TWM510813U - Grinding machine tool with adjustable working position - Google Patents

Description

Grinding machine with adjustable working point position

The present invention relates to a grinding machine capable of adjusting the position of a working point, in particular, a bridge strut is bridged between a first strut and a second strut, and the second strut is adjusted between the strut and the bridging strut A fixed angle to adjust the grinding machine at a working point.

According to the hand-held trimming machine of the Republic of China Patent No. 451777, the hand-held trimming machine comprises a main body, a driving wheel, a fixing seat, a driven wheel and an abrasive belt, the main body having a triggerable a rotating output shaft, 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, the driven wheel is assembled to the fixing seat and corresponds to the driving wheel, and the abrasive belt is The sleeve is sleeved around 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, and 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, some manufacturers have developed a grinding machine that can adjust the grinding position of the abrasive cloth belt. For example, the automatic grinding structure of the front end of the pneumatic grinding machine of the Republic of China Patent No. M297811, the front end of the pneumatic grinding machine is automatically guided. The structure is mainly provided with a first guiding rod with an offset angle at the front guide frame of a grinding machine front end, and a second guiding rod connected with the first guiding rod for a rear guiding group, the second guiding An upper plate surface of the rod is provided with an elastic pressure plate, and a guiding plate is screwed on the lower surface of the second guiding rod, and the elastic pressing plate and the guiding plate respectively press the first guiding rod An upper flat surface and a lower flat surface, and a grinding wheel belt is disposed around the front guide frame group and the rear bracket group, and during the implementation, the first guiding rod can be pressed against an object surface, so that the first guiding rod Generating an offset angle to match the structure of the surface of the article for grinding, and when the user stops pressing the first guide rod, the elastic pressure plate and the guide plate return the first guide rod to the original position.

However, when the article itself is in the shape of a sphere, a triangle or a cube, and the user wants to grind the corner or the outer surface of the article into a rounded corner, a rounded edge or a circular arc surface, since the first guiding rod is in the When the article is pressed, an angular offset is generated, so that the grinding wheel belt on the front side of the first guiding rod is difficult to be firmly attached to the article, thereby causing a problem that the grinding is not smooth or the grinding is incomplete.

The main purpose of this creation is to solve the problem that the grinding position cannot be matched in the conventional embodiment.

In order to achieve the above object, the present invention provides a grinding machine capable of adjusting the position of a working point, the grinding machine having an adjustable working point position comprising a grinding body and a supporting link, the grinding body having a casing and a mounting The main drive wheel is triggered by the casing and triggered to rotate. The support link is assembled with the grinding machine body, and the support link has a pair of first struts that should be disposed on the casing, and a grinding belt is supported together with the first struts for grinding operation The second pole. The support link is a mounting axial direction with the first strut extending away from the main driving wheel, and the second strut has a body and a secondary driving wheel disposed at an end of the seat away from the first strut The driving wheel and the main driving wheel jointly guide the grinding belt, and the grinding belt is formed with a working point. Wherein, the support link includes a bridge strut bridging between the first strut and the second strut, the bridging strut includes a connecting post mounted with the first strut, and a connecting post from the connecting strut a bridge seat extending away from the first struts, a track opened on the bridge seat, and a mounting slot disposed on the bridge seat and communicating with the track, and the second struts further have a seat a mounting post extending in the assembled relationship with the mounting slot and a guiding member disposed on the mounting post and located in the rail, the guiding member being operatively adjusted to form an angle with the mounting axial direction, The operating point is in the mounting axial direction or offset from the mounting axial direction.

In one embodiment, the bridge strut has a guiding curved surface disposed on the bridging seat facing the second strut, and further, the rail is shaped to guide the curved surface.

In one embodiment, the bridge strut has a pivot hole disposed at a center of the bridge relative to the track, and the second strut has an assembly disposed on the mounting post and assembled with the pivot hole a shaft, further, the assembly shaft is spaced apart from the guiding member in an extending direction of the second strut, and on the other hand, the bridging strut has a rod disposed in the rail to carry the guiding member. Carrying a rib, and the guiding member is a screw locking member screwed on the mounting post, and the rail is in a fan shape protruding away from the first strut, and the central angle of the rail is 180 degree.

In one embodiment, the second strut has two cutting planes disposed in parallel with the mounting post to connect one end of the bridging base and the guiding member is disposed thereon.

In one embodiment, the first strut has a mounting passage for the connecting post to be reciprocally displaced, and a pair of limiting rails to which the passage is to be mounted, the bridging strut having a protruding connecting post and a protruding rod located at the limiting rail to be displaced by the limiting rail and an assembly hole disposed on the connecting post for mounting the protruding rod.

Through the above technical content, this creation has the following characteristics compared to the following:

The creation allows the user to adjust the fixed position of the guiding member and the rail such that the second strut is fixed to the bridging strut and change the angle between the second strut and the mounting axial direction to The working point is moved to or offset from the mounting axial direction such that the abrasive belt is spaced apart from the support link such that the abrasive tape 3 can be attached to the surface of the article for a similar rounded, rounded or circular arc The grinding of the surface, thereby solving the problem that it is difficult to firmly grind the article in the conventional embodiment.

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

Referring to FIG. 1 and FIG. 2 , the present invention provides a grinding machine capable of adjusting the position of a working point. The grinding machine having an adjustable working point position includes a grinding machine body 1 and a supporting link 2 , the grinding machine body 1 has a The casing 11 and a main driving wheel 12 mounted on the casing 11 and triggered to rotate. The support link 2 is assembled with the grinding machine body 1 , and the support link 2 has a pair of first struts 21 that are disposed on the casing 11 and that are supported by the first struts 21 A second strut 22 of the abrasive belt 3. The supporting link 2 is in a mounting axial direction 23 away from the extending direction of the first supporting rod 12 away from the main driving wheel 12, the second supporting rod 22 has a body 221 and a first body 221 is disposed away from the first body The secondary drive wheel 222 at one end of the strut 21, and the secondary drive wheel 222 and the main drive wheel 12 can guide the abrasive belt 3 together, and the abrasive belt 3 is formed with a working point 31. As mentioned above, the working point 31 does not refer to a point on the surface of the polishing tape 3, but refers to a segment of the polishing tape 3 that is supported by the secondary driving wheel 222.

The support link 2 further includes a bridge strut 24 bridged between the first strut 21 and the second strut 22, and the bridging strut 24 includes a bridge strut 21 mounted thereon. a connecting post 241, a bridge seat 242 extending from the connecting post 241 away from the first strut 21, a rail 243 opened on the bridging seat 242, and a bridge 242 disposed on the bridge 242 and connected to the rail Mounting slot 244 of 243. Further, the track 243 may be a fan shape protruding away from the first strut 21, and the central angle is 180 degrees. Moreover, the second pole 22 further has a mounting post 223 extending from the seat body 221 and forming an assembled relationship with the mounting slot 244, and a guiding member disposed on the mounting post 223 and located in the rail 243. 224. The guiding member 224 is operatively adjusted to form an angle with the mounting axial direction 23 such that the operating point 31 is located on or offset from the mounting axial direction 23.

The bridge strut 24 further has a pivot hole 245 disposed at the center of the bridge 242 and opposite to the center of the rail 243, and the second strut 22 has a mounting post 223 and the pivot The mounting shaft 225 of the receiving hole 245 is assembled. Further, the mounting shaft 225 is spaced apart from the guiding member 224 in an extending direction of the second strut 22, and the second strut 22 has two parallel The mounting post 223 connects one end of the bridge seat 242 for the cutting plane 226 on which the guide member 224 is disposed. On the other hand, the bridge struts 24 have a bearing rib 246 disposed in the rail 243 for carrying the guiding member 224, and the guiding member 224 can be screwed onto the mounting post 223 and pressed. The screw lock of the load bearing rib 246 is tightened.

Referring to FIG. 3, the grinding tool 1 further has a grip 13, a motor 14 for driving the main driving wheel 12, an operating switch 15 mounted on the grip 13 and operable the motor 14, and A portion of the main driving wheel 12 and the dust cover 16 of the support link 2 are partially covered. During the implementation of the present invention, the user's hand can be gripped on the grip 13 and the operation switch 15 is pressed to activate the motor 14 to rotate the main driving wheel 12, and the main driving wheel 12 interlocks the polishing belt. 3, and then the belt rotates the driving wheel 222, whereby the polishing belt 3 is rapidly rotated around the main driving wheel 12 and the secondary driving wheel 222, and then the user can close the grinding body 1 to an article ( The article is not shown) and the article is ground through the abrasive belt 3 at the operating point 31.

Please refer to FIG. 4, FIG. 5 and FIG. 6. In the case where the article is placed or fixed in a relatively complicated environment (for example, it is placed in a factory with a plurality of machine tools), the user can adjust first. The position of the guide member 224 and the rail 243, in particular, the second rod 22 is rotated about the assembly shaft 225 to drive the guide member 224 to move into the rail 243. a predetermined position, and then the guiding member 224 is locked to the mounting post 223 such that the guiding member 224 is pressed against the carrying rib 246 in the rail 243 to fix the second strut 22 to the bridging Strut 24 and changing the angle between the second strut 22 and the mounting axial direction 23, the working point 31 is offset from the mounting axial direction 23 for the abrasive belt 3 to be suspended away from the support link 2 and Tightly pulled between the primary driving wheel 12 and the secondary driving wheel 222, whereby the user can bring the abrasive belt 3 into contact with the article, so that the abrasive tape 3 can be attached to the surface of the article to perform similar Grinding of rounded corners, rounded edges or arcuate surfaces further solves the problem of difficulty in robustly grinding the article in conventional embodiments.

The bridge strut 24 further has a guiding curved surface 247 disposed on the bridging seat 242 and facing the second strut 22. In detail, the rail 243 is formed corresponding to the guiding curved surface 247, and When the operating point 31 is adjusted to deviate from the mounting axial direction 23, the polishing tape 3 is attached to the guiding curved surface 247, and the guiding curved surface 247 smoothly travels.

Referring to FIG. 7, in an embodiment, the first strut 21 further has a mounting channel 211 for the connecting post 241 to be reciprocally displaced and a pair of limiting rails 212 to which the channel 211 should be mounted. The bridge strut 24 has a protruding rod 248 protruding from the connecting post 241 and located at the limiting rail 212 to be restricted by the limiting rail 212. In detail, the bridging strut 24 has a connecting rod 241 disposed on the connecting post 241. The assembly hole 249 is provided for the protruding rod 248. Therefore, when the user wants to replace the polishing tape 3, the connecting post 241 can be retracted into the mounting channel 211 to interlock the driving wheel 222 away from the polishing tape 3, so that the primary driving wheel 12 is originally After the grinding belt 3 supported by the driving wheel 222 enters the slack state, the dust cover 16 can be removed to replace the grinding belt 3, and then the above operation is reversed, so that the grinding belt 3 can be returned. Hold the state.

In summary, the grinding machine tool for adjusting the position of the working point includes a grinding machine body and a supporting link, the grinding machine body has a casing and a main driving wheel mounted on the casing, and the supporting body The rod has a first strut, a second strut and a bridging strut bridging between the first strut and the second strut, and the second strut has a guiding with the main driving wheel a secondary driving wheel of a grinding belt, wherein the bridge struts comprise a bridge seat, a track disposed on the bridge seat and a mounting groove disposed on the bridge seat, and the second struts have a protrusion into the installation a mounting post of the slot and a guiding member located in the rail, so that the user can adjust the position of the guiding member and the rail to change the fixed position between the second strut and the bridging strut, and Deviating the working point from the mounting axial direction, so that the abrasive belt can form a buffer space with the supporting link to facilitate attaching the abrasive tape 3 to the surface of the article for similar rounded corners, rounded edges or circular arcs. Grinding of the surface.

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.

1‧‧‧ grinding body
11‧‧‧Shell
12‧‧‧Main driving wheel
13‧‧‧ grip
14‧‧‧Motor
15‧‧‧Operation switch
16‧‧‧ dust cover
2‧‧‧Support link
21‧‧‧First pole
211‧‧‧Installation channel
212‧‧‧Restricted orbit
22‧‧‧Second pole
221‧‧‧ body
222‧‧‧ drive wheel
223‧‧‧Installation column
224‧‧‧Guide
225‧‧‧Assembling shaft
226‧‧‧cut plane
23‧‧‧Installation axial
24‧‧‧Bridged pole
241‧‧‧Connecting column
242‧‧‧ Bridge seat
243‧‧‧ Track
244‧‧‧Installation slot
245‧‧‧Pivot hole
246‧‧‧bearing ribs
247‧‧‧ Guide surface
248‧‧‧ protruding rod
249‧‧‧Assembled holes
3‧‧‧grinding tape
31‧‧‧Working points

Figure 1, is a schematic view of the appearance of the creation.

Figure 2 is an exploded perspective view of the creation.

FIG. 3 is a schematic diagram showing the appearance of another perspective of the creation.

Figure 4 is a side view (I) of the creation.

Figure 5 is a side view of the creation (2).

Figure 6, is a side view of the creation (3).

Figure 7 is a side view (4) of the creation.

1‧‧‧ grinding body

11‧‧‧Shell

12‧‧‧Main driving wheel

13‧‧‧ grip

14‧‧‧Motor

16‧‧‧ dust cover

2‧‧‧Support link

21‧‧‧First pole

22‧‧‧Second pole

24‧‧‧Bridged pole

3‧‧‧grinding tape

Claims (10)

A grinding machine capable of adjusting a position of a working point, comprising: a grinding body having a casing and a main driving wheel mounted on the casing and triggered to rotate; and a supporting link assembled with the grinding body Having a pair of first struts on which the main driving wheel is disposed on the casing, and a second struts supporting the grinding belt together with the first struts for performing a grinding operation, the supporting struts a rod extending away from the main driving wheel is a mounting axial direction, the second rod has a body and a secondary driving wheel disposed at an end of the base away from the first strut, the sub-driving wheel and the The main driving wheel jointly guides the grinding belt, and forms the grinding belt with a working point; wherein the supporting rod includes a bridging strut bridging between the first strut and the second strut, the bridging The strut includes a connecting post mounted with the first strut, a bridging seat extending from the connecting post away from the first strut, a track opened on the bridging seat and a bridge disposed on the bridging seat And connecting the mounting slots of the track, The second pole further has a mounting post extending from the seat body and forming an assembled relationship with the mounting slot, and a guiding member disposed on the mounting post and located in the rail, the guiding member is operated The angle formed with the mounting axial direction is adjusted such that the operating point is in or offset from the mounting axial direction. The grinding machine tool of claim 1, wherein the bridge strut has a guiding curved surface disposed on the bridging seat facing the second strut. A grinding machine capable of adjusting a position of a working point as claimed in claim 2, wherein the track is shaped to guide the curved surface. The grinding machine tool according to claim 1, wherein the bridge struts have a pivot hole disposed at a center of the bridge seat relative to the track, the second struts having a An assembly shaft mounted on the column and assembled with the pivot hole. The grinding machine tool according to claim 4, wherein the mounting shaft is spaced apart from the guiding member in an extending direction of the second strut. The grinding machine tool of claim 1, wherein the second strut has two cutting planes disposed in parallel with the mounting post to connect the end of the bridging base and the guiding member is disposed thereon. A grinding machine capable of adjusting a position of a working point as claimed in claim 1 or 3, wherein the bridging strut has a load-bearing rib disposed in the rail to carry the guide. A grinding machine capable of adjusting a position of a working point according to claim 1, wherein the first strut has a mounting passage for the connecting post to be reciprocally displaced, and a pair of restricting rails to which the passage should be installed, The bridge strut has a protruding rod protruding from the connecting post and located at the limiting rail to be restricted in displacement by the limiting rail, and an assembling hole disposed on the connecting post for mounting the protruding rod. A grinding machine capable of adjusting a working point position according to claim 1 or 2 or 3 or 4 or 5 or 6 or 8, wherein the rail is in a fan shape protruding away from the first strut, and The center angle of the track is 180 degrees. A grinding machine capable of adjusting a working point position as claimed in claim 1 or 2 or 3 or 4 or 5 or 6 or 8, wherein the guiding member is a screw member screwed onto the mounting post.