CN112002188A - Mathematics teaching aid of mathematical thinking training and preparation facilities thereof - Google Patents
Mathematics teaching aid of mathematical thinking training and preparation facilities thereof Download PDFInfo
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- CN112002188A CN112002188A CN202010926453.2A CN202010926453A CN112002188A CN 112002188 A CN112002188 A CN 112002188A CN 202010926453 A CN202010926453 A CN 202010926453A CN 112002188 A CN112002188 A CN 112002188A
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
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Abstract
The invention discloses a mathematical teaching aid for mathematical thinking training and a preparation device thereof, wherein a display component is arranged on the front surface of a coordinate bottom plate, a mounting frame is arranged at the position of the outer side of a blocking frame of a mounting block, a winding shaft is arranged in the middle of the mounting frame, a thread fixing component is arranged at the intersection point of a longitude and latitude groove in a penetrating way, a rubber ring is bonded on one side of an antiskid sheet close to the coordinate bottom plate, a lower die component is arranged on the top surface of a backing plate, a half template is connected with the top surface of a support plate, an upper die component is arranged at the top end of a guide pillar, and uniform grooves are arranged on the top surface of the upper die plate. Two half plates are mutually separated, so that the cooling and taking-out are convenient, and the forming efficiency is improved.
Description
Technical Field
The invention relates to the technical field of teaching aids, in particular to a mathematical teaching aid for mathematical thinking training and a preparation device thereof.
Background
Mathematics is a subject of the concepts such as research quantity, structure, change, space and information, and in human historical development and social life, mathematics also plays irreplaceable effect, also is the essential basic tool of study and research modern science and technology, and in the mathematics teaching aid, often need use some, carry out supplementary teaching, and the factorial concept is comparatively abstract, need utilize the mathematics mold core to assist at the teaching in-process.
However, in the current function learning process, the function is difficult to understand, the image drawing in the function coordinate system is inconvenient, the display effect is poor, and students are difficult to understand, so that the teaching is difficult.
Disclosure of Invention
The invention provides a mathematical teaching aid for mathematical thinking training and a preparation device thereof, which can effectively solve the problems that in the background technology, a function is difficult to understand, image painting in a function coordinate system is inconvenient, the display effect is poor, students are difficult to understand and difficulty is brought to teaching in the function learning process.
In order to achieve the purpose, the invention provides the following technical scheme: the display component comprises a longitude and latitude groove, a blocking frame, a guide port, an installation block, an installation frame, a winding shaft, a display line, a pull ring, a hook groove, a hook, a thread shaft screw and a positioning screw;
the winding and unwinding device is characterized in that the longitude and latitude grooves are uniformly formed in the front of the coordinate bottom plate, a blocking frame is installed at the position of the edge of the outer side of the coordinate bottom plate, a guide port is formed in the middle of the side surface of the blocking frame, an installation block is slidably installed in the inner part of the guide port, a positioning screw is installed on the side surface of the installation block, an installation frame is installed at the position of the outer side of the blocking frame, a bobbin screw rod is installed in the middle of the top surface of the installation frame in a penetrating mode, the top end of the bobbin screw rod is connected to the top end of a winding shaft through threads, a winding shaft is installed in the middle of the installation frame, a display line is uniformly wound in the middle of the winding shaft;
and a line fixing component is arranged at the intersection point of the longitude and latitude grooves in a penetrating manner.
Preferably, the number of the mounting blocks is two, and fluorescent layers are uniformly coated on the outer sides of the display lines.
Preferably, coordinate bottom plate back both sides all articulate there is the bracing piece, the bracing piece bottom bonds and has the antiskid rubber gasket, bracing piece middle part and coordinate bottom plate correspond bracing piece position department and all inlay the magnetic stripe.
Preferably, the wire fixing assembly comprises a wire fixing hole, a round pipe, a spring, a connecting shaft, a limiting piece, an anti-slip piece and a rubber ring;
the fixed line hole is seted up in the nodical position department of longitude and latitude groove, the inside pipe of installing that runs through in fixed line hole, the pipe outside is located coordinate bottom plate back position department and has cup jointed the spring, the inside slidable mounting of pipe has the connecting axle, connecting axle one end is located coordinate bottom plate back position department and installs spacing piece, the antiskid ribbed tile is installed to the connecting axle other end, the antiskid ribbed tile is close to coordinate bottom plate one side and bonds there is the rubber ring.
Preferably, the diameter of the wire fixing hole is equal to the outer diameter of the circular tube, and lubricating oil is uniformly coated at the position between the circular tube and the connecting shaft.
Preferably, the preparation device of the mathematical teaching aid for mathematical thinking training comprises a base plate, wherein the top surface of the base plate is provided with a lower die assembly, and the lower die assembly comprises a partition plate, a separation cylinder, a support plate, a half template, a forming cavity, a forming plate, a guide post groove and a guide post;
the novel die plate is characterized in that the partition plate is fixedly mounted in the middle of the top surface of the base plate, the separation air cylinders are mounted on two sides of the partition plate, a supporting plate is connected to the push rod end of each separation air cylinder, a half die plate is connected to the top surface of the supporting plate, forming cavities are formed in the middle of the top surface of the half die plate, the forming plates are slidably mounted between the forming cavities, guide post grooves are formed in two sides of one end of the top surface of the half die plate, and guide posts.
Preferably, limiting slide blocks are installed at two ends of the bottom surface of the supporting plate, and limiting slide grooves are formed in the positions, corresponding to the limiting slide blocks, of the top surface of the base plate.
Preferably, two half template mutually close position department has all seted up the seal groove, seal groove inside is inlayed and is had the sealing strip.
Preferably, the top end of the guide pillar is provided with an upper die assembly, and the upper die assembly comprises an upper die plate, a uniform groove, a discharge hole, a top plate, a feeding pipe, a sealing pipe, a pressing plate, an extrusion cylinder and a cylinder hole;
the improved die comprises an upper die plate, a lower die plate, a top plate, a sealing pipe, a guide post, an upper die plate, a lower die plate, a guide post, an upper die plate, an even groove, a discharge hole, a top plate, a feed pipe and a sealing pipe, wherein the upper die plate is installed at the top ends of the four guide posts, the even groove is formed in the top surface of the upper die plate, the discharge hole is evenly formed in the bottom surface of the even groove, the top surface.
Preferably, the inner wall of the sealing tube is matched with the feeding tube, the bottom end of the sealing tube is flush with the pressing plate, and a sealing tube groove is formed in the bottom surface of the top plate corresponding to the sealing tube.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use;
1. the display line drawing device is provided with a display assembly, the display line outside the winding shaft is pulled to bypass the line fixing assembly of the coordinate bottom plate corresponding to the function in sequence, the pull ring at one end of the display line is connected with the hook to complete drawing of the function image, the drawing process of the function image is clear, and the display line can be freely adjusted to change the function image.
2. Be provided with solidus subassembly, when the display line was walked around solidus subassembly, promote the spacing piece at the coordinate bottom plate back, the spring shrink will show the line card in the space department between antiskid piece and the coordinate bottom plate front, and the rubber ring extrusion prevents that the display line from sliding, and the display line is fixed convenient.
3. Be provided with bracing piece, anti-skidding rubber gasket and magnetic stripe, the accessible stimulates the bracing piece and supports the coordinate bottom plate, conveniently demonstrates, through magnetic stripe fixed stay pole in the coordinate bottom plate back when not using, accomodates and takes out the convenience.
4. The lower die assembly is arranged, after the molten high-temperature raw material is formed on the forming plate on the top surface of the forming cavity, the two half die plates are pushed to be separated from each other through the separating cylinder, the forming plate is leaked, the formed workpiece is in contact with the outside and is rapidly cooled, and because the two half die plates are separated from each other, the bonding surface of the workpiece and the half die plates is less, the workpiece is convenient to take out, and different parts can be manufactured by replacing the forming plate.
5. Be provided with the mould subassembly, after sending into the raw materials that melts, the raw materials is advanced to be gone into even inslot portion, and the extrusion cylinder that restarts promotes clamp plate extrusion raw materials, pressurizes once more in the mould is inside for the raw materials sees through the discharge opening entering shaping intracavity shaping of evenly seting up, prevents that the inhomogeneous situation of work piece shaping from appearing, and the shaping effect is better.
In conclusion, the display lines of the display assembly sequentially bypass the circular tubes of the line fixing assembly, the display lines are fixed by the line fixing assembly, and the function image is manufactured;
after the raw materials enter the upper die assembly, the raw materials are extruded again to be formed after being uniformly distributed, the forming effect is good, after the raw materials are formed in the lower die assembly, the two half die plates are separated from each other, the workpiece is in contact with the outside, the cooling is convenient to take out, and the forming efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic diagram of a mathematical teaching aid for mathematical thinking training of the present invention;
FIG. 2 is a schematic view of a mounting structure of the spool according to the present invention;
FIG. 3 is a schematic view of the structure of area A of FIG. 1 according to the present invention;
FIG. 4 is a schematic structural view of the wire fixing assembly of the present invention;
FIG. 5 is a schematic structural diagram of a device for preparing the mathematical teaching aid for training mathematical thinking;
FIG. 6 is a schematic view of the construction of the lower die assembly of the present invention;
FIG. 7 is a schematic structural view of an upper die assembly of the present invention;
reference numbers in the figures: 1. a coordinate base plate;
2. a display assembly; 201. longitude and latitude grooves; 202. a blocking frame; 203. a guide port; 204. mounting blocks; 205. a mounting frame; 206. a spool; 207. displaying a line; 208. a pull ring; 209. a hook groove; 210. hooking; 211. a spool screw; 212. a set screw;
3. a wire fixing component; 301. a wire fixing hole; 302. a circular tube; 303. a spring; 304. a connecting shaft; 305. a limiting sheet; 306. anti-slip sheets; 307. a rubber ring;
4. a support bar; 5. an anti-slip rubber gasket; 6. a magnetic strip; 7. a base plate;
8. a lower die assembly; 801. a partition plate; 802. separating the cylinder; 803. a support plate; 804. a half template; 805. a molding cavity; 806. forming a plate; 807. a guide post groove; 808. a guide post;
9. a limiting chute; 10. a sealing groove;
11. an upper die assembly; 1101. mounting a template; 1102. a uniform groove; 1103. a discharge hole; 1104. a top plate; 1105. a feed pipe; 1106. a sealing tube; 1107. pressing a plate; 1108. an extrusion cylinder; 1109. and (4) cylinder bores.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1: as shown in fig. 1-4, the invention provides a mathematical teaching aid for mathematical thinking training, comprising a coordinate base plate 1, wherein a display component 2 is arranged on the front surface of the coordinate base plate 1, and the display component 2 comprises a longitude and latitude groove 201, a baffle frame 202, a guide port 203, a mounting block 204, a mounting frame 205, a winding shaft 206, a display line 207, a pull ring 208, a hook groove 209, a hook 210, a thread shaft screw 211 and a positioning screw 212;
the longitude and latitude grooves 201 are uniformly arranged on the front surface of the coordinate base plate 1, the outer edge position of the coordinate base plate 1 is provided with a blocking frame 202, the middle part of the side surface of the blocking frame 202 is provided with a guide port 203, the inside of the guide port 203 is slidably provided with an installation block 204, the side surface of the installation block 204 is provided with a positioning screw 212, the installation block 204 is arranged at the outer side position of the blocking frame 202 and is provided with an installation frame 205, the middle part of the top surface of the installation frame 205 is provided with a thread shaft screw 211 in a penetrating way, the top end of the thread shaft screw 211 is connected with the top end of a thread shaft 206 through threads, the middle part of the installation frame 205 is provided with a winding shaft 206, the middle part of the winding shaft 206 is uniformly wound with display wires 207, hook grooves 209 are formed in the inner walls of the other three baffle frames 202, and hooks 210 are slidably mounted in the hook grooves 209;
the intersection point of the longitude and latitude groove 201 is provided with a thread fixing component 3 in a penetrating way.
All articulated the having bracing piece 4 in 1 back both sides of coordinate bottom plate, 4 bottom joints of bracing piece have anti-skidding rubber gasket 5, and 4 middle parts of bracing piece and coordinate bottom plate 1 correspond 4 position departments of bracing piece and all inlay magnetic stripe 6.
The wire fixing component 3 comprises a wire fixing hole 301, a circular tube 302, a spring 303, a connecting shaft 304, a limiting piece 305, an anti-skidding piece 306 and a rubber ring 307;
the department of crossing point position of longitude and latitude groove 201 is seted up to solidus hole 301, solidus hole 301 is inside to run through and to install pipe 302, the spring 303 has been cup jointed in 1 back position department of coordinate bottom plate in the pipe 302 outside, the inside slidable mounting of pipe 302 has connecting axle 304, solidus hole 301 diameter equals pipe 302 external diameter, position department has evenly been paintd lubricating oil between pipe 302 and the connecting axle 304, be convenient for connecting axle 304 is in the inside slip of pipe 302, connecting axle 304 one end is located 1 back position department of coordinate bottom plate and installs spacing piece 305, antiskid ribbed tile 306 is installed to the connecting axle 304 other end, antiskid ribbed tile 306 bonds near 1 one side of coordinate bottom plate and has rubber.
Example 2: as shown in fig. 5-7, a technical solution of a device for preparing a mathematical teaching aid for mathematical thinking training comprises a backing plate 7, a lower mold assembly 8 is mounted on the top surface of the backing plate 7, and the lower mold assembly 8 comprises a partition plate 801, a separation cylinder 802, a support plate 803, a half mold plate 804, a molding cavity 805, a molding plate 806, a guide post groove 807 and a guide post 808;
An upper die assembly 11 is mounted at the top end of the guide post 808, and the upper die assembly 11 comprises an upper die plate 1101, a uniform groove 1102, a discharge hole 1103, a top plate 1104, a feed pipe 1105, a sealing pipe 1106, a pressure plate 1107, a squeezing cylinder 1108 and a cylinder hole 1109;
cope match-plate pattern 1101 installs on four guide pillars 808 top, even groove 1102 has been seted up to cope match-plate pattern 1101 top surface, discharge opening 1103 has evenly been seted up to even groove 1102 bottom surface, the welding of cope match-plate pattern 1101 top surface has roof 1104, inlet pipe 1105 is run through to install on roof 1104 top surface, inlet pipe 1105 bottom position department activity cup joints sealing tube 1106 in even groove 1102 inside position, sealing tube 1106 runs through to install in clamp plate 1107 top surface, sealing tube 1106 inner wall agrees with inlet pipe 1105, sealing tube 1106 bottom and clamp plate 1107 parallel and level, the sealing tube groove has been seted up to roof 1104 bottom surface correspondence sealing tube 1106 department, prevent that the raw materials from getting into the space between sealing tube 1106 and the inlet pipe 1105, squeeze cylinder 1108 is all installed at clamp plate 1107 top surface both ends, roof 1104.
The working principle and the using process of the invention are as follows: before teaching demonstration, the coordinate bottom plate 1 is erected, the supporting rod 4 on the back of the coordinate bottom plate 1 is pulled, the anti-skid rubber gasket 5 is contacted with the supporting surface for supporting, and the angle between the coordinate bottom plate 1 and the supporting surface is adjusted, so that students can conveniently watch the coordinate bottom plate;
the function image to be displayed is determined, the mounting block 204 is pulled along the guide opening 203, the end part of the mounting block 204 close to one end of the function image is fixed by rotating the set screw 212, the pull ring 208 is pulled along the hook groove 209, so that the end of the pull ring 208 near the other end of the function image loosens the bobbin screw 211, pulls the display line 207 outside the bobbin 206, pushes the connection shaft 304 at the corresponding position of the function image, the gap between the anti-slip sheet 306 and the coordinate base plate 1 is enlarged, the display line 207 sequentially bypasses the line fixing component 3 of the coordinate base plate 1 corresponding to the function, the pull ring 208 at one end of the display line 207 is connected with the hook 210, the winding shaft 206 is rotated, the display line 207 is tensioned, the winding shaft 206 is fixed by rotating the thread shaft screw 211, the drawing of the function image is completed, the drawing process of the function image is clear, and the display line 207 can be freely adjusted to change the function image;
when the display line 207 bypasses the line fixing component 3, the limiting piece 305 on the back side of the coordinate bottom plate 1 is pushed, the spring 303 is contracted, the display line 207 is clamped at a gap between the anti-slip piece 306 and the front side of the coordinate bottom plate 1, the spring 303 pushes the rubber ring 307 to extrude the display line 207 after hands are loosened, the display line 207 is prevented from sliding, and the display line 207 is convenient to fix;
parts such as the coordinate bottom plate 1, the blocking frame 202 and the like are made of plastic materials, when a teaching aid needs to be manufactured, the upper die assembly 11 and the lower die assembly 8 are combined, a gap is eliminated, then molten raw materials are poured into the feeding pipe 1105, the raw materials firstly enter the uniform groove 1102, the extrusion cylinder 1108 is started again, the pressing plate 1107 is pushed to extrude the raw materials, the inside of the die is pressurized again, the raw materials enter the molding cavity 805 through the uniformly arranged discharge holes 1103 to be molded, the pressure of extrusion feeding is enhanced, the condition that the workpiece is molded unevenly is prevented, and the molding effect is better;
after the melted high-temperature raw material is molded on the molding plate 806 on the top surface of the molding cavity 805, the two half mold plates 804 are pushed to be separated from each other through the separation air cylinder 802, the molding plate 806 slides along the bottom of the molding cavity 805, the molding plate 806 leaks, the molded workpiece is in contact with the outside, the temperature is rapidly reduced, and because the two half mold plates 804 are separated from each other, the bonding surface of the workpiece and the half mold plates 804 is less, the workpiece is convenient to take out, different parts can be manufactured by replacing the molding plate 806, and the parts can be manufactured by splicing and connecting the parts.
In summary, the display line 207 of the display module 2 sequentially bypasses the circular tube 302 of the line fixing module 3, and the line fixing module 3 fixes the display line 207, so that the function image is manufactured, the image manufacturing process is simple and clear, the image is easy to change, the display is convenient, and the learning is easy;
after the raw materials get into upper die assembly 11, extrude once more and make the shaping behind the raw materials evenly distributed, the shaping is effectual, and behind the shaping in lower die assembly 8, two half template 804 alternate segregation, the work piece contacts with the external world, and convenient cooling is taken out, improves the shaping efficiency.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a mathematics teaching aid of mathematical thinking training, includes coordinate bottom plate (1), its characterized in that: the display component (2) is arranged on the front side of the coordinate bottom plate (1), and the display component (2) comprises a longitude and latitude groove (201), a blocking frame (202), a guide port (203), an installation block (204), an installation frame (205), a winding shaft (206), a display line (207), a pull ring (208), a hook groove (209), a hook (210), a shaft screw (211) and a positioning screw (212);
the longitude and latitude groove (201) is evenly set up in coordinate bottom plate (1) openly, coordinate bottom plate (1) outside edge position department installs and keeps off frame (202), keep off frame (202) side middle part and seted up direction mouth (203), direction mouth (203) inside slidable mounting has installation piece (204), installation piece (204) side-mounting has set screw (212), installation piece (204) are located and keep off frame (202) outside position department and install mounting bracket (205), mounting bracket (205) top surface middle part is run through and is installed spool screw rod (211), spool screw rod (211) top is through threaded connection in spool (206) top, mounting bracket (205) mid-mounting has spool (206), spool (206) middle part evenly twines and has exhibition line (207), exhibition line (207) one end is run through installation piece (204) and is connected with pull ring (208), hook grooves (209) are formed in the inner walls of the other three baffle frames (202), and hooks (210) are slidably mounted in the hook grooves (209);
and a line fixing component (3) penetrates through the intersection point position of the longitude and latitude groove (201).
2. A mathematical teaching aid for mathematical thinking training as claimed in claim 1, wherein the number of the mounting blocks (204) is two, and the outside of the display line (207) is evenly coated with a fluorescent layer.
3. The mathematics teaching aid of a mathematics thinking training of claim 1, characterized in that, coordinate bottom plate (1) back both sides all articulate there is the bracing piece (4), bracing piece (4) bottom bonding has non-slip rubber gasket (5), magnetic stripe (6) are all inlayed with coordinate bottom plate (1) corresponding bracing piece (4) position department in the middle part of bracing piece (4).
4. A math teaching aid for math thinking training according to claim 1, wherein the wire fixing component (3) comprises a wire fixing hole (301), a round tube (302), a spring (303), a connecting shaft (304), a limiting sheet (305), an anti-skid sheet (306) and a rubber ring (307);
set up in solid line hole (301) longitude and latitude groove (201) nodical position department, solid line hole (301) inside runs through and installs pipe (302), pipe (302) outside is located coordinate bottom plate (1) back position department and has cup jointed spring (303), pipe (302) inside slidable mounting has connecting axle (304), connecting axle (304) one end is located coordinate bottom plate (1) back position department and installs spacing piece (305), antiskid sheets (306) are installed to connecting axle (304) other end, antiskid sheets (306) are close to coordinate bottom plate (1) one side and bond and have rubber ring (307).
5. A mathematical teaching aid for mathematical thinking training as claimed in claim 4, wherein the diameter of the wire fixing hole (301) is equal to the outer diameter of the circular tube (302), and lubricating oil is uniformly coated between the circular tube (302) and the connecting shaft (304).
6. The preparation device of the mathematical teaching aid for mathematical thinking training is characterized by comprising a base plate (7), wherein a lower die assembly (8) is mounted on the top surface of the base plate (7), and the lower die assembly (8) comprises a partition plate (801), a separation cylinder (802), a support plate (803), a half die plate (804), a forming cavity (805), a forming plate (806), a guide post groove (807) and a guide post (808);
division board (801) fixed mounting is in backing plate (7) top surface middle part, separation cylinder (802) are all installed to division board (801) both sides, separation cylinder (802) push rod end is connected with backup pad (803), backup pad (803) top surface is connected with half template (804), become die cavity (805) have been seted up in half template (804) top surface middle part, two slidable mounting has become die plate (806) between become die cavity (805), guide post groove (807) have all been seted up to half template (804) top surface one end both sides, guide post groove (807) inside slidable mounting has guide post (808).
7. The device for preparing a math teaching aid for math thinking training as claimed in claim 6, wherein the two ends of the bottom surface of the supporting plate (803) are both provided with a limiting slide block, and the top surface of the backing plate (7) is provided with a limiting slide groove (9) corresponding to the limiting slide block.
8. The device for preparing the mathematical teaching aid for mathematical thinking training as claimed in claim 6, wherein the two half templates (804) are provided with sealing grooves (10) at positions close to each other, and sealing strips are embedded in the sealing grooves (10).
9. The device for preparing the mathematical teaching aid for mathematical thinking training of claim 6, wherein the top end of the guide post (808) is provided with an upper die assembly (11), and the upper die assembly (11) comprises an upper die plate (1101), a uniform groove (1102), a discharge hole (1103), a top plate (1104), a feeding pipe (1105), a sealing pipe (1106), a pressing plate (1107), an extrusion cylinder (1108) and a cylinder hole (1109);
the upper die plate (1101) is installed on the top ends of four guide pillars (808), a uniform groove (1102) is formed in the top surface of the upper die plate (1101), discharge holes (1103) are uniformly formed in the bottom surface of the uniform groove (1102), a top plate (1104) is welded to the top surface of the upper die plate (1101), a feeding pipe (1105) is installed on the top surface of the top plate (1104) in a penetrating mode, a sealing pipe (1106) is movably sleeved at the position, located inside the uniform groove (1102), of the bottom end of the feeding pipe (1105), the sealing pipe (1106) is installed on the top surface of a pressing plate (1107) in a penetrating mode, extrusion cylinders (1108) are installed at the two ends of the top surface of the pressing plate (1107), and air cylinders (1109) are.
10. The device for preparing the mathematical teaching aid for mathematical thinking training as claimed in claim 9, wherein the inner wall of the sealing tube (1106) is matched with the feeding tube (1105), the bottom end of the sealing tube (1106) is flush with the pressing plate (1107), and a sealing tube slot is formed on the bottom surface of the top plate (1104) corresponding to the sealing tube (1106).
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| CN202010926453.2A CN112002188B (en) | 2020-09-07 | 2020-09-07 | Mathematics teaching aid of mathematical thinking training and preparation facilities thereof |
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| CN205075534U (en) * | 2015-10-22 | 2016-03-09 | 袁伟 | Multi -functional mathematics teaching aid |
| CN205318697U (en) * | 2015-12-28 | 2016-06-15 | 新余学院 | Demonstration teaching aid of functional limit for advanced math teaching |
| CN206983582U (en) * | 2017-03-21 | 2018-02-09 | 史佩佩 | A kind of mathematic curve drawing instrument |
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| CN208521494U (en) * | 2018-01-18 | 2019-02-19 | 山东管理学院 | A kind of novel English teaching display board |
| CN109130602A (en) * | 2018-09-12 | 2019-01-04 | 林哈尔 | Auxiliary tool is used in a kind of drawing of mathematical education |
| CN209460986U (en) * | 2018-09-21 | 2019-10-01 | 西安医学高等专科学校 | A kind of mathematical function teaching aid |
| CN209486986U (en) * | 2018-12-17 | 2019-10-11 | 辽宁城市建设职业技术学院 | Higher mathematics saddle camber math equation form rotary display platform |
| CN210925121U (en) * | 2019-10-21 | 2020-07-03 | 李虎 | Mathematics teaching board |
| CN110706620A (en) * | 2019-10-25 | 2020-01-17 | 西安科技大学 | Propaganda display system |
| CN110844719A (en) * | 2019-11-19 | 2020-02-28 | 徐州万沃网络科技有限公司 | Scroll winding device for advertisement design |
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