CN218942260U - Stem ball loosening device - Google Patents
Stem ball loosening device Download PDFInfo
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- CN218942260U CN218942260U CN202223225130.4U CN202223225130U CN218942260U CN 218942260 U CN218942260 U CN 218942260U CN 202223225130 U CN202223225130 U CN 202223225130U CN 218942260 U CN218942260 U CN 218942260U
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Abstract
The utility model provides a loosening device for cut stem clusters, which comprises: the upper loosening roller extends along a first direction, a plurality of first roller nail rows extending along the first direction are arranged on the circumferential surface of the upper loosening roller, each first roller nail row comprises a plurality of first roller nails which are sequentially arranged along the first direction, and each first roller nail extends along the radial direction of the upper loosening roller; the lower loosening roller is parallel to the upper loosening roller and arranged below the upper loosening roller, a plurality of second roller nail rows extending along the first direction are arranged on the circumferential surface of the lower loosening roller, each second roller nail row comprises a plurality of second roller nails which are sequentially arranged along the first direction, and each second roller nail extends along the radial direction of the lower loosening roller; the rotation direction of the upper loosening roller is the same as that of the lower loosening roller, and the rotation speed of the upper loosening roller is greater than that of the lower loosening roller. According to the utility model, the cut tobacco and the stem sticks in the cut stem clusters can be loosened, so that operators can recycle the cut tobacco and the stem sticks in the follow-up procedures conveniently, and the waste of materials is avoided.
Description
Technical Field
The utility model relates to the technical field of cut stem processing devices, in particular to a cut stem cluster loosening device.
Background
In the industrial production of cigarettes, the stem sticks contained in the cut tobacco not only can produce the conditions of popping, flameout, head dropping, cigarette puncturing and the like, but also can cause the problems of strip running, blockage, abrasion of parts of a cigarette making machine and the like in the production process of cigarettes. Therefore, in the cigarette production process, the stems in the tobacco shreds are removed through secondary air separation to ensure the purity of the tobacco shreds.
However, a lot of tobacco shreds are mixed in the stem sticks removed by secondary air separation, and the tobacco shreds and the stem sticks are entangled together to form stem shred clusters with different sizes. In the prior art, the cut stem clusters cannot be loosened, so that cut tobacco and cut stems in the cut stem clusters cannot be separated, the cut stem clusters cannot be recycled and treated as waste, and material waste is caused.
Disclosure of Invention
The utility model aims to solve the technical problem that the tobacco shreds and the stems in the cut stem clusters cannot be separated loosely at present, so that the material is wasted. The utility model provides a loosening device for cut stem clusters, which can loosen cut tobacco and stem sticks in the cut stem clusters, so that operators can conveniently separate and recycle the cut tobacco and the stem sticks in the follow-up procedures, and the waste of materials is avoided.
In order to solve the technical problems, the embodiment of the utility model provides a loosening device for cut stem clusters, which comprises:
the upper loosening roller extends along a first direction, a plurality of first roller nail rows extending along the first direction are arranged on the circumferential surface of the upper loosening roller, each first roller nail row is uniformly arranged along the circumferential direction of the upper loosening roller, each first roller nail row comprises a plurality of first roller nails which are sequentially arranged along the first direction, and each first roller nail extends along the radial direction of the upper loosening roller;
the lower loosening roller is parallel to the upper loosening roller and arranged below the upper loosening roller, a plurality of second roller nail rows extending along the first direction are arranged on the circumferential surface of the lower loosening roller, each second roller nail row is uniformly arranged along the circumferential direction of the lower loosening roller, each second roller nail row comprises a plurality of second roller nails sequentially arranged along the first direction, and each second roller nail extends along the radial direction of the lower loosening roller;
the rotation direction of the upper loosening roller is the same as that of the lower loosening roller, and the rotation speed of the upper loosening roller is greater than that of the lower loosening roller.
Optionally, the first roller nail row includes a first matrix and a plurality of first roller nails disposed on the first matrix, the first matrix is in a strip shape, each first roller nail is sequentially arranged along the extending direction of the first matrix, the first roller nails are in a conical shape, the diameters of the first roller nails are gradually reduced from the first ends of the first roller nails to the second ends of the first roller nails, and the first ends of the first roller nails are connected with the first matrix;
the second roller nail row comprises a second matrix and a plurality of second roller nails arranged on the second matrix, the second matrix is strip-shaped, the second roller nails are sequentially arranged along the extending direction of the second matrix, the second roller nails are conical, the diameters of the second roller nails are gradually reduced from the first ends of the second roller nails to the second ends of the second roller nails, and the first ends of the second roller nails are connected with the second matrix.
Optionally, a plurality of first mounting grooves extending along the first direction are formed in the circumferential surface of the upper loosening roller, and each first substrate is respectively embedded in each first mounting groove; the circumference of the lower loosening roller is provided with a plurality of second mounting grooves extending along the first direction, and each second substrate is respectively embedded in each second mounting groove.
Optionally, the distance between the second end of the first roller pin and the axis of the upper loosening roller is a first extension length, the distance between the second end of the second roller pin and the axis of the lower loosening roller is a second extension length, and the axial distance between the upper loosening roller and the lower loosening roller is smaller than the sum of the first extension length and the second extension length.
Alternatively, when a first row of staples intersects a second row of staples during rotation, each first staple in the first row of staples alternates with each second staple in the second row of staples one by one in the first direction.
Optionally, the second end of the first roller nail is provided with a first hook part, the first hook part is provided with a first hook groove, when the first roller nail rotates from bottom to top, the opening of the first hook groove faces upwards, and when the first roller nail rotates from top to bottom, the opening of the first hook groove faces downwards;
the second end of second roller nail is equipped with the second hook portion, is equipped with the second hook groove on the second hook portion, and when the second roller nail rotated from bottom to top, the opening in second hook groove was up, and when the second roller nail rotated from top to bottom, the opening in second hook groove was down.
Optionally, the speed ratio of the upper loosening roller to the lower loosening roller is 1.3:1.
Optionally, the number of the first roller nail rows and the second roller nail rows is 6.
Optionally, the method further comprises:
the first rotating shaft is connected with the upper loosening roller;
the first driving wheel is arranged on the first rotating shaft, and the axis of the first rotating shaft, the axis of the upper loosening roller and the axis of the first driving wheel are overlapped;
the second rotating shaft is connected with the lower loosening roller;
the second driving wheel is arranged on the second rotating shaft, and the axis of the second rotating shaft, the axis of the lower loosening roller and the axis of the second driving wheel are overlapped;
the transmission piece is arranged between the first transmission wheel and the second transmission wheel, and the transmission piece can transmit power between the first transmission wheel and the second transmission wheel;
and the output end of the motor is connected with the first rotating shaft or the second rotating shaft.
Optionally, the upper loosening roller, the lower loosening roller, the first roller pin row, and the second roller pin row are each made of a hard metal material.
Compared with the prior art, the utility model has the following beneficial effects:
the embodiment comprises an upper loosening roller with a first roller nail and a lower loosening roller with a second roller nail, when the cut stem clusters are conveyed to the lower loosening roller, the second roller nail can hang the cut stem clusters in the process of rotating along with the lower loosening roller, and the cut stem clusters are conveyed upwards; when the cut stem clusters are transferred to the upper loosening roller, the first roller nails can also hang the cut stem clusters in the rotating process, and the cut stem clusters are continuously conveyed upwards; because the rotating speed of the upper loosening roller is larger than that of the lower loosening roller, the cut stem clusters can be pulled by the first roller nails and the second roller nails, and accordingly the loosening of the cut stem clusters is achieved. The loosened material is then thrown upward with the rotation of the first and second rollers and transferred to the other side of the upper and lower loosening rollers. By adopting the technical scheme, the tobacco shreds and the stem sticks in the cut stem clusters can be loosened, so that operators can conveniently separate and recycle the tobacco shreds and the stem sticks in the follow-up procedures, and the waste of materials is avoided.
Drawings
Fig. 1 shows a schematic view I of a loosening device for cut stems according to an embodiment of the present utility model;
fig. 2 shows a schematic diagram II of a loosening device for cut stems according to an embodiment of the present utility model;
FIG. 3 shows an enlarged partial view of portion A of FIG. 1;
FIG. 4 shows an enlarged partial view of portion B of FIG. 2;
fig. 5 shows a partial enlarged view of the portion C in fig. 2.
Reference numerals:
1. upper loose roller 11, first mounting groove, first roller nail row, 21, first roller nail, 211, first hook groove, 22, first base, 3, lower loose roller, 31, second mounting groove, 4, second roller nail row, 41, second roller nail, 411, second hook groove, 42, second base, 5, first rotary shaft, 51, first drive wheel, 6, second rotary shaft, 61, second drive wheel, 7, drive piece, 8, motor.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present specification, by describing the embodiments of the present utility model with specific examples. While the description of the utility model will be described in connection with the preferred embodiments, it is not intended to limit the inventive features to the implementation. Rather, the purpose of the utility model described in connection with the embodiments is to cover other alternatives or modifications, which may be extended by the claims based on the utility model. The following description contains many specific details for the purpose of providing a thorough understanding of the present utility model. The utility model may be practiced without these specific details. Furthermore, some specific details are omitted from the description in order to avoid obscuring the utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
It should be noted that in this specification, like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present embodiment, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present utility model.
The terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
In the description of the present embodiment, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present embodiment can be understood in a specific case by those of ordinary skill in the art.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings. The "upper" direction in the present embodiment is the direction indicated by the arrow Y in fig. 2, the "lower" direction in the present embodiment is the direction opposite to the direction indicated by the arrow Y in fig. 2, the "right" direction in the present embodiment is the direction indicated by the arrow Z in fig. 2, and the "left" direction in the present embodiment is the direction opposite to the direction indicated by the arrow Z in fig. 2.
The embodiment of the utility model provides a device for loosening a cut stem cluster, which comprises an upper loosening roller 1 and a lower loosening roller 3. Referring to fig. 1 and 2 (fig. 2 is a left side view of the upper loosening roller 1 and the lower loosening roller 3 in fig. 1), the upper loosening roller 1 extends in a first direction (as shown in an X direction in fig. 1), a plurality of first roller nail rows 2 extending in the first direction are provided on a circumferential surface of the upper loosening roller 1, each first roller nail row 2 is uniformly arranged along a circumferential direction of the upper loosening roller 1, each first roller nail row 2 includes a plurality of first roller nails 21 sequentially arranged along the first direction, and each first roller nail 21 extends along a radial direction of the upper loosening roller 1; the lower loosening roller 3 is parallel to the upper loosening roller 1, the lower loosening roller 3 is positioned below the upper loosening roller 1, a plurality of second roller nail rows 4 extending along the first direction are arranged on the circumferential surface of the lower loosening roller 3, each second roller nail row 4 is uniformly arranged along the circumferential direction of the lower loosening roller 3, each second roller nail row 4 comprises a plurality of second roller nails 41 sequentially arranged along the first direction, and each second roller nail 41 extends along the radial direction of the lower loosening roller 3; the rotation direction of the upper loosening roller 1 is the same as that of the lower loosening roller 3, and the rotation speed of the upper loosening roller 1 is larger than that of the lower loosening roller 3. Illustratively, in the present embodiment, the number of the first roller pin rows 2 and the second roller pin rows 4 is 6; the upper loosening roller 1 rotates along the direction R1 in FIG. 2, the lower loosening roller 3 rotates along the direction R2 in FIG. 2, and the rotation speed ratio of the upper loosening roller 1 to the lower loosening roller 3 is 1.3:1; the cut stem clusters are transported in the Z direction in fig. 2, i.e. the cut stem clusters need to be transported from the left side of the loosening device to the right side of the loosening device during production.
When the cut stem clusters are conveyed to the lower loosening roller 3 from the left side of the loosening device, the second roller nails 41 positioned at the left side of the lower loosening roller 3 rotate from bottom to top, and the second roller nails 41 can hang the cut stem clusters in the rotating process so as to convey the cut stem clusters upwards; when the cut stem clusters are transferred to the upper loosening roller 1, the first roller nails 21 positioned at the left side of the upper loosening roller 1 can also hang the cut stem clusters in the rotating process, and the cut stem clusters are continuously conveyed upwards; since the rotation speed of the upper loosening roller 1 is greater than that of the lower loosening roller 3, the cut stem clusters are pulled by the first roller nails 21 and the second roller nails 41, thereby loosening the cut stem clusters. The loosened material is then thrown upwards with the rotation of the first 21 and second 41 nails and to the right of the upper 1 and lower 3 loosening rollers. By adopting the technical scheme, the tobacco shreds and the stem sticks in the cut stem clusters can be loosened, so that operators can conveniently separate and recycle the tobacco shreds and the stem sticks in the follow-up procedures, and the waste of materials is avoided. In addition, because the axial distance between the upper loosening roller 1 and the lower loosening roller 3 is fixed, the long stem sticks in the cut stem clusters can be pulled into fixed lengths and then pulled apart through the differential operation of the upper loosening roller 1 and the lower loosening roller 3, so that the fixed-length loosening of the cut stem clusters is realized.
Alternatively, referring to fig. 1 to 3, the first roll pin row 2 includes a first base 22 and a plurality of first roll pins 21 provided on the first base 22, the first base 22 is in a strip shape, the first roll pins 21 are sequentially arranged along an extending direction of the first base 22, the first roll pins 21 are in a conical shape, diameters of the first roll pins 21 are gradually reduced from a first end of the first roll pins 21 to a second end of the first roll pins 21, and the first end of the first roll pins 21 is connected with the first base 22. The second roller nail row 4 comprises a second substrate 42 and a plurality of second roller nails 41 arranged on the second substrate 42, the second substrate 42 is strip-shaped, the second roller nails 41 are sequentially arranged along the extending direction of the second substrate 42, the second roller nails 41 are conical, the diameters of the second roller nails 41 are gradually reduced from the first ends of the second roller nails 41 to the second ends of the second roller nails 41, and the first ends of the second roller nails 41 are connected with the second substrate 42.
Optionally, the circumferential surface of the upper loosening roller 1 is provided with a plurality of first mounting grooves 11 extending along the first direction, and each first substrate 22 is respectively embedded in each first mounting groove 11; the lower loosening roller 3 has a plurality of second mounting grooves 31 extending in the first direction on the circumferential surface thereof, and each second base 42 is fitted into each second mounting groove 31. By embedding the first and second rows of staples 2, 4 in the first and second mounting grooves 11, 31, respectively, replacement of the first and second rows of staples 2, 4 may be facilitated.
Alternatively, the distance between the second end of the first roller pin 21 and the axis of the upper loosening roller 1 is a first extension length, the distance between the second end of the second roller pin 41 and the axis of the lower loosening roller 3 is a second extension length, and the axial distance between the upper loosening roller 1 and the lower loosening roller 3 is smaller than the sum of the first extension length and the second extension length. That is, when one first roll pin row 2 is rotated between the upper loosening roller 1 and the lower loosening roller 3, the first roll pin row 2 is interposed between two adjacent second roll pin rows 4 disposed along the circumferential direction of the lower loosening roller 3, as shown in fig. 2; accordingly, when one second roll pin row 4 is rotated between the upper loosening roller 1 and the lower loosening roller 3, the second roll pin row 4 is interposed between adjacent two first roll pin rows 2 disposed along the circumferential direction of the upper loosening roller 1. Further, referring to fig. 3, when one first roller pin row 2 intersects one second roller pin row 4 during rotation, each first roller pin 21 in the first roller pin row 2 and each second roller pin 41 in the second roller pin row 4 are alternately arranged one by one in the first direction. By adopting the technical scheme, the first roller nails 21 and the second roller nails 41 are matched in a staggered manner, so that the cut stem clusters can be effectively prevented from passing through gaps between the first roller nails 21 and the second roller nails 41.
Alternatively, referring to fig. 4 and 5, the second end of the first roller nail 21 is provided with a first hook portion, the first hook portion is provided with a first hook groove 211, when the first roller nail 21 rotates from bottom to top, the opening of the first hook groove 211 faces upwards, and when the first roller nail 21 rotates from top to bottom, the opening of the first hook groove 211 faces downwards; the second end of the second roller nail 41 is provided with a second hook part, the second hook part is provided with a second hook slot 411, when the second roller nail 41 rotates from bottom to top, the opening of the second hook slot 411 faces upwards, and when the second roller nail 41 rotates from top to bottom, the opening of the second hook slot 411 faces downwards.
Taking the orientation shown in fig. 2 as an example, when the first and second nails 21 and 41 are rotated from bottom to top, since the openings of the first and second hooking grooves 211 and 411 are upward as shown in fig. 5, the cut stem clusters on the left side of the loosening device can be firmly hooked by the first and second hooking grooves 211 and 422, thereby preventing the cut stem clusters from sliding off from the ends of the first and second nails 21 and 41 during the rising process. When the first and second nails 21 and 41 are rotated from top to bottom, since the openings of the first and second hooking grooves 211 and 411 are downward as shown in fig. 4, the first and second hooking grooves 211 and 411 do not catch the cut stem clusters any more, thereby preventing the cut stem clusters from being caught at the ends of the first and second nails 21 and 41 during the falling of the right side of the loosening device.
Optionally, the present embodiment further includes a first rotating shaft 5, a first driving wheel 51, a second rotating shaft 6, a second driving wheel 61, a driving member 7, and a motor 8. The first rotating shaft 5 is connected with the upper loosening roller 1, the first driving wheel 51 is arranged on the first rotating shaft 5, and the axis of the first rotating shaft 5, the axis of the upper loosening roller 1 and the axis of the first driving wheel 51 are overlapped; the second rotating shaft 6 is connected with the lower loosening roller 3, the second driving wheel 61 is arranged on the second rotating shaft 6, and the axis of the second rotating shaft 6, the axis of the lower loosening roller 3 and the axis of the second driving wheel 61 are overlapped; the transmission member 7 is disposed between the first transmission wheel 51 and the second transmission wheel 61, the transmission member 7 can transmit power between the first transmission wheel 51 and the second transmission wheel 61, and an output end of the motor 8 is connected with the first rotating shaft 5 or the second rotating shaft 6. Illustratively, in the present embodiment, the first driving wheel 51 and the second driving wheel 61 are synchronous pulleys, the driving member 7 is a synchronous belt sleeved on the first driving wheel 51 and the second driving wheel 61, and the motor 8 is connected with the upper loosening roller 1 through a gear set. When the device works, the motor 8 drives the first rotating shaft 5 and the upper loosening roller 1 to rotate through the gear set, and the first rotating shaft 5 drives the second rotating shaft 6 and the lower loosening roller 3 to rotate through the first driving wheel 51, the driving piece 7 and the second driving wheel 61, so that synchronous rotation of the upper loosening roller 1 and the lower loosening roller 3 is realized.
Optionally, the upper loosening roller 1, the lower loosening roller 3, the first row of rollers 2 and the second row of rollers 4 are all made of a hard metal material, which may enhance the wear resistance of the loosening device. Illustratively, the upper loosening roller 1, the lower loosening roller 3, the first roller spike row 2 and the second roller spike row 4 may be made of stainless steel or screw steel.
While the utility model has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a further detailed description of the utility model with reference to specific embodiments, and it is not intended to limit the practice of the utility model to those descriptions. Various changes in form and detail may be made therein by those skilled in the art, including a few simple inferences or alternatives, without departing from the spirit and scope of the present utility model.
Claims (10)
1. A shredded stalk cluster loosening device, comprising:
the upper loosening roller extends along a first direction, a plurality of first roller nail rows extending along the first direction are arranged on the circumferential surface of the upper loosening roller, the first roller nail rows are uniformly arranged along the circumferential direction of the upper loosening roller, each first roller nail row comprises a plurality of first roller nails which are sequentially arranged along the first direction, and each first roller nail extends along the radial direction of the upper loosening roller;
the lower loosening roller is parallel to the upper loosening roller and arranged below the upper loosening roller, a plurality of second roller nail rows extending along the first direction are arranged on the circumferential surface of the lower loosening roller, the second roller nail rows are uniformly arranged along the circumferential direction of the lower loosening roller, each second roller nail row comprises a plurality of second roller nails sequentially arranged along the first direction, and each second roller nail extends along the radial direction of the lower loosening roller;
the rotation direction of the upper loosening roller is the same as that of the lower loosening roller, and the rotation speed of the upper loosening roller is greater than that of the lower loosening roller.
2. The device for loosening stem clusters as defined in claim 1, wherein said first row of pins comprises a first base and a plurality of said first pins provided on said first base, said first base being in the shape of a strip, each of said first pins being arranged in sequence along the direction of extension of said first base, said first pins being in the shape of a cone, the diameter of said first pins being gradually reduced from a first end of said first pin to a second end of said first pin, said first end of said first pin being connected to said first base;
the second roller nails are arranged in sequence along the extending direction of the second substrate, the second roller nails are conical, the diameters of the second roller nails are gradually reduced from the first end of the second roller nails to the second end of the second roller nails, and the first end of the second roller nails are connected with the second substrate.
3. The loosening device for cut stem clusters as claimed in claim 2, wherein a plurality of first installation grooves extending in the first direction are formed in the circumferential surface of the upper loosening roller, and each of the first substrates is respectively embedded in each of the first installation grooves; the lower loosening roller is characterized in that a plurality of second mounting grooves extending along the first direction are formed in the circumferential surface of the lower loosening roller, and each second substrate is respectively inlaid in each second mounting groove.
4. The device of claim 2, wherein a distance between a second end of the first roller pin and an axis of the upper loosening roller is a first extended length, a distance between a second end of the second roller pin and an axis of the lower loosening roller is a second extended length, and a distance between axes of the upper loosening roller and the lower loosening roller is less than a sum of the first extended length and the second extended length.
5. The apparatus for loosening a stem cluster as defined in claim 4, wherein each of said first rows of said first pins and each of said second rows of said second pins alternate one with the other in said first direction when one of said first rows of pins intersects one of said second rows of pins during rotation.
6. The loosening device for stem clusters as claimed in claim 2, wherein the second end of the first roller pin is provided with a first hook portion, a first hook groove is formed in the first hook portion, when the first roller pin rotates from bottom to top, an opening of the first hook groove faces upwards, and when the first roller pin rotates from top to bottom, an opening of the first hook groove faces downwards;
the second end of second roller nail is equipped with the second hook portion, be equipped with the second hook groove on the second hook portion, when the second roller nail from bottom to top rotates, the opening in second hook groove up, when the second roller nail from top to bottom rotates, the opening in second hook groove down.
7. The device for loosening stem clusters as claimed in any one of claims 1 to 6, wherein the rotation speed ratio of the upper loosening roller to the lower loosening roller is 1.3:1.
8. The device for loosening a stem cluster as defined in any one of claims 1 to 6, wherein the number of the first and second rows of pins is 6.
9. The device for loosening a stem cluster as defined in any one of claims 1 to 6, further comprising:
the first rotating shaft is connected with the upper loosening roller;
the first driving wheel is arranged on the first rotating shaft, and the axis of the first rotating shaft, the axis of the upper loosening roller and the axis of the first driving wheel are overlapped;
the second rotating shaft is connected with the lower loosening roller;
the second driving wheel is arranged on the second rotating shaft, and the axis of the second rotating shaft, the axis of the lower loosening roller and the axis of the second driving wheel are overlapped;
the transmission piece is arranged between the first transmission wheel and the second transmission wheel, and the transmission piece can transmit power between the first transmission wheel and the second transmission wheel;
and the output end of the motor is connected with the first rotating shaft or the second rotating shaft.
10. The device for loosening a stem pellet as defined in any one of claims 1 to 6, wherein the upper loosening roller, the lower loosening roller, the first roller pin row, and the second roller pin row are each made of a hard metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223225130.4U CN218942260U (en) | 2022-12-02 | 2022-12-02 | Stem ball loosening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223225130.4U CN218942260U (en) | 2022-12-02 | 2022-12-02 | Stem ball loosening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218942260U true CN218942260U (en) | 2023-05-02 |
Family
ID=86137889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223225130.4U Active CN218942260U (en) | 2022-12-02 | 2022-12-02 | Stem ball loosening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218942260U (en) |
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2022
- 2022-12-02 CN CN202223225130.4U patent/CN218942260U/en active Active
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