Melting device for preparing sustained-release balls

Abstract

The utility model discloses a melting device for preparing sustained-release balls, and relates to the technical field of medicine production. The device comprises a shell, a melting cylinder is fixedly connected to the center of the interior of the shell, a heating assembly is arranged on the outer side of the melting cylinder, and a feeding assembly is further arranged at the top of the shell; the heating assembly comprises a U-shaped frame, a mounting column, a fixed clamping block, a movable clamping block and an electric heating pipe; and the feeding assembly comprises a hopper, a crushing roller, a second inclined plate, a mounting frame and a filter plate. The movable clamping block is driven by the threaded rod to move, the electric heating pipe is clamped through the fixed clamping block and the movable clamping block, the problem that in the prior art, the electric heating pipe is inconvenient to overhaul and replace is solved, slow-release ball raw materials are preliminarily crushed through the crushing roller, and the service life of the slow-release ball raw materials is prolonged. And the slow-release ball raw materials on the filter plate are driven by the eccentric wheel to make contact with the crushing blocks on the second inclined plate, secondary crushing of the slow-release ball raw materials is achieved, and the problem that the existing melting efficiency is low is solved.

Description

Technical Field

[0001] This utility model belongs to the field of pharmaceutical production technology, and in particular relates to a melting device for the preparation of sustained-release pellets. Background Technology

[0002] Medicine is one of the most common means of treating diseases in people's daily lives, and sustained-release pellets are a new type of medicine. Compared with ordinary medicine, sustained-release pellets can prolong the absorption, distribution and action time, and reduce the side effects caused by fluctuating blood drug concentration. In the preparation process of sustained-release pellets, the raw materials usually need to be melted, and melting devices are generally used to facilitate the melting of pharmaceutical raw materials.

[0003] A raw material melting device is disclosed in the existing document CN220460627U, including a melting kettle, a melting chamber inside the melting kettle, a rotating rod movably installed inside the melting chamber, and a cleaning device threadedly connected to the outer wall of one side of the connecting rod. The cleaning device includes a first scraper, a second scraper, a limiting groove, a connecting plate, a connecting pipe, a first threaded hole, a second threaded hole, a third threaded hole, a fourth threaded hole, and a fixing bolt. A limiting groove is opened on one side of the first scraper, and a connecting plate is installed at one end of the second scraper. The connecting plate is movably installed inside the limiting groove.

[0004] However, it still has the following drawbacks in practical use:

[0005] 1. The melting device described above has an internal jacket in its melting vessel, and an electric heating tube is installed inside the jacket. The electric heating tube is used to heat and melt the pharmaceutical raw materials inside the melting vessel. However, during use, because the electric heating tube is installed in the jacket on the inner wall of the melting vessel, it is inconvenient to install, disassemble, repair, or replace the electric heating tube.

[0006] 2. The melting device described above has a top cover threadedly connected to the top of the melting vessel, and a feed pipe is installed in the second through hole at the top of the top cover. Pharmaceutical raw materials are added to the melting vessel through the feed pipe. However, during use, it is not convenient to refine the pharmaceutical raw materials, as the large surface area of ​​the pharmaceutical raw materials affects the melting efficiency.

[0007] To address these issues, we provide a melting apparatus for the preparation of sustained-release spheres. Utility Model Content

[0008] The purpose of this invention is to provide a melting device for the preparation of slow-release pellets. The device uses a threaded rod to drive a moving clamping block, and uses a fixed clamping block and a moving clamping block to hold the electric heating tube. This solves the problem of inconvenience in the maintenance and replacement of the electric heating tube in existing devices. The device also uses a crushing roller to initially crush the slow-release pellet raw material, and uses an eccentric wheel to drive the slow-release pellet raw material on the filter plate to contact the crushing block on the second inclined plate, thereby achieving secondary crushing of the slow-release pellet raw material and solving the problem of low melting efficiency in existing devices.

[0009] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0010] This utility model is a melting device for preparing slow-release spheres, including an outer shell, a melting cylinder fixedly connected to the center of the inner part of the outer shell, a heating component arranged on the outer side of the melting cylinder, and a feeding component arranged on the top of the outer shell;

[0011] The heating assembly includes a U-shaped frame, mounting columns, fixed clamping blocks, movable clamping blocks, and electric heating tubes. The U-shaped frame is movably connected to the inside of the outer shell. The mounting columns are fixedly connected vertically inside the U-shaped frame. The fixed clamping blocks are fixedly connected vertically at equal intervals to the outer wall of the mounting columns on the side away from the U-shaped frame. A second sliding groove is vertically opened on the outer wall of the mounting columns on the side away from the U-shaped frame. A lead screw is rotatably connected inside the second sliding groove. The top of the lead screw rotatably passes through the top of the second sliding groove and is fixedly connected to a second knob. A second slider is threaded at equal intervals on the outer wall of the lead screw. The movable clamping block is fixedly connected to the outer wall of one side of the second slider. The movable clamping block is located above the fixed clamping block. Multiple sets of electric heating tubes are provided and clamped between the fixed clamping block and the movable clamping block respectively.

[0012] The feeding assembly includes a hopper, crushing rollers, a second inclined plate, a mounting frame, and a filter plate. The crushing rollers are rotatably connected to both sides of the upper part of the hopper along the longitudinal direction. The second inclined plates are fixedly connected to the lower part of the crushing rollers. Multiple sets of crushed blocks are fixedly connected at equal intervals on the lower surface of the second inclined plates. The mounting frame is movably connected to the lower part of the hopper. The filter plate is fixedly connected to the inside of the mounting frame. Eccentric wheels are abutted to the front and rear ends of the bottom of the mounting frame.

[0013] A further feature of this invention is that a first support rod is fixedly connected to all four sides of the bottom of the outer shell;

[0014] A discharge pipe runs through the bottom of the melting cylinder, and the bottom end of the discharge pipe passes through the bottom of the outer shell and is fixedly connected to a discharge valve.

[0015] A further feature of this invention is that: a sleeve rod extends through all four outer walls of the outer casing, and a threaded rod is threaded inside each sleeve rod; one end of the threaded rod inside the outer casing is fixedly connected to the outer wall of the U-shaped frame away from the mounting column, and a first knob is fixedly connected to the other end of the threaded rod outside the outer casing.

[0016] A further feature of this invention is that: a first sliding groove is provided around the bottom of the inner side of the outer shell, and a first slider is movably connected inside the first sliding groove, with the top of the first slider welded to the bottom of the mounting post.

[0017] A further feature of this invention is that a feed pipe extends through the bottom of the hopper, and the bottom end of the feed pipe extends through the top of the outer shell and extends to the upper inner side of the melting cylinder.

[0018] The front and rear ends of both sides of the top of the outer shell are fixedly connected to a second support rod. The top of the second support rod is fixedly connected to an L-shaped plate. The vertical support arms of the L-shaped plate are fixedly connected to the outer walls of both sides of the hopper.

[0019] The upper part of the inner wall on both sides of the hopper is fixedly connected to the first inclined plate.

[0020] A further feature of this invention is that: both sides of the upper part of the hopper are rotatably connected to a first rotating shaft in the longitudinal direction; the front end of the first rotating shaft rotates through the front end face of the hopper and is fixedly connected to a driven gear; and the crushing roller is sleeved on the outer wall of the first rotating shaft located inside the hopper.

[0021] A first drive motor is fixedly connected to one side above the front end face of the hopper via a first motor frame. A drive gear is sleeved on the output shaft of the first drive motor. Driven gears are meshed with each other and with the drive gear.

[0022] A further feature of this invention is that: a sliding rod is movably inserted through all four sides of the surface of the mounting frame, and a mounting seat is fixedly connected to both ends of the sliding rod; one outer wall of the mounting seat is fixedly connected to the lower part of the inner walls on both sides of the hopper.

[0023] A further feature of this invention is that a second drive motor is fixedly connected to the lower front end face of the hopper via a second motor frame, the output shaft of the second drive motor rotates through the front end face of the hopper and is fixedly connected to a second rotating shaft, the rear end of the second rotating shaft is rotatably connected to the lower rear end face inside the hopper, and eccentric wheels are respectively sleeved on the front and rear ends of the outer wall of the second rotating shaft.

[0024] This utility model has the following beneficial effects:

[0025] 1. This utility model, by setting up a heating component, rotates a first knob, which drives a threaded rod to rotate synchronously. The threaded rod drives a U-shaped frame to move inside the outer shell, and the U-shaped frame drives a mounting column to slide inside the outer shell, changing the positions of the moving and fixed clamping blocks inside the outer shell. This facilitates the fixing of electric heating tubes of different diameters. The electric heating tube is placed on the fixed clamping block, and the second knob drives the lead screw to rotate. Under the action of the threaded connection between the lead screw and the second slider, the moving clamping block moves towards the fixed clamping block. The moving and fixed clamping blocks clamp the electric heating tube, thus fixing it and facilitating its installation, disassembly, maintenance, and replacement.

[0026] 2. This utility model, by setting up a feeding assembly, uses a first drive motor and a second drive motor to drive the crushing roller and eccentric wheel to rotate respectively. The rotation of the crushing roller performs initial crushing of the slow-release ball raw material, and the eccentric wheel drives the mounting frame and filter plate to vibrate, causing the slow-release ball raw material on the filter plate to collide with the crushed blocks on the second inclined plate, thereby achieving secondary crushing of the slow-release ball raw material, reducing its volume, increasing its outer surface area, and improving the melting efficiency of the slow-release ball raw material.

[0027] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0028] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a schematic diagram of the overall structure of a melting device for preparing sustained-release pellets;

[0030] Figure 2 This is a front sectional view of the present invention.

[0031] Figure 3 This is a schematic diagram of the heating assembly of this utility model;

[0032] Figure 4 This is a schematic diagram of the U-shaped frame of this utility model;

[0033] Figure 5 This is a schematic diagram of the structure of the mounting column of this utility model;

[0034] Figure 6 This is a front sectional view of the feeding assembly of this utility model;

[0035] Figure 7 This is a schematic diagram of the structure of the crushing roller of this utility model;

[0036] Figure 8 This is a bottom view of the second inclined plate of this utility model;

[0037] Figure 9 This is a structural disassembly diagram of the mounting frame of this utility model.

[0038] The attached diagram lists the components represented by each number as follows:

[0039] 100-Outer shell, 101-First support rod, 102-First slide groove, 200-Melting cylinder, 201-Discharge pipe, 202-Discharge valve, 300-Heating assembly, 301-U-shaped frame, 301a-Sleeve rod, 301b-Threaded rod, 301c-First knob, 302-Mounting post, 302a-First slider, 302b-Second slide groove, 303-Fixed clamping block, 304-Moving clamping block, 304a-Lead screw, 304b-Second knob, 304c-Second slider, 305-Electric heating tube, 400-Feeding assembly, 401-Hopper. 401a-Feed pipe, 401b-Second support rod, 401c-L-shaped plate, 401d-First inclined plate, 402-Crushing roller, 402a-First rotating shaft, 402b-Driven gear, 402c-First motor frame, 402d-First drive motor, 402e-Drive gear, 403-Second inclined plate, 403a-Crushed block, 404-Mounting frame, 404a-Slide rod, 404b-Mounting base, 405-Filter plate, 406-Eccentric wheel, 406a-Second motor frame, 406b-Second drive motor, 406c-Second rotating shaft. Detailed Implementation

[0040] 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 skilled in the art without creative effort are within the protection scope of the present utility model. Specific Implementation Example 1

[0042] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, this is the first embodiment of the present invention. This embodiment provides a melting device for preparing slow-release spheres, including a shell 100, a melting cylinder 200 fixedly connected inside the shell 100, and a heating assembly 300 located outside the melting cylinder 200. The heating assembly 300 includes a U-shaped frame 301, a mounting column 302, a fixed clamping block 303, a movable clamping block 304, and an electric heating tube 305. The positions of the movable clamping block 304 and the fixed clamping block 303 are adjusted by the U-shaped frame 301, and the electric heating tube 305 is clamped by the movable clamping block 304 and the fixed clamping block 303, which solves the problem of the existing device being inconvenient to inspect and replace the electric heating tube 305.

[0043] Specifically, the U-shaped frame 301 is movably connected to the inside of the outer shell 100. The mounting column 302 is fixedly connected vertically inside the U-shaped frame 301. The fixed clamping block 303 is fixedly connected vertically at equal intervals to the outer wall of the mounting column 302 on the side away from the U-shaped frame 301. A second sliding groove 302b is vertically formed on the outer wall of the mounting column 302 on the side away from the U-shaped frame 301. A lead screw 304a is rotatably connected inside the second sliding groove 302b. The top of the lead screw 304a rotatably passes through the top of the second sliding groove 302b and is fixedly connected to a second knob 304b. A second slider 304c is threaded at equal intervals on the outer wall of the lead screw 304a. The movable clamping block 304 is fixedly connected to the outer wall of one side of the second slider 304c. Above, the movable clamping block 304 is located above the fixed clamping block 303. Multiple sets of electric heating tubes 305 are respectively clamped between the fixed clamping block 303 and the movable clamping block 304. The U-shaped frame 301 is used to adjust the position of the mounting column 302 inside the housing 100. The mounting column 302 is used to install the fixed clamping block 303 and the movable clamping block 304. The second sliding groove 302b is used to install the lead screw 304a. The fixed clamping block 303 and the movable clamping block 304 are used to clamp and fix the electric heating tubes 305. The lead screw 304a and the second slider 304c are used to movably install the movable clamping block 304 on the mounting column 302. The second knob 304b is used to facilitate the rotation of the lead screw 304a.

[0044] Furthermore, a first support rod 101 is fixedly connected to all four sides of the bottom of the outer casing 100. The first support rod 101 is provided to support the outer casing 100.

[0045] A discharge pipe 201 passes through the bottom of the melting cylinder 200. The bottom end of the discharge pipe 201 passes through the bottom of the outer shell 100 and is fixedly connected to a discharge valve 202. The discharge pipe 201 and the discharge valve 202 are used to discharge the molten slow-release pellet raw material.

[0046] All four outer walls of the outer casing 100 are perforated by sleeve rods 301a. Each sleeve rod 301a is threaded with a threaded rod 301b inside. The end of the threaded rod 301b inside the outer casing 100 is fixedly connected to the outer wall of the U-shaped frame 301 away from the mounting post 302. The end of the threaded rod 301b outside the outer casing 100 is fixedly connected to a first knob 301c. The sleeve rods 301a are used to install the threaded rods 301b, and the inner side of the sleeve rods 301a is internally threaded. The threaded rods 301b are used to drive the U-shaped frame 301 to move. The first knob 301c is used to facilitate the rotation of the threaded rods 301b.

[0047] The bottom of the inner side of the outer casing 100 is provided with a first sliding groove 102. The first sliding groove 102 is movably connected to the inside of the first sliding groove 102. The top of the first sliding groove 302a is welded to the bottom of the mounting post 302. The arrangement of the first sliding groove 102 and the first sliding groove 302a enables the mounting post 302 to be slidably installed inside the outer casing 100.

[0048] The operation process of this embodiment is as follows: First, rotate the first knob 301c. The first knob 301c drives the threaded rod 301b to rotate synchronously. The first threaded rod 301b drives the U-shaped frame 301 to move inside the outer shell 100. The U-shaped frame 301 drives the mounting post 302 to slide inside the outer shell 100, changing the position of the moving clamp 304 and the fixed clamp 303 inside the outer shell 100, which facilitates the fixing of electric heating tubes 305 of different diameters. Then, place the electric heating tube 305 on the fixed clamp 303, and rotate the lead screw 304a by rotating the second knob 304b. Under the action of the threaded connection between the lead screw 304a and the second slider 304c, the moving clamp 304 moves towards the fixed clamp 303. The electric heating tube 305 is clamped by the fixed clamp 303 and the moving clamp 304, thus realizing the installation of the electric heating tube 305. Finally, the slow-release ball raw material is put into the melting cylinder 200 and the power supply of the electric heating tube 305 is turned on. The slow-release ball raw material in the melting cylinder 200 is heated and melted by the electric heating tube 305. After the slow-release ball raw material is completely melted, the discharge valve 202 is opened, so that the molten slow-release ball raw material is discharged through the discharge pipe 201. Specific Implementation Example 2

[0050] Please see Figure 1 , Figure 2 , Figure 6 , Figure 7 , Figure 8 and Figure 9As shown, this is the second embodiment of the present invention. This embodiment is based on the previous embodiment, but differs from the previous embodiment in that: the top of the outer shell 100 is also provided with a feeding assembly 400, and the feeding assembly 400 includes a hopper 401, a crushing roller 402, a second inclined plate 403, a mounting frame 404 and a filter plate 405. The crushing roller 402 performs preliminary crushing on the slow-release ball raw material, and the crushing blocks 403a on the second inclined plate 403 perform secondary crushing on the slow-release ball raw material. By increasing the surface area of ​​the slow-release ball raw material, its melting efficiency is improved, thus solving the problem of low melting efficiency in the existing system.

[0051] Specifically, the crushing rollers 402 are rotatably connected to both sides of the upper part of the hopper 401 along the longitudinal direction. The second inclined plates 403 are fixedly connected to the lower part of the crushing rollers 402. Multiple sets of crushing blocks 403a are fixedly connected at equal intervals on the lower surface of the second inclined plates 403. The mounting frame 404 is movably connected to the lower part of the hopper 401. The filter plate 405 is fixedly connected to the inside of the mounting frame 404. Eccentric wheels 406 are abutted to the front and rear ends of the bottom of the mounting frame 404. The crushing rollers 402 are used for the initial crushing of the slow-release ball raw material. The second inclined plate 403 is used to concentrate the initially crushed slow-release ball raw material on the filter plate 405. The crushing block 403a is used to further crush the slow-release ball raw material. The mounting frame 404 is used to install the filter plate 405 and drive the filter plate 405 to vibrate, so that the initially crushed slow-release ball raw material on the filter plate 405 comes into contact with the crushing block 403a on the second inclined plate 403. The filter plate 405 is used to screen the slow-release ball raw material, and the eccentric wheel 406 is used to drive the mounting frame 404 to vibrate.

[0052] Furthermore, a feed pipe 401a extends through the bottom of the hopper 401. The bottom end of the feed pipe 401a extends through the top of the outer shell 100 and extends to the upper inner side of the melting cylinder 200. The feed pipe 401a is provided to add the slow-release ball raw material in the hopper 401 into the melting cylinder 200.

[0053] The front and rear ends of both sides of the top of the outer casing 100 are fixedly connected to a second support rod 401b. The top of the second support rod 401b is fixedly connected to an L-shaped plate 401c. The vertical arms of the L-shaped plate 401c are fixedly connected to the outer walls of both sides of the hopper 401. The second support rod 401b is used to support the hopper 401, and the L-shaped plate 401c is used to connect the second support rod 401b and the hopper 401.

[0054] The upper part of the inner walls on both sides of the hopper 401 is fixedly connected to the first inclined plate 401d. The first inclined plate 401d is used to guide the slow-release ball raw material in the hopper 401 onto the crushing roller 402.

[0055] Both sides of the upper part of the hopper 401 are longitudinally rotatably connected to a first rotating shaft 402a. The front end of the first rotating shaft 402a rotatably passes through the front end face of the hopper 401 and is fixedly connected to a driven gear 402b. The crushing roller 402 is sleeved on the outer wall of the first rotating shaft 402a located inside the hopper 401. The first rotating shaft 402a is set to install the crushing roller 402, and the driven gear 402b is set to drive the first rotating shaft 402a to rotate.

[0056] A first drive motor 402d is fixedly connected to one side of the front end face of the hopper 401 via a first motor frame 402c. A drive gear 402e is sleeved on the output shaft of the first drive motor 402d. Driven gears 402b are meshed with each other and with the drive gear 402e. The first motor frame 402c is set up to install the first drive motor 402d. The first drive motor 402d is set up to drive the drive gear 402e to rotate. The drive gear 402e is set up to drive the driven gear 402b to rotate.

[0057] Slide rods 404a are movably inserted through all four sides of the surface of the mounting frame 404. Mounting seats 404b are fixedly connected to both ends of the slide rods 404a. The outer wall of one side of the mounting seat 404b is fixedly connected to the lower side inner walls of the hopper 401. The slide rods 404a are used to movably install the mounting frame 404 inside the hopper 401, and the mounting seats 404b are used to install the slide rods 404a.

[0058] A second drive motor 406b is fixedly connected to the lower front end face of the hopper 401 via a second motor frame 406a. The output shaft of the second drive motor 406b rotatably passes through the front end face of the hopper 401 and is fixedly connected to a second rotating shaft 406c. The rear end of the second rotating shaft 406c is rotatably connected to the lower rear end face inside the hopper 401. Eccentric wheels 406 are respectively sleeved on the front and rear ends of the outer wall of the second rotating shaft 406c. The second motor frame 406a is set up to install the second drive motor 406b. The second drive motor 406b is set up to drive the second rotating shaft 406c to rotate. The second rotating shaft 406c is set up to drive the eccentric wheels 406 to rotate.

[0059] The rest of the structure is the same as in Example 1.

[0060] The operation process of this embodiment is as follows: First, the slow-release ball raw material is placed into the hopper 401. Under the action of the first inclined plate 401d, the slow-release ball raw material falls onto the crushing roller 402. The first drive motor 402d is started. The output shaft of the first drive motor 402d drives the driven gear 402b to rotate through the drive gear 402e. The driven gear 402b drives the crushing roller 402 to rotate through the first rotating shaft 402a. The crushing roller 402 performs preliminary crushing on the slow-release ball raw material. Then, the preliminarily crushed slow-release ball raw material falls onto the filter plate 405 through the second inclined plate 403. The filter plate 405 then processes the raw material. Screening is performed, and the second drive motor 406b is started. The output shaft of the second drive motor 406b drives the eccentric wheel 406 to rotate through the second rotating shaft 406c. The rotation of the eccentric wheel 406 causes the mounting frame 404 and the filter plate 405 to vibrate, so that the initially crushed slow-release ball raw material on the filter plate 405 comes into contact with the crushing block 403a. The crushing block 403a performs secondary crushing on the slow-release ball raw material. Finally, the slow-release ball raw material after secondary crushing enters the melting cylinder 200 through the feed pipe 401a, and the slow-release ball raw material in the melting cylinder 200 is heated and melted by the heating structure in the outer shell 100.

[0061] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A melting device for slow-release ball preparation, comprising a shell (100), a melting cylinder (200) fixedly connected to an inner central position of the shell (100), and a heating assembly (300) provided on the outside of the melting cylinder (200), and a feeding assembly (400) provided on the top of the shell (100), characterized in that: the heating assembly (300) comprises a U-shaped frame (301), a mounting column (302), a fixed clamping block (303), a movable clamping block (304) and an electric heating pipe (305), the U-shaped frame (301) is movably connected to the inner periphery of the shell (100), the mounting column (302) is fixedly connected to the inside of the U-shaped frame (301) in the vertical direction, the fixed clamping block (303) is fixedly connected to the outer wall of the mounting column (302) away from the U-shaped frame (301) in the vertical direction at equal intervals, a second sliding groove (302b) is formed in the outer wall of the mounting column (302) away from the U-shaped frame (301) in the vertical direction, a lead screw (304a) is rotatably connected to the inside of the second sliding groove (302b), the top end of the lead screw (304a) penetrates through the top of the second sliding groove (302b) and is fixedly connected with a second knob (304b), a second sliding block (304c) is threadedly sleeved on the outer wall of the lead screw (304a) at equal intervals, the movable clamping block (304) is fixedly connected to the outer wall of the second sliding block (304c), and the movable clamping block (304) is located above the fixed clamping block (303), and the electric heating pipe (305) is provided in multiple groups and clamped between the fixed clamping block (303) and the movable clamping block (304); the feeding assembly (400) comprises a hopper (401), a crushing roller (402), a second inclined plate (403), a mounting frame (404) and a filter plate (405), the crushing roller (402) is rotatably connected to the both sides of the upper part of the inside of the hopper (401) in the longitudinal direction, the second inclined plate (403) is fixedly connected below the crushing roller (402), a plurality of crushing blocks (403a) are fixedly connected to the lower surface of the second inclined plate (403) at equal intervals, the mounting frame (404) is movably connected to the lower part of the inside of the hopper (401), and the filter plate (405) is fixedly connected to the inside of the mounting frame (404), and eccentric wheels (406) are abuttingly connected to the front and rear ends of the bottom of the mounting frame (404). first support rods (101) are fixedly connected to the periphery of the bottom of the shell (100); 2. A melting apparatus for slow-release ball preparation according to claim 1, characterized in that, a discharge pipe (201) penetrates through the bottom of the melting cylinder (200), and the bottom end of the discharge pipe (201) penetrates through the bottom of the shell (100) and is fixedly connected with a discharge valve (202). ​ 3. A melting apparatus for slow-release ball preparation according to claim 1, characterized in that, The outer wall of the shell (100) is penetrated by a sleeve rod (301a), and the inside of the sleeve rod (301a) is threaded with a threaded rod (301b). One end of the threaded rod (301b) inside the shell (100) is fixedly connected to the outer wall of the U-shaped frame (301) away from the mounting column (302). The other end of the threaded rod (301b) is fixedly connected with a first knob (301c).

4. A melting apparatus for slow-release ball preparation according to claim 3, characterized in that, The inner bottom of the shell (100) is provided with a first sliding groove (102), and the first sliding groove (102) is movably connected with a first sliding block (302a). The top of the first sliding block (302a) is welded to the bottom end of the mounting column (302).

5. A melting apparatus for slow-release ball preparation according to claim 1, characterized in that, The bottom of the hopper (401) is penetrated by a feeding pipe (401a), and the bottom end of the feeding pipe (401a) penetrates the top of the shell (100) and extends above the inside of the melting cylinder (200). The top of the shell (100) is fixedly connected with a second support rod (401b), and the top of the second support rod (401b) is fixedly connected with an L-shaped plate (401c). The vertical branch of the L-shaped plate (401c) is fixedly connected to the outer wall of the hopper (401). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d).

6. A melting apparatus for slow-release ball preparation according to claim 1, characterized in that, The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d).

7. A melting apparatus for slow-release ball preparation according to claim 1, characterized in that, The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d).

8. A melting apparatus for slow-release ball preparation according to claim 1, characterized in that, The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d). The upper side of the inner wall of the hopper (401) is fixedly connected with a first inclined plate (401d).

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