CN212351525U - Variable-pitch mill - Google Patents
Variable-pitch mill Download PDFInfo
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- CN212351525U CN212351525U CN202020494670.4U CN202020494670U CN212351525U CN 212351525 U CN212351525 U CN 212351525U CN 202020494670 U CN202020494670 U CN 202020494670U CN 212351525 U CN212351525 U CN 212351525U
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Abstract
The utility model discloses a variable-pitch grinding machine, which comprises a plurality of grinding heads, a planetary gear set mechanism and a driving device, wherein the planetary gear set mechanism is used for driving the grinding heads to rotate and comprises a planetary frame, a planetary gear shaft and a sun gear, and the planetary gear shaft is provided with a linkage component used for driving the grinding heads; the planetary frame is provided with a revolution grinding disc and a main driving shaft connected with the driving device, the revolution grinding disc is provided with a grinding head track used for adjusting the distance between the grinding head and the main driving shaft, and the grinding head is arranged on the grinding head track; the driving device drives the planetary frame to rotate through the main driving shaft, so that the grinding head arranged on the planetary frame revolves around the main driving shaft while being driven by the planetary gear shaft. Adopt the utility model discloses, polish effectual, grinding radius big and grinding efficient, and easily change grinding radius.
Description
Technical Field
The utility model relates to a technical field that polishes especially relates to a displacement mill.
Background
For a wide workpiece, such as a plate, to perform surface processing, grinding, polishing and cutting, the existing grinding method is generally performed by arranging a plurality of rows of grinding heads which are staggered with each other, and the grinding method can generate a plurality of grinding traces on the plate, thereby affecting the finish of the surface of the plate, and particularly, for a plate with ornamental value, such as a ceramic tile, stainless steel, ceramic or wood material, the aesthetic property of the surface pattern of the plate can be seriously affected.
However, in the conventional method for solving the above problems, generally, the polishing belt and the hard abrasive material are used to perform full-surface covering polishing to achieve a smooth polished surface, but the method is highly worn and needs frequent shutdown for replacing the polishing belt, thereby increasing the production cost and reducing the production efficiency.
On the other hand, since the width dimension of the polishing belt generally has a conventional standard, a specific corresponding polishing belt is required to cope with the ultra-wide type, thereby resulting in an increase in production cost. Moreover, when used for polishing small-sized panels, the effective utilization area of the polishing belt is low, thereby causing resource waste.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a displacement mill is provided, it is effectual to polish, grinding radius is big and grinding is efficient, and easily changes grinding radius.
In order to solve the technical problem, the utility model provides a variable-pitch grinding machine, which comprises a plurality of grinding heads, a planetary gear set mechanism and a driving device, wherein the planetary gear set mechanism is used for driving the grinding heads to rotate;
the planetary frame is provided with a revolution grinding disc and a main driving shaft connected with the driving device, the revolution grinding disc is provided with a grinding head track used for adjusting the distance between the grinding head and the main driving shaft, and the grinding head is arranged on the grinding head track;
the driving device drives the planetary frame to rotate through the main driving shaft, so that the grinding head arranged on the planetary frame revolves around the main driving shaft while being driven by the planetary gear shaft.
As an improvement of the scheme, the track of the grinding head track is an arc taking the planet gear shaft as the center of a circle.
As an improvement of the above scheme, each grinding head is provided with the grinding head track, and two ends of the grinding head track are respectively a farthest end and a nearest end;
the grater tracks along which the spacing between the grater and the main drive shaft decreases progressively from the distal-most end to the proximal-most end.
As an improvement of the scheme, the grinding head track is a long hole of the revolution grinding disc.
As an improvement of the scheme, a plurality of positioning holes used for controlling the installation position of the grinding head are arranged on two sides of the grinding head track.
As an improvement of the scheme, the grinding head comprises a rotating disk for mounting a grinding part, a grinding head driving shaft for driving the rotating disk to rotate and a rotating shaft base, the grinding head driving shaft is mounted on the rotating shaft base, one end of the grinding head driving shaft is connected with the rotating disk, and the other end of the grinding head driving shaft is connected with the linkage assembly.
As an improvement of the scheme, the linkage assembly comprises a first transmission wheel arranged on the planet gear shaft, a second transmission wheel arranged on the grinding head driving shaft and a synchronous transmission part, and the first transmission wheel drives the second transmission wheel to rotate through the synchronous transmission part.
As an improvement of the above scheme, the farthest ends of the grinding head rails are all located on the same concentric circle;
the most proximal ends of the grinding head tracks are all located on the same concentric circle.
As an improvement of the above scheme, the planet carrier is of a shell structure, and the gear parts of the sun gear and the planet gear shaft are arranged in the shell structure;
the mill further comprises a traction sleeve for connecting external equipment, the traction sleeve is sleeved on the main driving shaft, and the sun gear is connected to the bottom of the traction sleeve.
As an improvement of the scheme, the driving device comprises a motor and a reduction gearbox, the main driving shaft is arranged on the reduction gearbox, and the motor drives the main driving shaft through the reduction gearbox.
Implement the utility model discloses, following beneficial effect has:
the utility model discloses a variable-pitch grinding machine, which comprises a plurality of grinding heads, a planetary gear set mechanism and a driving device, wherein the planetary gear set mechanism is used for driving the grinding heads to rotate and comprises a planetary frame, a planetary gear shaft and a sun gear meshed with the planetary gear shaft, and the planetary gear shaft is provided with a linkage component used for driving the grinding heads; the planetary frame is provided with a revolution grinding disc and a main driving shaft connected with the driving device.
Therefore, due to the arrangement of the planetary gear set mechanism, the grinding head can be driven to rotate while the revolution grinding disc is driven to rotate, so that an integral large grinding head is formed, and the grinding head with a large grinding radius is realized. Moreover, each monomer the grinding function of bistrique all person self, and then improve the utility model discloses an effect and the grinding efficiency of polishing.
And, revolution mill is equipped with and is used for the adjustment the bistrique with the bistrique track of distance between the main drive axle, the bistrique install in on the bistrique track, so the utility model discloses can be according to the size of a dimension of the work piece of actually being processed, the adjustment the bistrique is in position on the bistrique track selects the best radius of polishing.
Drawings
FIG. 1 is a schematic perspective view of a pitch-variable grinding machine according to the present invention;
FIG. 2 is a schematic cross-sectional view of the planetary gear set mechanism of the pitch-variable grinding machine of the present invention;
fig. 3 is a schematic sectional structure diagram of the pitch-variable grinding machine of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, 2 and 3, the present invention provides a pitch-variable grinding machine, which comprises a plurality of grinding heads 1, a planetary gear set mechanism 2 and a driving device 3, wherein the planetary gear set mechanism is used for driving the grinding heads 1 to rotate, the planetary gear set mechanism comprises a planetary frame 21, a planetary gear shaft 22 and a sun gear 23 engaged with the planetary gear shaft, and the planetary gear shaft 22 is provided with a linkage assembly 4 used for driving the grinding heads 1;
wherein, the planetary frame 21 is provided with a revolution grinding disc 5 and a main driving shaft 24 connected with the driving device 3, the revolution grinding disc 5 is provided with a grinding head track 51 for adjusting the distance between the grinding head 1 and the main driving shaft 24, and the grinding head 1 is mounted on the grinding head track 51;
the driving device 3 drives the planetary frame 21 to rotate through the main driving shaft 24, so that the grinding heads 1 arranged on the planetary frame 21 revolve around the main driving shaft 24 while being driven by the planetary gear shafts 22.
Specifically, the grinding head 1 comprises a rotating disk 11 for mounting a grinding part, a grinding head driving shaft 12 for driving the rotating disk 11 to rotate and a rotating shaft base 13, wherein the grinding head driving shaft 12 is mounted on the rotating shaft base 13, one end of the grinding head driving shaft 12 is connected with the rotating disk 11, and the other end of the grinding head driving shaft 12 is connected with the linkage assembly 4. It should be noted that the rotating disc 11 can be assembled with suitable grinding members, such as various types of grinding and polishing tools, brushes with various hardness materials, and the like, according to the actual processed plate material.
Each grinding head 1 is provided with the grinding head track 51, and two ends of the grinding head track 51 are respectively the farthest end and the nearest end; the grinding stones 1 are gradually reduced in the interval between the grinding stones 1 and the main drive shaft 24 from the distal-most end toward the proximal-most end along the grinding stone rails 51. Therefore, when the utility model discloses when the size of needs according to actual machined part is adjusted, can migrate the mounted position of bistrique 1 to the change of 1 radius size of polishing is newly realized, with heightening the utility model discloses an suitability.
In the aspect of changing the installation position of the grinding head 1, the grinding head track 51 is a long hole formed in the revolving grinding disc 5, the rotating shaft base 13 is fixedly installed on the upper surface of the revolving grinding disc 5, and the grinding head driving shaft 12 inside the rotating shaft base passes through the long hole to grind a workpiece below the revolving grinding disc 5. Through be in the orbital mode of revolving plate trompil formation bistrique, can effectively reduce the dead weight of revolution mill, reduce the bearing burden of revolution mill simultaneously.
Further, in order to facilitate control of the revolution radius of each grinding stone, a plurality of positioning holes (not all shown in the drawings) for controlling the mounting positions of the grinding stones are provided along both sides of the grinding stone rail 51. And each grinding head can be positioned and installed according to the preset position of the positioning hole.
The linkage assembly 4 comprises a first transmission wheel 41 arranged on the planet gear shaft 22, a second transmission wheel 42 arranged on the grinding head driving shaft 12 and a synchronous transmission piece 43, wherein the first transmission wheel 41 drives the second transmission wheel 42 to rotate through the synchronous transmission piece 43. It should be noted that the synchronous transmission element 43 can be a gear set, a transmission chain, a synchronous belt, a transmission shaft, etc. Based on weight, transmission efficiency, structural simplicity and maintenance replacement convenience, the timing drive is preferably a synchronous belt.
Further, since the synchronous drive member is provided, it is generally a fixed length value, and when the distance between the grinding head 1 and the main drive shaft 24 is changed, it is generally necessary to replace the synchronous drive member of the corresponding drive length.
Consequently, in order to avoid the change apolegamy of synchronous rotation piece, in order to improve the utility model discloses work efficiency, reduction workman's the maintenance degree of difficulty and intensity of labour. The trajectory of the grinding head orbit 51 is an arc with the planetary gear shaft 22 as the center. When bistrique 1 moves along bistrique track 51 of this circular arc orbit, can be in keeping bistrique drive shaft 12 with under the unchangeable condition of transmission distance between the planet gear shaft 22, change gradually distance between bistrique 1 and the main drive shaft 24 changes promptly the utility model discloses a radius of polishing. Preferably, the most distal ends of said respective tracks are all located on the same concentric circle; the most proximal ends of the tracks are all located on the same concentric circle.
Based on the utility model discloses a usage, can produce the powder or the large granule sweeps of a large amount of work pieces in its work, in order to avoid it to fly into in the planetary gear set mechanism, and influence the meshing transmission between its gear. The planetary frame 21 is of a shell structure, and the gear parts of the sun gear 23 and the planetary gear shafts 22 are arranged in the shell structure, so that pollution and erosion of the internal core transmission parts are avoided, and meanwhile, the maintenance period is prolonged.
The mill also comprises a traction sleeve 6 for connecting external equipment and a flange 61 connected with the traction sleeve 6, wherein the traction sleeve 6 is arranged on the main driving shaft 24, and the sun wheel 23 is connected to the bottom of the traction sleeve 7. Therefore, the utility model discloses the accessible flange 61 loads on the production line or on other swing arms and the arm.
In order to reduce the friction between the traction sleeve and the planet rack, a bearing is arranged between the traction sleeve and the planet rack, and similarly, the bearing is sleeved at the bottom end of the main driving shaft to reduce the friction between the main driving shaft and the planet rack.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (10)
1. A variable-pitch grinding machine is characterized by comprising a plurality of grinding heads, a planetary gear set mechanism and a driving device, wherein the planetary gear set mechanism is used for driving the grinding heads to rotate and comprises a planetary frame, a planetary gear shaft and a sun gear meshed with the planetary gear shaft, and the planetary gear shaft is provided with a linkage assembly used for driving the grinding heads;
the planetary frame is provided with a revolution grinding disc and a main driving shaft connected with the driving device, the revolution grinding disc is provided with a grinding head track used for adjusting the distance between the grinding head and the main driving shaft, and the grinding head is arranged on the grinding head track;
the driving device drives the planetary frame to rotate through the main driving shaft, so that the grinding head arranged on the planetary frame revolves around the main driving shaft while being driven by the planetary gear shaft.
2. A pitch-variable grinding machine according to claim 1, wherein the trajectory of said grinding head orbit is an arc of a circle centered on said planet gear shaft.
3. A pitch-variable grinding machine according to claim 1 or 2, wherein each grinding head is provided with the grinding head rail, both ends of which are respectively a farthest end and a nearest end;
the grater tracks along which the spacing between the grater and the main drive shaft decreases progressively from the distal-most end to the proximal-most end.
4. The pitch grinding machine of claim 1, wherein said grinding head orbit is a long hole of said revolving grinding disc.
5. A pitch-variable grinding machine according to claim 1 or 4, wherein a plurality of positioning holes for controlling the mounting positions of said grinding stones are provided on both sides of said grinding stone rail.
6. The pitch varying grinding machine as claimed in claim 1, wherein the grinding head includes a rotating disk for mounting the grinding member, and a grinding head driving shaft and a rotating shaft base for driving the rotating disk to rotate, the grinding head driving shaft being mounted on the rotating shaft base, the grinding head driving shaft being connected at one end to the rotating disk and at the other end to the linkage assembly.
7. A pitch mill according to claim 6, wherein the linkage assembly comprises a first drive wheel mounted on the planet pin, a second drive wheel mounted on the grinding head drive shaft and a synchronising drive, the first drive wheel driving the second drive wheel in rotation via the synchronising drive.
8. A pitch mill according to claim 3, wherein the most distal ends of the respective grinding head tracks are all located on the same concentric circle;
the most proximal ends of the grinding head tracks are all located on the same concentric circle.
9. A pitch mill according to claim 1, wherein the planet carrier is a housing structure, the gear portions of the sun gear and planet pins being disposed within the housing structure;
the mill further comprises a traction sleeve for connecting external equipment, the traction sleeve is sleeved on the main driving shaft, and the sun gear is connected to the bottom of the traction sleeve.
10. A pitch mill according to claim 5 wherein the drive means comprises a motor and a reduction gearbox, the main drive shaft being mounted on the reduction gearbox, the motor driving the main drive shaft through the reduction gearbox.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020494670.4U CN212351525U (en) | 2020-04-07 | 2020-04-07 | Variable-pitch mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020494670.4U CN212351525U (en) | 2020-04-07 | 2020-04-07 | Variable-pitch mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212351525U true CN212351525U (en) | 2021-01-15 |
Family
ID=74138946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020494670.4U Active CN212351525U (en) | 2020-04-07 | 2020-04-07 | Variable-pitch mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212351525U (en) |
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2020
- 2020-04-07 CN CN202020494670.4U patent/CN212351525U/en active Active
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