CN212759603U

CN212759603U - Material feeding device of tablet press

Info

Publication number: CN212759603U
Application number: CN202021176393.9U
Authority: CN
Inventors: 张永兰
Original assignee: Tonghua Yongji Pharmaceutical Co ltd
Current assignee: Tonghua Yongji Pharmaceutical Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-03-23
Anticipated expiration: 2030-06-23

Abstract

The utility model provides a material feeding device of tablet press, including feeding case and sieve workbin, the sieve workbin sets up in feeding case top, sieve workbin top is provided with feedstock channel, the feedstock channel bottom is provided with the screen cloth, the screen cloth sets up on the drive case, the drive case sets up on the support, the both sides of support are provided with elevating gear, be provided with drive case drive arrangement on the support, feeding bottom of the case portion is provided with the feeder hopper, the bottom of feeder hopper is provided with the striker plate, striker plate lower surface middle part and first drive rod top end fixed connection, the feeder hopper bottom of the below of striker plate is provided with the stock guide, the utility model discloses can guarantee that the tablet press feeding is smooth, go out the piece high quality.

Description

Material feeding device of tablet press

Technical Field

The utility model relates to a medicine production facility technical field, in particular to material feeding device of tablet press.

Background

The tablet press is widely applied to the fields of electronics, metallurgy, ceramics, pharmacy, food, chemical industry and the like, various materials are required to be pressed into blocks in a circular shape, a rectangular shape or other shapes, the feeding and filling functions are met through a feeding system in the pressing process, a hopper is mainly used as a conventional feeding system, a discharge control valve is arranged at the bottom end of the hopper, and the tablet press is easy to agglomerate after powder for tabletting is affected with damp and block the discharge control valve, so that the materials in the hopper cannot continuously and stably flow into a material groove of the tablet press, the tablet press is easy to have uneven filling, and the quality stability of the pressed products is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a defect that exists to prior art the utility model provides a material feeding device of tablet press, including feeding case and sieve workbin, the sieve workbin sets up in feeding case top, sieve workbin top is provided with feedstock channel, the feedstock channel bottom is provided with the screen cloth, the screen cloth sets up on the drive case, the drive case sets up on the support, the both sides of support are provided with elevating gear, be provided with drive case drive arrangement on the support, the feeding bottom of the case portion is provided with the feeder hopper, the bottom of feeder hopper is provided with the striker plate, striker plate lower surface middle part and first drive rod top end fixed connection, the feeder hopper bottom of the below of striker plate is provided with the stock guide.

Preferably, the material baffle covers the feed inlet at the bottom end of the feed hopper, and one end of the material baffle is fixedly connected with the side wall of the feed inlet, while the other end is connected with a material groove of the tablet press.

Preferably, the material guide plate is arranged obliquely, the bottom end of the first driving rod penetrates through the material guide plate and is arranged at the output end of the first driving hydraulic cylinder, a through hole is formed in the material guide plate where the first driving rod penetrates, and the driving rod can freely move up and down in the material guide plate.

Preferably, the lifting device comprises a second driving rod, the bottom end of the second driving rod is fixed at two ends of the support, the top end of the second driving rod is arranged at the output end of the second driving hydraulic cylinder, and the base of the second driving hydraulic cylinder is fixed at the tops of the screening boxes at two sides of the feeding channel.

Preferably, the outer side walls of the brackets on the two sides are symmetrically provided with two grooves, the bottoms of the grooves are connected with clamping blocks through springs, and the clamping blocks are provided with pulleys.

Preferably, two parallel slide bars are erected on the support, a sliding groove corresponding to the bottom of the drive box is formed in the bottom of the drive box, and a drive box driving device is arranged on the right side of the drive box.

Preferably, the driving box driving device comprises a third driving rod, one end of the third driving rod is fixedly connected with the side wall of the driving box, the other end of the third driving rod is arranged at the output end of a third driving hydraulic cylinder, and the third driving hydraulic cylinder is fixed on the support.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a control second drive pneumatic cylinder and first drive pneumatic cylinder's power and frequency for the preforming powder is fast through the screen cloth, and the powder caking that falls into the drive case is held back on the screen cloth, and feed arrangement is difficult for blockking up, and the feeding is more smooth, and in the screen cloth motion process, divide the material and can further smash when touchhing the drive case, breaks up the caking, first actuating lever makes the striker plate move about feed inlet department under the drive of first drive pneumatic cylinder, opens or seals the feed inlet, according to the unit quantity of tablet press, controls the frequency of motion of striker plate, replaces traditional feed valve, simple structure, and easy operation is with low costs, and the feeding volume is accurate.

Drawings

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

FIG. 2 is a top view of the drive housing and support;

fig. 3 is a partially enlarged view of a portion a of fig. 1.

In the shown drawing, the feeding box 1, the screening box 2, the feeding channel 3, the screen 4, the driving box 5, the bracket 6, the second driving rod 7, the second driving hydraulic cylinder 8, the groove 9, the spring 10, the clamping block 11, the pulley 12, the sliding rod 13, the third driving rod 14, the third driving hydraulic cylinder 15, the feeding hopper 16, the baffle plate 17, the first driving rod 18, the feeding port 19, the guide plate 20, the material groove 21 of the tablet press, and the first driving hydraulic cylinder 22.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

As shown in fig. 1-3, a material feeding device for a tablet press comprises a feeding box 1 and a sieving box 2, the sieving box 2 is disposed above the feeding box 1, a feeding channel 3 is disposed on the top of the sieving box 2, a screen 4 is disposed at the bottom of the feeding channel 3, the diameter of the feeding channel 3 is matched with the area of the screen 4, the leftmost end of the screen 4 is not more than the leftmost side of the feeding channel 3 during the moving process, and the rightmost end of the screen 4 is not more than the rightmost side of the feeding channel 3, so that the tabletting powder can fall onto the screen 4 through over-driving from the feeding channel 3, the screen 4 is disposed on a driving box 5, the driving box 5 is disposed on a support 6, lifting devices are disposed on two sides of the support 6, each lifting device comprises a second driving rod 7, the bottom ends of the second driving rods 7 are fixed at two ends of the support 6, the top ends of the second driving rods 7 are disposed at the output, the base of second drive hydraulic cylinder 8 is fixed at the 2 tops of sieve workbin of 3 both sides of feedstock channel, and 6 lateral walls of both sides support are symmetrical to be equipped with two recesses 9, and recess 9 bottom is connected with fixture block 11 through spring 10, be equipped with pulley 12 on the fixture block 11, second actuating lever 7 drives drive case 5 on support 6 and the support 6 and reciprocates under the drive of second drive hydraulic cylinder 8, drive case 5 removes the in-process, the 6 both sides of many supports of spring 10 play buffering cushioning effect, be provided with drive case 5 drive arrangement on the support 6, support 6 is put on the shelf and is equipped with two parallel slide bars 13, drive case 5 bottom is provided with the spout that corresponds with it, the right side of drive case 5 is provided with drive case 5 drive arrangement. The driving device of the driving box 5 comprises a third driving rod 14, one end of the third driving rod 14 is fixedly connected with the side wall of the driving box 5, the other end of the third driving rod 14 is arranged at the output end of a third driving hydraulic cylinder 15, the third driving hydraulic cylinder 15 is fixed on the bracket 6, the third driving rod 14 drives the driving box 5 to reciprocate on the bracket 6 under the driving of the third driving hydraulic cylinder 15, the second driving hydraulic cylinder 8 and the first driving hydraulic cylinder 22 are started simultaneously, so that the driving box 5 moves in the horizontal direction and the vertical direction simultaneously, the power and the frequency of the second driving hydraulic cylinder 8 and the first driving hydraulic cylinder 22 are controlled, the tabletting powder rapidly passes through the screen 4, powder agglomerates falling into the driving box 5 are intercepted on the screen 4, the feeding device is not easy to block, the feeding is smoother, and in the moving process of the screen 4, the material can be further crushed when being collided with the driving box 5, lumps are broken up, a feeding hopper 16 is arranged at the bottom of the feeding box 1, a material baffle plate 17 is arranged at the bottom of the feeding hopper 16, the middle part of the lower surface of the material baffle plate 17 is fixedly connected with the top end of a first driving rod 18, the material baffle plate 17 covers a feeding hole 19 at the bottom end of the feeding hopper 16, a material guide plate 20 is arranged at the bottom of the feeding hopper 16 below the material baffle plate 17, the bottom end of the first driving rod 18 penetrates through the material guide plate 20 and is arranged at the output end of a first driving hydraulic cylinder 22, a through hole is formed in the material guide plate 20 where the first driving rod 18 penetrates, the driving rod can freely move up and down in the material guide plate 20, the first driving rod 18 enables the material baffle plate 17 to move up and down at the feeding hole 19 under the driving of the first driving hydraulic cylinder 22, the movement frequency of the material baffle 17 is controlled to replace a traditional feeding valve, the structure is simple, the operation is easy, the cost is low, the feeding amount is accurate, the material guide plate 20 is obliquely arranged, one end of the material guide plate 20 is fixedly connected with the side wall of the feeding hole 19, the other end of the material guide plate is connected with the material groove 21 of the tablet press, and the material guide plate 20 smoothly conveys the tablet pressing powder to the material groove 21 of the tablet press.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims

1. The utility model provides a material feeding device of tablet press, its characterized in that, includes feeding case and sieve workbin, the sieve workbin sets up in feeding case top, sieve workbin top is provided with feedstock channel, the feedstock channel bottom is provided with the screen cloth, the screen cloth sets up on the drive case, the drive case sets up on the support, the both sides of support are provided with elevating gear, be provided with drive case drive arrangement on the support, feeding bottom of the case portion is provided with the feeder hopper, the bottom of feeder hopper is provided with the striker plate, striker plate lower surface middle part and first drive rod top end fixed connection, the feeder hopper bottom of the below of striker plate is provided with the stock guide.

2. The material supply device of the tablet press according to claim 1, wherein the baffle covers the feeding opening at the bottom end of the feeding hopper, one end of the baffle is fixedly connected with the side wall of the feeding opening, and the other end of the baffle is connected with the material groove of the tablet press.

3. The material supply device of a tablet press according to claim 2, wherein the material guide plate is disposed obliquely, the bottom end of the first driving rod is disposed through the material guide plate at the output end of the first driving hydraulic cylinder, the material guide plate through which the first driving rod passes is provided with a through hole, and the driving rod can freely move up and down in the material guide plate.

4. The material supply device of a tablet press according to claim 1, characterized in that the lifting device comprises a second driving rod, the bottom end of which is fixed at both ends of the bracket, the top end of which is arranged at the output end of a second driving hydraulic cylinder, the base of which is fixed at the top of the sieve box at both sides of the feed channel.

5. The material supply device for the tablet press according to claim 4, wherein the two side frames are symmetrically provided with two grooves on the outer side wall, and the bottom of the groove is connected with a block through a spring, and the block is provided with a pulley.

6. The material supply device for a tablet press according to claim 1, characterized in that two parallel slide bars are mounted on the frame, the bottom of the drive box is provided with a corresponding slide groove, and the right side of the drive box is provided with a drive box driving device.

7. The material supply device of a tablet press according to claim 6, characterized in that the drive housing drive means comprises a third drive rod, one end of which is fixedly connected to a side wall of the drive housing, the other end of which is arranged at the output end of a third drive hydraulic cylinder, which is fixed to the frame.