CN2405588Y

CN2405588Y - Wet granulating machine

Info

Publication number: CN2405588Y
Application number: CN 99258823
Authority: CN
Inventors: 张明福
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-12-30
Filing date: 1999-12-30
Publication date: 2000-11-15
Anticipated expiration: 2009-12-30

Abstract

The utility model relates to a wet granulating machine which comprises a machine frame casing and a cover lifting mechanism. The utility model is characterized in that the cover lifting mechanism adopts the structure that a support frame fixedly connected with the machine frame casing is hinged with a swing arm through a shaft pin, wherein one end of the swing arm is fixedly connected with a cylinder cap and the other end of the swing arm is movably hinged with one end of a guide shaft of which the other end penetrates through a guide sleeve arranged on the machine frame casing to be connected with a balance weight. A rotation prevention and guide device is arranged between the machine frame casing and the balance weight suspended in the machine frame casing. The utility model has the advantages of simple structure, convenient operation, etc., and the cylinder cap can be freely lifted to any angle only by small force; thus labor intensity is obviously lowered, and the utility model is convenient in use.

Description

Wet granulator

This utility model relates to a kind of pharmaceutical equipment, particularly a kind of wet granulator of making tablet, pill or medicine bag.

Existing wet granulator generally is made up of frame, transmission rabbling mechanism, cutter mechanism, drawing mechanism, cylinder cap device, uncovery mechanism, circuit controlling organization and pneumatic control mechanism, its uncovery mechanism all adopts spring or air spring to realize taking off lid or closes lid, when the cylinder cap locking device unclamps, under the bigger elastic force effect of spring or air spring, cylinder cap is once strutted until extreme position suddenly; When needs close cylinder cap, must overcome the elastic force effect of spring or air spring, cylinder cap could be left behind or depresses, when particularly locking cylinder cap, cylinder cap could be locked with the bigger cylinder cap of defeating.This uncovery mechanism makes cylinder cap or just open, or just closes., the angle that cylinder cap is opened is subjected to the structural limitations of this uncovery mechanism, can not open to arbitrarily angled, and operator's labor intensity is big, uses very inconvenient.

The purpose of this utility model just provides a kind of simple in structure, easily manufactured wet granulator, and the power that its uncovery mechanism need only be very little just can make cylinder cap optionally open to arbitrarily angled, and is very easy to use.

The purpose of this utility model is to realize by such technical scheme, it includes frame housing, drive mechanism, drawing mechanism, uncovery mechanism, circuit controlling organization and pneumatic control mechanism, it is characterized in that: uncovery mechanism is that the support that is connected with the frame housing is hinged by pivot pin and swing arm, one end and the cylinder cap of swing arm are connected, one end activeness of the other end and the axis of guide is hinged, the axis of guide other end passes the fairlead that is arranged on the frame housing and is connected with counterweight, is provided with the anti-rotation guider between the counterweight of suspention and the frame housing in the frame housing.

This utility model designs according to principle of moment balance, hinged place with support and swing arm is rotating shaft, and the cylinder cap of getting the rotating shaft left side equates or approaching equating with the clockwise torque that counterweight, the axis of guide and other part on rotating shaft the right are produced in rotation process with the counterclockwise torque capacity that other part is produced in rotation process; Cylinder cap is in the process of uncapping, and the axis of guide produces certain pressure to fairlead, forms stiction, thereby produces clockwise or counterclockwise friction torque; The counterclockwise torque that is produced when the cylinder cap on the rotating shaft left side and other part is during less than the clockwise torque that counterweight, the axis of guide and other part produced on rotating shaft the right, the axis of guide has downward movement tendency, the stiction direction straight up, produce counterclockwise friction torque, make counterclockwise torque that the cylinder cap on the rotating shaft left side and other part produced and counterclockwise friction torque sum equal the clockwise torque that counterweight, the axis of guide and other part produced on the right of the rotating shaft, to reach equalising torque, cylinder cap can remain static; The counterclockwise torque that is produced when the cylinder cap on the rotating shaft left side and other part is during greater than the clockwise torque that counterweight, the axis of guide and other part produced on rotating shaft the right, the axis of guide has movement tendency upwards, the stiction direction straight down, produce clockwise friction torque, the counterclockwise torque that makes the cylinder cap on the rotating shaft left side and other part be produced equals the clockwise torque sum that counterweight, the axis of guide and other part produced of clockwise friction torque on the right of rotating shaft, to reach equalising torque, cylinder cap still can remain static.In sum, as long as go up the very little power that can overcome friction torque a little, just can reach the purpose of taking off lid lightly or closing lid, but also can cylinder cap be stopped at position arbitrarily according to operator's needs.The effect of anti-rotation guider is to prevent the counterweight rotation, guarantees that counterweight moves at vertical direction.

Owing to adopted technique scheme, the utlity model has simple in structure, make and advantage such as easy to operate easily, need only use very little power, cylinder cap just can optionally be opened to arbitrarily angled, can obviously reduce labor intensity easily with cylinder cap locking, very easy to use.

Description of drawings of the present utility model is as follows:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the right view among Fig. 1;

Fig. 3 is the structural representation of uncovery mechanism;

Fig. 4 is the cutaway view of A-A among Fig. 3.

Among the figure: 1. frame housing; 2. drive mechanism; 3. drawing mechanism; 4. uncovery mechanism; 5. support; 6. pivot pin; 7. swing arm; 8. cylinder cap; 9. the axis of guide; 10. fairlead; 11. counterweight; 12. lead; 13. pawl; 14. switchboard; 15. switch contacts; 16. shake-up head; 17. loose tabletting; 18. scroll wheel; 19. spring; 20. breach; 21. slippage slotted eye; 22. installation shaft; 23. bearing; 24 inclined planes; 25. cushion; 26. increase the cushion rubber that rubs.

The utility model is described in further detail below in conjunction with drawings and Examples:

As Fig. 1, shown in 2, this utility model includes frame housing 1, drive mechanism 2, drawing mechanism 3, uncovery mechanism 4, circuit controlling organization and pneumatic control mechanism, it is characterized in that: as can be known in conjunction with Fig. 3, uncovery mechanism 4 is that the support 5 that is connected with frame housing 1 is hinged by pivot pin 6 and swing arm 7, one end and the cylinder cap 8 of swing arm 7 are connected, one end activeness of the other end and the axis of guide 9 is hinged, the axis of guide 9 other ends pass the fairlead 10 that is arranged on the frame housing 1 and are connected with counterweight 11, are provided with the anti-rotation guider between the counterweight 11 of suspention and the frame housing 1 in the frame housing 1.

This utility model designs according to principle of moment balance, hinged place with support 5 and swing arm 7 is rotating shaft, and the cylinder cap 8 of getting the rotating shaft left side equates or approaching equating with the clockwise torque that counterweight 11, the axis of guide 9 and other part on rotating shaft the right are produced in rotation process with the counterclockwise torque capacity that other part is produced in rotation process; Cylinder cap 8 is in the process of uncapping, and 9 pairs of fairleads of the axis of guide 10 produce certain pressure, form stiction, thereby produce clockwise or counterclockwise friction torque; During clockwise torque that the counterclockwise torque that is produced when cylinder cap 8 and other part on the rotating shaft left side is produced less than counterweight 11, the axis of guide 9 and other part on rotating shaft the right, the axis of guide 9 has downward movement tendency, the stiction direction straight up, produce counterclockwise friction torque, make the cylinder cap 8 on the rotating shaft left side and counterclockwise torque that other part is produced and counterclockwise friction torque sum equal the clockwise torque that counterweight 11, the axis of guide 9 and other part on the right of the rotating shaft are produced, to reach equalising torque, cylinder cap 8 can remain static; During clockwise torque that the counterclockwise torque that is produced when cylinder cap 8 and other part on the rotating shaft left side is produced greater than counterweight 11, the axis of guide 9 and other part on rotating shaft the right, the axis of guide 9 has movement tendency upwards, the stiction direction straight down, produce clockwise friction torque, make the cylinder cap 8 on the rotating shaft left side and the counterclockwise torque that other part is produced equal the clockwise torque sum that counterweight 11, the axis of guide 9 and other part of clockwise friction torque on the right of rotating shaft produced, to reach equalising torque, cylinder cap 8 still can remain static.In sum, as long as go up the very little power that can overcome friction torque a little, just can reach the purpose of taking off lid lightly or closing lid, but also can cylinder cap 8 be stopped at position arbitrarily according to operator's needs.The effect of anti-rotation guider is to prevent counterweight 11 rotation, guarantees that counterweight 11 moves at vertical direction.

As shown in Figure 3, the lead 12 that the anti-rotation guider is and frame housing 1 vertically is connected inserts in solid between two pawls 13 on the counterweight 11.

As shown in Figure 3, in order to guarantee that this utility model can not start work after taking off lid, intrinsic switchboard 14 between two pawls 13, switchboard 14 is provided with touch switch 15, be hinged with touch switch 15 or switchboard 14 with shake-up 16 contacted loose tabletting 17 1 end on the touch switch 15, the other end is provided with scroll wheel 18 and is against on the lead 12, and an end of spring 19 is connected with touch switch 15 or switchboard 14, the other end is connected with loose tabletting 17, and lead 12 is provided with breach 20.It is like this work: after opening cylinder cap 8, scroll wheel 18 moves with counterweight 11 and shifts out from the breach 20 of lead 12, and loose tabletting 17 is pushed down the shake-up 16 on the touch switch 15, and touch switch 15 disconnects, and this utility model can not start work; After cylinder cap 8 was closed, scroll wheel 18 supported breach 20 places into lead 12 under the drive of counterweight 11, and loose tabletting 17 unclamps the shake-up 16 on the touch switch 15, touch switch 15 closures, and this utility model can start work.

Shown in Fig. 3,4, in order to strengthen the pressure of 9 pairs of fairleads 10 of the axis of guide, enough friction torques are provided, swing arm 7 is that the slippage slotted eye 21 that is arranged in the swing arm 7 is passed in the axis of guide 9 ends with the activeness articulated manner of the axis of guide 9, and intrinsic installation shaft 22, installation shaft 22 is socketed with bearing 23 by jump ring, and bearing 23 places on the inclined plane 24 that is arranged on slippage slotted eye 21 both sides; The axis of guide 9 has the movement tendency that the right side is leaned on all the time like this, and it maintains certain pressure to fairlead 10, and providing of friction torque has been provided.

As shown in Figure 3, damage because of the regular collision of swing arm in order to prevent fairlead 10, fairlead 10 tops are provided with cushion 25; Fairlead 10 inwalls are provided with and increase the cushion rubber 26 that rubs, and with the coefficient of friction between the increase axis of guide 9 and the fairlead 10, thereby increase stiction, guarantee to provide enough friction torques.

Claims

1. wet granulator; include frame housing (1); drive mechanism (2); drawing mechanism (3); uncovery mechanism (4); circuit controlling organization and pneumatic control mechanism; it is characterized in that: uncovery mechanism (4) is that the support (5) that is connected with frame housing (1) is hinged by pivot pin (6) and swing arm (7); one end of swing arm (7) and cylinder cap (8) are connected; one end activeness of the other end and the axis of guide (9) is hinged; the axis of guide (9) other end passes the fairlead (10) that is arranged on the frame housing (1) and is connected with counterweight (11), is provided with the anti-rotation guider between the counterweight (11) of suspention and the frame housing (1) in the frame housing (1).

2. wet granulator as claimed in claim 1 is characterized in that: the lead (12) that the anti-rotation guider is and frame housing (1) vertically is connected inserts in solid between two pawls (13) on the counterweight (11).

3. wet granulator as claimed in claim 2; it is characterized in that: intrinsic switchboard (14) between two pawls (13); switchboard (14) is provided with touch switch (15); be hinged with touch switch (15) or switchboard (14) with contacted loose tabletting (17) one ends of the shake-up head (16) on the touch switch (15); the other end is provided with scroll wheel (18) and is against on the lead (12); one end of spring (19) is connected with touch switch (15) or switchboard (14); the other end is connected with loose tabletting (17), and lead (12) is provided with breach (20).

4. wet granulator as claimed in claim 1; it is characterized in that: swing arm (7) is that the slippage slotted eye (21) that is arranged in the swing arm (7) is passed in the axis of guide (9) end with the activeness articulated manner of the axis of guide (9); and intrinsic installation shaft (22); installation shaft (22) is socketed with bearing (23) by jump ring, and bearing (23) places on the inclined plane (24) that is arranged on slippage slotted eye (21) both sides.

5. as claim 1,2,3,4 described wet granulators, it is characterized in that: fairlead (10) top is provided with cushion (25).

6. as claim 1,2,3,4 described wet granulators, it is characterized in that: fairlead (10) inwall is provided with and increases the cushion rubber that rubs (26).