CN213137956U - Quick clamping mechanism of mould that preforming machine was used - Google Patents
Quick clamping mechanism of mould that preforming machine was used Download PDFInfo
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- CN213137956U CN213137956U CN202021370132.0U CN202021370132U CN213137956U CN 213137956 U CN213137956 U CN 213137956U CN 202021370132 U CN202021370132 U CN 202021370132U CN 213137956 U CN213137956 U CN 213137956U
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- connecting rod
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Abstract
The utility model discloses a quick clamping mechanism of mould that preforming machine was used, including last jumper bar connecting rod, the connecting rod cavity has been seted up to the inside bottom of last jumper bar connecting rod, the preceding middle part fixedly connected with location connecting rod of connecting rod cavity, and the surface back swing joint of location connecting rod has last jumper bar constant head tank, go up the jumper bar on the back fixedly connected with of jumper bar constant head tank, go up the top both sides fixedly connected with upper punch die locating lever of jumper bar, the top swing joint of upper punch die locating lever has the movable locating plate. This quick clamping mechanism of mould that preforming machine was used is provided with movable positioning board, and when movable positioning board's inboard upward movement, thereby movable positioning board's outside downward movement drives the locating piece downstream, and first spring and second spring are in tensile state this moment, through location fastening bolt with locating piece and upper punch threaded connection, have further improved the device's precision, the effectual upper punch that prevents simultaneously drops.
Description
Technical Field
The utility model relates to a tablet press technical field specifically is a quick clamping mechanism of mould that preforming machine was used.
Background
The tablet is the most common dosage form in the pharmaceutical preparation, it is mainly formed by punching of the tablet press, the tablet press is mainly used for the tablet technological study of the pharmaceutical industry, the tablet press presses the graininess into the round, special-shaped and with characters, symbols, the automatic continuous production apparatus of the figure flakiness thing with the diameter not more than 13mm, the working principle of the tablet press is to drive the upper punch to push down through the crank connecting rod, press the raw materials into the tablet in the middle mould, and then push the tablet out from the middle mould through the lower punch, therefore, the mould is an indispensable accessory on the tablet press.
When different shapes of tablets are pressed, different dies need to be replaced, but the replacement of dies of a tablet press in the current market is very inconvenient, time-consuming and labor-consuming, and the movement precision of an upper punch is not high during punching, so that the pressed tablets are often irregular in shape.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quick clamping machine of mould that preforming machine was used constructs to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a die quick clamping mechanism for a tablet press comprises an upper punch connecting rod, a connecting rod cavity is formed in the bottom inside the upper punch connecting rod, a positioning connecting rod is fixedly connected to the middle of the front of the connecting rod cavity, an upper punch positioning groove is movably connected to the back of the outer surface of the positioning connecting rod, an upper punch is fixedly connected to the back of the upper punch positioning groove, upper punch positioning rods are fixedly connected to two sides of the top of the upper punch, a movable positioning plate is movably connected to the top of the upper punch positioning rods, a first magnetic block is fixedly connected to the right end of the movable positioning plate, a positioning plate supporting column is hinged to the top of the middle of the movable positioning plate, a first spring is fixedly connected to the right side of the positioning plate supporting column, a second spring is fixedly connected to the right side of the first spring, a second magnetic block is, the bottom of the second magnetic block is movably connected with a positioning fastening bolt, the outer surface of the left side of the positioning fastening bolt is in threaded connection with a positioning block, the outer surface of the bottom of the upper punch is movably connected with a middle die, the bottom of the middle die is movably connected with a lower punch, the middle of the bottom of the lower punch is provided with a lower punch positioning groove, and the bottom of the lower punch positioning groove is movably connected with a lower punch connecting rod.
Preferably, the middle of the top of the upper punch rod is provided with an upper punch rod positioning groove, and the back of the middle of the top of the upper punch rod is provided with an upper punch rod positioning groove.
Preferably, the bottom back of the lower punch is provided with two lower punch positioning grooves.
Preferably, the middle bottoms of the front and back sides of the upper punch connecting rod are fixedly connected with two positioning connecting rods.
Preferably, the bottom of the right end of the movable positioning plate is fixedly connected with a positioning block, and a bolt hole is formed in the positioning block.
Preferably, the internal structure of the lower punch is the same as that of the upper punch.
Preferably, the number of the positioning fastening bolts is two, the number of the movable positioning plates is two, and the positioning connecting rods are used as symmetry axes and distributed on two sides of the positioning connecting rods.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) this quick clamping machine of mould that preforming machine constructs is provided with the location connecting rod, aligns the location connecting rod with the upper punch locating slot that upper punch inside was seted up, can improve the precision of upper punch connecting rod and upper punch, later upwards pushes away the upper punch, until upper punch die locating lever contact activity locating plate, with the inboard jack-up of activity locating plate, activity locating plate and upper punch connecting rod contact, the device is effectual has improved the precision between upper punch and the well mould.
(2) This quick clamping mechanism of mould that preforming machine was used is provided with movable positioning board, and when movable positioning board's inboard upward movement, thereby movable positioning board's outside downstream drives the locating piece downstream, and first spring and second spring are in tensile state this moment, through location fastening bolt with locating piece and upper punch threaded connection, further improved the device's precision, simultaneously the effectual upper punch that prevents drops.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the internal structure of the cavity of the connecting rod taken from FIG. 1;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure: 1 upper punch connecting rod, 2 connecting rod cavities, 3 positioning connecting rods, 4 upper punch positioning grooves, 5 upper punches, 6 upper punch positioning rods, 7 movable positioning plates, 8 first magnetic blocks, 9 positioning plate supporting columns, 10 first springs, 11 second springs, 12 second magnetic blocks, 13 positioning fastening bolts, 14 positioning blocks, 15 middle dies, 16 lower punches, 17 lower punch positioning grooves and 18 lower punch connecting rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a die quick clamping mechanism for a tablet press comprises an upper punch connecting rod 1, wherein the middle bottoms of the front and back sides of the upper punch connecting rod 1 are fixedly connected with two positioning connecting rods 3, the bottom of the inner part of the upper punch connecting rod 1 is provided with a connecting rod cavity 2, the front middle part of the connecting rod cavity 2 is fixedly connected with the positioning connecting rods 3, upper punch positioning grooves 4 formed in the upper punch 5 are aligned with the positioning connecting rods 3, the accuracy of the upper punch connecting rod 1 and the upper punch 5 can be improved, then the upper punch 5 is pushed upwards until an upper punch positioning rod 6 contacts a movable positioning plate 7, the inner side of the movable positioning plate 7 is jacked up, the movable positioning plate 7 is contacted with the upper punch connecting rod 1, the device effectively improves the accuracy between the upper punch 5 and a middle die 15, the back side of the outer surface of the positioning connecting rod 3 is movably connected with an upper punch positioning groove 4, the back of the upper punch positioning groove 4 is fixedly connected with an upper punch 5, the middle part of the top of the upper punch 5 is provided with the upper punch positioning groove 4, the back of the middle part of the top of the upper punch 5 is provided with the upper punch positioning groove 4, two sides of the top of the upper punch 5 are fixedly connected with upper punch positioning rods 6, the top of the upper punch positioning rods 6 is movably connected with a movable positioning plate 7, the bottom of the right end of the movable positioning plate 7 is fixedly connected with a positioning block 14, bolt holes are formed in the positioning block 14, when the inner side of the movable positioning plate 7 moves upwards, the outer side of the movable positioning plate 7 moves downwards so as to drive the positioning block 14 to move downwards, at the moment, a first spring 10 and a second spring 11 are in a stretching state, the positioning block 14 is in threaded connection with the upper punch 5 through a positioning fastening bolt 13, the accuracy of the device is further improved, meanwhile, a positioning plate supporting column 9 is hinged to the top of the middle of the movable positioning plate 7, a first spring 10 is fixedly connected to the right side of the positioning plate supporting column 9, a second spring 11 is fixedly connected to the right side of the first spring 10, a second magnetic block 12 is fixedly connected to the right side of the second spring 11, a positioning fastening bolt 13 is movably connected to the bottom of the second magnetic block 12, the number of the positioning fastening bolts 13 is two, the number of the movable positioning plates 7 is two, the positioning connecting rods 3 are used as symmetrical shafts and are distributed on two sides of the positioning connecting rods 3, a positioning block 14 is connected to the outer surface of the left side of the positioning fastening bolt 13 in a threaded manner, a middle die 15 is movably connected to the outer surface of the bottom of the upper punch 5, a lower punch 16 is movably connected to the bottom of the middle die 15, the inner structure of the lower punch 16 is the same as the, the number of the lower punch positioning grooves 17 is two, the middle part of the bottom of the lower punch 16 is provided with the lower punch positioning grooves 17, and the bottom of the lower punch positioning grooves 17 is movably connected with a lower punch die connecting rod 18.
The working principle is as follows: when the die quick clamping mechanism for the tabletting machine is used, the upper punch positioning groove 4 formed in the upper punch 5 is aligned with the positioning connecting rod 3, the accuracy of the upper punch connecting rod 1 and the upper punch 5 can be improved, then the upper punch 5 is pushed upwards until the upper punch positioning rod 6 contacts the movable positioning plate 7, the inner side of the movable positioning plate 7 is jacked up, the movable positioning plate 7 contacts with the upper punch connecting rod 1, the movable positioning plate 7 is hinged with the positioning plate supporting column 9, when the inner side of the movable positioning plate 7 moves upwards, the outer side of the movable positioning plate 7 moves downwards so as to drive the positioning block 14 to move downwards, at the moment, the first spring 10 and the second spring 11 are in a stretching state, the positioning block 14 is in threaded connection with the upper punch 5 through the positioning fastening bolt 13, the accuracy of the device is further improved, meanwhile, the upper punch 5 is effectively prevented from falling off, when the upper punch 5 needs to be replaced, and (3) taking out the positioning fastening bolt 13, moving the upper punch 5 downwards, and enabling the movable positioning plate 7 to be attracted by the first magnetic block 8 and the second magnetic block 12 under the action of the first spring 10 and the second spring 11, so that the movable positioning plate 7 is reset, and the device can complete work.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a quick clamping machine of mould that preforming machine was used constructs, includes punch stem connecting rod (1), its characterized in that: a connecting rod cavity (2) is formed in the bottom of the inner portion of the upper punch connecting rod (1), a positioning connecting rod (3) is fixedly connected to the middle of the front portion of the connecting rod cavity (2), an upper punch positioning groove (4) is movably connected to the back of the outer surface of the positioning connecting rod (3), an upper punch (5) is fixedly connected to the back of the upper punch positioning groove (4), upper punch positioning rods (6) are fixedly connected to two sides of the top of the upper punch (5), a movable positioning plate (7) is movably connected to the top of the upper punch positioning rods (6), a first magnetic block (8) is fixedly connected to the right end of the movable positioning plate (7), a positioning plate supporting column (9) is hinged to the top of the middle of the movable positioning plate (7), a first spring (10) is fixedly connected to the right side of the positioning plate supporting column (9), a second spring (11) is, the right side of the second spring (11) is fixedly connected with a second magnetic block (12), the bottom of the second magnetic block (12) is movably connected with a positioning fastening bolt (13), the outer surface of the left side of the positioning fastening bolt (13) is in threaded connection with a positioning block (14), the outer surface of the bottom of the upper punch (5) is movably connected with a middle die (15), the bottom of the middle die (15) is movably connected with a lower punch (16), the middle of the bottom of the lower punch (16) is provided with a lower punch positioning groove (17), and the bottom of the lower punch positioning groove (17) is movably connected with a lower punch connecting rod (18).
2. The mold quick-clamping mechanism for the tablet press as claimed in claim 1, wherein: the middle of the top of the upper punch rod (5) is provided with an upper punch rod positioning groove (4), and the back of the middle of the top of the upper punch rod (5) is provided with an upper punch rod positioning groove (4).
3. The mold quick-clamping mechanism for the tablet press as claimed in claim 1, wherein: the back of the bottom of the lower punch (16) is provided with two lower punch positioning grooves (17), and the number of the lower punch positioning grooves (17) is two.
4. The mold quick-clamping mechanism for the tablet press as claimed in claim 1, wherein: the middle bottom of the front and the back of the upper punch connecting rod (1) is fixedly connected with two positioning connecting rods (3), and the number of the positioning connecting rods (3) is two.
5. The mold quick-clamping mechanism for the tablet press as claimed in claim 1, wherein: the bottom of the right end of the movable positioning plate (7) is fixedly connected with a positioning block (14), and a bolt hole is formed in the positioning block (14).
6. The mold quick-clamping mechanism for the tablet press as claimed in claim 1, wherein: the internal structure of the lower punch (16) is the same as that of the upper punch (5).
7. The mold quick-clamping mechanism for the tablet press as claimed in claim 1, wherein: the number of the positioning fastening bolts (13) is two, the number of the movable positioning plates (7) is two, and the positioning connecting rods (3) are used as symmetry axes and distributed on two sides of the positioning connecting rods (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021370132.0U CN213137956U (en) | 2020-07-13 | 2020-07-13 | Quick clamping mechanism of mould that preforming machine was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021370132.0U CN213137956U (en) | 2020-07-13 | 2020-07-13 | Quick clamping mechanism of mould that preforming machine was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213137956U true CN213137956U (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021370132.0U Active CN213137956U (en) | 2020-07-13 | 2020-07-13 | Quick clamping mechanism of mould that preforming machine was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213137956U (en) |
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2020
- 2020-07-13 CN CN202021370132.0U patent/CN213137956U/en active Active
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