CN211640268U

CN211640268U - STEAM tensioning assembly for wood working machine tool

Info

Publication number: CN211640268U
Application number: CN202020030392.7U
Authority: CN
Inventors: 陈敏; 丘伟来; 李聪
Original assignee: Guangzhou Kumuku Education Technology Co Ltd
Current assignee: Guangzhou Kumuku Education Technology 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 aid designs technical field, a STEAM tensioning assembly for wood working machine tool is disclosed, including power chuck seat, the driving shaft, from the driving wheel, driving motor, the action wheel, the belt, the connecting piece, driving motor's the outside is provided with the connection casing, set up the shaft hole that supplies driving motor's output shaft to wear out on the connection casing, the external diameter in shaft hole is greater than the external diameter of driving motor output shaft, the both ends of driving motor one side outer wall all are provided with the adapter sleeve, be provided with the guide bar that passes the adapter sleeve in the connection casing, driving motor keeps away from and is provided with the interior thread bush on the outer wall of adapter sleeve one side, be provided with one end rotation in the connection casing and threaded connection at the threaded connection pole that the interior. When the belt needs to be tensioned, the belt can be tensioned by rotating the thread adjusting rod, so that the belt can be tensioned conveniently.

Description

STEAM tensioning assembly for wood working machine tool

Technical Field

The utility model relates to an education and teaching aid designs technical field, in particular to STEAM tensioning assembly for wood working machine.

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; the method is often used for processing wooden toys in real teaching.

At present, chinese patent with publication number CN204390602, published as 2015, 6.10 discloses a speed-adjustable forward and reverse all-metal micro lathe, which is provided with a lathe base, two ends of the lathe base are respectively provided with a horizontal power chuck and a horizontal auxiliary chuck, the horizontal power chuck comprises a power chuck seat, a chuck, a driving shaft and a driving motor, the driving motor and the driving shaft transmit power through a belt, the horizontal auxiliary chuck comprises a fixed seat, an auxiliary chuck rod and a manual adjusting wheel, a longitudinal lathe tool base is arranged on one side of the lathe base, a longitudinal sliding track is arranged on the lathe base, the longitudinal sliding track is connected with a transverse lathe tool fixing seat through a lead screw and a manual rocking wheel in a sliding manner, and a transverse fixing groove, a transverse lead screw and a hand wheel are arranged on the transverse lathe tool fixing seat.

The speed-adjustable forward-reverse rotation all-metal micro lathe clamps materials by using a horizontal power chuck and a horizontal auxiliary chuck, drives a driving shaft in a power chuck seat to rotate through a driving motor, and simultaneously processes the materials through a lathe tool on a lathe tool longitudinal base; the driving motor and the driving shaft are usually connected by a belt, but the belt is easily worn in use, and finally the belt slips.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a STEAM tensioning assembly for wood working machine tool, can be more convenient carry out the tensioning to the belt.

The above technical purpose of the present invention can be achieved by the following technical solutions: a tensioning assembly for a STEAM wood working machine tool comprises a power chuck seat, a driving shaft positioned in the power chuck seat, a driven wheel positioned on the driving shaft, a driving motor positioned on the upper side of the power chuck seat, a driving wheel positioned on an output shaft of the driving motor, a belt positioned between the driven wheel and the driving wheel, and a connecting piece positioned between the power chuck seat and the driving motor, wherein a connecting shell is arranged on the outer side of the driving motor, a shaft hole for the output shaft of the driving motor to penetrate out is formed in the connecting shell, the outer diameter of the shaft hole is larger than that of the output shaft of the driving motor, connecting sleeves are respectively arranged at two ends of the outer wall of one side of the driving motor, a guide rod penetrating through the connecting sleeves is arranged in the connecting shell, an internal thread sleeve is arranged on the outer wall of one side of the driving motor, a thread, and the connecting shell is also provided with a connecting hole for the end part of the threaded adjusting rod to penetrate out.

The utility model discloses a further set up to: and a knob is arranged at one end of the threaded adjusting rod, which penetrates out of the connecting shell.

The utility model discloses a further set up to: the connecting shell is provided with a through hole through which a lead of the driving motor penetrates, the outer wall of the connecting shell is provided with a threaded fastening hole communicated with the through hole, and the threaded fastening hole is internally connected with a fastening bolt used for tightly abutting the lead of the driving motor against the inner wall of the through hole.

The utility model discloses a further set up to: the connecting piece includes the first dovetail of seting up on power chuck seat lateral wall, seting up the second dovetail of connecting the casing outer wall, imbed the connecting rod in first dovetail and second dovetail, be located connecting rod week side and be used for supporting the rubber damping pad tight on first dovetail and second dovetail inner wall, the cross-section of connecting rod uses with the cross-section cooperation after first dovetail and the combination of second dovetail.

The utility model discloses a further set up to: the connecting piece further comprises a plurality of limiting columns which are integrally arranged on the side wall of the connecting shell and located on one side of the second dovetail groove, and limiting grooves which are arranged on the side wall of the power chuck seat and are used for embedding the limiting columns.

The utility model discloses a further set up to: a plurality of heat dissipation holes are formed in the outer wall of the connecting shell and located on the periphery of the shaft hole.

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

1. when the belt needs to be tensioned, the thread adjusting rod is rotated, the thread adjusting rod is in threaded connection with the inner thread sleeve on the driving motor, and the connecting sleeve on the driving motor is sleeved on the guide rod, so that the driving motor can move along the guide rod along with the rotation of the thread adjusting rod, and the distance between the driven wheel and the driving wheel can be adjusted at the moment, so that the belt is tensioned;

2. when the threaded adjusting rod needs to be rotated, the threaded adjusting rod penetrates through the knob arranged at one end of the connecting shell, and the knob can be used for conveniently and directly rotating the threaded adjusting rod by a hand;

3. when students use the small lathe, the students often drag the lead of the driving motor due to the playing of the students, and the lead is likely to fall off from the driving motor; the fastening bolt is connected in the threaded fastening hole in a threaded manner, and the end part of the fastening bolt is enabled to tightly support the lead of the driving motor on the inner wall of the through hole by rotating the fastening bolt, so that the lead is limited in the through hole, the possibility that the lead falls off from the driving motor can be finally reduced, and the lead of the driving motor can be protected;

4. when the power chuck seat is required to be connected with the driving motor, the second dovetail groove on the connecting shell of the driving motor is aligned to the first dovetail groove on the power chuck seat, then the connecting rod is embedded into the first dovetail groove and the second dovetail groove, and the rubber damping pad on the peripheral side of the connecting rod is tightly propped against the inner walls of the first dovetail groove and the second dovetail groove, so that the position relation between the power chuck seat and the connecting shell can be limited by the friction damping force between the rubber damping pad and the first dovetail groove and the second dovetail groove, and finally the connection between the power chuck seat and the driving motor can be completed;

5. when the second dovetail groove on the connecting shell of the driving motor is aligned to the first dovetail groove on the power chuck seat, the limiting column on the connecting shell is firstly embedded into the limiting groove on the power chuck seat, and the limiting column can further limit the position relation between the connecting shell and the power chuck seat at the moment, so that the stable connection between the power chuck seat and the connecting shell can be facilitated finally;

6. utilize on the connection casing outer wall and be located a plurality of louvres that all sides in shaft hole were seted up, a plurality of louvres can effectually play radiating effect to driving motor to be favorable to guaranteeing driving motor's steady operation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention, which is used for showing the overall installation effect of the machine tool;

fig. 2 is a schematic structural diagram of the present invention;

fig. 3 is a partial sectional view of the present invention, the section is the central axis position of the guide bar.

Reference numerals: 1. a power chuck base; 11. a drive shaft; 111. a driven wheel; 2. a drive motor; 21. a driving wheel; 22. connecting sleeves; 23. an internal thread sleeve; 3. a belt; 4. a connecting member; 41. a first dovetail groove; 42. a second dovetail groove; 43. a connecting rod; 44. a rubber damping pad; 45. a limiting column; 46. a limiting groove; 5. connecting the shell; 51. a shaft hole; 52. a guide bar; 53. a threaded adjusting rod; 531. a knob; 54. connecting holes; 55. a through hole; 56. a threaded fastener hole; 57. fastening a bolt; 58. and (4) heat dissipation holes.

Detailed Description

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

The utility model provides a tensioning assembly for STEAM wood working machine tool, refer to fig. 1, fig. 2, this kind of tensioning assembly for STEAM wood working machine tool includes power chuck seat 1, driving shaft 11, follow driving wheel 111, driving motor 2, driving wheel 21, belt 3, connecting piece 4, wherein driving shaft 11 is located power chuck seat 1 among the prior art, and follow driving wheel 111 connects on driving shaft 11, driving motor 2 is located power chuck seat 1 upside simultaneously, and driving wheel 21 connects on driving motor 2's output shaft, wherein belt 3 connects between follow driving wheel 111 and driving wheel 21, can rely on driving motor 2 to drive driving shaft 11 to rotate this moment.

Referring to fig. 1 and 2, the outer side of the driving motor 2 is wrapped with a connecting shell 5, the connecting shell 5 is provided with a shaft hole 51 through which an output shaft of the driving motor 2 penetrates, the outer diameter of the shaft hole 51 is larger than the outer diameter of the output shaft of the driving motor 2, the connecting shell 5 is also provided with a through hole 55 through which a wire of the driving motor 2 penetrates, the outer wall of the connecting shell 5 is provided with a threaded fastening hole 56 communicated with the through hole 55, the threaded fastening hole 56 is internally threaded with a fastening bolt 57, the fastening bolt 57 is used for tightly abutting the wire of the driving motor 2 against the inner wall of the through hole 55, the outer wall of the connecting shell 5 is also provided with a plurality of heat dissipation holes 58 at the peripheral side of the shaft hole 51, and the heat dissipation holes 58 are uniformly distributed at intervals.

Referring to fig. 1 and 2, a connecting piece 4 is used for connecting the power chuck base 1 and the driving motor 2, and the connecting piece 4 includes a first dovetail groove 41, a second dovetail groove 42, a connecting rod 43, a rubber damping pad 44, a limiting post 45 and a limiting groove 46, wherein the first dovetail groove 41 is opened on the side wall of the power chuck base 1, the second dovetail groove 42 is opened on the outer wall of the connecting shell 5, the connecting rod 43 is used for being embedded in the first dovetail groove 41 and the second dovetail groove 42 at the same time, the cross section of the connecting rod 43 is matched with the combined cross section of the first dovetail groove 41 and the second dovetail groove 42 for use, the rubber damping pad 44 is adhered to the peripheral side of the connecting rod 43, and the rubber damping pad 44 is used for abutting against the inner walls of the first dovetail groove 41 and the second dovetail groove 42; meanwhile, the plurality of limiting posts 45 are uniformly arranged on the side wall of the connecting shell 5, the limiting posts 45 are positioned at one side of the second dovetail groove 42, and the limiting grooves 46 are arranged on the side wall of the power chuck base 1 and are used for embedding the limiting posts 45.

Referring to fig. 2 and 3, the connecting sleeves 22 are welded at both ends of the outer wall of one side of the driving motor 2, the connecting shell 5 is internally welded with a guide rod 52 penetrating through the connecting sleeves 22, the guide rod 52 extends along the vertical direction, the outer wall of one side of the driving motor 2, which is far away from the connecting sleeves 22, is welded with the internal thread sleeve 23, the connecting shell 5 is internally provided with a thread adjusting rod 53 which is in threaded connection with the internal thread sleeve 23, a bearing seat for rotationally connecting the end of the thread adjusting rod 53 is fixed in the connecting shell 5 through a bolt, and the bearing seat can connect the thread adjusting rod 53 in a circumferential rotation manner and in an axial direction fixedly in; meanwhile, the connecting shell 5 is further provided with a connecting hole 54 through which one end of the threaded adjusting rod 53, which is far away from the bearing seat, penetrates, and the end of the threaded adjusting rod 53, which penetrates through the connecting shell 5, is further welded with a knob 531.

The principle is as follows: when the belt 3 needs to be tensioned, the thread adjusting rod 53 is rotated, the thread adjusting rod 53 is connected in the internal thread sleeve 23 on the driving motor 2 in a threaded manner, and the connecting sleeve 22 on the driving motor 2 is sleeved on the guide rod 52, so that the driving motor 2 can move along the guide rod 52 along with the rotation of the thread adjusting rod 53, the distance between the driven wheel 111 and the driving wheel 21 can be adjusted at the moment, and the belt 3 is tensioned.

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 tensioning assembly for STEAM wood working machine tool, including power chuck seat (1), be located driving shaft (11) of power chuck seat (1), be located driven round (111) on driving shaft (11), be located driving motor (2) of power chuck seat (1) upside, be located driving wheel (21) on driving motor (2) output shaft, be located belt (3) between driven round (111) and driving wheel (21), be located connecting piece (4) between power chuck seat (1) and driving motor (2), its characterized in that: a connecting shell (5) is arranged on the outer side of the driving motor (2), a shaft hole (51) for the output shaft of the driving motor (2) to penetrate out is arranged on the connecting shell (5), the outer diameter of the shaft hole (51) is larger than the outer diameter of the output shaft of the driving motor (2), two ends of the outer wall of one side of the driving motor (2) are respectively provided with a connecting sleeve (22), a guide rod (52) penetrating through the connecting sleeve (22) is arranged in the connecting shell (5), an internal thread sleeve (23) is arranged on the outer wall of one side of the driving motor (2) far away from the connecting sleeve (22), a thread adjusting rod (53) with one end rotatably connected in the shell and in threaded connection with the internal thread sleeve (23) is arranged in the connecting shell (5), the connecting shell (5) is also provided with a connecting hole (54) through which the end part of the threaded adjusting rod (53) penetrates.

2. The tensioning assembly of claim 1, wherein said tension assembly comprises: and a knob (531) is arranged at one end of the threaded adjusting rod (53) penetrating through the connecting shell (5).

3. The tensioning assembly of claim 1, wherein said tension assembly comprises: the connecting shell (5) is provided with a through hole (55) through which a lead of the driving motor (2) penetrates, the outer wall of the connecting shell (5) is provided with a threaded fastening hole (56) communicated with the through hole (55), and the threaded fastening hole (56) is internally threaded with a fastening bolt (57) used for tightly abutting the lead of the driving motor (2) on the inner wall of the through hole (55).

4. The tensioning assembly of claim 1, wherein said tension assembly comprises: the connecting piece (4) is including offering first dovetail (41) on power chuck seat (1) lateral wall, offering second dovetail (42) at connecting casing (5) outer wall, embedding connecting rod (43) in first dovetail (41) and second dovetail (42), be located connecting rod (43) week side and be used for supporting tightly rubber damping pad (44) on first dovetail (41) and second dovetail (42) inner wall, the cross-section of connecting rod (43) is used with the cross-section cooperation after first dovetail (41) and second dovetail (42) combination.

5. The tensioning assembly for a STEAM woodworking machine tool of claim 4, wherein: the connecting piece (4) further comprises a plurality of limiting columns (45) which are integrally arranged on the side wall of the connecting shell (5) and located on one side of the second dovetail groove (42), and limiting grooves (46) which are arranged on the side wall of the power chuck base (1) and are used for embedding the limiting columns (45).

6. The tensioning assembly of claim 1, wherein said tension assembly comprises: and a plurality of heat dissipation holes (58) are formed in the outer wall of the connecting shell (5) and positioned on the peripheral side of the shaft hole (51).