CN211639376U

CN211639376U - STEAM student is with miniature carpenter's sand mill

Info

Publication number: CN211639376U
Application number: CN202020033131.0U
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: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-10-09
Anticipated expiration: 2030-01-07

Abstract

The utility model relates to an education and teaching apparatus design technical field discloses a STEAM student is with miniature carpenter's sand mill, comprising a lathe bed, the axle box, a main shaft, drive assembly, one of main shaft is served and is provided with the screw thread end, still be provided with the abrasive paper dish on the tip of main shaft, the integrative internal thread cover that is provided with threaded connection on the screw thread end of center department of abrasive paper dish, the laminating has the abrasive paper of polishing on the abrasive paper dish, be provided with the tie coat that is used for bonding on the abrasive paper dish on the abrasive paper of polishing, just one side that is located the abrasive paper dish on the lathe bed is provided with the brace table that supplies the part to support, set up the dovetail slide that extending direction and lathe bed extending direction are parallel on the lathe bed, an organic whole is provided with the forked tail slider of embedding in. The part is supported on the supporting table, so that the stability of the part during polishing can be improved, and the stable polishing of the part can be facilitated finally.

Description

STEAM student is with miniature carpenter's sand mill

Technical Field

The utility model relates to an education and teaching apparatus design technical field, in particular to STEAM student uses miniature carpenter sand mill.

Background

The STEAM education is comprehensive education integrating science, technology, engineering, art and mathematics; in order to improve the practical ability of students and match with the teaching of numerical control machine tools, a small numerical control machine tool for teaching is produced according to the principle and the structure of the numerical control machine tool, and is called a teaching micro machine tool; in real teaching, the method is often used for processing a wooden toy, and the surface of the wooden toy is usually ground by a miniature sand mill.

At present, a Chinese patent with publication number CN203221392, published as 2013, 10 and 2, discloses a model-manufacturing micro speed-regulating grinding machine, which consists of a case, a motor, a transmission shaft, a grinding machine belt pulley A, a transmission belt, a grinding machine belt pulley B, a grinding wheel spindle, a grinding wheel bracket, a grinding wheel and a protective cover. The speed adjusting device controls the running state of the motor, the motor drives the transmission shaft to rotate, the transmission shaft drives the transmission grinding machine belt pulley A to rotate, the grinding machine belt pulley A drives the grinding machine belt pulley B to rotate through the transmission belt, the grinding machine belt pulley B drives the grinding wheel to rotate through the grinding wheel spindle, and the protective cover shields flying chips generated by grinding.

This kind of miniature speed governing grinding machine of model manufacturing is when the part of polishing, and operating personnel often need handheld part to treat the position of polishing with the part under unsettled state and deliver to the emery wheel on and polish, but operating personnel will lead to the position of polishing to take place the skew if the hand takes place to shake after, will be unfavorable for the steady of part at last and polish.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a STEAM student uses miniature carpenter sand mill, the steady of the part of can being convenient for polish.

The above technical purpose of the present invention can be achieved by the following technical solutions: a STEAM student miniature woodworking sander comprises a lathe bed, an axle box positioned at one end of the lathe bed, a main shaft positioned in the axle box, and a driving component positioned on the lathe bed and used for driving the main shaft to rotate, one end of the main shaft is provided with a threaded end, the end part of the main shaft is also provided with a sand paper disc, an internal thread sleeve which is in threaded connection with the threaded end is integrally arranged at the center of the abrasive paper disc, polishing abrasive paper is attached to the abrasive paper disc, the polishing abrasive paper is provided with a bonding layer for bonding on the abrasive paper disc, a supporting table for supporting parts is arranged on the bed body and on one side of the abrasive paper disc, the lathe bed is provided with a dovetail sliding groove with the extending direction parallel to the extending direction of the lathe bed, a dovetail sliding block embedded in the dovetail sliding groove is integrally arranged on the supporting platform, the supporting platform is provided with positioning pieces used for fixing the supporting platform on different positions of the bed body.

The utility model discloses a further set up to: the setting element includes that two offer on the brace table and be located the screw hole of dovetail slide one side, threaded connection are used for supporting tightly the positioning bolt on the dovetail slide diapire at the screw hole and lower extreme, offer on the brace table and be located the countersunk groove of screw hole position department.

The utility model discloses a further set up to: and anti-slip stripes are arranged on the outer wall of the sand paper disc on one side of the polishing sand paper.

The utility model discloses a further set up to: the driving assembly comprises a driving motor arranged on the axle box, a driving wheel arranged on an output shaft of the driving motor, a driven wheel arranged at one end of the main shaft far away from the threaded end, and a belt positioned between the driven wheel and the driving wheel.

The utility model discloses a further set up to: the outer wall of the axle box is provided with a connecting plate, the connecting plate is provided with a thread fixing hole, a thread shaft is connected in the thread fixing hole in a threaded manner, and the end part of the thread shaft is connected with a tensioning ball which is tightly abutted to a belt.

The utility model discloses a further set up to: and a knob is fixed at one end of the threaded shaft, which is far away from the tensioning ball.

To sum up, the utility model discloses following beneficial effect has:

1. the internal thread sleeve of the abrasive paper disc is connected to the threaded end of the main shaft in a threaded mode, so that the abrasive paper disc is detachably connected to the main shaft, then abrasive paper with a proper mesh is selected according to the smoothness required by polishing, and then the abrasive paper can be bonded to the abrasive paper disc through the bonding layer; meanwhile, the dovetail sliding blocks are embedded into the dovetail sliding grooves, so that the distance between the supporting table and the sand paper disc is adjusted according to different supporting position requirements of parts with different sizes, after the position of the supporting table is adjusted, the position of the supporting table is fixed by the positioning piece, an operator can hold the parts by hand and support the parts on the supporting table to polish the parts, and the parts are supported on the supporting table, so that the stability of polishing the parts can be improved, and the stable polishing of the parts can be facilitated;

2. when the support table needs to be fixed on the lathe bed by using the positioning piece, the lower end of the support table is tightly abutted against the bottom wall of the dovetail chute after the support table is connected in the threaded hole by using the positioning bolt in a threaded manner, and the dovetail slider can be lifted by the positioning bolt after the positioning bolt is tightly abutted against the bottom wall of the dovetail chute along with the continuous downward movement of the positioning bolt, so that the dovetail slider is tightly abutted against the inner wall of the dovetail chute, and the position of the support table can be limited by the friction force between the dovetail slider and the dovetail chute, thereby completing the fixation of the support table;

3. the anti-slip stripes which are arranged on the outer wall of the sand paper disc and positioned on one side of the polishing sand paper are utilized, so that the anti-slip stripes can be beneficial to stable bonding of the bonding layer, and finally, the possibility that the polishing sand paper automatically falls off from the sand paper disc can be reduced;

4. when the driving assembly is needed to drive the main shaft to rotate, the driving motor is used for driving the driving wheel to rotate, the driving wheel can drive the driven wheel to rotate through the belt, and finally the driven wheel can drive the main shaft to rotate;

5. when the belt is worn and needs to be tensioned, the knob on the threaded shaft is rotated, so that the threaded shaft is rotated, the threaded shaft can push the tensioning ball, the tensioning ball is tightly abutted to the belt, and finally the belt can be tensioned, and the stable transmission of the belt is ensured.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the connection between the axle housing and the drive assembly of the present invention;

FIG. 3 is an exploded view of the present invention between a sand paper disc and sanding sand paper;

fig. 4 is a cross-sectional view showing the connection between the bed and the support table according to the present invention.

Reference numerals: 1. a bed body; 11. a dovetail chute; 2. an axle box; 21. a main shaft; 211. a threaded end; 3. a drive assembly; 31. a drive motor; 32. a driving wheel; 33. a driven wheel; 34. a belt; 4. a sand paper tray; 41. an internal thread sleeve; 42. anti-skid stripes; 5. sanding sand paper; 51. a bonding layer; 6. a support table; 61. a dovetail slide block; 7. a positioning member; 71. a threaded hole; 72. positioning the bolt; 73. a countersunk groove; 8. a connecting plate; 81. a threaded fixing hole; 82. a threaded shaft; 83. a tensioning ball; 84. a knob.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A kind of STEAM student uses the miniature woodworker sand mill, refer to fig. 1, fig. 2, this kind of STEAM student uses the miniature woodworker sand mill and includes lathe bed 1, axle box 2, main shaft 21, drive assembly 3, wherein the axle box 2 is fixed on one end of the lathe bed 1, and the main shaft 21 is connected in the axle box 2 through the bearing rotation; meanwhile, the driving assembly 3 is used for driving the main shaft 21 to rotate, the driving assembly 3 includes a driving motor 31, a driving wheel 32, a driven wheel 33 and a belt 34, wherein the driving motor 31 is fixed on one side of the axle box 2 through a bolt, the driving wheel 32 is connected to an output shaft of the driving motor 31, the driven wheel 33 is connected to one end of the main shaft 21, the belt 34 is connected between the driven wheel 33 and the driving wheel 32, and at this time, the main shaft 21 is driven to rotate through the driving motor 31.

Referring to fig. 1 and 2, the outer wall of the axle box 2 is further welded with a connecting plate 8, the connecting plate 8 is provided with a threaded fixing hole 81, the threaded fixing hole 81 is internally connected with a threaded shaft 82, the end of the threaded shaft 82 is welded with a tensioning ball 83, the tensioning ball 83 is used for abutting against the belt 34, meanwhile, one end of the threaded shaft 82, which is far away from the tensioning ball 83, is also welded with a knob 84, and at the moment, the tensioning of the belt 34 is completed through the abutting force of the tensioning ball 83 on the belt 34.

Referring to fig. 1 and 3, a threaded end 211 is further welded at one end of the main shaft 21 far away from the driven wheel 33, a sand paper disc 4 is further arranged at the end part of the main shaft 21, which is located at the threaded end 211, wherein an internal thread sleeve 41 in threaded connection with the threaded end 211 is integrally arranged on the sand paper disc 4, a grinding sand paper 5 is attached to the outer wall of one side of the sand paper disc 4 far away from the internal thread sleeve 41, the grinding sand paper 5 is abutted against the outer wall of a part to be ground, and an adhesive layer 51 for adhering to the sand paper disc 4 is adhered to the outer wall of one side of the grinding sand paper 5, and at the moment, the grinding sand paper 5 can be replaced quickly and conveniently through the connection mode of adhering the grinding; meanwhile, the outer wall of the sand paper disc 4 on one side of the grinding sand paper 5 is also provided with anti-skid stripes 42.

Referring to fig. 1 and 4, a support table 6 for supporting parts is further arranged on the bed 1 and on one side of the abrasive paper disc 4, a dovetail sliding groove 11 with an extending direction parallel to the extending direction of the bed 1 is formed in the bed 1, and a dovetail sliding block 61 embedded in the dovetail sliding groove 11 is integrally arranged on the support table 6; still be provided with the setting element 7 on the brace table 6 simultaneously, the setting element 7 is then to be used for fixing different positions department on the lathe bed 1 with brace table 6, this kind of setting element 7 includes screw hole 71, positioning bolt 72, countersunk groove 73, wherein screw hole 71 is provided with two and all sets up on brace table 6, and two screw holes 71 are located dovetail slide 61's position department and run through dovetail slide 61, positioning bolt 72 is then to be used for threaded connection in screw hole 71 and the lower extreme is used for supporting tightly on 11 diapalls of dovetail slide simultaneously, and countersunk groove 73 is then set up on brace table 6 and is located screw hole 71 position department, countersunk groove 73 can supply positioning bolt 72's bolt head embedding.

The principle is as follows: the internal thread sleeve 41 of the abrasive paper disc 4 is connected to the thread end 211 of the main shaft 21 in a threaded manner, so that the abrasive paper disc 4 is detachably connected to the main shaft 21, then, abrasive paper with a proper mesh number is selected according to the smoothness required by grinding, and then, the abrasive paper can be bonded to the abrasive paper disc 4 through the bonding layer 51; utilize forked tail slider 61 to imbed in forked tail spout 11 simultaneously, thereby according to the different support position needs of not equidimension part, adjust the distance between a supporting bench 6 and the sand paper dish 4, wait to prop up supporting bench 6 position and transfer the back, recycle positioning bolt 72 in the setting element 7 and fix supporting bench 6's position, thereby operating personnel can hold the part and support the part on supporting bench 6 and polish the part this moment, because the part supports on supporting bench 6, so can be favorable to improving the stability when the part is polished, can be convenient for the steady of part to polish at last.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a STEAM student is with miniature carpenter's sand mill, includes lathe bed (1), is located axle box (2) that lathe bed (1) one end, is located main shaft (21) in axle box (2), is located lathe bed (1) and is used for driving main shaft (21) pivoted drive assembly (3), its characterized in that: a threaded end (211) is arranged at one end of the main shaft (21), a sand paper disc (4) is also arranged at the end part of the main shaft (21), an internal thread sleeve (41) which is in threaded connection with the threaded end (211) is integrally arranged at the center of the sand paper disc (4), a polishing sand paper (5) is attached to the sand paper disc (4), a bonding layer (51) which is used for bonding the sand paper disc (4) is arranged on the polishing sand paper (5), a supporting table (6) for supporting parts is arranged on the bed body (1) and on one side of the abrasive paper disc (4), the lathe bed (1) is provided with a dovetail sliding groove (11) with the extending direction parallel to the extending direction of the lathe bed (1), a dovetail slide block (61) embedded in the dovetail slide groove (11) is integrally arranged on the support table (6), the supporting platform (6) is provided with positioning pieces (7) used for fixing the supporting platform (6) on the lathe bed (1) at different positions.

2. A STEAM student miniature woodworking sander as set forth in claim 1, wherein: the locating piece (7) comprises two threaded holes (71) which are formed in the supporting platform (6) and located on one side of the dovetail sliding block (61), locating bolts (72) which are connected in the threaded holes (71) in a threaded mode and are used for abutting against the bottom wall of the dovetail sliding groove (11) at the lower ends of the threaded holes, and countersunk grooves (73) which are formed in the supporting platform (6) and located at the positions of the threaded holes (71).

3. A STEAM student miniature woodworking sander as set forth in claim 1, wherein: and anti-skid stripes (42) are arranged on the outer wall of the sand paper disc (4) and positioned on one side of the grinding sand paper (5).

4. A STEAM student miniature woodworking sander as set forth in claim 1, wherein: the driving assembly (3) comprises a driving motor (31) arranged on the axle box (2), a driving wheel (32) arranged on an output shaft of the driving motor (31), a driven wheel (33) arranged at one end, far away from the threaded end (211), of the main shaft (21), and a belt (34) positioned between the driven wheel (33) and the driving wheel (32).

5. A STEAM student miniature woodworking sander as claimed in claim 4, wherein: the novel axle box is characterized in that a connecting plate (8) is arranged on the outer wall of the axle box (2), a threaded fixing hole (81) is formed in the connecting plate (8), a threaded shaft (82) is connected to the threaded fixing hole (81) in an internal thread mode, and a tensioning ball (83) abutting against the belt (34) is connected to the end portion of the threaded shaft (82).

6. A STEAM student miniature woodworking sander as claimed in claim 5, wherein: and a knob (84) is fixed on one end of the threaded shaft (82) far away from the tensioning ball (83).