Recrystallization filtering device for medical intermediates

Abstract

The utility model discloses a recrystallization filtering device for medical intermediates in the technical field of medical intermediate filtering, which comprises a filtering component, the filtering component comprises a filtering frame, a C-shaped connecting block is fixedly arranged on the rear side of the filtering frame, a motor is fixedly arranged on the side surface of the C-shaped connecting block, a propping block is fixedly arranged on the side surface of the motor, and a filter screen is fixedly arranged on the propping block. Long grooves are formed in the front side and the rear side of the filter frame, an abutting block is driven by a motor to rotate, so that the abutting block abuts against a transverse plate of a front side C-shaped plate, the front side C-shaped plate drives a supporting strip, a V-shaped filter plate and a rear side C-shaped plate to extrude downwards, a compression spring is compressed, and when the abutting block rotates to release contact with the front side C-shaped plate, the two C-shaped plates and the V-shaped filter plate are reset through the compression spring; and in this way, when the V-shaped filter plate vibrates downwards, recrystallization on the upper side of the V-shaped filter plate is vibrated off to the inclined plate and moved into the storage frame, then the recrystallization on the V-shaped filter plate can be conveniently and rapidly stored, and the possibility that the filter screen is blocked is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of medicine intermediate filtering, especially to a medicine intermediate recrystallization filtering device. BACKGROUND

[0002] In the synthesis of medicine intermediates, whether it is a natural compound or a solid compound synthesized by organic synthesis, other compounds will usually exist, which are collectively referred to as impurities. In order to analyze impurities, it is necessary to remove impurities in medicine intermediates by filtering and other methods to ensure the purity of the medicine intermediates to a certain extent, ensure the quality of the medicine and the safety and effectiveness of clinical use. Therefore, a medicine intermediate recrystallization filtering device is needed.

[0003] The existing patent (publication number: CN220443224U) discloses a medicine intermediate recrystallization filtering device, which includes a workbench and a circular tank. The top left end of the workbench is fixedly connected with a water tank, the top middle end of the water tank is fixedly connected with a water pump, and the output end of the water pump is communicated with an L-shaped pipe. The circular tank, Z-shaped pipe, valve, medicine storage tank, filter plate, filter cotton, and ceramic ring are used in cooperation to realize the filtering of medicine, avoid the existence of impurities in medicine, and improve the quality of medicine and the utilization rate of equipment. However, this technical solution still has some shortcomings, which are as follows:

[0004] The above device filters the crystallization of medicine intermediates through a filter plate and other structures, but the recrystallization left during filtering tends to accumulate on the upper side of the filter screen, causing blockage on the filter screen, which reduces the filtering efficiency of medicine intermediates. Therefore, we propose a medicine intermediate recrystallization filtering device to solve the above-mentioned problems. SUMMARY

[0005] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification, and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] Therefore, the utility model aims to provide a medicine intermediate recrystallization filtering device, which can solve the problem that the existing filtering plate and other structures are used to filter the crystallization of medicine intermediates, but the recrystallization left during filtering tends to accumulate on the upper side of the filter screen, causing blockage on the filter screen, which reduces the filtering efficiency of medicine intermediates.

[0007] To solve the above technical problems, the utility model provides a kind of recrystallization filter device of pharmaceutical intermediates, using the following technical scheme: including filter assembly, it includes filter frame, the rear side of the filter frame is fixedly provided with C-shaped connecting block, the side of the C-shaped connecting block is fixedly provided with motor, the side of the motor is fixedly provided with abutment block, the front and rear sides of the filter frame are all provided with long slot, the inside of the long slot is slidably provided with filter piece;

[0008] Accommodation component, the number of the support block is four, four The support block is a group respectively fixedly arranged on the front and rear sides of the left and right sides of filter frame, the left and right sides of the filter frame are slidably provided with storage frame.

[0009] By adopting the above technical scheme, the recrystallization on the upper side of the V-shaped filter plate is shaken to the inclined plate and moved into the storage frame, thereby conveniently storing the recrystallization of the V-shaped filter plate, reducing the possibility of filter screen blockage, and ensuring the stability of the V-shaped filter plate when moving downward, reducing the possibility of tilting when the V-shaped filter plate moves up and down, and ensuring the precision of the recrystallization filtration inside the pharmaceutical intermediates.

[0010] Optionally, the filter piece includes a support bar, the support bar is slidably arranged inside the two long slots, the bottom of the support bar is fixedly provided with a compression spring, and the bottom end of the compression spring is fixedly matched with the bottom of the inner wall of the long slot.

[0011] By adopting the above technical scheme, the support bar is driven to move downward by the rotation of the abutment block and the release of the support bar, the support bar drives the V-shaped filter plate to move downward, and the compression spring is compressed, when the abutment block rotates to release the contact with the support bar, the support bar drives the V-shaped filter plate to reset upward by the rebound force of the compression spring, and the V-shaped filter plate vibrates up and down.

[0012] Optionally, the top of the support bar is fixedly provided with a V-shaped filter plate, and the front and rear sides of the V-shaped filter plate are slidably matched with the front and rear sides inside the filter frame.

[0013] By adopting the above technical scheme, the V-shaped filter plate can be made of aluminum alloy, titanium alloy and other materials, and the V-shaped filter plate can conveniently block the recrystallization of the pharmaceutical intermediates.

[0014] Optionally, the front and rear sides of the support bar are fixedly provided with C-shaped plates, the front and rear sides of the filter frame are provided with two grooves matched with the C-shaped plates, and the length of the groove is equal to the length inside the long slot.

[0015] By adopting the above technical scheme, the C-shaped plate and the groove are used to conveniently vertically and stably move the support bar up and down.

[0016] Optionally, the side surface of the resisting block is rounded, and the side surface of the resisting block abuts against the top of the horizontal plate of the C-shaped plate on the front side.

[0017] By adopting the technical scheme, the motor drives the rotating of the resisting block, the resisting block can extrude the C-shaped plate on the front side, and then drives the downward movement of the support strip and the V-shaped filter plate.

[0018] Optionally, two connecting grooves matched with the supporting blocks are formed in the inside of the receiving frame, and the shapes of the connecting grooves and the supporting blocks are both T-shaped.

[0019] By adopting the technical scheme, the upward movement of the receiving frame can make the connecting grooves not contact with the supporting blocks, and then the receiving frame can be taken out, and then the medical recrystallization after filtration can be taken out.

[0020] Optionally, an inclined plate is fixedly arranged at the bottom of the long groove, and the bottom of the inner wall of the receiving frame is on the same parallel line with the inclined plate.

[0021] By adopting the technical scheme, the inclined plate is arranged to facilitate the movement of the filtered medical intermediate recrystallization from the V-shaped filter plate to the inside of the receiving frame.

[0022] Optionally, two connecting strips are fixedly arranged at the top of the receiving frame, and a feeding frame is fixedly arranged at the top of the connecting strips.

[0023] By adopting the technical scheme, the feeding frame can facilitate the pouring of the medical intermediate into the inside of the filtering frame.

[0024] In summary, the utility model has at least one of the following beneficial effects:

[0025] The motor drives the rotating of the resisting block, the resisting block abuts against the horizontal plate of the C-shaped plate on the front side, the C-shaped plate on the front side drives the downward extrusion of the support strip and the V-shaped filter plate and the C-shaped plate on the rear side, and the compression spring is compressed, when the resisting block rotates to be out of contact with the C-shaped plate on the front side, the two C-shaped plates and the V-shaped filter plate are reset through the compression spring, and the V-shaped filter plate is shaken downward, the recrystallization on the upside of the V-shaped filter plate is shaken to the inclined plate and moved to the receiving frame, and then the recrystallization of the V-shaped filter plate is quickly received, and the possibility of the blocking of the filter screen is reduced.

[0026] The motor drives the rotating of the resisting block, the V-shaped filter plate is reciprocatingly moved up and down, the recrystallization in the medical intermediate is filtered, when the V-shaped filter plate drives the downward movement of the support strip, the two vertical plates of the two C-shaped plates move to the downside of the inner wall of the groove, and then the stability of the downward movement of the V-shaped filter plate is ensured, the possibility of the inclination of the up-and-down movement of the V-shaped filter plate is reduced, and the precision of the filtration of the recrystallization in the medical intermediate is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings described in the following are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0028] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application;

[0029] Figure 2 It is a partial three-dimensional structure development drawing of the filter assembly of the present application;

[0030] Figure 3 It is a partial three-dimensional structure cross-sectional view of the filter frame of the present application;

[0031] Figure 4 It is a partial three-dimensional structure development drawing of the filter frame of the present application.

[0032] Brief description of the drawings: 100, filter assembly; 101, filter frame; 102, C-shaped connecting block; 103, motor; 104, abutting block; 105, long groove; 105a, inclined plate; 106, filter piece; 106a, support bar; 106b, compression spring; 106c, V-shaped filter plate; 106d, C-shaped plate; 106e, groove;

[0033] 200, storage assembly; 201, support block; 202, storage frame; 202a, connecting groove; 202b, feeding frame; 202c, connecting strip. DETAILED DESCRIPTION

[0034] The following will be described in detail in combination with the drawings Figures 1-4 The present application will be further described in detail.

[0035] Embodiment one, referring to Figures 1-4 In order to solve the problem that the existing filter plate and other structures are used to filter the crystallization of pharmaceutical intermediates, but the recrystallization left during the filtration is easy to accumulate on the upper side of the filter screen, resulting in easy blockage of the filter screen, and thus reducing the filtering efficiency of the pharmaceutical intermediates, the present application discloses a recrystallization filter device for pharmaceutical intermediates,

[0036] The filter assembly 100 comprises a filter frame 101, a C-shaped connecting block 102 is fixedly arranged at the rear side of the filter frame 101, a motor 103 is fixedly arranged at the side surface of the C-shaped connecting block 102, an abutting block 104 is fixedly arranged at the side surface of the motor 103, long grooves 105 are formed at the front and rear sides of the filter frame 101, and a filter piece 106 is slidably arranged in the long grooves 105.

[0037] The filter 106 comprises a support strip 106a which is slidingly arranged inside the two long grooves 105, the bottom of the support strip 106a is fixedly arranged with a compression spring 106b, the bottom end of the compression spring 106b is fixedly arranged with the bottom of the inner wall of the long groove 105, and the support strip 106a is released by rotating the abutting block 104, and the support strip 106a is pressed downward, so that the V-shaped filter plate 106c driven by the support strip 106a moves downward to compress the compression spring 106b, and when the abutting block 104 is rotated to release the contact with the support strip 106a, the V-shaped filter plate 106c driven by the support strip 106a is reset upward by the elastic force of the compression spring 106b, so that the V-shaped filter plate 106c vibrates up and down.

[0038] The top of the support strip 106a is fixedly arranged with the V-shaped filter plate 106c, and the front and rear sides of the V-shaped filter plate 106c are slidingly matched with the front and rear sides inside the filter frame 101, the V-shaped filter plate 106c can be made of aluminum alloy, titanium alloy and the like, and the V-shaped filter plate 106c is convenient for blocking the recrystallization of the pharmaceutical intermediates.

[0039] The rotation of the abutting block 104 driven by the motor 103 can press the front C-shaped plate 106d, and then drive the support strip 106a and the V-shaped filter plate 106c to move downward, and the inside of the storage frame 202 is provided with two connecting grooves 202a matched with the support blocks 201, and the shapes of the connecting grooves 202a and the support blocks 201 are both T-shaped.

[0040] The specific working principle is: the rotation of the abutting block 104 driven by the rotating shaft of the motor 103 makes the side surface of the abutting block 104 abut against the upper side of the horizontal plate of the front C-shaped plate 106d, so that the front C-shaped plate 106d drives the support strip 106a, the V-shaped filter plate 106c and the rear C-shaped plate 106d to be pressed downward to compress the compression spring 106b, and when the abutting block 104 is rotated to release the contact with the front C-shaped plate 106d, the two C-shaped plates 106d and the V-shaped filter plate 106c are reset by the elastic force of the compression spring 106b, and the V-shaped filter plate is vibrated downward, so that the recrystallization on the upper side of the V-shaped filter plate 106c falls to the upper side of the inclined plate 105a and moves to the inside of the storage frame 202, and then the recrystallization of the V-shaped filter plate 106c is quickly stored, and the possibility of blockage of the filter screen is reduced.

[0041] Embodiment two, refer to Figures 1-4 , based on the same idea as the above embodiment one, the recrystallization filter device for pharmaceutical intermediates further comprises:

[0042] The rear side of the filtering frame 101 is fixedly provided with a C-shaped connecting block 102, the side surface of the C-shaped connecting block 102 is fixedly provided with a motor 103, the side surface of the motor 103 is fixedly provided with a resisting block 104, the front and rear sides of the filtering frame 101 are both provided with a long slot 105, and the inside of the long slot 105 is slidably provided with a filtering piece 106.

[0043] The front and rear sides of the supporting strip 106a are both fixedly provided with a C-shaped plate 106d, the front and rear sides of the filtering frame 101 are both provided with two grooves 106e matched with the C-shaped plates 106d, the length of the groove 106e is equal to the length inside the long slot 105, and the C-shaped plate 106d and the groove 106e facilitate the vertical and stable up-and-down movement of the supporting strip 106a.

[0044] The inside of the containing frame 202 is provided with two connecting grooves 202a matched with the supporting blocks 201, the shapes of the connecting grooves 202a and the supporting blocks 201 are both T-shaped, the connecting grooves 202a are disengaged from the supporting blocks 201 by moving the containing frame 202 upwards, so that the containing frame 202 is conveniently taken out, and the filtered medical recrystallization is conveniently taken out.

[0045] The bottom of the long slot 105 is fixedly provided with an inclined plate 105a, the bottom of the inner wall of the containing frame 202 is on the same parallel line as the inclined plate 105a, and the inclined plate 105a facilitates the movement of the filtered medical intermediate recrystallization from the V-shaped filter plate 106c to the inside of the containing frame 202.

[0046] The specific working principle is that the motor 103 drives the rotating resisting block 104 to move the V-shaped filter plate 106c up and down, filters the recrystallization on the medical intermediate, and when the V-shaped filter plate 106c drives the supporting strip 106a to move downwards, the two vertical plates of the two C-shaped plates 106d move to the lower side of the inner wall of the groove 106e, so as to ensure the stability of the downward movement of the V-shaped filter plate 106c, reduce the possibility of tilting of the V-shaped filter plate 106c during the up-and-down movement, and ensure the precision of the filtration of the recrystallization inside the medical intermediate.

[0047] Embodiment three, referring to Figures 1-4 , based on the same concept as the above-mentioned embodiment one, the recrystallization filtration device for medical intermediates further comprises:

[0048] The containing assembly 200 comprises supporting blocks 201, the number of the supporting blocks 201 is four, two groups of the four supporting blocks 201 are fixedly arranged on the front and rear sides of the left and right sides of the filtering frame 101, and the left and right sides of the filtering frame 101 are both slidably provided with containing frames 202.

[0049] The top of the containing frame 202 is fixedly provided with two connecting strips 202c, and the top of the connecting strip 202c is fixedly provided with a feeding frame 202b, which facilitates pouring of the pharmaceutical intermediates into the inside of the filtering frame 101.

[0050] The specific working principle is that the two connecting strips 202c are driven to move upwards by the feeding frame 202b, and the two containing frames 202 are driven to move upwards, so that the connecting grooves 202a are released from the fixation with the supporting blocks 201, and then the two containing frames 202 and the feeding frame 202b are taken out from the upper side of the filtering frame 101, and then the pharmaceutical intermediates in the containing frame 202 are conveniently and quickly taken out, and the containing frame 202 is cleaned.

[0051] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A recrystallization filtration apparatus for pharmaceutical intermediates, characterized by: Including, The filter assembly (100) comprises a filter frame (101), the rear side of the filter frame (101) is fixedly provided with a C-shaped connecting block (102), the side surface of the C-shaped connecting block (102) is fixedly provided with a motor (103), the side surface of the motor (103) is fixedly provided with a resisting block (104), and the front and rear sides of the filter frame (101) are both provided with a long slot (105), and the filter piece (106) is slidably arranged in the long slot (105); The storage assembly (200) comprises a support block (201), the number of the support block (201) is four, and the four support blocks (201) are fixedly arranged on the front and rear sides of the left and right sides of the filter frame (101) in two groups, and the left and right sides of the filter frame (101) are slidably provided with a storage frame (202).

2. A recrystallization filtration apparatus for pharmaceutical intermediates as claimed in claim 1, wherein: The filter piece (106) comprises a support strip (106a), the support strip (106a) is slidably arranged in the two long slots (105), the bottom of the support strip (106a) is fixedly provided with a compression spring (106b), and the bottom end of the compression spring (106b) is fixedly matched with the bottom of the inner wall of the long slot (105).

3. A recrystallization filtration apparatus for pharmaceutical intermediates as claimed in claim 2, wherein: The top of the support strip (106a) is fixedly provided with a V-shaped filter plate (106c), and the front and rear sides of the V-shaped filter plate (106c) are slidably matched with the front and rear sides in the filter frame (101).

4. A recrystallization filtration apparatus for pharmaceutical intermediates as claimed in claim 2, wherein: The front and rear sides of the support strip (106a) are fixedly provided with a C-shaped plate (106d), and the front and rear sides of the filter frame (101) are provided with two recesses (106e) matched with the C-shaped plate (106d), and the length of the recess (106e) is equal to the length of the long slot (105) inside.

5. A recrystallization filtration apparatus for pharmaceutical intermediates as claimed in claim 4, wherein: The side surface of the resisting block (104) is rounded, and the side surface of the resisting block (104) is in abutment with the top of the horizontal plate of the C-shaped plate (106d).

6. A recrystallization filtration apparatus for pharmaceutical intermediates as claimed in claim 1, wherein: The inside of the storage frame (202) is provided with two connecting grooves (202a) matched with the support block (201), and the shapes of the connecting grooves (202a) inside and the support block (201) are both T-shaped.

7. A recrystallization filtration apparatus for pharmaceutical intermediates as claimed in claim 1, wherein: The bottom of the long slot (105) is fixedly provided with an inclined plate (105a), and the bottom of the inner wall of the storage frame (202) is on the same parallel line as the inclined plate (105a).

8. A recrystallization filtration apparatus for pharmaceutical intermediates as claimed in claim 1, characterized in that: The top of the storage frame (202) is fixedly provided with two connecting strips (202c), and the top of the connecting strip (202c) is fixedly provided with a feeding frame (202b).

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