CN220059339U - Grinding door structure for needle disc grinding - Google Patents
Grinding door structure for needle disc grinding Download PDFInfo
- Publication number
- CN220059339U CN220059339U CN202320081161.2U CN202320081161U CN220059339U CN 220059339 U CN220059339 U CN 220059339U CN 202320081161 U CN202320081161 U CN 202320081161U CN 220059339 U CN220059339 U CN 220059339U
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- door
- pin shaft
- connecting arm
- grinding
- shell
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- 238000000034 method Methods 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 16
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 abstract description 5
- 239000000843 powder Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000009700 powder processing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a grinding door structure for a needle disc grinder, which belongs to the technical field of micro powder equipment and comprises a shell, wherein a door hole is formed in the shell, a grinding door is arranged in the door hole in an openable and closable manner, and the grinding door is connected with the shell through a conical sealing structure; one side of the grinding door is arranged on the shell through an opening and closing component; the method is characterized in that: the opening and closing assembly comprises a connecting arm assembly, the connecting arm assembly is of an L-shaped structure, one end of the grinding door is hinged with one end of the connecting arm assembly through a first pin shaft, and the shell is hinged with the other end of the connecting arm assembly through a second pin shaft; the utility model can improve the rotation flexibility of the grinding door, realize the micro-adjustment of the angle of the assembly surface and improve the tightness of the assembly surface.
Description
Technical Field
The utility model relates to the technical field of micro powder equipment, in particular to a grinding door structure for a needle disc grinder.
Background
The needle disk mill is used as an impact mill, is suitable for grinding and processing of crystallization or needle-shaped particles and fat-like or oily materials used in pharmaceutical and food industries, and has wide application in the micro powder processing industry.
In the current industry, in order to achieve a better sealing effect, a conical matching surface structure is arranged on the joint surface of the grinding door and the shell, so that the processing and assembling precision of the grinding door and the shell is required to be high, otherwise, the phenomenon of imprecise closing can occur when the grinding door is closed, but the conventional grinding door structure of the needle disc grinder is usually a hinge type, namely, a pin roll is used for connecting lugs on the shell with lugs on the grinding door, so that the opening and closing effects are realized. The hinge type door opening structure has poor flexibility, and the angle of the assembly surface of the grinding door cannot be adjusted to be finely adjusted, so that the assembly precision of the combination surface of the shell and the grinding door is poor, and the grinding door is not tightly closed; the phenomenon of imprecise closing caused by the assembling precision of the joint surface also frequently occurs in the actual production and assembling process, and the process needs to be revised again, thereby being time-consuming and labor-consuming.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects, the utility model provides the grinding door structure for the needle disc grinder, which can improve the rotation flexibility of the grinding door, realize the angle fine adjustment of the assembly surface and improve the tightness of the assembly surface.
In order to solve the technical problems, the utility model adopts the following technical scheme: the grinding door structure for the needle disc grinder comprises a shell, wherein a door hole is formed in the shell, a grinding door is arranged in the door hole in an openable and closable manner, and the grinding door is connected with the shell through a conical sealing structure; one side of the grinding door is arranged on the shell through an opening and closing component; the method is characterized in that: the opening and closing assembly comprises a connecting arm assembly, the connecting arm assembly is of an L-shaped structure, one end of the grinding door is hinged with one end of the connecting arm assembly through a first pin shaft, and the shell is hinged with the other end of the connecting arm assembly through a second pin shaft.
Further, the door comprises a plurality of compressing assemblies, the compressing assemblies are arranged on the outer periphery of the door hole, and the compressing assemblies are circumferentially and uniformly distributed.
Further, the outer side surface of the grinding door is a plane, and two first support lugs are fixedly arranged on the outer side surface of the grinding door; the two first lugs are arranged at one side close to the opening and closing assembly, are arranged at intervals up and down, and are provided with coaxial through holes;
the shell is close to the position of the opening and closing assembly and fixedly provided with two second lugs which are arranged at intervals up and down, and coaxial through holes are formed in the two second lugs.
Further, two ends of the connecting arm assembly are provided with pin shaft holes;
the first pin shaft penetrates through the through hole of the first support lug and a pin shaft hole at one end of the connecting arm assembly; the second pin shaft penetrates through the pin shaft hole at the other end of the through hole technology connecting arm assembly of the second support lug.
Further, the connecting arm assembly comprises two connecting arms which are arranged at intervals up and down, and the two connecting arms are connected through two connecting columns;
the two connecting columns are respectively arranged at two ends of the connecting arm, and the pin shaft holes coaxially penetrate through the connecting columns; the two ends of the pin shaft hole respectively penetrate through the corresponding connecting arms.
Further, the compressing assembly comprises a stud arranged on the shell, a pressing block is movably sleeved on the stud, a nut is connected to the upper portion of the stud in a matched mode, and the pressing block is fixed on the stud through the nut.
Further, a tongue-shaped bulge is arranged on the side surface of the pressing block, and the tongue-shaped bulge is of a flat plate structure;
the distance h from the tongue-shaped bulge to the bottom surface of the pressing block is smaller than the distance h1 from the outer side surface of the shell to the outer side surface of the grinding door, and the difference value between h1 and h is 1-2mm.
Further, the first pin shaft and the second pin shaft are cylindrical pins, and one ends of the first pin shaft and the second pin shaft are provided with limiting protrusions; cotter pins are radially arranged at the other ends of the first pin shaft and the second pin shaft in a penetrating mode.
Further, one end, far away from the opening and closing assembly, of the outer side face of the grinding door is provided with a grinding door handle, and the grinding door handle is of a door type structure.
Further, the connecting arm and the connecting post are integrally formed or welded.
After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:
according to the utility model, through the cooperation of the connecting arm and the pin shaft, the rotation flexibility of the grinding door can be improved, the angle micro-adjustment of the assembly surface is realized, and the tightness of the assembly surface is improved.
According to the utility model, the plurality of pressing blocks are circumferentially arranged to press the grinding door on the shell, so that the tightness of the assembly surfaces of the grinding door and the shell is further improved.
The utility model has the advantages of ingenious conception, reasonable structure, simple overall structure, low processing requirement and low cost.
The utility model will now be described in detail with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a cross-sectional view of the present utility model.
In the drawing the view of the figure,
1-grinding door, 2-shell, 3-pin shaft, 4-connecting arm, 5-press block, 6-nut and 7-first supporting lug, 8-second lugs, 9-connecting posts, 10-grinding door handles, 11-studs, 12-tongue-shaped protrusions and 13-second pins.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.
Examples
As shown in fig. 1-2 together, the utility model provides a grinding door structure for a needle disc grinder, which comprises a shell 2 and a grinding door 1 which is arranged on the shell 2 in an openable and closable manner, wherein the grinding door 1 and the shell 2 are connected through a conical sealing structure; specifically, a door hole is formed in the shell 2, the grinding door 1 is installed in the door hole, the grinding door 1 and the door hole are circular in a matched mode, a cone frustum is arranged on the inner side of the grinding door 1, a cone hole is formed in the inner wall of the door hole, and the cone frustum and the cone hole are matched to form a cone-shaped sealing structure.
One side of the grinding door 1 is arranged on the shell 2 through an opening and closing component; the opening and closing assembly comprises a connecting arm assembly, the connecting arm assembly is of an L-shaped structure, one end of the connecting arm assembly is hinged with one end of the grinding door 1 through a pin shaft 3, and the other end of the connecting arm assembly is hinged with the shell 2 through a second pin shaft 13.
Further, the outer side surface of the grinding door 1 is a plane, and two first support lugs 7 are fixedly arranged on the outer side surface of the grinding door 1; two first lugs 7 set up and are close to subassembly one side that opens and shuts, and interval sets up about two first lugs 7, is equipped with coaxial through-hole on two first lugs 7.
The casing 2 has set firmly two second lugs 8 near the position of the subassembly that opens and shuts, and two second lugs 8 interval sets up from top to bottom, and two second lugs 8 are equipped with coaxial through-hole.
The connecting arm assembly comprises two connecting arms 4 which are arranged at intervals up and down, the two connecting arms 4 are connected through two connecting columns 9, and the connecting arms 4 and the connecting columns 9 are integrally formed or welded.
The two connecting posts 9 are respectively arranged at two ends of the connecting arm 4, and pin shaft holes are formed at two ends of the connecting arm assembly; the pin shaft hole coaxially penetrates through the connecting column; the two ends of the pin shaft hole respectively penetrate through the corresponding connecting arms 4.
The first pin shaft 3 is penetrated through a through hole of the first support lug 7 and a pin shaft hole at one end of the connecting arm assembly; the second pin shaft 13 is arranged in the pin shaft hole at the other end of the through hole technology connecting arm assembly of the second support lug 8 in a penetrating way.
The first pin shaft 3 and the second pin shaft 13 have the same structure and are cylindrical pins, and one ends of the first pin shaft 3 and the second pin shaft 13 are provided with limiting protrusions for limiting, so that the pin shafts are prevented from integrally penetrating through pin shaft holes; the other ends of the first pin shaft 3 and the second pin shaft 13 are radially provided with cotter pins in a penetrating way, and the cotter pins and the spacing protrusions limit the two ends of the pin shafts respectively.
The limiting protrusion is a circular protrusion.
One end of the outer side surface of the grinding door 1, which is far away from the opening and closing assembly, is provided with a grinding door handle 10, and the grinding door handle 10 is of a door type structure and is formed by bending round bars.
The door opening mechanism further comprises a plurality of compression assemblies, the compression assemblies are arranged on the periphery side of the door hole, and the compression assemblies are uniformly distributed in the circumferential direction; the pressing assembly comprises a stud 11 arranged on the shell 2, a pressing block 5 is movably sleeved on the stud 11, a nut 6 is arranged on the upper portion of the stud 11 in a matched mode, the pressing block 5 is fixed on the stud 11 through the nut 6, and the pressing block 5 can be loosened to move through screwing the nut 6.
The side of the pressing block 5 is provided with a tongue-shaped protrusion 12, the tongue-shaped protrusion 12 is of a flat plate structure, the distance h from the tongue-shaped protrusion 12 to the bottom of the pressing block 5 is smaller than the distance h1 from the outer side of the shell 2 to the outer side of the grinding door 1, and the difference value between h1 and h is 1-2mm. The screw nut 6 is screwed so that the tongue-shaped protrusion 12 presses the grinding door 1 against the housing 2.
The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.
Claims (10)
1. The utility model provides a grind door structure for needle disk mill, includes casing (2), has seted up the door opening on casing (2), can open and shut in the door opening and install grind door (1), grind between door (1) and casing (2) through toper seal structure connection; one side of the grinding door (1) is arranged on the shell (2) through an opening and closing component; the method is characterized in that: the opening and closing assembly comprises a connecting arm assembly, the connecting arm assembly is of an L-shaped structure, one end of the grinding door (1) is hinged with one end of the connecting arm assembly through a first pin shaft (3), and the other end of the connecting arm assembly is hinged with the shell (2) through a second pin shaft (13).
2. A gate structure for a dial grinder as set forth in claim 1, wherein: the door is characterized by further comprising a plurality of compression assemblies, wherein the compression assemblies are arranged on the outer periphery of the door hole, and the compression assemblies are circumferentially and uniformly distributed.
3. A gate structure for a dial grinder as set forth in claim 1, wherein: the outer side surface of the grinding door (1) is a plane, and two first supporting lugs (7) are fixedly arranged on the outer side surface of the grinding door (1); the two first support lugs (7) are arranged at one side close to the opening and closing assembly, the two first support lugs (7) are arranged at intervals up and down, and coaxial through holes are formed in the two first support lugs (7);
the shell (2) is close to the position of the opening and closing assembly and fixedly provided with two second support lugs (8), the two second support lugs (8) are arranged at intervals up and down, and the two second support lugs (8) are provided with coaxial through holes.
4. A gate structure for a dial grinder as set forth in claim 3, wherein: the two ends of the connecting arm assembly are provided with pin shaft holes;
the first pin shaft (3) penetrates through a through hole of the first support lug (7) and a pin shaft hole at one end of the connecting arm assembly; the second pin shaft (13) is penetrated in the pin shaft hole at the other end of the through hole technical connecting arm assembly of the second support lug (8).
5. A gate structure for a dial grinder as set forth in claim 4, wherein: the connecting arm assembly comprises two connecting arms (4) which are arranged at intervals up and down, and the two connecting arms (4) are connected through two connecting columns (9);
the two connecting columns (9) are respectively arranged at two ends of the connecting arm (4), and the pin shaft holes coaxially penetrate through the connecting columns; the two ends of the pin shaft hole respectively penetrate through corresponding connecting arms (4).
6. A gate structure for a dial grinder as set forth in claim 2, wherein: the pressing assembly comprises a stud (11) arranged on the shell (2), a pressing block (5) is movably sleeved on the stud (11), a nut (6) is connected to the upper portion of the stud (11) in a matched mode, and the pressing block (5) is fixed on the stud (11) through the nut (6).
7. A gate structure for a dial grinder as set forth in claim 6, wherein: a tongue-shaped bulge (12) is arranged on the side surface of the pressing block (5), and the tongue-shaped bulge (12) is of a flat plate structure;
the distance h from the tongue-shaped protrusion (12) to the bottom surface of the pressing block (5) is smaller than the distance h1 from the outer side surface of the shell (2) to the outer side surface of the grinding door (1), and the difference value between h1 and h is 1-2mm.
8. A gate structure for a dial grinder as set forth in claim 1, wherein: the first pin shaft (3) and the second pin shaft (13) are cylindrical pins, and one ends of the first pin shaft (3) and the second pin shaft (13) are provided with limiting protrusions; cotter pins are radially arranged at the other ends of the first pin shaft (3) and the second pin shaft (13) in a penetrating mode.
9. A gate structure for a dial grinder as set forth in claim 1, wherein: one end of the outer side surface of the grinding door (1), which is far away from the opening and closing assembly, is provided with a grinding door handle (10), and the grinding door handle (10) is of a door type structure.
10. A gate structure for a dial grinder as set forth in claim 5, wherein: the connecting arm (4) and the connecting column (9) are integrally formed or welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320081161.2U CN220059339U (en) | 2023-01-13 | 2023-01-13 | Grinding door structure for needle disc grinding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320081161.2U CN220059339U (en) | 2023-01-13 | 2023-01-13 | Grinding door structure for needle disc grinding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220059339U true CN220059339U (en) | 2023-11-21 |
Family
ID=88766933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320081161.2U Active CN220059339U (en) | 2023-01-13 | 2023-01-13 | Grinding door structure for needle disc grinding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220059339U (en) |
-
2023
- 2023-01-13 CN CN202320081161.2U patent/CN220059339U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |