CN217169916U - Lower core rod positioning mechanism for tablet press - Google Patents

Abstract

The utility model provides a lower core rod positioning mechanism used on a tablet press, which comprises a turret lower disc, a lower punch body is arranged in the lower disc of the turret, a lower punch core rod supporting seat is arranged in the lower punch body, a lower punch core rod is fixed on the lower punch core rod supporting seat, and the lower punch core rod supporting seat also comprises a positioning pin, the lower turret disc is provided with a through hole, the positioning pin is inserted into the lower turret disc through the through hole and penetrates through the lower punch body and the lower punch core rod supporting seat to position the lower punch core rod, clamping grooves are formed in the periphery of the through hole of the lower disc of the turret, internal threads are arranged on the clamping grooves, positioning pin jackscrews are connected with the internal threads of the clamping grooves, the head of locating pin jackscrew is equipped with external screw thread and above-mentioned interior screw-thread fit, the utility model discloses an adopt the through-hole to put into the locating pin and carry out down the location of plunger bar in order to solve the current problem that the plunger bar locating pin fragile and further lead to the screw thread damage in the capstan head positioning pin mounting hole down.

Description

Lower core rod positioning mechanism for tablet press

Technical Field

The utility model belongs to the tablet press field, concretely relates to lower core rod positioning mechanism for on tablet press.

Background

In the prior art, as shown in fig. 3, an external thread is arranged at one end of a lower core rod positioning pin, the lower core rod positioning pin is in threaded connection with a positioning pin mounting hole of a lower disc of a turret, when tablets with large thickness and large pressure are pressed, the tablet discharging resistance is large, the lower core rod positioning pin is easy to loosen after repeated stress and easy to damage the threads in the positioning pin mounting hole, the whole turret needs to be replaced after the threads are damaged, waste is caused, and meanwhile, the lower core rod positioning pin is inconvenient to replace after being stressed and deformed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a lower core rod positioning mechanism for on tablet press solves the problem that core rod locating pin fragile and further lead to the screw thread damage in the capstan head lower wall locating pin mounting hole under the current.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the lower core rod positioning mechanism comprises a turret lower disc, wherein a lower punch body is arranged in the turret lower disc, a lower punch core rod supporting seat is arranged in the lower punch body, a lower punch core rod is fixed on the lower punch core rod supporting seat, the lower punch core rod positioning mechanism further comprises a positioning pin, a through hole is formed in the turret lower disc, the positioning pin is inserted into the turret lower disc through the through hole and penetrates through the lower punch body and the lower punch core rod supporting seat to position the lower punch core rod, a clamping groove is formed in the periphery of the through hole of the turret lower disc and is provided with internal threads, a positioning pin jackscrew is connected with the clamping groove through the internal threads, and the head of the positioning pin jackscrew is provided with external threads matched with the internal threads.

Furthermore, the head of the jackscrew of the positioning pin is provided with an inner hexagonal hole.

Further, the locating pin is in interference fit with the through hole.

Furthermore, the head of the positioning pin jackscrew is provided with an anti-loose fastening leather strip which is fastened in a clamping groove of the lower disc of the turret.

Furthermore, one end of the positioning pin, which is close to the outer side of the lower disc of the turret, is provided with a threaded hole.

Furthermore, clamping grooves are formed in the periphery of the through hole of the lower turret disc, anti-loosening fastening leather strips are arranged at the head of the jackscrew of the positioning pin, and the anti-loosening fastening leather strips are fastened in the clamping grooves of the lower turret disc.

Compared with the prior art, the beneficial effects of the utility model are that: the positioning pin is placed into the through hole to position the lower punching core rod, so that the problem that the existing lower core rod positioning pin is easily damaged by adopting threaded connection and further causes the damage to threads in the installation hole of the lower disc positioning pin of the turret is solved.

Drawings

FIG. 1 is an overall view of the tablet press of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a schematic structural diagram of a conventional lower core rod positioning mechanism;

in the drawings, the components represented by the respective reference numerals are listed below:

1. the device comprises a turret lower disc, a lower punch body, a lower punch core rod supporting seat, a lower punch core rod, a positioning pin jacking screw and a locking fastening leather strip, wherein the turret lower disc is 2, the lower punch body is 3, the lower punch core rod supporting seat is 4, the lower punch core rod is 5, the positioning pin is 6, and the positioning pin jacking screw is 7.

Detailed Description

The present invention will be described in further detail with reference to specific embodiments so that those skilled in the art can more clearly understand the present invention.

As shown in fig. 1-2, a lower core rod positioning mechanism for a tablet press comprises a turret lower disc 1, wherein a lower punch body 2 is arranged in the turret lower disc 1, a lower punch core rod supporting seat 3 is arranged in the lower punch body 2, a lower punch core rod 4 is fixed on the lower punch core rod supporting seat 3, the lower turret lower disc 1 further comprises a positioning pin 5, a through hole is formed in the turret lower disc 1, the positioning pin 5 is inserted into the turret lower disc 1 through the through hole and penetrates through the lower punch body 2 and the lower punch core rod supporting seat 3 to position the lower punch core rod 4, a clamping groove is formed in the periphery of the through hole of the turret lower disc 1 and provided with an internal thread, a positioning pin jackscrew 6 is connected to the clamping groove through the internal thread, and the head of the positioning pin jackscrew 6 is provided with an external thread to be matched with the internal thread.

The lower punch core rod 4 is fixed on the lower punch core rod supporting seat 3 through a connecting nut, then the lower punch core rod supporting seat 3 is placed into the lower punch body 2 and fixed, the lower punch body 2 is lifted, the through hole in the lower punch core rod supporting seat 3 corresponds to the through hole in the turret lower disc 1, and the positioning pin 5 is inserted to position the lower punch core rod supporting seat.

After inserting locating pin 5, through screwing up locating pin jackscrew 6 in through-hole department, make locating pin jackscrew 6 support locating pin 5 to top tight locating pin 5 prevents that it from rocking or deviating from.

The head of the positioning pin jackscrew 6 is provided with an inner hexagonal hole, and the head of the positioning pin jackscrew 6 is provided with the inner hexagonal hole, so that a hexagonal screwdriver can be conveniently used for screwing the positioning pin jackscrew 6.

Further, the positioning pin 5 is in interference fit with the through hole.

The head of the locating pin jackscrew 6 is provided with an anti-loose fastening leather strap 7, and the anti-loose fastening leather strap 7 is fastened in a clamping groove of the turret lower disc 1 to prevent the locating pin jackscrew 6 from loosening, so that the locating pin 5 is prevented from axially moving.

And one end of the positioning pin 5, which is close to the outer side of the lower disc of the turret, is provided with a threaded hole.

When replacing the dismounting pin 5, the dismounting pin 5 can be pulled out by screwing the threaded end of the T-bar into the thread of the pin 5 by a dismounting tool, such as a T-bar with a thread on the top end, and pulling the T-bar.

The mechanisms, assemblies and components of the present invention that are not described with respect to specific structures are conventional structures that exist in the prior art. Can be purchased directly from the market.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a lower core rod positioning mechanism for on tablet press, includes capstan head lower wall (1), be equipped with down body (2) in the capstan head lower wall (1), be equipped with down core bar supporting seat (3) down in body (2), be fixed with down core bar (4) on down core bar supporting seat (3), its characterized in that still includes locating pin (5), the through-hole has been seted up in capstan head lower wall (1), locating pin (5) are gone into in capstan head lower wall (1) through the through-hole, run through body (2) and down core bar supporting seat (3) with location lower core bar (4), the draw-in groove is seted up all around in the through-hole department of capstan head lower wall (1), the draw-in groove is equipped with the internal thread, draw-in groove female connection has locating pin jackscrew (6), the head of locating pin jackscrew (6) is equipped with the external screw and above-mentioned internal thread cooperation.

2. The lower core rod positioning mechanism for the tablet press according to claim 1, wherein the head of the positioning pin jackscrew (6) is provided with a hexagon socket.

3. A lower core rod positioning mechanism for a tablet press according to claim 1, wherein the positioning pin (5) is interference fitted with the through hole.

4. The lower core rod positioning mechanism for the tablet press according to claim 1, wherein the head of the positioning pin jackscrew (6) is provided with an anti-loose fastening leather strap (7), and the anti-loose fastening leather strap (7) is fastened in a clamping groove of the turret lower disc (1).

5. The lower core rod positioning mechanism for a tablet press according to claim 1, wherein one end of the positioning pin (5) close to the outer side of the turret lower disc (1) is provided with a threaded hole.

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