High-efficiency mixing device for pencil lead manufacturing raw materials
By using a sealed airbag and a long rotating agitator design in the pencil lead manufacturing device, the sealing problem at the connection between the ink inlet tube and the ink delivery tube was solved, achieving efficient mixing of graphite and clay while protecting the environment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-03-24
AI Technical Summary
In pencil lead production, insufficient sealing at the connection between the ink inlet tube and the ink delivery tube can cause graphite dust to escape, polluting the environment and endangering the health of operators.
The ink delivery tube is wrapped in a sealed airbag, and the design of a long rotating shaft and stirring plate ensures efficient mixing of graphite and clay. The connection sealing is improved by a protective ring plate and a sealing ring.
It improves the sealing between the ink supply tube and the ink inlet tube, preventing graphite dust from escaping, ensuring mixing quality, and protecting the environment and health.
Smart Images

Figure CN224024759U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pencil core manufacturing technical field, concretely is a pencil core manufacturing raw material high -efficient mixing device. BACKGROUND
[0002] In the industrialized production process of pencil core, as the key raw material, the accurate and efficient conveying and mixing of graphite is the core link to guarantee the quality of the final product. At present, the commonly used method in the industry is to store graphite in a specific container in advance, use the ink conveying pipe as a transmission channel, pour the graphite into the ink conveying pipe, and then into the stirring barrel to mix with other raw materials. The ink conveying pipe can flexibly connect the raw material storage container and the stirring equipment, and reduce the contact of graphite with the external environment during transportation, reduce the possibility of impurities mixing, ensure the purity of graphite raw material, and reduce the complexity and labor cost of material handling.
[0003] In actual production process, the sealing between the ink conveying pipe and the ink conveying pipe has been a problem to be solved. Because there are gaps at the connection between the two, when the graphite enters the ink conveying pipe through the ink conveying pipe, part of the graphite powder is easy to escape from the gaps. This not only causes serious pollution to the surrounding environment and increases the workload of cleaning and maintenance, but also poses a potential threat to the health of the operators after inhaling the graphite dust. Therefore, we propose a pencil core manufacturing raw material high -efficient mixing device. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a pencil core manufacturing raw material high -efficient mixing device, which solves the problems in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a pencil core manufacturing raw material high -efficient mixing device, including the mixing barrel, the mixing barrel both sides near the bottom fixed installation has the support leg, the mixing barrel top intercommunication is provided with the ink pipe and the earth pipe, the ink pipe inner wall fixed installation has the sealed air bag, the ink pipe outer wall fixed installation has the air pump, the air pump output and sealed air bag between intercommunication has the air pipe, the mixing barrel one side is equipped with the disc mouth, the disc mouth rotation is connected with the connecting disc, the disc mouth outside is provided with the casing, the casing fixed installation is in the mixing barrel one side, the casing outer wall fixed installation has the motor, the connecting disc and motor transmission connection, the mixing barrel bottom intercommunication is provided with the discharge pipe, the discharge pipe is tightly covered with the stopper, the stopper passes through the fastening bolt and discharge pipe detachable connection.
[0006] Preferably, the number of long rotating shafts is four, the outer wall of the long rotating shaft is fixedly provided with a blocking ring, the inner side of the blocking ring is fixedly provided with a sealing ring two, the sealing ring two is closely attached to the outer wall surface of the connecting disc, and the sealing ring two and the connecting disc are closely attached to each other.
[0007] Preferably, the inner side of the connecting disc is fixedly provided with a protective ring plate, the outer edge of the protective ring plate is fixedly provided with a sealing ring one, the sealing ring one is closely attached to the inner wall of the mixing barrel, and the sealing ring one and the connecting disc are closely attached to each other.
[0008] Preferably, the sealing ring one and the sealing ring two are made of wear-resistant rubber, the motor output end is fixedly provided with a short rotating shaft, the short rotating shaft is movably penetrated through one side of the shell, the short rotating shaft is rotatably connected to the shell through a bearing, and the connecting disc is fixedly installed at one end of the short rotating shaft.
[0009] Preferably, the outer wall of the connecting disc is fixedly provided with a limiting ring plate, the inner wall of the disc port is provided with a limiting ring groove, and the limiting ring plate is rotatably connected to the limiting ring groove.
[0010] Preferably, the front side of the mixing barrel is hingedly connected with a barrel door, and the bottom end of the barrel door is connected with the mixing barrel through buckles.
[0011] The utility model provides a pencil core manufacturing raw material efficient mixing device.
[0012] (1) the pencil core manufacturing raw material efficient mixing device can make the sealing air bag wrap the outer surface of the ink conveying pipe when loading the graphite, thereby greatly improving the sealing property between the ink conveying pipe and the ink inlet pipe, avoiding that part of the graphite powder escapes through the gap between the ink conveying pipe and the ink inlet pipe when the graphite enters the mixing barrel through the ink inlet pipe, polluting the working environment, and the long rotating shaft drives the stirring plate to rotate while rotating, thereby fully stirring the graphite and the clay, greatly improving the mixing quality of the graphite and the clay.
[0013] (2) the pencil core manufacturing raw material efficient mixing device can improve the sealing property between the connecting disc and the disc port through the setting of the protective ring plate and the sealing ring one, and can increase the sealing property between the long rotating shaft and the connecting disc through the setting of the blocking ring and the sealing ring two, so as to ensure the flexibility of the normal rotation of the long rotating shaft, and the structure is simple and practical. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the whole structure schematic view of the utility model;
[0015] Figure 2 It is the front view structure schematic view of the utility model;
[0016] Figure 3 It is the whole structure schematic view of the utility model Figure 2 The A part enlarged structure schematic view of the utility model;
[0017] Figure 4 It is the whole structure schematic view of the utility model Figure 2 The B part enlarged structure schematic view of the utility model.
[0018] In the drawing: 1, mixing bucket; 2, shell; 3, motor; 4, short shaft; 5, connecting disc; 6, disc mouth; 7, limit ring plate; 8, limit ring groove; 9, protection ring plate; 10, sealing ring one; 11, gear; 12, gear ring; 13, long shaft; 14, baffle ring; 15, sealing ring two; 16, stirring plate; 17, ink inlet pipe; 18, soil inlet pipe; 19, air pipe; 20, sealing air bag; 21, air pump; 22, discharge pipe; 23, plug cover; 24, support leg; 25, bucket door. DETAILED DESCRIPTION
[0019] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.
[0020] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two; The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. The device or element indicated or implied must have a particular orientation, a particular orientation and operation, so it cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0021] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; It can be mechanically connected, or it can be electrically connected; It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0022] AsFigures 1-4 The utility model provides a technical scheme: a pencil core manufacturing raw material high -efficient mixing device, including mixing bucket 1, the both sides of mixing bucket 1 near bottom end fixed mounting have support leg 24, the top of mixing bucket 1 is connected with the ink pipe 17 and the soil pipe 18 of setting up, the inner wall fixed mounting of ink pipe 17 has sealed air bag 20, the outer wall fixed mounting of ink pipe 17 has air pump 21, and the output of air pump 21 is connected with sealed air bag 20 between the communication of gas pipe 19, and the one side of mixing bucket 1 is set up disc mouth 6, and disc mouth 6 is rotatably connected with connecting disc 5, and disc mouth 6 outside is provided with shell 2, and shell 2 is fixedly installed in the one side of mixing bucket 1, and the outer wall fixed mounting of shell 2 has motor 3, and the active penetration of long shaft 13 has in connecting disc 5 on connecting disc 5, and long shaft 13 is rotatably connected with connecting disc 5 through bearing, and the outer wall fixed mounting of long shaft 13 has stir plate 16, and long shaft 13 one end fixed mounting has gear 11, and the inner wall of shell 2 is set up gear ring 12, and gear 11 is engaged with gear ring 12, and connecting disc 5 is connected with motor 3 transmission, and the bottom of mixing bucket 1 is connected with the communication of discharge pipe 22, and discharge pipe 22 is tightly covered with stopper 23, and stopper 23 is detachably connected with discharge pipe 22 through fastening bolt.
[0023] The above technical scheme is specifically, when the pencil core manufacturing raw material high -efficient mixing device is used, first, the graphite and clay, water are respectively poured into the mixing bucket 1 through the ink pipe 17 and the soil pipe 18 according to the proportion, the graphite is inserted into the ink pipe 17 through the ink pipe to realize the feeding, when the ink pipe is inserted into the ink pipe 17, the air pump 21 can be started, the air pump 21 is inflated into the sealed air bag 20 through the air pipe 19, the sealed air bag 20 is inflated, the sealed air bag 20 is wrapped around the outer surface of the ink pipe, thereby greatly improving the sealing between the ink pipe and the ink pipe 17, avoiding the graphite powder escaping through the gap between the ink pipe and the ink pipe 17 when the graphite enters the mixing bucket 1 through the ink pipe 17, causing pollution to the working environment, after the graphite and clay enter the mixing bucket 1, the motor 3 can be started, the motor 3 drives the short shaft 4 to rotate, the short shaft 4 drives the connecting disc 5 to rotate, the connecting disc 5 drives the long shaft 13 to do the circular motion, the long shaft 13 drives the gear 11 to do the circular motion, the gear 11 rotates under the action of the gear ring 12, the gear 11 drives the long shaft 13 to rotate, thereby the long shaft 13 drives the stir plate 16 to rotate while doing the circular motion, thereby the graphite and clay can be fully stirred, greatly improving the mixing quality of the graphite and clay.
[0024] Further, the number of long shafts 13 is four, the outer wall of long shaft 13 is fixedly sleeved with a blocking ring 14, a sealing ring 15 is fixedly installed on the inner side of the blocking ring 14, and the sealing ring 15 is tightly attached to the outer wall surface of the connecting disc 5;
[0025] Wherein, by setting the blocking ring 14 and the sealing ring two 15, the sealing property between the long rotating shaft 13 and the connecting disc 5 can be increased, and the flexibility of the normal rotation of the long rotating shaft 13 is ensured.
[0026] Further, the protective ring plate 9 is fixedly installed on the inner side of the connecting disc 5, the sealing ring one 10 is fixedly installed on the outer edge of the protective ring plate 9, and the sealing ring one 10 is tightly attached to the inner wall of the mixing barrel 1.
[0027] Wherein, by setting the protective ring plate 9 and the sealing ring one 10, the sealing property between the connecting disc 5 and the disc mouth 6 can be improved.
[0028] Further, the material of the sealing ring one 10, the sealing ring two 15 and the sealing air bag 20 is wear-resistant rubber, the short rotating shaft 4 is fixedly installed at the output end of the motor 3, the short rotating shaft 4 movably penetrates through one side of the shell 2, the short rotating shaft 4 is rotatably connected with the shell 2 through a bearing, and the connecting disc 5 is fixedly installed at one end of the short rotating shaft 4.
[0029] Wherein, by setting the short rotating shaft 4, the motor 3 can drive the connecting disc 5 to rotate through the short rotating shaft 4.
[0030] Further, the limiting ring plate 7 is fixedly installed on the outer wall of the connecting disc 5, the limiting ring groove 8 is formed in the inner wall of the disc mouth 6, and the limiting ring plate 7 is rotatably connected with the limiting ring groove 8.
[0031] Wherein, by setting the limiting ring plate 7 and the limiting ring groove 8, the connecting disc 5 can be limited, so that the connecting disc 5 can be fixedly rotated in the disc mouth 6.
[0032] Further, the barrel door 25 is hingedly connected to the front face of the mixing barrel 1, and the barrel door 25 is connected with the mixing barrel 1 through buckles at the bottom end.
[0033] Wherein, by setting the barrel door 25, personnel can maintain and clean the inside of the mixing barrel 1 by opening the barrel door 25.
[0034] The embodiments of the present application are given for the purpose of example and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described in order to better illustrate the principles and practical application of the present application, and to enable those skilled in the art to understand the present application so as to design various embodiments with various modifications suitable for specific purposes.
Claims
1. A high-efficiency mixing device for pencil lead manufacturing raw materials, comprising a mixing barrel (1), characterized in that: The both sides of the mixing bucket (1) are fixedly installed with support legs (24) near the bottom end, ink inlet pipes (17) and soil inlet pipes (18) are communicated at the top end of the mixing bucket (1), sealing air bags (20) are fixedly installed on the inner walls of the ink inlet pipes (17), air pumps (21) are fixedly installed on the outer walls of the ink inlet pipes (17), air pipes (19) are communicated between the output ends of the air pumps (21) and the sealing air bags (20), disc openings (6) are formed in one side of the mixing bucket (1), connecting discs (5) are rotatably connected in the disc openings (6), housings (2) are arranged outside the disc openings (6), the housings (2) are fixedly installed on one side of the mixing bucket (1), motors (3) are fixedly installed on the outer walls of the housings (2), long shafts (13) are movably penetrated through the connecting discs (5), the long shafts (13) are rotatably connected with the connecting discs (5) through bearings, stirring plates (16) are fixedly installed on the outer walls of the long shafts (13), gears (11) are fixedly installed on one end of the long shafts (13), toothed rings (12) are formed in the inner walls of the housings (2), the gears (11) are engaged with the toothed rings (12), the connecting discs (5) are drivingly connected with the motors (3), discharge pipes (22) are communicated at the bottom end of the mixing bucket (1), plugs (23) are tightly covered in the discharge pipes (22), the plugs (23) are detachably connected with the discharge pipes (22) through fastening bolts.
2. The high-efficiency mixing device for pencil lead manufacturing raw materials according to claim 1, characterized in that: The number of the long shafts (13) is four, the long shafts (13) are fixedly sleeved with stop rings (14), sealing rings two (15) are fixedly installed on the inner sides of the stop rings (14), the sealing rings two (15) are tightly attached to the outer wall surfaces of the connecting discs (5).
3. The high-efficiency mixing device for pencil lead manufacturing raw materials according to claim 1, characterized in that: Sealing rings one (10) are fixedly installed on the outer edges of the protective ring plates (9), the sealing rings one (10) are tightly attached to the inner walls of the mixing buckets (1).
4. The high-efficiency mixing device for pencil lead manufacturing raw materials according to claim 3, characterized in that: The materials of the sealing rings one (10), the sealing rings two (15) and the sealing air bags (20) are wear-resistant rubber, short shafts (4) are fixedly installed at the output ends of the motors (3), the short shafts (4) are movably penetrated through one side of the housings (2), and the short shafts (4) are rotatably connected with the housings (2) through bearings, the connecting discs (5) are fixedly installed on one end of the short shafts (4).
5. The high-efficiency mixing device for pencil lead manufacturing raw materials according to claim 1, characterized in that: Limiting ring plates (7) are fixedly installed on the outer walls of the connecting discs (5), limiting ring grooves (8) are formed in the inner walls of the disc openings (6), the limiting ring plates (7) are rotatably connected with the limiting ring grooves (8).
6. The high-efficiency mixing device for pencil lead manufacturing raw materials according to claim 1, characterized in that: Bucket doors (25) are hingedly connected to the front of the mixing bucket (1), the bucket doors (25) are connected with the mixing bucket (1) through buckles at the bottom end.