TWM519031U - Grinding belt driving rod of grinding machine tool - Google Patents

Description

Abrasive belt drive connecting rod of grinding machine

The present invention relates to a grinding belt drive connecting rod of a grinding machine tool, in particular to a grinding belt transmission connecting rod of a grinding machine tool which changes the working angle and adds an auxiliary transmission member to drive the grinding belt.

According to the hand-held trimming machine disclosed in the Patent No. 451777 of the Republic of China, the hand-held trimming machine comprises a main body, a driving wheel, a fixing seat, a driven wheel and an abrasive cloth belt, the main body having a a driving shaft that can be rotated, the driving wheel is assembled to the output shaft, the fixing seat is assembled on a side of the main body adjacent to the output shaft, and the driven wheel is assembled to the fixing seat and corresponds to the driving wheel, and the driving wheel is assembled The abrasive cloth is wrapped around the periphery of the driving wheel and the driven wheel. During the implementation of the hand-held trimming machine, the user's hand can be gripped on the main body, and the driving wheel is rotated by the output shaft, so that the abrasive belt sleeved on the driving wheel and the driven wheel is linked. The driven wheel rotates, so that the abrasive cloth belt on the front side of the driven wheel can be brought close to and contact with an object to perform the surface grinding action of the article.

However, since the driving wheel and the driven wheel are assembled with each other by the fixing seat, when the structure of the surface of the article is complicated or undulating, the hand-held trimmer will be difficult to grind the parts of the surface of the article. In this regard, the applicant of the present application has proposed a grinding machine capable of adjusting the position of the working point, such as the Patent No. M510813 of the Republic of China, which discloses that the grinding machine achieves the adjustment of the grinding working point by using a supporting link. The purpose, however, after adjusting the grinding working point, the bridging struts may have a problem of interfering with the moving trajectory of the grinding belt, causing the bridging struts to rub against the grinding belt, which is disadvantageous for the grinding.

The main purpose of this creation is to solve the problem that the conventional embodiment will interfere with the grinding belt.

In order to achieve the above object, the present invention provides a grinding belt drive connecting rod of a grinding machine tool, comprising a guiding strut and a bridging strut, the guiding strut is provided with a main transmission member guiding a grinding belt, the bridging branch The rod is pivotally connected to the guiding strut, and one end of the guiding strut has two spaced-apart retaining walls, and one of the retaining walls defines an assembly channel for inserting the guiding strut therein, and is disposed on the rod At least one of the retaining walls and the assembly channel communicates with a set of connectors for angularly adjusting the track in which the guiding strut is fixed at a working angle, and a plurality of retaining walls are disposed between the retaining walls and positioned at the bridge The struts edge guides the auxiliary drive member that the belt moves.

In an embodiment, the two retaining walls are respectively provided with a shaft connecting hole, and the auxiliary transmission member has a rolling body and a rotating shaft that is disposed on the rotating body and is mounted on the two shaft connecting holes.

In an embodiment, the retaining walls each have a yielding section adjacent the auxiliary transmission member and facing the guiding strut.

In an embodiment, the auxiliary transmission member has a guiding surface that protrudes from the yielding cutting surface.

In an embodiment, the two retaining walls each have a recess, and the auxiliary transmission member is located in the recess of the retaining wall.

In an embodiment, the angle adjustment track is an arc track, and the auxiliary transmission member is located on an extension line of the angle adjustment track.

In one embodiment, the bridge strut has a mounting hole through which a mounting shaft is threaded to pivot the guiding strut to the bridging strut.

Through the above structure of the present invention, the following features are compared with the prior art: The present invention allows the guiding strut to be adjusted relative to the bridging strut to meet the current grinding requirements, and the grinding is performed through the main transmission member and the auxiliary transmission member. The belt rotates smoothly to avoid the problem that the bridging rod interferes with the moving track of the grinding belt to generate friction after adjusting the working angle.

The detailed description and technical content of this creation are as follows:

Referring to FIG. 1 to FIG. 4 , the present invention provides a grinding belt drive connecting rod of a grinding machine, the grinding belt transmission link includes a guiding rod 11 and a bridging rod 12 , wherein the guiding rod 11 It is used for assembly with a grinding machine body 20, the guiding rod 11 is provided with a main transmission member 111, which is mounted on one end of the guiding rod 11, in an embodiment, the main transmission The piece 111 can be a roller. The bridging strut 12 is pivotally connected to the guiding strut 11 , and the bridging strut 12 faces the blocking strut 13 at two ends of the guiding strut 11 , and is defined by the retaining wall 13 . An assembly channel 14 into which the guiding strut 11 is inserted, an angle adjusting rail 15 disposed at at least one of the blocking walls 13 and communicating with the assembly channel 14 , and a second connecting wall 13 An auxiliary transmission member 16 is positioned at the edge of the bridge strut 12 to guide the movement of a grinding belt 21.

Further, the bridge struts 12 have a mounting hole 121. In an embodiment, the mounting hole 121 is located on one of the retaining walls 13 and communicates with the assembly channel 14 for a mounting shaft 22 to be inserted therein. A connecting hole 112 on the support rod 11 causes the guiding rod 11 to pivotally connect with the bridge rod 12. Moreover, the width of the assembly channel 14 at least conforms to the rod diameter of the guiding strut 11 and allows the guiding strut 11 to move in the assembly channel 14, the guiding strut 11 further has a The fixing hole 113 is disposed corresponding to the assembly channel 14 so that a set of the connecting member 23 passes through the angle adjusting rail 15 to fix the guiding rod 11 at an working angle. That is to say, the present invention causes the guiding strut 11 to move in the assembly channel 14, and the angle between the guiding strut 11 and the bridging strut 12 can be adjusted according to requirements, and then the set of connecting members 23, the angle adjusting rail 15 is fixed in the fixing hole 113, so that the guiding strut 11 is at an working angle, and the working angle can be adjusted according to implementation requirements, and FIG. 3 and FIG. 4 are used here. The guiding struts 11 are shown in two different working angles. Referring to FIG. 2, in an embodiment, the retaining wall 13 is respectively provided with a shaft receiving hole 131, and the auxiliary transmission member 16 has a rolling body 161 and a through-rolling body. The 161 is mounted on the rotating shaft 162 of the shaft receiving hole 131. In this way, the main transmission member 111 and the auxiliary transmission member 16 guide the movement of the polishing belt 21, and the auxiliary transmission member 16 is disposed at a position to prevent the guiding rod 11 from adjusting the working angle. The friction generated by the abrasive belt 21 and the bridge strut 12.

Furthermore, the present invention further provides the bridge member 12 with the position of the auxiliary transmission member 16, so that the barrier wall 13 has a depression portion 132, respectively, and the auxiliary transmission member 16 is located at the depression of the barrier wall 13. Among the 132. Moreover, the auxiliary transmission member 16 is designed to be positioned on an extension line 151 of the angle adjustment rail 15. In addition, referring to FIG. 1 , FIG. 3 and FIG. 4 , in order to avoid the adjustment of the bridge strut 12 after the working angle is adjusted, the movement track of the polishing belt 21 is interfered to reduce the efficiency of the polishing belt 21 , so In the embodiment, the retaining walls 13 each have a yielding cut surface 133 adjacent to the auxiliary transmission member 16 and facing the guiding strut 11 . Further, the present invention further causes the auxiliary transmission member 16 to have a guiding surface 163 that protrudes more than the yielding cutting surface 133.

In summary, the grinding belt drive link of the grinding machine comprises a guiding strut and a bridging strut, the guiding strut is provided with a main transmission member guiding a grinding belt, the bridging pivot The guiding struts are connected to the guiding struts, and one end of the guiding struts has two spaced-apart retaining walls, and the two retaining walls define an assembly channel for inserting the guiding struts therein, and at least one of them is disposed at least a retaining wall and communicating with the assembly channel, the set of connectors passing through the angle adjusting rail in which the guiding strut is fixed at a working angle, and one of the retaining walls disposed between the retaining wall and located at the bridging strut The edge guides the auxiliary drive member that the belt moves. Thereby, the guiding strut is adjusted relative to the bridging strut to meet the current grinding requirement, and the grinding belt is smoothly rotated through the main transmission member and the auxiliary transmission member, thereby preventing the guiding strut from adjusting the guiding rod After the working angle, the abrasive belt rubs against the bridging strut.

The above description has been made in detail, but the above is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the creation of the creation, that is, the equality of the patent application scope according to the present creation. Changes and modifications are still covered by the patents of this creation.

11‧‧‧ Guide rod
111‧‧‧Main transmission parts
112‧‧‧Connection hole
113‧‧‧Fixed holes
12‧‧‧Bridged pole
121‧‧‧Mounting holes
13‧‧ ‧ retaining wall
131‧‧‧ shaft hole
132‧‧‧The fall
133‧‧‧Let the face
14‧‧‧Assembly channel
15‧‧‧ Angle adjustment track
151‧‧‧ Extension line
16‧‧‧Auxiliary transmission parts
161‧‧‧Roller
162‧‧‧Rotary axis
163‧‧‧ Guide surface
20‧‧‧ grinding machine body
21‧‧‧grinding tape
22‧‧‧Installation shaft
23‧‧‧Set of parts

FIG. 1 is a schematic exploded view of an embodiment of the present creation. FIG. 2 is a schematic view showing the assembly of an embodiment of the present invention with a grinding machine body. Fig. 3 is a side view showing the implementation of an embodiment of the present invention (1). Fig. 4 is a side view showing the implementation of an embodiment of the present invention (2).

11‧‧‧ Guide rod

111‧‧‧Main transmission parts

112‧‧‧Connection hole

113‧‧‧Fixed holes

12‧‧‧Bridged pole

121‧‧‧Mounting holes

13‧‧ ‧ retaining wall

131‧‧‧ shaft hole

132‧‧‧The fall

133‧‧‧Let the face

14‧‧‧Assembly channel

15‧‧‧ Angle adjustment track

16‧‧‧Auxiliary transmission parts

161‧‧‧Roller

162‧‧‧Rotary axis

163‧‧‧ Guide surface

22‧‧‧Installation shaft

23‧‧‧Assemblies

Claims (10)

A grinding belt drive connecting rod of a grinding machine comprises: a guiding strut provided with a main driving member guiding a grinding belt; and a bridging strut pivoting the guiding strut to face the guiding One end of the strut has two spaced-apart retaining walls, and one of the retaining walls defines an assembly channel for inserting the guiding strut therein, and is disposed at at least one of the retaining walls and communicates with the assembling trough The assembly member is provided with an angle adjusting rail in which the guiding strut is fixed at a working angle, and an auxiliary transmission member disposed between the retaining walls and guiding the grinding belt to move at the edge of the bridging strut. The grinding belt drive connecting rod of the grinding machine of claim 1 , wherein the two retaining walls are respectively provided with a shaft connecting hole, the auxiliary transmission member has a rolling body and a rotating body is mounted on the shaft The axis of rotation of the hole. The abrasive belt drive link of the abrasive machine tool of claim 1 or 2, wherein the two retaining walls each have a yielding cut surface adjacent the auxiliary drive member and facing the guide strut. The abrasive belt drive link of the abrasive machine tool of claim 3, wherein the auxiliary transmission member has a guide surface that is protruded from the yielding cut surface. The abrasive belt drive link of the abrasive machine tool according to claim 4, wherein the two retaining walls each have a recessed portion, and the auxiliary transmission member is located in the recessed portion of the retaining wall. The abrasive belt drive link of the abrasive machine tool of claim 1 or 2, wherein the angle adjustment track is an arcuate track, and the auxiliary transmission member is located on an extension line of the angle adjustment track. The abrasive belt drive link of the abrasive machine tool of claim 6, wherein the bridge support rod has a mounting hole through which a mounting shaft is threaded to pivotally connect the guide rod to the bridge rod. The abrasive belt drive linkage of the abrasive machine tool of claim 7, wherein the two retaining walls each have a yielding section adjacent the auxiliary transmission member and facing the guiding strut. The abrasive belt drive link of the abrasive machine tool of claim 8, wherein the auxiliary transmission member has a guide surface that is protruded from the yielding cut surface. The abrasive belt drive link of the abrasive machine tool according to claim 9, wherein the two retaining walls each have a recessed portion, and the auxiliary transmission member is located in the recessed portion of the retaining wall.