CN216183040U

CN216183040U - Pre-compaction device of tablet press

Info

Publication number: CN216183040U
Application number: CN202122433213.1U
Authority: CN
Inventors: 钱雪君; 周君
Original assignee: Shanghai Lvyi Machinery Manufacturing Co ltd
Current assignee: Shanghai Lvyi Machinery Manufacturing Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-04-05
Anticipated expiration: 2031-10-09

Abstract

The application discloses pre-compaction device of tablet press relates to tablet press technical field, which comprises a bod, movable sleeve has the conveyer belt in the organism, it has a plurality of die holders of evenly distributed to inlay in the conveyer belt of conveyer belt, the die holder top is seted up and is pressed the piece hole. This application is flexible through electric liquid push rod, the pre-compaction die holder that drives the upper die holder top carries out the pre-compaction to the downthehole powder of preforming earlier, in time discharge the air between the powder granule, the removal of rethread conveyer belt, come to carry out the main pressure to powder by the upper die holder, the internal stress that has discharged during the main pressure in the tablet can be moderate, the lobe of a leaf phenomenon can not take place, and can drive the pre-compaction die holder through rotatory threaded rod and carry out the elevating movement, be convenient for adjust the degree of compressing tightly of powder when the pre-compaction according to the demand, through the addition of adjusting the downthehole powder of preforming and the flexible volume of electric liquid push rod, can suppress out the tablet of different thickness behind upper die holder and the die holder cooperation in making the device, the suitability is wider.

Description

Pre-compaction device of tablet press

Technical Field

The application relates to a tablet press technical field especially relates to a pre-compaction device of tablet press.

Background

The tablet press is mainly used for tablet process research in the pharmaceutical industry. The tablet press is an automatic continuous production device for pressing granular materials into round, special-shaped and flaky materials with characters, symbols and patterns. With the development of market demands, the application range of the tablet press is wider and wider, the tablet press is not limited to pressing Chinese and western medicine tablets, and the tablet press can be used for pressing health-care food, veterinary medicine tablets and chemical tablets widely.

But current partial tablet press does not set up pre-compaction device, can't in time discharge the air between the powder granule, and the preforming can cause the tablet internal stress after the back too big, can the lobe of a leaf, so can't satisfy prior art needs.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that current partial tablet press does not set up pre-compaction device, this application provides a pre-compaction device of tablet press.

The application provides a pre-compaction device of tablet press adopts following technical scheme:

the utility model provides a pre-compaction device of tablet press, includes the organism, movable sleeve has the conveyer belt in the organism, it has evenly distributed's a plurality of die holders to inlay in the conveyer belt of conveyer belt, the die holder top is seted up and is pressed the piece hole, the fixed electro-hydraulic push rod that is provided with in organism inner wall top, there is the clamp plate electro-hydraulic push rod bottom through bolt fixed mounting, clamp plate bottom one side welding has the connecting rod, the fixed upper die base that is provided with in connecting rod bottom, clamp plate bottom opposite side set up screw hole, threaded hole internal thread cover has the threaded rod, threaded rod bottom welding has the commentaries on classics piece, commentaries on classics piece outer wall rotates the cover and has pre-compaction die holder, pre-compaction die holder is located the upper die base top, pre-compaction die holder and upper die base are located two respectively directly over the piece hole.

Optionally, a return spring is welded at the bottom of the pressing plate, and the bottom end of the return spring is welded with one side of the top of the pre-pressing die holder.

Optionally, the rotating block is in a cylindrical shape, and a bolt head is welded at the top end of the threaded rod.

Optionally, the pressing sheet hole is sleeved with a top frame in a sliding manner.

Optionally, the bottom end of the top frame penetrates through the lower die base, and the top frame is in a T shape.

Optionally, an electric push rod is fixedly arranged at the bottom of the inner wall of the machine body and is located below the top frame.

Optionally, a time switch is fixedly arranged on the top of the inner wall of the machine body.

Optionally, the electric push rod, the conveyor belt and the electro-hydraulic push rod are all electrically connected with a time control switch, and the time control switch is electrically connected with an external power supply.

In summary, the present application includes at least one of the following benefits:

1. stretch out and draw back through electric liquid push rod, the pre-compaction die holder that drives the upper die holder top carries out the pre-compaction to the downthehole powder of preforming earlier, in time discharge the air between the powder granule, the removal of rethread conveyer belt, come to carry out the main pressure to powder by the upper die holder, the internal stress that has discharged in the tablet during main pressure can be moderate, the lobe of a leaf phenomenon can not take place, and can drive the pre-compaction die holder through rotatory threaded rod and carry out the lift and move, be convenient for adjust the degree of compressing tightly of powder when pre-compaction according to the demand, through the addition of adjusting the downthehole powder of preforming and the flexible volume of electric liquid push rod, can suppress out the tablet of different thickness behind upper die holder and the die holder cooperation in the messenger device, the suitability is wider.

2. Flexible through electric putter, it rises to drive the roof-rack, comes to carry out the jack-up drawing of patterns to the tablet after the preforming, makes things convenient for people to collect the tablet after the preforming, and time control switch can set for regularly controlling electric appliances such as electric putter and conveyer belt according to people, makes the device internal energy form a production line, and the automation transports powder, pre-compaction, main pressure and drawing of patterns, reduces human resources's input for preforming and production efficiency to powder, improved the practicality of device.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic view of the interior of the overall structure of the present invention;

fig. 4 is an enlarged view of the structure B of fig. 3 according to the present invention.

Description of reference numerals: 1. a body; 11. an electric push rod; 12. a time control switch; 2. a conveyor belt; 21. a lower die holder; 22. a wafer pressing hole; 23. a top frame; 3. an electro-hydraulic push rod; 31. pressing a plate; 32. a connecting rod; 33. an upper die holder; 34. a threaded hole; 35. a threaded rod; 36. rotating the block; 37. pre-pressing a die holder; 38. a return spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses pre-compaction device of tablet press, refer to fig. 1, including

organism

1, 1 internal movable sleeve of organism has conveyer belt 2, and conveyer belt 2 can pass organism 1, makes conveyer belt 2 can transport the material to organism 1 in, inlays in conveyer belt 2's the conveyer belt and has a plurality of die holders 21 of evenly distributed, and conveyer belt 2 is board-like conveyer belt, makes conveyer belt 2's board-like conveyer belt can support and fix die holder 21.

Referring to fig. 3, die holder 21 top is seted up and is pressed piece hole 22, the feed mechanism of the current tablet press of accessible comes to pour into powder into in the preforming hole 22 before the preforming, 1 fixed electric liquid push rod 3 that is provided with in inner wall top of organism, organism 1 can support and fix electric liquid push rod 3, there is clamp plate 31 electric liquid push rod 3 bottom through bolt fixed mounting, electric liquid push rod 3 can drive clamp plate 31 after stretching out and drawing back and go up and down, clamp plate 31 bottom one side welding has connecting rod 32, clamp plate 31 can support connecting rod 32, connecting rod 32 bottom mounting is provided with upper die base 33, connecting rod 32 can be connected clamp plate 31 and upper die base 33, still can support and fix upper die base 33.

Referring to fig. 2-4, a threaded hole 34 is formed in the other side of the bottom of the pressing plate 31, a threaded rod 35 is sleeved in the threaded hole 34, the threaded hole 25 can support and limit the threaded rod 35, a rotating block 36 is welded at the bottom end of the threaded rod 35, a pre-pressing die holder 37 is sleeved on the outer wall of the rotating block 36 in a rotating mode, the rotating block 36 can connect the pre-pressing die holder 37 with the threaded rod 35, and a return spring 38 is welded at the bottom of the pressing plate 31.

Referring to fig. 2-4, the bottom end of the reset spring 38 is welded to one side of the top of the pre-pressing die holder 37, the reset spring 38 can connect the pressing plate 31 with the pre-pressing die holder 37, and limit the pre-pressing die holder 37, so as to prevent the pre-pressing die holder 37 from rotating, after the threaded rod 35 rotates, the rotating block 36 is connected to the reset spring 38, and the pre-pressing die holder 37 can only go up and down and cannot rotate, the reset spring 38 can also absorb shock to the pre-pressing die holder 37, so as to reduce the shock and wear of the rotating block 36 and the pre-pressing die holder 37 during pre-pressing, the rotating block 36 is in a cylindrical shape, so that the rotating block 36 can rotate conveniently, the top end of the threaded rod 35 is welded with a bolt head, and the tool can be used to rotate the threaded rod 35.

Referring to fig. 2-4, the pre-pressing mold base 37 is located above the upper mold base 33, and the pre-pressing mold base 37 and the upper mold base 33 are respectively located right above the two tablet holes 22, so that the upper pre-pressing mold base 37 can pre-press the powder in the tablet holes 22 first without compacting the powder, and then the upper mold base 33 performs main pressing on the powder in the tablet holes 22 to compact the powder and press the powder into tablets.

Referring to fig. 2-4, sliding sleeve has roof-rack 23 in preforming hole 22, preforming hole 22 can support and be spacing to roof-rack 23, die holder 21 is run through to roof-rack 23 bottom, be convenient for through roof-rack 23 is moved in the top of die holder 21 bottom, make roof-rack 23 go up and down, roof-rack 23 is "T" font, be convenient for the roof-rack 23 top promotes the tablet in preforming hole 22, be convenient for roof-rack 23 bottom accepts the promotion, the fixed electric putter 11 that is provided with in 1 inner wall bottom of organism, organism 1 can support and fix electric putter 11, electric putter 11 is located roof-rack 23 below, can push up roof-rack 23 in proper order after making electric putter 11 flexible.

Referring to fig. 1 and 3, fixed time switch 12 that is provided with in 1 inner wall top of organism, organism 1 can support time switch 12, and electric putter 11, conveyer belt 2 and electric liquid push rod 3 all with time switch 12 electric connection, and time switch 12 can be regularly controlled electric putter 11, conveyer belt 2 and electric liquid push rod 3 according to setting for, and time switch 12 and external power source electric connection, external power source supply power.

The implementation principle of the pre-compaction device of the tablet press provided by the embodiment of the application is as follows:

when the device is used, the medicinal powder is sequentially injected into the tabletting holes 22, the time control switch 12 is turned on, the time control switch 12 firstly turns on the conveying belt 2 according to the setting, the conveying belt 2 moves the lower die base 21 for powder injection to be under the prepressing die base 37 through the conveying belt, at the moment, the conveying belt 2 is turned off and the electric-hydraulic push rod 3 is made to stretch, after the electric-hydraulic push rod 3 stretches, the prepressing die base 37 is driven to descend through the pressing plate 31, the threaded rod 35 and the rotating block 36 to prepress the medicinal powder in the tabletting holes 22, air among medicinal powder particles is timely exhausted, the conveying belt 2 is turned on to move the medicinal powder after prepressing to be under the upper die base 33, at the moment, the conveying belt 2 is still turned off and the electric-hydraulic push rod 3 is stretched, the electric-hydraulic push rod 3 drives the tabletting upper die base 33 to descend through the pressing plate 31 and the connecting rod 32 to carry out main pressing on the medicinal powder in the tabletting holes 22 to make the medicinal powder be tabletted into tablets, the lower die base 21 is moved to be over the electric push rod 11 through the conveying belt 2, close conveyer belt 2 and flexible electric putter 11 this moment, electric putter 11 extends the back and can carry out the jack-up through roof-rack 23 to the tablet, come to carry out the drawing of patterns to the tablet and collect, repeat above step, can transport powder in proper order, the pre-compaction, owner's pressure and drawing of patterns, people's still rotatable threaded rod 35, under screw hole 34 is spacing, threaded rod 35 can go up and down rotatory while going up and down, be connected down at reset spring 38 spacing and commentaries on classics piece 36 this moment, pre-compaction die holder 37 can go up and down and can not rotate, be convenient for control the difference in height of pre-compaction die holder 37 and upper die base 33, the degree of compaction to the powder when adjusting the pre-compaction, people still can be through the addition of the powder in the control pressure piece hole 22, and adjust the flexible volume of electric putter 3, make upper die base 21 can carry out the pressing of different degree of depth to the powder in the lower die holder 33, the tablet of different thickness is pressed out.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A pre-compaction device of tablet press, includes organism (1), its characterized in that: the machine body (1) is movably sleeved with a conveyor belt (2), a plurality of lower die seats (21) which are uniformly distributed are embedded in the conveyor belt of the conveyor belt (2), a tabletting hole (22) is formed in the top of each lower die seat (21), an electro-hydraulic push rod (3) is fixedly arranged on the top of the inner wall of the machine body (1), a press plate (31) is fixedly arranged at the bottom end of the electro-hydraulic push rod (3) through bolts, a connecting rod (32) is welded on one side of the bottom of the press plate (31), an upper die seat (33) is fixedly arranged at the bottom end of the connecting rod (32), a threaded hole (34) is formed in the other side of the bottom of the press plate (31), a threaded rod (35) is sleeved in the threaded hole (34), a rotating block (36) is welded at the bottom end of the threaded rod (35), a pre-pressing die seat (37) is rotatably sleeved on the outer wall of the rotating block (36), and the pre-pressing die seat (37) is positioned above the upper die seat (33), the pre-pressing die holder (37) and the upper die holder (33) are respectively positioned right above the two pressing sheet holes (22).

2. The pre-compression device of a tablet press according to claim 1, characterized in that: the bottom of the pressing plate (31) is welded with a return spring (38), and the bottom end of the return spring (38) is welded with one side of the top of the prepressing die holder (37).

3. The pre-compression device of a tablet press according to claim 1, characterized in that: the rotating block (36) is in a cylindrical shape, and a bolt head is welded at the top end of the threaded rod (35).

4. The pre-compression device of a tablet press according to claim 1, characterized in that: the top frame (23) is sleeved in the pressing sheet hole (22) in a sliding manner.

5. The pre-compression device of a tablet press according to claim 4, characterized in that: the bottom end of the top frame (23) penetrates through the lower die base (21), and the top frame (23) is T-shaped.

6. The pre-compression device of a tablet press according to claim 5, characterized in that: the electric push rod (11) is fixedly arranged at the bottom of the inner wall of the machine body (1), and the electric push rod (11) is located below the top frame (23).

7. The pre-compression device of a tablet press according to claim 6, characterized in that: the top of the inner wall of the machine body (1) is fixedly provided with a time control switch (12).

8. The pre-compression device of a tablet press according to claim 7, characterized in that: electric putter (11), conveyer belt (2) and electric liquid push rod (3) all with time switch (12) electric connection, time switch (12) and external power source electric connection.