Raw material filtering mechanism for preparing pyrrolidinyl diaminopyrimidine nitrogen oxide

Abstract

The utility model relates to a pyrrolidinyl diaminopyrimidine nitrogen oxide preparation raw material filtering mechanism, and belongs to the technical field of filtering mechanisms, the pyrrolidinyl diaminopyrimidine nitrogen oxide preparation raw material filtering mechanism comprises a base and a filtering frame, and two filtering screens are fixed in the filtering frame through bolts. According to the raw material filtering mechanism for preparing the pyrrolidinyl diaminopyrimidine nitrogen oxide, vibration structures on the left side and the right side can be started, the vibration structures on the left side and the right side vibrate, and a filtering frame vibrates up and down under the common limiting action of two spring telescopic rods, two limiting frames, four limiting rods and two moving blocks; then a certain amount of pyrrolidinyl diaminopyrimidine nitrogen oxide preparation raw materials can be poured into the filtering frame from the upper side of the filtering frame, the raw materials with large particles stay on the upper surfaces of the two filtering nets during filtering, the blocking situation can be reduced when the filtering nets vibrate, and then the circulation performance of the filtering mechanism can be improved; and the condition of blockage is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering mechanisms, in particular to a filtering mechanism for preparing raw materials of pyrrolidino diaminopyrimidine nitrogen oxides. Background Art

[0002] Pyrrolidinodiacetylpyrimidine N-oxide, also known as cobirol, is a synthetic azapurine small molecule protein kinase inhibitor. Azapurine small molecule protein kinase inhibitors have the effects of lowering blood pressure and treating Parkinson's disease on the human body. It can be used as a multifunctional skeleton in different compound libraries and is widely used in the medical field. A filtering mechanism is required for the preparation of pyrrolidinodiacetylpyrimidine N-oxide raw materials.

[0003] For example, Chinese patent CN219539624U discloses a raw material filtering mechanism that is easy to replace the filter screen, including a raw material filtering mechanism body, an electric slide rail is fixedly connected to the inside of the raw material filtering mechanism body, a slider is fixedly connected to the inside of the electric slide rail, a sealing plate is fixedly connected to the top of the slider, multiple filter screen layers are arranged inside the raw material filtering mechanism body, and a replacement mechanism is arranged inside and outside the slider. The raw material filtering mechanism that is easy to replace the filter screen has a movable arm hinged to the slider, the movable arm is L-shaped, the rubber block is located at the end of the movable arm away from the slider, one end of the spring is fixedly connected to the slider, and the other end of the spring is fixedly connected to the movable arm, so the spring can be stretched by the movable arm in linkage, and when the movable arm is released, the movable arm will be pulled back to the initial state by the spring, so the position of the multiple filter screen layers can be fixed by placing the plate and the anti-slip rubber sheet as well as the movable arm and the rubber block.

[0004] Although the above patent has many advantages, there is no vibration structure inside the filter mechanism in the patent, the multiple filter layers in the filter mechanism are in a static state, the fluidity is general, and blockage is prone to occur. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a filtration mechanism for preparing raw materials of pyrrolidino diamino pyrimidine nitrogen oxide, which has the advantages of improving the fluidity of filtration, and solves the problem that no vibration structure is set inside the filtration mechanism, the multiple filter layers in the filtration mechanism are in a static state, the fluidity is general, and clogging is prone to occur.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pyrrolidino diaminopyrimidine nitrogen oxide preparation raw material filtering mechanism, comprising a base and a filter frame, two filter screens are fixed inside the filter frame by bolts, a guide plate is arranged inside the filter frame, a discharge frame is connected to the right side of the filter frame, a vibration mechanism is arranged on the lower surface of the filter frame, a weighing mechanism is arranged on the right side of the upper surface of the base, and a visual glass plate is arranged on the front of the filter frame;

[0007] The vibration mechanism includes a vibration structure fixed on the left and right sides of the lower surface of the filter frame, spring telescopic rods are fixed on both sides of the lower surface of the vibration mechanism, the lower surface of the spring telescopic rods is fixedly connected to the upper surface of the base, and a limit assembly is provided on the upper surface of the base.

[0008] Furthermore, the limit assembly includes two limit frames fixed on the upper surface of the base, two limit rods are fixed inside the limit frames, and moving blocks are slidably connected to the outer sides of the limit rods on the front and rear sides. The moving blocks are slidably connected to the inside of the limit frames, and the opposite sides of the moving blocks on the left and right sides are fixedly connected to the left and right sides of the filter frame.

[0009] Furthermore, the spring telescopic rod comprises a first sliding rod, the outer side of the first sliding rod is slidably connected to a second sliding rod, and the outer side of the first sliding rod is movably sleeved with a spring.

[0010] Furthermore, the vibration structure includes a mounting frame, and a vibration motor is arranged inside the mounting frame.

[0011] Furthermore, the weighing mechanism includes a fixing groove opened on the right side of the upper surface of the base, a placement plate is fixed inside the fixing groove, an electronic weighing device is placed on the upper surface of the placement plate, and a connecting component is provided on the upper surface of the electronic weighing device.

[0012] Furthermore, the connection assembly includes a rubber anti-skid layer fixed on the upper surface of the electronic weighing device, a collection frame is placed on the upper surface of the rubber anti-skid layer, and handles are fixed on both the left and right sides of the collection frame.

[0013] Furthermore, the visible glass plate is located on the longitudinal center axis of the filter frame.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] 1. The pyrrolidinodiaminopyrimidine nitrogen oxide preparation raw material filtering mechanism can start the vibration structures on the left and right sides, and the vibration structures on the left and right sides vibrate. The filter frame vibrates up and down under the common limiting action of two spring telescopic rods, two limiting frames, four limiting rods and two moving blocks, and then a certain amount of pyrrolidinodiaminopyrimidine nitrogen oxide preparation raw materials can be poured from the upper side of the filter frame into the interior of the filter frame. At this time, the two vibrating filter nets filter the raw materials, and the filtered raw materials fall to the upper surface of the guide plate through the two filter nets. The vibrating guide plate guides the discharge and moves it to the discharge frame for discharge. During filtration, raw materials with larger particles stay on the upper surfaces of the two filter nets. When the filter nets vibrate, the clogging situation can be reduced, thereby improving the fluidity of the filtration mechanism and reducing the clogging situation.

[0016] 2. The pyrrolidinodiaminopyrimidine nitrogen oxide preparation raw material filtering mechanism, the filtered raw materials fall into the inside of the collecting frame through the discharge frame, the filtered raw materials in the collecting frame can be weighed by an electronic weighing device, and the collecting frame can be removed from the upper surface of the electronic weighing device through the handles on the left and right sides, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the vibration mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the left side limit frame of the utility model;

[0020] Figure 4 It is a schematic diagram of the weighing mechanism of the utility model.

[0021] In the figure: 1 base, 2 filter frame, 3 filter screen, 4 guide plate, 5 discharge frame, 6 vibration mechanism, 601 vibration structure, 602 spring telescopic rod, 603 limit frame, 604 limit rod, 605 moving block, 7 weighing mechanism, 701 fixed groove, 702 placement plate, 703 electronic weighing device, 704 rubber anti-slip layer, 705 collection frame, 706 handle, 8 visual glass plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 In this embodiment, a pyrrolidinodiaminopyrimidine nitrogen oxide preparation raw material filtering mechanism includes a base 1 and a filter frame 2. Two filter screens 3 are fixed inside the filter frame 2 by bolts. A guide plate 4 is arranged inside the filter frame 2. A discharge frame 5 is connected to the right side of the filter frame 2. A vibration mechanism 6 is arranged on the lower surface of the filter frame 2. The vibration mechanism 6 can improve the flowability of the filtration. A weighing mechanism 7 is arranged on the right side of the upper surface of the base 1. The weighing mechanism 7 weighs the filtered raw materials. A visible glass plate 8 is arranged on the front of the filter frame 2.

[0024] In this embodiment, the sight glass plate 8 is located on the longitudinal center axis of the filter frame 2 .

[0025] It should be noted that a certain amount of pyrrolidino diamino pyrimidine nitrogen oxide preparation raw material can be poured from the upper side of the filter frame 2 into the interior of the filter frame 2 , and then two vibrating filter screens 3 filter the raw material.

[0026] See also Figure 2-3 In order to improve the fluidity of filtration, in this embodiment, the vibration mechanism 6 includes a vibration structure 601 fixed on the left and right sides of the lower surface of the filter frame 2, and spring telescopic rods 602 are fixed on both sides of the lower surface of the vibration mechanism 6. The lower surface of the spring telescopic rod 602 is fixedly connected to the upper surface of the base 1, and a limit assembly is provided on the upper surface of the base 1.

[0027] In this embodiment, the limiting assembly includes two limiting frames 603 fixed on the upper surface of the base 1, two limiting rods 604 are fixed inside the limiting frames 603, and the outer sides of the front and rear limiting rods 604 are slidably connected with moving blocks 605. The moving blocks 605 are slidably connected inside the limiting frames 603, and the opposite sides of the left and right moving blocks 605 are fixedly connected to the left and right sides of the filter frame 2, and the spring telescopic rod 602 includes a first sliding rod.

[0028] It should be noted that the outer side of the first sliding rod is slidably connected to the second sliding rod, the outer side of the first sliding rod is movably sleeved with a spring, the vibration structure 601 includes a mounting frame, and a vibration motor is arranged inside the mounting frame, so that the vibration structures 601 on the left and right sides can be started, and the vibration structures 601 on the left and right sides vibrate, and the filter frame 2 vibrates up and down under the common limiting action of two spring telescopic rods 602, two limiting frames 603, four limiting rods 604 and two moving blocks 605, thereby driving the filter screen 3 and the guide plate 4 inside the filter frame 2 to vibrate up and down.

[0029] It should be noted that the filtered raw materials fall onto the upper surface of the guide plate 4 through the two filter screens 3, and the vibrating guide plate 4 guides the discharged material and moves it to the discharge frame 5 for discharge. During filtration, the raw materials with larger particles stay on the upper surface of the two filter screens 3, thereby improving the fluidity of the filtration mechanism and reducing the possibility of blockage.

[0030] See also Figure 4 In order to weigh the filtered raw materials, in this embodiment, the weighing mechanism 7 includes a fixed groove 701 opened on the right side of the upper surface of the base 1, a placement plate 702 is fixed inside the fixed groove 701, an electronic weighing device 703 is placed on the upper surface of the placement plate 702, and a connecting component is provided on the upper surface of the electronic weighing device 703.

[0031] In this embodiment, the connecting component includes a rubber anti-slip layer 704 fixed on the upper surface of the electronic scale 703, and a collection frame 705 is placed on the upper surface of the rubber anti-slip layer 704. The filtered raw materials fall into the interior of the collection frame 705 through the discharge frame 5. The filtered raw materials inside the collection frame 705 can be weighed by the electronic scale 703. Handles 706 are fixed on the left and right sides of the collection frame 705.

[0032] It should be noted that the collection frame 705 can be removed from the upper surface of the electronic weighing device 703 by the handles 706 on the left and right sides, thereby improving practicality.

[0033] The working principle of the above embodiment is:

[0034] (1) The vibration structures 601 on the left and right sides can be started and vibrated. The filter frame 2 can vibrate up and down under the common limiting action of two spring telescopic rods 602, two limiting frames 603, four limiting rods 604 and two moving blocks 605, thereby driving the filter screen 3 and the guide plate 4 inside the filter frame 2 to vibrate up and down. Then, a certain amount of pyrrolidino diamino pyrimidine nitrogen oxide preparation raw materials can be poured from the upper side of the filter frame 2 into the inside of the filter frame 2. At this time, the two vibrating filter screens 3 filter the raw materials. After filtration, the raw materials fall onto the upper surface of the guide plate 4 through the two filter screens 3. The vibrating guide plate 4 guides the discharge and moves it to the discharge frame 5 for discharge. During filtration, the raw materials with larger particles stay on the upper surface of the two filter screens 3, thereby improving the fluidity of the filtration mechanism and reducing the possibility of clogging.

[0035] (2) The filtered raw materials fall into the inside of the collecting frame 705 through the discharge frame 5. The filtered raw materials inside the collecting frame 705 can be weighed by the electronic weighing device 703. The collecting frame 705 can be removed from the upper surface of the electronic weighing device 703 through the handles 706 on the left and right sides, thereby improving practicality.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0037] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A filtration mechanism for preparing raw materials of pyrrolidino diaminopyrimidine nitrogen oxide, comprising a base (1) and a filtration frame (2), characterized in that: Two filter screens (3) are fixed inside the filter frame (2) by bolts, a guide plate (4) is arranged inside the filter frame (2), a discharge frame (5) is connected to the right side of the filter frame (2), a vibration mechanism (6) is arranged on the lower surface of the filter frame (2), a weighing mechanism (7) is arranged on the right side of the upper surface of the base (1), and a visible glass plate (8) is arranged on the front of the filter frame (2); The vibration mechanism (6) comprises a vibration structure (601) fixed to the left and right sides of the lower surface of the filter frame (2), spring telescopic rods (602) are fixed to both sides of the lower surface of the vibration mechanism (6), the lower surface of the spring telescopic rod (602) is fixedly connected to the upper surface of the base (1), and the upper surface of the base (1) is provided with a limit assembly.

2. A pyrrolidino diaminopyrimidine nitrogen oxide preparation raw material filtering mechanism according to claim 1, characterized in that: The limiting assembly comprises two limiting frames (603) fixed on the upper surface of the base (1), two limiting rods (604) being fixed inside the limiting frames (603), moving blocks (605) being slidably connected to the outer sides of the limiting rods (604) on the front and rear sides, the moving blocks (605) being slidably connected to the inside of the limiting frames (603), and opposite sides of the moving blocks (605) on the left and right sides being fixedly connected to the left and right sides of the filter frame (2).

3. A filtration mechanism for preparing raw materials of pyrrolidino diamino pyrimidine nitrogen oxide according to claim 1, characterized in that: The spring telescopic rod (602) comprises a first sliding rod, the outer side of the first sliding rod is slidably connected to a second sliding rod, and the outer side of the first sliding rod is movably sleeved with a spring.

4. A filtration mechanism for preparing raw materials of pyrrolidino diamino pyrimidine nitrogen oxide according to claim 1, characterized in that: The vibration structure (601) comprises a mounting frame, and a vibration motor is arranged inside the mounting frame.

5. A filtration mechanism for preparing raw materials of pyrrolidino diamino pyrimidine nitrogen oxide according to claim 1, characterized in that: The weighing mechanism (7) comprises a fixing groove (701) provided on the right side of the upper surface of the base (1); a placement plate (702) is fixed inside the fixing groove (701); an electronic weighing device (703) is placed on the upper surface of the placement plate (702); and a connecting component is provided on the upper surface of the electronic weighing device (703).

6. A pyrrolidino diaminopyrimidine nitrogen oxide preparation raw material filtering mechanism according to claim 5, characterized in that: The connection assembly comprises a rubber anti-skid layer (704) fixed on the upper surface of the electronic weighing device (703), a collection frame (705) is placed on the upper surface of the rubber anti-skid layer (704), and handles (706) are fixed on both the left and right sides of the collection frame (705).

7. A filtration mechanism for preparing raw materials of pyrrolidino diamino pyrimidine nitrogen oxide according to claim 1, characterized in that: The viewing glass plate (8) is located on the longitudinal center axis of the filter frame (2).

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