CN201211579Y - Reciprocating cutting tool - Google Patents
Reciprocating cutting tool Download PDFInfo
- Publication number
- CN201211579Y CN201211579Y CNU2008201190677U CN200820119067U CN201211579Y CN 201211579 Y CN201211579 Y CN 201211579Y CN U2008201190677 U CNU2008201190677 U CN U2008201190677U CN 200820119067 U CN200820119067 U CN 200820119067U CN 201211579 Y CN201211579 Y CN 201211579Y
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- China
- Prior art keywords
- cutting tool
- reciprocating
- suspension
- reciprocal cutting
- base plate
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Abstract
The utility model provides a reciprocating cutting tool, which comprises a motor shell (1) and a reduction gearbox (2) connected with the motor shell (1), wherein a motor (11) is arranged in the motor shell (1); a reciprocating mechanism (4) is arranged in the reduction gearbox (2); the reciprocating mechanism (4) comprises a suspension frame (40) and a reciprocating rod (5) which is connected with the motor (11) through a reduction gear (21) and an eccentric shaft (22) and is driven by the motor (11); the suspension frame (40) comprises a top plate (41) and a bottom plate (42); and the reciprocating rod (5) is movably connected only with the bottom plate (42), and can not exceed the top plate (41) in the direction of reciprocating motion. As the reciprocating rod in the reciprocating cutting tool no longer depends on the top plate of the suspension frame for guiding and positioning, the reciprocating rod during reciprocating motion can not extend out of the top plate of the suspension frame, and can greatly reduce the vertical height of the reduction gearbox, so as to reduce the vertical height of the reciprocating cutting tool and provide convenience for application.
Description
Technical field
The utility model relates to a kind of reciprocal cutting tool, particularly relates to a kind of reciprocator of sweep-saw.
Background technology
In Japan Patent JP454801, disclose the reciprocator that a kind of sweep-saw is arranged.See also Fig. 3, the reciprocator of this sweep-saw pivotally connects and is arranged in the reduction box (figure do not show), it comprise one can be around pivotal axis 440 suspension 400 pivotally, this suspension 400 comprises top board 410, base plate 420 and the side arm that connects top board 410 and base plate 420, and on top board 410 and base plate 420, be respectively arranged with through hole 430,450, be used for the reciprocating lever 50 that is arranged in the through hole 430,450 is carried out guide-localization.Also be connected with one on this reciprocating lever 50 and drive slide block 460, this drives slide block 460 between the top board 410 and base plate 420 of suspension 400, after gear train in being subjected to reduction box (figure does not show) drives, can drive reciprocating lever 50 and produce as the reciprocating motion on the vertical direction among the figure.
In the reciprocating motion process, reciprocating lever 50 is always by 430,450 guide-localizations of the through hole on the suspension 400.But, in this reciprocator, reciprocating lever 50 move back and forth the distance bigger.When slide block 460 moves to suspension 400 tops, be that slide block 460 contacts with top board 410, reciprocating lever 50 will stretch out a segment distance from the through hole on the top board 410 430, thereby influence the vertical height of whole reciprocator, make that the whole height of this sweep-saw is higher, application reduces.
U.S. Pat 6625892 has disclosed the reciprocator of another kind of sweep-saw, and it is fixedly connected with a suspension in reduction box, and this suspension comprises two slide rails that relatively vertically are provided with, and is connected with a slide block on two slide rails.When slide block is activated, can produce the slip on the vertical direction along slide rail.Bottom at slide block has been pivotally connected to reciprocating lever, thereby when slide block produces slip, can drive the reciprocating motion on the reciprocating lever generation vertical direction.But,, in use be easy to generate vibration because reciprocating lever lacks the guide effect of suspension.
Therefore, be necessary above-mentioned reciprocator is improved in fact.
The utility model content
The purpose of this utility model provides a kind of compact conformation, vertically highly less reciprocal cutting tool.
For achieving the above object, the utility model provides a kind of reciprocal cutting tool, comprise motor shell and the reduction box that is connected with motor shell, be provided with motor in this motor shell, be provided with reciprocator in this reduction box, this reciprocator comprises suspension and the reciprocating lever that is connected with motor by reduction gearing and eccentric shaft and driven by motor, and this suspension comprises top board and base plate, described reciprocating lever only flexibly connects with this base plate, and can not exceed top board on reciprocating direction.
As further improvement of these options, described base plate is provided with through hole, and reciprocating lever is located in this through hole; Between reciprocating lever and through hole, also be provided with ball bearing.
As further improvement of these options, the free end of described reciprocating lever is connected with slide block, towards a side of reduction gearing, is formed with along being perpendicular or normal to the groove that vibration-direction extends on this slide block, and this groove and eccentric shaft activity connect; Described suspension also comprises the slide rail that is connected between top board and the base plate, and described slide block and this slide rail activity connect, and this slide block can slide along slide rail.
As further improvement of these options, described top board is positioned at the top of reduction box, and described base plate is positioned at the bottom of reduction box.
As further improvement of these options, described top board is provided with pivotal axis, and described suspension can center on this said pivot.
Because the reciprocating lever in the utility model no longer relies on the top board of suspension to carry out guide-localization, therefore in the reciprocating motion process of reciprocating lever, reciprocating lever can not extend beyond the top board of suspension, can reduce the vertical height of reduction box widely, thereby make vertically highly reducing of this reciprocal cutting tool, be convenient to use.
Description of drawings
Fig. 1 is the part schematic diagram of reciprocal cutting tool in the specific embodiment of the present utility model;
Fig. 2 is the stereogram of the reciprocator of this reciprocal cutting tool;
Fig. 3 is the stereogram of the reciprocator of known preceding case JP454801 in the background technology;
Wherein, the related elements reference numeral is listed as follows:
1-motor shell; 2-reduction box; 3-gripper shoe; 4-reciprocator; 5-reciprocating lever; 6-saw blade;
7-roller; 11-motor; 12-motor drive shaft; 21-reduction gearing; 22-eccentric shaft; 40-suspension;
41-top board; 42-base plate; 43-slide rail; 44-pivotal axis; 45-through hole; 46-slide block;
47-groove; 48-ball bearing; 400-suspension; 410-top board; 420-base plate; 430-through hole;
440-pivotal axis; 450-through hole; 460-driving slide block; 50-reciprocating lever.
The specific embodiment
Below in conjunction with drawings and the specific embodiments the utility model is described in further detail.
See also Fig. 1, the utility model discloses a kind of reciprocal cutting tool, in preferred embodiment, this reciprocal cutting tool is a sweep-saw.This sweep-saw comprise the along continuous straight runs setting motor shell 1, be connected motor shell 1 an end, be the reduction box 2 that is provided with on the vertical direction and be positioned at the passive gripper shoe 3 in motor shell 1 below.Wherein, be provided with motor 11 in the motor shell 1, the motor drive shaft 12 of this motor 11 connects with reduction gearing 21 engagements that are arranged in the reduction box 2, and drives reduction gearing 21 rotations.On this reduction gearing 21, be connected with an eccentric shaft 22 prejudicially, and the other end of this eccentric shaft 22 connects with the reciprocator 4 that vertically is arranged in the reduction box 2.This reciprocator 4 comprises reciprocating lever 5, and when this reduction gearing 21 is rotated, this eccentric shaft 22 will be done eccentric rotation thereupon, and then driving reciprocating lever 5 vertically moves reciprocatingly.And further drive the saw blade 6 that is installed on the reciprocating lever 5 and back and forth cut work.
In addition, be positioned at reduction box 2 belows, be subjected to the back of the body end in contact of a roller 7 with the saw blade 6 of reduction gearing 21 drivings equally, when saw blade 6 moves reciprocatingly, roller 7 will promote saw blade 6 and move to the vibration-direction perpendicular to saw blade 6, so that saw blade 6 is produced the cutter lifting effect.
See also Fig. 2, this reciprocator 4 also comprises a suspension 40, this suspension 40 comprise top board 41, base plate 42 and relatively be connected top board 41 and base plate 42 between two slide rails 43.See also Fig. 1, the top board 41 of this suspension 40 is positioned at the top of reduction box 2, is provided with pivotal axis 44 on top board 41, thereby this suspension 40 can be pivoted around pivotal axis 44 in reduction box 2.The base plate 42 of this suspension 40 is positioned at the bottom of reduction box 2, therefore, and the vertical height that vertically equals suspension 40 highly haply of whole reduction box 2.
Please continue to consult Fig. 2, be provided with through hole 45 on the base plate 42 of suspension 40, reciprocating lever 5 is located in this through hole 5, and reciprocating lever 5 is played the guide-localization effect.For the ease of the slip of reciprocating lever 5, between reciprocating lever 5 and through hole 45, also be provided with ball bearing 48.This reciprocating lever 5 is in the top board 41 of suspension 4 and the part between the base plate 42, its free end also is connected with a slide block 46, this slide block 46 slides with slide rail 43 and connects, thereby can slide up and down along slide rail 43, and, in the side of this slide block 46 towards reduction gearing 21, also be formed with along being perpendicular or normal to the groove 47 that vibration-direction extends, connect for eccentric shaft 22 insertions that connect reduction gearing 21, thereby make this slide block 46 driven by the off-centre rotation of train of reduction gears 21, and up and down reciprocatingly slide along slide rail 43, and the saw blade 6 that further drives reciprocating lever 5 and be installed in reciprocating lever 5 ends moves back and forth to carry out cutting operation.
Need to prove that this slide block 46 mobile is limited between the top board 41 and base plate 42 of suspension 40.Therefore, when slide block 46 slid into contact base plate 42, reciprocating lever 5 drove saw blade 6 and produces maximum vertical range with respect to reduction box 2.At this moment, reciprocating lever 5 part that exceeds the base plate 42 of suspension 40 approaches zero; And when slide block 46 slid into contact top board 41, reciprocating lever 5 drove 6 vertical ranges that produce minimum with respect to reduction box 2 of saw blade.At this moment, though reciprocating lever 5 exceeds the base plate 42 of suspension 40, still can not exceed the top board 41 of suspension 40, thereby in the vertical direction has reduced the height of reduction box 2, be convenient to the operator and use.
Claims (15)
1, a kind of reciprocal cutting tool, comprise motor shell (1) and the reduction box (2) that is connected with motor shell (1), be provided with motor (11) in this motor shell (1), be provided with reciprocator (4) in this reduction box (2), this reciprocator (4) comprises suspension (40) and the reciprocating lever (5) that is connected with motor (11) by reduction gearing (21) and eccentric shaft (22) and driven by motor (11), it is characterized in that: this suspension (40) comprises top board (41) and base plate (42), described reciprocating lever (5) only flexibly connects with this base plate (42), and can not exceed top board (41) on reciprocating direction.
2, reciprocal cutting tool as claimed in claim 1 is characterized in that: described base plate (42) is provided with through hole (45), and reciprocating lever (5) is located in this through hole (45).
3, reciprocal cutting tool as claimed in claim 2 is characterized in that: also be provided with ball bearing (48) between reciprocating lever (5) and through hole (45).
4, reciprocal cutting tool as claimed in claim 1, it is characterized in that: the free end of described reciprocating lever (5) is connected with slide block (46), this slide block (46) is gone up the side towards reduction gearing (21), be formed with along being perpendicular or normal to the groove (47) that vibration-direction extends, this groove (47) connects with eccentric shaft (22) activity.
5, reciprocal cutting tool as claimed in claim 4, it is characterized in that: described suspension (40) also comprises the slide rail (43) that is connected between top board (41) and the base plate (42), described slide block (46) connects with this slide rail (43) activity, and this slide block (46) can slide along slide rail (43).
6, reciprocal cutting tool as claimed in claim 1 is characterized in that: described top board (41) is positioned at the top of reduction box (2), and described base plate (42) is positioned at the bottom of reduction box (2).
7, reciprocal cutting tool as claimed in claim 1 is characterized in that: top board (41) is provided with pivotal axis (44), and described suspension (40) can pivot around this pivotal axis (44).
8, a kind of reciprocal cutting tool, comprise motor shell (1) and the reduction box (2) that is connected with motor shell (1), be provided with motor (11) in this motor shell (1), this reduction box is provided with reducing gear in (2), reciprocator (4) and be arranged on reducing gear and reciprocator (4) between reciprocating drive mechanism, this reciprocator (4) comprises the suspension of arranging along the vertical direction of reduction box (2) (40), with to can be extended out reduction box (2) outer and be restricted to only can be with respect to the reciprocating lever (5) of suspension (40) in the vertical direction motion, described reciprocating lever (5) is exported the rotation of motor (11) by reducing gear and reciprocating drive mechanism and is converted into reciprocating motion, and it is characterized in that: described reciprocating lever (5) can not exceed the top of suspension with respect to the reciprocating motion of suspension (40).
9, reciprocal cutting tool as claimed in claim 8 is characterized in that: described suspension (40) comprises top board (41) and base plate (42), and described base plate (42) is provided with through hole (45), and reciprocating lever (5) is located in this through hole (45).
10, reciprocal cutting tool as claimed in claim 9 is characterized in that: also be provided with ball bearing (48) between reciprocating lever (5) and through hole (45).
11, reciprocal cutting tool as claimed in claim 9, it is characterized in that: the free end of described reciprocating lever (5) is connected with slide block (46), this slide block (46) is gone up the side towards reducing gear, be formed with along being perpendicular or normal to the groove (47) that vibration-direction extends, this groove (47) connects with the reciprocating drive mechanism activity.
12, reciprocal cutting tool as claimed in claim 11, it is characterized in that: described suspension (40) also comprises the slide rail (43) that is connected between top board (41) and the base plate (42), described slide block (46) connects with this slide rail (43) activity, and this slide block (46) can slide along slide rail (43).
13, reciprocal cutting tool as claimed in claim 12 is characterized in that: described reducing gear comprises reduction gearing (21), and described reciprocating drive mechanism comprises eccentric shaft (22).
14, reciprocal cutting tool as claimed in claim 9 is characterized in that: described top board (41) is positioned at the top of reduction box (2), and described base plate (42) is positioned at the bottom of reduction box (2).
15, reciprocal cutting tool as claimed in claim 9 is characterized in that: top board (41) is provided with pivotal axis (44), and described suspension (40) can pivot around this pivotal axis (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201190677U CN201211579Y (en) | 2008-06-18 | 2008-06-18 | Reciprocating cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201190677U CN201211579Y (en) | 2008-06-18 | 2008-06-18 | Reciprocating cutting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201211579Y true CN201211579Y (en) | 2009-03-25 |
Family
ID=40495734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201190677U Expired - Fee Related CN201211579Y (en) | 2008-06-18 | 2008-06-18 | Reciprocating cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201211579Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009146633A1 (en) * | 2008-06-05 | 2009-12-10 | 苏州宝时得电动工具有限公司 | Reciprocating cutting tool |
| CN103100759A (en) * | 2012-12-29 | 2013-05-15 | 南京德朔实业有限公司 | Reciprocating saw |
| CN107838880A (en) * | 2016-09-21 | 2018-03-27 | 苏州宝时得电动工具有限公司 | Reciprocating power tool |
-
2008
- 2008-06-18 CN CNU2008201190677U patent/CN201211579Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009146633A1 (en) * | 2008-06-05 | 2009-12-10 | 苏州宝时得电动工具有限公司 | Reciprocating cutting tool |
| CN101596620B (en) * | 2008-06-05 | 2012-10-24 | 苏州宝时得电动工具有限公司 | Reciprocating cutting tool |
| CN103100759A (en) * | 2012-12-29 | 2013-05-15 | 南京德朔实业有限公司 | Reciprocating saw |
| CN103100759B (en) * | 2012-12-29 | 2015-11-25 | 南京德朔实业有限公司 | Reciprocating saw |
| CN107838880A (en) * | 2016-09-21 | 2018-03-27 | 苏州宝时得电动工具有限公司 | Reciprocating power tool |
| CN107838880B (en) * | 2016-09-21 | 2023-11-07 | 苏州宝时得电动工具有限公司 | Reciprocating power tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090325 Termination date: 20170618 |