CN211639393U

CN211639393U - Processing grinding apparatus that STEAM teaching was used

Info

Publication number: CN211639393U
Application number: CN201921870644.0U
Authority: CN
Inventors: 陈敏; 丘伟来; 李聪
Original assignee: Guangzhou Kumuku Education Technology Co Ltd
Current assignee: Guangzhou Kumuku Cultural Heritage Co ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-10-09
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses a processing grinding apparatus of STEAM teaching usefulness, include: the grinding tool comprises a grinding tool body and a plurality of clamping mechanisms, wherein the grinding tool body is provided with an upper surface and a lower surface for laying sand paper; the clamping mechanism comprises a clamping plate and two clamping units, and the clamping plate is fixedly connected to the side surface of the grinding tool main body; two the setting that the clamping unit is relative is on splint, and abrasive paper is located between two clamping units, and clamping unit is used for the side of centre gripping, release abrasive paper. The utility model discloses abandoned current processing grinding apparatus and set up the handle on grinding apparatus main part surface, can realize that the upper and lower surface of processing grinding apparatus lays abrasive paper simultaneously, increase the in-service area of processing grinding apparatus, through the durability, reduce abrasive paper's change frequency, and the structure is special, is applicable to the teaching aid as the STEAM teaching.

Description

Processing grinding apparatus that STEAM teaching was used

Technical Field

The utility model relates to a teaching equipment technical field, concretely relates to processing grinding apparatus of STEAM teaching usefulness.

Background

The team teaching originated in the united states and is a comprehensive education mode integrating science, technology, engineering, art and mathematics. STEAM teaching is different from the traditional education mode of single discipline and repeated book knowledge, and STEAM is a super discipline education concept which is repeated and practiced. In order to accord with the STEAM teaching concept, the teaching aid for STEAM teaching is often designed specially, and is embedded into the STEAM teaching through a special shape and a special structure, so that creative thinking and space imagination of students are indirectly diverged.

As shown in fig. 1, a conventional processing grindstone for STEAM teaching is often a processing grindstone that is purchased directly, and includes a grindstone body 1a, a handle 2a provided on the grindstone body 1a, and sandpaper clips 3a provided at both ends of a base plate. On the other hand, because the STEAM teaching is in a one-to-many form, teachers teach with a plurality of students, and therefore the requirement for durability of sandpaper on the processing grinding tool for the STEAM teaching is high.

In the process of realizing the invention, the inventor finds that the processing grinding tool for STEAM teaching has the following disadvantages:

1. the existing processing grinding tool is too common in structure and is difficult to be applied to STEAM teaching.

2, a plurality of students use the processing grinding apparatus in turn in the STEAM teaching, and the long-time wearing and tearing make the processing grinding apparatus need frequently to change the abrasive paper that became invalid.

SUMMERY OF THE UTILITY MODEL

In order to overcome above-mentioned current processing grinding apparatus structure too simply not suitable for with STEAM teaching, need frequently to change the technical defect who processes the abrasive paper on the grinding apparatus moreover, the utility model provides a processing grinding apparatus of STEAM teaching usefulness, its structure is suitable for and in the STEAM teaching, and can realize upper and lower surface centre gripping abrasive paper simultaneously, reduces the frequency of replacing of abrasive paper when using processing grinding apparatus.

In order to solve the above problem, the utility model discloses realize according to following technical scheme:

a processing grinding apparatus that STEAM teaching was used, include:

the grinding tool comprises a grinding tool body and a plurality of clamping mechanisms, wherein the grinding tool body is provided with an upper surface and a lower surface for laying sand paper;

the clamping mechanism comprises a clamping plate and two clamping units, and the clamping plate is fixedly connected to the side surface of the grinding tool main body;

two the setting that the clamping unit is relative is on splint, and abrasive paper is located between two clamping units, and clamping unit is used for the side of centre gripping, release abrasive paper.

Preferably, two opposite paper edges of the sand paper are connected end to end, the sand paper surrounds the upper surface and the lower surface of the grinding tool body, and the clamping mechanism clamps the two paper edges.

Preferably, one side surface of the grinding tool main body is provided with a clamping mechanism, and the other side surface of the grinding tool main body is provided with another clamping mechanism; the upper surface of the grinding tool main body is provided with one piece of sand paper, the lower surface of the grinding tool main body is provided with another piece of sand paper, and the two clamping mechanisms are used for clamping the two pieces of sand paper simultaneously.

Preferably, one of the sandpaper is sponge sandpaper and the other sandpaper is dry-abrasive sandpaper.

Specifically, the clamping mechanism further comprises an insertion nail and a fixing hole which are matched with each other; the inserting nail is fixed on the clamping unit; the fixing hole is arranged on the clamping plate.

Further, the clamping unit is also provided with a sawtooth part, and the sawtooth part is used for pressing sand paper.

Preferably, a hand-held part is arranged on the side surface of the grinding tool main body, and the hand-held part and the plurality of clamping mechanisms are arranged in a staggered mode.

Specifically, the middle part of the handheld part is provided with a concave part for preventing slipping.

Furthermore, the middle part of the handheld part is provided with anti-skid lines.

Preferably, the upper and lower surfaces of the grinder body are provided with soft pads.

Compared with the prior art, the beneficial effects of the utility model are that:

a processing grinding apparatus that STEAM teaching was used, it has abandoned the handle that traditional processing grinding apparatus set up in the grinding apparatus main part on the surface, the grinding apparatus main part that does not set up the handle is provided with the upper and lower surface that is used for laying abrasive paper, the side of grinding apparatus main part sets up the clamping mechanism who is used for centre gripping abrasive paper for the upper and lower surface of processing grinding apparatus can realize laying abrasive paper simultaneously. The effective use area of the processing grinding tool is doubled, the durability is greatly improved, and the replacement frequency of the abrasive paper on the processing grinding tool is reduced.

As the teaching aid in the STEAM teaching, the utility model discloses a shape and structure are comparatively special, are applicable to and use in the STEAM teaching, use the in-process that the article were polished to the processing grinding apparatus at the student, can arouse student's creative thinking and space imagination to a certain extent indirectly.

Drawings

The following detailed description of embodiments of the invention is provided with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of a prior art abrasive tool;

fig. 2 is a schematic structural view of a processing grinding tool for STEAM teaching of the present invention;

fig. 3 is a top view of the processing grinding tool for STEAM teaching of the present invention;

fig. 4 is a front view of a processing grinding tool for STEAM teaching of the present invention;

fig. 5 is another schematic structural diagram of a processing grinding tool for STEAM teaching of the present invention;

in the figure: 1-a grinder body, 12-a handheld part, 2-a clamping mechanism, 21-a clamping plate, 22-a clamping unit and 3-a soft cushion.

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 presented herein only to illustrate and explain the present invention, and not to limit the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description of the present invention and simplification of description, and do not indicate or imply that the referred mechanism or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 2 to 5, the present invention provides a preferred structure of a box for STEAM teaching.

Example 1

As shown in fig. 2-4, do a processing grinding apparatus's that STEAM teaching was used structural sketch map, it includes grinding apparatus main part 1 and a plurality of clamping mechanism 2, wherein, grinding apparatus main part 1 is the rectangular block structure, and it has the upper and lower surface that is used for laying abrasive paper to and four sides, six planes that rectangular block structure was equipped with are favorable to gripping and laying abrasive paper on its upper and lower surface.

Clamping mechanism 2 includes splint 21 and clamping unit 22, is provided with two on one grinding apparatus main part 1 and presss from both sides tight structure 2, splint 21 is provided with two clamping unit 22 on every splint 21 through glue fixed connection on two relative sides of grinding apparatus main part 1, clamping unit 22 is relative setting on splint 21, and for not interfering laying of abrasive paper, clamping unit 22 sets up at the both ends of splint 21. After the sandpaper is laid on the upper surface and the lower surface of the grinding tool body 1, the paper edge parts at two ends of the two sandpaper are overlapped, the overlapped part of the sandpaper is arranged on the side face where the clamping mechanism 2 is arranged, after the two sandpaper surrounds the upper surface and the lower surface of the grinding tool body 1, the clamping mechanism 2 is opened to place the sandpaper in the clamping mechanism 2 to clamp the sandpaper, the clamping unit 22 is pressed towards the direction of the clamping plate 21, and the side edge of the overlapped part of the sandpaper is fixed between the clamping unit 22 and the clamping. The two clamping units 22 are arranged to clamp two side edges of the abrasive paper respectively, so that the edge of the abrasive paper can be fixed. Two 2 clamping mechanism's four angles of abrasive paper are fixed centre gripping simultaneously, realize the complete positioning of abrasive paper.

In one embodiment, the clamping plate 21 is fixedly connected to the side surface of the grinder body 1 by screws.

Specifically, splint 21 on fixture 2 is provided with connecting portion, set up the through-hole on the connecting portion, the through-hole that is provided with the looks adaptation on the clamping unit 22, splint 21 passes the through-hole through the connecting rod with clamping unit 22 and realizes articulatedly, the spring is established to the side ring of connecting rod, and the spring makes splint 21 and clamping unit 22 keep compressing tightly, makes fixture 2 normal close. The clamping structure 2 is controlled by the connection unit 22 to clamp and release the side edge of the sandpaper.

Preferably, one of the two pieces of sandpaper is sponge sandpaper, which is suitable for sanding of a wood surface. The other sandpaper is dry abrasive sandpaper, which is suitable for use in abrading metal surfaces. The user processes the grinding apparatus according to the surperficial upset of polishing, chooses for use suitable abrasive paper to polish and polish, realizes two kinds of materials of a processing grinding apparatus processing through the quick replacement of abrasive paper.

As one embodiment, the surface of the clamping unit 22 facing the clamping plate 21 is provided with a sawtooth part, the sawtooth part of the clamping unit 22 presses the clamping plate 21 when sand paper is clamped, sawteeth on the sawtooth part can effectively increase friction force, the clamping structure 2 is prevented from slipping when sand paper is clamped, and clamping of sand paper is more stable.

Preferably, the clamping mechanism 2 further comprises an insertion nail and a fixing hole which are matched with each other. One end of the insertion nail is fixed on the surface of the clamping unit 22 facing the clamping block 21, and the other end of the insertion nail faces the clamping plate 21; the fixing holes are provided on the clamping plate 21, and the size and position of the fixing holes are arranged corresponding to the insertion nails. After the abrasive paper is laid on the upper surface and the lower surface of the abrasive tool main body, the inserting nails penetrate through the side edges of the overlapped part of the two pieces of abrasive paper and are inserted into the fixing holes, and the abrasive paper is further stabilized to prevent the abrasive paper from shifting. Preferably, the upper and lower surfaces are provided with soft pads 3 covering the surfaces, one surface of the soft pad 3 is fixedly connected with the abrasive tool body 1 through one of white latex, hot melt adhesive and universal adhesive, and the other surface of the soft pad 3 is used for supporting the bottom surface of the abrasive paper. When the processing grinding tool is used in a non-planar mode, the cushion 3 deforms according to the processing surface by pressing the processing grinding tool, so that the processing grinding tool is suitable for processing the non-planar surface, and the application range of the processing grinding tool is enlarged. Moreover, the cushion 3 prevents the abrasive paper from being worn between the hard abrasive tool body 1 and the processing plane, and the service life of the abrasive paper can be further prolonged.

In one embodiment, the material of the cushion 3 is sponge.

As another embodiment, the material of the cushion 3 is a foam board.

As another embodiment, the material of the cushion 3 is cotton.

As another embodiment, the material of the cushion 3 is rubber.

In the present embodiment, the side surface of the grinder body 1 is preferably provided with a hand-held portion 12, and the hand-held portion 12 and the clamping mechanism 2 are arranged in a staggered manner. In one embodiment, the middle of the hand-held part 12 is provided with an arc-shaped recess adapted to the shape of a finger, and the finger of the user presses the arc-shaped recess, so that the user can hold the processing grinding tool to prevent the user from slipping during the processing.

In another embodiment, the middle of the hand-held portion 12 is provided with anti-slip lines for preventing the user from slipping during use and processing. The anti-slip region is arranged in the middle of the handheld portion 12, the anti-slip lines are arranged to be one of straight lines, transverse lines, wavy lines and cross lines, and the anti-slip lines can be arranged in a protruding or sunken mode.

As another embodiment, a soft pad is disposed on the handle 12, and the soft pad is made of one of sponge, foam board, cotton and rubber. The cushion prevents the fingers of the user from being injured by rubbing against the hand-held portion 12 for a long period of time when in use, and the cushion contributes to increase of the friction force and prevents slipping. The soft pad is transversely attached to the outer side face of the handheld portion 12 and is fixedly connected with the handheld portion 12 through one glue of white latex, hot melt adhesive and all-purpose adhesive. A theory of operation of processing grinding apparatus of STEAM teaching usefulness be:

a processing grinding apparatus that STEAM teaching was used, abandoned the handle that traditional processing grinding apparatus set up at grinding apparatus main part 1 on the surface, the grinding apparatus main part 1 that does not set up the handle be provided with the upper and lower surface that is used for laying abrasive paper, the side of grinding apparatus main part 1 is provided with clamping mechanism 2 that is used for centre gripping abrasive paper for the surface lays abrasive paper simultaneously about the processing grinding apparatus can realize, effective usable floor area increases one time, has improved the durability, has reduced the replacement frequency of processing grinding apparatus on abrasive paper.

Two pieces of abrasive paper can be arranged to be respectively laid on the upper surface and the lower surface of the grinding tool main body 1, two clamping mechanisms 2 are respectively arranged on the opposite side surfaces of the grinding tool main body 1 to simultaneously clamp the paper edges of the two pieces of abrasive paper, and a user can switch the working surface between the upper surface and the lower surface by turning over the grinding tool when using the grinding tool, so that the two pieces of abrasive paper can be simply replaced, and the two pieces of abrasive paper can be two different types of abrasive paper and are suitable for different processing surfaces; or the two pieces of sandpaper are of different models so as to be suitable for articles with different roughness requirements.

Example 2

The same principle as that of embodiment 1 is applied to the processing grinding tool for teaching STEAM in this embodiment 2, except that a clamping mechanism 2 is provided on the side surface of the processing grinding tool.

As shown in fig. 5, the grinding tool body 1 is a rectangular block, a clamping mechanism 2 is provided on one side surface of the grinding tool body 1, and a piece of sandpaper is laid on the module body 1, and the length of the sandpaper is at least the same time around the upper and lower surfaces of the grinding tool body 1. Two opposite edges of the sandpaper are connected end to end, an overlapped part can be formed at the end-to-end position of the sandpaper, and the clamping mechanism 2 clamps the sandpaper by clamping the side edge of the overlapped part. The overlapping portion is provided on the side surface of the grinder body 1 where the clamping mechanism 2 is located to perform clamping.

Specifically, after the sandpaper surrounds the upper and lower surfaces of the grinder body 1, an overlapped portion appears on the side surface of the grinder body 1, two clamping units 22 in the clamping mechanism 2 are oppositely arranged on both sides of the clamping plate 21, the paper edge of the overlapped portion of the sandpaper enters between the clamping units 22 and the clamping plate 21, and the clamping units 22 on both sides simultaneously clamp both paper edges of the overlapped portion of the sandpaper, so that the sandpaper is fixed on the processing grinder.

Other structures of the processing grinding tool for teaching STEAM in the embodiment are referred to in the prior art.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.

Claims

1. A processing grinding apparatus for STEAM teaching, comprising:

the grinding tool comprises a grinding tool body (1) and a plurality of clamping mechanisms (2), wherein the grinding tool body (1) is provided with an upper surface and a lower surface for laying sand paper;

the clamping mechanism (2) comprises a clamping plate (21) and two clamping units (22), and the clamping plate (21) is fixedly connected to the side surface of the grinding tool main body (1);

two clamping unit (22) relative setting is on splint (21), and abrasive paper is located between two clamping unit (22), and clamping unit (22) are used for the centre gripping, release abrasive paper's side.

2. The processing grinding tool for STEAM teaching of claim 1, wherein:

two relative paper limits of abrasive paper end to end, and abrasive paper encircles the upper and lower surface of grinding apparatus main part (1), clamping mechanism (2) centre gripping is two the paper limit.

3. The processing grinding tool for STEAM teaching of claim 1, wherein:

one side surface of the grinding tool main body (1) is provided with a clamping mechanism (2), and the other side surface of the grinding tool main body (1) is provided with another clamping mechanism (2);

the upper surface of the grinding tool main body (1) is provided with one piece of sand paper, the lower surface of the grinding tool main body (1) is provided with another piece of sand paper, and the two clamping mechanisms (2) are used for clamping the two pieces of sand paper simultaneously.

4. The processing grinding tool for STEAM teaching of claim 3, wherein:

one of the sandpaper is sponge sandpaper, and the other sandpaper is dry-grinding sandpaper.

5. The processing grinding tool for STEAM teaching according to any one of claims 1 to 4, wherein:

the clamping mechanism (2) also comprises an insertion nail and a fixing hole which are matched with each other;

the insertion nail is fixed on the clamping unit (22);

the fixing hole is arranged on the clamping plate (21).

6. The processing grinding tool for STEAM teaching according to any one of claims 1 to 4, wherein:

the clamping unit (22) is further provided with a sawtooth part, and the sawtooth part is used for pressing sand paper.

7. The processing grinding tool for STEAM teaching according to any one of claims 1 to 4, wherein:

the side of the grinding tool main body (1) is provided with a handheld part (12), and the handheld part (12) and the plurality of clamping mechanisms (2) are arranged in a staggered mode.

8. The processing grinding tool for STEAM teaching of claim 7, wherein:

the middle part of the handheld part (12) is provided with a concave part for skid resistance.

9. The processing grinding tool for STEAM teaching of claim 7, wherein:

the middle part of the handheld part (12) is provided with anti-skid grains.

10. The processing grinding tool for STEAM teaching according to any one of claims 1 to 4, wherein:

the upper surface and the lower surface of the grinding tool main body (1) are provided with soft pads (3).