CN211387569U - Electric hammer middle cover bearing pressing device - Google Patents
Electric hammer middle cover bearing pressing device Download PDFInfo
- Publication number
- CN211387569U CN211387569U CN201922249018.6U CN201922249018U CN211387569U CN 211387569 U CN211387569 U CN 211387569U CN 201922249018 U CN201922249018 U CN 201922249018U CN 211387569 U CN211387569 U CN 211387569U
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- template
- bearing
- pressure rod
- electric hammer
- guide post
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Abstract
A bearing pressing device for an electric hammer middle cover comprises a lower template, wherein a guide post is arranged on the lower template, an upper template and a middle template are arranged on the guide post, the upper template and the middle template can slide on the guide post, a positioning core for positioning a workpiece is arranged on the middle template, an upper pressure rod is arranged at the geometric center of the lower surface of the upper template, a first bearing positioning block for placing a bearing is arranged at the end part of the upper pressure rod, a first lower pressure rod is arranged at the position of the lower template corresponding to the positioning core, a second bearing positioning block is arranged at the top of the first lower pressure rod, the lower template is also provided with a second lower pressure rod, the top of the second lower pressure rod is provided with a limit groove for placing the bearing and the bearing sleeve, the middle template is provided with a first through hole for the first lower pressure rod to pass through on the positioning core, and is also provided with a second through hole for the second lower pressure rod to pass through; the utility model has the advantages of simple structure, reasonable in design, fix a position accurate, press the bearing efficient.
Description
Technical Field
The utility model relates to a press bearing device, in particular to cover pressure bearing device in the middle of electric hammer.
Background
The electric hammer is an electric rotary hammer drill with a safety clutch and a pneumatic hammering mechanism. The electric hammer utilizes the principle of piston motion, compresses gas to impact a drill bit, does not need much strength of hands, can open holes of 6-100 mm on hard materials such as concrete, bricks, stones and the like, has higher hole opening efficiency on the materials, but cannot open holes on metal. In the production process of electric hammer, in order to guarantee the operating mass of electric hammer, need cover in the middle of electric hammer and set up a plurality of bearings and bearing housing, because the position diverse that sets up of each bearing, so need cover in the middle of impressing the bearing many times through the press, the bearing of difference still needs different moulds to fix a position moreover, and this kind of mode has greatly influenced the production efficiency of electric hammer, has increased manufacturing cost.
Disclosure of Invention
The utility model aims to solve the not enough of prior art, the utility model provides a simple structure, reasonable in design, fix a position accurate, press the efficient electric hammer middle cover pressure bearing device of bearing.
The utility model provides a technical scheme that its technical problem adopted is: a middle cover bearing device of an electric hammer comprises a lower template, wherein a guide post is arranged on the lower template, an upper template is arranged on the guide post, the guide post is provided with a middle template between the lower template and the upper template, the upper template and the middle template can slide on the guide post, the middle template is provided with a positioning core for positioning a workpiece, the geometric center of the lower surface of the upper template is provided with an upper pressure rod, a first bearing positioning block for placing a bearing is arranged at the end part of the upper pressure lever, a first lower pressure lever is arranged at the position of the lower template corresponding to the positioning core, the top of the first lower pressure lever is provided with a second bearing positioning block, the lower template is also provided with a second lower pressure lever, the top of the second lower pressing rod is provided with a limiting groove for placing a bearing and a bearing sleeve, the middle template is provided with a first through hole for the first lower pressing rod to pass through on the positioning core, and the middle template is further provided with a second through hole for the second lower pressing rod to pass through.
Preferably, a ball bearing is arranged between the upper die plate and the guide pillar.
Preferably, a nitrogen spring is arranged between the middle template and the lower template.
Preferably, the upper template is provided with a limiting column at the outer side of the upper pressure rod.
The utility model discloses use be, set up whole device on the press to place the axle on first bearing locating piece, second bearing locating piece respectively, place bearing and bearing housing in the spacing inslot, place the work piece on the location core again, start the press and promote the cope match-plate pattern and push down, under the effect of press, in impressing the work piece in step with bearing and bearing housing, improved pressure bearing efficiency. The utility model has the advantages of simple structure, reasonable in design, fix a position accurate, press the bearing efficient.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a cross-sectional view of the intermediate form of the present invention.
In the figure: 1. a lower template; 2. a guide post; 3. mounting a template; 31. a ball bearing; 32. a limiting column; 4. an intermediate template; 41. a second through hole; 5. a workpiece; 6. a positioning core; 61. a first through hole; 7. an upper pressure lever; 71. a first bearing locating block; 8. a first lower pressing rod; 81. a second bearing locating block; 9. a second lower pressing rod; 91. a limiting groove; 10. a nitrogen spring.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific embodiments and with reference to the accompanying drawings.
Example (b):
the bearing pressing device for the middle cover of the electric hammer shown in fig. 1 to 2 comprises a lower template 1, wherein a guide pillar 2 is arranged on the lower template 1, an upper template 3 is arranged on the guide pillar 2, a middle template 4 is arranged between the lower template 1 and the upper template 3 by the guide pillar 2, and the upper template 3 and the middle template 4 can slide on the guide pillar 2; a nitrogen spring 10 is arranged between the middle template 4 and the lower template 1, and a positioning core 6 for positioning a workpiece 5 is arranged on the middle template 4; a ball bearing 31 is arranged between the upper template 3 and the guide pillar 2, an upper pressure rod 7 is arranged at the geometric center of the lower surface of the upper template 3, a first bearing positioning block 71 for placing a bearing is arranged at the end part of the upper pressure rod 7, and a limiting pillar 32 is arranged on the outer side of the upper pressure rod 7 of the upper template 3; a first lower pressing rod 8 is arranged at the position, corresponding to the positioning core 6, of the lower template 1, a second bearing positioning block 81 is arranged at the top of the first lower pressing rod 8, a second lower pressing rod 9 is further arranged on the lower template 1, and a limiting groove 91 for placing a bearing and a bearing sleeve is arranged at the top of the second lower pressing rod 9; the middle template 4 is provided with a first through hole 61 for the first lower pressure bar 8 to pass through on the positioning core 6, and the middle template 4 is also provided with a second through hole 41 for the second lower pressure bar 9 to pass through.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.
Claims (4)
1. The utility model provides a lid bears device in middle of electric hammer, includes lower bolster (1), be equipped with guide pillar (2) on lower bolster (1), its characterized in that: an upper template (3) is arranged on the guide post (2), a middle template (4) is arranged between the lower template (1) and the upper template (3) on the guide post (2), the upper template (3) and the middle template (4) can slide on the guide post (2), a positioning core (6) for positioning a workpiece (5) is arranged on the middle template (4), an upper pressure rod (7) is arranged at the geometric center of the lower surface of the upper template (3), a first bearing positioning block (71) for placing a bearing is arranged at the end part of the upper pressure rod (7), a first lower pressure rod (8) is arranged at the lower template (1) relative to the positioning core (6), a second bearing positioning block (81) is arranged at the top part of the first lower pressure rod (8), a second lower pressure rod (9) is also arranged on the lower template (1), and a limiting groove (91) for placing the bearing and a bearing sleeve is arranged at the top part of the second lower pressure, the middle template (4) is provided with a first through hole (61) for a first lower pressure rod (8) to pass through on the positioning core (6), and the middle template (4) is also provided with a second through hole (41) for a second lower pressure rod (9) to pass through.
2. The intermediate cover pressure bearing device of the electric hammer according to claim 1, wherein: and a ball bearing (31) is arranged between the upper template (3) and the guide post (2).
3. The intermediate cover pressure bearing device of the electric hammer according to claim 1, wherein: and a nitrogen spring (10) is arranged between the middle template (4) and the lower template (1).
4. The intermediate cover pressure bearing device of the electric hammer according to claim 1, wherein: and the upper template (3) is provided with a limiting column (32) at the outer side of the upper pressure rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922249018.6U CN211387569U (en) | 2019-12-16 | 2019-12-16 | Electric hammer middle cover bearing pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922249018.6U CN211387569U (en) | 2019-12-16 | 2019-12-16 | Electric hammer middle cover bearing pressing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211387569U true CN211387569U (en) | 2020-09-01 |
Family
ID=72214322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922249018.6U Active CN211387569U (en) | 2019-12-16 | 2019-12-16 | Electric hammer middle cover bearing pressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211387569U (en) |
-
2019
- 2019-12-16 CN CN201922249018.6U patent/CN211387569U/en active Active
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