JP6841997B1 - Polishing equipment for pharmaceutical intermediates - Google Patents

Abstract

PROBLEM TO BE SOLVED: To disclose a polishing apparatus for a pharmaceutical intermediate. SOLUTION: The main body is included, a crushing space is installed in the main body, a crushing device is installed in the crushing space, and the crushing device includes a crushing wheel that can rotate symmetrically in the front-rear direction and is waiting for polishing. The medicine is placed in the crushing space, the medicine is polished by the rotation of the crushing wheel, a rotating space is installed under the crushing space, and a rotating block is rotatably attached in the rotating space. , The proportional control device is installed in the rotary block, the proportional control device includes four separable polishing blocks, and the polishing blocks form one perfect arcuate surface, which is below the proportional control device. Four coupling devices are arranged in a ring shape. [Selection diagram] Fig. 1

Description

The present invention relates to the field of pharmaceutical technology, and specifically is a polishing device for pharmaceutical intermediates.

The conventional polishing device for biopharmaceuticals realizes polishing by the rotation of a polishing wheel that can be rotated by being installed in a relative position, and the polishing wheel installed in a relative position has a narrow range of polishing and the length of the polishing wheel. Because the amount of polishing at one time is small, the polishing time is limited to the diameter of the polishing wheel, and the shorter the diameter of the polishing wheel, the shorter the contact time between the medicine and the polishing wheel. Therefore, polishing becomes insufficient and polishing efficiency is not good. This application discloses a device capable of solving the above problems.

Chinese Patent Application Publication No. 107008533

Technical problem:
Conventional pharmaceutical polishing equipment has insufficient polishing and low polishing efficiency.

In order to solve the above problems, a polishing device for pharmaceutical intermediates was designed in this application. A polishing device for a pharmaceutical intermediate, including a main body, a crushing space is installed in the main body, a crushing device is installed in the crushing space, and the crushing device can rotate symmetrically in the front-rear direction. A medicine awaiting polishing is placed in the crushing space, the medicine is polished by the rotation of the crushing wheel, a rotating space is installed under the crushing space, and a rotating block is provided in the rotating space. Is rotatably mounted, a proportional control device is installed within the rotating block, the proportional control device includes four separable polishing blocks, the polishing blocks forming one perfect arc surface, said. Under the proportional control device, four connecting devices are arranged in an annular shape, the connecting device includes 16 sliding connecting sliders , and the polishing space communicates with the rotating space outside the rotating space. In the polishing space, an annular polishing cylinder is rotatably installed, teeth are formed on the outer surface of the polishing cylinder, and the distance between the polishing cylinder and the polishing block is determined by the proportional control device. It can be adjusted according to the required polishing accuracy, and when the distance between the polishing block and the polishing cylinder is shortened, the adjacent polishing blocks are separated to create a gap, and thus the connecting device is activated to operate the connecting slider. By filling the gap between the adjacent polishing blocks, the medicine can be continuously polished in the polishing space, a filter is fixedly installed on the lower end surface of the polishing cylinder, and the medicine after polishing is completed. Filtered by the filter, a drive is installed on the left side of the polishing space, which powers the operation of the crusher, the rotation of the polishing cylinder and the rotating block, and the lower side of the polishing space. Is provided with an inverted conical distribution space, and a drug delivery port communicating with the distribution space is installed on the lower end surface of the main body.

Preferably, four support columns are fixedly attached to the four corners of the lower end surface of the main body, and the four support columns perform a supporting action for stabilizing the main body.

Preferably, a spiral groove is formed on the upper end surface of the rotating block, the inner diameter of the spiral groove is gradually shortened from the inside to the outside, and the depth of the spiral groove is less than half the thickness of the pharmaceutical product. When the crushing wheel and the rotating block are reversed, the medicine can be crushed, and with the rotation of the rotating block, the medicine is interlocked and sent outward along the spiral groove into the polishing space, and thus the said. The inner diameter of the spiral groove is reduced, and the drug can be efficiently crushed.

The crushing device includes a crushing block, the crushing block is rotatably mounted in the crushing space by a crushing rotary shaft, and a lower end of the crushing rotary shaft and an upper end surface of the rotary block are rotatably connected. A penetrating space penetrating vertically is installed in the crushing block, the front and rear crushing wheels are rotatably mounted in the penetrating space, and the crushing space and the external space are communicated above the crushing space. A symmetrical drug inlet is installed, the drug inlet and the penetrating space communicate with each other, and the drug is put into the crushing space through the drug inlet, and the crushing block and the crushing wheel are used. Crush the medicine by rotation.

The proportional control device includes a proportional control space, a proportional control motor is fixedly installed in the upper end wall of the proportional control space, and a power shaft is movably attached to the lower end of the proportional control motor. A proportional control rotation block is fixedly installed on the power shaft, four concave grooves are arranged in an annular shape in the proportional control rotation block, and a proportional control slide rod is provided with the concave groove in the concave groove. The proportional control slide rod is installed so as to abut, and the proportional control slide rod is further installed so as to be slidable in the concave groove, and one end of the proportional control slide rod separated from the power shaft extends into the polishing space and corresponds to it. A return spring is attached to the upper end surface of the proportional control slide rod, and when the proportional control rotation block rotates, the proportional control slide rod is pushed to move outward, and the proportional control slide rod is moved outward. The polishing block interlocks to reduce the distance from the polishing cylinder to the outside, thus making the polishing finer.

The connecting device includes four expansion and contraction spaces arranged in an annular shape, one end of the connection slider close to the center of the arrangement is slidably mounted in the expansion and contraction space, and a slide guide block is attached to the upper end surface of the connection slider. Is fixedly installed, and 16 slide guide grooves are formed in the upper end wall of the expansion and contraction space so as to communicate with the expansion and contraction space, so that the slide guide block and the slide guide groove can slide. A push rod is slidably installed in the pull groove in the connection slider, and one end of the push rod away from the center of the arrangement and the pull groove are connected by a pressure spring to form the expansion and contraction space. A push space is installed on the lower side so as to communicate with the expansion and contraction space, the lower end of the push rod extends into the push space, and a transmission space is installed at the center of the arrangement of the four push spaces. The transmission space and the push space are communicated with each other by a slide groove, a push plate is slidably installed in the slide groove, and a master screw is attached in the push plate by a screw thread. One end of the screw close to the center of the arrangement extends into the transmission space, and a driven umbrella gear is fixedly installed at one end of the master screw close to the center of the arrangement, and the four driven umbrella gears are separated from each other. The driving umbrella gear is jointly meshed with the upper ends of the four driven umbrella gears, the driving umbrella gear and the lower end of the power shaft are fixedly connected, and the proportional control motor is operated to operate the proportional control motor. The main screw is driven to rotate, and the base screw is driven to rotate, the push plate moves to push and move the push rod, and the connecting slider is further moved to the outside to perform the polishing. The gap between the blocks is filled and the other connecting sliders cannot move due to the interference of the polishing block, thus compressing the pressure spring.

Preferably, the width of the connecting slider gradually increases from the inside to the outside to form an arc, the direction of the slide guide groove corresponds to the center line of the connecting slider, and the connecting slider is along its own center line. Can be moved to the polishing cylinder, thus filling the gap between adjacent polishing blocks.

Preferably, four telescopic grooves are arranged in an annular shape in the rotating block, and a telescopic shaft is slidably mounted in the telescopic groove, and the telescopic shaft and the polishing block corresponding to the telescopic shaft are provided. The central portion is fixedly connected, and thus the expansion / contraction direction of the polishing block can be fixed.

The drive device includes a drive groove, and a rotary gear is rotatably mounted in the drive groove by a connecting shaft, and the rotary gear and the outer surface of the polishing cylinder are engaged with each other, and the upper end of the connecting shaft and the said The crushing rotary shaft is movably connected by a timing belt, a drive space is installed below the drive groove so as to communicate with the drive groove, and the lower end of the connecting shaft extends into the drive space. A first bevel gear is fixedly installed at the lower end of the connecting shaft, a second bevel gear is meshed on the left side of the first bevel gear, and a drive is provided at the center of the second bevel gear. The shaft is fixedly installed, the left end of the drive shaft is movably connected to a drive motor attached to the left end wall of the drive space, a turning space is installed under the rotating block, and the drive shaft is installed. The right end of the gear extends into the turning space, the third bevel gear is fixedly installed at the right end of the drive shaft, and the fourth bevel gear is meshed with the upper side of the third bevel gear. A rotating shaft is fixedly installed at the center of the fourth bevel gear, and the rotating shaft and the rotating block are fixedly connected to each other.
By operating the drive motor to drive and rotate the rotating block and the crushing rotary shaft, the crushing block, the crushing wheel, the polishing cylinder, and the rotating block rotate synchronously.

The effect of the present invention is: In the present invention, the medicine is crushed by the cooperation of the rotation of the crushing wheel and the spiral groove and then sent to the polishing space, and the four separable polishing blocks expand and contract to adjust the distance to the polishing cylinder. Yes, that is, the size of the pharmaceutical particles after polishing can be adjusted, and the gap between the polishing blocks is filled by the connecting slider of the connecting device, ensuring the continuity and completeness of polishing, increasing the efficiency of polishing, and increasing the efficiency of polishing. The invention of the present application has an adjustable polishing accuracy, a wide range of application, and a simple configuration and operation.

In order to explain the present invention in detail with reference to FIGS. 1 to 6 below and to explain the present invention in a convenient manner, the following directions are defined as follows: FIG. 1 is a front view of the apparatus of the present invention and is described in the present application. Each direction is the direction when the device is viewed in the same direction as in FIG.

FIG. 1 is a schematic diagram of the overall configuration of the present invention. FIG. 2 is a schematic configuration diagram in the “AA” direction of FIG. FIG. 3 is an enlarged configuration schematic view of “B” in FIG. FIG. 4 is a schematic configuration diagram in the “CC” direction of FIG. FIG. 5 is a schematic configuration diagram in the “DD” direction of FIG. FIG. 6 is a schematic configuration diagram in the “EE” direction of FIG.

The present invention is a polishing device for pharmaceutical intermediates, and is mainly used for crushing pharmaceuticals. Hereinafter, further description will be given with reference to the accompanying drawings of the present invention.

The pharmaceutical intermediate polishing device according to the present invention includes a main body 10, a crushing space 12 is installed in the main body 10, and a crushing device 601 is installed in the crushing space 12, and the crushing device is installed. 601 includes a crushing wheel 16 that can rotate symmetrically in the front-rear direction, a medicine waiting to be polished is placed in the crushing space 12, the chemical is polished by the rotation of the crushing wheel 16, and a rotating space is below the crushing space 12. 30 is installed, a rotating block 31 is rotatably mounted in the rotating space 30, a proportional control device 602 is installed in the rotating block 31, and the proportional control device 602 has four separable polishings. A perfect arc surface is formed by the polishing block 40 including the block 40, four connecting devices 603 are arranged in an annular shape under the proportional control device 602, and the connecting device 603 is slidable. A polishing space 28 is installed outside the rotating space 30 so as to communicate with the rotating space 30, and an annular polishing cylinder 27 can be rotated in the polishing space 28. The polishing cylinder 27 is installed, and teeth are formed on the outer surface of the polishing cylinder 27, and the distance between the polishing cylinder 27 and the polishing block 40 can be adjusted by the proportional control device 602 with a required polishing accuracy. When the distance from the polishing cylinder 27 is shortened, the adjacent polishing blocks 40 are separated to create a gap, and thus the connecting device 603 is activated to move the connecting slider 45 into the gap between the adjacent polishing blocks 40. By filling, the medicine can be continuously polished in the polishing space 28, a filter 29 is fixedly installed on the lower end surface of the polishing cylinder 27, and the medicine after polishing is filtered by the filter 29. A drive device 604 is installed on the left side of the polishing space 28, and the drive device 604 provides power for the operation of the crushing device 601 and the rotation of the polishing cylinder 27 and the rotating block 31, and under the polishing space 28. A distribution space 63 having an inverted conical shape is installed on the side, and a drug delivery port 80 communicating with the distribution space 63 is installed on the lower end surface of the main body 10.

As a benefit, four support columns 11 are fixedly attached to the four corners of the lower end surface of the main body 10, and the four support columns 11 serve a support action for stabilizing the main body 10.

Beneficially, a spiral groove 32 is formed on the upper end surface of the rotating block 31, the inner diameter of the spiral groove 32 is gradually shortened from the inside to the outside, and the depth of the spiral groove 32 is half the thickness of the pharmaceutical product. When the crushing wheel 16 and the rotating block 31 are reversed, the medicine can be crushed, and the medicine is interlocked with the rotation of the rotating block 31 to the outside along the spiral groove 32. It is sent into the polishing space 28, and thus the inner diameter of the spiral groove 32 is reduced, so that the pharmaceutical product can be efficiently crushed.

The crushing device 601 includes a crushing block 13, and the crushing block 13 is rotatably mounted in the crushing space 12 by a crushing rotating shaft 14, and a lower end surface of the crushing rotating shaft 14 and an upper end surface of the rotating block 31. Are rotatably connected, a penetrating space 15 penetrating vertically is installed in the crushing block 13, and the front and rear crushing wheels 16 are rotatably mounted in the penetrating space 15, and the crushing space 12 On the upper side, a symmetrical drug inlet 17 that communicates the crushing space 12 and the external space is installed, and the drug inlet 17 and the penetrating space 15 communicate with each other through the drug inlet 17. The medicine is put into the crushing space 12, and the medicine is crushed by the rotation of the crushing block 13 and the crushing wheel 16.

The proportional control device 602 includes a proportional control space 33, a proportional control motor 34 is fixedly installed in the upper end wall of the proportional control space 33, and a power shaft 35 is transmitted to the lower end of the proportional control motor 34. Proportional control rotation block 36 is fixedly installed on the power shaft 35, and four recessed grooves 37 are arranged in an annular shape in the proportional control rotation block 36, and the inside of the recessed groove 37. The proportional control slide rod 38 is installed so as to come into contact with the concave groove 37, and the proportional control slide rod 38 is further installed so as to be slidable in the concave groove 37. One end away from the shaft 35 extends into the polishing space 28 and is fixedly attached to the corresponding polishing block 40, and a return spring 39 is attached to the upper end surface of the proportional control slide rod 38 to form the proportionality. When the control rotation block 36 rotates, the proportional control slide rod 38 is pushed to move outward, and the polishing block 40 interlocks to reduce the distance from the polishing cylinder 27 to the outside, thus making the polishing finer.

The connecting device 603 includes four expansion and contraction spaces 43 arranged in an annular shape, one end of the connection slider 45 close to the center of the arrangement is slidably mounted in the expansion and contraction space 43, and an upper end surface of the connection slider 45 is provided. A slide guide block 44 is fixedly installed in the room, and 16 slide guide grooves 61 are formed in the upper end wall of the expansion and contraction space 43 so as to communicate with the expansion and contraction space 43. And the slide guide groove 61 are slidably connected, and a push rod 51 is slidably installed in the pull groove 49 in the connection slider 45, and one end of the push rod 51 away from the center of the arrangement. And the pull groove 49 are connected by a pressure spring 50, a push space 48 is installed under the expansion and contraction space 43 so as to communicate with the expansion and contraction space 43, and the lower end of the push rod 51 is the push space 48. A transmission space 56 is installed at the center of the arrangement of the four push spaces 48, and the transmission space 56 and the push space 48 are communicated with each other by the slide groove 53, and the inside of the slide groove 53. The push plate 52 is slidably installed, a base screw 54 is attached to the push plate 52 by a screw thread, and one end of the base screw 54 close to the center of the arrangement extends into the transmission space 56. A driven cap gear 55 is fixedly installed at one end of the master screw 54 near the center of the arrangement, the four driven cap gears 55 are separated from each other, and the four driven cap gears 55 are located at the upper ends of the four driven cap gears 55. The driving umbrella gears are jointly meshed with each other, the driving umbrella gear 64 and the lower end of the power shaft 35 are fixedly connected, and the proportional control motor 34 operates to drive and rotate the driving umbrella gear 64. Then, the base screw 54 is driven and rotated, the push plate 52 moves to push and move the push rod 51, and further moves the connecting slider 45 to the outside to move between the polishing blocks 40. The gap is filled and the other connecting slider 45 cannot move due to the interference of the polishing block 40, thus compressing the pressure spring 50.

To be beneficial, the width of the connecting slider 45 gradually increases from the inside to the outside to form an arc, the direction of the slide guide groove 61 corresponds to the center line of the connecting slider 45, and the connecting slider 45 They can move to the polishing cylinder 27 along their own center line, thus filling the gap between the adjacent polishing blocks 40.

For convenience, four telescopic grooves 42 are arranged in an annular shape in the rotating block 31, and a telescopic shaft 41 is slidably mounted in the telescopic groove 42, and the telescopic shaft 41 and the telescopic shaft are slidably mounted. The central portion of the polishing block 40 corresponding to 41 is fixedly connected, and thus the expansion / contraction direction of the polishing block 40 can be fixed.

The drive device 604 includes a drive groove 21, and a rotary gear 22 is rotatably attached to the drive groove 21 by a connecting shaft 20, and the rotary gear 22 and the outer surface of the polishing cylinder 27 are engaged with each other. The upper end of the connecting shaft 20 and the crushing rotary shaft 14 are communicably connected by a timing belt 19, and a drive space 26 is installed below the drive groove 21 so as to communicate with the drive groove 21. The lower end of the connecting shaft 20 extends into the drive space 26, the first bevel gear 23 is fixedly installed at the lower end of the connecting shaft 20, and the second is on the left side of the first bevel gear 23. The bevel gear 25 is meshed with each other, a drive shaft 62 is fixedly installed at the center of the second bead gear 25, and the left end of the drive shaft 62 is attached to the left end wall of the drive space 26. A turning space 57 is installed under the rotating block 31, the right end of the drive shaft 62 extends into the turning space 57, and the right end of the drive shaft 62 The third bevel gear 60 is fixedly installed, the fourth bevel gear 58 is meshed on the upper side of the third bead gear 60, and the rotating shaft 59 is fixedly mounted on the central portion of the fourth bead gear 58. The crushing block is installed, the rotary shaft 59 and the rotary block 31 are fixedly connected, and the drive motor 24 operates to drive and rotate the rotary block 31 and the crushing rotary shaft 14. 13, the crushing wheel 16, the polishing cylinder 27, and the rotating block 31 rotate in synchronization with each other.

The method of using the present invention will be described in detail with reference to FIGS. 1 to 6.

In the initial stage, the four polishing blocks 40 are in close contact with each other, and the gap between the polishing block 40 and the polishing cylinder 27 is the largest. Therefore, the particles after polishing are also the largest, and the connecting slider 45 is placed in the polishing block 40. Positioned and wrapped, the pressure spring 50 is free.

At the time of use, the distance between the polishing block 40 and the polishing cylinder 27 is adjusted according to the required polishing accuracy, the proportional control motor 34 is operated, the power shaft 35 is driven and rotated, and the proportional control block 36 is rotated and proportional. The control slide rod 38 is pushed and moved to move away from the power shaft 35, and the polishing block 40 is moved outward to reduce the distance between the polishing block 27 and the polishing cylinder 27. At this time, there is a gap between the polishing blocks 40. As a result, the driving umbrella gear 64 is rotated at the same time as the power shaft 35 is rotated, and thus the driven umbrella gear 55 rotates the master screw 54 to move the push plate 52 away from the driving umbrella gear 64, and the push plate 52. Pushes the push rod 51 to move it outward, and the connecting slider 45 located in the gap between the adjacent polishing blocks 40 moves outward to come into contact with the outer arc surface of the polishing block 40, and the connection located inside the polishing block 40. The slider 45 cannot move due to the interference of the polishing block 40, and thus the pressure spring 50 is compressed, where the clearance adjustment is completed.
At the time of polishing, the drive motor 24 operates to drive and rotate the drive shaft 62, the rotary gear 22 rotates to drive and rotate the polishing cylinder 27, and the timing belt 19 causes the crushing rotary shaft 14 to rotate at the same time. Then, the crushing block 13 rotates the crushing wheel 16, the drive shaft 62 rotates, and at the same time, the third umbrella gear 60 rotates, the fourth umbrella gear 58 rotates the rotating block 31, and the connecting slider 45 and the polishing block 40 rotate. It rotates synchronously, and at this time, the rotation direction of the polishing block 40 is opposite to the rotation direction of the polishing cylinder 27, and the medicine waiting to be polished is put into the crushing space 12 through the medicine inlet 17, and the crushing wheel 16 Rotate to crush the drug, the crushed drug enters the polishing space 28 along the spiral groove 32, then the polishing cylinder 27 and the polishing block 40 are reversed to polish the drug, and the polished drug is filtered by the filter 29. After being filtered, it enters the distribution space 63 and is discharged and collected by the drug delivery port 80.

According to the above method, those skilled in the art can make various modifications according to the working situation within the scope of the present invention.

Claims (4)

A polishing device for pharmaceutical intermediates, including the main body
A crushing space is installed in the main body, a crushing device is installed in the crushing space, and the crushing device includes a crushing wheel that can rotate symmetrically in the front-rear direction, and a medicine waiting for polishing is placed in the crushing space. The chemicals are polished by the rotation of the crushing wheel, a rotating space is installed under the crushing space, a rotating block is rotatably attached in the rotating space, and the rotating block is inside the rotating block. A proportional control device is installed, the proportional control device includes four separable polishing blocks, the polishing blocks form one perfect arcuate surface, and four coupling devices are annular under the proportional control device. The connecting device includes 16 sliding connecting sliders , and the polishing space is installed outside the rotating space so as to communicate with the rotating space, and is annular in the polishing space. The polishing cylinder is rotatably installed, teeth are formed on the outer surface of the polishing cylinder, and the distance between the polishing cylinder and the polishing block can be adjusted by the proportional control device according to the required polishing accuracy. When the distance between the polishing cylinder and the polishing cylinder is shortened, the adjacent polishing blocks are separated to create a gap, and thus the connecting device is activated to fill the connecting slider in the gap between the adjacent polishing blocks. The medicine can be continuously polished in the polishing space,
A filter is fixedly installed on the lower end surface of the polishing cylinder, the medicine after polishing is filtered by the filter, a driving device is installed on the left side of the polishing space, and the driving device operates the crushing device. A distribution space having an inverted conical shape is installed under the polishing space to provide power for the rotation of the polishing cylinder and the rotating block, and a medicine delivery space communicating with the distribution space is provided on the lower end surface of the main body. The mouth is installed,
Four support columns are fixedly attached to the four corners of the lower end surface of the main body.
A spiral groove is formed on the upper end surface of the rotating block, the inner diameter of the spiral groove is gradually shortened from the inside to the outside, and the depth of the spiral groove is smaller than half the thickness of the pharmaceutical product.
The crusher includes a crushing block
The crushing block is rotatably attached in the crushing space by a crushing rotation shaft, and the lower end of the crushing rotation shaft and the upper end surface of the rotation block are rotatably connected to each other, and the crushing block is moved up and down in the crushing block. A penetrating space is installed, the front and rear crushing wheels are rotatably mounted in the penetrating space, and above the crushing space, there is a symmetrical drug inlet that communicates the crushing space and the external space. It is installed, and the medicine inlet and the penetration space communicate with each other.
The proportional control device includes a proportional control space.
A proportional control motor is fixedly installed in the upper end wall of the proportional control space, a power shaft is movably attached to the lower end of the proportional control motor, and a proportional control rotation block is fixed to the power shaft. In the proportional control rotation block, four concave grooves are arranged in an annular shape, and in the concave groove, a proportional control slide rod is installed so as to abut the concave groove, and the proportional control slide rod is installed. Is further installed so that it can slide in the recessed groove, and one end of the proportional control slide rod away from the power shaft extends into the polishing space and is fixedly attached to the corresponding polishing block. A return spring is attached to the upper end surface of the proportional control slide rod.
The coupling device includes four expansion and contraction spaces arranged in a ring.
One end of the connecting slider close to the center of the arrangement is slidably mounted in the expansion and contraction space, and a slide guide block is fixedly installed on the upper end surface of the connection slider in the upper end wall of the expansion and contraction space. 16 slide guide grooves are formed so as to communicate with the expansion and contraction space, the slide guide block and the slide guide groove are slidably connected, and the connecting slider is contained in a pull groove. The push rod is slidably installed, and one end of the push rod away from the center of the arrangement and the pull groove are connected by a pressure spring.
A push space is installed below the telescopic space so as to communicate with the telescopic space, the lower end of the push rod extends into the push space, and a transmission space is located at the center of arrangement of the four push spaces. Is installed, the transmission space and the push space are communicated by a slide groove, a push plate is slidably installed in the slide groove, and a master screw is attached in the push plate by a screw thread. , One end of the master screw close to the center of the arrangement extends into the transmission space, and one end of the master screw close to the center of the arrangement is fixedly installed with a driven bevel gear, and four driven bead gears. Are separated from each other, and the main gears are jointly meshed with the upper ends of the four driven gears, and the main gears and the lower ends of the power shaft are fixedly connected to each other.
The proportional control motor operates to drive and rotate the main bevel gear, and the base screw is driven to rotate, the push plate moves to push and move the push rod, and further, the connection. A pharmaceutical intermediate of a pharmaceutical intermediate characterized in that the slider is moved outward to fill the gap between the polishing blocks so that the other connecting sliders cannot move due to interference of the polishing block and thus the pressure spring is compressed. Polishing equipment . The pharmaceutical intermediate according to claim 1 , wherein the width of the connecting slider gradually increases from the inside to the outside to form an arc shape, and the direction of the slide guide groove corresponds to the center line of the connecting slider. Polishing equipment. Four telescopic grooves are arranged in an annular shape in the rotating block, and a telescopic shaft is slidably mounted in the telescopic groove, and the telescopic shaft and the central portion of the polishing block corresponding to the telescopic shaft are formed. The pharmaceutical intermediate polishing apparatus according to claim 1 , wherein the above-mentioned is fixedly connected. The drive device includes a drive groove and includes a drive groove.
A rotary gear is rotatably mounted in the drive groove by a connecting shaft, the rotary gear and the outer surface of the polishing cylinder are engaged, and the upper end of the connecting shaft and the crushing rotary shaft are transmitted by a timing belt. It is possibly connected, and a drive space is installed below the drive groove so as to communicate with the drive groove, the lower end of the connecting shaft extends into the drive space, and the lower end of the connecting shaft extends to the lower end of the connecting shaft. The first bevel gear is fixedly installed, the second bead gear is meshed on the left side of the first bead gear, and the drive shaft is fixedly installed at the center of the second bead gear. The left end of the drive shaft is movably connected to a drive motor attached to the left end wall of the drive space, a turning space is installed under the rotating block, and the right end of the drive shaft is in the turning space. The third umbrella gear is fixedly installed at the right end of the drive shaft, and the fourth umbrella gear is meshed on the upper side of the third umbrella gear, and is located at the center of the fourth umbrella gear. The pharmaceutical intermediate polishing apparatus according to claim 1, wherein the rotating shaft is fixedly installed, and the rotating shaft and the rotating block are fixedly connected to each other.

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