CN212761494U

CN212761494U - Portable electric wire saw

Info

Publication number: CN212761494U
Application number: CN202020917760.XU
Authority: CN
Inventors: 李传德
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-03-23
Anticipated expiration: 2030-05-27

Abstract

The utility model provides a portable electric wire saw, which comprises a frame, a power device, a transmission mechanism, a sliding device and a wire saw blade, wherein the frame comprises a base and a frame body fixed on the base; the power device is arranged on the frame base; the transmission mechanism is connected with the power device; the sliding device is arranged on the frame body of the frame and is connected with the transmission mechanism; the wire saw blade is mounted on the slide. The utility model discloses simple structure, convenient to use, work efficiency is high, and convenient to carry has very high use value and use meaning.

Description

Portable electric wire saw

Technical Field

The utility model relates to a machining equipment field, concretely relates to portable electric scroll saw machine.

Background

The wire saw is one of the equipments commonly used in the field of machining, and has almost irreplaceable function in the machining process. The existing scroll saw comprises a bow type and a table saw type, wherein the bow type is a manual tool, needs a person to provide power and has low working efficiency; the table saw type is an electric tool, has higher working efficiency, but has more limiting factors when in use due to larger volume, inconvenient carrying and more use.

SUMMERY OF THE UTILITY MODEL

To not enough and the defect among the prior art, the utility model provides a portable electronic scroll saw for solve among the prior art scroll saw work efficiency low and use limited problem.

In order to achieve the above and other related objects, the present invention provides a portable electric jigsaw machine, which comprises a frame, a power device, a transmission mechanism, a sliding device and a jigsaw blade, wherein the frame comprises a base and a frame body fixed on the base; the power device is arranged on the frame base; the transmission mechanism is connected with the power device; the sliding device is arranged on the frame body of the frame and is connected with the transmission mechanism; the wire saw blade is mounted on the slide.

In an embodiment of the present invention, the power device includes a motor and a speed reducer, the speed reducer passes through the shaft coupling and the motor output end is connected.

In an embodiment of the present invention, the transmission mechanism includes a transmission shaft, a driven shaft, two transmission gears and two driving gears, and the transmission shaft is connected to the power device; the driven shaft is fixed on the rack base through a bearing; the two transmission gears are respectively arranged on the transmission shaft and the driven shaft, and are meshed side by side; the two driving gears and the transmission gear are coaxially arranged, the driving gears are sector gears formed by two symmetrical sector surfaces, and the sector surfaces of the two driving gears are vertically arranged.

In an embodiment of the present invention, the sliding device includes two rack sliding rods, the rack sliding rods are slidably mounted on the rack body, and the rack sliding rods are engaged with the driving gears.

In an embodiment of the present invention, the rack slide bar is mounted on the rack support through a linear bearing.

In an embodiment of the present invention, the electric jigsaw further includes a guide wheel, the guide wheel is fixed on the frame support through a bracket, and the jigsaw blade is connected with the guide wheel in a matching manner.

In an embodiment of the present invention, the support and the rack support body are detachably connected.

In an embodiment of the present invention, the number of the guide wheels is at least 1.

In an embodiment of the present invention, the transmission mechanism includes a transmission shaft and a transmission gear installed on the transmission shaft, and the transmission gear is provided with an eccentric shaft.

In an embodiment of the present invention, the sliding device includes a horizontal sliding rod and a vertical sliding rod intersecting with the horizontal sliding rod, the vertical sliding rod is slidably connected to the horizontal sliding rod, and the eccentric shaft is connected to the vertical sliding rod in a nested manner.

As described above, the utility model discloses following beneficial effect has: the utility model discloses an electronic scroll saw machine fixes flexible line saw blade on slider, utilizes slider's slip to drive line saw blade reciprocating motion, accomplishes line saw blade's cutting action. The sliding device can be two rack sliding rods, and the front and back alternate sliding of the two rack sliding rods is realized by utilizing the alternate meshing of two fan-shaped driving gears which rotate in opposite directions and the rack sliding rods, so that the linear saw blade is driven to reciprocate to realize the linear cutting action. The sliding device can be replaced by two crossed sliding rods, and the driving gear rotates to push the sliding rods to do reciprocating motion through the eccentric shaft, so that the cutting action is completed. The utility model discloses simple structure, convenient operation, work efficiency is high, convenient to carry.

Drawings

The features and advantages of the invention will be more clearly understood by reference to the accompanying drawings, which are schematic and should not be understood as imposing any limitation on the invention, in which:

fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic structural diagram of a transmission mechanism and a sliding mechanism according to another embodiment of the present invention.

Reference numerals

1 machine frame

11 frame base

12 rack body

2 power plant

21 electric machine

22 speed reducer

3 drive mechanism

31 drive shaft

32 driven shaft

321 bearing seat

33 drive gear

34 drive gear

4 sliding device

41 rack slide bar

42 linear bearing

43 eccentric shaft

44 transverse sliding rod

45 longitudinal sliding rod

46 sliding sleeve

5 line saw blade

6 guide wheel

7 support

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It should be noted that the drawings provided in the present embodiment are only schematic and illustrate the basic idea of the present invention, and although the drawings only show the components related to the present invention and are not drawn according to the number, shape and size of the components in actual implementation, the form, quantity and proportion of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a portable electric jigsaw, which comprises a frame 1, a power device 2, a transmission mechanism 3, a sliding device 4 and a jigsaw blade 5, wherein the frame 1 is a body of the whole device and is used for supporting and mounting various structures of the jigsaw, and comprises a frame base 11 and a frame body 12 fixed on the machining base 11; the power device 2 is arranged on the frame base 11 and provides power for the cutting motion of the scroll saw; the transmission mechanism 3 is connected with the output end of the power device 2, the sliding device 4 is slidably mounted on the rack body 12 and connected with the transmission mechanism 3, and the transmission mechanism 3 converts the rotary motion of the power device 2 into the linear reciprocating motion of the sliding mechanism 2; the jigsaw blade 5 is mounted on the sliding device 4, and performs a linear reciprocating motion along with the sliding device 4 to realize a cutting action of the jigsaw machine.

Referring to fig. 2, in an embodiment, the power device 2 may be, for example, a combination of a motor 21 and a speed reducer 22, the motor 21 is mounted on the frame base 11, the speed reducer 22 is connected to an output shaft of the motor 21 through a coupling, the motor 21 provides power for the jigsaw, and the speed reducer 22 reduces a rotation speed of an output end of the motor 21, increases a torque, effectively reduces a load inertia of the motor, effectively maintains the motor, and saves a maintenance cost. In other embodiments, the motor can be connected with the output shaft of the motor through a reduction gear to achieve the effect of reducing the rotating speed of the motor and increasing the torque.

Referring to fig. 1 to 2, in an embodiment, the transmission mechanism 3 includes a transmission shaft 31, a driven shaft 32, two transmission gears 33 and two driving gears 34, the transmission shaft 31 is connected to an output end of the power device 2, for example, an output end of a reducer, the driven shaft 32 is fixed on a bearing seat 321 on the rack base 11 through a bearing, the transmission shaft 31 and the driven shaft 32 are installed side by side, the two transmission gears 33 are respectively installed on the transmission shaft 31 and the driven shaft 32, the two transmission gears 33 are installed in an engaged manner, the two driving gears 34 are respectively installed coaxially with the two transmission gears 33, that is, a driving gear 34 is installed in front of each transmission gear 33, the driving gear 34 is a sector gear formed by symmetrically installing two sectors with an included angle of 90 °, and when. The sliding device 4 in this embodiment is two rack sliding rods 41, the two rack sliding rods 41 are installed on the rack body 12 in parallel according to an up-down structure, the rack sliding rods 41 are installed with the rack body 12 in a sliding manner, for example, four linear bearings 42 can be installed on the rack body 12, two rack sliding rods 41 are installed up and down, two ends of the rack sliding rods 41 are installed on the rack body 12 through the linear bearings 42, and the two driving gears 34 are installed between the two rack sliding rods 41 and alternately meshed with the rack sliding rods 41. Two ends of the wire saw blade 5 are respectively fixed on the two rack slide bars 41. The power device 2 drives the transmission gear 33 on the transmission shaft 31 to rotate through the transmission shaft 31, the transmission gear 33 on the driven shaft 32 is driven to rotate in the opposite direction due to the meshing of the two transmission gears 33, the driving gear 34 and the transmission gear 33 are coaxially installed, the movement direction is the same as that of the transmission gear 33, and the two driving gears 34 are sector gears and have opposite operation directions, so that the two driving gears are alternately meshed with the rack slide bars 41, the upper rack slide bar 41 and the lower rack slide bar 41 alternately move back and forth linearly, and the linear saw blade 5 is driven to reciprocate to complete cutting.

Referring to fig. 1, in another embodiment, the electric jigsaw further includes a guide wheel 6, the guide wheel 6 is mounted on the frame body 12 through a bracket 7, the bracket 7 is detachably connected to the frame body 12, for example, by inserting, the jigsaw blade 5 passes around the guide wheel 6, and both ends of the jigsaw blade are respectively fixed to two rack slide bars 41. According to the operating mode, can be with leading wheel 6 installation and dismantlement, also the installation number of optional leading wheel, its installation number is at 0 ~ 6. For example, in a cutting-off working condition, the contact section of the linear saw blade 5 and the guide wheel 6 is a working section, and an object to be cut off can replace the guide wheel 6 under the working condition, so that the bracket 7 for mounting the guide wheel can be disassembled, and the guide wheel 6 is 0 at this time; the linear saw blade between the guide wheel 6 and the rack slide rod 41 is a working section under the modeling working condition, the guide wheel 6 has a guide function at the moment, the guide wheel 6 needs to be installed, and the number of the guide wheels 6 can be increased according to requirements under any working condition to change the shape of the linear saw blade 5.

Referring to fig. 3, in another embodiment, the transmission mechanism 3 includes a transmission shaft 31 and a transmission gear 33 mounted on the transmission shaft 31, an eccentric shaft 43 is mounted on one side of the transmission gear 33, the eccentric shaft 43 is rigidly connected to the transmission gear 33, the transmission gear 33 rotates to drive the eccentric shaft 43 to make a circular motion, the sliding device 4 includes a transverse sliding rod 44 and a longitudinal sliding rod 45 intersecting with the transverse sliding rod 44, the transverse sliding rod 44 is mounted on the rack body 12 through a sliding sleeve 46, the longitudinal sliding rod 45 is movably connected to the transverse sliding rod 44, for example, the sliding sleeve is disposed in the middle of the transverse sliding rod 44, the longitudinal sliding rod 45 is mounted in the sliding sleeve, the longitudinal sliding rod 45 can move up and down in the sliding sleeve, the eccentric shaft 43 is connected to the longitudinal sliding rod 45 in a nested manner. The transmission gear 33 rotates to drive the eccentric shaft 43 to do circular motion along with the driving gear 33, the eccentric shaft 43 drives the longitudinal slide bar 45 to do rotary motion, the longitudinal slide bar 45 pushes the transverse slide bar 44 to do linear reciprocating motion, and two ends of the transverse slide bar 44 drive the linear saw blade 5 to complete cutting action. The transmission mechanism 3 converts the circular motion of the transmission gear 33 into the linear reciprocating motion of the transverse sliding rod 44 through the eccentric shaft and the longitudinal sliding rod 45, and has simple structure and convenient operation. In this embodiment, the number of leading wheels is 1 at least, can select the number of leading wheels according to the operating mode to change the shape of line saw blade 5.

In other embodiments, the guide wheel 6 may be replaced by other guiding means, such as a rocker.

To sum up, the utility model discloses simple structure, convenient operation fixes flexible line saw blade 5 on slider 4, utilizes slider 4's slip to drive 5 linear reciprocating motion of line saw blade, accomplishes the cutting action. The sliding device 4 can be two rack sliding rods 41, and two fan-shaped driving gears 34 which rotate in opposite directions are alternately meshed with the rack sliding rods 41 to realize the front-back alternate sliding of the two rack sliding rods 41 so as to drive the linear saw blade 5 to reciprocate to realize the linear cutting action. The sliding device 4 can also be two crossed sliding rods, and the transmission gear 33 rotates to push the sliding rods to reciprocate through the eccentric shaft 43, so that the cutting action is completed. The utility model discloses work efficiency is high, convenient to carry. Therefore, the utility model discloses some practical problems among the prior art have effectively been overcome to there are very high use value and use meaning.

The above-described embodiments are merely illustrative of the principles of the present invention and its efficacy, rather than limiting the same, and various modifications and variations can be made by those skilled in the art without departing from the spirit and scope of the invention, such modifications and variations all falling within the scope of the appended claims.

Claims

1. The utility model provides a portable electric scroll saw which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the rack comprises a base and a rack body fixed on the base;

the power device is arranged on the rack base;

the transmission mechanism is connected with the power device;

the sliding device is arranged on the frame body of the frame and is connected with the transmission mechanism;

a wire saw blade mounted on the slide.

2. The portable power jigsaw of claim 1, wherein: the power device comprises a motor and a speed reducer, wherein the speed reducer is connected with the output end of the motor through a coupler.

3. The portable power jigsaw of claim 1, wherein: the transmission mechanism comprises a transmission mechanism and a transmission mechanism,

the transmission shaft is connected with the power device;

the driven shaft is fixed on the base through a bearing;

the two transmission gears are respectively arranged on the transmission shaft and the driven shaft, and the two transmission gears are meshed;

the two driving gears are coaxially arranged with the transmission gear;

the driving gear is a sector gear formed by two symmetrical sector surfaces, and the two sector surfaces of the driving gear are vertically arranged.

4. The portable power jigsaw of claim 3, wherein: the sliding device comprises two rack sliding rods, the rack sliding rods are slidably mounted on the rack body, and the rack sliding rods are meshed with the driving gears.

5. The portable power jigsaw of claim 4, wherein: the rack sliding rod is installed on the rack body through a linear bearing.

6. The portable power jigsaw of claim 1, wherein: the electric scroll saw further comprises a guide wheel, the guide wheel is fixed on the rack body through a support, and the scroll saw blade is connected with the guide wheel in a matched mode.

7. The portable power jigsaw of claim 6, wherein: the support with the frame support body can be dismantled and be connected.

8. The portable power jigsaw of claim 6, wherein: the number of the guide wheels is at least 1.

9. The portable power jigsaw of claim 8, wherein: the transmission mechanism comprises a transmission shaft and a transmission gear arranged on the transmission shaft, and an eccentric shaft is arranged on the transmission gear.

10. The portable power jigsaw of claim 9, wherein: the sliding device comprises a transverse sliding rod and a longitudinal sliding rod intersected with the transverse sliding rod, the longitudinal sliding rod is connected with the transverse sliding rod in a sliding mode, and the eccentric shaft is connected with the longitudinal sliding rod in a nested mode.