Pharmaceutical pulverizer with pulverizing head capable of being replaced quickly

Abstract

The utility model relates to the technical field of crushers, in particular to a pharmaceutical crusher with a crushing head capable of being replaced quickly, which comprises a support component, a positioning component and a jacking component, the support component comprises a support frame, a rotary driving component, a bottom box, an upper box body, a transmission wheel I and a crushing head support shaft, and the bottom box is mounted on the support frame; a first transmission wheel is installed on the smashing head supporting shaft, the rotary driving assembly is installed on the supporting frame, the positioning assembly comprises a positioning base, limiting shafts, extending frames and limiting nuts, the multiple extending frames are connected to the supporting frame, the multiple limiting shafts are connected to the positioning base, and one or more limiting nuts are connected to the limiting shafts. The jacking assembly comprises telescopic driving parts and a guide shaft, a plurality of telescopic driving parts are installed on the supporting frame, output shafts of the telescopic driving parts are connected with the guide shaft, and the device has the advantages that the crushing head is convenient to disassemble and assemble, maintenance is convenient, and the positioning effect of the crushing head is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pulverizers, in particular to a pulverizer with a quick-change pulverizing head for pharmaceutical use. Background Art

[0002] A pharmaceutical grinder is a device used to crush materials in the pharmaceutical industry. It uses cutting or scraping to crush raw materials. The crushing head on the grinder needs to be replaced regularly. During disassembly and assembly, the heavier crushing head is more laborious to move at the installation location, which is not conducive to disassembly of the crushing head. The crushing head often needs to be connected to the parts that drive its movement. During disassembly and maintenance, the connected parts are easy to deviate, which is not conducive to positioning the parts connected to the crushing head. Utility Model Content

[0003] (1) Technical problems solved

[0004] In view of the deficiencies in the prior art, the utility model provides a pharmaceutical grinder with a quick-change grinding head, which has the advantages of convenient disassembly and assembly of the grinding head, convenient maintenance, and improved positioning effect of the grinding head.

[0005] (2) Technical solution

[0006] To achieve the above-mentioned object, the present utility model provides the following technical solutions: a pharmaceutical grinder with a quick-changeable grinding head, comprising a support assembly, a positioning assembly and a lifting assembly;

[0007] The support assembly includes a support frame, a rotary drive assembly, a bottom box, an upper box body, a transmission wheel and a crushing head support shaft. The bottom box is installed on the support frame, the bottom box and the upper box body are arranged opposite to each other, and the bottom box and the upper box body are detachable. The opposite ends of the bottom box and the upper box body are provided with positioning grooves corresponding to the crushing head support shaft. The transmission wheel is installed on the crushing head support shaft. The rotary drive assembly is installed on the support frame, and the rotary drive assembly is used to drive the crushing head support shaft to rotate;

[0008] The positioning assembly is used to support the transmission wheel 1, and the positioning assembly includes a positioning seat, a limiting shaft, an extension frame and a limiting nut. The support frame is connected to a plurality of extension frames, and the positioning seat is connected to a plurality of limiting shafts. The limiting shaft passes through one of the side walls of the extension frame, and the limiting shaft is connected to one or more limiting nuts. The limiting nuts are distributed on both sides of the side walls of the extension frame;

[0009] The jacking assembly is used to jack up the transmission wheel 1. The jacking assembly includes a telescopic driving part and a guide shaft. A plurality of telescopic driving parts are installed on the support frame, and the output shaft of the telescopic driving part is connected to the guide shaft.

[0010] Preferably, the jacking assembly further includes a convex plate, the bottom box is connected to a plurality of convex plates, and the guide shaft passes through the convex plates.

[0011] Preferably, the positioning assembly further comprises a positioning screw, and a plurality of positioning screws are connected to the positioning seat, and one end of the positioning screw can press the transmission wheel 1.

[0012] Preferably, the support assembly also includes a positioning plate and a filter screen. A positioning plate is provided on the lower side of the bottom box, the positioning plate is connected to the support frame, a material passage hole for transmitting materials is provided on the positioning plate, and a filter screen is connected to the material passage hole of the positioning plate.

[0013] Preferably, the number of the telescopic drive part and the guide shaft is more than one, and the telescopic drive part is distributed in the area on both sides below the support shaft of the crushing head.

[0014] Preferably, the lifting assembly further comprises a supporting block, a plurality of supporting blocks are connected to the guide shaft, and a groove corresponding to the crushing head support shaft is provided on one end of the supporting block facing the crushing head support shaft.

[0015] Preferably, the rotary drive assembly includes a transmission belt, a second transmission wheel and a rotary drive unit. The rotary drive unit is installed on the support frame. The output shaft of the rotary drive unit is connected to the second transmission wheel. The second transmission wheel and the first transmission wheel are connected through a transmission belt.

[0016] Preferably, a positioning hole corresponding to the positioning screw is provided on the transmission wheel.

[0017] (3) Beneficial effects

[0018] Compared with the prior art, the present invention provides a pharmaceutical grinder with a quick-change grinding head, which has the following beneficial effects:

[0019] The breaker wheel is connected to the support shaft of the first gear and the support shaft of the second gear, and the breaker wheel is connected to the support shaft of the first gear by loosening the limit nut and adjusting the position of the positioning seat so that the positioning seat supports the transmission wheel. Then, the limit nut is tightened to limit the position of the transmission wheel, thereby supporting the transmission wheel and the support shaft of the breaker wheel, which is convenient for supporting the transmission wheel and the support shaft of the breaker wheel during disassembly and maintenance. During disassembly, the telescopic driving part drives the guide shaft to rise, and the guide shaft pushes the breaker head support shaft to push the breaker head support shaft out of the positioning groove of the bottom box, further facilitating the disassembly and assembly of the connection between the bottom box and the breaker head support shaft, achieving the effect of convenient disassembly and assembly of the breaker head, conveniently adjusting the position of the breaker head support shaft at the disassembly and assembly position, convenient for maintenance, and improving the positioning effect of the breaker head. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of the utility model;

[0021] Figure 2 For this utility model Figure 1 Schematic diagram of the cross-sectional structure at AA in the middle;

[0022] Figure 3 For this utility model Figure 1 Schematic diagram of the cross-sectional structure at the middle BB;

[0023] Figure 4 For this utility model Figure 1 Schematic diagram of the cross-section structure at CC;

[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of the utility model;

[0025] Figure 6 For this utility model Figure 5 Schematic diagram of the local enlarged structure at A in the middle;

[0026] Figure 7 It is a schematic diagram of the three-dimensional structure of the utility model;

[0027] Figure 8 For this utility model Figure 7 Schematic diagram of the locally enlarged structure at point A in the middle.

[0028] Markings in the accompanying drawings: 1. Support frame; 2. Bottom box; 3. Upper box body; 4. Transmission wheel 1; 5. Crushing head support shaft; 6. Transmission belt; 7. Transmission wheel 2; 8. Rotation drive unit; 9. Positioning seat; 10. Positioning screw; 11. Limiting shaft; 12. Extension frame; 13. Limiting nut; 14. Telescopic drive unit; 15. Guide shaft; 16. Support block; 17. Positioning plate; 18. Filter; 19. Convex plate. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] Example:

[0031] See also Figure 1-8 , a pharmaceutical grinder with a quick-change grinding head, including a supporting component, a positioning component and a lifting component.

[0032] The supporting assembly includes a supporting frame 1, a rotating drive assembly, a bottom box 2, an upper box body 3, a transmission wheel 4 and a crushing head support shaft 5. The bottom box 2 is installed on the supporting frame 1. The bottom box 2 and the upper box body 3 are arranged opposite to each other. The bottom box 2 and the upper box body 3 are detachable. Positioning grooves corresponding to the crushing head support shaft 5 are provided at the opposite ends of the bottom box 2 and the upper box body 3. A transmission wheel 4 is installed on the crushing head support shaft 5. The rotating drive assembly is installed on the supporting frame 1. The rotating drive assembly is used to drive the crushing head support shaft 5 to rotate.

[0033] The positioning assembly is used to support the transmission wheel 4. The positioning assembly includes a positioning seat 9, a limiting shaft 11, an extension frame 12 and a limiting nut 13. Several extension frames 12 are connected to the support frame 1, and several limiting shafts 11 are connected to the positioning seat 9. The limiting shaft 11 passes through one of the side walls of the extension frame 12. One or more limiting nuts 13 are connected to the limiting shaft 11, and the limiting nuts 13 are distributed on both sides of the side walls of the extension frame 12.

[0034] The jacking assembly is used to lift the transmission wheel 4. The jacking assembly includes a telescopic drive part 14 and a guide shaft 15. Several telescopic drive parts 14 are installed on the support frame 1. The output shaft of the telescopic drive part 14 is connected to the guide shaft 15. The transmission wheel 4 and the crushing head support shaft 5 are preferably connected by a key, a coupling or a tension connection. The bottom box 2 and the upper box body 3 are preferably connected only by bolts. The crushing head support shaft 5 is provided with a cutting edge for crushing medicinal raw materials. The transmission wheel 4 is one of a cylinder, a hydraulic cylinder and an electric cylinder. The upper box body 3 is connected to a funnel for conveying raw materials. A bearing that matches the crushing head support shaft 5 is preferably provided between the bottom box 2 and the upper box body 3. Holes that match the bearings are provided on the bottom box 2 and the upper box body 3. The crushing head support shaft 5 is supported by the bottom box 2 and the upper box body 3 to limit the crushing head support The position of the shaft 5 is conducive to the positioning of the crushing head support shaft 5. The crushing head support shaft 5 is connected to the transmission wheel 14. When disassembling the transmission wheel 14, the position of the positioning seat 9 is adjusted after loosening the limit nut 13 so that the positioning seat 9 supports the transmission wheel 14. Then, the limit nut 13 is tightened to limit the position of the transmission wheel 14, thereby supporting the transmission wheel 14 and the crushing head support shaft 5, which is convenient for supporting the transmission wheel 14 and the crushing head support shaft 5 during disassembly and maintenance. When disassembling, the telescopic driving part 14 drives the guide shaft 15 to rise, and the guide shaft 15 pushes the crushing head support shaft 5 to push the crushing head support shaft 5 out of the positioning groove of the bottom box 2, further facilitating the disassembly and assembly of the bottom box 2 and the connection between the crushing head support shaft 5, achieving the effect of convenient disassembly and assembly of the crushing head, convenient adjustment of the position of the crushing head support shaft 5 at the disassembly and assembly, convenient maintenance, and improving the positioning effect of the crushing head.

[0035] Reference Figure 8The lifting assembly also includes a convex plate 19. The bottom box 2 is connected to a plurality of convex plates 19. The guide shaft 15 passes through the convex plate 19. The convex plate 19 is preferably connected to a sleeve that matches the guide shaft 15. The setting of the convex plate 19 is conducive to guiding the guide shaft 15 and improving the guiding effect of the guide shaft 15 and the support block 16.

[0036] Reference Figure 6 The positioning assembly also includes a positioning screw 10. Several positioning screws 10 are connected to the positioning seat 9. One end of the positioning screw 10 can press the transmission wheel 4. The positioning seat 9 and the positioning screw 10 are preferably connected by a threaded connection. The positioning screw 10 is preferably a hand screw. Through the setting of the positioning screw 10, when the positioning screw 10 is tightened, the positioning screw 10 is pressed against the transmission wheel 4, further improving the positioning effect between the positioning seat 9 and the transmission wheel 4, making it convenient to position and support the transmission wheel 4.

[0037] Reference Figure 1 and 4 The support assembly also includes a positioning plate 17 and a filter screen 18. A positioning plate 17 is provided on the lower side of the bottom box 2, and the positioning plate 17 is connected to the support frame 1. A through hole for conveying materials is provided on the positioning plate 17, and a filter screen 18 is connected to the through hole of the positioning plate 17. The positioning plate 17 and the support frame 1 are preferably connected by screws. A discharge hole for conveying materials is provided on the bottom box 2, and the discharge hole and the filter screen 18 on the bottom box 2 are arranged relative to each other. Through the setting of the filter screen 18 on the positioning plate 17, finer cut powder can pass through the filter screen 18, which is conducive to conveying the cut powder.

[0038] Reference Figure 3 and 7 , there are more than one telescopic drive part 14 and guide shaft 15, and the telescopic drive part 14 is distributed in the two side areas below the crushing head support shaft 5. The telescopic drive part 14 is distributed in the two side areas below the crushing head support shaft 5, which is beneficial for the telescopic drive part 14 to drive the crushing head support shaft 5 to be uniformly stressed, and is beneficial for driving the crushing head support shaft 5 to move.

[0039] Reference Figure 3 and 8 The lifting assembly also includes a support block 16. Several support blocks 16 are connected to the guide shaft 15. The support block 16 is provided with a groove corresponding to the crushing head support shaft 5 at one end thereof facing the crushing head support shaft 5. By setting the groove on the support block 16, the positioning effect of the crushing head support shaft 5 is improved and the deviation of the crushing head support shaft 5 is reduced.

[0040] Reference Figure 5The rotary drive assembly includes a transmission belt 6, a transmission wheel 2 7 and a rotary drive unit 8. The rotary drive unit 8 is installed on the support frame 1. The output shaft of the rotary drive unit 8 is connected to the transmission wheel 2 7. The transmission wheel 2 7 and the transmission wheel 1 4 are connected through the transmission belt 6. The rotary drive unit 8 is a motor, preferably an electric motor. The transmission wheel 1 4 and the transmission wheel 2 7 are one of a pulley, a sprocket and a synchronous pulley. The transmission belt 6 is one of a belt, a chain and a synchronous belt that cooperates with the crushing head support shaft 5 and the transmission wheel 2 7. Through the cooperation between the transmission belt 6, the transmission wheel 2 7 and the rotary drive unit 8, the rotary drive unit 8 can be installed to a more suitable position, which is convenient for maintenance and disassembly of the drive.

[0041] Reference Figure 3 The transmission wheel 14 is provided with a positioning hole corresponding to the positioning screw 10. The setting of the positioning hole is conducive to limiting the position between the positioning screw 10, the transmission wheel 14 and the positioning seat 9.

[0042] When in use, loosen the limiting nut 13, adjust the position of the positioning seat 9, and then tighten the limiting nut 13 to separate the positioning seat 9 and the transmission wheel 4, and transmit the raw materials to the cutting position through the upper box body 3. When disassembling the crushing head support shaft 5, adjust the position of the positioning seat 9, and then tighten the limiting nut 13 so that the positioning seat 9 supports the transmission wheel 4 and the crushing head support shaft 5, disassemble the upper box body 3, and then make the telescopic drive part 14 drive the guide shaft 15 and the support block 16 to move, so that the telescopic drive part 14 pushes the crushing head support shaft 5 out of the bottom box 2 supporting the crushing head support shaft 5, and removes the crushing head support shaft 5.

[0043] It should be noted that references in this specification to "one embodiment," "an embodiment," "an exemplary embodiment," "some embodiments," and the like indicate that the described embodiment may include a particular feature, structure, or characteristic, but not necessarily every embodiment includes that particular feature, structure, or characteristic. Furthermore, such phrases do not necessarily refer to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in conjunction with an embodiment, it is within the knowledge of those skilled in the art to implement such feature, structure, or characteristic in conjunction with other embodiments, whether explicitly described or not.

[0044] It should be readily understood that “on,” “above,” and “over” in this disclosure should be interpreted in the broadest manner, such that “on” means not only “directly on something,” but also includes “on something” with intervening features or layers therebetween, and “above” or “over” includes not only the meaning of “above” or “over,” but also includes “above” or “over” with no intervening features or layers therebetween (i.e., directly on something).

[0045] Additionally, spatially relative terms, such as "below," "beneath," "beneath," "above," and the like, may be used herein for ease of description to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be in other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein should be interpreted accordingly.

[0046] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A pharmaceutical grinder with a quick-change grinding head, characterized by: Including support components, positioning components and jacking components; The support assembly comprises a support frame (1), a rotation drive assembly, a bottom box (2), an upper box body (3), a transmission wheel (4) and a crushing head support shaft (5); the bottom box (2) is mounted on the support frame (1); the bottom box (2) and the upper box body (3) are arranged relative to each other; the bottom box (2) and the upper box body (3) are detachable; positioning grooves corresponding to the crushing head support shaft (5) are arranged at opposite ends of the bottom box (2) and the upper box body (3); a transmission wheel (4) is mounted on the crushing head support shaft (5); the rotation drive assembly is mounted on the support frame (1); and the rotation drive assembly is used to drive the crushing head support shaft (5) to rotate; The positioning assembly is used to support the transmission wheel (4), and the positioning assembly includes a positioning seat (9), a limiting shaft (11), an extension frame (12) and a limiting nut (13). The support frame (1) is connected to a plurality of extension frames (12). The positioning seat (9) is connected to a plurality of limiting shafts (11). The limiting shaft (11) passes through one of the side walls of the extension frame (12). The limiting shaft (11) is connected to one or more limiting nuts (13). The limiting nuts (13) are distributed on both sides of the side walls of the extension frame (12). The lifting assembly is used for lifting the transmission wheel (4), and the lifting assembly includes a telescopic driving part (14) and a guide shaft (15). A plurality of telescopic driving parts (14) are installed on the support frame (1), and the output shaft of the telescopic driving part (14) is connected to the guide shaft (15).

2. A pharmaceutical grinder with a quick-change grinding head according to claim 1, characterized in that: The lifting assembly further comprises convex plates (19), the bottom box (2) is connected with a plurality of convex plates (19), and the guide shaft (15) passes through the convex plates (19).

3. A pharmaceutical grinder with a quick-change grinding head according to claim 1, characterized in that: The positioning assembly further comprises a positioning screw (10), a plurality of positioning screws (10) are connected to the positioning seat (9), and one end of the positioning screw (10) can press the transmission wheel (4).

4. A pharmaceutical grinder with a quick-change grinding head according to claim 1, characterized in that: The support assembly further comprises a positioning plate (17) and a filter screen (18). The positioning plate (17) is provided on the lower side of the bottom box (2). The positioning plate (17) is connected to the support frame (1). A material passage hole for transmitting materials is provided on the positioning plate (17). The material passage hole of the positioning plate (17) is connected to the filter screen (18).

5. The pharmaceutical grinder with a quick-change grinding head according to claim 1, characterized in that: The telescopic drive part (14) and the guide shaft (15) are both provided with more than one, and the telescopic drive part (14) is distributed in the areas on both sides below the crushing head support shaft (5).

6. The pharmaceutical grinder with a quick-change grinding head according to claim 1, characterized in that: The lifting assembly further comprises a supporting block (16), a plurality of supporting blocks (16) are connected to the guide shaft (15), and a groove corresponding to the crushing head support shaft (5) is provided on one end of the supporting block (16) facing the crushing head support shaft (5).

7. The pharmaceutical grinder with a quick-change grinding head according to claim 1, characterized in that: The rotary drive assembly comprises a transmission belt (6), a second transmission wheel (7) and a rotary drive unit (8). The rotary drive unit (8) is mounted on a support frame (1). The output shaft of the rotary drive unit (8) is connected to the second transmission wheel (7). The second transmission wheel (7) and the first transmission wheel (4) are connected by a transmission belt (6).

8. The pharmaceutical grinder with a quick-change grinding head according to claim 3, characterized in that: The transmission wheel 1 (4) is provided with a positioning hole corresponding to the positioning screw (10).

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