CN209772284U - Sand mill is with sand abrasive disc replacement device - Google Patents
Sand mill is with sand abrasive disc replacement device Download PDFInfo
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- CN209772284U CN209772284U CN201920145901.8U CN201920145901U CN209772284U CN 209772284 U CN209772284 U CN 209772284U CN 201920145901 U CN201920145901 U CN 201920145901U CN 209772284 U CN209772284 U CN 209772284U
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Abstract
The utility model discloses a device is changed with sand abrasive disc to sand mill, including dispersion impeller and hollow cover, the fixedly connected with position sleeve of the inside center department of dispersion impeller, the dispersion axle has been run through to the inside of position sleeve, the surface of position sleeve has been run through to have the screw, and the tip threaded connection of screw in the inside of dispersion axle, the outer wall welding of hollow cover has the mounting bracket, the hollow pipe of outer wall fixedly connected with of mounting bracket. This device is changed with sand abrasive disc to sand mill, the structure is retrencied, and convenient operation, through the pulling stopper, the cooperation locating lever is used, conveniently adjust step motor's position, after screwdrivers blade and screwed connection, when cooperation step motor made the screw back out, step motor returns to the hollow pipe now, under the effect of locating lever cooperation spring, the convenience is fixed a position the step motor who removes, improve the screw at the screw back out with the stability when screwing in, improve the security and the efficiency of sand abrasive disc when changing greatly.
Description
Technical Field
The utility model belongs to the technical field of the sand mill, concretely relates to sand mill is with sand abrasive disc replacement device.
Background
A sand mill is a processing apparatus for agitating surface coating materials such as paints, coatings, etc., which is finely divided and uniformly dispersed in a solvent by subjecting particles of a slurry to strong impact, shearing, rubbing, squeezing, etc. by the combined action of a dispersion plate and a grinding medium in a grinding cylinder.
In the inner structure of sand mill, the dispersion impeller is the dull polish piece promptly, and the dispersion impeller is in the inside of grinding the chamber, and the cooperation dispersion axle convenient to use grinds material granule, and the dispersion impeller causes surperficial wearing and tearing easily after long-time use, consequently just needs to change the dispersion impeller.
At present, the dispersion impeller is generally more tedious in the process of replacement, wastes time and energy when the multi-component dispersion impeller is replaced, and the replacement efficiency is lower, so that the sand grinding plate replacement device for the sand mill is needed in order to replace the dispersion impeller conveniently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sand mill is with sand abrasive disc replacement device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a sand grinding sheet replacing device for a sand mill comprises a dispersion disc and a hollow sleeve, wherein a positioning sleeve is fixedly connected at the center of the inner part of the dispersion disc, a dispersion shaft penetrates through the inner part of the positioning sleeve, a screw penetrates through the surface of the positioning sleeve, the end part of the screw is connected with the inside of the dispersion shaft in a threaded manner, the outer wall of the hollow sleeve is welded with a mounting rack, the outer wall of the mounting rack is fixedly connected with a hollow round pipe, a push plate is arranged inside the hollow round pipe, the left wall of the push plate is fixedly connected with a stepping motor, the output end of the stepping motor is fixedly connected with a screwdriver head, the right wall of the push plate is fixedly connected with a positioning rod, the end part of the right side of the positioning rod penetrates through the mounting rack, and extend to the outside and the stopper of mounting bracket, the outside cover of locating lever has the spring, the top fixedly connected with lithium cell group of mounting bracket, the top fixedly connected with driver switch of mounting bracket.
This setting is used for through pulling the stopper, and the cooperation locating lever is used, conveniently adjusts step motor's position, and after screwdriver head and screw connection, when cooperation step motor made the screw back-out, step motor retracted to hollow circular tube now, under the effect of locating lever cooperation spring, conveniently fixes a position the step motor that removes, improves the screw and back-out and the stability when screwing in at the screw, improves the security and the efficiency of sand abrasive disc when changing greatly.
Preferably, the top fixedly connected with driver of mounting bracket, and step motor, lithium cell group and driver switch all pass through wire and driver electric connection.
This setting is used for conveniently through the in-process of operating the driver switch, and the cooperation driver uses the positive and negative rotation of control step motor, realizes that the screw is unscrewed and the screw in at the screw thread.
The driver is arranged between the lithium battery pack and the driver switch, and is a stepping motor driver module with a TB6560 driving plate model.
Preferably, the push plate is circular in shape and is in contact with the inner wall of the hollow circular tube.
This setting is used for improving step motor when promoting the push pedal, the stability that removes in hollow circular tube.
Preferably, the spring is arranged in the hollow circular tube, and the push plate is arranged on one side of the push plate.
Preferably, the screw is a socket head cap screw, and the type of the screwdriver head is matched with the screw for use.
The utility model discloses a technological effect and advantage: this device is changed with sand abrasive disc to sand mill, the structure is retrencied, and convenient operation, through the pulling stopper, the cooperation locating lever is used, conveniently adjust step motor's position, after screwdrivers blade and screwed connection, when cooperation step motor made the screw back out, step motor returns to the hollow pipe now, under the effect of locating lever cooperation spring, the convenience is fixed a position the step motor who removes, improve the screw at the screw back out with the stability when screwing in, improve the security and the efficiency of sand abrasive disc when changing greatly.
Drawings
Fig. 1 is a schematic view of a dispersing plate and a dispersing shaft of the present invention;
FIG. 2 is a sectional view of the structure of the present invention;
Fig. 3 is a schematic structural diagram of the present invention.
In the figure: 1. a dispersion tray; 2. a positioning sleeve; 3. a dispersion shaft; 4. a screw; 5. a hollow sleeve; 6. a mounting frame; 7. a hollow circular tube; 8. pushing the plate; 9. a stepping motor; 10. a screwdriver bit; 11. positioning a rod; 12. a limiting block; 13. a spring; 14. a lithium battery pack; 15. a driver switch; 16. a driver.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a sand grinding disc replacing device for a sand mill as shown in figures 1-3, which comprises a dispersion disc 1 and a hollow sleeve 5, wherein the center of the inner part of the dispersion disc 1 is fixedly connected with a positioning sleeve 2, a dispersion shaft 3 penetrates through the inner part of the positioning sleeve 2, a screw 4 penetrates through the surface of the positioning sleeve 2, the end part of the screw 4 is in threaded connection with the inner part of the dispersion shaft 3, the outer wall of the hollow sleeve 5 is welded with a mounting frame 6, the outer wall of the mounting frame 6 is fixedly connected with a hollow circular tube 7, the inner part of the hollow circular tube 7 is provided with a push plate 8, the left wall of the push plate 8 is fixedly connected with a stepping motor 9, the stepping motor 9 controls the pulse frequency through a driver 16 to adjust the rotating speed and the rotating direction of the stepping motor 9, the forward and reverse rotation of the stepping motor 9 are realized to achieve the effect of screwing in and screwing out the screw 4, the, the right wall fixedly connected with locating lever 11 of push pedal 8, the right side tip of locating lever 11 runs through mounting bracket 6, and extends to the outside and stopper 12 of mounting bracket 6, the outside cover of locating lever 11 has spring 13, the top fixedly connected with lithium cell group 14 of mounting bracket 6, the top fixedly connected with driver switch 15 of mounting bracket 6.
specifically, the top end of the mounting frame 6 is fixedly connected with a driver 16, and the stepping motor 9, the lithium battery pack 14 and the driver switch 15 are all electrically connected with the driver 16 through wires.
Specifically, the driver 16 is disposed between the lithium battery pack 14 and the driver switch 15, and the driver 16 is a stepping motor driver module and is a TB6560 driver board.
Specifically, the shape of the push plate 8 is circular, and the push plate 8 is in contact with the inner wall of the hollow circular tube 7.
Specifically, the spring 13 is arranged inside the hollow circular tube 7, and one side of the push plate 8 is arranged.
Specifically, the screw 4 is a socket head cap screw, and the type of the screwdriver bit 10 is matched with the screw 4 for use.
When the sand grinding sheet replacing device for the sand mill is used, when the dispersion disc 1 is disassembled, the hollow sleeve 5 is firstly sleeved on the outer side of the dispersion shaft 3, at the moment, the position of the stepping motor 9 is adjusted by pulling the limiting block 12 and matching with the positioning rod 11, when the screwdriver bit 10 is inserted into the screw 4, the stepping motor 9 is rotated under the action of the driver 16, at the moment, the screw 4 is screwed out of the internal thread of the dispersion shaft 3, the screw 4 on one side is taken out, at the moment, the hollow sleeve 5 is rotated to the other side of the dispersion shaft 3, and then the screwdriver bit 10 is inserted into the screw 4 on the other side, so that the screws 4 on the two sides are sequentially disassembled, and the dispersion disc 1 is conveniently taken out of the dispersion shaft 3; when the dispersion disc 1 is installed, firstly the dispersion disc 1 is sleeved on the outer side of the dispersion shaft 3, then the screws 4 are pre-tightened in the dispersion shaft 3 in sequence to complete the positioning between the dispersion disc 1 and the dispersion shaft 3, at the moment, the hollow sleeve 5 is sleeved on the outer side of the dispersion shaft 3, the position of the stepping motor 9 is adjusted by pulling the limit block 12 and matching with the positioning rod 11, when the screwdriver head 10 is inserted into the screw 4, the stepping motor 9 is rotated in the reverse direction by the driver 16, the screw 4 is screwed into the dispersion shaft 3 to fix the screw 4 on one side, the screwdriver head 10 is inserted into the screw 4 on the other side by rotating the hollow sleeve 5 to the other side of the dispersion shaft 3, thereby accomplish the screw in of both sides screw 4 in proper order, conveniently fix dispersion impeller 1 and dispersion axle 3, improve the efficiency that dispersion axle 3 was changed. The device, the structure is retrencied, and convenient for operation, through pulling stopper 12, cooperation locating lever 11 uses, conveniently adjust step motor 9's position, after screwdriver head 10 is connected with screw 4, when cooperation step motor 9 makes screw 4 screw-out, step motor 9 returns to hollow pipe 7 internal retraction at this moment, under the effect of locating lever 11 cooperation spring 13, the convenience is fixed a position step motor 9 to the removal, improve screw 4 at the screw thread screw-out with the stability when screwing in, improve the security and the efficiency of sand abrasive disc when changing greatly.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a sand mill sheet changes device for sand mill, includes dispersion impeller (1) and hollow cover (5), its characterized in that: the center of the inner part of the dispersion disc (1) is fixedly connected with a positioning sleeve (2), the inner part of the positioning sleeve (2) is penetrated with a dispersion shaft (3), the surface of the positioning sleeve (2) is penetrated with a screw (4), the end part of the screw (4) is in threaded connection with the inner part of the dispersion shaft (3), the outer wall of the hollow sleeve (5) is welded with a mounting rack (6), the outer wall of the mounting rack (6) is fixedly connected with a hollow round pipe (7), the inner part of the hollow round pipe (7) is provided with a push plate (8), the left wall of the push plate (8) is fixedly connected with a stepping motor (9), the output end of the stepping motor (9) is fixedly connected with a screw driver bit (10), the right wall of the push plate (8) is fixedly connected with a positioning rod (11), the right end part of the positioning rod (11) is penetrated through the mounting rack (6) and extends to, the outside cover of locating lever (11) has spring (13), the top fixedly connected with lithium cell group (14) of mounting bracket (6), the top fixedly connected with driver switch (15) of mounting bracket (6).
2. A sanding sheet changing apparatus for a sanding machine according to claim 1, characterized in that: the top fixedly connected with driver (16) of mounting bracket (6), and step motor (9), lithium cell group (14) and driver switch (15) all pass through wire and driver (16) electric connection.
3. A sanding sheet changing apparatus for a sanding machine according to claim 2, characterized in that: the driver (16) is arranged between the lithium battery pack (14) and the driver switch (15), and the driver (16) is a stepping motor driver module and is a TB6560 driving plate.
4. A sanding sheet changing apparatus for a sanding machine according to claim 1, characterized in that: the push plate (8) is circular, and the push plate (8) is in contact with the inner wall of the hollow circular tube (7).
5. A sanding sheet changing apparatus for a sanding machine according to claim 1, characterized in that: the spring (13) is arranged in the hollow circular tube (7), and one side of the push plate (8) is arranged.
6. A sanding sheet changing apparatus for a sanding machine according to claim 1, characterized in that: the screw (4) is a socket head cap screw, and the type of the screwdriver head (10) is matched with the screw (4) for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920145901.8U CN209772284U (en) | 2019-01-28 | 2019-01-28 | Sand mill is with sand abrasive disc replacement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920145901.8U CN209772284U (en) | 2019-01-28 | 2019-01-28 | Sand mill is with sand abrasive disc replacement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209772284U true CN209772284U (en) | 2019-12-13 |
Family
ID=68793830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920145901.8U Active CN209772284U (en) | 2019-01-28 | 2019-01-28 | Sand mill is with sand abrasive disc replacement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209772284U (en) |
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2019
- 2019-01-28 CN CN201920145901.8U patent/CN209772284U/en active Active
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