CN217991999U - Hand-operated grinding machine - Google Patents
Hand-operated grinding machine Download PDFInfo
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- CN217991999U CN217991999U CN202222641376.3U CN202222641376U CN217991999U CN 217991999 U CN217991999 U CN 217991999U CN 202222641376 U CN202222641376 U CN 202222641376U CN 217991999 U CN217991999 U CN 217991999U
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Abstract
The utility model relates to the technical field of grinding machines, in particular to a hand-operated grinding machine, which comprises a containing box, a grinding component, a rotating handle, a second rotating plate, a second rotating shaft and a sliding block; the polishing assembly comprises a polishing blade, a first rotating plate, a first rotating shaft, a sliding cylinder, a fixing plate, a fixing rod and a spring; the containing box is provided with an opening; the second rotating shaft is rotatably arranged in the containing box; the second rotating plate is arranged on the second rotating shaft; the sliding block is arranged on the second rotating plate in a sliding mode, and two grooves are formed in the sliding block; the second rotating plate is provided with a lifting component; the containing box is provided with a limiting component; the first rotating plate is rotatably arranged on the sliding block through a third rotating shaft; two ends of the first rotating shaft are connected with the rotating handle and the polishing blade; the fixed rod is arranged on the first rotating plate; the sliding cylinder is connected with the fixed rod in a sliding manner; the fixed plate is arranged on the sliding cylinder and is connected with the first rotating plate through a spring. The utility model discloses simple structure, the size is little, is convenient for remove the device and be convenient for assemble the use.
Description
Technical Field
The utility model relates to a grinding machine technical field, concretely relates to hand grinding machine.
Background
Grinding is one of surface modification technologies, generally refers to a processing method for changing physical properties of a material surface by friction with the aid of a rough object, and mainly aims to obtain specific surface roughness. However, when a plurality of parts which are small in size and distributed dispersedly are ground and machined in the existing hand-operated grinding machine, a worker may be required to move the grinding machine between positions where the parts are located continuously, and although the existing hand-operated grinding machine has less power supply mechanisms than a common grinding machine, the weight is reduced, the size is reduced, and time and labor are still wasted when the hand-operated grinding machine is moved.
The Chinese patent with the granted publication number of CN212095703U discloses a portable hand-operated grinding machine, which comprises a supporting mechanism, a grinding mechanism, a workbench, a first shell and a second shell; the first shell and the second shell form a box body for placing the supporting mechanism, the polishing mechanism and the workbench when rotating and closing around the mutual hinged joint; the first shell rotates and opens around the hinge joint relative to the second shell to form a base for supporting a supporting mechanism when an included angle between the first shell and the second shell is 180 degrees, and the supporting mechanism comprises a supporting bottom rod, a main supporting rod, a supporting seat, a supporting cross rod and an auxiliary supporting rod; one end of the supporting cross rod is fixedly connected with a sliding block, and the other end of the supporting cross rod is provided with a clamping sheet; grinding machanism passes through the draw-in groove and can dismantle with the cooperation between the joint piece to be connected, and the setting of this scheme helps reducing the whole volume when this portable hand grinding machine removes, has improved the portability.
However, the above device requires assembling the device by a plurality of parts, which makes the assembly of the device complicated and makes it inconvenient to use the device.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is to the problem that exists among the background art, provides a hand grinding machine convenient to assemble and use.
The technical scheme of the utility model: a hand-operated grinding machine comprises a containing box, a grinding assembly, a sealing cover, a second rotating plate, a second rotating shaft and a sliding block; the polishing assembly comprises a polishing blade, a first rotating plate, a first rotating shaft, a sliding cylinder, a fixing plate, a fixing rod and a spring;
an opening is arranged on the upper end face of the containing box; the sealing cover is arranged in the opening in a matching way; the second rotating shaft is rotatably arranged in the containing box; the second rotating plate is arranged on the second rotating shaft; the sliding block is arranged on the second rotating plate in a sliding mode, and two grooves are formed in the end face, far away from the second rotating plate, of the sliding block; the second rotating plate is provided with a lifting assembly for driving the sliding block to move; the containing box is provided with a limiting component for limiting the second rotating plate;
the first rotating plate is provided with a third rotating shaft, and the first rotating plate is rotatably arranged on the sliding block through the third rotating shaft; one end of the first rotating shaft is provided with a rotating handle, the other end of the first rotating shaft penetrates through the first rotating plate and is connected with the polishing blade, and the middle part of the first rotating shaft is rotatably arranged on the first rotating plate; the fixed rod is arranged on the end face, facing the sliding block, of the first rotating plate; the sliding cylinder is connected with the outer peripheral surface of the fixing rod in a sliding manner, and a plurality of lugs which are matched and pressed with the grooves are arranged on the outer peripheral surface of the sliding cylinder in a matching manner; the fixed plate is arranged on the sliding cylinder and is connected with the first rotating plate through a spring.
Preferably, the limiting assembly comprises two connecting plates and a bolt; the two connecting plates are arranged on the upper end face of the containing box side by side and are respectively positioned on two sides of the opening; the bolt is in threaded connection with the two connecting plates; and under the working state of the grinding assembly, the bolt is tightly pressed on the second rotating plate.
Preferably, the lifting assembly comprises a motor and a threaded rod; the second rotating plate is provided with a mounting groove; the threaded rod is rotatably arranged in the mounting groove; the motor is arranged in the mounting groove and is in transmission connection with the threaded rod; the slider sliding connection mounting groove's inner wall, slider threaded connection threaded rod.
Preferably, the bottom surface of the storage box is provided with an anti-slip layer.
Preferably, the containing box is internally provided with a first limiting plate and a second limiting plate which are used for limiting the rotation of the second rotating plate.
Preferably, the upper end of the first limiting plate is provided with a rubber pad.
Preferably, the seal cover is provided with a clamp for clamping the workpiece.
Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:
a user opens the sealing cover, then rotates the second rotating plate, and fixes the second rotating plate through the bolt; then, the fixed plate is pulled to enable the sliding cylinder to move, and meanwhile, the fixed plate extrudes the spring, so that the sliding cylinder and the plurality of bumps are separated from one groove, and the first rotating plate is convenient to rotate; after the first rotating plate rotates to the horizontal direction, the fixed plate is loosened, the spring pushes the fixed plate and the sliding cylinder to move, so that the sliding cylinder is matched and extends into the other groove, the fixed plate is extruded, the plurality of bumps are matched and pressed on the inner wall of the groove, and the first rotating plate is stably installed; the workpiece is clamped through the clamp, the motor drives the threaded rod to rotate, so that the sliding block drives the first rotating plate to move, the workpieces with different heights can be conveniently processed, the workpiece is polished by the polishing blade after the rotating handle is rotated, and the whole device is simple and convenient to install and convenient to use; when the device is not used, the device can be stored in the storage box to move through the rotation of the first rotating plate and the rotation of the second rotating plate, and the practicability of the device is further improved.
The rotation of the second rotating plate can be limited by arranging the first limiting plate and the second limiting plate, so that the second rotating plate can be limited by bolts conveniently; meanwhile, the grinding blade pressed tightly on the first limiting plate is protected through the arranged rubber pad.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a schematic structural view of the polishing assembly of the present invention.
Fig. 4 is a partially enlarged schematic view of a portion a of fig. 3.
Reference numerals: 1. a storage box; 101. an opening; 2. a first limit plate; 21. a rubber pad; 3. polishing the assembly; 31. polishing the blade; 32. a first rotating plate; 33. a handle is rotated; 34. a first rotating shaft; 35. a sliding cylinder; 36. a bump; 37. a fixing plate; 38. fixing the rod; 39. a spring; 310. a third rotating shaft; 4. a sealing cover; 5. a second rotating plate; 501. mounting grooves; 6. a second limiting plate; 7. a second rotating shaft; 8. a motor; 9. a threaded rod; 10. a connecting plate; 11. a bolt; 12. a slider; 1201. and (4) a groove.
Detailed Description
Example one
As shown in fig. 1-4, the utility model provides a hand grinding machine, which comprises a containing box 1, a grinding component 3, a sealing cover 4, a second rotating plate 5, a second rotating shaft 7 and a sliding block 12; the sharpening assembly 3 includes a sharpening blade 31, a first rotating plate 32, a first rotating shaft 34, a sliding cylinder 35, a fixed plate 37, a fixed rod 38 and a spring 39.
An opening 101 is arranged on the upper end surface of the containing box 1, and an anti-skid layer is arranged on the bottom surface of the containing box 1; the sealing cover 4 is arranged in the opening 101 in a matching mode, and a clamp used for clamping a workpiece is arranged on the sealing cover 4; the clamp adopts the existing clamp components, and adopts but is not limited to fixed blocks, threaded rods and clamping blocks; when the device is moved, the clamp is positioned in the containing box 1, and when a workpiece is processed, the sealing cover 4 is mounted in an overturning manner, so that the clamp is positioned outside the containing box 1, and the workpiece is conveniently clamped; the second rotating shaft 7 is rotatably arranged in the containing box 1; the second rotating plate 5 is arranged on the second rotating shaft 7; the sliding block 12 is arranged on the second rotating plate 5 in a sliding manner, and two grooves 1201 are formed in the end face, away from the second rotating plate 5, of the sliding block 12; the second rotating plate 5 is provided with a lifting component for driving the sliding block 12 to move; the lifting assembly comprises a motor 8 and a threaded rod 9; the second rotating plate 5 is provided with a mounting groove 501; the threaded rod 9 is rotatably arranged in the mounting groove 501; the motor 8 is arranged in the mounting groove 501, and the motor 8 is in transmission connection with the threaded rod 9; the slide block 12 is connected with the inner wall of the mounting groove 501 in a sliding manner, and the slide block 12 is connected with the threaded rod 9 in a threaded manner; the containing box 1 is provided with a limiting component for limiting the second rotating plate 5; the limiting assembly comprises two connecting plates 10 and a bolt 11; the two connecting plates 10 are arranged on the upper end surface of the containing box 1 side by side, and the two connecting plates 10 are respectively positioned on two sides of the opening 101; the bolt 11 is in threaded connection with the two connecting plates 10; in the working state of the grinding assembly 3, the bolt 11 is pressed on the second rotating plate 5.
The first rotating plate 32 is provided with a third rotating shaft 310, and the first rotating plate 32 is rotatably arranged on the sliding block 12 through the third rotating shaft 310; one end of the first rotating shaft 34 is provided with a rotating handle 33, the other end of the first rotating shaft 34 penetrates through the first rotating plate 32 and is connected with the grinding blade 31, and the middle part of the first rotating shaft 34 is rotatably arranged on the first rotating plate 32; the fixing rod 38 is mounted on the end face of the first rotation plate 32 facing the slider 12; the sliding cylinder 35 is slidably connected with the outer peripheral surface of the fixing rod 38, and a plurality of lugs 36 which are matched and pressed with the grooves 1201 are arranged on the outer peripheral surface of the sliding cylinder 35; a fixed plate 37 is mounted on the sliding cylinder 35, and the fixed plate 37 is connected to the first rotating plate 32 through a spring 39; the spring 39 is always in a compressed state.
In the utility model, when in use, a user opens the sealing cover 4, then rotates the second rotating plate 5, and fixes the second rotating plate 5 through the bolt 11; then, by pulling the fixed plate 37, the sliding cylinder 35 is moved, and at the same time, the fixed plate 37 presses the spring 39, so that the sliding cylinder 35 and the plurality of protrusions 36 are separated from one of the grooves 1201, thereby facilitating the rotation of the first rotation plate 32; after the first rotation plate 32 rotates to the horizontal direction, the fixed plate 37 is released, the spring 39 pushes the fixed plate 37 and the sliding cylinder 35 to move, so that the sliding cylinder 35 is matched and extends into the other groove 1201, and the fixed plate 37 is pressed, so that the lugs 36 are matched and pressed on the inner wall of the groove 1201, and the first rotation plate 32 is stably installed; the workpiece is clamped through the clamp, the motor 8 drives the threaded rod 9 to rotate, so that the sliding block 12 drives the first rotating plate 32 to move, workpieces with different heights can be conveniently machined, the polishing blade 31 polishes the workpiece after the rotating handle 33 is rotated, and the whole device is simple and convenient to install and convenient to use; when the device is not used, the device can be stored in the storage box 1 and moved by rotating the first rotating plate 32 and the second rotating plate 5, and the practicability of the device is further improved.
Example two
As shown in fig. 2, compared with the first embodiment, the hand-operated grinding machine of the present invention has a first limiting plate 2 and a second limiting plate 6 disposed in the storage box 1 for limiting the rotation of the second rotating plate 5; the upper end of the first limit plate 2 is provided with a rubber pad 21.
In this embodiment, when in use, the rotation of the second rotating plate 5 can be limited by arranging the first limiting plate 2 and the second limiting plate 6, so that the second rotating plate 5 can be limited by the bolt 11; meanwhile, the grinding blade 31 pressed on the first limiting plate 2 is protected conveniently through the arranged rubber pad 21.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.
Claims (7)
1. A hand-operated grinding machine is characterized by comprising a containing box (1), a grinding assembly (3), a sealing cover (4), a second rotating plate (5), a second rotating shaft (7) and a sliding block (12); the grinding assembly (3) comprises a grinding blade (31), a first rotating plate (32), a first rotating shaft (34), a sliding cylinder (35), a fixing plate (37), a fixing rod (38) and a spring (39);
an opening (101) is arranged on the upper end surface of the containing box (1); the sealing cover (4) is arranged in the opening (101) in a matching way; the second rotating shaft (7) is rotatably arranged in the containing box (1); the second rotating plate (5) is arranged on the second rotating shaft (7); the sliding block (12) is arranged on the second rotating plate (5) in a sliding mode, and two grooves (1201) are formed in the end face, far away from the second rotating plate (5), of the sliding block (12); the second rotating plate (5) is provided with a lifting component for driving the sliding block (12) to move; the containing box (1) is provided with a limiting component for limiting the second rotating plate (5);
the first rotating plate (32) is provided with a third rotating shaft (310), and the first rotating plate (32) is rotatably arranged on the sliding block (12) through the third rotating shaft (310); one end of the first rotating shaft (34) is provided with a rotating handle (33), the other end of the first rotating shaft (34) penetrates through the first rotating plate (32) and is connected with the grinding blade (31), and the middle part of the first rotating shaft (34) is rotatably arranged on the first rotating plate (32); the fixed rod (38) is arranged on the end surface of the first rotating plate (32) facing the sliding block (12); the sliding cylinder (35) is connected with the outer peripheral surface of the fixing rod (38) in a sliding mode, and a plurality of protruding blocks (36) used for being matched and pressed with the grooves (1201) are arranged on the outer peripheral surface of the sliding cylinder (35) in a matched mode; the fixed plate (37) is mounted on the sliding cylinder (35), and the fixed plate (37) is connected with the first rotating plate (32) through a spring (39).
2. The hand grinding machine of claim 1, wherein the limiting assembly comprises two connecting plates (10) and a bolt (11); the two connecting plates (10) are arranged on the upper end face of the containing box (1) side by side, and the two connecting plates (10) are respectively positioned on two sides of the opening (101); the bolt (11) is in threaded connection with the two connecting plates (10); and when the grinding assembly (3) is in a working state, the bolt (11) is pressed on the second rotating plate (5).
3. A hand grinder as claimed in claim 1, characterised in that the lifting assembly comprises a motor (8) and a threaded rod (9); the second rotating plate (5) is provided with a mounting groove (501); the threaded rod (9) is rotatably arranged in the mounting groove (501); the motor (8) is arranged in the mounting groove (501), and the motor (8) is in transmission connection with the threaded rod (9); the slide block (12) is connected with the inner wall of the mounting groove (501) in a sliding manner, and the slide block (12) is connected with the threaded rod (9) in a threaded manner.
4. The hand grinding machine according to claim 1, characterized in that the bottom surface of the storage box (1) is provided with an anti-slip layer.
5. The hand grinding machine of claim 1, wherein the containing box (1) is internally provided with a first limiting plate (2) and a second limiting plate (6) for limiting the rotation of the second rotating plate (5).
6. The hand grinder according to claim 5, wherein the upper end of the first limiting plate (2) is provided with a rubber pad (21).
7. The hand grinding machine of claim 1, wherein the sealing cover (4) is provided with a clamp for clamping the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222641376.3U CN217991999U (en) | 2022-10-08 | 2022-10-08 | Hand-operated grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222641376.3U CN217991999U (en) | 2022-10-08 | 2022-10-08 | Hand-operated grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217991999U true CN217991999U (en) | 2022-12-09 |
Family
ID=84291249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222641376.3U Active CN217991999U (en) | 2022-10-08 | 2022-10-08 | Hand-operated grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217991999U (en) |
-
2022
- 2022-10-08 CN CN202222641376.3U patent/CN217991999U/en active Active
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