CN208304028U - A kind of sweep-saw - Google Patents
A kind of sweep-saw Download PDFInfo
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- CN208304028U CN208304028U CN201820533069.4U CN201820533069U CN208304028U CN 208304028 U CN208304028 U CN 208304028U CN 201820533069 U CN201820533069 U CN 201820533069U CN 208304028 U CN208304028 U CN 208304028U
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- sweep
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- fixed plate
- driving
- lifting frame
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Abstract
The utility model relates to a kind of sweep-saw, including casing, driving motor, transmission mechanism, lifter, reciprocating lever and saw blade, driving motor drives reciprocating lever to drive saw blade reciprocating relative to the casing by transmission mechanism；Transmission mechanism is assembled on a fixed bracket, the fixation bracket for being assembled with transmission mechanism is fixed in casing, fixed bracket includes fixed plate, the installation axle outwardly protruded is equipped in the left and right sidewall of fixed plate, fixed bracket is fixedly connected by the installation axle with the casing, there are two the spaced front support foot in left and right and two or so spaced rear support feet for tool in fixed plate, the first mounting base is equipped between described two front support feet, the second mounting base is equipped between described two rear support feet, first mounting base is equipped with the pilot hole passed through for the reciprocating lever, second mounting base is equipped with the guide groove being inserted into for the end of the reciprocating lever.
Description
Technical field
The utility model relates to a kind of sweep-saws.
Background technique
Sweep-saw is a kind of more commonly used tool, and the cutting object of reciprocating saw can be timber, metal or these materials
The mixing of material, since cutting object is wider, and also it is easy to carry, it is suitable for the occasions such as house ornamentation.Sweep-saw is straight by saw blade
Line reciprocating motion workpiece is cut, common sweep-saw is all single saw blade, by the rotary motion of motor by it is various not
Same transmission mechanism, such as eccentric wheel, swing rod, are converted into the reciprocating motion of reciprocating lever.
It include the components such as reciprocating lever, transmission mechanism in the shell of sweep-saw, reciprocating lever, transmission in existing sweep-saw
The components such as mechanism are usually separately fixed on shell, and shell mostly uses plastic material, therefore in the fixed bit of part
It sets and easily deforms, so that above-mentioned each components are easy to appear loosening and relative dislocation occurs, influence to be driven effect, it is this
Sweep-saw stability is bad, and service life is short, and on the other hand, this connection structure is needed components such as reciprocating lever, transmission mechanisms
It is in turn mounted in shell, assembly process is complicated, and production cost is higher.
Therefore existing sweep-saw also requires further improvement.
Utility model content
For the current state of the art, the technical problem to be solved by the utility model is to provide a kind of sweep-saw, the songs
Scroll saw stability is good, assembly process is simple, production cost is low.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of sweep-saw, including casing, driving
Motor, transmission mechanism, lifter, reciprocating lever and saw blade, the driving motor drive reciprocating lever with band by transmission mechanism
Dynamic saw blade is reciprocating relative to the casing；The transmission mechanism is assembled on a fixed bracket, is assembled with transmission mechanism
The fixed bracket be fixed in the casing, the fixed bracket includes fixed plate, in the left and right sidewall of the fixed plate
It is equipped with the installation axle outwardly protruded, the fixed bracket is fixedly connected by the installation axle with the casing, in fixed plate
Tool there are two the spaced front support foot in left and right and two or so spaced rear support feet, described two front support feet it
Between be equipped with the first mounting base, the second mounting base is equipped between described two rear support feet, first mounting base is equipped with for institute
The pilot hole that reciprocating lever passes through is stated, second mounting base is equipped with the guide groove being inserted into for the end of the reciprocating lever.Setting institute
The first mounting base and second mounting base are stated to limit the reciprocating lever, prevents reciprocating lever when carrying out front-rear reciprocation movement
Sidesway occurs.
Preferably, the lifter includes cutter lifting frame and driving plate, the transmission mechanism drives the driving plate to make
It moves back and forth, the driving plate, which moves back and forth, drives the cutter lifting frame to swing up and down.
Preferably, the fixed plate is equipped with the first locating shaft, the driving plate passes through described first locating shaft or so
It is rotatably connected in the fixed plate, the left-right rotation of the driving plate can drive the cutter lifting frame to swing up and down.
Preferably, the fixed plate is equipped with the second locating shaft, the transmission mechanism includes eccentric wheel, the eccentric wheel
It is mounted in the fixed plate by second locating shaft, the upside of the eccentric wheel and downside, which are respectively equipped with, to be shifted to install
Eccentric shaft and eccentric projection, the eccentric shaft can drive reciprocating lever reciprocating relative to the casing, and the bias is convex
Block can drive the driving plate around first locating shaft relative to the fixed plate left-right rotation.
Preferably, the reciprocating lever is equipped with the first drive hole, the eccentric shaft is located in first drive hole；Institute
Driving plate is stated equipped with the second drive hole, the eccentric projection is located in second drive hole.
Preferably, the sweep-saw further includes being assembled in the fixed plate and capable of sliding before and after the relatively described fixed plate
The balance plate of shifting, the balance plate are equipped with third drive hole and the consistent limit hole of length direction with the reciprocating lever, institute
It states eccentric projection to be located in the third drive hole, the rotation of eccentric projection can drive before and after the balance plate opposing fixed plate
Sliding, the fixed plate are equipped with limit shaft, and the limit shaft is threaded through in the limit hole of the balance plate.
Preferably, the fixed plate is equipped with the first relief hole, the driving plate is equipped with the second relief hole, described flat
Weigh plate be equipped with third relief hole, the driving motor have output shaft, the output shaft sequentially pass through first relief hole,
Second relief hole and third relief hole and the gear by the way that the output shaft end is arranged in drive the eccentric wheel rotation.
Preferably, the cutter lifting frame can be connected on the housing with rotating upwardly and downwardly by shaft, the cutter lifting frame tool
There are driving end and working end, the driving end of the drive connection cutter lifting frame of the driving plate, so that the cutter lifting frame is around described
Shaft is swung up and down, the working end of cutter lifting frame can discontinuity lift the saw blade upwards.
Preferably, blocking part is formed in the driving plate, between the blocking part and the driving end of the cutter lifting frame
Equipped with the catch bar that can be slided, the fixed plate is equipped with the sliding slot for catch bar sliding, the rotation of the blocking part
The relatively described fixed plate of the catch bar can be driven to make front and back sliding, and then the driving end for acting on the cutter lifting frame makes institute
The working end for stating cutter lifting frame is swung up and down around the shaft.Such structure setting, can be by the left-right rotation of the blocking part
It is converted into linear movement of the catch bar on the front-rear direction of fixed plate, the cutter lifting frame is pushed by the catch bar,
It avoids the setting on the driving end of cutter lifting frame and the auxiliary section of Relative sliding is contacted and be capable of for the driving plate, enormously simplify
The framework at the driving end of cutter lifting frame, so that driving is more flexible.
Preferably, having the guide wheel that can be rotated on the working end of the cutter lifting frame, the guide wheel is connected to the saw
The lower section of item.
Compared with prior art, the utility model provides a kind of sweep-saw, and fixed branch is provided in the casing of the sweep-saw
Transmission mechanism and reciprocating lever are integrated on fixed bracket by frame, the fixation bracket, and this structure setting avoids the prior art
The middle connection type being fixed to by the way of connecting above-mentioned each components using fission on the casing, but will be above-mentioned each
Part is integrated into mounting bracket, and components each in this way, which would not cause to loosen because of the deformation of casing, even to misplace, and influences to pass
Dynamic effect, therefore stability is more preferable in use；On the other hand, sweep-saw is when being assembled, can first will be above-mentioned each
Components are centrally mounted on the fixed bracket, then fixed bracket are fixed in the casing again, this structure setting
So that the assembly process of sweep-saw greatly simplifies, production cost has been saved.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the sweep-saw of the utility model embodiment；
Fig. 2 is the part-structure sectional view of the sweep-saw of the utility model embodiment；
Fig. 3 is the schematic perspective view of the sweep-saw of the utility model embodiment；
Fig. 4 is the schematic perspective view (half-shell for concealing casing) of the sweep-saw of the utility model embodiment；
Fig. 5 is the internal structure decomposition diagram of the sweep-saw of the utility model embodiment；
Fig. 6 is the internal structure decomposition diagram (another angle) of the sweep-saw of the utility model embodiment；
Fig. 7 is the lifter stereoscopic schematic diagram of the sweep-saw of the utility model embodiment；
Fig. 8 is the lifter stereoscopic schematic diagram (another angle) of the sweep-saw of the utility model embodiment；
Fig. 9 is the fixation bracket schematic perspective view of the sweep-saw of the utility model embodiment；
Figure 10 is the balance plate schematic perspective view of the sweep-saw of the utility model embodiment；
Figure 11 is the eccentric wheel schematic perspective view of the sweep-saw of the utility model embodiment.
Specific embodiment
Illustrate the technical solution of the utility model in order to clearer, in the present invention, described " front and back " direction
Refer to the direction of the reciprocating lever of sweep-saw moved back and forth, wherein 4 position of saw blade is " preceding ", 17 institute of handle of sweep-saw
It is set to " rear " in place；Described " upper and lower " direction refer to the saw blade 4 of sweep-saw when cutting workpiece close to the side far from workpiece
To, wherein position is "upper" when saw blade 4 is close to workpiece, and the position where when far from workpiece is "lower".
The utility model is described in further detail below in conjunction with figure embodiment.
As shown in Figure 1 to 4, a kind of sweep-saw includes casing 1, driving motor 2, transmission mechanism, reciprocating lever 3, cutter lifting machine
Structure, balance weight 9 and fixed bracket 8；Wherein, casing 1 is formed there are two half-shell snapping, and driving motor 2 is contained in casing 1 and uses
It is past to drive the saw blade that its end is arranged in 4 to make relative to casing 1 to provide power and drive reciprocating lever 3 by transmission mechanism
Multiple movement, specifically, in the present embodiment, transmission mechanism includes eccentric wheel 5, the upside of eccentric wheel 5 is equipped with eccentric shaft 52, under
Side is equipped with eccentric projection 51, and wherein eccentric shaft 52 can convert the rotary motion of driving motor 2 to the reciprocal fortune of reciprocating lever 3
Dynamic, and eccentric projection 51 is used to drive lifter and balance weight 9, lifter includes cutter lifting frame 6 and for driving cutter lifting
The driving plate 7 that frame 6 is swung up and down, driving plate 7 are driven reciprocating by eccentric wheel 5, and fixed bracket 8 is fixed at casing 1,
Wherein, referring to Fig. 9, fixed bracket 8 includes fixed plate 81, the first locating shaft 82, second being fixedly installed in the fixed plate 81
Locating shaft 83, limit shaft 86 and support leg 84,85, for shelving or supporting driving plate 7, eccentric wheel 5, balance weight 9 and reciprocating lever
3, specifically, being disposed with lifter, balance weight from the bottom up in the fixed plate 81 of fixed bracket 8 referring to Fig. 5~Fig. 6
9, eccentric wheel 5, reciprocating lever 3, wherein driving plate 7 of first locating shaft 82 to position lifter, eccentric wheel 5 are set in
Two locating shafts 83, limit shaft 86 are used to limit balance weight 9, and support leg 84,85 is used to support fixed reciprocating lever 3.This structure is set
The connection type for avoiding and being in the prior art fixed to above-mentioned each components by the way of seperated connection on casing 1 is set, and
It is that above-mentioned each part is integrated into mounting bracket 8, components each in this way would not cause to loosen even because of the deformation of casing 1
Dislocation influences to be driven effect；This sweep-saw is consolidated above-mentioned each components without multiple fixed positions are arranged in casing 1
It is fixed, simplify the structure of casing 1；On the other hand, sweep-saw can first install above-mentioned each components concentratedly when being assembled
Onto fixed bracket 8, then fixed bracket 8 is fixed in casing 1 again, this structure setting makes the assembly process of sweep-saw
It greatly simplifies, has saved production cost.
Specifically, the driving plate 7 of lifter is equipped with the second drive hole 71,5 downside of eccentric wheel referring to Fig. 7~Fig. 8
Eccentric projection 51 is located in the second drive hole 71, and eccentric projection 51 drives driving plate 7 reciprocating, the reciprocal fortune of driving plate 7
It is dynamic to be able to drive cutter lifting frame 6 and swing up and down, wherein driving plate 7 is rotatably connected on fixed bracket 8 by the first locating shaft 82；
Driving plate 7 has front end, the rear end end Liang Ge, and the rear end of driving plate 7 is close to eccentric wheel 5, and the front end of driving plate 7 is close to cutter lifting
Frame 6, eccentric wheel 5 are drivingly connected the rear end of driving plate 7, and the front-end driven of driving plate 7 connects cutter lifting frame 6, and eccentric wheel 5 can drive
Driving plate 7 swings around the first locating shaft 82 and then cutter lifting frame 6 is driven to swing up and down；Cutter lifting frame 6 by shaft 11 can on
Under be rotationally connected on casing 1, cutter lifting frame 6 have driving end 61 and working end 62, the front end of driving plate 7 can push cutter lifting
The driving end 61 of frame 6, so that the working end 62 of cutter lifting frame 6 11 is swung up and down around the shaft.More specifically, the front end shape of driving plate 7
At there is blocking part 73, it is equipped with the catch bar 12 that can be slided between blocking part 73 and the driving end 61 of cutter lifting frame 6, in fixed plate 81
Equipped with the sliding slot 812 slided for catch bar 12, the rotation of blocking part 73 can drive 12 opposing fixed plate 81 of catch bar to make front and back
Sliding, and then the driving end 61 for acting on cutter lifting frame 6 swings up and down the working end 62 of cutter lifting frame 6 11 around the shaft；Cutter lifting frame 6
Working end 62 on also there is the guide wheel 63 that can rotate, guide wheel 63 is connected to the lower section of saw blade 4, the setting of guide wheel 63 so that
Lifting for saw blade 4 is more flexible, and frictional force is smaller.Such structure setting can convert the angular turn of blocking part 73 to
Linear movement of the catch bar 12 on the front-rear direction of fixed plate 81 pushes cutter lifting frame 6 by catch bar 12, avoids in cutter lifting
The preceding end in contact for driving plate 7 is set on the driving end 61 of frame 6 and is capable of the auxiliary section of Relative sliding, enormously simplifies cutter lifting frame
The framework at 6 driving end 61, so that driving is more flexible.
Balance weight 9 is shelved in fixed plate 81 and can slide before and after opposing fixed plate 81, referring to Figure 10, the balance weight 9
It is equipped with third drive hole 91 and the consistent limit hole 92 of length direction with reciprocating lever 3, eccentric projection 51 is located at third drive
In dynamic hole 91, the rotation of eccentric projection 51 slides before and after capable of driving 9 opposing fixed plate 81 of balance weight；Correspondingly, fixed plate 81
It is equipped with limit shaft 86, limit shaft 86 is threaded through in limit hole 92.Specifically, eccentric shaft 52 and the downside of 5 upside of eccentric wheel
Eccentric projection 51 is to shift to install, and preferably, the axle center of eccentric shaft 52 and the shaft core position of eccentric projection 51 are relative to eccentric wheel 5
Axle center at 180 degree angle so that bring shakes when balance weight 9 is used to the reciprocating lever 3 of 5 driving curve of counterbalanced eccentric saw,
Wherein balance weight 9 with driving plate 7 is driven by the same eccentric projection 51 on eccentric wheel 5.
In addition, fixed plate 81 is equipped with the first relief hole 813, driving plate 7 is equipped with the second relief hole 72, on balance weight 9
Equipped with third relief hole 93, driving motor 2 has output shaft, and output shaft sequentially passes through the first relief hole 813, the second relief hole 72
With third relief hole 93 and the gear 21 by the way that the output shaft end is arranged in drives eccentric wheel 5 to rotate.
Support leg 84,85, including two front support feet 84 and two rear support feet 85 are equipped between two front support feet 84
First mounting base 13, the first mounting base 13 are equipped with the pilot hole 131 passed through for reciprocating lever 3, set between two rear support feet 85
There is the second mounting base 14, the first mounting base 13 is equipped with the guide groove 141 of the end insertion for reciprocating lever 3.First mounting base is set
13 and second mounting base 14 to limit reciprocating lever 3, prevent reciprocating lever 3 from sidesway occurs when carrying out front-rear reciprocation movement.Specifically
, it is equipped with fixation hole 15 on two rear support feet 85, is equipped with fixed link 16 in fixation hole 15, the support of fixed link 16 connection the
Two mounting bases 14.
It is equipped with the installation axle 811 outwardly protruded in the left and right sidewall of fixed plate 81, has and installation axle 811 on casing 1
Compatible card slot, fixed bracket 8 pass through installation axle 811 and 1 snap-fit connection of casing.Such 8 structure of fixed bracket is simple,
Convenient for being assembled with casing 1.Specifically, above-mentioned each components when being assembled, can be first centrally mounted to by sweep-saw
On fixed bracket 8, then fixed bracket 8 is fixed in casing 1 again, this structure setting makes the assembly process of sweep-saw big
It is big to simplify, save production cost.
Claims (10)
1. a kind of sweep-saw, including casing (1), driving motor (2), transmission mechanism, lifter, reciprocating lever (3) and saw blade
(4), the driving motor (2) drives saw blade (4) to make relative to the casing (1) by transmission mechanism driving reciprocating lever (3)
It moves back and forth；It is characterized by: the transmission mechanism is assembled on one fixed bracket (8), it is assembled with the described solid of transmission mechanism
Fixed rack (8) is fixed in the casing (1), and the fixed bracket (8) includes fixed plate (81), a left side for the fixed plate (81)
Be equipped with the installation axle (811) outwardly protruded on right side wall, the fixed bracket (8) by the installation axle (811) with it is described
Casing (1) is fixedly connected, in fixed plate (81) tool there are two the spaced front support foot (84) in left and right and two between left and right every
The rear support foot (85) of setting is equipped with the first mounting base (13) between described two front support feet (84), described two rear supports
The second mounting base (14) are equipped between foot (85), first mounting base (13) is equipped with leads for what the reciprocating lever (3) passed through
To hole (131), second mounting base (14) is equipped with the guide groove (141) being inserted into for the end of the reciprocating lever (3).
2. sweep-saw according to claim 1, it is characterised in that: the lifter includes cutter lifting frame (6) and driving plate
(7), the transmission mechanism drives the driving plate (7) reciprocating, and the driving plate (7), which moves back and forth, drives the cutter lifting
Frame (6) is swung up and down.
3. sweep-saw according to claim 2, it is characterised in that: the fixed plate (81) is equipped with the first locating shaft
(82), the driving plate (7) is connected on the fixed plate (81) by the first locating shaft (82) left-right rotation, the drive
The left-right rotation of movable plate (7) can drive the cutter lifting frame (6) to swing up and down.
4. sweep-saw according to claim 3, it is characterised in that: the fixed plate (81) is equipped with the second locating shaft
(83), the transmission mechanism includes eccentric wheel (5), and the eccentric wheel (5) is mounted on described by second locating shaft (83)
In fixed plate (81), the upside and downside of the eccentric wheel (5) are respectively equipped with the eccentric shaft (52) shifted to install and eccentric projection
(51), the eccentric shaft (52) can drive reciprocating lever (3) reciprocating relative to the casing (1), the eccentric projection
(51) driving plate (7) can be driven around first locating shaft (82) relative to the fixed plate (81) left-right rotation.
5. sweep-saw according to claim 4, it is characterised in that: the reciprocating lever (3) is equipped with the first drive hole (31),
The eccentric shaft (52) is located in first drive hole (31)；The driving plate (7) is equipped with the second drive hole (71), described
Eccentric projection (51) is located in second drive hole (71).
6. sweep-saw according to claim 5, it is characterised in that: the sweep-saw further includes being assembled in the fixed plate
(81) on and it is capable of the balance plate (9) slid before and after the fixed plate (81) relatively, which is equipped with third drive hole
(91) and the consistent limit hole of length direction (92) with the reciprocating lever (3), the eccentric projection (51) is located at described the
In three drive holes (91), the rotation of eccentric projection (51) can drive sliding before and after the balance plate (9) opposing fixed plate (81),
The fixed plate (81) is equipped with limit shaft (86), and the limit shaft (86) is threaded through the limit hole (92) of the balance plate (9)
It is interior.
7. sweep-saw according to claim 6, it is characterised in that: the fixed plate (81) is equipped with the first relief hole
(816), the driving plate (7) is equipped with the second relief hole (72), and the balance plate (9) is equipped with third relief hole (93), institute
Driving motor (2) are stated with output shaft, the output shaft sequentially passes through first relief hole (816), the second relief hole (72)
With third relief hole (93) and the gear (21) by the way that the output shaft end is arranged in drives eccentric wheel (5) rotation.
8. according to the described in any item sweep-saws of claim 2~7, it is characterised in that: the cutter lifting frame (6) passes through shaft (11)
It can be connected to rotating upwardly and downwardly on the casing (1), the cutter lifting frame (6) has driving end (61) and working end (62), described
The driving end (61) of the drive connection of driving plate (7) the cutter lifting frame (6), so that the cutter lifting frame (6) is around the shaft (11)
Swing up and down, the working end (62) of cutter lifting frame (6) can discontinuity lift the saw blade (4) upwards.
9. sweep-saw according to claim 8, it is characterised in that: be formed with blocking part (73), institute on the driving plate (7)
State the catch bar (12) that is equipped with and can slide between blocking part (73) and the driving end (61) of the cutter lifting frame (6), the fixation
Plate (81) is equipped with the sliding slot (812) for the catch bar (12) sliding, and the rotation of the blocking part (73) can drive described
The relatively described fixed plate (81) of catch bar (12) makees front and back sliding, and then the driving end (61) for acting on the cutter lifting frame (6) makes
The working end (62) for obtaining the cutter lifting frame (6) is swung up and down around the shaft (11).
10. sweep-saw according to claim 9, it is characterised in that: have energy on the working end (62) of the cutter lifting frame (6)
The guide wheel (63) enough rotated, the guide wheel (63) are connected to the lower section of the saw blade (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820533069.4U CN208304028U (en) | 2018-04-13 | 2018-04-13 | A kind of sweep-saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820533069.4U CN208304028U (en) | 2018-04-13 | 2018-04-13 | A kind of sweep-saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208304028U true CN208304028U (en) | 2019-01-01 |
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ID=64719914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820533069.4U Active CN208304028U (en) | 2018-04-13 | 2018-04-13 | A kind of sweep-saw |
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| Country | Link |
|---|---|
| CN (1) | CN208304028U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022075341A1 (en) * | 2020-10-07 | 2022-04-14 | Uht株式会社 | Driving tool |
| CN115889892A (en) * | 2021-09-30 | 2023-04-04 | 南京泉峰科技有限公司 | Reciprocating saw |
-
2018
- 2018-04-13 CN CN201820533069.4U patent/CN208304028U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022075341A1 (en) * | 2020-10-07 | 2022-04-14 | Uht株式会社 | Driving tool |
| CN115889892A (en) * | 2021-09-30 | 2023-04-04 | 南京泉峰科技有限公司 | Reciprocating saw |
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