A kind of pulverizer for enteric-coated sustained-release capsule production

Abstract

The utility model discloses a kind of comminuting devices for enteric-soluble sustained-release capsule production, it is related to pharmaceutical processing technical field, its technical key points include pedestal, the end face of the pedestal is equipped with pulverization box and motor box, the inside of the pulverization box is equipped with hammer disc and filter screen frame, the surface of the hammer disc is equipped with adjusting mechanism, the adjusting mechanism includes the groove being opened in the surface of hammer disc, the inner wall of the groove is equipped with cover plate, the surface of the cover plate is screw-threaded connected with screw rod, the both sides of the hammer disc are fixedly connected with multiple fixed frames, the inner wall of multiple fixed frames is slidably connected with slide plate. The utility model is twisted screw rod, drive pressing plate rotation, to realize the effect of the length of multiple hammer plates being adjusted synchronously by the cooperation of limiting hole and limiting rod, reach the effect of adjusting the distance between hammer plate and filter screen frame, under the action of screw rod, the length of hammer plate can be adjusted to any position.

Description

Technical Field

[0001] This utility model belongs to the field of pharmaceutical processing technology, specifically relating to a pulverizing device for the production of enteric-coated sustained-release capsules. Background Technology

[0002] Enteric-coated sustained-release capsules are an advanced drug dosage form that uses enteric coating technology to ensure that the drug safely passes through the stomach, dissolves and is released after reaching the intestines, and achieves a long-lasting and stable effect through sustained-release technology.

[0003] In the production of enteric-coated sustained-release capsules, hammer mills are key equipment for raw material pretreatment. Their working principle relies on the violent impact of high-speed rotating hammers on the material to achieve the purpose of pulverizing it. However, during processing, some material fails to meet the particle size requirements after the initial impact and remains between the hammers and the screen, requiring multiple impacts to pass through the sieve. If the accumulation or movement trajectory of this layer of material prevents the hammers from effectively reaching it, it indicates that the effective working length of the hammers is insufficient, and adjustment is necessary. The traditional solution is to directly disassemble the entire set of hammers and replace them with new hammers of different specifications, a process that is cumbersome, time-consuming, and labor-intensive. Utility Model Content

[0004] The purpose of this invention is to provide a pulverizing device for the production of enteric-coated sustained-release capsules, so as to solve the problem that the existing hammer mill is not convenient for adjusting the hammer length.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A pulverizing device for producing enteric-coated sustained-release capsules includes a base. A pulverizing chamber and a motor housing are mounted on the end face of the base. The pulverizing chamber contains a hammer disc and a filter frame. The surface of the hammer disc is provided with an adjustment mechanism, which includes a groove formed on the surface of the hammer disc. A cover plate is provided on the inner wall of the groove. A screw is threadedly connected to the surface of the cover plate. Multiple fixing frames are fixedly connected to both sides of the hammer disc. Slide plates are slidably connected to the inner walls of the multiple fixing frames. The multiple slide plates are grouped in pairs. Hammer plates are fixedly connected to the surface of the slide plates in the same group. A pressure plate is fixedly connected to one end of the screw. Five limiting holes are formed on the surface of the pressure plate. Five long plates are slidably inserted into the arc surface of the hammer disc. Limiting rods that cooperate with the limiting holes are fixedly connected to the surface of the long plates. The five long plates are respectively fixedly connected to the five hammer plates.

[0006] Preferably, the surface of the crushing box is connected to a hopper, the surface of the base is connected to a discharge pipe, and a connecting shaft is fixedly connected to the side of the hammer disc away from the screw. The end of the connecting shaft away from the hammer disc rotatably passes through the crushing box and is connected to the motor box.

[0007] Preferably, the five limiting rods pass through the pressure plate through five limiting holes, a fixing ring is fixedly connected to the inner wall of the groove, and the cover plate is fixedly installed on the surface of the fixing ring.

[0008] Preferably, five sliding pillars are slidably inserted into the bottom wall of the groove, and a support plate is fixedly connected to the top of each of the five sliding pillars. A first spring is sleeved on the arc surface of each sliding pillar, and the two ends of the first spring are fixedly connected to the support plate and the bottom wall of the groove, respectively.

[0009] Preferably, a baffle is fixedly connected to the surface of the support plate, and the surfaces of both the support plate and the baffle are in contact with the pressure plate.

[0010] Preferably, the end face of the support plate is provided with a circular groove, the inner wall of the circular groove is fixedly connected with a second spring, the top end of the second spring is fixedly connected with a protrusion, and the side of the pressure plate near the support plate is provided with a plurality of slots that are adapted to the protrusion.

[0011] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model, by turning the screw, drives the pressure plate to rotate, thereby achieving the effect of synchronously adjusting the length of multiple hammer plates through the cooperation of the limiting hole and the limiting rod, thus adjusting the distance between the hammer plates and the filter screen frame. Under the action of the screw, the length of the hammer plates can be adjusted to any position, which is more conducive to crushing the material that is not completely crushed between the hammer plates and the filter screen frame, so as to crush the material more thoroughly.

[0012] 2. This utility model provides support for the pressure plate by setting a support plate on the bottom surface of the pressure plate. Furthermore, a second spring and a protrusion are set on the support plate, which allows the protrusion to engage in the slot when the screw stops rotating, thereby further improving the stability of the pressure plate. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the internal planar structure of the pulverizing box of this utility model; Figure 3 This is a partial structural diagram of the hammer disc and hammer plate of this utility model; Figure 4 This utility model Figure 3 A schematic diagram of the split structure; Figure 5 This is a cross-sectional structural diagram of the support plate of this utility model; Figure 6 This is a structural schematic diagram of the pressure plate of this utility model.

[0014] In the diagram: 1. Base; 101. Crushing box; 102. Hopper; 103. Discharge pipe; 104. Motor box; 105. Hammer disc; 106. Connecting shaft; 107. Filter screen frame; 2. Adjustment mechanism; 201. Groove; 202. Cover plate; 203. Fixing frame; 204. Slide plate; 205. Hammer plate; 206. Screw; 207. Pressure plate; 208. Limiting hole; 209. Long plate; 210. Limiting rod; 211. Sliding column; 212. Support plate; 213. First spring; 214. Baffle; 215. Circular groove; 216. Second spring; 217. Protruding column; 218. Slot; 219. Fixing ring. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Reference Figures 1-6 As shown, this utility model provides a pulverizing device for the production of enteric-coated sustained-release capsules, including a base 1. A pulverizing box 101 and a motor box 104 are installed on the end face of the base 1. The pulverizing box 101 is provided with a hammer disc 105 and a filter frame 107. A hopper 102 is connected to the surface of the pulverizing box 101. A discharge pipe 103 is connected to the surface of the base 1. A connecting shaft 106 is fixedly connected to the side of the hammer disc 105 away from the screw 206. The end of the connecting shaft 106 away from the hammer disc 105 rotatably passes through the pulverizing box 101 and is connected to the motor box 104.

[0017] In this embodiment, the above is the prior art. The motor housing 104 is equipped with a motor, the output end of which is fixedly connected to the connecting shaft 106. The filter frame 107 is annular. This is a technology well known to those skilled in the art, and will not be described in detail here.

[0018] The surface of the hammer disc 105 is provided with an adjustment mechanism 2. The adjustment mechanism 2 includes a groove 201 formed on the surface of the hammer disc 105. The inner wall of the groove 201 is provided with a cover plate 202. The surface of the cover plate 202 is threadedly connected with a screw 206. Multiple fixing frames 203 are fixedly connected to both sides of the hammer disc 105. The inner walls of the multiple fixing frames 203 are slidably connected with sliding plates 204. The multiple sliding plates 204 are in pairs. The surface of the sliding plates 204 in the same group is fixedly connected with hammer plates 205. One end of the screw 206 is fixedly connected with a pressure plate 207. The surface of the pressure plate 207 is provided with five limiting holes 208. Five long plates 209 are slidably inserted into the arc surface of the hammer disc 105. The surface of the long plates 209 is fixedly connected with limiting rods 210 that cooperate with the limiting holes 208. The five long plates 209 are fixedly connected to the five hammer plates 205 respectively. The five limiting rods 210 pass through the pressure plate 207 through the five limiting holes 208 respectively.

[0019] In this embodiment, by turning the screw 206, the pressure plate 207 is driven to rotate. With the help of the cooperation between the limiting hole 208 and the limiting rod 210, the length of multiple hammer plates 205 can be adjusted synchronously. The arc surface of the limiting rod 210 fits against the inner wall of the limiting hole 208.

[0020] A retaining ring 219 is fixedly connected to the inner wall of the groove 201, and a cover plate 202 is fixedly installed on the surface of the retaining ring 219.

[0021] In this embodiment, the cover plate 202 and the fixing ring 219 are detachably installed so that the cover plate 202 can be removed by the staff later to inspect the inside of the groove 201.

[0022] Five sliding pillars 211 are slidably inserted into the bottom wall of the groove 201. A support plate 212 is fixedly connected to the top of each of the five sliding pillars 211. A first spring 213 is fitted onto the arc surface of each sliding pillar 211, and both ends of the first spring 213 are fixedly connected to the support plate 212 and the bottom wall of the groove 201, respectively. A baffle 214 is fixedly connected to the surface of the support plate 212, and both the surfaces of the support plate 212 and the baffle 214 are in contact with the pressure plate 207.

[0023] In this embodiment, the support plate 212 serves to support and limit the pressure plate 207, thereby minimizing the wobbling of the pressure plate 207, and the first spring 213 facilitates the rebound of the support plate 212.

[0024] The end face of the support plate 212 is provided with a circular groove 215. The inner wall of the circular groove 215 is fixedly connected to a second spring 216. The top end of the second spring 216 is fixedly connected to a protrusion 217. The pressure plate 207 is provided with a plurality of slots 218 that are adapted to the protrusion 217 on the side near the support plate 212.

[0025] In this embodiment, the multiple slots 218 are divided into five groups, and the spacing between each group of slots 218 is relatively short, so that when the protrusion 217 disengages from one slot 218, it can enter the next slot 218. Figure 6 As shown, when the screw 206 stops rotating, the protrusion 217 is engaged in the slot 218, which further improves the stabilizing effect on the pressure plate 207.

[0026] The working principle of this utility model is as follows: In use, the operator first starts the motor inside the motor box 104 through the external power controller. Under the connection of the connecting shaft 106, the hammer plate 105 is driven to rotate. Then, the raw material is put into the hopper 102 and enters the crushing box 101. The raw material will then collide with the rotating hammer plate 205 and be crushed for the first time. The material that is initially crushed is thrown at high speed onto the liner plate inside the machine casing, where it is crushed again by secondary impact. Some of the material that meets the particle size requirements is discharged from the machine through the bottom filter frame 107. The material with a larger particle size continues to remain in the crushing box 101, waiting for the hammer plate 205 to continue to impact and grind until its size is smaller than the screen hole size before being discharged. After the initial crushing is completed, the staff opens the crushing box 101 and inspects its interior. If there is some uncrushed material due to excessive distance between the hammer plate 205 and the filter frame 107, the length of the hammer plate 205 needs to be adjusted. First, the screw 206 is turned. Driven by the screw thread, the screw 206 drives the pressure plate 207 to rotate and move. When the pressure plate 207 rotates, the position of the limiting hole 208 changes and engages with the limiting rod 210, causing the long plate 209 to move, thereby achieving the effect of adjusting the length of the hammer plate 205. While the pressure plate 207 rotates, it will press against the support plate 212. At the same time, the first... Spring 213 is in a deformed state, and support plate 212 plays a supporting and limiting role for pressure plate 207. At the same time, when pressure plate 207 rotates, protrusion 217 is squeezed and will retract into circular groove 215 and disengage from slot 218. At this time, second spring 216 is in a deformed state until another slot 218 and protrusion 217 coincide again. At this time, second spring 216 rebounds, so that protrusion 217 is in slot 218, which further raises the position of pressure plate 207. After that, hammer plate 105 is rotated again. Since the distance between hammer plate 205 and filter frame 107 is smaller, hammer plate 205 will more easily squeeze the material when rotating, causing the material to be crushed.

[0027] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0028] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, whether directly or indirectly applied to other related technical fields, are similarly within the scope of protection of this utility model patent.

Claims

1. A pulverizing device for producing enteric-coated sustained-release capsules, comprising a base (1), wherein a pulverizing chamber (101) and a motor housing (104) are mounted on the end face of the base (1), and the pulverizing chamber (101) is provided with a hammer disc (105) and a filter frame (107) inside, characterized in that, The surface of the hammer disc (105) is provided with an adjustment mechanism (2). The adjustment mechanism (2) includes a groove (201) formed on the surface of the hammer disc (105). The inner wall of the groove (201) is provided with a cover plate (202). The surface of the cover plate (202) is threaded with a screw (206). Multiple fixing frames (203) are fixedly connected to both sides of the hammer disc (105). The inner walls of the multiple fixing frames (203) are slidably connected with sliding plates (204). The multiple sliding plates (204) are arranged in pairs. A hammer plate (205) is fixedly connected to the surface of the slide plate (204) in the same group. A pressure plate (207) is fixedly connected to one end of the screw (206). Five limiting holes (208) are opened on the surface of the pressure plate (207). Five long plates (209) are slidably inserted into the arc surface of the hammer disc (105). A limiting rod (210) that cooperates with the limiting hole (208) is fixedly connected to the surface of the long plate (209). The five long plates (209) are respectively fixedly connected to the five hammer plates (205).

2. The pulverizing device for producing enteric-coated sustained-release capsules according to claim 1, characterized in that: The surface of the crushing box (101) is connected to the hopper (102), the surface of the base (1) is connected to the discharge pipe (103), and the side of the hammer disc (105) away from the screw (206) is fixedly connected to the connecting shaft (106). The end of the connecting shaft (106) away from the hammer disc (105) rotates through the crushing box (101) and is connected to the motor box (104).

3. The pulverizing device for producing enteric-coated sustained-release capsules according to claim 1, characterized in that: The five limiting rods (210) pass through the pressure plate (207) through the five limiting holes (208), and the inner wall of the groove (201) is fixedly connected to the fixing ring (219). The cover plate (202) is fixedly installed on the surface of the fixing ring (219).

4. The pulverizing device for producing enteric-coated sustained-release capsules according to claim 1, characterized in that: Five sliding columns (211) are slidably inserted into the bottom wall of the groove (201). The top of each of the five sliding columns (211) is fixedly connected to a support plate (212). A first spring (213) is sleeved on the arc surface of the sliding column (211). The two ends of the first spring (213) are fixedly connected to the support plate (212) and the bottom wall of the groove (201) respectively.

5. The pulverizing device for producing enteric-coated sustained-release capsules according to claim 4, characterized in that: A baffle (214) is fixedly connected to the surface of the support plate (212), and the surfaces of the support plate (212) and the baffle (214) are both in contact with the pressure plate (207).

6. The pulverizing device for producing enteric-coated sustained-release capsules according to claim 4, characterized in that: The end face of the support plate (212) is provided with a circular groove (215), and a second spring (216) is fixedly connected to the inner wall of the circular groove (215). A protrusion (217) is fixedly connected to the top of the second spring (216). The pressure plate (207) is provided with a plurality of slots (218) that are adapted to the protrusion (217) on the side near the support plate (212).

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