CN117299321A - Traditional chinese medicine medicinal material rubbing machine - Google Patents

Traditional chinese medicine medicinal material rubbing machine Download PDF

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Publication number
CN117299321A
CN117299321A CN202311286077.5A CN202311286077A CN117299321A CN 117299321 A CN117299321 A CN 117299321A CN 202311286077 A CN202311286077 A CN 202311286077A CN 117299321 A CN117299321 A CN 117299321A
Authority
CN
China
Prior art keywords
kneading
disc
primary
hinged
chinese medicine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202311286077.5A
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Chinese (zh)
Inventor
曾海华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huazhou Huayi Chinese Medicine Decoction Pieces Co ltd
Original Assignee
Huazhou Huayi Chinese Medicine Decoction Pieces Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huazhou Huayi Chinese Medicine Decoction Pieces Co ltd filed Critical Huazhou Huayi Chinese Medicine Decoction Pieces Co ltd
Priority to CN202311286077.5A priority Critical patent/CN117299321A/en
Publication of CN117299321A publication Critical patent/CN117299321A/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J3/00—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00—Disintegrating plant with or without drying of the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B02C4/30—Shape or construction of rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B02C4/42—Driving mechanisms; Roller speed control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00—Crushing or disintegrating by disc mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00—Crushing or disintegrating by disc mills
    • B02C7/11—Details
    • B02C7/12—Shape or construction of discs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J2200/00—General characteristics or adaptations
    • A61J2200/20—Extrusion means, e.g. for producing pharmaceutical forms

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Abstract

The invention relates to a traditional Chinese medicine material kneading machine which comprises a storage device, a primary kneading device, a kneading disc and a driving device, wherein the storage device is arranged above the primary kneading device and feeds materials to the primary kneading device; the bottom of the primary kneading device is provided with a discharge hole, the bottom of the primary kneading device is arranged on the kneading disc and moves circularly around the center of the kneading disc under the action of the driving device, and the upper surface of the kneading disc is provided with a plurality of convex edges. Compared with the prior art, the invention has the following main beneficial effects: (1) realizing secondary kneading, and more fully kneading. And (2) the kneading effect is improved, and the kneading efficiency is high. And (3) the kneading is even, and the kneading effect is good.

Description

Traditional chinese medicine medicinal material rubbing machine
Technical Field
The invention relates to the technical field of traditional Chinese medicine processing, in particular to a traditional Chinese medicine kneading machine.
Background
The skin and meat are easy to separate in the drying process, so that the medicinal materials are loosened and soaked, and the skin and meat are closely adhered in the drying process, so that the purposes of oil lubrication, plumpness, softness or translucency and the like, such as polygonatum, dangshen, pseudo-ginseng and the like, are achieved. In addition, as the root and stem of the astragalus mongholicus are destroyed after being rubbed, the flexibility of the medicinal materials is higher, and the medicinal value of the medicinal materials is easier to be exerted. In the prior art, the medicinal material rubbing machine generally uses two or more rubbing rollers to make the rubbing rollers rotate to rub the medicinal material at the bottom of the rubbing rollers, for example, the Chinese patent document with publication number of CN215611861U discloses a medicinal material rubbing machine, a motor of the medicinal material rubbing machine is fixed at the transverse middle part of the front end of the lower layer of a large frame, a motor shaft is connected with a driving transmission shaft through a belt pulley, and a lower roller driving chain wheel is connected with a lower roller driven chain wheel at the right end of a lower roller shaft through a belt; the driving guide gear is meshed with a driven guide gear on a driven transmission shaft above a longitudinal middle driving transmission shaft on the front side of the big frame, an upper roller driving chain wheel arranged at the right end of the driven transmission shaft is connected with a main chain of an upper roller shaft through a chain, the upper roller and the lower roller relatively rotate, and the purpose of effective kneading can be achieved when medicinal materials pass through the middle of the upper roller and the lower roller without damaging the internal structure of the upper roller driving chain wheel. However, in this way, the medicinal materials mainly move transversely from the feed inlet to the discharge outlet, and the medicinal materials are mainly concentrated at the bottom of the device, so that part of the medicinal materials cannot be fully rubbed, and the medicinal materials between two adjacent rubbing rollers and between the outer diameter of the rubbing roller and the rubbing barrel cannot be rubbed, so that the rubbing is uneven.
Therefore, in order to solve the problems in the prior art, there is a need to provide a traditional Chinese medicine kneading technology with sufficient and uniform kneading and high efficiency.
Disclosure of Invention
The invention aims to avoid the defects in the prior art and provide a traditional Chinese medicine material kneading machine which is fully and uniformly kneaded and has high efficiency.
The aim of the invention is achieved by the following technical scheme:
provides a traditional Chinese medicine material kneading machine, which comprises a storage device, a primary kneading device, a kneading disc and a driving device,
the storage device is arranged above the primary kneading device and feeds materials to the primary kneading device;
the bottom of the primary kneading device is provided with a discharge hole, the bottom of the primary kneading device is arranged on the kneading disc and moves circularly around the center of the kneading disc under the action of the driving device, and the upper surface of the kneading disc is provided with a plurality of convex edges.
Preferably, the disc surface of the kneading disc is in a circular bucket shape, and a discharge opening is arranged in the center position.
Preferably, the ribs are arranged in an arc shape, and one ends of the ribs are converged at the discharge opening.
Preferably, at least one annular convex ring is arranged outside the discharge opening.
Preferably, the primary kneading device comprises a kneading outer cylinder and a kneading inner wheel, and kneading convex strips are arranged on the inner wall of the kneading outer cylinder and the outer wall of the kneading inner wheel.
Preferably, the upper part of the rubbing inner wheel is conical, the lower part is reverse conical, and the middle part is cylindrical; the bottom of the kneading outer cylinder is provided with a bucket-shaped material guide.
Preferably, the kneading inner wheel is equipped with an independent rotary drive.
Preferably, the driving device comprises a motor, a transmission shaft, a first bevel gear, a second bevel gear, a rotating shaft, a connecting piece, a connecting vertical rod, an articulated arm and an articulated supporting component,
the motor drives the transmission shaft to rotate, the transmission shaft is provided with a first bevel gear, a second bevel gear is arranged on the rotation shaft, and the first bevel gear and the second bevel gear are meshed for transmission; the lower end of the rotating shaft is fixedly connected with the rubbing inner wheel;
the rotating shaft is fixedly connected with a connecting piece, the upper end of the connecting vertical rod is arranged on the connecting piece, the lower end of the connecting vertical rod is connected with the convex arm of the kneading outer cylinder and is hinged with one end of the hinge arm, and the other end of the hinge arm is hinged with the hinge support assembly.
Preferably, the number of the convex arms of the kneading outer cylinder is more than two, the connecting vertical rods, the hinged arms and the hinged support assemblies is the same as that of the convex arms, and one convex arm, one connecting vertical rod, one hinged arm and one group of hinged support assemblies jointly form one hinged unit;
the hinge support assembly is disposed at an outer portion of the kneading disc.
Preferably, the hinge support assembly includes a leg, a bearing, and a pin rotatably mounted to the leg through the hinge arm via the bearing.
Advantageous effects of the invention
The traditional Chinese medicine material kneading machine comprises a storage device, a primary kneading device, a kneading disc and a driving device, wherein the storage device is arranged above the primary kneading device and feeds materials to the primary kneading device; the bottom of the primary kneading device is provided with a discharge hole, the bottom of the primary kneading device is arranged on the kneading disc and moves circularly around the center of the kneading disc under the action of the driving device, and the upper surface of the kneading disc is provided with a plurality of convex edges. Compared with the prior art, the invention has the following main beneficial effects:
(1) The primary kneading is performed at the feeding stage, and the secondary kneading can be realized by matching with the kneading disc, so that the kneading is more sufficient.
(2) The upper surface of the kneading disc is provided with the convex edges, the bottom of the primary kneading device moves circularly on the kneading disc to be similar to the grinding disc, and the gravity of the primary kneading device is utilized to give certain pressure to the kneaded traditional Chinese medicine materials, so that the kneading effect is improved. Meanwhile, the contact area between the bottom of the primary kneading device and the kneading disc is large, and the kneading efficiency is high. In addition, the primary kneading device performs circular motion to gradually drive the kneaded traditional Chinese medicine materials to move towards the discharge opening in the center of the kneading disc, and the total time of the same motion is prolonged, so that the traditional Chinese medicine materials are fully kneaded.
(3) The traditional Chinese medicine materials kneaded by the invention are in a state of advancing movement while kneading in the whole process of feeding from the upper part to discharging from the lower part, so that each piece/block of medicine materials are fully and uniformly kneaded, the problem of incomplete kneading or uneven kneading is generally avoided, and the kneading effect is good.
Drawings
The invention is further illustrated by the accompanying drawings, the content of which does not constitute any limitation of the invention.
Fig. 1 is a schematic structural view of an embodiment of the present invention.
Fig. 2 is a schematic top view of an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of the structure of fig. 2 A-A.
Fig. 4 is a schematic view of a kneading disc of one embodiment of the present invention.
Fig. 5 is a schematic view of a kneading disc of another embodiment of the present invention.
Fig. 1 to 5 include:
storage device: 1-1 storage vat and 1-2 charging hole;
a primary kneading device: 2-1 of kneading outer cylinder, 2-2 of kneading inner wheel, 2-3 of kneading convex strip, 2-4 of discharge port, 2-5 of bucket type material guide and 2-6 of convex arm;
3 kneading disc: 3-1 convex edges, 3-2 discharge openings, 3-3 channels and 3-4 annular convex rings;
a driving device: 4-1 transmission shaft, 4-2 first bevel gear, 4-3 second bevel gear, 4-4 rotation shaft, 4-5 connecting piece, 4-6 connecting vertical rod, 4-7 articulated arm, 4-8 landing leg, 4-9 bearing and 4-10 pin shaft.
Description of the embodiments
The invention will be further described with reference to the following examples and figures.
Example 1
The traditional Chinese medicine material rubbing machine of the embodiment comprises a storage device, a primary rubbing device, a rubbing disc 3 and a driving device, wherein the storage device is arranged above the primary rubbing device and feeds materials to the primary rubbing device, the storage device of the embodiment is a storage barrel 1-1, and a feeding port 1-2 is arranged at the top of the storage barrel 1-1.
In this embodiment, the primary rubbing device includes a rubbing outer cylinder 2-1 and a rubbing inner cylinder 2-2, wherein the inner wall of the rubbing outer cylinder 2-1 and the outer wall of the rubbing inner cylinder 2-2 are both provided with rubbing ribs 2-3, the rubbing inner cylinder 2-2 is equipped with an independent rotation driving device (mainly composed of a motor and a transmission device), the bottom of the rubbing outer cylinder 2-1 is provided with a discharge port 2-4, and the rubbing inner cylinder 2-2 is driven by the rotation driving device to rotate so as to rub medicinal materials located between the rubbing outer cylinder 2-1 and the rubbing inner cylinder 2-2 by using the rubbing ribs 2-3 and feed the medicinal materials slowly to the rubbing disc 3.
The upper part of the inner rubbing wheel 2-2 of the embodiment is conical, so that medicinal materials can fall between the inner wall of the outer rubbing cylinder 2-1 and the outer wall of the inner rubbing wheel 2-2, the middle part of the inner rubbing wheel is cylindrical, the inner wall of the outer rubbing cylinder 2-1 can be matched with the medicinal materials to achieve a good rubbing effect, the lower part of the inner rubbing wheel is of an inverted conical shape, and meanwhile, the bottom of the inner part of the outer rubbing cylinder 2-1 is provided with a bucket-shaped material guide 2-5, so that the medicinal materials which are subjected to primary rubbing can be guided to be discharged from a discharge port 2-4 at the bottom of the outer rubbing cylinder 2-1 and fall onto the rubbing disc 3. The bottom of the primary kneading device is placed on the kneading disc 3 and moves circularly around the center of the kneading disc 3 under the action of the driving device, so that the Chinese medicinal materials are kneaded.
For better kneading, the plate surface of the kneading plate 3 is in a circular bucket shape, an annular convex ring 3-43-2 is arranged in the center position, a plurality of arc-shaped convex ribs 3-1 are arranged on the upper surface of the kneading plate 3, and one ends of the plurality of convex ribs 3-1 are converged on the annular convex ring 3-43-2. So that an arc-shaped downward inclined channel 3-3 with wide outside and narrow inside is formed between two adjacent convex edges 3-1, and under the continuous feeding and the rotary kneading propulsion of the primary kneading device, medicinal materials move along the channel 3-3 to the annular convex ring 3-43-2 until falling from the annular convex ring 3-43-2 to a collecting box. In order to ensure that the medicinal materials are sufficiently kneaded, the diameter of the bottom of the kneading outer cylinder 2-1 of the present embodiment is larger than the radius of the kneading disc 3.
The driving device of the present embodiment may be a device of the prior art, so long as the driving device can drive the primary kneading device to perform a circular motion around the center of the kneading disc 3, which is not described herein, and the structure and the working principle of the driving device will be apparent to those skilled in the art.
Example 2
The present embodiment is modified on the basis of embodiment 1, and features not explained in the present embodiment are explained in embodiment 1, and are not described in detail herein. This embodiment differs from embodiment 1 in that: at least one ring of annular convex ring is arranged outside the annular convex ring 3-43-2 of the kneading disc 3, and the annular convex ring can reduce the sliding speed of medicinal materials and increase kneading in different directions, so that the medicinal materials are kneaded more fully.
Example 3
The main technical solution of the present embodiment is substantially the same as that of embodiment 1 or embodiment 2, and features that are not explained in the present embodiment are explained in embodiment 1 or embodiment 2, and are not described herein. This embodiment differs from embodiment 1 in that:
the driving device of the embodiment comprises a motor (not shown in the figure), a transmission shaft 4-1, a first bevel gear 4-2, a second bevel gear 4-3, a rotating shaft 4-4, a connecting piece 4-5, a connecting vertical rod 4-6, a hinged arm 4-7 and a hinged support component, wherein the motor drives the transmission shaft 4-1 to rotate, the transmission shaft 4-1 is provided with the first bevel gear 4-2, the second bevel gear 4-3 is arranged on the rotating shaft 4-4, and the first bevel gear 4-2 and the second bevel gear 4-3 are in meshed transmission; the rotating shaft 4-4 is fixedly connected with a connecting piece 4-5, the upper end of a connecting vertical rod 4-6 is arranged on the connecting piece 4-5, the lower end of the connecting vertical rod 4-6 is connected with the convex arm 2-6 of the kneading outer cylinder 2-1 and is hinged with one end of a hinged arm 4-7, and the other end of the hinged arm 4-7 is hinged with a hinged supporting component. Articulation here means that the connected components cannot move relative to each other at the connection, but can be connected in a relatively rotatable manner, without having to use a hinge for connection.
In the embodiment, more than two protruding arms 2-6 of the kneading outer cylinder 2-1 are arranged, the number of connecting vertical rods 4-6, the number of hinged arms 4-7 and the number of hinged support components are the same as the number of the protruding arms 2-6, and one protruding arm 2-6, one connecting vertical rod 4-6, one hinged arm 4-7 and one group of hinged support components jointly form a hinged unit; the hinge support members are provided at the outside of the kneading disc 3 so that the primary kneading-like operation is more stable. The hinge support assembly comprises a supporting leg 4-8, a bearing 4-9 and a pin shaft 4-10, wherein the pin shaft 4-10 penetrates through the hinge arm 4-7 and is rotatably arranged on the supporting leg 4-8 through the bearing 4-9. Meanwhile, the kneading disc 3 is arranged on the supporting legs 4-8, so that the structure is more compact, the space is saved, and no additional support is added.
The lower end of the rotating shaft 4-4 is fixedly connected with the rubbing inner wheel 2-2, so that the rubbing inner wheel 2-2 can be rotated while the primary rubbing device is driven to move, an independent rotating driving device is not required to be installed, and the equipment cost and the energy consumption are saved.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention and are not intended to limit the scope of the claims. It will be appreciated by those skilled in the art that changes may be made to the embodiments described and illustrated herein, and equivalents may be substituted for elements thereof without departing from the true spirit and scope of the embodiments.

Claims (10)

1. A traditional Chinese medicine kneading machine is characterized in that: comprises a storage device, a primary kneading device, a kneading disc and a driving device,
the storage device is arranged above the primary kneading device and feeds materials to the primary kneading device;
the bottom of the primary kneading device is provided with a discharge hole, the bottom of the primary kneading device is arranged on the kneading disc and moves circularly around the center of the kneading disc under the action of the driving device, and the upper surface of the kneading disc is provided with a plurality of convex edges.
2. The traditional Chinese medicine kneading machine according to claim 1, wherein: the disc surface of the kneading disc is in a circular bucket shape, and a discharge opening is arranged in the center.
3. The traditional Chinese medicine kneading machine according to claim 2, wherein: the ribs are arranged in an arc shape, and one ends of the ribs are converged at the discharge opening.
4. A machine for kneading chinese medicinal materials according to claim 3, wherein: at least one annular convex ring is arranged outside the discharge opening.
5. The traditional Chinese medicine kneading machine according to claim 1, wherein: the primary kneading device comprises an outer kneading barrel and an inner kneading barrel, and kneading convex strips are arranged on the inner wall of the outer kneading barrel and the outer wall of the inner kneading barrel.
6. The machine of claim 5, wherein: the upper part of the kneading inner wheel is conical, the lower part of the kneading inner wheel is inverted conical, and the middle part of the kneading inner wheel is cylindrical; the bottom of the kneading outer cylinder is provided with a bucket-shaped material guide.
7. The machine of claim 5, wherein: the kneading inner wheel is equipped with an independent rotary drive.
8. The traditional Chinese medicine kneading machine according to claim 1, wherein: the driving device comprises a motor, a transmission shaft, a first bevel gear, a second bevel gear, a rotating shaft, a connecting piece, a connecting vertical rod, an articulated arm and an articulated supporting component,
the motor drives the transmission shaft to rotate, the transmission shaft is provided with the first bevel gear, the second bevel gear is arranged on the rotation shaft, the first bevel gear and the second bevel gear are in meshed transmission, and the lower end of the rotation shaft is fixedly connected with the kneading inner wheel;
the rotary shaft is fixedly connected with a connecting piece, the upper end of the connecting vertical rod is mounted on the connecting piece, the lower end of the connecting vertical rod is connected with the convex arm of the kneading outer cylinder and hinged with one end of the hinged arm, and the other end of the hinged arm is hinged with the hinged support assembly.
9. The machine of claim 8, wherein: the number of the connecting vertical rods, the hinged arms and the hinged support components is the same as that of the protruding arms, and one protruding arm, one connecting vertical rod, one hinged arm and one group of hinged support components jointly form one hinged unit;
the hinge support assembly is disposed outside the kneading disc.
10. The machine of claim 8, wherein: the hinge support assembly comprises a supporting leg, a bearing and a pin shaft, wherein the pin shaft penetrates through the hinge arm and is rotatably installed on the supporting leg through the bearing.
CN202311286077.5A 2023-10-07 2023-10-07 Traditional chinese medicine medicinal material rubbing machine Withdrawn CN117299321A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311286077.5A CN117299321A (en) 2023-10-07 2023-10-07 Traditional chinese medicine medicinal material rubbing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311286077.5A CN117299321A (en) 2023-10-07 2023-10-07 Traditional chinese medicine medicinal material rubbing machine

Publications (1)

Publication Number Publication Date
CN117299321A true CN117299321A (en) 2023-12-29

Family

ID=89287986

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311286077.5A Withdrawn CN117299321A (en) 2023-10-07 2023-10-07 Traditional chinese medicine medicinal material rubbing machine

Country Status (1)

Country Link
CN (1) CN117299321A (en)

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Application publication date: 20231229

WW01 Invention patent application withdrawn after publication