CN113787573B

CN113787573B - High-safety electric planer

Info

Publication number: CN113787573B
Application number: CN202111043939.2A
Authority: CN
Inventors: 阮居丽; 蒋王剑
Original assignee: ZHEJIANG BODA INDUSTRIAL CO LTD
Current assignee: ZHEJIANG BODA INDUSTRIAL CO LTD
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-12-16
Anticipated expiration: 2041-09-07
Also published as: CN113787573A

Abstract

The invention discloses a high-safety electric planer which comprises a machine shell, a planer tool, a fan and an air channel, wherein a plurality of detection rods used for detecting iron materials on a workpiece are arranged at the bottom of the machine shell, the detection rods are connected with mark rods through connecting plates, first springs are arranged on the mark rods, and the first springs are respectively abutted against the connecting plates and the machine shell; the invention provides a high-safety electric planer, which is characterized in that sliding blocks are symmetrically arranged on two sides of a planer tool, a locking device matched with the sliding blocks is arranged on a machine shell and used for locking the sliding blocks, a contact module matched with a connecting plate is arranged on the machine shell, and the contact module is connected with the locking device and used for triggering an electromagnet on the locking device.

Description

High-safety electric planer

Technical Field

The invention relates to the technical field of electric planers, in particular to a high-safety electric planer.

Background

The electric planer is an electric tool for processing wood, is a hand-held electric tool for planing operation by driving a planer tool through a transmission belt by a single-phase series motor, and has the characteristics of high production efficiency, flat and smooth planing surface and the like. The existing electric planer is usually used by being held by hand in the using process, materials required to be processed are various, and people gradually apply the electric planer to household life and production. However, in many processing materials, it is usually necessary to process some wood boards and wood strips detached from old houses, etc., because such wood boards are used, iron nails and iron sheets remain in the wood boards, and the electric planer cannot be distinguished by naked eyes in the planing process, when the planer tool contacts with such residual iron nails or iron sheets during the machining of the electric planer, the planer tool is damaged, and the broken tool is splashed seriously, which causes industrial accidents.

Disclosure of Invention

The invention provides a high-safety electric planer aiming at the defects in the prior art.

In order to solve the technical problems, the invention is solved by the following technical scheme: a high-safety electric planer is composed of casing, planer tool, fan and air channel.

In the above scheme, preferably, the bottom of the casing is provided with a plurality of detection rods for detecting iron materials on the workpiece, the detection rods are connected with the marking rods through the connecting plate, the marking rods are provided with first springs, and the first springs respectively abut against the connecting plate and the casing; planer tool bilateral symmetry is equipped with the slider, be equipped with on the casing and be used for locking the slider with slider matched with locking device, be equipped with on the casing with connecting plate matched with contact module, contact module links to each other with locking device and is used for triggering the electro-magnet on the locking device, and its beneficial effect lies in: the utility model provides a detection device to iron metal in the work piece makes the electric planer can unblock planer tool after detecting iron metal.

In the above-mentioned scheme, it is preferred, the contact module includes first contact piece and second contact piece, the connecting plate top is located to first contact piece and second contact piece, first contact piece and second contact piece pass through the cable and link to each other with the electro-magnet, and its beneficial effect lies in: an electrifying loop of the electromagnet is provided, so that the connection plate can control the electrification and the disconnection of the electrifying loop.

In the above scheme, it is preferred, locking device including locate on the casing the electro-magnet and with electro-magnet matched with magnetism the piece of inhaling, be equipped with the locking piece on the magnetism the piece, the locking piece is equipped with first elongated slot, be equipped with on the locking piece with the first inclined plane of slider matched with, be equipped with the slide bar on the magnetism the piece, be equipped with the second spring between magnetism the piece and the casing, its beneficial effect lies in: a matching mode of the locking block and the sliding block is provided, so that the locking block can lock or unlock the sliding block.

In the above scheme, it is preferred, be equipped with the main shaft on the planer tool, the main shaft both sides are located to the slider, the main shaft wear to establish behind the slider with first elongated slot cooperate, be equipped with on the slider with first inclined plane matched with second inclined plane, its beneficial effect lies in: a specific structure of a slider is provided, so that the slider can slide longitudinally on a machine shell without deviation.

In the above scheme, it is preferred, the slider both sides are equipped with the slip boss, be equipped with on the casing with slip boss matched with guide rail, its beneficial effect lies in: a positioning structure of a slider on a chassis is provided.

In the above scheme, it is preferred, be equipped with on the casing and change the board with wind channel matched with, it rotates through the pivot and locates on the casing to change the board, be equipped with first connecting rod in the pivot, first connecting rod one end links to each other with the pivot, and the other end is equipped with the commentaries on classics round pin, is close to be equipped with on the locking piece of commentaries on classics board one side and changes round pin matched with second connecting rod, be equipped with on the second connecting rod and change round pin matched with second cell body, its beneficial effect lies in: a locking block driven rotating plate is provided to allow for rotatable engagement between the rotating plate and the air duct.

In the above-mentioned scheme, it is preferred, be equipped with the movable plate that matches with the wind channel on the commentaries on classics board, the stay cord has set firmly on the movable plate, the stay cord is worn to establish and is linked to each other with the slider after the commentaries on classics board, and its beneficial effect lies in: a movable plate driven by wind energy is provided, and the movable plate can lift the sliding block after the sliding block is unlocked by the wind energy.

Among the above-mentioned scheme, preferred, the casing both sides are equipped with the baffle with stay cord matched with, be equipped with the sleeve pipe between baffle and commentaries on classics board, its beneficial effect lies in: a positioning sleeve for a pull rope is provided, so that the pull rope does not change the distance of the pull rope along with the rotation of a rotating plate when the rotating plate rotates.

The beneficial effects of the invention are: the invention provides a high-safety electric planer, which greatly prolongs the service life of a planer tool, improves the safety of the planer tool in the using process and improves the processing efficiency.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

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

FIG. 3 is a partial cross-sectional structural view of the present invention.

FIG. 4 is a schematic cross-sectional view of the present invention.

Fig. 5 is a schematic view of a partial explosion structure according to the present invention.

FIG. 6 is a schematic view of a slider structure according to the present invention.

FIG. 7 is a schematic view of the internal structure of the present invention.

FIG. 8 is a schematic view of the structure of the detection rod of the present invention.

Fig. 9 is a schematic structural diagram of embodiment 2 of the present invention.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings: see fig. 1-9.

Example 1: the utility model provides a high security electric planer, includes casing 1, planer tool 2, fan 3, wind channel 4 and handle 5, planer tool 2 and fan 3 all pass through motor drive, fan 3 is used for blowing out the saw-dust of planer tool 2 planing outside casing 1 through wind channel 4, and this is prior art.

Planer tool 2 is located on main shaft 8, planer tool 2 is worn to establish by main shaft 8 and is linked to each other through slider 6 between 1 with the casing after planer tool 2, slider 6 is located 8 both sides of main shaft, 8 one end of main shaft links to each other with the motor through the drive belt, be equipped with in the slider 6 with main shaft 8 matched with bearing, slider 6 longitudinal sliding locates on the casing 1 outer wall, slider 6 bilateral symmetry is equipped with slip boss 28, be equipped with on the casing 1 outer wall with slip boss 28 matched with guide rail 29, guide rail 29 is L type guide rail, slip boss 28 card establish with the right angle inslot of L type guide rail, L type guide rail vertically sets firmly on casing 1 outer wall, namely slider 6 can drive main shaft 8 longitudinal sliding on casing 1.

Be equipped with second inclined plane 27 on the slider 6, second inclined plane 27 is from hindering and keeps away from planer tool 2 lopsidedness downwards, be equipped with on the casing 1 with slider 6 matched with locking block 22, locking block 22 top has set firmly magnetism piece 21, locking block 22 slides through slide bar 25 and locates on the casing 1 lateral wall, slide bar 25 is the hexagonal pole, be equipped with on the casing 1 lateral wall with hexagonal pole matched with hexagonal hole, locking block 22 slides on the casing 1 only through slide bar 25 promptly, and can not rotate around slide bar 25, the hexagonal hole outer lane is equipped with the electro-magnet 7 with magnetism piece 21 matched with promptly, and locking block 22 can be adsorbed by electro-magnet 7 through magnetism piece 21 promptly, the cover is equipped with second spring 26 on the slide bar 25, the faying face of casing 1 lateral wall and magnetism piece 21 and locking block 22 is leaned on respectively in second spring 26 both ends.

The locking block 22 is provided with a first inclined surface 24 matched with the second inclined surface 27, the first inclined surface 24 inclines from top to bottom to the side close to the planer tool 2, the locking block 22 is provided with a first long groove 23 matched with the spindle 8, namely the spindle 8 penetrates through the sliding block 6 and the shaft end is arranged in the first long groove 23, when the electromagnet 7 adsorbs the magnetic absorption block 21, the first inclined surface 24 is completely attached to the second inclined surface 27, the spindle 8 is positioned at the lowest end of the first long groove 23, when the electromagnet 7 is powered off, the second spring 26 pushes the locking block 22 open, a certain gap is formed between the first inclined surface 24 and the second inclined surface 27, and at the moment, the sliding block 6 can drive the spindle 8 to slide upwards by a distance until the second inclined surface 27 is pushed against the first inclined surface 24 under the action of external force.

The detection device is characterized in that a detection device which is matched with the electromagnet 7 and can control the electromagnet 7 to be powered on and powered off is arranged on one side, close to the planer tool 2, of the bottom of the casing 1, a plurality of groups are axially arranged along the spindle 8, the detection device comprises a detection rod 11, a strong magnetic block is arranged at the lower end of the detection rod 11, the upper end of the detection rod 11 is connected with a mark rod 13 through a connecting plate 12, the mark rod 13 is longitudinally and downwards arranged, a sliding hole which is matched with the detection rod 11 and the mark rod 13 is formed in the bottom of the casing 1, the sliding hole is formed in a plastic plate 102, the plastic plate 102 is embedded in the casing 1, a first spring 14 is sleeved on the mark rod 13, two ends of the first spring 14 respectively abut against the inner bottom surface of the casing 1 and a connecting surface between the connecting plate 12 and the mark rod 13, one end of the mark rod 13 is fixedly arranged on the connecting plate 12, an apex 101 is arranged at the downward end of the other end, and the apex 101 is located in the bottom end surface of the casing 1 when the detection rod 11 does not sense an iron nail or an iron plate.

The upper end face of the connecting plate 12 is provided with a conductive thin plate, a plurality of groups of contact modules matched with the conductive thin plate are arranged on the bottom face of the machine shell 1, each contact module comprises a first contact piece 15 and a second contact piece 16, the first contact pieces 15 and the second contact pieces 16 are arranged above the conductive thin plate, and the first contact pieces 15 and the second contact pieces 16 are in contact with the conductive thin plate when the detection rod 11 does not work.

The two adjacent groups of contact modules are connected in series through cables, namely, the first contact piece 15 is connected with the second contact piece 16 of the connected contact module, the first contact piece 15 at the outermost side and the second contact piece 16 at the outermost side are connected with the electromagnet 7 through cables, namely, the contact modules are connected in series and then connected with the electromagnet 7, and when the first contact piece 15 and the second contact piece 16 of any contact module are not in contact with the conductive thin plate on the connecting plate 12, the electromagnet 7 is in a power-off state.

The air outlet 103 communicated with the air duct 4 is arranged on the outer wall of one side of the machine shell 1, the rotating plate 31 matched with the air outlet 103 is arranged on the outer wall of the machine shell 1, the rotating plate 31 is arranged on one side of the air outlet 103 through a rotating shaft 32, a first connecting rod 33 is arranged in the middle of the rotating shaft 32, one end of the first connecting rod 33 is fixedly arranged on the rotating shaft 32, a rotating pin 34 is longitudinally arranged at the other end of the first connecting rod after extending towards one side away from the air outlet 103, an installation rod 104 is arranged on a locking block 22 close to one side of the air outlet 103, the installation rod 104 is vertically extended towards the outer wall of the machine shell 1 and provided with a second connecting rod 35, the second connecting rod 35 is connected with the rotating pin 34 through a second groove body 36, the rotating pin 34 is arranged in the second groove body 36, the second groove body 36 is arranged at the end part of the second connecting rod 35, the second groove body 36 is a circular arc long groove, the circular arc center connecting line at the two ends of the two ends is parallel to the outer side wall of the machine shell 1, the circular arc diameter is matched with the rotating pin 34, namely, when the locking block 22 slides along the sliding rod 25, the second connecting rod 35 makes the second connecting rod 36 pull the rotating pin 34 rotate around the rotating shaft 32, namely, the rotating plate 31 rotates around the rotating plate.

The rotating plate 31 is provided with a through hole, the end face of the rotating plate 31, which is far away from the air outlet 103, is provided with a movable plate 41 in a sliding manner, a pull rope 42 is fixedly arranged on the movable plate 41, one end of the pull rope 42 is fixed on the movable plate 41, the other end of the pull rope penetrates through the rotating plate 31 and then is connected with the sliding blocks 6 on two sides, the pull rope 42 is divided into a left pull rope and a right pull rope, the two pull ropes are identical except for different lengths, the outer walls on two sides of the casing 1 are provided with guide plates 43 for the pull rope 42 to penetrate through, namely, the pull rope 42 penetrates through the guide plates 43 and then is connected with the sliding blocks 6.

A sleeve 44 is disposed between the guide plate 43 and the rotating plate 31, the sleeve 44 is sleeved outside the pull rope 42, and two ends of the sleeve 44 are respectively fixedly connected with the guide plate 43 and the rotating plate 31, the sleeve 44 is a hose, the sleeve 44 is respectively a left sleeve and a right sleeve, and the rest arrangement and installation modes are the same except for different lengths, so that redundant description is omitted.

The method of using a high safety electric planer as described above: when the planer is used, when an iron nail or iron plate is arranged on a wood board, the strong magnet on the detection rod 11 induces the iron nail or iron plate to vertically slide downwards to drive the marking rod 13 to slide downwards, so that the tip 101 on the marking rod 13 marks a marking point on the wood board near the iron nail, meanwhile, the conductive thin plate on the connecting plate 12 is separated from the contact with the first contact piece 15 and the second contact piece 16, the power-on circuit of the electromagnet 7 is disconnected, namely, the electromagnet 7 is powered off, the locking block 22 slides towards the side far away from the electromagnet 7 under the action of the second spring 26, the first inclined surface 24 is separated from the contact with the second inclined surface 27, a gap is formed between the two inclined surfaces, the locking block 22 close to the air outlet 103 simultaneously drives the second connecting rod 35 to slide when sliding, the second connecting rod 35 slides to enable the second groove 36 to pull the rotating pin 34 to rotate, namely, the rotating plate 31 rotates around the rotating shaft 32 anticlockwise, so that the rotating plate 31 is attached to the air outlet 103, at the moment, the wind power blowing plate 41 of the air outlet 103 is pulled up, the pulling up the sliding plate 41 is pulled up to pull the sliding block 6 and the iron plate 3 to simultaneously to avoid the lifting of the planer knife 3 and the planer knife 3.

Example 2: the difference between the embodiment and embodiment 1 is that an air bag 201 is arranged below the connecting plate 12, the air bag 201 is connected with a marking rod 13 through a hose 202, a through hole 203 communicated with the hose 202 is formed in the marking rod 13, a marking liquid is arranged in the air bag 201, the marking liquid is a dark liquid visible to human eyes, when the detecting rod 11 detects an iron nail or an iron plate and slides downwards, the connecting plate 12 compresses the air bag 201, the liquid in the air bag 201 is extruded into the through hole 203, and then the liquid is dripped onto a wood board through an apex 101.

The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a high security electric planer, includes casing (1), planer tool (2), fan (3), wind channel (4) and handle (5), its characterized in that: the detection device is characterized in that a plurality of detection rods (11) used for detecting iron materials on a workpiece are arranged at the bottom of the machine shell (1), the detection rods (11) are connected with mark rods (13) through connecting plates (12), first springs (14) are arranged on the mark rods (13), and the first springs (14) respectively abut against the connecting plates (12) and the machine shell (1);

the planing tool is characterized in that sliding blocks (6) are symmetrically arranged on two sides of the planing tool (2), a locking device matched with the sliding blocks (6) is arranged on the machine shell (1) and used for locking the sliding blocks, a contact module matched with the connecting plate (12) is arranged on the machine shell (1), and the contact module is connected with the locking device and used for triggering an electromagnet (7) on the locking device;

the contact module comprises a first contact piece (15) and a second contact piece (16), the first contact piece (15) and the second contact piece (16) are arranged above the connecting plate (12), and the first contact piece (15) and the second contact piece (16) are connected with the electromagnet (7) through cables;

the locking device comprises an electromagnet (7) arranged on the casing (1) and a magnetic suction block (21) matched with the electromagnet (7), wherein a locking block (22) is arranged on the magnetic suction block (21), the locking block (22) is provided with a first long groove (23), a first inclined surface (24) matched with the sliding block (6) is arranged on the locking block (22), a sliding rod (25) is arranged on the magnetic suction block (21), and a second spring (26) is arranged between the magnetic suction block (21) and the casing (1).

2. The electric planer of claim 1, wherein: be equipped with main shaft (8) on planer tool (2), main shaft (8) both sides are located in slider (6), cooperate with first elongated slot (23) behind slider (6) is worn to establish in main shaft (8), be equipped with on slider (6) with first inclined plane (24) matched with second inclined plane (27).

3. A high safety electric planer according to claim 2 wherein: the sliding block (6) is provided with sliding bosses (28) on two sides, and the casing (1) is provided with guide rails (29) matched with the sliding bosses (28).

4. A high safety electric planer according to claim 3 wherein: be equipped with on casing (1) and wind channel (4) matched with commentaries on classics board (31), it locates on casing (1) to rotate through pivot (32) board (31), be equipped with first connecting rod (33) on pivot (32), first connecting rod (33) one end links to each other with pivot (32), and the other end is equipped with commentaries on classics round pin (34), is close to be equipped with on commentaries on classics board (31) one side locking piece (22) and changes round pin (34) matched with second connecting rod (35), be equipped with on second connecting rod (35) and change round pin (34) matched with second cell body (36).

5. The electric planer of claim 4, wherein: the air duct is characterized in that a movable plate (41) matched with the air duct (4) is arranged on the rotating plate (31), a pull rope (42) is fixedly arranged on the movable plate (41), and the pull rope (42) is connected with the sliding block (6) after penetrating through the rotating plate (31).

6. The electric planer of claim 5, wherein: guide plates (43) matched with the pull ropes (42) are arranged on two sides of the machine shell (1), and sleeves (44) are arranged between the guide plates (43) and the rotating plate (31).