments of the present utility model will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, not all of the embodiments. . Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present invention.

In the following description, many specific details are set forth in order to fully understand the present utility model, but the present utility model can also be implemented in other ways different from those described herein, and those skilled in the art can do so without departing from the connotation of the present utility model. Therefore, the present invention is not limited by the specific embodiments disclosed below.

As shown in Figure 1, a hard capsule filling machine, the main body of which has the same structure as the existing hard capsule filling machine, including a case set on the ground, a center turntable is arranged on the case, and the side of the center turntable is evenly distributed with eight groups of Capsule plate, the capsule plate corresponds to a capsule discharge mechanism 01, a separation mechanism 02, a dislocation mechanism 03, a filling mechanism 04, a shaving mechanism 05, a closing mechanism 06, a discharging mechanism 07, and a cleaning mechanism 08. The capsule discharging mechanism arranges the empty capsules in a state with the cap on; the separating mechanism separates the cap and the capsule body; the dislocation mechanism staggers the axes of the cap and the capsule body; the filling mechanism fills the medicine into the capsule body; The removing mechanism shaves off the unseparated empty capsules to avoid mixing the unloaded empty capsules with the filled capsules; the closing mechanism overlaps the center line of the capsule cap and the center line of the capsule body, and uses the external pressure to separate the capsule cap and the loaded capsule. The closed capsule body is closed; the discharging mechanism pushes out the closed capsule; the cleaning mechanism removes the medicinal powder and broken capsule skin by means of the air exhausting and powder discharging structure.

After the capsule body is separated from the capsule cap, the filling mechanism 04 for filling the capsule body with medicine is provided with a feeding hopper 100 . The difference is that, as shown in FIG. 2 , the feed hopper 100 includes a feed pipe 101 , a discharge pipe 103 and a storage hopper 104 . The material guide pipe 101 is arranged vertically, a guide groove 1011 is opened on its side wall in the vertical direction, and a conical plug 102 is movably provided at the lower end of the material guide pipe 101. The conical plug 102 is connected to the material guide pipe. An annular blanking port is formed between 101 , and the maximum diameter of the conical plug 102 is larger than the inner diameter of the material guide tube 101 . The discharge pipe 103 is coaxially fixed to the lower end of the material guide pipe 101, the inner diameter of the discharge pipe 103 is larger than the outer diameter of the material guide pipe 101, and the lower end of the discharge pipe 103 is fixed and communicated with the filling support shell of the filling mechanism . The storage hopper 104 is in the shape of a funnel, the lower end of which is fixed with the upper end of the material guide pipe 101, and a protective cover 105 is arranged in the storage hopper 104 coaxially with it. A mounting plate is fixed horizontally in the cover 105;

The filling machine also includes a driving part for driving the conical plug 102 to move up and down, changing the size of the blanking opening and driving the conical plug to rotate; the driving part includes a driving screw 106 and a nut 107 matching the thread of the driving screw 106 And a telescopic lock 108 for reversing.

The driving screw 106 is arranged vertically, its upper end rotatably passes through the mounting plate by means of a bearing, and is connected to the output shaft of a driving motor 110 through a coupling, and its lower end movably passes out of the conical plug 102 . The nut 107 is fixed on the upper end of the conical plug 102 and is threadedly connected to the driving screw 106 . The telescopic locking member 108 is fixed on the nut 107 , and the locking head 1082 of the telescopic locking member 108 is elongated and can be snapped into the guide groove 1011 to restrict the rotation of the conical plug 102 . The driving part also includes a protective sleeve 109 that is sleeved outside the driving screw 106 and can be retracted. The protective sleeve 109 includes an upper pipe body whose upper end is fixed to the protective cover 105, and the upper end is sleeved with the upper pipe body. , The lower pipe body with the lower end fixed with the nut 107 . The setting of the protective sleeve 109 can prevent the material from entering, so as to ensure that the nut 107 runs smoothly on the driving screw 106 .

In the structure of the feeding hopper 100, when the telescopic lock member 108 is in the telescopic state, the driving motor 110 works to rotate the driving screw 106, and the conical plug 102 does not move up and down, but only rotates with the driving screw 106. The rotation of the conical plug 102 and the structural characteristics of its conical surface can evenly throw out the material falling on the conical surface, and the thrown out material is evenly scattered into the discharge pipe 103 to avoid accumulation and increase the feeding speed. Stable, smooth feeding, effectively avoid the occurrence of overflow, save resources, and greatly improve the efficiency of feeding.

When the telescopic lock member 108 is extended, the lock head 1082 is snapped into the guide groove 1011 to limit the rotation of the conical plug 102 with the driving screw 106 . Moving up and down. The drive motor 110 rotates forward, the conical plug 102 moves up, so that the annular blanking opening is reduced, and the blanking speed is reduced. When the conical plug 102 moves up to the highest allowed position, the annular blanking opening can be closed and stopped Blanking; the driving motor 110 is reversed, and the conical plug 102 moves down, so that the annular blanking opening becomes larger and the blanking speed becomes faster. Using the up and down movement of the conical plug 102, the size of the annular blanking opening can be changed, so that the blanking amount can be adjusted, and the amount of medicine loaded into the capsule can be accurately controlled to adapt to the filling of different materials and capsule shells of different volumes. In addition, with the up and down movement of the conical plug 102, the material in the feeding hopper 100 can also be disturbed, so as to further prevent the accumulation and blockage of the material.

Further, in order to prevent the material from being blocked in the feeding hopper 100 , a stirring shaft 111 located in the feeding pipe 101 is vertically fixed on the conical plug 102 . The stirring shaft 111 rotates eccentrically with the rotation of the conical plug 102, and rotates and stirs the material in the material guide pipe 101 to make it fall down smoothly. In order to increase the stirring effect, a helical stirring blade is fixed on the stirring shaft 111 .

The specific form of the telescopic lock 108 is shown in FIG. 3 , which includes an electric push rod 1081 fixed on the nut 107 , a lock head 1082 and a spring 1083 . The lock head 1082 is provided with an adjustment blind hole. The telescopic rod of the electric push rod 1081 is inserted into the adjustment blind hole to be sleeved with it, the spring 1083 is placed in the adjustment blind hole, and the two ends of the spring 1083 are respectively fixed to the lock head 1082 and the telescopic rod. After the electric push rod 1081 of the telescopic lock 108 is extended, the spring 1083 is compressed. When rotated to the position corresponding to the guide groove 1011 , the spring 1083 drives the lock head 1082 into the guide groove 1011 . When the electric push rod 1081 of the telescopic lock member 108 is shortened, the lock head 1082 is pulled by the spring 1083 to make the lock head 1082 withdraw from the guide groove 1011 . The adjustment of the telescopic structure is more convenient and not limited.

The top surface of the protective cover 105 has a wedge-shaped surface capable of guiding the material downward, which can be a conical surface or a polygonal pyramid surface, so as to avoid the accumulation of materials on the top of the protective cover 105 .

The side wall of the protective cover 105 is a conical surface with a downward constriction, so as to increase the volume of the storage hopper 104 .

When the telescopic lock member 108 moves to the highest position of the guide groove 1011, the conical plug 102 closes the blanking port, and when the retractable lock member 108 moves to the lowest position of the guide groove 1011, the blanking port is the maximum open state. In order to ensure that the driving cone can effectively close and maximize the opening of the blanking port. A sensor can be provided on the telescopic locking member 108 to sense the positional relationship between the telescopic locking member 108 and both ends of the guide groove 1011 to determine the position of the conical plug 102 .

The above are only preferred embodiments of the present invention, and any simple modifications, deformations and equivalent replacements made by anyone according to the content of the present invention will fall into the protection scope of the present invention.

Claims (7)

1. A hard capsule filling machine, having a filling mechanism (04) for filling the capsule body with medicine after the capsule body and the capsule cap are separated, the filling mechanism having a feeding hopper (100), wherein the The feeding hopper (100) includes: A material guide pipe (101), the material guide pipe (101) is arranged vertically, a guide groove (1011) is opened on the side wall in the vertical direction, and a conical shape is movable at the lower end of the material guide pipe (101) A plug (102), an annular blanking port is formed between the conical plug (102) and the material guide pipe (101), and the maximum diameter of the conical plug (102) is larger than that of the material guide pipe (101) ); The discharge pipe (103) is coaxially fixed on the lower end of the material guide pipe (101). The inner diameter of the discharge pipe (103) is larger than the outer diameter of the material guide pipe (101). The lower end is fixed and communicated with the filling support shell of the filling mechanism; The storage hopper (104) is in the shape of a funnel, the lower end of which is fixed with the upper end of the material guide pipe (101), and a protective cover (105) is arranged in the storage hopper (104) coaxially with the same. a connecting arm is fixed to the storage hopper (104), and a mounting plate is horizontally fixed in the protective cover (105); The filling machine also includes a driving part for driving the conical plug (102) to move up and down, changing the size of the blanking opening, and driving the conical plug to rotate; the driving part comprises a driving screw (106), a driving screw (106) ) threaded matching nut (107) and telescopic lock (108) for reversing; The drive screw (106) is arranged vertically, its upper end rotatably passes through the mounting plate by means of a bearing, and is connected to an output shaft of a drive motor (110) through a coupling, and its lower end movably passes through a conical plug (110). 102) outside; The nut (107) is fixed on the upper end of the conical plug (102) and is threadedly connected to the driving screw (106); The telescopic locking piece (108) is fixed on the nut (107), and the locking head (1082) of the telescopic locking piece (108) is elongated and can be snapped into the guide groove (1011) to restrict the conical plug (102). ) rotate; The driving part further comprises a protective sleeve (109) that is sleeved outside the driving screw (106) and can be retracted, the protective sleeve (109) includes an upper pipe body whose upper end is fixed to the protective cover (105), and a lower pipe body whose upper end is sleeved with the upper pipe body and the lower end is fixed with a nut (107). 2 . The hard capsule filling machine according to claim 1 , wherein a stirring shaft ( 111 ) located in the material guide pipe ( 101 ) is vertically fixed on the conical plug ( 102 ). 3 . 3 . The hard capsule filling machine according to claim 2 , wherein a helical stirring blade is fixed on the stirring shaft ( 111 ). 4 . 4. A hard capsule filling machine according to claim 1, characterized in that: the electric push rod (1081), the lock head (1082) and the spring (1083) are fixedly arranged on the telescopic lock (108), so The lock head (1082) is provided with an adjustment blind hole, the telescopic rod of the electric push rod (1081) extends into the adjustment blind hole and is sleeved with the adjustment blind hole, and the spring (1083) is placed in the adjustment blind hole, and both ends of the spring (1083) are placed in the adjustment blind hole. They are respectively fixed with the lock head (1082) and the telescopic rod. 5 . The hard capsule filling machine according to claim 1 , wherein the top surface of the protective cover ( 105 ) has a wedge-shaped surface capable of guiding the material downward. 6 . 6 . The hard capsule filling machine according to claim 1 , wherein the side wall of the protective cover ( 105 ) is a conical surface constricting downward. 7 . 7. A hard capsule filling machine according to claim 1, characterized in that: when the telescopic lock (108) moves to the highest position of the guide groove (1011), the conical plug (102) will The blanking port is closed, and when the telescopic locking member (108) moves to the lowest position of the guide groove (1011), the blanking port is in the maximum state of opening.

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