CN220839311U - Output shaft sectional type die electric mill - Google Patents
Output shaft sectional type die electric mill Download PDFInfo
- Publication number
- CN220839311U CN220839311U CN202322637159.1U CN202322637159U CN220839311U CN 220839311 U CN220839311 U CN 220839311U CN 202322637159 U CN202322637159 U CN 202322637159U CN 220839311 U CN220839311 U CN 220839311U
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- Prior art keywords
- output shaft
- axle box
- assembly
- clamping
- electric mill
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- 210000000078 claw Anatomy 0.000 claims abstract description 33
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 238000009423 ventilation Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model provides an output shaft sectional type die electric mill, which relates to the field of electric tools and comprises a machine body assembly, wherein the machine body assembly is connected with an axle box assembly, the axle box assembly comprises a first axle box and a second axle box which are detachably connected, the first axle box and the second axle box are respectively provided with a first output shaft and a second output shaft, and a connecting claw assembly is connected between the first output shaft and the second output shaft; after the output shaft of the die electric mill is segmented into a first output shaft and a second output shaft through the connecting claw assembly, the runout of the chuck is only determined by the runout of the second output shaft, so that the processing difficulty is reduced, and the concentricity of the machine is improved; the shaft extension of the output shaft is shortened, the supporting rigidity of the output shaft is increased, and the service life of the machine is prolonged; the air channel formed by the gap between the reinforcing rib and the first axle box is used for carrying out air cooling heat dissipation treatment on the sheath and the first axle box by air flowing in the air channel during long-time grinding operation, so that the scalding prevention effect of the sheath holding part is achieved.
Description
Technical Field
The utility model relates to the field of electric tools, in particular to an output shaft sectional type die electric grinder.
Background
The die electric grinder has the advantages of high rotating speed, light machine body, small size, flexibility and the like, is popular with wide users, and is widely applied to grinding metal parts in the hardware mechanical industry.
The existing shaft box structure of the die electric grinder generally comprises a machine body, an axle box, an output shaft and a chuck, wherein the axle box is arranged at the front end of the machine body, the output shaft is arranged in the axle box through a bearing, and in order to be suitable for grinding an inner cavity of an elongated hole, the shaft extension section of the output shaft is designed to be very long, so that the supporting rigidity is very poor, the machining precision of the output shaft is difficult to meet the requirement, the concentricity is poor, the manufacturing cost is high, and the electric grinder works for a long time to enable the temperature rise of a sheath to be obviously inconvenient to hold.
Disclosure of utility model
First, the technical problem to be solved
The utility model aims to solve the problem of providing an output shaft sectional type die electric mill so as to overcome the defects in the prior art.
(II) technical scheme
In order to solve the technical problems, the utility model provides an output shaft sectional type die electric mill, which comprises a machine body assembly, wherein the machine body assembly is connected with an axle box assembly, the axle box assembly comprises a first axle box and a second axle box which are detachably connected, bearings are arranged in the first axle box and the second axle box, the first axle box is rotationally connected with a first output shaft through the bearings, the second axle box is rotationally connected with a second output shaft through the bearings, a connecting claw assembly is connected between the first output shaft and the second output shaft, the connecting claw assembly comprises a claw and a matching block, and the first output shaft and the second output shaft are connected through the claw and the matching block.
Furthermore, the sheath is sleeved outside the first axle box, a plurality of reinforcing ribs which are in interference fit with the first axle box are distributed on the circumference array of the inner wall of the sheath, and the sheath can be used as a holding part when the die is used for electric grinding.
Further, the gap between the reinforcing rib and the inner wall of the sheath and the gap between the reinforcing rib and the first axle box form an air channel.
Further, one end of the sheath is provided with a first ventilation opening communicated with the air duct, and the machine body assembly is provided with a second ventilation opening communicated with the air duct.
Further, one end of the first output shaft is provided with a guide vane, the guide vane is located between the sheath and the machine body assembly, when the machine body assembly drives the first output shaft to operate, under the action of the guide vane, the first ventilation opening, the air duct and the second ventilation opening have circulating air to pass through, and the circulating air in the air duct carries out air cooling heat dissipation treatment on the sheath and the first axle box, so that the scalding prevention effect of the sheath holding part is achieved.
Further, the first axle box is provided with first threads, the second axle box is provided with second threads in threaded connection with the first threads, and the first axle box and the second axle box are convenient to assemble and disassemble.
Further, the number of the clamping claws is two, and the two clamping claws are respectively arranged on the first output shaft and the second output shaft.
Furthermore, two clamping protrusions are symmetrically arranged on the clamping jaw, a matching groove for accommodating the matching block is formed between the two clamping protrusions, a clamping cavity which is clamped with the clamping protrusions is formed outside the matching block, after an output shaft of the die electric mill is segmented into a first output shaft and a second output shaft through a connecting claw assembly, the jumping amount of the clamping head is only determined by the jumping amount of the second output shaft, so that the processing difficulty is reduced, and the concentricity of the machine is improved; and the shaft extension of the output shaft is shortened, the supporting rigidity of the output shaft is increased, and the service life of the machine is prolonged.
Further, the second output shaft is connected with a clamp assembly, the clamp assembly comprises a clamping sleeve arranged on the second output shaft, and a clamping head is arranged on the clamping sleeve.
(III) beneficial effects
Compared with the prior art, the output shaft sectional type die electric grinder provided by the utility model has the following beneficial effects: after the output shaft of the die electric mill is segmented into a first output shaft and a second output shaft through the connecting claw assembly, the runout of the chuck is only determined by the runout of the second output shaft, so that the processing difficulty is reduced, and the concentricity of the machine is improved; the shaft extension of the output shaft is shortened, the supporting rigidity of the output shaft is increased, and the service life of the machine is prolonged; the air channel formed by the gap between the reinforcing rib and the first axle box is used for carrying out air cooling heat dissipation treatment on the sheath and the first axle box by air flowing in the air channel during long-time grinding operation, so that the scalding prevention effect of the sheath holding part is achieved.
Drawings
FIG. 1 is a perspective view of an output shaft segmented die electric mill of the present utility model;
FIG. 2 is a schematic diagram of the structure of a housing assembly and an axle box assembly of an output shaft segmented die electric grinder of the present utility model;
FIG. 3 is a schematic view of another view of the housing assembly and the axle housing assembly of the output shaft segmented die electric grinder of the present utility model;
FIG. 4 is an exploded view of an axle box assembly of an output shaft segmented die electric mill of the present utility model;
FIG. 5 is a schematic view of a threaded connection of a first axle housing and a second axle housing of an output shaft segmented mold electric mill according to the present utility model;
FIG. 6 is a schematic diagram showing the mating connection of a first output shaft and a second output shaft of an output shaft segmented die electric mill according to the present utility model via a connecting jaw assembly;
FIG. 7 is a schematic diagram of the jaw structure of a connecting jaw assembly of an output shaft segmented die electric grinder according to the present utility model;
FIG. 8 is a schematic diagram of the cooperation structure of the claw and the cooperation block of the segmented die electric grinder with an output shaft;
FIG. 9 is a cutaway view of an axle housing assembly of an output shaft segmented die electric mill in accordance with the present utility model;
The corresponding component names for each reference number in the figures are: 1. a body assembly; 2. an axle box assembly; 3. a sheath; 301. reinforcing ribs; 302. a first vent; 4. a first axle housing; 401. a first thread; 5. a second shaft box; 501. a second thread; 6. a first output shaft; 7. a second output shaft; 8. a bearing; 9. a connecting claw assembly; 901. a claw; 902. a mating groove; 903. a clamping protrusion; 10. a mating block; 1011. a cavity is blocked; 11. a clamp assembly; 1101. a chuck; 1102. a jacket; 12. an air duct; 13. and a second vent.
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 9, the utility model provides an output shaft segmented die electric mill, which comprises a machine body assembly 1, wherein the machine body assembly 1 is connected with an axle box assembly 2, the axle box assembly 2 comprises a first axle box 4 and a second axle box 5 which are detachably connected, bearings 8 are arranged in the first axle box 4 and the second axle box 5, the first axle box 4 is rotationally connected with a first output shaft 6 through the bearings 8, the second axle box 5 is rotationally connected with a second output shaft 7 through the bearings 8, a connecting claw assembly 9 is connected between the first output shaft 6 and the second output shaft 7, the connecting claw assembly 9 comprises a claw 901 and a matching block 10, and the first output shaft 6 and the second output shaft 7 are connected through the claw 901 and the matching block 10.
Referring to fig. 1 and 9, a sheath 3 is sleeved outside the first axle box 4, a plurality of reinforcing ribs 301 which are in interference fit with the first axle box 4 are distributed on the circumference of the inner wall of the sheath 3 in an array manner, when the die electric mill is used, the sheath 3 can be used as a holding part, gaps between the reinforcing ribs 301 and the inner wall of the sheath 3 and between the reinforcing ribs and the first axle box 4 form an air channel 12, one end of the sheath 3 is provided with a first ventilation opening 302 communicated with the air channel 12, and the machine body assembly 1 is provided with a second ventilation opening 13 communicated with the air channel 12.
It should be noted that: one end of the first output shaft 6 is provided with a guide vane, the guide vane is located between the sheath 3 and the machine body assembly 1, when the machine body assembly 1 drives the first output shaft 6 to operate, under the action of the guide vane, the first ventilation opening 302, the air duct 12 and the second ventilation opening 13 have ventilation air to pass through, and the ventilation air in the air duct 12 carries out air cooling heat dissipation treatment on the sheath 3 and the first axle box 4, so that the scalding prevention effect of the holding part of the sheath 3 is achieved.
Referring to fig. 4 to 9, a first thread 401 is provided on a first axle box 4, a second thread 501 in threaded connection with the first thread 401 is provided on a second axle box 5, the first axle box 4 and the second axle box 5 are convenient to disassemble and assemble, two clamping claws 901 are provided, two clamping claws 901 are respectively installed on a first output shaft 6 and a second output shaft 7, two clamping claws 903 are symmetrically provided on the clamping claws 901, a matching groove 902 for accommodating a matching block 10 is formed between the two clamping claws 903, and a clamping cavity 1011 which is clamped with the clamping claws 903 is formed outside the matching block 10.
It should be noted that: after the output shaft of the die electric mill is segmented into a first output shaft 6 and a second output shaft 7 through the connecting claw assembly 9, the runout of the chuck 1101 is only determined by the runout of the second output shaft 7, so that the processing difficulty is reduced, and the concentricity of the machine is improved; and the shaft extension of the output shaft is shortened, the supporting rigidity of the output shaft is increased, and the service life of the machine is prolonged.
Referring to fig. 1 to 4, a clamp assembly 11 is connected to the second output shaft 7, the clamp assembly 11 includes a clamping sleeve 1102 mounted on the second output shaft 7, the clamping sleeve 1102 is mounted with a clamping sleeve 1101, bearings 8 are mounted at both ends of the inside of the first axle box 4 and the second axle box 5, the sheath 3 is sleeved on the first axle box 4, the rotating shaft of the machine body assembly 1 drives the first output shaft 6 to operate, and the first output shaft 6 drives the second output shaft 7 and the clamping sleeve 1101 to operate synchronously through a connecting claw assembly 9.
The embodiment provides an output shaft sectional type mould electric grinder: after the output shaft of the die electric mill is segmented into a first output shaft 6 and a second output shaft 7 through the connecting claw assembly 9, the runout of the chuck 1101 is only determined by the runout of the second output shaft 7, so that the processing difficulty is reduced, and the concentricity of the machine is improved; the shaft extension of the output shaft is shortened, the supporting rigidity of the output shaft is increased, and the service life of the machine is prolonged; the air channel 12 is formed through the gap between the reinforcing rib 301 and the first axle box 4, and when the grinding work is performed for a long time, the air flowing in the air channel 12 carries out air cooling heat dissipation treatment on the sheath 3 and the first axle box 4, so that the scalding prevention effect of the holding part of the sheath 3 is achieved.
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 (8)
1. The utility model provides an output shaft sectional type mould electric grinder, includes organism assembly (1), its characterized in that: the machine body assembly (1) is connected with an axle box assembly (2), the axle box assembly (2) comprises a first axle box (4) and a second axle box (5) which are detachably connected, bearings (8) are arranged in the first axle box (4) and the second axle box (5), the first axle box (4) is rotationally connected with a first output shaft (6) through the bearings (8), the second axle box (5) is rotationally connected with a second output shaft (7) through the bearings (8), a connecting claw assembly (9) is connected between the first output shaft (6) and the second output shaft (7), the connecting claw assembly (9) comprises a claw (901) and a matching block (10), and the first output shaft (6) and the second output shaft (7) are connected through the claw (901) and the matching block (10).
2. An output shaft segmented die electric mill as claimed in claim 1, wherein: the first axle box (4) is externally sleeved with a sheath (3), and a plurality of reinforcing ribs (301) which are in interference fit with the first axle box (4) are distributed on the circumference array of the inner wall of the sheath (3).
3. An output shaft segmented die electric mill as claimed in claim 2, wherein: the gap between the reinforcing rib (301) and the inner wall of the sheath (3) and the gap between the reinforcing rib and the first axle box (4) form an air duct (12).
4. An output shaft segmented die electric mill as claimed in claim 3, wherein: one end of the sheath (3) is provided with a first ventilation opening (302) communicated with the air duct (12), and the machine body assembly (1) is provided with a second ventilation opening (13) communicated with the air duct (12).
5. An output shaft segmented die electric mill as claimed in claim 1, wherein: the first axle box (4) is provided with first threads (401), and the second axle box (5) is provided with second threads (501) in threaded connection with the first threads (401).
6. An output shaft segmented die electric mill as claimed in claim 1, wherein: the number of the clamping claws (901) is two, and the two clamping claws (901) are respectively arranged on the first output shaft (6) and the second output shaft (7).
7. An output shaft segmented die electric mill as claimed in claim 6, wherein: two clamping convex parts (903) are symmetrically arranged on the clamping claw (901), a matching groove (902) for accommodating the matching block (10) is formed between the two clamping convex parts (903), and a clamping cavity (1011) which is clamped with the clamping convex parts (903) is formed outside the matching block (10).
8. An output shaft segmented die electric mill as claimed in claim 7, wherein: the second output shaft (7) is connected with a clamp assembly (11), the clamp assembly (11) comprises a clamping sleeve (1102) arranged on the second output shaft (7), and the clamping sleeve (1102) is provided with a clamping head (1101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637159.1U CN220839311U (en) | 2023-09-27 | 2023-09-27 | Output shaft sectional type die electric mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322637159.1U CN220839311U (en) | 2023-09-27 | 2023-09-27 | Output shaft sectional type die electric mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220839311U true CN220839311U (en) | 2024-04-26 |
Family
ID=90744432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322637159.1U Active CN220839311U (en) | 2023-09-27 | 2023-09-27 | Output shaft sectional type die electric mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220839311U (en) |
-
2023
- 2023-09-27 CN CN202322637159.1U patent/CN220839311U/en active Active
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