阅读说明：本技术 一种具有损耗记录功能的中药生产装置 (Traditional chinese medicine apparatus for producing with loss record function ) 是由 韦佳 于 2021-07-30 设计创作，主要内容包括：本发明公开了一种具有损耗记录功能的中药生产装置,包括基座,所述基座上固定安装有支撑轴,支撑轴上套接有遮板,遮板上设置有下半钵体,下半钵体上设置有第一切割机构,第一切割机构上设置有第二切割机构,第二切割机构上设置有上半钵体,上半钵体上设置有称重盘,称重盘上设置有限位环,所述称重盘右侧套接有螺纹杆,螺纹杆周侧设置有夹板。通过设计该装置会对研磨前与研磨后的药材进行称重,记录其研磨前后的损耗误差,避免避免误差积累造成配量出现问题。通过设计该装置通过L型连接板以及螺栓对上半半钵体以及下半钵体进行连接,将螺栓拧出脱离上半钵体后,研磨的钵体以及研磨的切割组件可进行拆卸清洗。(The invention discloses a traditional Chinese medicine production device with a loss recording function, which comprises a base, wherein a supporting shaft is fixedly arranged on the base, a shielding plate is sleeved on the supporting shaft, a lower half bowl body is arranged on the shielding plate, a first cutting mechanism is arranged on the lower half bowl body, a second cutting mechanism is arranged on the first cutting mechanism, an upper half bowl body is arranged on the second cutting mechanism, a weighing disc is arranged on the upper half bowl body, a limiting ring is arranged on the weighing disc, a threaded rod is sleeved on the right side of the weighing disc, and a clamping plate is arranged on the peripheral side of the threaded rod. Through designing the device can weigh before grinding with the medicinal material after grinding, record its loss error before and after grinding, avoid the error accumulation to cause the batching problem. Through the design of the device, the upper half bowl body and the lower half bowl body are connected through the L-shaped connecting plate and the bolt, and after the bolt is screwed out and separated from the upper half bowl body, the ground bowl body and the ground cutting assembly can be detached and cleaned.)

1. A traditional Chinese medicine production device with a loss recording function comprises a base (1) and is characterized in that a supporting shaft (204) is fixedly mounted on the base (1), a shielding plate (2) is sleeved on the supporting shaft (204), a lower half bowl body (3) is arranged on the shielding plate (2), a first cutting mechanism (4) is arranged on the lower half bowl body (3), a second cutting mechanism (5) is arranged on the first cutting mechanism (4), an upper half bowl body (6) is arranged on the second cutting mechanism (5), a weighing disc (7) is arranged on the upper half bowl body (6), a limiting ring (8) is arranged on the weighing disc (7), a threaded rod (9) is sleeved on the right side of the weighing disc (7), and clamping plates (10) are arranged on the peripheral side of the threaded rod (9);

the first cutting mechanism (4) is internally provided with a first rotating disc (401), a first cutting knife (403) and a rolling roller (405), a first oblique tooth groove (402) is formed in the upper side of the inner wall of the first rotating disc (401), an outer tooth ring (404) is installed on the outer wall of the first rotating disc (401), a second rotating disc (501) and a second cutting knife (503) are arranged in the second cutting mechanism (5), a second oblique tooth groove (502) is formed in the lower side of the inner wall of the second rotating disc (501), a first bevel gear (12) is arranged in the first oblique tooth groove (402), a second bevel gear (13) is arranged on the right side of the first bevel gear (12), the right side of the second bevel gear (13) is connected with a connecting shaft (14), and a third bevel gear (15) is connected on the right side of the connecting shaft (14);

a fixed shaft (901) is arranged in the threaded rod (9), an oblique tooth socket III (902) is arranged below the fixed shaft (901), the left side of the clamping plate (10) is connected with a pressing plate (21), the upper end of the pressing plate (21) is connected with a first arc-shaped limiting pressing plate (22), the lower end of the pressing plate (21) is connected with an arc-shaped connecting plate (23), and the lower end of the arc-shaped connecting plate (23) is connected with a second arc-shaped limiting pressing plate (24);

first stop gear (19) are installed to dish (7) of weighing right side upper end, and second stop gear (20) are installed to dish (7) of weighing right side lower extreme, including stopper (1901), gag lever post (1902) in first stop gear (19), fixed cover (1903) have been cup jointed on gag lever post (1902), and fixed cover (1903) one side is connected with spring (1904), and first stop gear (19) are the same with second stop gear (20) structure.

2. The traditional Chinese medicine production device with the loss recording function according to claim 1, characterized in that a first snap ring (301) is mounted at the upper end of the lower half bowl body (3), the lower half bowl body (3) is in abutting engagement with the bottom of the first rotating disc (401) through the first snap ring (301), an L-shaped connecting plate (11) is fixedly mounted on the left side of the lower half bowl body (3), a limiting sleeve (1102) is mounted on the right side of the L-shaped connecting plate (11), and the limiting sleeve (1102) is rotatably connected with the first bevel gear (12).

3. The traditional Chinese medicine production device with the loss recording function according to claim 1, wherein a second snap ring (601) is mounted at the bottom of the upper half pot (6), the upper half pot (6) is in abutting engagement with the upper end of the second cutting mechanism (5) through the second snap ring (601), the upper half pot (6) is fixedly connected with the limiting ring (8), a limiting piece (16) is fixedly mounted on the right side of the upper half pot (6), and the right end of the limiting piece (16) is rotatably connected with the threaded rod (9) through a fixed shaft (901).

4. The production device of traditional Chinese medicine with loss recording function according to claim 3, wherein the lower end of the limiting member (16) is rotatably sleeved with the connecting shaft (14), and the connecting shaft (14) is in pressing engagement with the helical tooth groove III (902) through a third bevel gear (15).

5. The production device of traditional Chinese medicine with loss recording function according to claim 1, wherein the lower side of the first bevel gear (12) is in pressing engagement with the first inclined tooth groove (402), and the upper side of the first bevel gear (12) is in pressing engagement with the second inclined tooth groove (502).

6. The traditional Chinese medicine production device with the loss recording function according to claim 1, characterized in that a support plate (18) is installed on the right side of the lower half-bowl body (3), a motor (17) is installed above the support plate (18), a gear is connected to the upper end of the motor (17) in a driving manner, the motor (17) is connected with an outer gear ring (404) in a driving manner through the gear, and a discharging groove is formed in the bottom of the lower half-bowl body (3).

7. The traditional Chinese medicine production device with the loss recording function according to claim 1, wherein a movable groove (202) is formed in the shield plate (2), a clamp spring (203) is arranged in the movable groove (202), a stop block (201) is installed at the bottom end of the shield plate (2), the outer side of the clamp spring (203) is fixedly connected with the inner wall of the movable groove (202), the inner side of the clamp spring (203) is fixedly connected with a support shaft (204), the support shaft (204) is rotatably clamped with the shield plate (2) through the clamp spring (203), the bottom end of the support shaft (204) is fixedly installed on the base (1), and the upper end of the support shaft (204) is fixedly connected with the lower half pot body (3).

8. The traditional Chinese medicine production device with the loss recording function according to claim 1, wherein a support frame (25) is installed at the bottom end of the second arc-shaped limiting pressing plate (24), and the second arc-shaped limiting pressing plate (24) is fixedly connected with the base (1) through the support frame (25).

9. The traditional Chinese medicine production device with the loss recording function as claimed in claim 1, wherein a clamping groove is formed in the rear side of the upper end of the threaded rod (9), and a clamping groove is also formed in the front side of the lower end of the threaded rod (9).

10. The traditional Chinese medicine production device with the loss recording function according to claim 2, wherein a bolt (1101) is sleeved on the L-shaped connecting plate (11), and the L-shaped connecting plate (11) is connected with the upper half pot body (6) through the bolt (1101).

Technical Field

The invention relates to the field of medicinal material processing, in particular to a traditional Chinese medicine production device with a loss recording function.

Background

The Chinese traditional medicine theory is used for guiding collection, processing and preparation, explaining action mechanism and guiding drugs for clinical application, which are collectively called as traditional Chinese medicines, in short, the traditional Chinese medicines are substances for preventing, treating and diagnosing diseases and having rehabilitation and health care effects under the guidance of the Chinese traditional medicine theory, the traditional Chinese medicines are mainly derived from natural medicines and processed products thereof, including plant medicines, animal medicines, mineral medicines and partial chemical and biological products, because the traditional Chinese medicines are abundant in plant medicines, the theory that all medicines are based on herbs is provided, at present, more and more patients tend to treat diseases by the traditional Chinese medicine, a plurality of patients can take medicines by themselves in a pharmacy, the medicines are decocted by themselves for taking, and the medicines are ground under many conditions.

When the medicinal materials are ground, loss errors exist between the quality before grinding and the quality after grinding, and a large amount of errors are formed after the errors are accumulated after one time of grinding, so that the problem of non-ignorability of the dosage of the medicinal materials is caused. Therefore, the invention provides a traditional Chinese medicine production device with a loss recording function, so as to solve the problems in the background technology.

Disclosure of Invention

The invention aims to provide a traditional Chinese medicine production device with a loss recording function, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a traditional Chinese medicine production device with a loss recording function comprises a base, wherein a supporting shaft is fixedly mounted on the base, a shielding plate is sleeved on the supporting shaft, a lower half pot body is arranged on the shielding plate, a first cutting mechanism is arranged on the lower half pot body, a second cutting mechanism is arranged on the first cutting mechanism, an upper half pot body is arranged on the second cutting mechanism, a weighing disc is arranged on the upper half pot body, a limiting ring is arranged on the weighing disc, a threaded rod is sleeved on the right side of the weighing disc, and a clamping plate is arranged on the peripheral side of the threaded rod;

the first cutting mechanism comprises a first rotating disc, a first cutting knife and a grinding roller, a first oblique tooth groove is formed in the upper side of the inner wall of the first rotating disc, an outer tooth ring is mounted on the outer wall of the first rotating disc, a second rotating disc and a second cutting knife are arranged in the second cutting mechanism, a second oblique tooth groove is formed in the lower side of the inner wall of the second rotating disc, a second bevel gear is arranged on the right side of a first bevel gear in the first oblique tooth groove, a connecting shaft is connected to the right side of the second bevel gear, and a third bevel gear is connected to the right side of the connecting shaft;

a fixed shaft is arranged in the threaded rod, a third oblique tooth groove is formed below the fixed shaft, the left side of the clamping plate is connected with a pressing plate, the upper end of the pressing plate is connected with a first arc-shaped limiting pressing plate, the lower end of the pressing plate is connected with an arc-shaped connecting plate, and the lower end of the arc-shaped connecting plate is connected with a second arc-shaped limiting pressing plate;

the weighing plate is characterized in that a first limiting mechanism is installed at the upper end of the right side of the weighing plate, a second limiting mechanism is installed at the lower end of the right side of the weighing plate, a limiting block and a limiting rod are arranged in the first limiting mechanism, a fixed sleeve is sleeved on the limiting rod, a spring is connected to one side of the fixed sleeve, and the first limiting mechanism is identical to the second limiting mechanism in structure.

As a further scheme of the invention, a first snap ring is mounted at the upper end of the lower half bowl body, the lower half bowl body is in abutting engagement with the bottom of a first rotating disc through the first snap ring, an L-shaped connecting plate is fixedly mounted on the left side of the lower half bowl body, a limiting sleeve is mounted on the right side of the L-shaped connecting plate, and the limiting sleeve is rotationally connected with the first bevel gear.

As a further scheme of the invention, the bottom of the upper half bowl body is provided with a second clamping ring, the upper half bowl body is in abutting engagement with the upper end of the second cutting mechanism through the second clamping ring, the upper half bowl body is fixedly connected with a limiting ring, the right side of the upper half bowl body is fixedly provided with a limiting piece, and the right end of the limiting piece is rotatably connected with a threaded rod through a fixed shaft.

As a further scheme of the invention, the lower end of the limiting piece is rotatably sleeved with the connecting shaft, and the connecting shaft is in abutting engagement with the oblique tooth groove through a third bevel gear.

As a still further aspect of the present invention, the lower side of the first bevel gear is in pressing engagement with the first helical gear groove, and the upper side of the first bevel gear is in pressing engagement with the second helical gear groove.

As a further scheme of the invention, a supporting plate is arranged on the right side of the lower half bowl body, a motor is arranged above the supporting plate, the upper end of the motor is in driving connection with a gear, the motor is in driving connection with an outer gear ring through the gear, and a discharging groove is formed in the bottom of the lower half bowl body.

As a further scheme of the invention, a movable groove is formed in the shielding plate, a clamp spring is arranged in the movable groove, a stop block is arranged at the bottom end of the shielding plate, the outer side of the clamp spring is fixedly connected with the inner wall of the movable groove, the inner side of the clamp spring is fixedly connected with a support shaft, the support shaft is rotatably clamped with the shielding plate through the clamp spring, the bottom end of the support shaft is fixedly arranged with the base, and the upper end of the support shaft is fixedly connected with the lower half bowl body.

As a further scheme of the invention, a support frame is installed at the bottom end of the second arc-shaped limiting pressing plate, and the second arc-shaped limiting pressing plate is fixedly connected with the base through the support frame.

As a further scheme of the invention, the rear side of the upper end of the threaded rod is provided with a clamping groove, and the front side of the lower end of the threaded rod is also provided with a clamping groove.

As a further scheme of the invention, the L-shaped connecting plate is sleeved with a bolt and is connected with the upper half pot body through the bolt.

Compared with the prior art, the invention has the beneficial effects that:

1. through designing the device can weigh before grinding with the medicinal material after grinding, record its loss error before and after grinding, avoid the error accumulation to cause the batching problem.

2. Through the design of the device, the upper half bowl body and the lower half bowl body are connected through the L-shaped connecting plate and the bolt, and after the bolt is screwed out and separated from the upper half bowl body, the ground bowl body and the ground cutting assembly can be detached and cleaned.

Drawings

Fig. 1 is a schematic structural diagram of a traditional Chinese medicine production device with a loss recording function.

FIG. 2 is a schematic structural diagram of the upper half-bowl of a traditional Chinese medicine production device with a loss recording function.

FIG. 3 is a schematic structural diagram of a support plate in a traditional Chinese medicine production device with a loss recording function.

Fig. 4 is a schematic structural diagram of a limiting member in a traditional Chinese medicine production device with a loss recording function.

FIG. 5 is a schematic structural diagram of a first cutting mechanism in a device for producing Chinese medicine with a loss recording function.

FIG. 6 is a schematic structural diagram of a second cutting mechanism in a device for producing Chinese medicine with a loss recording function.

FIG. 7 is a schematic view of the structure of the lower half-bowl of a device for producing Chinese medicine with a loss recording function.

FIG. 8 is a schematic view of a shutter of a device for producing Chinese medicine with a loss recording function.

FIG. 9 is a schematic view of a threaded rod of a device for producing Chinese medicinal materials with loss recording function.

Fig. 10 is a sectional structure view of a first arc-shaped limiting pressing plate and a second arc-shaped limiting pressing plate in a traditional Chinese medicine production device with a loss recording function.

Fig. 11 is a sectional structure diagram of a first and a second position-limiting mechanisms in a traditional Chinese medicine production device with a loss recording function.

In the figure: 1. a base;

2. a shutter; 201. a stopper; 202. a movable groove; 203. a clamp spring; 204. a support shaft;

3. a lower half bowl body; 301. a first snap ring;

4. a first cutting mechanism; 401. a first rotating disc; 402. a first oblique tooth groove; 403. a first cutting knife; 404. an outer ring gear; 405. Rolling a roller;

5. a second cutting mechanism; 501. a second rotating disc; 502. a second oblique tooth groove; 503. a second cutting knife;

6. an upper half bowl body; 601. a snap ring II;

7. a weighing pan; 8. a limiting ring;

9. a threaded rod; 901. a fixed shaft; 902. a skewed tooth socket III;

10. a splint;

11. an L-shaped connecting plate; 1101. a bolt; 1102. a limiting sleeve;

12. a first bevel gear; 13. a second bevel gear; 14. a connecting shaft; 15. a third bevel gear; 16. a limiting member; 17. a motor; 18. a support plate;

19. a first limit mechanism; 1901. a limiting block; 1902. a limiting rod; 1903. fixing a sleeve; 1904. a spring;

20. a second limiting mechanism;

21. pressing the plate; 22. the first arc-shaped limiting pressing plate; 23. an arc-shaped connecting plate; 24. the second arc-shaped limiting pressing plate; 25. A support frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows: referring to fig. 1 to 11, in the embodiment of the invention, a traditional Chinese medicine production device with a loss recording function includes a base 1, a support shaft 204 is fixedly installed on the base 1, a shielding plate 2 is sleeved on the support shaft 204, a movable groove 202 is formed in the shielding plate 2, a snap spring 203 is arranged in the movable groove 202, a stop block 201 is installed at the bottom end of the shielding plate 2, the outer side of the snap spring 203 is fixedly connected with the inner wall of the movable groove 202, the inner side of the snap spring 203 is fixedly connected with the support shaft 204, the support shaft 204 is rotatably clamped with the shielding plate 2 through the snap spring 203, the bottom end of the support shaft 204 is fixedly installed on the base 1, and the upper end of the support shaft 204 is fixedly connected with a lower half bowl body 3; the shielding plate 2 is provided with a lower half bowl body 3, the upper end of the lower half bowl body 3 is provided with a first snap ring 301, the lower half bowl body 3 is in abutting engagement with the bottom of a first rotating disc 401 through the first snap ring 301, the left side of the lower half bowl body 3 is fixedly provided with an L-shaped connecting plate 11, the right side of the L-shaped connecting plate 11 is provided with a limiting sleeve 1102, and the limiting sleeve 1102 is rotationally connected with a first bevel gear 12;

the lower half bowl body 3 is provided with a first cutting mechanism 4, the first cutting mechanism 4 is provided with a second cutting mechanism 5, the second cutting mechanism 5 is provided with an upper half bowl body 6, the upper half bowl body 6 is provided with a weighing disc 7, the weighing disc 7 is provided with a limiting ring 8, the right side of the weighing disc 7 is sleeved with a threaded rod 9, the periphery of the threaded rod 9 is provided with a clamping plate 10, the right side of the lower half bowl body 3 is provided with a supporting plate 18, a motor 17 is arranged above the supporting plate 18, the upper end of the motor 17 is in driving connection with a gear, the motor 17 is in driving connection with an outer gear ring 404 through the gear, and the bottom of the lower half bowl body 3 is provided with a discharging groove;

the bottom of the upper half-bowl body 6 is provided with a second snap ring 601, the upper half-bowl body 6 is in abutting engagement with the upper end of the second cutting mechanism 5 through the second snap ring 601, the upper half-bowl body 6 is fixedly connected with a limiting ring 8, the right side of the upper half-bowl body 6 is fixedly provided with a limiting part 16, the right end of the limiting part 16 is rotatably connected with a threaded rod 9 through a fixed shaft 901, the lower end of the limiting part 16 is rotatably sleeved with a connecting shaft 14, and the connecting shaft 14 is in abutting engagement with a third helical gear 902 through a third bevel gear 15;

the first cutting mechanism 4 comprises a first rotating disc 401, a first cutting knife 403 and a grinding roller 405, a first oblique tooth groove 402 is formed in the upper side of the inner wall of the first rotating disc 401, an outer toothed ring 404 is mounted on the outer wall of the first rotating disc 401, a second rotating disc 501 and a second cutting knife 503 are included in the second cutting mechanism 5, a second oblique tooth groove 502 is formed in the lower side of the inner wall of the second rotating disc 501, a first bevel gear 12 is arranged in the first oblique tooth groove 402, the lower side of the first bevel gear 12 is in abutting-pressing engagement with the first oblique tooth groove 402, the upper side of the first bevel gear 12 is in abutting-pressing engagement with the second oblique tooth groove 502, a second bevel gear 13 is arranged on the right side of the first bevel gear 12, a connecting shaft 14 is connected to the right side of the second bevel gear 13, and a third bevel gear 15 is connected to the right side of the connecting shaft 14;

a fixed shaft 901 is arranged in the threaded rod 9, a clamping groove is formed in the rear side of the upper end of the threaded rod 9, a clamping groove is also formed in the front side of the lower end of the threaded rod 9, an oblique tooth socket III 902 is formed below the fixed shaft 901, a pressing plate 21 is connected to the left side of the clamping plate 10, a first arc limiting pressing plate 22 is connected to the upper end of the pressing plate 21, an arc connecting plate 23 is connected to the lower end of the pressing plate 21, a second arc limiting pressing plate 24 is connected to the lower end of the arc connecting plate 23, a support frame 25 is mounted at the bottom end of the second arc limiting pressing plate 24, and the second arc limiting pressing plate 24 is fixedly connected with the base 1 through the support frame 25;

first stop gear 19 is installed to 7 right sides upper ends of weighing dish, and second stop gear 20 is installed to 7 right sides lower extreme of weighing dish, including stopper 1901, gag lever post 1902 in the first stop gear 19, fixed cover 1903 has been cup jointed on the gag lever post 1902, and fixed cover 1903 one side is connected with spring 1904, and first stop gear 19 is the same with second stop gear 20 structure.

Example two: on the basis of the previous embodiment, the bolts 1101 are sleeved on the L-shaped connecting plates 11, the L-shaped connecting plates 11 are connected with the upper half-bowl body 6 through the bolts 1101, the upper half-bowl body 6 and the lower half-bowl body 3 are connected through the L-shaped connecting plates 11 and the bolts 1101, and after the bolts 1101 are screwed out of the upper half-bowl body 6, the ground bowl bodies and the ground cutting assembly can be detached and cleaned.

The working principle of the invention is as follows:

the device is internally provided with a cutting and grinding bowl body consisting of an upper half bowl body 6, a first cutting mechanism 4, a second cutting mechanism 5 and a lower half bowl body 3, a motor 17 drives a gear to rotate an outer gear ring 404 on the first cutting mechanism 4, so that a first rotary table 401 drives a first cutting knife 403 and a grinding roller 405 to rotate, the first rotary table 401 drives a second rotary table 501 to rotate through a first bevel gear 12, the second rotary table 501 drives a second cutting knife 502 to rotate, the first cutting knife 402 is matched with the second cutting knife 502 to crush medicinal materials, and the grinding roller 405 is convenient to grind the medicinal materials;

a limiting ring 8 is arranged above the upper half pot body 6, the medicinal material is placed on a weighing disc 7 through the limiting ring 8, the weighing disc 7 weighs the medicinal material before rolling, the inner first cutting mechanism 4 and the second cutting mechanism 5 are driven through a motor 17, the second bevel gear 13 is used for driving the third bevel gear 15 to be matched with a bevel gear groove III 902 on the threaded rod 9, the threaded rod 9 rotates, the limiting rod 1902 in the first limiting mechanism 19 is clamped with the clamping groove, the weighing disc 7 and the threaded rod 9 rotate together, when the weighing disc 7 rotates, the medicinal material falls onto the first cutting knife 403 for cutting, the limiting rod 1902 in the first limiting mechanism 19 is in contact with the first arc-shaped limiting pressing plate 22 and is pressed through the spring 1904, so that the limiting rod 1902 slowly breaks away from the threaded rod 9, when the limiting rod 1902 completely breaks away from the threaded rod 9, the weighing disc 7 rotates for 180 degrees, after the limiting rod 1902 is separated from the threaded rod 9, the weighing plate 7 moves downwards along with the rotation of the threaded rod 9 and the pressing and limiting of the limiting rod 1902 on the pressing plate 21;

when weighing dish 7 moves down to make second stop gear 20 get into the spacing clamp plate 24 that supports of second arc, gag lever post 1902 in the first stop gear 19 breaks away from the spacing of supporting clamp plate 21, and weighing dish 7 rotates along with threaded rod 9, and weighing dish 7 after the rotation supports sunshade 2 through dog 201 and presses away, makes the medicinal material after rolling drop to bear on dish 7, carries out the weight record after rolling, calculates the weight of loss from this.

After motor 17 drives gear antiport, weigh dish 7 and reversely make gag lever post 1902 and the splint 10 bottom plate inboard in the first stop gear 19 support with the splint inboard to press, it is spacing to form, gag lever post 1902 in the second stop gear 20 breaks away from the spacing clamp plate 24 of supporting of second arc simultaneously and rises upwards, until first stop gear 19 return to in the spacing clamp plate 22 of supporting of first arc, correspond the back with the draw-in groove, rotate back to spacing ring 8 lower extreme to gag lever post 1902 of 19 is again with the draw-in groove joint in the first stop gear.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.