CN108856883A - A kind of electric reciprocating saw - Google Patents

A kind of electric reciprocating saw Download PDF

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Publication number
CN108856883A
CN108856883A CN201810951707.9A CN201810951707A CN108856883A CN 108856883 A CN108856883 A CN 108856883A CN 201810951707 A CN201810951707 A CN 201810951707A CN 108856883 A CN108856883 A CN 108856883A
Authority
CN
China
Prior art keywords
frame
saw blade
transmission belt
sliding block
guide post
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810951707.9A
Other languages
Chinese (zh)
Inventor
任广伟
赵岩
毕喜彦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201810951707.9A priority Critical patent/CN108856883A/en
Publication of CN108856883A publication Critical patent/CN108856883A/en
Priority to PCT/CN2019/098933 priority patent/WO2020038211A1/en
Priority to US17/169,476 priority patent/US20210154756A1/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D49/00Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D51/00Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/06Grinders for cutting-off
    • B24B27/0608Grinders for cutting-off using a saw movable on slideways
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/02Frames; Beds; Carriages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/10Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/16Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sawing (AREA)

Abstract

The invention discloses a kind of electric reciprocating saws, including c-type frame, motor, pulley, reciprocating block, guide post, transmission belt, saw blade guide post, saw blade sliding block, saw blade-holder, saw blade, workbench and pedestal;Motor and belt pulley are installed, motor driven reciprocating block is slided in guide post on the frame;The reciprocating block is fixed with transmission belt, and transmission belt is limited by four pulleys of lower portion, and the both ends of transmission belt are each attached on saw blade sliding block;Saw blade sliding block can slide on saw blade guide post, and the setting of saw blade guide post is in frame both ends and opposite installation;Saw blade-holder is installed, saw blade-holder is connected to the both ends of saw blade on saw blade sliding block;The frame, workbench and pedestal etc. have been adopted different form and have been applied in combination.The present invention can reach on the basis of realizing saw blade, abrasive stick straight reciprocating motion and cut that usage mode multiplicity, stroke is big, precision is high, and saw blade used, abrasive stick are wide in variety, cut workpiece shapes and the wide effect of material ranges.

Description

A kind of electric reciprocating saw
Technical field
The invention belongs to reciprocating saw technical fields, and in particular to a kind of electric reciprocating saw.
Background technique
Reciprocating saw is common electric cutting tool in a kind of industrial production and daily life, by using different types of Saw blade is reciprocating, and the workpiece such as metal, timber, plastics, stone material, glass are carried out straight line or curvilinear cut, main at present Way of realization has sweep-saw, saber saw, garland saw, hack sawing machine etc..Sweep-saw, saber saw with electric driving mechanism, push The saw cramp head and guide rod of saw blade one end have that cutting stroke is short, precision is low, saw along the reciprocating realization motorization of limiting device The defect of poor universality.Garland saw pushes clamping to have the saw blade frame of saw blade with electric driving mechanism, makees around frame axis Suitable, counter-clockwise swing, the motorization that realization saw blade moves back and forth, exists for overcoming inertia power loss big, and saw blade motion exists Deviation angle, the low defect of precision.Hack sawing machine with electric driving mechanism, integrally lead along saw blade frame by the saw blade frame for pushing clamping to have saw blade Rail makees straight reciprocating motion, realizes the reciprocal motorization of saw blade, exists and overcome inertia power loss big, and cutting speed is slow, manufacture Rigidity requires high, the relatively cumbersome defect of equipment.
Summary of the invention
The present invention to solve the above-mentioned problems, provides one kind by closed-loop drive, usage mode is various, it is big to cut stroke Electric reciprocating saw, reciprocating saw precision is high, can a variety of saw blades of clamping or abrasive stick, it is wide to cut workpiece material range.
The technical solution adopted by the present invention is:
A kind of electric reciprocating saw, including c-type frame, motor, pulley, reciprocating block, guide post, transmission belt, saw blade guide post, saw blade Sliding block, saw blade-holder, saw blade and pedestal;Mounting rack is installed between the opposite both sides of the frame, is equipped on the mounting rack Motor and belt pulley, motor drive the power wheel on motor shaft, and power wheel makes pulley rotation, the side of belt pulley by belt One end of outer rim and connecting rod is hinged, and the other end and reciprocating block of connecting rod are hinged;The reciprocating block can be slided in guide post;It leads It is mounted between frame and mounting rack to pylon for fixed guide column;The reciprocating block is fixed with transmission belt, the transmission belt Four pulleys by being mounted on lower portion limit, and the both ends of transmission belt are each attached on saw blade sliding block;The saw blade sliding block It can be slided on saw blade guide post, the saw blade guide post setting is in frame both ends and opposite installation;It is installed on the saw blade sliding block There is saw blade-holder, saw blade-holder is connected to the both ends of saw blade;The transmission belt, saw blade sliding block, saw blade-holder, saw blade formation can be transported integrally Dynamic connection closed loop, is limited by frame and pulley;The frame is placed on pedestal.
Further, belt tensioner is installed on one of pulley of frame, the tensioning apparatus includes passing Dynamic band tensioning frame, shaft and hand the turn of the screw, the transmission belt tensioning frame is U-shaped, and the both ends of transmission belt tensioning frame are inserted in pulley It is fixed between frame and through shaft, is provided with strip-shaped hole on the frame at shaft both ends;The hand the turn of the screw is mounted on transmission belt The end at the top of tensioning frame, hand the turn of the screw is withstood on the outer surface of frame.
Further, the frame ends are provided with pin hole corresponding with frame slot.
Further, workbench is installed on the pedestal, the sipes that saw blade can be passed through, institute are provided on the workbench The workbench stated is fixed by support rod.
Further, spring is installed, the spring is arranged between saw blade sliding block and frame on the saw blade guide post.
Further, the belt pulley is directly connected with motor shaft, and belt pulley drives reciprocating block to move by connecting rod.
Further, the pedestal is equipped with frame slot, is provided with pin hole on the frame slot;The pin hole can be with frame end The through-hole in portion enables frame to turn an angle with the end of frame by shaft pin connection.
Further, there are two flange bases, flange base to be used for fixed frame guide post, the frame for installation on the pedestal Sliding block is installed, sliding block is fixed on frame, enables frame is horizontal to pump on guide post.
The beneficial effect comprise that:The present invention uses closed-loop drive mode, can be realized by different combinations more Kind of usage mode, on the basis of realizing saw blade, abrasive stick straight reciprocating motion, it is simple to reach structure, cut usage mode it is various, Stroke is big, precision is high, and saw blade used, abrasive stick are wide in variety, cuts workpiece shapes and the wide effect of material ranges.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first use state of the invention;
Fig. 2 is the side structure schematic diagram of the first use state of the invention;
Fig. 3 is the another form of structural schematic diagram of motor drive;
Fig. 4 is the structural schematic diagram of belt tensioner;
Fig. 5 is the structural schematic diagram of saw blade sliding block and its adjacent part;
Fig. 6 is the structural schematic diagram of pedestal;
Fig. 7 is the front view of the first saw blade-holder;
Fig. 8 is the lateral plan of the first saw blade-holder;
Fig. 9 is the front view of second of saw blade-holder;
Figure 10 is the lateral plan of second of saw blade-holder;
Figure 11 is the top view of second of saw blade-holder;
Figure 12 is the structural schematic diagram of second of use state of the invention;
Figure 13 is the top view of second of use state of the invention;
Figure 14 is the structural schematic diagram of the third use state of the invention;
Figure 15 is the side structure schematic diagram of the third use state of the invention;
In figure:1- frame, 2- mounting rack, 3- pedestal, 4- motor, 5- belt pulley, 6- connecting rod, 7- guide post, 8- reciprocating block, 9- skin Band, 10- transmission belt, 11- pulley, 12- transmission belt tensioning frame, 13- saw blade sliding block, 14- saw blade guide post, 15- saw blade-holder, 16- saw Item, 17- shaft, the turn of the screw of 18- hand, 19- guiding pylon, 20- frame slot, 21- power wheel, 22- electric machine support, 23- workbench, 24- support rod, 25- spring, 26- frame guide post, 27- sliding block, 28- flange base, 29- tabletting, 30- roller pin.
Specific embodiment
The present invention will be further described below with reference to the drawings.
As depicted in figs. 1 and 2, the present invention is a kind of electric reciprocating saw, and main structure includes 1 He of c-type frame of tubulose Pedestal 3, two relative edges perpendicular to frame openings end and is welded with mounting rack 2 between frame third side, on mounting rack 2 Motor 4 is installed, middle part is equipped with belt pulley 5, be wherein fixed between motor 4 and frame 1 by electric machine support 22.Motor Power wheel 21 is installed on 4 motor shaft and is in the same side of mounting rack with belt pulley 5, the power of motor output is through power wheel It is rotated after 21 by 9 driving belt pulley 5 of belt, is in order to which the revolving speed for exporting motor is reduced using this kind of drive;Due to The type of motor is compared with horn of plenty at present, it may have the motor of included retarder, according to this motor then as shown in figure 3, motor Axis is directly connected with belt pulley 5.Connecting rod 6 and hinged with one end of connecting rod is installed at 5 side outer rim of belt pulley, connecting rod 6 The other end and reciprocating block 8 are hinged, and reciprocating block 8 can be moved along guide post 7, and when belt pulley 5 rotates, connecting rod 6 is driven reciprocal Block 8 can only move reciprocatingly in guide post 7.The both ends of guide post 7 are separately mounted between guiding pylon 19 and frame 1, this The reason of sample is arranged is can to reserve enough installations and adjusting space for the belt tensioner of 7 top of guide post.
In order to enable the device to that saw blade is driven to move reciprocatingly, the present invention is driven using the transmission belt 10 of flat type, Also being able to use cross section is the shapes such as round, triangular form, ladder type, the transmission belt or rope substitution of the materials such as Yi Jigang, modeling.Transmission Middle part with 10 is fixed in reciprocating block 8, and the remainder of transmission belt is mounted through the four of lower portion pulleys 11 Afterwards, end is fixed on saw blade sliding block 13.As shown in figure 5, two parallel saw blade guide posts 14 are mounted in frame 1, saw blade Sliding block 13 moves on two saw blade guide posts 14 simultaneously, in order to increase the restoring force of saw blade sliding block, in saw blade sliding block 13 and frame 1 Between saw blade guide post on spring 25 is installed.The lower section of saw blade sliding block 13 is equipped with saw blade-holder 15, and one end of saw blade 16 passes through Screw is fastened on saw blade-holder 15.Above structure is arranged in pairs in the upper and lower end parts of frame 1, and the both ends of fixed saw blade.Saw blade Sliding block 13 and the junction of saw blade-holder 15 are flexibly connected using cylindrical hole and column, enable the flank of tooth of saw blade at 360 degree It is rotated on direction, convenient for applying other usage modes of the invention.As shown in Figure 7 and Figure 8, the first saw blade-holder is suitable for flat type Saw blade, abrasive stick;As shown in Figures 9 to 11, second of saw blade frame is suitable for line style saw blade, abrasive stick.Transmission belt is through length in order to prevent Time is using rear generation relaxation and is conveniently replaceable saw blade, and the present invention is equipped with belt tensioner on frame, theoretically For, tensioning apparatus may be provided on any one pulley in frame, but optimal mode is to be installed on guiding pylon 19 The pulley 11 of side.As shown in figure 4, belt tensioner includes transmission belt tensioning frame 12, shaft 17 and hand the turn of the screw 18, wherein Transmission belt tensioning frame 12 is U-shaped, and the both ends of transmission belt tensioning frame 12 are inserted between pulley 11 and frame 1 and are consolidated by shaft 17 It is fixed, strip-shaped hole is provided on the frame at 17 both ends of shaft, the top of transmission belt tensioning frame 12 is equipped with hand the turn of the screw 18, hand the turn of the screw 18 end is withstood on the outer surface of frame.Transmission belt tensioning frame 12 and shaft 17 and pulley are driven by rotation hand the turn of the screw 18 11 mass motion, to be tensioned or loosen transmission belt.
As shown in figs. 1,2 and 6, in the first usage mode, frame 1 is consolidated by two tablettings 29 in the present invention Determine on the base 3, while there are four support rods 24 for installation on pedestal 3, workbench 23 are mounted on the base, and saw blade 16 is worn The sipes in workbench is crossed, achievees the purpose that facilitate operation.In order to reach second of usage mode of the invention, the one of pedestal Side is equipped with frame slot 20, is provided with pin hole on frame slot 20.
As shown in Figure 12 and Figure 13, it is provided with pin hole that can be hinged with frame slot in the open end of frame, passes through shaft Frame slot 20 in 30 connection framework of pin and pedestal enables frame to revolve in certain angular range with roller pin 30 for dot Turn, and the other end of the hand-holdable frame of cooperating platform 23 carries out cutting operation.
As shown in Figure 14 and Figure 15, which show the third usage mode of the invention, in this approach, pedestal 3 There are two flange base 28, flange bases 28 to be equipped on frame guide post 26 for fixing two frame guide posts 26 for both ends installation Sliding block 27, sliding block 27 are fixed on frame 1, enable frame 1 is horizontal to move up and down, according to the needs of use cooperating platform 23 into Row cutting operation.
Structure of the invention is compact, power loss is small, it is big to cut stroke, precision is high, cutting mode is various, and can be by using instead Variety classes saw blade-holder clamps a variety of saw blades, abrasive stick, has sawing, mill cuts different shape, the ability of material work piece.
Not having the technical characteristic being described in detail in the application is the prior art.The application is only illustrated in above-described embodiment Principle and effect, not for limitation the application.Any person skilled in the art all can be without prejudice to spirit herein Under the scope of and, carry out modifications and changes to above-described embodiment.Therefore, those of ordinary skill in the art without departing from All equivalent modifications or change completed under spirit and technical idea disclosed herein, should be wanted by the right of the application It asks and is covered.

Claims (8)

1. a kind of electric reciprocating saw, it is characterised in that:Including c-type frame, motor, pulley, reciprocating block, guide post, transmission belt, Saw blade guide post, saw blade sliding block, saw blade-holder, saw blade and pedestal;Mounting rack, the peace are installed between the opposite both sides of the frame It shelves and motor and belt pulley is installed, motor drives the power wheel on motor shaft, and power wheel makes pulley rotation by belt, The side outer rim of belt pulley and one end of connecting rod are hinged, and the other end and reciprocating block of connecting rod are hinged;The reciprocating block can led It is slided on column;Guiding pylon is mounted between frame and mounting rack for fixed guide column;The reciprocating block and transmission belt are solid Fixed, the transmission belt is limited by being mounted on four pulleys of lower portion, and the both ends of transmission belt are each attached on saw blade sliding block; The saw blade sliding block can slide on saw blade guide post, and the saw blade guide post setting is in frame both ends and opposite installation;The saw Saw blade-holder is installed on sliding block, saw blade-holder is connected to the both ends of saw blade;The transmission belt, saw blade sliding block, saw blade-holder, saw blade-shaped At the connection closed loop for capableing of mass motion, limited by frame and pulley;The frame is placed and secured on pedestal.
2. a kind of electric reciprocating saw according to claim 1, it is characterised in that:It is installed on one of pulley of frame There is belt tensioner, the tensioning apparatus includes transmission belt tensioning frame, shaft and hand the turn of the screw, the transmission belt tensioning frame U-shaped, the both ends of transmission belt tensioning frame are inserted between pulley and frame and are fixed by shaft, open on the frame at shaft both ends There is strip-shaped hole;The hand the turn of the screw is mounted on the top of transmission belt tensioning frame, and the end of hand the turn of the screw withstands on the outer surface of frame On.
3. a kind of electric reciprocating saw according to claim 1, it is characterised in that:The frame ends are provided with and frame slot phase Corresponding pin hole.
4. a kind of electric reciprocating saw according to claim 1, it is characterised in that:Workbench, institute are installed on the pedestal The sipes that saw blade can be passed through is provided on the workbench stated, the workbench is fixed by support rod.
5. a kind of electric reciprocating saw according to claim 1, it is characterised in that:Spring is installed on the saw blade guide post, The spring is arranged between saw blade sliding block and frame.
6. a kind of electric reciprocating saw according to claim 1, it is characterised in that:The belt pulley directly with motor shaft phase Even, belt pulley drives reciprocating block to move by connecting rod.
7. a kind of electric reciprocating saw according to claim 1, it is characterised in that:The pedestal is equipped with frame slot, described Pin hole is provided on frame slot;The pin hole can enable frame with frame with the through-hole of frame ends by shaft pin connection End turn an angle.
8. a kind of electric reciprocating saw according to claim 1, it is characterised in that:There are two flange bottoms for installation on the pedestal Seat, flange base are used for fixed frame guide post, are equipped with sliding block on the frame guide post, sliding block is fixed on frame, makes frame It horizontal can pump.
CN201810951707.9A 2018-08-21 2018-08-21 A kind of electric reciprocating saw Pending CN108856883A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201810951707.9A CN108856883A (en) 2018-08-21 2018-08-21 A kind of electric reciprocating saw
PCT/CN2019/098933 WO2020038211A1 (en) 2018-08-21 2019-08-01 Electric reciprocating saw
US17/169,476 US20210154756A1 (en) 2018-08-21 2021-02-07 Reciprocating saw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810951707.9A CN108856883A (en) 2018-08-21 2018-08-21 A kind of electric reciprocating saw

Publications (1)

Publication Number Publication Date
CN108856883A true CN108856883A (en) 2018-11-23

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ID=64321373

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810951707.9A Pending CN108856883A (en) 2018-08-21 2018-08-21 A kind of electric reciprocating saw

Country Status (1)

Country Link
CN (1) CN108856883A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020038211A1 (en) * 2018-08-21 2020-02-27 任广伟 Electric reciprocating saw
CN111941659A (en) * 2020-08-10 2020-11-17 重庆电子工程职业学院 Strip machine is cut out to rock wool board based on computer control
CN113305359A (en) * 2021-05-19 2021-08-27 李彦来 High-efficiency electric saw
CN114800703A (en) * 2022-05-25 2022-07-29 深圳市爱创科技教育有限公司 High-precision transverse garland saw

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GB517019A (en) * 1938-06-14 1940-01-18 Edward Cuthbert Lee Improvements appertaining to reciprocating saws such as are used for the production of ornamental fretwork
CH546618A (en) * 1972-03-20 1974-03-15 Boccadoro Ferdinando DIAMOND WIRE SAW.
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US4258763A (en) * 1978-11-20 1981-03-31 Fernando Figueredo Cutting device having a flexible cutting element
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020038211A1 (en) * 2018-08-21 2020-02-27 任广伟 Electric reciprocating saw
CN111941659A (en) * 2020-08-10 2020-11-17 重庆电子工程职业学院 Strip machine is cut out to rock wool board based on computer control
CN113305359A (en) * 2021-05-19 2021-08-27 李彦来 High-efficiency electric saw
CN114800703A (en) * 2022-05-25 2022-07-29 深圳市爱创科技教育有限公司 High-precision transverse garland saw

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