Filtering device for preparing cyclopropanamic acid

By designing a filter device with a motor-driven worm gear system and elastic elements, effective secondary filtration of cyclopropionic acid raw materials was achieved, solving the problem of easy clogging of the filter device and improving filtration efficiency and effect.

CN223874595UActive Publication Date: 2026-02-06DANJIANGKOU HENGCHENG PHARMACEUTICAL CO LTD
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Patent Information

Application Number
CN202520305543.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-02-06
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

Existing filtration devices for the preparation of cyclopropionic acid are not easy to shake, which makes the filtration devices prone to clogging and unable to effectively filter cyclopropionic acid raw materials.

Method used

A filtration device comprising a primary filtration mechanism and a secondary filtration mechanism was designed. The motor drives the worm gear and worm wheel system to drive the rotating rod and cam, thereby oscillating the mounting plate. Combined with the rebound force of the elastic element, the filter screen vibrates and filters, thus preventing clogging.

Benefits of technology

It improves filtration efficiency, avoids clogging during use, and enhances filtration effect and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a filtering device for preparing cyclopropanamic acid, which comprises a filtering box, a feeding hopper is fixedly inserted at the top end of the filtering box, a discharging valve is fixedly inserted at the bottom end of the filtering box, a primary filtering mechanism and a secondary filtering mechanism are arranged in the filtering box, and each of the primary filtering mechanism and the secondary filtering mechanism comprises a mounting plate. A mounting opening is formed in the mounting plate, a filter screen is fixedly connected into the mounting opening, grooves are formed in the two sides of the mounting plate, guide plates are slidably connected into the grooves, a traction plate is fixedly connected to one side of each guide plate, an open groove corresponding to the traction plate is formed in the inner side wall of the filter box, and a supporting rod is fixedly connected into the open groove. Due to the arrangement of the multiple filter assemblies, the filter efficiency is improved, the phenomenon that the filter mechanism is blocked in the filter process can be avoided through the vibration mechanism, and the use efficiency and the use effect of the filter mechanism are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of chemical preparation related products, concretely relates to a filter device for cyclopropane amide acid preparation. BACKGROUND

[0002] Cyclopropane amide acid is an organic synthesis and pharmaceutical chemical intermediate, and can be used for laboratory research and development and raw material preparation of the pharmaceutical industry.

[0003] The inventor found in the process of realizing the utility model:

[0004] Cyclopropane amide acid often needs to use the filter device to filter the raw material of cyclopropane amide acid in the preparation process, to avoid mixing some impurities in the processing process of cyclopropane amide acid, but the existing filter device for cyclopropane amide acid preparation has the shortcoming of not being convenient to shake, so that the filter device cannot effectively filter the cyclopropane amide acid raw material, and the filter device is prone to blockage in the filtering process of the cyclopropane amide acid raw material, which is inconvenient to use. SUMMARY

[0005] In order to solve the problems in the prior art, the utility model provides a filter device for cyclopropane amide acid preparation.

[0006] Therefore, the technical scheme of the utility model is as follows: a filter device for cyclopropane amide acid preparation, comprising a filter box, a feed hopper is fixedly inserted at the top end of the filter box, a discharge valve is fixedly inserted at the bottom end of the filter box, a primary filter mechanism and a secondary filter mechanism are arranged in the filter box, the primary filter mechanism and the secondary filter mechanism both comprise a mounting plate, the mounting plate is provided with a mounting port, a filter screen is fixedly connected in the mounting port, recesses are arranged on both sides of the mounting plate, guide plates are slidably connected in the recesses, the guide plates are fixedly connected with traction plates on one side, a slot corresponding to the traction plate is arranged on the inner side wall of the filter box, support rods are fixedly connected in the slot, the traction plate is slidably sleeved on the support rod, elastic members are sleeved on the support rods, the two ends of the elastic members are fixedly connected with the traction plate and the inner wall of the slot respectively,

[0007] A device box is fixedly connected to one side of the support box, a motor is fixedly connected to the top of the device box, a worm is fixedly connected to the output shaft of the motor, the bottom end of the worm is rotatably connected with the inner bottom of the device box, two symmetrical worm wheels are arranged on one side of the worm, a rotating rod is fixedly inserted in the worm wheel, one end of the rotating rod penetrates through the filter box and is fixedly connected with a cam.

[0008] As a preferred, the front surface of the filter box is provided with an access hole corresponding to the positions of the primary filter mechanism and the secondary filter mechanism, and a box door is hinged in the access hole.

[0009] As a preferred, the bottom of the filter box is fixedly connected with four support feet arranged in a rectangular shape.

[0010] As preferred, the two end sides of the guide plate are fixedly connected with screw rods, nuts are threadedly sleeved on the screw rods, and the two sides of the nuts are fixedly connected with limiting blocks.

[0011] As preferred, the filter box is provided with a through hole, a bearing is fixedly connected in the through hole, and the rotating rod is fixedly inserted in the bearing.

[0012] As preferred, the diameter of the filter screen on the first filter mechanism is greater than that of the filter screen on the second filter mechanism.

[0013] Beneficial effects: compared with the prior art, the utility model discloses a control starting motor promotes the rotation of the worm in the equipment box, at this time, the worm will drive the rotation of the two worm gears to realize the rotation of the rotating rod, the rotating rod will promote the rotation of the cam, the cam protruding end presses the installation plate to promote the traction plate to move up on the support rod and extrude the elastic element, when the cam protruding end is separated from the installation plate, the elastic element is used to promote the traction plate to return to the initial position by the resilience, and the vibration of the installation plate is realized in this way, the material enters the filter box through the feeding hopper, realizes secondary filtration through the filter screen on the first filter mechanism and the second filter mechanism, and is discharged by the discharge valve, the utility model discloses the setting of multiple filtering components improves the filtering efficiency, and the vibration mechanism can avoid the phenomenon that the filtering mechanism is blocked in the filtering process, and improves the use efficiency and use effect of the filtering mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural diagram of the utility model.

[0015] Figure 2 It is the internal structure diagram of the filter box of the utility model.

[0016] As shown in the figure: 1, filter box, 2, feeding hopper, 3, discharge valve, 4, installation plate, 5, filter screen, 6, guide plate, 7, traction plate, 8, support rod, 9, elastic element, 10, equipment box, 11, motor, 12, worm, 13, worm gear, 14, rotating rod, 15, cam, 16, box door, 17, support foot, 18, nut, 19, limiting block, 20, bearing, 21, screw rod. DETAILED DESCRIPTION

[0017] The technical scheme of the utility model will be described clearly and completely in combination with the drawings, but the embodiment should not be understood as limiting the utility model.

[0018] The utility model discloses a filter device as shown in Figure 1 And Figure 2 As shown:

[0019] The utility model provides a kind of cyclopropane carboxamide acid preparation filtering device, including filter box 1, the top end of filter box 1 is fixed and is inserted with feed hopper 2, the bottom end of filter box 1 is fixed and is inserted with discharge valve 3, filter box 1 is equipped with primary filter mechanism and secondary filter mechanism, specifically, material is entered into filter box 1 by feed hopper 2, realizes secondary filtration by the filter screen 5 on primary filter mechanism and secondary filter mechanism, then is discharged by discharge valve 3;Primary filter mechanism and secondary filter mechanism all include mounting plate 4, mounting plate 4 is equipped with installation port, installation port is fixedly connected with filter screen 5, the both sides of mounting plate 4 are equipped with recess, recess is slidably connected with guide plate 6, the side of guide plate 6 is fixedly connected with traction plate 7, the inner side wall of filter box 1 is equipped with slot corresponding with traction plate 7, slot is fixedly connected with support rod 8, traction plate 7 is slidably sleeved on support rod 8, support rod 8 is sleeved with elastic element 9, the both ends of elastic element 9 are fixedly connected with traction plate 7 and slot inner wall respectively,

[0020] Support box is fixedly connected with equipment box 10 on one side, the top of equipment box 10 is fixedly connected with motor 11, the output shaft of motor 11 is fixedly connected with worm 12, and the bottom end of worm 12 is rotatably connected with the inner bottom of equipment box 10. The side of worm 12 is provided with two symmetrical worm gears 13, the worm gear 13 is fixedly inserted with a rotating rod 14, one end of the rotating rod 14 penetrates through the filter box 1 and is fixedly connected with a cam 15. Specifically, starting the motor 11 to make the worm 12 rotate in the equipment box 10, at this time, the worm 12 will drive the two worm gears 13 to rotate to realize the rotation of the rotating rod 14, the rotating rod 14 will make the cam 15 rotate, and the cam 15 is pressed against the mounting plate 4 to make the traction plate 7 move up on the support rod 8 and press the elastic element 9. When the protruding end of the cam 15 is separated from the mounting plate 4, the elastic element 9 is used to make the traction plate 7 return to the initial position by the elastic force, so as to realize the oscillation of the mounting plate 4 by reciprocating.

[0021] In the embodiment, the front surface of the filter box 1 is provided with an access hole corresponding to the positions of the primary filter mechanism and the secondary filter mechanism, and a box door 16 is hinged in the access hole, so as to facilitate the internal maintenance; the bottom of the filter box 1 is fixedly connected with four support feet 17 arranged in a rectangular shape to support the filter box 1; the both end side walls of the guide plate 6 are fixedly connected with screw rods 21, the screw rods 21 are threadedly sleeved with nuts 18, the both sides of the nut 18 are fixedly connected with limiting blocks 19, and the rotating nut 18 is transversely blocked by the limiting blocks 19 to avoid the mounting plate 4 from being loosened from the guide plate 6; the filter box is provided with a through hole, the through hole is fixedly connected with a bearing 20, and the rotating rod 14 is fixedly inserted in the bearing 20 to support the rotating rod 14; the diameter of the filter screen 5 on the primary filter mechanism is greater than the diameter of the filter screen 5 on the secondary filter mechanism.

[0022] The working principle of the utility model:

[0023] Firstly, the starting motor 11 is controlled to drive the worm 12 to rotate in the device box 10, at this time, the worm 12 drives the two worm gears 13 to rotate to realize the rotation of the rotating rod 14, the rotating rod 14 drives the cam 15 to rotate, the cam 15 presses the mounting plate 4 at the protruding end to drive the traction plate 7 to move up on the supporting rod 8 to press the elastic element 9, when the cam 15 is separated from the mounting plate 4, the elastic element 9 is used to rebound to drive the traction plate 7 to return to the initial position, so as to realize the reciprocating vibration of the mounting plate 4, the material enters into the filter box 1 through the feeding hopper 2, realizes secondary filtration through the filter screen 5 on the primary filter mechanism and the secondary filter mechanism, and is discharged through the discharge valve 3.

[0024] The details not described in the specification are the known technology in the art.

[0025] The above only describes the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A filtering device for the preparation of cyclopropylamino acids, comprising a filtering tank (1), characterized by the fact that: The top end of the filter box (1) is fixedly provided with a feeding hopper (2), the bottom end of the filter box (1) is fixedly provided with a discharging valve (3), the filter box (1) is provided with a primary filter mechanism and a secondary filter mechanism, the primary filter mechanism and the secondary filter mechanism both include a mounting plate (4), the mounting plate (4) is provided with a mounting opening, the mounting opening is fixedly connected with a filter screen (5), both sides of the mounting plate (4) are provided with a groove, the groove is slidably connected with a guide plate (6), one side of the guide plate (6) is fixedly connected with a traction plate (7), the inner side wall of the filter box (1) is provided with a slot corresponding to the traction plate (7), the slot is fixedly connected with a support rod (8), the traction plate (7) is slidably sleeved on the support rod (8), the support rod (8) is sleeved with an elastic element (9), both ends of the elastic element (9) are fixedly connected with the traction plate (7) and the inner wall of the slot, The equipment box (10) is fixedly connected with a motor (11), the output shaft of the motor (11) is fixedly connected with a worm (12), the bottom end of the worm (12) is rotatably connected with the inner bottom of the equipment box (10), one side of the worm (12) is provided with two symmetrical worm gears (13), the worm gears (13) are fixedly provided with a rotating rod (14), one end of the rotating rod (14) penetrates through the filter box (1) and is fixedly connected with a cam (15).

2. The filtering device for preparing cyclopyrimidine acid according to claim 1, characterized by: The front surface of the filter box (1) is provided with an access hole corresponding to the positions of the primary filter mechanism and the secondary filter mechanism, and the access hole is hingedly connected with a box door (16).

3. The filtering device for preparing cyclopyrannuline according to claim 1 or 2, characterized in that: The bottom of the filter box (1) is fixedly connected with four support feet (17) arranged in a rectangular shape.

4. The filtering device for preparing cyclopyrimidine acid according to claim 3, characterized by: Both end side walls of the guide plate (6) are fixedly connected with screw rods (21), the screw rods (21) are threadedly sleeved with nuts (18), both sides of the nuts (18) are fixedly connected with limiting blocks (19).

5. The filtration device for preparing cyclopyrimidine acid according to claim 1 or 2 or 4, characterized by: The filter box is provided with a through hole, the through hole is fixedly connected with a bearing (20), and the rotating rod (14) is fixedly provided in the bearing (20).

6. The filtering device for preparing cyclopyrannuline according to claim 5, characterized in that: The diameter of the filter screen (5) on the primary filter mechanism is greater than the diameter of the filter screen (5) on the secondary filter mechanism.