CN204604465U - A kind of dust suction bench saw elevating mechanism - Google Patents
A kind of dust suction bench saw elevating mechanism Download PDFInfo
- Publication number
- CN204604465U CN204604465U CN201520091836.7U CN201520091836U CN204604465U CN 204604465 U CN204604465 U CN 204604465U CN 201520091836 U CN201520091836 U CN 201520091836U CN 204604465 U CN204604465 U CN 204604465U
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- CN
- China
- Prior art keywords
- fixed head
- lifter plate
- elevating mechanism
- dust suction
- bench saw
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Abstract
The utility model provides a kind of dust suction bench saw elevating mechanism, it comprises screw rod, nut seat, top board, lifter plate and fixed head, lifter plate and top board are hinged on fixed head all rotationally, top board offers first and second chute, lifter plate is provided with the first bearing pin, and the first bearing pin is sliding to be fitted in the first chute; Nut seat is fixed on fixed head, and screw flight is engaged in described nut seat, and the head of screw rod is fixed with the second bearing pin, and the second bearing pin is sliding to be fitted in described second chute, and the afterbody of screw rod is provided with drive unit; One motor is vertically fixed on described lifter plate, and the output shaft of motor is connected with a saw blade with after the through hole of described fixed head through described lifter plate successively.The utility model dust suction bench saw elevating mechanism, simple to operate, can realize the fine setting of motor, precision is high; Screw rod is with auto-lock function simultaneously, and motor can be avoided to be shaken and move down, and safety coefficient is high; Be provided with multiple position-limit mechanism simultaneously, further increase overall stability and security.
Description
Technical field
The present invention relates to a kind of bench saw, particularly a kind of dust suction bench saw elevating mechanism.
Background technology
Bench saw is the cutting tool that carpenter often uses, for materials such as cutting panels of wood.The dust-free saw of band dust-absorbing function has commercially been engendered in recent years in order to solve a large amount of wood chips produced in wood cutting process, for existing dust-free saw, the following defect of ubiquity: saw blade cannot be elevated the pick-up performance when cutting the plank of different-thickness very big-difference, can only realize use extremely inconvenient by the saw blade changing different-diameter; Also have kind of a structure saw blade to carry out part lifting but be subject to structure influence, this kind of elevating mechanism operation inconvenience, and stability is low, very easily loosening in cutting vibrations process, saw blade is moved down suddenly, the plank cut is flown out, has a strong impact on the personal safety of operating personnel.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention overcomes above-mentioned defect, provides a kind of stability and safety coefficient dust suction bench saw elevating mechanism high and simple to operate.
(2) technical scheme
For solving the problems of the technologies described above, the invention provides a kind of dust suction bench saw elevating mechanism, it comprises screw rod 1, nut seat 2, top board 4, lifter plate 11 and fixed head 12, described lifter plate 11 and described top board 4 are hinged on described fixed head 12 all rotationally and pivot center is parallel, described top board 4 offers the first chute 401 and the second chute 402, described lifter plate 11 is provided with the first bearing pin, and described first bearing pin is sliding to be fitted in described first chute 401; Described nut seat 2 is fixed on described fixed head 12, and the axes normal of described nut seat 2 is in the pivot center of described top board 4, described screw rod 1 threaded engagement is in described nut seat 2, the head of described screw rod 1 is fixed with the second bearing pin, described second bearing pin is sliding to be fitted in described second chute 402, and the afterbody of described screw rod 1 is provided with the drive unit for driving described bolt rotary; One motor 21 is vertically fixed on described lifter plate 11, and the output shaft of described motor 21 is connected with a saw blade 22 with after the through hole of described fixed head 12 through described lifter plate 11 successively.
Further, described lifter plate 11 offers the deep-slotted chip breaker 1101 for rotary spacing, described fixed head 12 is provided with the alignment pin corresponding with described deep-slotted chip breaker 1101.
Further, described fixed head 12 is provided with pressing plate 9, and described pressing plate 9 is provided with limiting plate 901, has gap between described limiting plate 901 and described fixed head 12, described gap forms axial limiting chamber, and described limit chamber is positioned on the motion path of described lifter plate 11.
Further, described pressing plate 9 is arc.
Further, described lifter plate 11 is also fixed with bearing block 8, the output shaft of described motor 21 is connected with described saw blade through after described bearing block 8.
Further, also comprise a knife plate fixed head 18, described knife plate fixed head 18 is positioned at described fixed head 12 side, and described knife plate fixed head 18 is fixed on described bearing block 8.
Further, also comprise the positioning sleeve 5 that a thickness is identical with described lifter plate thickness, the hinge of described top board 4 is positioned on described positioning sleeve 5.
Further, the two ends, top of described fixed head 12 form rotation section to the same side bending, and described rotation section offers axis hole, and the line described in two between axis hole is perpendicular to the output shaft of described motor.
Further, described drive unit is crank or motor.
Further, described top board 4 is triangle.
(3) beneficial effect
Dust suction bench saw elevating mechanism of the present invention, by screw drive top panel turns, top board drives lifter plate to rotate again, thus makes the motor on lifter plate realize lifting, and by secondary transmission, stability is high; Simple to operate, can realize the fine setting of motor, precision is high; Screw rod is with auto-lock function simultaneously, and motor can be avoided to be shaken and move down, and safety coefficient is high; Be provided with multiple position-limit mechanism simultaneously, further increase overall stability and security.
Accompanying drawing explanation
Fig. 1 is the structural representation of dust suction bench saw elevating mechanism of the present invention;
Fig. 2 is the front view of dust suction bench saw elevating mechanism of the present invention;
Fig. 3 is the explosive view of dust suction bench saw elevating mechanism of the present invention;
Fig. 4 is the explosive view of dust suction bench saw dust collection mechanism;
Fig. 5 be dust suction bench saw elevating mechanism of the present invention and dust collection mechanism in conjunction with schematic diagram.
Detailed description of the invention
Consult Fig. 1 ~ Fig. 3, the invention provides a kind of dust suction bench saw elevating mechanism, it comprises screw rod 1, nut seat 2, top board 4, lifter plate 11 and fixed head 12, lifter plate 11 and leg-of-mutton top board 4 are hinged on fixed head 12 all rotationally and pivot center is parallel, offer the first chute 401 and the second chute 402 on the top plate 4, on lifter plate 11, be provided with the first bearing pin simultaneously, and this first bearing pin cunning fits in the first chute 401, namely, when lifter plate rotates around hinge, this first bearing pin is sliding to be fitted in the first chute; Nut seat 2 is fixed on fixed head 12, and the axes normal of nut seat 2 is in the pivot center of top board 4, screw rod 1 threaded engagement is in this nut seat 2, the second bearing pin is fixed with at the head of screw rod 1, and this second bearing pin cunning fits in the second chute 402, the afterbody of screw rod 1 is provided with the drive unit for drive screw turns, and in the present embodiment, this drive unit is crank 24 or motor; One motor 21 is vertically fixed on lifter plate 11, and the output shaft of motor 21 is connected with a saw blade 22 with after the through hole of fixed head 12 through lifter plate 11 successively; When needs regulate saw blade height, by rotating crank drive screw turns, screw rod is moved forward and backward, screw rod end and sliding the second bearing pin fitted in the second chute promotes top panel turns, the rotation of top board 4 makes lifter plate rotate by the first bearing pin and the first chute again, drive the motor on lifter plate to move up and down, thus complete the lifting of saw blade; Regulate lifting by screw rod, precision is high, modification stability, and has auto-lock function; Can avoid being shaken and coming off, substantially increase security; In order to control the rotational travel of lifter plate, lifter plate 11 offering the deep-slotted chip breaker 1101 for rotary spacing, on fixed head 12, being provided with alignment pin that is corresponding with deep-slotted chip breaker 1101 and that be set in this deep-slotted chip breaker 1101 simultaneously; In order to avoid lifter plate axial wobble, fixed head 12 is provided with the pressing plate 9 of arc, this pressing plate 9 is provided with limiting plate 901, gap is had between limiting plate 901 and fixed head 12, this gap is identical with the thickness of lifter plate, and this gap forms axial limiting chamber, and limit chamber is positioned on the motion path of lifter plate 11; For the ease of installing knife plate, and improve safety in utilization, lifter plate 11 is also fixed with bearing block 8, the end of this bearing block 8 passes the through hole of lifter plate and fixed head successively, and the output shaft of motor 21 is connected with saw blade through after bearing block 8; One knife plate fixed head 18 is positioned at fixed head 12 side, and this knife plate fixed head 18 is fixed on bearing block 8, and this knife plate fixed head is fixed with knife plate 19; In order to improve compactedness and stability, also include the positioning sleeve 5 that a thickness is identical with lifter plate thickness in the present embodiment, the hinge of top board 4 is positioned on this positioning sleeve 5; In order to be convenient to the gradient regulating saw blade, the two ends, top of the fixed head 12 in the present embodiment form rotation section to the same side bending, and rotation section offers axis hole, and the line between two axis holes is perpendicular to the output shaft of motor.
Dust suction bench saw elevating mechanism of the present invention, by screw drive top panel turns, top board drives lifter plate to rotate again, thus makes the motor on lifter plate realize lifting, and by secondary transmission, stability is high; Simple to operate, can realize the fine setting of motor, precision is high; Screw rod is with auto-lock function simultaneously, and motor can be avoided to be shaken and move down, and safety coefficient is high; Be provided with multiple position-limit mechanism simultaneously, further increase overall stability and security.
Owing to there will be space when lifter plate moves up and down and between fixed head, therefore additionally provide a kind of dust absorbing structure, this dust absorbing structure can prevent extraneous air from entering protective cover chamber, and its concrete structure is as follows, consults Fig. 4:
It comprises above-mentioned fixed head 12, fixed head 12 left pivot movement be hinged with above-mentioned lifter plate 11, protective cover 17 is fixed with on the right side of fixed head 12, lifter plate 11 is fixed with bearing block 8, and the end of this bearing block 8 is successively through extending in protective cover 17 after the through hole on lifter plate 11, fixed head 12 and protective cover 17; The top of protective cover 17 offers the saw kerf holding saw blade and pass, and its entirety is body structure, offers the venthole 1701 be connected with blower fan at the sidewall of protective cover 17, and when blower fan works, air enters from saw kerf and discharges from venthole, thus takes away dust; Deep bead is provided with between protective cover 17 and fixed head 12, this deep bead can cover protective cover 17 and the through hole on fixed head 12 simultaneously, this deep bead to be set on bearing block 8 and can to move with bearing block 8, no matter namely how lifter plate moves, this deep bead can block the through hole on dust cover, avoids producing space between protective cover and affects pick-up performance; In order to improve dust collection efficiency further, arc convex 1501 is provided with on the surface of deep bead, this arc convex is towards protective cover 17 side and through the through hole on protective cover 17, this arc convex offers arc groove, this arc groove is towards fixed head 12, fixed head 12 is provided with the straight pin 13 corresponding with arc groove, straight pin 13 is provided with roll sleeve 14, and roll sleeve 14 is set in arc groove; And protective cover 17 comprises the left cover body and right cover body that are bolted, offer venthole 1701 at left faceshield side wall and hold the through hole that passes of bearing block 8, this through hole can hold bearing block and move up and down; By thickness, identical and the first baffle plate 151 that is that mutually fasten and second baffle 152 are formed deep bead in the present embodiment, and form the circular hole just holding bearing block 8 and pass between this first baffle plate 151 and second baffle 152, namely Circularhole diameter is identical with the external diameter of bearing block; For the ease of assembling and improving stability, the first baffle plate 151, second baffle 152 are fastened by the little draw-in groove of the large root in end and buckle, and this draw-in groove and buckle can be swallow-tail form or Ω shape.
This dust suction bench saw dust collection mechanism, arranges protective cover, during work, and fan operation, wind enters from the saw kerf at protective cover top, then discharges from the venthole of protective cover sidewall, thus the dust produced when taking away work, efficiency of dust collection is high, substantially increases working environment; Coordinate the deep bead be made up of two pieces of baffle plates again, ensure sealing during saw blade lifting, prevent air from entering protective cover chamber from through hole, improve dust removing effects, realize dustless cutting.
Below simple elaboration is done to this elevating mechanism and dust collection mechanism principle, consults Fig. 1 to Fig. 5:
Driving lifting screw 1 to rotate by rotating crank, relying on the second bearing pin interlock lifting top board 4 to push the first bearing pin, thus drive lifter plate 11 to rotate around the hinge that is fixed on fixed head 12 thus realize saw blade to move up and down.
Saw blade is contained on the main shaft of electric machine assembly bearing block 8, and bearing block 8, through the circular hole of lifter plate 11, is connected and fixed lifter plate 11 and electric machine assembly with screw.
Lifter plate 11 upper punch has long arc shape groove, by alignment pin to saw blade move up and down carry out spacing.
Bearing block 8 is equipped with knife plate fixed head 18, fixes knife plate 19 with pressing plate on an opposite end, the servo-actuated lifting of knife plate 19 when electric machine assembly moves up and down with lifter plate 11, realize and saw blade synchronization lifting.
When lifter plate moves up and down and between fixed head, there will be space, dust collection mechanism is exactly to address this problem, and prevents extraneous air from entering interior protective cover chamber.
In the middle of fixed head 12 with protective cover left 17, the deep bead be made up of the first baffle plate and second baffle is housed, the Wind guard that the first baffle plate and second baffle are formed is enclosed within bearing block 8; Have arc groove in the first baffle plate upper punch, fixed head 12 to be equipped with on fixing straight pin 13 cover have can be movable roll sleeve 14, protective cover also plays the effect of restraint deep bead left and right play.
When lifter plate 11 moves up and down, bearing block 8 moves thereupon, acted on mutually by the roll sleeve on fixed head and the arc groove on deep bead drives deep bead to rotate thereupon, thus the air blocking outside enters protective cover chamber, when dust catcher works, only has saw kerf place, protective cover top air intake, wood chip when siphoning away saw blade cutting thus reach and really realize dustless cutting.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a dust suction bench saw elevating mechanism, it is characterized in that: comprise screw rod (1), nut seat (2), top board (4), lifter plate (11) and fixed head (12), described lifter plate (11) and described top board (4) are hinged on that described fixed head (12) is upper all rotationally and pivot center is parallel, described top board (4) offers the first chute (401) and the second chute (402), described lifter plate (11) is provided with the first bearing pin, and described first bearing pin is sliding to be fitted in described first chute (401); Described nut seat (2) is fixed on described fixed head (12), and the axes normal of described nut seat (2) is in the pivot center of described top board (4), described screw rod (1) threaded engagement is in described nut seat (2), the head of described screw rod (1) is fixed with the second bearing pin, described second bearing pin is sliding to be fitted in described second chute (402), and the afterbody of described screw rod (1) is provided with the drive unit for driving described bolt rotary; One motor (21) is vertically fixed on described lifter plate (11), and the output shaft of described motor (21) is connected with a saw blade (22) with after the through hole of described fixed head (12) through described lifter plate (11) successively.
2. dust suction bench saw elevating mechanism as claimed in claim 1, it is characterized in that: described lifter plate (11) offers the deep-slotted chip breaker (1101) for rotary spacing, described fixed head (12) is provided with the alignment pin corresponding with described deep-slotted chip breaker (1101).
3. dust suction bench saw elevating mechanism as claimed in claim 1, it is characterized in that: described fixed head (12) is provided with pressing plate (9), described pressing plate (9) is provided with limiting plate (901), gap is had between described limiting plate (901) and described fixed head (12), described gap forms axial limiting chamber, and described limit chamber is positioned on the motion path of described lifter plate (11).
4. dust suction bench saw elevating mechanism as claimed in claim 3, is characterized in that: described pressing plate (9) is arc.
5. dust suction bench saw elevating mechanism as claimed in claim 1, it is characterized in that: described lifter plate (11) is also fixed with bearing block (8), the output shaft of described motor (21) is connected with described saw blade afterwards through described bearing block (8).
6. dust suction bench saw elevating mechanism as claimed in claim 5, it is characterized in that: also comprise a knife plate fixed head (18), described knife plate fixed head (18) is positioned at described fixed head (12) side, and described knife plate fixed head (18) is fixed on described bearing block (8).
7. dust suction bench saw elevating mechanism as claimed in claim 1, it is characterized in that: also comprise the positioning sleeve (5) that a thickness is identical with described lifter plate thickness, the hinge of described top board (4) is positioned on described positioning sleeve (5).
8. dust suction bench saw elevating mechanism as claimed in claim 1, it is characterized in that: the two ends, top of described fixed head (12) form rotation section to the same side bending, described rotation section offers axis hole, and the line described in two between axis hole is perpendicular to the output shaft of described motor.
9. dust suction bench saw elevating mechanism as claimed in claim 1, is characterized in that: described drive unit is crank or motor.
10. the dust suction bench saw elevating mechanism as described in any one of claim 1 to 9, is characterized in that: described top board (4) is triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520091836.7U CN204604465U (en) | 2015-02-10 | 2015-02-10 | A kind of dust suction bench saw elevating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520091836.7U CN204604465U (en) | 2015-02-10 | 2015-02-10 | A kind of dust suction bench saw elevating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204604465U true CN204604465U (en) | 2015-09-02 |
Family
ID=53957046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520091836.7U Expired - Fee Related CN204604465U (en) | 2015-02-10 | 2015-02-10 | A kind of dust suction bench saw elevating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204604465U (en) |
-
2015
- 2015-02-10 CN CN201520091836.7U patent/CN204604465U/en not_active Expired - Fee Related
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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: 20150902 Termination date: 20190210 |