Quantitative weighing device for medical intermediate raw materials

Abstract

The utility model relates to the technical field of medicinal material processing, and discloses a medicine intermediate raw material quantitative weighing device, which comprises a bottom plate, a plurality of supporting rods fixedly arranged on the top surface of the bottom plate, a placing seat fixedly arranged on the top surfaces of the supporting rods, a weighing mechanism arranged inside the placing seat, and a discharging mechanism arranged below the placing seat. The weighing mechanism comprises a driving part and a scraping part, an electromagnetic valve controls the output amount of medical intermediate raw materials in the feeding hopper, a fixed rod drives a scraping plate to conduct scraping along the inner wall of the feeding hopper, and the scraping plate is driven by a driving rod to drive the driving part to rotate; the medical intermediate raw materials adhered to the inner wall of the feeding hopper fall into the lower portion, the medical intermediate raw materials are quantified, the accuracy of the number of the medical intermediate raw materials is improved, the number of the raw materials is quantified by adjusting the number of reset springs and adjusting the pressure needed by movement of a placing plate, and the medical intermediate raw materials are quantified for the second time.

Description

Technical Field

[0001] The utility model relates to the technical field of medicinal material processing, in particular to a quantitative weighing device for pharmaceutical intermediate raw materials. Background Art

[0002] Pharmaceutical intermediates are actually some chemical raw materials or chemical products used in the process of drug synthesis. Such chemical products do not require a drug production license and can be produced in ordinary chemical plants. As long as they reach a certain level, they can be used in the synthesis of drugs.

[0003] The Chinese patent announcement number is CN211978066U, a quantitative weighing device for pharmaceutical intermediate raw materials, a discharging assembly and a weighing assembly, the weighing assembly is installed at the bottom of the discharging assembly and electrically connected thereto, a strong magnetic block is fixedly arranged at the top of the outer clamp symmetrically, a connecting ring is movably sleeved on the outer side of the hopper, an electric valve is installed at the inner opening of the hopper, a driving motor is fixedly installed on the outer wall of the hopper and electrically connected to the electric valve, one end of the connecting spring is connected to the fixed sleeve ring and the other end is fixed to the inner side of the outer clamp, the device is provided with an electric valve and a driving motor, and the electric valve is connected to the driving motor and electrically connected to the quantitative switch;

[0004] However, there are still the following disadvantages: although the device quantitatively weighs the pharmaceutical intermediate raw materials, when the pharmaceutical intermediate raw materials are poured into a container for collection, the pharmaceutical intermediate raw materials may be contaminated on the inner wall of the collection container, affecting the quantitative weighing of the pharmaceutical intermediate raw materials.

[0005] Therefore, a quantitative weighing device for pharmaceutical intermediate raw materials is proposed. Utility Model Content

[0006] The purpose of the utility model is to provide a quantitative weighing device for pharmaceutical intermediate raw materials to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quantitative weighing device for pharmaceutical intermediate raw materials, comprising a bottom plate, a plurality of support rods are fixedly arranged on the top surface of the bottom plate, a placement seat is fixedly arranged on the top surface of the support rods, a weighing mechanism is arranged inside the placement seat, and a discharging mechanism is arranged below the placement seat;

[0008] The top surface of the placement seat is provided with a placement groove opening downwards, a driving groove is provided on the right side of the placement groove, and the right end of the placement groove penetrates the driving groove and extends to the inside of the driving groove;

[0009] The weighing mechanism includes a driving part and a scraping part;

[0010] The driving part is located to the right of the scraping part;

[0011] The discharging mechanism comprises a collecting part and a discharging part;

[0012] The collecting section is located to the right of the discharging section.

[0013] Preferably, the driving part comprises a driving motor, the bottom surface of the driving motor is fixedly connected to the placement seat, the output shaft of the driving motor passes through the placement seat and extends to the inside of the driving groove, and the output shaft of the driving motor is fixedly provided with a driving gear.

[0014] Preferably, a driven gear is provided on the left side of the driving gear, the driven gear is located inside the placement groove, the driving gear is meshed with the driven gear, a feed hopper is sleeved inside the driven gear, the driven gear is connected to the feed hopper through a bearing seat, and a solenoid valve is fixedly provided at the lower end of the feed hopper, which controls the output of the pharmaceutical intermediate raw material in the feed hopper.

[0015] Preferably, the scraping portion comprises a connecting rod, a bottom surface of the connecting rod is fixedly connected to the driven gear, and a fixing ring is fixedly provided on the top surface of the connecting rod.

[0016] Preferably, a fixing rod is fixedly provided on the top surface of the fixing ring, and two fixing rods are provided in front and behind. A connecting block is provided above the fixing rod, and a scraper is provided on the bottom surface near the end of the connecting block. The connecting block is connected to the fixing rod and the scraper by bolts, and the scraper is fitted with the inner wall of the feed hopper. The fixing rod drives the scraper to scrape along the inner wall of the feed hopper, so that the pharmaceutical intermediate raw materials contaminated with the inner wall of the feed hopper fall below.

[0017] Preferably, the collecting part comprises a collecting bin, a top surface of the collecting bin is provided with a material inlet trough, a right side of the collecting bin is provided with a material outlet trough, an inner wall of the collecting bin is provided with a sliding groove, and a material outlet bin is arranged on the right side of the collecting bin.

[0018] Preferably, a placing plate is provided inside the collecting bin, and limiting plates are fixedly provided at the front and rear ends of the placing plate, the limiting plate is located inside the sliding groove and is slidably connected to the inner wall of the sliding groove, a return spring is fixedly provided on the bottom surface of the limiting plate, and the bottom surface of the return spring is fixedly connected to the bottom surface of the inner wall of the collecting bin, and the number of return springs can be adjusted to adjust the pressure required for the movement of the placing plate and thus quantify the amount of raw materials.

[0019] Preferably, the discharge part includes an electric telescopic rod, which passes through the collecting bin and extends to the inside of the collecting bin. A push plate is fixedly provided on the right end of the electric telescopic rod, and the electric telescopic rod drives the push plate to move so that the raw materials enter the discharge bin.

[0020] Compared with the prior art, the utility model has the following beneficial effects: the quantitative weighing device for pharmaceutical intermediate raw materials is

[0021] 1) The amount of pharmaceutical intermediate raw materials discharged from the hopper is controlled by the solenoid valve. The fixed rod drives the scraper to scrape along the inner wall of the hopper, so that the pharmaceutical intermediate raw materials contaminated on the inner wall of the hopper fall to the bottom, and the pharmaceutical intermediate raw materials are quantified to improve the accuracy of the quantity of pharmaceutical intermediate raw materials.

[0022] 2) By adjusting the number of reset springs, the pressure required for the movement of the placement plate can be adjusted to quantify the amount of raw materials. The electric telescopic rod drives the push plate to move the raw materials into the discharge bin, and the pharmaceutical intermediate raw materials are quantified for the second time. The pharmaceutical intermediate raw materials are collected by the push plate, which is easy to operate and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0024] Figure 2 This is a cross-sectional view of the structure of the utility model;

[0025] Figure 3 It is a cross-sectional view of the weighing mechanism of the utility model;

[0026] Figure 4 This is a cross-sectional view of the discharging mechanism of the utility model;

[0027] Figure 5 This is a cross-sectional view of the collection bin of the utility model.

[0028] In the figure: base plate 1, support rod 2, placement seat 3, weighing mechanism 4, drive motor 41, driving gear 42, driven gear 43, feed hopper 44, connecting rod 45, fixing ring 46, connecting block 47, scraper 48, solenoid valve 49, discharging mechanism 5, collecting bin 51, placement plate 52, limit plate 53, reset spring 54, electric telescopic rod 55, push plate 56, discharging bin 6. DETAILED DESCRIPTION

[0029] 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.

[0030] Embodiment 1:

[0031] See also Figure 1-Figure 5The utility model provides a technical solution: a quantitative weighing device for pharmaceutical intermediate raw materials, comprising a bottom plate 1, a plurality of support rods 2 are fixedly arranged on the top surface of the bottom plate 1, a placement seat 3 is fixedly arranged on the top surface of the support rod 2, a weighing mechanism 4 is arranged inside the placement seat 3, and a discharging mechanism 5 is arranged below the placement seat 3;

[0032] The top surface of the placement seat 3 is provided with a placement groove opening downwards, a driving groove is provided on the right side of the placement groove, and the right end of the placement groove penetrates the driving groove and extends to the inside of the driving groove;

[0033] The weighing mechanism 4 includes a driving part and a scraping part;

[0034] The driving part is located to the right of the scraping part;

[0035] The discharging mechanism 5 includes a collecting part and a discharging part;

[0036] The collecting section is located to the right of the discharging section;

[0037] The driving part includes a driving motor 41, the bottom surface of the driving motor 41 is fixedly connected to the placement seat 3, the output shaft of the driving motor 41 passes through the placement seat 3 and extends to the inside of the driving groove, and the output shaft of the driving motor 41 is fixedly provided with a driving gear 42;

[0038] A driven gear 43 is disposed on the left side of the driving gear 42. The driven gear 43 is located inside the placement slot. The driving gear 42 is meshed with the driven gear 43. A hopper 44 is sleeved inside the driven gear 43. The driven gear 43 is connected to the hopper 44 through a bearing seat. A solenoid valve 49 is fixed at the lower end of the hopper 44.

[0039] The scraping part includes a connecting rod 45, the bottom surface of the connecting rod 45 is fixedly connected to the driven gear 43, the top surface of the connecting rod 45 is fixedly provided with a fixing ring 46, the top surface of the fixing ring 46 is fixedly provided with a fixing rod, two fixing rods are provided in front and behind, a connecting block 47 is provided above the fixing rod, a scraper 48 is provided on the bottom surface of the near end of the connecting block 47, the connecting block 47 is connected to the fixing rod and the scraper 48 by bolts, and the scraper 48 is in contact with the inner wall of the hopper 44;

[0040] Furthermore, in this embodiment, the pharmaceutical intermediate raw material is poured into the hopper 44, and a solenoid valve 49 is provided at the lower end of the hopper 44. The solenoid valve 49 controls the amount of the pharmaceutical intermediate raw material in the hopper 44 to be discharged, and the fixed rod drives the scraper 48 to scrape along the inner wall of the hopper 44, so that the pharmaceutical intermediate raw material contaminated with the inner wall of the hopper 44 falls below;

[0041] Furthermore, in this embodiment, the amount of the pharmaceutical intermediate raw material discharged from the hopper 44 is controlled by the solenoid valve 49, and the fixed rod drives the scraper 48 to scrape along the inner wall of the hopper 44, so that the pharmaceutical intermediate raw material contaminated with the inner wall of the hopper 44 falls below, and the pharmaceutical intermediate raw material is quantitatively measured, thereby improving the accuracy of the amount of the pharmaceutical intermediate raw material;

[0042] Embodiment 2

[0043] See also Figure 1-Figure 5 , and on the basis of the first embodiment, it is further obtained that: the collecting part includes a collecting bin 51, a feeding trough is provided on the top surface of the collecting bin 51, a discharging trough is provided on the right side of the collecting bin 51, a sliding groove is provided on the inner wall of the collecting bin 51, and a discharging bin 6 is provided on the right side of the collecting bin 51;

[0044] A placing plate 52 is arranged inside the collecting bin 51, and a limiting plate 53 is fixedly arranged at both ends of the placing plate 52. The limiting plate 53 is located inside the sliding groove and is slidably connected to the inner wall of the sliding groove. A return spring 54 is fixedly arranged on the bottom surface of the limiting plate 53, and the bottom surface of the return spring 54 is fixedly connected to the bottom surface of the inner wall of the collecting bin 51. The discharging part includes an electric telescopic rod 55, which passes through the collecting bin 51 and extends to the inside of the collecting bin 51. A push plate 56 is fixedly arranged on the right end of the electric telescopic rod 55.

[0045] Furthermore, in this embodiment, the pharmaceutical intermediate raw material falls into the collecting bin 51, and the placing plate 52 is pressed to move the placing plate 52 downward. By adjusting the number of the return springs 54, the pressure required for the movement of the placing plate 52 can be adjusted to quantify the amount of raw materials. When the raw materials above the placing plate 52 reach the required amount, the push plate 56 is located above the placing plate 52, and the bottom surface of the push plate 56 contacts the placing plate 52. The electric telescopic rod 55 drives the push plate 56 to move so that the raw materials enter the discharge bin 6.

[0046] Furthermore, this embodiment can adjust the pressure required for the movement of the placement plate 52 by adjusting the number of return springs 54, thereby quantifying the amount of raw materials. The electric telescopic rod 55 drives the push plate 56 to move the raw materials into the discharge bin 6, and the pharmaceutical intermediate raw materials are quantified for the second time. The pharmaceutical intermediate raw materials are collected by the push plate 56, which is easy to operate and improves work efficiency.

[0047] When in use, the pharmaceutical intermediate raw material is poured into the hopper 44. The lower end of the hopper 44 is provided with a solenoid valve 49. The solenoid valve 49 controls the amount of the pharmaceutical intermediate raw material in the hopper 44. The electric drive 41 drives the driven gear 43 to rotate through the driving gear 42. The driven gear 43 drives the connecting rod 45 and the fixed rod to rotate. The fixed rod drives the scraper 48 to scrape along the inner wall of the hopper 44, so that the pharmaceutical intermediate raw material contaminated with the inner wall of the hopper 44 falls to the bottom, the pharmaceutical intermediate raw material is quantified, the accuracy of the amount of the pharmaceutical intermediate raw material is improved, and the pharmaceutical intermediate raw material falls. The raw materials are put into the collecting bin 51, and the placing plate 52 is pressed to move the placing plate 52 downward. By adjusting the number of the return springs 54, the pressure required for the movement of the placing plate 52 can be adjusted to quantify the amount of raw materials. When the raw materials above the placing plate 52 reach the required amount, the push plate 56 is located above the placing plate 52, and the bottom surface of the push plate 56 contacts the placing plate 52. The electric telescopic rod 55 drives the push plate 56 to move so that the raw materials enter the discharge bin 6, and the pharmaceutical intermediate raw materials are quantified for the second time. The pharmaceutical intermediate raw materials are collected by the push plate 56, which is easy to operate and improves work efficiency.

[0048] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quantitative weighing device for pharmaceutical intermediate raw materials, comprising a bottom plate (1), characterized in that: A plurality of support rods (2) are fixedly arranged on the top surface of the bottom plate (1), a placement seat (3) is fixedly arranged on the top surface of the support rod (2), a weighing mechanism (4) is arranged inside the placement seat (3), and a discharging mechanism (5) is arranged below the placement seat (3); The top surface of the placement seat (3) is provided with a placement groove opening downwards, a driving groove is provided on the right side of the placement groove, and the right end of the placement groove penetrates the driving groove and extends to the inside of the driving groove; The weighing mechanism (4) comprises a driving part and a scraping part; The driving part is located to the right of the scraping part; The discharging mechanism (5) comprises a collecting part and a discharging part; The collecting section is located to the right of the discharging section.

2. A quantitative weighing device for pharmaceutical intermediate raw materials according to claim 1, characterized in that: The driving part comprises a driving motor (41), the bottom surface of the driving motor (41) is fixedly connected to the placement seat (3), the output shaft of the driving motor (41) passes through the placement seat (3) and extends to the inside of the driving groove, and the output shaft of the driving motor (41) is fixedly provided with a driving gear (42).

3. A quantitative weighing device for pharmaceutical intermediate raw materials according to claim 2, characterized in that: A driven gear (43) is arranged on the left side of the driving gear (42). The driven gear (43) is located inside the placement groove. The driving gear (42) is meshed with the driven gear (43). A feed hopper (44) is sleeved inside the driven gear (43). The driven gear (43) is connected to the feed hopper (44) through a bearing seat. A solenoid valve (49) is fixedly arranged at the lower end of the feed hopper (44).

4. A quantitative weighing device for pharmaceutical intermediate raw materials according to claim 1, characterized in that: The scraping portion comprises a connecting rod (45), the bottom surface of the connecting rod (45) is fixedly connected to the driven gear (43), and the top surface of the connecting rod (45) is fixedly provided with a fixing ring (46).

5. A quantitative weighing device for pharmaceutical intermediate raw materials according to claim 4, characterized in that: A fixing rod is fixedly arranged on the top surface of the fixing ring (46), and two fixing rods are arranged at the front and rear ends. A connecting block (47) is arranged above the fixing rod, and a scraper (48) is arranged on the bottom surface of the proximal end of the connecting block (47). The connecting block (47) is connected to the fixing rod and the scraper (48) by bolts, and the scraper (48) is in contact with the inner wall of the feed hopper (44).

6. A quantitative weighing device for pharmaceutical intermediate raw materials according to claim 1, characterized in that: The collecting portion comprises a collecting bin (51), a material inlet trough is provided on the top surface of the collecting bin (51), a material outlet trough is provided on the right side of the collecting bin (51), a sliding groove is provided on the inner wall of the collecting bin (51), and a material outlet bin (6) is provided on the right side of the collecting bin (51).

7. A quantitative weighing device for pharmaceutical intermediate raw materials according to claim 6, characterized in that: A placement plate (52) is arranged inside the collection bin (51), and limit plates (53) are fixedly arranged at the front and rear ends of the placement plate (52), the limit plates (53) are located inside the sliding groove and are slidably connected to the inner wall of the sliding groove, and a return spring (54) is fixedly arranged on the bottom surface of the limit plate (53), and the bottom surface of the return spring (54) is fixedly connected to the bottom surface of the inner wall of the collection bin (51).

8. A quantitative weighing device for pharmaceutical intermediate raw materials according to claim 1, characterized in that: The discharging portion comprises an electric telescopic rod (55), the electric telescopic rod (55) penetrates the collecting bin (51) and extends into the interior of the collecting bin (51), and a push plate (56) is fixedly provided at the right end of the electric telescopic rod (55).

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