CN211837512U - Novel chalk manufacturing device - Google Patents
Novel chalk manufacturing device Download PDFInfo
- Publication number
- CN211837512U CN211837512U CN202020379493.5U CN202020379493U CN211837512U CN 211837512 U CN211837512 U CN 211837512U CN 202020379493 U CN202020379493 U CN 202020379493U CN 211837512 U CN211837512 U CN 211837512U
- Authority
- CN
- China
- Prior art keywords
- stirring
- partition plate
- feeding
- fine
- material partition
- 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.)
- Active
Links
Images
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model relates to a novel chalk preparation device belongs to chalk production technical field. Comprises a stirring device, wherein a material feeding device is correspondingly arranged at a discharge port of the stirring device; the stirring device comprises a conical stirring drum, the stirring drum is a hollow stirring drum, the hollow stirring drum is communicated with a water inlet pipe and a water outlet pipe, the upper end of the stirring drum is provided with a large opening, and a coarse material partition plate, a fine material partition plate and a fine material partition plate are sequentially arranged on the stirring drum from top to bottom; a first feed inlet and a second feed inlet are sequentially formed in the mixing drum from top to bottom, the first feed inlet is arranged above the coarse material partition plate, and the second feed inlet is arranged between the coarse material partition plate and the fine material partition plate. The utility model discloses add the raw materials in grades, the heating stirring, the chalk raw materials of production mix more evenly, and the texture is durable, and the dust is few.
Description
Technical Field
The utility model relates to a novel chalk preparation device belongs to chalk production technical field.
Background
Although chalk is dusty, the chalk is still an important blackboard writing demonstration mode in teaching activities at present. Especially for primary schools, middle schools and even universities, when on-site demonstration is needed, the chalk is still frequently applied, and the chalk has the characteristics of smooth and clear writing and easiness in wiping.
The traditional chalk adopts calcium carbonate (limestone), calcium sulfate (gypsum) and calcium oxide, and also contains other small amount of metals and heavy metal elements such as lead, manganese, chromium, barium, cadmium and the like, and during teaching, a large amount of dust is generated during writing, thus seriously harming the health of teachers and students.
The existing chalk has the following defects:
1. the chalk is easy to break and break, and the blackboard writing effect and the blackboard writing speed are influenced, so that the field teaching effect is influenced;
2. the chalk has much dust, and when the chalk is used for writing on site and wiping on site, the dust flies, so that the health of teachers and students is influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide a novel chalk making devices, add the raw materials in grades, the heating stirring, the chalk raw materials mixture of production is more even, and the texture is durable, and the dust is few.
The novel chalk manufacturing device comprises a stirring device, wherein a discharge port of the stirring device is correspondingly provided with a feeding device; the stirring device comprises a conical stirring cylinder, the stirring cylinder is a hollow stirring cylinder, the hollow stirring cylinder is communicated with a water inlet pipe and a water outlet pipe, the upper end of the stirring cylinder is large in opening, a coarse material partition plate, a fine material partition plate and a fine material partition plate are sequentially arranged on the stirring cylinder from top to bottom, a long-strip-shaped coarse feeding port is formed in the coarse material partition plate, a fine feeding port is formed in the fine material partition plate, a stirring shaft penetrates through the coarse material partition plate, the fine material partition plate and the fine material partition plate, a coarse stirring rod, a fine stirring rod and a feeding stirring rod are sequentially arranged on the stirring shaft from top to bottom, the coarse stirring rod is arranged above the coarse material partition plate, the fine stirring rod is arranged between the coarse material partition plate and the fine material; a first feed inlet and a second feed inlet are sequentially formed in the mixing drum from top to bottom, the first feed inlet is arranged above the coarse material partition plate, and the second feed inlet is arranged between the coarse material partition plate and the fine material partition plate.
Working process or working principle:
the upper part of the mixing drum is provided with a feeding hole, raw materials are fed from the upper part of the mixing drum, the mixing shaft can be connected with a mixing driving device, the mixing driving device can be a mixing motor, and the mixing motor drives the mixing shaft to rotate so as to drive the coarse mixing rod, the fine mixing rod and the feeding mixing rod to rotate; the coarse feed is stirred by a coarse stirring rod, and the powder raw material ground by the ball mill is sent into a stirring cylinder from a first feeding port;
the raw material mixed powder raw material falls into the next layer, the fine stirring rod continues to stir, the raw material needing to be melted is added through the second feeding port, the feeding stirring rod continues to stir, and the uniformly mixed raw material is fed into the feeding device through the fine feeding port.
Hot water and water vapor are sent in from the water inlet pipe and flow out from the water outlet pipe, and materials in the mixing drum are heated and uniformly mixed through the hollow mixing drum. The produced chalk has more uniform mixing of raw materials, firm texture and less dust.
Further preferably, the feeding device comprises a feeding shaft, a feeding shell is arranged outside the feeding shaft, spiral blades are arranged on the feeding shaft, and a feeding port is formed in the output end of the feeding shell; the first end of the feeding shaft penetrates through the feeding shell to be connected with a feeding gear, and the feeding gear is a gear with missing teeth. The feeding port is communicated with the chalk forming die, and the uniformly mixed raw materials are fed into the chalk forming die through the feeding device and are cooled and formed.
Further preferably, the device further comprises a driving device, a driving shaft of the driving device is provided with a driving wheel, and the driving wheel is meshed with the feeding gear.
Further preferably, the water inlet pipe is arranged at the bottom of the stirring barrel; the water outlet pipe is arranged at the top of the mixing drum.
Further preferably, the feeding shell is square at the upper part and semicircular at the bottom part along the cross section of the feeding shaft.
Further preferably, the coarse material outlet is obliquely arranged relative to the diameter of the coarse material clapboard.
Further preferably, the number of the rough stirring rods is 3 around the stirring shaft, and the number of the rough stirring rods is at least 2 in the direction of the stirring shaft.
Further preferably, 4 fine stirring rods are arranged around the stirring shaft; at least 2 fine stirring rods are arranged in the direction of the stirring shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up (mixing) shaft, thick poking bar, coarse fodder baffle, thin poking bar, thin material baffle, pay-off poking bar, beneficiated burden material baffle, first charge door and second charge door, the raw materials separately adds to it heats the stirring, raw materials misce bene, the chalk shaping is even, and the texture is durable, and the dust is few.
2. Through setting up scarce tooth pay-off gear, intermittent type nature send the fodder, can replace chalk forming die, through removing chalk forming die to the department of stewing cooling shaping, do not occupy the on-the-spot production space, realize continuous production, improved production efficiency.
Drawings
Figure 1 is a schematic perspective view of an embodiment of the present invention,
fig. 2 is a second schematic perspective view of an embodiment of the present invention,
figure 3 is a schematic structural view of an embodiment of the present invention,
figure 4 is a schematic cross-sectional view a-a of figure 3,
FIG. 5 is a schematic sectional view of the structure of B-B in FIG. 4,
figure 6 is a schematic cross-sectional view of C-C of figure 4,
figure 7 is a schematic cross-sectional view of D-D of figure 4,
fig. 8 is an enlarged schematic view of E in fig. 1.
In the figure: 1. the stirring device 2, the feeding device 3 and the driving device;
1.1, 1.2 of a mixing drum, 1.3 of a coarse mixing rod, 1.4 of a mixing shaft, 1.5 of a first feeding port, 1.6 of a second feeding port, 1.7 of a fine mixing rod, 1.8 of a feeding mixing rod, 1.9 of a coarse feeding port, 1.10 of a fine feeding port, 1.11 of a fine material partition plate, 1.12 of a fine feeding port, 1.13 of a fine material partition plate, 1.14 of a coarse material partition plate, 1.15 of a water outlet pipe and a water inlet pipe;
2.1, 2.2 of a feeding shell, 2.3 of a feeding port I, 2.4 of a feeding port II, 2.5 of a feeding gear, 2.6 of a feeding shaft and a spiral blade;
3.1, motor 3.2, drive shaft 3.3, drive wheel.
Detailed Description
The technical solution in the embodiments of the present invention will be further clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention:
example 1
As shown in fig. 1 to 8, the novel chalk manufacturing device of the present invention comprises a stirring device 1, wherein a material feeding device 2 is correspondingly arranged at a discharge port of the stirring device 1; the stirring device 1 comprises a conical stirring cylinder 1.1, the stirring cylinder 1.1 is a hollow stirring cylinder, the hollow stirring cylinder is communicated with a water inlet pipe 1.15 and a water outlet pipe 1.14, the opening at the upper end of the stirring cylinder 1.1 is large, a coarse material partition plate 1.13, a fine material partition plate 1.10 and a fine material partition plate 1.12 are sequentially arranged on the stirring cylinder 1.1 from top to bottom, a long strip-shaped coarse feed opening 1.8 is formed in the coarse material partition plate 1.13, a fine feed opening 1.9 is formed in the fine material partition plate 1.10, a fine feed opening 1.11 is formed in the fine material partition plate 1.12, a stirring shaft 1.13, the fine material partition plate 1.10 and the fine material partition plate 1.12 penetrate through the coarse material partition plate 1.13, a stirring shaft 1.3 is arranged in the stirring cylinder 1.1, a coarse stirring rod 1.2, a fine stirring rod 1.6 and a feeding stirring rod 1.7 are sequentially arranged on the stirring shaft 1.3 from top to bottom, the coarse stirring rod 1.13 is arranged above the fine material partition plate 1.13, and the stirring rod 1.7 is arranged between the fine material partition plate 1.12; a first feed inlet 1.4 and a second feed inlet 1.5 are sequentially arranged on the mixing drum 1.1 from top to bottom, the first feed inlet 1.4 is arranged above the coarse material partition plate 1.13, and the second feed inlet 1.5 is arranged between the coarse material partition plate 1.13 and the fine material partition plate 1.10. The stirring shaft can be connected with a stirring driving device, and the stirring driving device can be a stirring motor. First charge door and second charge door can regularly be reinforced alone, can more accurate control addition, and the layering is added, and the stirring is more even.
The feeding device 2 comprises a feeding shaft 2.5, a feeding shell 2.1 is arranged outside the feeding shaft 2.5, a spiral blade 2.6 is arranged on the feeding shaft 2.5, and a feeding port is arranged at the output end of the feeding shell 2.1; the first end of the feeding shaft 2.5 penetrates through the feeding shell 2.1 to be connected with a feeding gear 2.4, and the feeding gear 2.4 is a gear with missing teeth. The number of missing teeth of the feeding gear 2.4 can be set according to the intermittent time of actual needs.
The device further comprises a driving device 3, a driving wheel 3.3 is arranged on a driving shaft 3.2 of the driving device 3, and the driving wheel 3.3 is meshed with the feeding gear 2.4. The drive means may be a motor 3.1.
The coarse feed opening 1.8 is arranged at an angle to the diameter of the coarse separator 1.13.
The number of the rough stirring rods 1.2 is 3 around the stirring shaft 1.3, and the number of the rough stirring rods 1.2 is at least 2 in the direction of the stirring shaft 1.3. 4 fine stirring rods 1.6 are arranged around the stirring shaft 1.3; the number of the fine stirring rods 1.6 is at least 2 in the direction of the stirring shaft 1.3. 3 coarse stirring rods are arranged on the cross section of the stirring shaft and surround 1.3 stirring shafts; 4 fine stirring rods 1.6 are arranged on the cross section of the stirring shaft and surround the stirring shaft 1.3; the stirring space of the rough stirring rod is larger, the fine stirring rod can stir more uniformly, and the characteristics of each layer of feed are fully considered.
Example 2
The feeding shell 2.1 has a square upper part and a semicircular bottom part along the cross section of the feeding shaft 2.5. The discharge gate is located on the semicircle bottom, and the discharge gate can set up according to actual production needs, as shown in fig. 1-2, can set up pay-off mouth one 2.2 and pay-off mouth two 2.3. The feeding port I and the feeding port II are respectively communicated with independent chalk forming molds, materials are injected into the chalk forming mold I from the feeding port I, and after the materials are cooled and solidified, the materials are demoulded and formed to obtain chalk; and injecting the material into a second chalk forming die from the second feeding port, cooling and solidifying, and demolding to form the chalk. The rest is the same as example 1.
Working process or working principle:
the chalk is prepared from the following raw materials, by weight, 30 parts of titanium dioxide, 50 parts of gypsum powder, 3 parts of ceramic powder, 5 parts of palm wax, 5 parts of paraffin, 5 parts of castor oil, 2 parts of fatty acid amide, 15 parts of polyethylene glycol, 5 parts of butyl oleate, 2 parts of acid dye and 150 parts of water.
1. Stirring: hot water and steam are fed in from a water inlet pipe and discharged from a water outlet pipe, materials in a stirring cylinder are heated through a hollow stirring cylinder, a feeding hole is formed in the upper portion of the stirring cylinder, the castor oil, the fatty acid amide, the polyethylene glycol, the barium sulfate, the acid dye and the water in parts by weight are fed in from the upper portion of the stirring cylinder, and a stirring motor drives a stirring shaft to rotate to drive a coarse stirring rod, a fine stirring rod and a feeding stirring rod to rotate; stirring the raw materials by a rough stirring rod; adding the titanium dioxide, the gypsum powder and the ceramic powder into a ball mill for grinding; then adding the raw materials from a first feeding port, stirring the raw materials, then dropping the raw materials into the next layer from a coarse feeding port, continuously stirring by using a fine stirring rod, adding the paraffin, the palm wax, the fatty alcohol-polyoxyethylene ether and the butyl oleate in parts by weight from a second feeding port, and heating and melting the paraffin, the palm wax, the fatty alcohol-polyoxyethylene ether and the butyl oleate; adding through a second feed inlet; heating and melting the raw materials by a hollow stirring drum, after stirring, allowing the raw materials to fall into the next layer from a fine feed opening, continuously stirring by a feeding stirring rod, and feeding the materials into a feeding shell from a fine feed opening; the lower part of the mixing drum is provided with a discharge hole, and the fine feed hole is the discharge hole. The hollow mixing drum is always kept at a proper temperature, so that the materials are uniformly mixed, the prepared chalk is uniform in components, firm and durable in texture and less in dust.
The viscosity and the lubricating effect of the palm wax and the castor oil enable the manufactured environment-friendly chalk to have the effects of being soft in quality, easy to write and capable of keeping moisture, the scattering of dust of the chalk in writing is avoided, meanwhile, the manufactured chalk powder is enabled to be finer and smoother through ball milling and temperature keeping injection molding, warm heat forming is achieved, the smoothness of the chalk writing is improved, the dust generated in the forming is reduced, the texture is firm, and the dust is less.
The heating temperature of hot water and steam in the hollow stirring cylinder can be 95-105 ℃; typically, the hot water and steam heating temperature may be 98 ℃ ± 2 ℃.
2. Feeding, cooling and forming: the motor drives the feeding shaft to rotate through the driving wheel and the feeding gear, and the spiral blade pushes the materials to be gradually fed out from the feeding port I and the feeding port II; and respectively injecting the materials into a chalk forming mold, and demolding and forming the chalk after the materials are cooled and solidified.
The feeding gear is a tooth-missing gear, materials are pushed intermittently, enough time is left, the chalk forming die is replaced, and the chalk forming die is moved to a standing position for cooling forming, so that the on-site production space is not occupied, the continuous production is realized, and the production efficiency is improved. The two feeding ports are arranged, so that feeding can be simultaneously performed on the chalk forming die, and the generation efficiency is improved.
The utility model discloses in to the direction of structure and the description of relative position relation, it is right not to constitute like the description from top to bottom all around the utility model discloses a restriction only is the description convenient.
Claims (7)
1. A novel chalk manufacturing device is characterized by comprising a stirring device (1), wherein a feeding device (2) is correspondingly arranged at a discharge hole of the stirring device (1);
the stirring device (1) comprises a conical stirring cylinder (1.1), the stirring cylinder (1.1) is a hollow stirring cylinder, the hollow stirring cylinder is communicated with a water inlet pipe (1.15) and a water outlet pipe (1.14), the upper end of the stirring cylinder (1.1) is large in opening, the stirring cylinder (1.1) is sequentially provided with a coarse material partition plate (1.13), a fine material partition plate (1.10) and a fine material partition plate (1.12) from top to bottom, the coarse material partition plate (1.13) is provided with a long strip-shaped coarse feeding port (1.8), the fine material partition plate (1.10) is provided with a fine feeding port (1.9), the fine feeding port (1.12) is provided with a fine feeding port (1.11), the fine feeding port (1.11) penetrates through the coarse material partition plate (1.13), the fine material partition plate (1.10) and the fine material partition plate (1.12), a stirring shaft (1.3) is arranged in the stirring cylinder (1.1.1), the stirring shaft (1.3) is sequentially provided with a coarse stirring rod (1.2), the coarse stirring rod (1.6) and the stirring rod (1.7) is, the fine stirring rod (1.6) is arranged between the coarse material partition plate (1.13) and the fine material partition plate (1.10), and the feeding stirring rod (1.7) is arranged between the fine material partition plate (1.10) and the fine material partition plate (1.12); a first feed inlet (1.4) and a second feed inlet (1.5) are sequentially formed in the mixing drum (1.1) from top to bottom, the first feed inlet (1.4) is arranged above the coarse material partition plate (1.13), and the second feed inlet (1.5) is arranged between the coarse material partition plate (1.13) and the fine material partition plate (1.10).
2. The novel chalk manufacturing device according to claim 1, characterized in that the feeding device (2) comprises a feeding shaft (2.5), a feeding shell (2.1) is arranged outside the feeding shaft (2.5), the feeding shaft (2.5) is provided with a spiral blade (2.6), and the output end of the feeding shell (2.1) is provided with a feeding port; the first end of the feeding shaft (2.5) penetrates through the feeding shell (2.1) to be connected with the feeding gear (2.4), and the feeding gear (2.4) is a gear with missing teeth.
3. The novel chalk manufacturing device according to claim 2, characterized by further comprising a driving device (3), wherein a driving wheel (3.3) is arranged on a driving shaft (3.2) of the driving device (3), and the driving wheel (3.3) is meshed with the feeding gear (2.4).
4. The novel chalk manufacturing device according to claim 1, characterized in that the water inlet pipe (1.15) is arranged at the bottom of the mixing drum (1.1); the water outlet pipe (1.14) is arranged at the top of the mixing drum (1.1).
5. A new chalk making device according to any one of claims 1-4, characterized in that the coarse feed opening (1.8) is arranged obliquely in relation to the diameter of the coarse partition (1.13).
6. A novel chalk making device as defined in claim 5, characterized in that the rough mixing roller (1.2) is arranged 3 times around the mixing shaft (1.3), and the rough mixing roller (1.2) is arranged at least 2 times in the direction of the mixing shaft (1.3).
7. A novel chalk making device according to claim 5, characterized in that there are 4 of the fine stirring rods (1.6) around the stirring shaft (1.3); at least 2 fine stirring rods (1.6) are arranged in the direction of the stirring shaft (1.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020379493.5U CN211837512U (en) | 2020-03-23 | 2020-03-23 | Novel chalk manufacturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020379493.5U CN211837512U (en) | 2020-03-23 | 2020-03-23 | Novel chalk manufacturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211837512U true CN211837512U (en) | 2020-11-03 |
Family
ID=73135053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020379493.5U Active CN211837512U (en) | 2020-03-23 | 2020-03-23 | Novel chalk manufacturing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211837512U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622028A (en) * | 2021-01-27 | 2021-04-09 | 巩义市宏宇耐火材料有限公司 | Anhydrous stemming heating agitating unit |
| CN112793342A (en) * | 2020-12-31 | 2021-05-14 | 张海星 | Chalk reproducing machine capable of automatically erasing blackboard |
-
2020
- 2020-03-23 CN CN202020379493.5U patent/CN211837512U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793342A (en) * | 2020-12-31 | 2021-05-14 | 张海星 | Chalk reproducing machine capable of automatically erasing blackboard |
| CN112793342B (en) * | 2020-12-31 | 2022-06-03 | 西藏米优科技有限公司 | Chalk reproducing machine capable of automatically wiping blackboard |
| CN112622028A (en) * | 2021-01-27 | 2021-04-09 | 巩义市宏宇耐火材料有限公司 | Anhydrous stemming heating agitating unit |
| CN112622028B (en) * | 2021-01-27 | 2022-03-22 | 河南宏宇新材料科技有限公司 | Anhydrous stemming heating agitating unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211837512U (en) | Novel chalk manufacturing device | |
| CN210905843U (en) | Mixing arrangement is used in resin production | |
| CN102463776B (en) | Improved full-automatic forming machine for crayon | |
| CN209036866U (en) | A kind of injection molding machine feeding device | |
| CN208697701U (en) | A kind of construction concrete central mix plant | |
| CN213320927U (en) | Waste slurry heating equipment for concrete mixing plant | |
| CN108544660A (en) | A kind of concrete mixer stirred evenly | |
| CN205905191U (en) | Concrete mixing device | |
| CN218609037U (en) | Production equipment for processing release agent | |
| CN209533689U (en) | A kind of ceramic 3D printing molding machine based on SLA technique | |
| CN201960902U (en) | Improved automatic crayon forming machine | |
| CN208305388U (en) | A kind of concrete mixer stirred evenly | |
| CN206140852U (en) | High -ductility pipe extruder | |
| CN109435006A (en) | A kind of ceramic 3D printing molding machine and method based on SLA technique | |
| CN210336405U (en) | Temperature control type concrete stirring device | |
| CN216458363U (en) | Blendor is used in diamond production | |
| CN114770746A (en) | Processing technology of energy-saving environment-friendly pervious concrete | |
| CN207604397U (en) | A kind of novel fly maggot separator | |
| CN206253092U (en) | Suitable for the gypsum mixture process units of plaster precision foundry | |
| CN207480958U (en) | A kind of small-sized rubber processing mixer | |
| CN215540219U (en) | Fertile device is joined in marriage with environment-friendly to high stress resistance seed breeding | |
| CN220900086U (en) | Mixing device with heating function | |
| CN215282785U (en) | Thermal insulation material granulator | |
| CN105796372B (en) | A kind of method that high efficiency prepares clinical oral moulage | |
| CN219583241U (en) | Concrete mixer with good mixing effect for construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |