CN220296747U - Quick-change chuck type pen-shaped electric grinder - Google Patents
Quick-change chuck type pen-shaped electric grinder Download PDFInfo
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- CN220296747U CN220296747U CN202322026304.2U CN202322026304U CN220296747U CN 220296747 U CN220296747 U CN 220296747U CN 202322026304 U CN202322026304 U CN 202322026304U CN 220296747 U CN220296747 U CN 220296747U
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- electric grinder
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- 230000007547 defect Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model provides a quick-change chuck type pen-shaped electric mill, which comprises a shell component, a chuck component, a jacket, a pushing seat and an adjusting knob, wherein the shell component comprises a pen clamp and a pen holder which is in threaded connection with the pen clamp; the chuck assembly is rotatably arranged in the shell assembly; the clamping sleeve is positioned in the pen clamp and sleeved at the front end of the clamping head assembly, and is used for enabling the clamping head assembly to clamp or loosen; the pushing seat is positioned in the penholder and sleeved at the rear end of the chuck assembly and is used for pushing the chuck assembly to axially move; the pushing seat is symmetrically provided with shaft pins which penetrate through the pen holder and are arranged in the pen clip; the adjusting knob is rotatably arranged between the pen holder and the pen holder; one end of the adjusting knob, which faces the pushing seat, is provided with an annular concave-convex part, and the annular concave-convex part corresponds to the shaft pin and is used for driving the shaft pin to slide so as to drive the chuck assembly to slide along the axial direction; the quick-change chuck type pen-shaped electric grinding head overcomes the defects of laborious replacement and low efficiency of the existing electric grinding head.
Description
Technical Field
The utility model relates to the field of electric grinding, in particular to a quick-change chuck type pen-shaped electric grinding.
Background
Electric grinder is an indispensable electric tool in mould industry, furniture industry, machining industry and the like, and the consumption of electric grinder is continuously increased along with the rapid development of economy in China. The polishing machine is popular with users because of good polishing effect and high precision.
At present, the variety of electric grinding heads is more, and the electric grinding heads are required to be disassembled and assembled according to the use scene, so that the quick disassembly and assembly of the electric grinding heads are always a concern. As disclosed in patent No. CN214237724U, an integral quick assembling and disassembling structure device for an electric grinder chuck comprises a gear box, an output shaft, a mounting hole, an integral chuck, a locking hole, a locking groove, a threaded column and an electric grinder head, wherein the top end of the gear box is provided with the output shaft, and the bottom end of the electric grinder head is inserted into the locking hole in the integral chuck and locked with the mounting hole in the output shaft through the threaded column at the bottom of the integral chuck; when the chuck is replaced, the hexagonal end of the integrated chuck needs to be screwed by a hexagonal wrench, so that the operation is more laborious and the replacement efficiency is low.
Disclosure of Invention
First, the technical problem to be solved
The utility model aims to solve the problem of providing a quick-change chuck type pen-shaped electric grinder, which aims to overcome the defects of laborious replacement and low efficiency of the existing electric grinder.
(II) technical scheme
In order to solve the technical problems, the utility model provides a quick-change chuck type pen-shaped electric grinder, which comprises:
the shell component comprises a pen clip and a pen holder which is connected in the pen clip in a threaded manner;
a collet assembly rotatably mounted within the housing assembly;
the clamping sleeve is positioned in the pen clamp and sleeved at the front end of the chuck assembly, and is used for enabling the chuck assembly to clamp or loosen;
the pushing seat is positioned in the penholder and sleeved at the rear end of the chuck assembly and is used for pushing the chuck assembly to move axially; the pushing seat is symmetrically provided with shaft pins which penetrate through the pen holder and are arranged in the pen clip;
an adjusting knob rotatably installed between the pen holder and the pen holder; one end of the adjusting knob, which faces the pushing seat, is provided with an annular concave-convex part, and the annular concave-convex part corresponds to the shaft pin and is used for driving the shaft pin to slide so as to drive the chuck assembly to slide along the axial direction.
Further, a first bearing is sleeved on the shaft pin, and the first bearing is propped against the annular concave-convex part. The chuck assembly is provided with an annular limiting part, and the pushing seat is propped against the annular limiting part. The front end of the pen holder is provided with a waist-shaped groove which is convenient for the shaft pin to move.
Further, a second bearing is sleeved at the rear end of the jacket, a first axial limiting sleeve is propped against the rear side of the second bearing, a first spring is installed between the first axial limiting sleeve and the pushing seat, and the first spring enables the first bearing to be propped against the annular concave-convex portion. The front end of the jacket is sleeved with a third bearing, the front side of the third bearing is provided with a second axial limiting sleeve, the rear side of the third bearing is provided with a third axial limiting sleeve, and the rear end of the third axial limiting sleeve is propped against the second bearing.
Further, the chuck assembly comprises a chuck and a connecting shaft which are connected with each other in a threaded mode, a plurality of clamping jaws are arranged at the front end of the chuck, and a horn-shaped constriction part is arranged at the position, corresponding to the clamping jaws, of the clamping sleeve.
Further, a second spring is mounted between the connecting shaft and the collet, the second spring always tending to move the jaws toward the flare constriction.
Further, a driving motor is arranged in the pen holder and is in driving connection with the connecting shaft. The connecting shaft is connected with the driving motor through a connecting piece, one end of the connecting piece is connected with the driving motor, and the other end of the connecting piece is connected with the connecting shaft in a sliding mode.
(III) beneficial effects
Compared with the prior art, the quick-change chuck type pen-shaped electric grinder provided by the utility model has the following advantages:
1) When the electric grinding head is replaced by adopting the pushing seat and the adjusting knob, the adjusting knob is only required to be rotated, the annular concave-convex part of the adjusting knob drives the shaft pin to slide, the shaft pin drives the pushing seat to slide, the chuck assembly is further driven to slide towards the front end, the clamping jaw of the chuck assembly is opened, and the electric discharge grinding head can be taken out, so that the electric discharge grinding head is simple to operate and high in replacement efficiency;
2) The first bearing and the pushing seat are connected into a whole by the pin shaft, the annular concave-convex part and the adjusting knob are of an integrated structure, the waist-shaped groove is formed in the penholder, the pushing seat is not separated from the penholder as a whole after being disassembled, and parts are fewer after being disassembled, so that the device is convenient to install.
Drawings
FIG. 1 is a perspective view of a quick-change chuck type pen-shaped electric grinder according to the present utility model;
FIG. 2 is a cut-away view of a quick-change chuck pen-type electric grinder according to the present utility model;
FIG. 3 is an exploded view of a quick-change cartridge pen-type electric grinder according to the present utility model;
FIG. 4 is a perspective view of a quick-change chuck type pencil sharpener of the present utility model with the pencil clip removed;
FIG. 5 is a perspective view of a quick change cartridge pen-shaped electric grinder cartridge assembly, push base and adjustment knob connection according to the present utility model;
FIG. 6 is a perspective view of a quick-change chuck type pen-shaped electric grinder pushing base according to the present utility model;
FIG. 7 is a perspective view of a quick change cartridge pen-shaped electric grinder adjustment knob according to the present utility model;
FIG. 8 is a perspective view of a quick change cartridge pen-type electric grinder cartridge assembly according to the present utility model;
the corresponding component names for each reference number in the figures are: 1. a housing assembly; 101. a pen clip; 102. a penholder; 103. a waist-shaped groove; 2. a collet assembly; 201. an annular limit part; 202. a chuck; 203. a connecting shaft; 204. a clamping jaw; 3. a jacket; 301. a flare constriction; 4. a pushing seat; 401. a shaft pin; 402. a first bearing; 5. an adjustment knob; 501. annular concave-convex parts; 6. a second bearing; 7. a first axial stop collar; 8. a first spring; 9. a third bearing; 10. a second axial stop collar; 11. a third axial stop collar; 12. a second spring; 13. a driving motor; 14. and a connecting piece.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 8, the present utility model provides a quick-change chuck type pen-shaped electric grinder, which comprises a housing assembly 1, a chuck assembly 2, a jacket 3, a pushing seat 4 and an adjusting knob 5.
Referring to fig. 2 and 3, the housing assembly 1 includes a pen clip 101 and a pen holder 102 screw-coupled in the pen clip 101, an anti-slip sleeve is installed at an outer wall of the pen clip 101 at a front end, the pen holder 102 is at a rear end, and a tail housing is fixed at a rear end of the pen holder 102.
Referring to fig. 2 and 8, the collet assembly 2 is rotatably mounted within the housing assembly 1. The collet assembly 2 comprises a collet 202 and a connecting shaft 203 which are threadedly connected to each other, the front end of the collet 202 being provided with a plurality of jaws 204.
Referring to fig. 2 and 8, the collet 3 is positioned within the pen clip 101 and fits over the front end of the collet assembly 2 for clamping or unclamping the collet assembly 2. The collet 3 is provided with a flare-shaped constriction 301 at a position corresponding to the clamping jaw 204, and when the plurality of clamping jaws 204 are placed in the flare-shaped constriction 301, the plurality of clamping jaws 204 are clamped; when the plurality of jaws 204 are disengaged from the flare stack 301, the plurality of jaws 204 are released.
Referring to fig. 2 to 4, the rear end of the jacket 3 is sleeved with a second bearing 6, the rear side of the second bearing 6 is abutted against a first axial stop 7, the front end of the jacket 3 is sleeved with a third bearing 9, the front side of the third bearing 9 is provided with a second axial stop 10, the rear side is provided with a third axial stop 11, and the rear end of the third axial stop 11 is abutted against the second bearing 6. The second bearing 6 is limited by the first axial limiting sleeve 7 and the third axial limiting sleeve 11, and the third bearing 9 is limited by the second axial limiting sleeve 10 and the third axial limiting sleeve 11.
Referring to fig. 4 to 6, the pushing seat 4 is located in the pen holder 102 and sleeved at the rear end of the chuck assembly 2, and is used for pushing the chuck assembly 2 to move axially; an annular limiting part 201 is arranged on the connecting shaft 203 of the chuck assembly 2, and the pushing seat 4 is propped against the annular limiting part 201. The pushing seat 4 is symmetrically provided with a shaft pin 401, the shaft pin 401 penetrates through the pen holder 102 and is arranged in the pen holder 101, and the front end of the pen holder 102 is provided with a waist-shaped groove 103 which is convenient for the shaft pin 401 to move. The shaft pin 401 is sleeved with a first bearing 402, and the first bearing 402 is abutted against the annular concave-convex part 501. A first spring 8 is installed between the first axial stop collar 7 and the pushing seat 4, and the first spring 8 enables the first bearing 402 to be abutted against the annular concave-convex portion 501.
Referring to fig. 4, 5 and 7, the adjusting knob 5 is rotatably installed between the pen holder 101 and the pen holder 102, and a bearing is installed between the adjusting knob 5 and the pen holder 102 to facilitate the rotation of the adjusting knob 5. The end of the adjusting knob 5 facing the pushing seat 4 is provided with an annular concave-convex portion 501, and the annular concave-convex portion 501 corresponds to the shaft pin 401 and is used for driving the shaft pin 401 to slide, and further driving the chuck assembly 2 to slide along the axial direction.
Referring to fig. 1 to 3, a second spring 12 is mounted between the connecting shaft 203 and the collet 3, the second spring 12 always tending to move the jaws 204 towards the flare 301. A driving motor 13 is installed in the pen holder 102, and the driving motor 13 is in driving connection with the connecting shaft 203. The connecting shaft 203 is connected with the driving motor 13 through a connecting piece 14, one end of the connecting piece 14 is connected with the driving motor 13, and the other end is connected with the connecting shaft 203 in a sliding way; the connecting shaft 203 can slide relative to the connecting piece 14, so that the feasibility of the structure is ensured.
When the electric grinding head is replaced, the adjusting knob 5 is rotated, the adjusting knob 5 pushes the shaft pin 401 to move towards the front side through the annular concave-convex part 501, the shaft pin 401 drives the pushing seat 4 to move forwards, the pushing seat 4 drives the chuck assembly 2 to move forwards, and after the clamping jaws 204 are separated from the trumpet-shaped constriction part 301, the clamping jaws 204 are loosened, and at the moment, the electric discharge grinding head is taken out.
According to the quick-change chuck type pen-shaped electric grinder provided by the embodiment, the pushing seat and the adjusting knob are adopted, when the electric grinding head is replaced, only the adjusting knob is required to be turned, the annular concave-convex part of the adjusting knob drives the shaft pin to slide, the shaft pin drives the pushing seat to slide, the chuck assembly is further driven to slide towards the front end, the clamping jaw of the chuck assembly is opened, and the discharge grinding head can be taken out, so that the quick-change chuck type pen-shaped electric grinder is simple to operate and high in replacement efficiency; the first bearing and the pushing seat are connected into a whole by the pin shaft, the annular concave-convex part and the adjusting knob are of an integrated structure, the waist-shaped groove is formed in the penholder, the pushing seat is not separated from the penholder as a whole after being disassembled, and parts are fewer after being disassembled, so that the device is convenient to install.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (10)
1. A quick-change cartridge pen-shaped electric grinder, comprising:
a housing assembly (1) comprising a pen clip (101) and a barrel (102) threadedly connected within the pen clip (101);
a chuck assembly (2) rotatably mounted within the housing assembly (1);
the clamping sleeve (3) is positioned in the pen clamp (101) and sleeved at the front end of the chuck assembly (2) and is used for clamping or loosening the chuck assembly (2);
the pushing seat (4) is positioned in the pen holder (102) and sleeved at the rear end of the chuck assembly (2) and is used for pushing the chuck assembly (2) to move axially; the pushing seat (4) is symmetrically provided with shaft pins (401), and the shaft pins (401) penetrate through the pen holder (102) and are arranged in the pen clip (101);
an adjusting knob (5) rotatably installed between the pen holder (101) and the pen holder (102); one end of the adjusting knob (5) facing the pushing seat (4) is provided with an annular concave-convex part (501), and the annular concave-convex part (501) corresponds to the shaft pin (401) and is used for driving the shaft pin (401) to slide so as to drive the chuck assembly (2) to slide along the axial direction.
2. The quick-change cartridge pen-type electric grinder as set forth in claim 1, wherein: the shaft pin (401) is sleeved with a first bearing (402), and the first bearing (402) is propped against the annular concave-convex part (501).
3. The quick-change cartridge pen-type electric grinder as set forth in claim 1, wherein: the chuck assembly (2) is provided with an annular limiting part (201), and the pushing seat (4) is propped against the annular limiting part (201).
4. The quick-change cartridge pen-type electric grinder as set forth in claim 1, wherein: the front end of the pen holder (102) is provided with a waist-shaped groove (103) which is convenient for the shaft pin (401) to move.
5. The quick-change cartridge pen-type electric grinder as set forth in claim 2, wherein: the rear end of the jacket (3) is sleeved with a second bearing (6), a first axial limiting sleeve (7) is propped against the rear side of the second bearing (6), a first spring (8) is arranged between the first axial limiting sleeve (7) and the pushing seat (4), and the first spring (8) enables the first bearing (402) to prop against the annular concave-convex portion (501).
6. The quick change cartridge pen-type electric grinder as claimed in claim 5, wherein: the front end of the jacket (3) is sleeved with a third bearing (9), a second axial limiting sleeve (10) is arranged on the front side of the third bearing (9), a third axial limiting sleeve (11) is arranged on the rear side of the third bearing, and the rear end of the third axial limiting sleeve (11) is propped against the second bearing (6).
7. The quick-change cartridge pen-type electric grinder as set forth in claim 1, wherein: the chuck assembly (2) comprises a chuck (202) and a connecting shaft (203) which are in threaded connection with each other, a plurality of clamping jaws (204) are arranged at the front end of the chuck (202), and a horn-shaped constriction (301) is arranged at a position corresponding to the clamping jaws (204) of the chuck (3).
8. The quick change cartridge pen-type electric grinder as claimed in claim 7, wherein: a second spring (12) is arranged between the connecting shaft (203) and the jacket (3), and the second spring (12) always enables the clamping jaw (204) to move towards the trumpet-shaped constriction (301).
9. The quick change cartridge pen-type electric grinder as claimed in claim 7, wherein: a driving motor (13) is arranged in the pen holder (102), and the driving motor (13) is in driving connection with the connecting shaft (203).
10. The quick change cartridge pen-type electric grinder as set forth in claim 9, wherein: the connecting shaft (203) is connected with the driving motor (13) through a connecting piece (14), one end of the connecting piece (14) is connected with the driving motor (13), and the other end of the connecting piece is connected with the connecting shaft (203) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322026304.2U CN220296747U (en) | 2023-07-31 | 2023-07-31 | Quick-change chuck type pen-shaped electric grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322026304.2U CN220296747U (en) | 2023-07-31 | 2023-07-31 | Quick-change chuck type pen-shaped electric grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220296747U true CN220296747U (en) | 2024-01-05 |
Family
ID=89352909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322026304.2U Active CN220296747U (en) | 2023-07-31 | 2023-07-31 | Quick-change chuck type pen-shaped electric grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220296747U (en) |
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2023
- 2023-07-31 CN CN202322026304.2U patent/CN220296747U/en active Active
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