CN212432161U - Precision self-locking guiding rule for wood processing - Google Patents
Precision self-locking guiding rule for wood processing Download PDFInfo
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- CN212432161U CN212432161U CN202021894895.5U CN202021894895U CN212432161U CN 212432161 U CN212432161 U CN 212432161U CN 202021894895 U CN202021894895 U CN 202021894895U CN 212432161 U CN212432161 U CN 212432161U
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- 239000002023 wood Substances 0.000 title claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 238000013016 damping Methods 0.000 claims description 14
- 210000001847 jaw Anatomy 0.000 claims description 14
- 230000001360 synchronised effect Effects 0.000 claims description 14
- 210000000078 claw Anatomy 0.000 claims description 12
- 210000003781 tooth socket Anatomy 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims 2
- 239000002699 waste material Substances 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 description 8
- 230000006378 damage Effects 0.000 description 8
- 208000014674 injury Diseases 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000001915 proofreading effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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Abstract
A precise self-locking guiding rule for wood processing relates to the field of wood processing. When solving current guiding ruler when using, hand wheel and structure receive the restriction of chi can not be too big, hard to the chi, and the error ratio is great, leads to the waste of timber resources to when wood processing, produce a large amount of saw-dusts, fall into the rack of guiding ruler, be difficult to the clearance, lead to the problem that life is shorter. The polished rod and No. two stay cords cooperation transmissions, the backup plate returns chi part adopts clockwork spring gyro wheel unit and a stay cord cooperation to return chi, high reliability and high reliability, and the operation is simple, utilize the ratchet braking, be equipped with three ratchet on the transmission shaft in proper order, No. two ratchet and a ratchet braking opposite direction, when No. two handles anticlockwise rotation, No. two ratchet drive synchronizing bar fine motion, peel off the pawl on a ratchet, realize the unblock, the backup plate is pulled back by a stay cord of clockwork spring gyro wheel unit connection this moment, the tooth pitch of a ratchet is 2mm, the precision of improving device, it is easy to the chi, avoid timber resources extravagant. The utility model is suitable for a wood working field.
Description
Technical Field
The utility model relates to a wood working field, concretely relates to accurate auto-lock guiding ruler of wood working.
Background
At present, the well-known running rule structure is a hand-operated wheel rack running rule. In the use process, the hand wheel and the structure are limited by the ruler and cannot be overlarge, so that the ruler is labor-consuming and difficult to be accurate; when the jackscrew is screwed down, the finished size is changed; in wood processing, the tolerance of +2 to-3 mm has to be allowed, and a large amount of wood resources are wasted; and because wood working environment dust is big, the rack and pinion needs often to be cleared up, wastes time and energy.
In conclusion, when the conventional running rule is used, the hand wheel and the structure are limited by the rule and cannot be too large, the rule is laborious, the error ratio is large, wood resources are wasted, a large amount of sawdust is generated during wood processing and falls into the rack of the running rule, the sawdust is difficult to clean, and the service life is short.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve current guiding ruler when using, hand wheel and structure receive the restriction of chi can not be too big, hard to the chi, and the error ratio is great, leads to the waste of timber resources to add man-hour at timber, produce a large amount of saw-dusts, fall into the rack of guiding ruler, be difficult to the clearance, lead to the shorter problem of life, and provide a precision auto-lock guiding ruler of wood working.
The utility model discloses a precision self-locking guiding rule for wood processing, which comprises a tooth-shifting type fixed guiding rule disc, a self-locking type free guiding rule unit, a rule, a fine adjustment rod, a backing plate, a roller, an automatic zero-returning unit, a spring roller unit, a shell, a connecting rod, a clamping jaw unit, a bottom plate, a polish rod, a supporting plate, a supporting rod, a first pull rope, a supporting seat and a second pull rope;
the upper part of one side surface of the shell is provided with a through hole, one end of a light bar penetrates through the through hole on the shell and is fixedly connected with the side surface of the automatic zero returning unit, a tooth-shifting type fixed ruler adjusting disc is arranged on one side surface of the shell, the other end of the light bar is fixedly connected with the center of the side surface of the backup plate, a support plate is arranged in the middle of the upper surface of the backup plate, a ruler is arranged on the support plate, a support rod is arranged on the upper part of the other side surface of the shell, a pointer is arranged on the support rod, fine adjusting rods are respectively arranged at two ends of the side surface of the backup plate, one end of the self-locking type free ruler adjusting unit is arranged in the shell, a clamping jaw unit is arranged at one side of the bottom end in the shell and is contacted with one end of the self-locking type free ruler adjusting unit, a vertical section of the connecting rod is provided, the automatic zero-returning unit is connected with one end of the self-locking free rule-adjusting unit through a second pull rope, the self-locking free rule-adjusting unit is rotatably connected with the top end of the supporting seat, the bottom end of the supporting seat is connected with the bottom plate, and one end of the backup plate is provided with a roller;
furthermore, the poking tooth type fixed ruler disc comprises a positioning bolt, a support ring, a semi-toothed disc, a first bearing, a first handle, an operating lever and a screw rod;
the end face of the support ring is fixedly connected with one side face of the shell, one end of the semi-ring is fixedly connected with one side face of the shell, the support ring and the semi-ring are coaxially arranged, a semi-circular plate and a semi-toothed disc are sequentially arranged on the light bar from left to right, a first bearing is arranged between the inner wall of a through hole of the semi-toothed disc and the outer surface of the light bar, one end of the semi-circular plate is fixedly connected with one end of the control lever, the other end of the control lever is provided with a handle, the side face of the semi-circular plate is fixedly connected with the end face of the semi-toothed disc through a pin, a gap is arranged between the end faces of the semi-circular plate and the semi-toothed disc, the other end of the semi-ring is provided with a positioning bolt, the bottom of the positioning bolt penetrates through the square through hole on the outer surface of the support ring, different measuring range values are marked beside each circular bulge;
furthermore, the positioning bolt comprises a positioning bolt shell, a sleeve, a first spring, a piston rod, a bearing seat, a jackscrew and a roller;
the sleeve is in a cylindrical shape with an opening at the upper end and a closed end at the lower end, the sleeve is arranged at the top end inside the positioning bolt shell, the piston rod is arranged inside the sleeve, the bottom end of the piston rod penetrates through the bottom of the sleeve to be connected with the top end of the bearing seat, a first spring is arranged between the top end of the piston rod and the top end inside the sleeve, the roller is arranged at the bottom end of the bearing seat and is rotatably connected with the bottom of the bearing seat, a cylindrical bulge is arranged outside the positioning bolt shell and is communicated with the positioning bolt shell, and a jackscrew is arranged inside the;
furthermore, the connecting rod comprises a C-shaped bent pipe and a straight pipe, the bottom end face of the C-shaped bent pipe is fixedly connected with one end of the straight pipe, and the arc bottom of the semicircular plate at one end of the operating lever is contacted with the top of the C-shaped bent pipe of the connecting rod;
furthermore, the self-locking free length adjusting unit comprises a first ratchet wheel, a second handle, a handle box, a second ratchet wheel, a second bearing, a sleeve, a synchronizing rod, a transmission shaft, a third ratchet wheel and a third bearing;
the transmission shaft is sequentially divided into a first shaft section, a second shaft section, a third shaft section and a fourth shaft section from left to right, the outer surfaces of two ends of the transmission shaft are provided with threads, one end of the transmission shaft sequentially penetrates through the sleeve, the handle box and the first ratchet wheel to be connected with the nut in a threaded manner, the outer surface of the sleeve is provided with a cylindrical boss, the outer surface of the boss is provided with a notch, a second bearing is arranged between the inner part of the sleeve and the outer surface of the transmission shaft, the sleeve, the handle box and the first ratchet wheel are all arranged on the first shaft section, the sleeve is provided with a second ratchet wheel, the end surface of the second ratchet wheel is provided with a notch, the outer side surface of the handle box is provided with a pawl, the pawl is contacted with the end surface tooth socket of the second ratchet wheel, a second handle is arranged on the outer surface of the handle box, the other end of the transmission shaft sequentially penetrates through the third, a circular groove is formed in one side face of the third ratchet wheel, the synchronizing rod is an L-shaped rod, one end of the synchronizing rod is inserted into the circular groove in one side face of the third ratchet wheel, the other end of the synchronizing rod is inserted into the opening of the second ratchet wheel, the horizontal section of the synchronizing rod is embedded into the opening in the boss of the sleeve, and the right-angle end of the synchronizing rod is in contact with the other end of the straight pipe of the connecting rod;
furthermore, the second handle comprises a handle rod, a first support stick, a second support stick and a third support stick; one end of the handle rod is provided with a second support rod, one side of the outer surface of the second support rod is provided with a first support rod, the other side of the outer surface of the second support rod is provided with a third support rod, the bottom of the second support rod is provided with a pawl, the pawl is contacted with a tooth groove of the end surface of the first ratchet wheel, the bottom of the first support rod is provided with a positioning pin, the positioning pin is inserted into the inner bottom surface of the handle box, and the third support rod is provided with a spring; the bottom surface of the inner part of the handle box is provided with a support post, and the end surface of a spring on the third support rod is contacted with the support post;
furthermore, an annular groove is formed in the outer surface of the third ratchet wheel, a second pull rope is wound inside the groove, and one end of the second pull rope is fixedly connected with the bottom of the groove;
the automatic zero-returning unit comprises a connecting plate and Ga rulers, wherein the Ga ruler is connected with the middle part of the connecting plate through a bolt, and the upper part of the connecting plate is connected with one end of the feed beam through threads; the other end of the second pull rope is fixedly connected with the bottom of the Ga ruler;
furthermore, the jaw unit comprises a pin shaft, three pawls and a damping friction jaw; two pin shaft supports are arranged on the side face inside the shell, one end of each pin shaft sequentially penetrates through one pin shaft support, three pawls and a damping friction claw and is rotationally connected with the other pin shaft support, a spring is arranged between each pawl and the inner wall of the shell, and a spring is arranged between each damping friction claw and the inner wall of the shell;
furthermore, the three pawls and the damping friction claw are in contact with tooth grooves on the outer surface of a third ratchet wheel of the self-locking free length-adjusting unit;
furthermore, the spring roller unit comprises two vertical plates, rollers, a spring and an L-shaped roller; the other end of the upper surface of the bottom plate is provided with two vertical plates which are arranged in parallel, a roller is arranged between the two vertical plates, one end of an L-shaped rolling shaft sequentially penetrates through one vertical plate and the roller and is rotatably connected with the other vertical plate, a threaded end is arranged on the L-shaped rolling shaft, a nut is arranged on the threaded section, and a clockwork spring is arranged inside the roller; an annular groove is formed in the outer surface of the roller, a first pull rope is wound inside the groove, one end of the first pull rope is fixedly connected with the bottom of the groove in the roller, and the other end of the first pull rope is connected with the side face of the backup plate;
furthermore, when the device is used, the backup plate transmission part adopts a polished rod to be matched with the second pull rope for transmission, and the backup plate ruler returning part adopts a spring roller unit to be matched with the first pull rope for ruler returning, so that the operation is time-saving and labor-saving; the self-locking free length adjusting unit is adopted, a ratchet wheel braking mode is utilized, three ratchet wheels are sequentially arranged on the transmission shaft, the braking directions of the second ratchet wheel and the first ratchet wheel are opposite, when the second handle rotates anticlockwise, the second ratchet wheel works to drive the synchronous rod to slightly move, the pawl on the first ratchet wheel is peeled off to realize unlocking, and at the moment, the backup plate is pulled back by the first pull rope connected with the spring roller unit; in order to avoid unnecessary injury to operators caused by the fact that a control shaft rotates to drive a second hand crank to rotate when the ruler is returned, a third ratchet wheel is installed at the tail end of a transmission shaft, a pawl and a pressure spring used for braking the third ratchet wheel are arranged at the front end of the transmission shaft, a spring on a third support rod is pressed down when a second hand crank rod is stressed, the pawl drives the third ratchet wheel and the transmission shaft connected with the third ratchet wheel to move, the pawl bounces up under the condition of no stress, a handle box is separated from a rotating shaft, and the phenomenon that the transmission shaft rotates to not drive the handle box to rotate when the ruler is returned is realized, so that the injury to the operators is avoided;
the tooth pitch of the first ratchet wheel is 2mm, the first ratchet wheel is controlled by 3 pawls, and the difference between the 3 pawls is 1 tooth pitch, namely 2/3 mm; the diameter of the ratchet wheel is 107mm, the diameter of the synchronous steel wire paying-off wheel is 70mm, and the minimum self-locking step is finally realized by 0.436 mm;
the fixed tape measure disc with the poking teeth is adopted, and the tape measure is fixed by the ejector rod. 9 120mm screw rods which are uniformly arranged on a half fluted disc with 135 degrees are matched with the micro-adjustable top ruler rods with the lengths of 220mm and 120mm on the backup plate, and the backup plate can be adjusted to any 9 fixed sizes within the range of 10 mm-240 mm by utilizing the length difference of the two top ruler rods. When the semi-fluted disc type screw rod jacking device is used, only one handle is used for driving the semi-fluted disc to rotate, and the screw rod corresponding to the required size is jacked to the top ruler rod.
Because the band saw machine can all produce certain error after changing the saw blade every time, consequently all need proofread the guiding ruler again at every turn, for making the proofreading process labour saving and time saving, two top chi poles all can finely tune on the backup plate, proofread at every turn only need finely tune two top chi poles can. The fine adjustment rod 4 adopts a pressure spring and a top ball which are arranged on the outer side of a screw rod with a 1.75 thread pitch, and is matched with 3 limiting grooves on the inner side of the outer sleeve to realize the step fine adjustment of 0.58 mm.
Compared with the prior art, the utility model following beneficial effect has:
the utility model overcomes prior art's shortcoming, adopt polished rod and No. two stay cord cooperation transmissions, backup plate return chi portion adopts clockwork spring gyro wheel unit and a stay cord cooperation return chi, operation labour saving and time saving, and utilize ratchet braking mode, be equipped with three ratchet on the transmission shaft in proper order, No. two ratchet and a ratchet braking opposite direction, when No. two handle counter-clockwise turning, No. two ratchet works, drive the synchronizing bar fine motion, peel off the pawl on a ratchet, realize the unblock, the backup plate is pulled back by a stay cord of clockwork spring gyro wheel unit connection this moment, the tooth pitch of a ratchet is 2mm, with pawl control, realize the minimum step-by-step 0.436mm of auto-lock, the precision of improving device, it is easy to the chi, avoid the waste of timber resources.
The utility model overcomes the defects of the prior art, the upper part of one side surface of the shell is provided with a through hole, one end of the feed rod passes through the through hole on the shell, both ends of the side surface of the backup plate are respectively provided with a fine adjustment rod, one end of the self-locking free length adjustment unit is arranged in the shell, one side of the bottom end in the shell is provided with a clamping jaw unit, and the clamping jaw unit is contacted with one end of the self-locking free length adjustment unit; therefore, the transmission part is arranged in the shell, a large amount of sawdust is prevented from being produced during wood processing, the sawdust falls into the transmission structure, and the service life is prolonged.
Thirdly, the utility model is simple in operation and convenient in use.
Drawings
Fig. 1 is a three-dimensional perspective view of a precision self-locking guiding rule for wood processing according to the present invention;
fig. 2 is a side view of the precision self-locking guiding rule for wood processing according to the present invention;
fig. 3 is a front view of the precision self-locking guiding rule for wood processing according to the present invention;
fig. 4 is a cross-sectional view of a self-locking free length-adjusting unit in the precision self-locking guiding rule for wood processing according to the present invention;
fig. 5 is a side sectional view of a self-locking free length-adjusting unit a-a in the precision self-locking guiding rule for wood processing according to the present invention;
FIG. 6 is a cross-sectional view of a positioning pin in the precision self-locking guiding rule for wood processing according to the present invention;
fig. 7 is a front view of Ga rules in the precision self-locking rest rule for wood processing according to the present invention.
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 7, and the precision self-locking guiding rule for wood processing according to the present embodiment includes a finger-type fixed rule adjusting disk 1, a self-locking free rule adjusting unit 2, a rule 3, a fine adjustment rod 4, a guiding plate 5, a roller 6, an automatic zero-returning unit 7, a spring roller unit 8, a housing 9, a connecting rod 10, a jaw unit 11, a bottom plate 12, a polished rod 13, a supporting plate 14, a supporting rod 15, a first pulling rope 16, a supporting seat 17 and a second pulling rope 18;
a through hole is arranged at the upper part of one side surface of a shell 9, one end of a light bar 13 penetrates through the through hole on the shell 9 and is fixedly connected with the side surface of an automatic zero returning unit 7, a tooth-shifting type fixed tape adjusting disc 1 is arranged on one side surface of the shell 9, the other end of the light bar 13 is fixedly connected with the center of the side surface of a backup plate 5, a support plate 14 is arranged at the middle part of the upper surface of the backup plate 5, a ruler 3 is arranged on the support plate 14, a support rod 15 is arranged at the upper part of the other side surface of the shell 9, a pointer is arranged on the support rod 15, fine adjusting rods 4 are respectively arranged at the two ends of the side surface of the backup plate 5, one end of a self-locking type free tape adjusting unit 2 is arranged inside the shell 9, a clamping jaw unit 11 is arranged at one side of the bottom end inside the shell 9, the clamping jaw unit 11 is contacted with, a spring roller unit 8 is arranged on the other side of the upper surface of the bottom plate 12, the spring roller unit 8 is connected with the side surface of the backup plate 5 through a first pull rope 16, an automatic zero returning unit 7 is connected with one end of a self-locking free adjusting ruler unit 2 through a second pull rope 18, the self-locking free adjusting ruler unit 2 is rotatably connected with the top end of a supporting seat 17, the bottom end of the supporting seat 17 is connected with the bottom plate 12, and a roller 6 is arranged at one end of the backup plate 5;
in the specific embodiment, when the device is used, the backup plate transmission part adopts the polished rod 13 to be matched with the second pull rope 18 for transmission, and the backup plate ruler returning part adopts the spring roller unit 8 to be matched with the first pull rope 16 for ruler returning, so that the operation is time-saving and labor-saving; the self-locking free length-adjusting unit 2 is adopted, three ratchet wheels are sequentially arranged on a transmission shaft 2-8 in a ratchet wheel braking mode, the braking directions of a second ratchet wheel 2-4 and a first ratchet wheel 2-1 are opposite, when a second handle 2-2 rotates anticlockwise, the second ratchet wheel 2-4 works to drive a synchronous rod 2-7 to slightly move, a pawl on the first ratchet wheel 2-1 is stripped to realize unlocking, and at the moment, a backup plate is pulled back by a first pull rope 16 connected with a spring roller unit 8; in order to avoid unnecessary injury to operators caused by the fact that a control shaft rotates to drive a second hand crank handle 2-2 to rotate when the ruler is returned, a third ratchet 2-9 is installed at the tail end of a transmission shaft 2-8, a pawl and a pressure spring used for braking the third ratchet 2-9 are arranged at the front end of the transmission shaft 2-8, a spring on a third support rod 2-2-4 is pressed down when a second hand crank handle 2-2 rod is stressed, the pawl drives the third ratchet 2-9 and the transmission shaft 2-8 connected with the third ratchet to move, the pawl bounces up under the condition of no stress, a handle box 2-3 is separated from a rotating shaft, the transmission shaft 2-8 rotates to drive the handle box 2-3 to rotate when the ruler is returned, and therefore injury to the operators is avoided;
the pitch of the first ratchet wheel 2-1 is 2mm, the first ratchet wheel is controlled by 3 pawls, and the difference between the 3 pawls is 1 pitch, namely 2/3 mm; the diameter of the ratchet wheel is 107mm, the diameter of the synchronous steel wire paying-off wheel is 70mm, and the minimum self-locking step is finally realized by 0.436 mm;
the fixed tape adjusting disc 1 with the poking teeth is adopted, and the tape is fixed by the ejector rod. 9 120mm screw rods which are uniformly arranged on a semi-fluted disc 1-4 with 135 degrees are matched with 2 micro-adjustable top ruler rods with the lengths of 220mm and 120mm on the backup plate, and the backup plate can be moved at any 9 fixed sizes within the range of 10 mm-240 mm by utilizing the length difference of the two top ruler rods. When in use, the first handle 1-6 is only used for driving the half fluted disc 1-4 to rotate, and the screw corresponding to the required size is pushed to the top ruler rod.
Because the band saw machine can all produce certain error after changing the saw blade every time, consequently all need proofread the guiding ruler again at every turn, for making the proofreading process labour saving and time saving, two top chi poles all can finely tune on the backup plate, proofread at every turn only need finely tune two top chi poles can. The fine adjustment rod 4 adopts a pressure spring and a top ball which are arranged on the outer side of a screw rod with a 1.75 thread pitch, and is matched with 3 limiting grooves on the inner side of the outer sleeve to realize the step fine adjustment of 0.58 mm.
The second embodiment is as follows: the present embodiment is described with reference to fig. 2, and is a further limitation to the guiding rule according to the first embodiment, and the precision self-locking guiding rule for wood processing according to the present embodiment includes a set-tooth type fixed blade adjusting disc 1 including a positioning bolt 1-1, a support ring 1-2, a half ring 1-3, a half toothed disc 1-4, a first bearing 1-5, a first handle 1-6, an operating lever 1-7 and a screw rod 1-8;
the end face of a support ring 1-2 is fixedly connected with one side face of a shell 9, one end of a half ring 1-3 is fixedly connected with one side face of the shell 9, the support ring 1-2 and the half ring 1-3 are coaxially arranged, a semi-circular plate and a semi-toothed disc 1-4 are sequentially arranged on a light bar 13 from left to right, a first bearing 1-5 is arranged between the inner wall of a through hole of the semi-toothed disc 1-4 and the outer surface of the light bar 13, one end of the semi-circular plate is fixedly connected with one end of a control lever 1-7, the other end of the control lever 1-7 is provided with a first handle 1-6, the side face of the semi-circular plate is fixedly connected with the end face of the semi-toothed disc 1-4 through a pin, a gap is arranged between the semi-circular plate and the end face of the semi-toothed disc 1-, the bottom of the positioning bolt 1-1 penetrates through a square through hole on the outer surface of the support ring 1-2 and is in contact with teeth on the semi-fluted disc 1-4, a screw rod 1-8 is arranged between every two teeth on the end surface of the semi-fluted disc 1-4, the outer surface of the semi-ring 1-3 along the circumferential direction is uniformly provided with a pair of circular bulges, and the side of each circular bulge is marked with different measuring range values;
in the specific embodiment, the tooth-shifting type fixed ruler-adjusting disk 1 is adopted, and the ejector rod type ruler-adjusting disk is used for sizing. 9 120mm screw rods which are uniformly arranged on a semi-fluted disc 1-4 with 135 degrees are matched with 2 micro-adjustable top ruler rods with the lengths of 220mm and 120mm on the backup plate, and the backup plate can be moved at any 9 fixed sizes within the range of 10 mm-240 mm by utilizing the length difference of the two top ruler rods. When in use, the first handle 1-6 is only used for driving the half fluted disc 1-4 to rotate, and the screw corresponding to the required size is pushed to the top ruler rod.
Because the band saw machine can all produce certain error after changing the saw blade every time, consequently all need proofread the guiding ruler again at every turn, for making the proofreading process labour saving and time saving, two top chi poles all can finely tune on the backup plate, proofread at every turn only need finely tune two top chi poles can. The fine adjustment rod 4 adopts a pressure spring and a top ball which are arranged on the outer side of a screw rod with a 1.75 thread pitch, and is matched with 3 limiting grooves on the inner side of the outer sleeve to realize the step fine adjustment of 0.58 mm.
The third concrete implementation mode: the present embodiment is described with reference to fig. 6, and the present embodiment is a further limitation of the guiding rule described in the second embodiment, and the positioning bolt 1-1 in the present embodiment includes a positioning bolt housing 1-1-1, a sleeve 1-1-2, a first spring 1-1-3, a piston rod 1-1-4, a bearing seat 1-1-5, a top thread 1-1-6, and a roller 1-1-7;
the sleeve 1-1-2 is in a cylindrical shape with an opening at the upper end and a closed end at the lower end, the sleeve 1-1-2 is arranged at the top end inside the positioning bolt shell 1-1-1, the piston rod 1-1-4 is arranged inside the sleeve 1-1-2, the bottom end of the piston rod 1-1-4 penetrates through the bottom of the sleeve 1-1-2 to be connected with the top end of the bearing seat 1-1-5, a first spring 1-1-3 is arranged between the top end of the piston rod 1-1-4 and the top end inside the sleeve 1-1-2, the roller 1-1-7 is arranged at the bottom end of the bearing seat 1-1-5, the roller 1-1-7 is rotatably connected with the bottom of the bearing seat 1-1-5, a cylindrical bulge is arranged outside the positioning bolt shell 1-, the cylindrical bulge is communicated with the positioning bolt shell 1-1-1, and a jackscrew 1-1-6 is arranged inside the cylindrical bulge;
according to the specific embodiment, the rollers 1-1-7 are adopted at the bottom of the positioning bolt 1-1, so that the positioning bolt can conveniently slide on the half-fluted disc, the friction is reduced, and the service life of the device is prolonged.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 3, and the present embodiment is a further limitation of the guiding rule according to the first or second embodiment, and the precision self-locking guiding rule for wood processing according to the present embodiment includes a C-shaped bent pipe and a straight pipe, wherein a bottom end surface of the C-shaped bent pipe is fixedly connected with one end of the straight pipe, and an arc bottom of a semicircular plate at one end of the operating lever 1-7 is in contact with a top of the C-shaped bent pipe of the connecting rod 10;
in the specific embodiment, the arc bottom of the semicircular plate at one end of the operating rod 1-7 is contacted with the top of the C-shaped bent pipe of the connecting rod 10, the operating rod 1-7 is transversely shifted to drive the semicircular plate to axially move, the bottom of the semicircular plate is contacted with the top of the C-shaped bent pipe of the connecting rod 10, the connecting rod 10 rotates, the straight pipe of the connecting rod 10 is contacted with the jaw unit, the jaw unit is opened, the backup plate 5 rapidly returns, and the working efficiency is improved.
The fifth concrete implementation mode: the embodiment is described with reference to fig. 4, and is a further limitation to the guiding rule of the first embodiment, and the precision self-locking guiding rule for wood processing of the first embodiment, the self-locking free length-adjusting unit 2 of the embodiment comprises a first ratchet 2-1, a second handle 2-2, a handle box 2-3, a second ratchet 2-4, a second bearing 2-5, a sleeve 2-6, a synchronizing rod 2-7, a transmission shaft 2-8, a third ratchet 2-9 and a third bearing 2-10;
the transmission shaft 2-8 is sequentially divided into a first shaft section, a second shaft section, a third shaft section and a fourth shaft section from left to right, the outer surfaces of two ends of the transmission shaft 2-8 are provided with threads, one end of the transmission shaft 2-8 sequentially penetrates through the sleeve 2-6, the handle box 2-3 and the first ratchet 2-1 to be connected with the nut in a threaded manner, the outer surface of the sleeve 2-6 is provided with a cylindrical boss, the outer surface of the boss is provided with a notch, a second bearing 2-5 is arranged between the interior of the sleeve 2-6 and the outer surface of the transmission shaft 2-8, the sleeve 2-6, the handle box 2-3 and the first ratchet 2-1 are all arranged on the first shaft section, the sleeve 2-6 is provided with a second ratchet 2-4, the end surface of the second ratchet 2-4 is provided with a notch, the outer side surface of the handle box 2-3 is provided with a, the pawl is contacted with the end face tooth socket of the second ratchet wheel 2-4, the second handle 2-2 is arranged on the outer surface of the handle box 2-3, the other end of the transmission shaft 2-8 sequentially passes through the third bearing 2-10 and the third ratchet wheel 2-9, is connected with the nut by screw thread, a third ratchet wheel 2-9 is fixedly connected with a transmission shaft 2-8 by a key, a round groove is arranged on one side surface of the third ratchet wheel 2-9, a synchronous rod 2-7 is an L-shaped rod, one end of the synchronous rod 2-7 is inserted into the round groove on one side surface of the third ratchet wheel 2-9, the other end of the synchronous rod 2-7 is inserted into a notch of the second ratchet 2-4, the horizontal section of the synchronous rod 2-7 is embedded into the notch on the boss of the sleeve 2-6, and the right-angle end of the synchronous rod 2-7 is contacted with the other end of the straight pipe of the connecting rod 10;
in the specific embodiment, the backup plate transmission part adopts the polished rod 13 to be matched with the second pull rope 18 for transmission, and the backup plate ruler returning part adopts the spring roller unit 8 to be matched with the first pull rope 16 for ruler returning, so that the operation is time-saving and labor-saving; the self-locking free length-adjusting unit 2 is adopted, three ratchet wheels are sequentially arranged on a transmission shaft 2-8 in a ratchet wheel braking mode, the braking directions of a second ratchet wheel 2-4 and a first ratchet wheel 2-1 are opposite, when a second handle 2-2 rotates anticlockwise, the second ratchet wheel 2-4 works to drive a synchronous rod 2-7 to slightly move, a pawl on the first ratchet wheel 2-1 is stripped to realize unlocking, and at the moment, a backup plate is pulled back by a first pull rope 16 connected with a spring roller unit 8; in order to avoid unnecessary injury to operators caused by the fact that the control shaft rotates to drive the second hand crank handle 2-2 to rotate when the ruler is returned, the third ratchet wheel 2-9 is installed at the tail end of the transmission shaft 2-8, a pawl and a pressure spring used for braking the third ratchet wheel 2-9 are arranged at the front end of the transmission shaft 2-8, the spring on the third support rod 2-2-4 is pressed down when the second hand crank handle 2-2 is stressed, the pawl drives the third ratchet wheel 2-9 and the transmission shaft 2-8 connected with the third ratchet wheel to move, the pawl bounces up under the condition of no stress, the handle box 2-3 is separated from the rotating shaft, the fact that the transmission shaft 2-8 rotates and the handle box 2-3 does not rotate when the ruler is returned is achieved, and therefore injury to the operators is avoided.
The sixth specific implementation mode: the present embodiment is described with reference to fig. 5, and the present embodiment is a further limitation of the guiding rule described in the fifth embodiment, and the No. two handle 2-2 includes a handle rod 2-2-1, a first support rod 2-2-2, a second support rod 2-2-3, and a third support rod 2-2-4; one end of the handle rod 2-2-1 is provided with a second support rod 2-2-3, one side of the outer surface of the second support rod 2-2-3 is provided with a first support rod 2-2-2, the other side of the outer surface of the second support rod 2-2-3 is provided with a third support rod 2-2-4, the bottom of the second support rod 2-2-3 is provided with a pawl, the pawl is contacted with a tooth socket on the end surface of the first ratchet 2-1, the bottom of the first support rod 2-2-2 is provided with a positioning pin, the positioning pin is inserted into the inner bottom surface of the handle box 2-3, and the third support rod 2-2-4 is provided with a spring; the bottom surface inside the handle box 2-3 is provided with a support, and the end surface of a spring on the third support rod 2-2-4 is contacted with the support.
The seventh embodiment: the embodiment is described with reference to fig. 3 and 7, and is a further limitation to the guiding rule according to the first or fifth embodiment, in the precision self-locking guiding rule for wood processing according to the embodiment, an annular groove is processed on the outer surface of the third ratchet 2-9, a second pull rope 18 is wound inside the groove, and one end of the second pull rope 18 is fixedly connected with the bottom of the groove;
the automatic zero returning unit 7 comprises a connecting plate 19 and Ga ruler 20, wherein Ga ruler 20 is connected with the middle part of the connecting plate 19 through a bolt, and the upper part of the connecting plate 19 is connected with one end of the feed rod through a thread; the other end of the second pull rope 18 is fixedly connected with the bottom of the Ga ruler 20;
in the specific embodiment, an Ga ruler 20 is connected with the middle part of the connecting plate 19 through a bolt, and the upper part of the connecting plate 19 is connected with one end of the feed rod through a thread; the other end of the second pull rope 18 is fixedly connected with the bottom of the Ga ruler 20, so that the working efficiency is improved.
The specific implementation mode is eight: the present embodiment is described with reference to fig. 3, and the present embodiment is a further limitation of the guiding rule according to the first embodiment, and the jaw unit 11 of the precision self-locking guiding rule for wood processing according to the present embodiment includes a pin, three pawls, and a damping friction pawl; two pin shaft supports are arranged on the side face inside the shell 9, one end of each pin shaft sequentially penetrates through one pin shaft support, the three pawls and the damping friction claw and is rotatably connected with the other pin shaft support, a spring is arranged between each pawl and the inner wall of the shell 9, and a spring is arranged between each damping friction claw and the inner wall of the shell 9.
The specific implementation method nine: the embodiment is described with reference to fig. 3, and the embodiment is a further limitation of the guiding rule of the eighth embodiment, and the three pawls and the damping friction pawls of the precision self-locking guiding rule for wood processing of the embodiment are all in contact with tooth grooves on the outer surfaces of the third ratchet wheels 2-9 of the self-locking free length adjusting unit 2;
in the specific embodiment, the three pawls and the damping friction claws are in contact with tooth grooves on the outer surfaces of the third ratchet wheels 2-9 of the self-locking free length-adjusting unit 2, and the guiding ruler can return at a constant speed by utilizing the damping friction claws, so that the impact force is reduced.
The detailed implementation mode is ten: the present embodiment is described with reference to fig. 3, and the present embodiment is a further limitation of the guiding rule according to the first embodiment, and the spring roller unit 8 of the precision self-locking guiding rule for wood processing according to the present embodiment includes two vertical plates, a roller, a spring and an L-shaped roller; the other end of the upper surface of the bottom plate 12 is provided with two vertical plates which are arranged in parallel, a roller is arranged between the two vertical plates, one end of an L-shaped roller penetrates through one vertical plate and the roller in sequence and is connected with the other vertical plate in a rotating mode, a threaded end is arranged on the L-shaped roller, a nut is arranged on the threaded section, and a clockwork spring is arranged inside the roller; an annular groove is formed in the outer surface of the roller, a first pull rope 16 is wound inside the groove, one end of the first pull rope 16 is fixedly connected with the bottom of the groove in the roller, and the other end of the first pull rope 16 is connected with the side face of the backup plate 5;
this embodiment adopts clockwork spring gyro wheel unit 8, the backup plate 5 of being convenient for return stroke fast to the elasticity of the inside clockwork spring of usable L type roller bearing adjusting roller, thereby adjust the return stroke speed of backup plate 5.
Principle of operation
When the device is used, the backup plate transmission part adopts a polished rod 13 to be matched with a second pull rope 18 for transmission, and the backup plate ruler returning part adopts a spring roller unit 8 to be matched with a first pull rope 16 for ruler returning, so that the operation is time-saving and labor-saving; the self-locking free length-adjusting unit 2 is adopted, three ratchet wheels are sequentially arranged on a transmission shaft 2-8 in a ratchet wheel braking mode, the braking directions of a second ratchet wheel 2-4 and a first ratchet wheel 2-1 are opposite, when a second handle 2-2 rotates anticlockwise, the second ratchet wheel 2-4 works to drive a synchronous rod 2-7 to slightly move, a pawl on the first ratchet wheel 2-1 is stripped to realize unlocking, and at the moment, a backup plate is pulled back by a first pull rope 16 connected with a spring roller unit 8; in order to avoid unnecessary injury to operators caused by the fact that a control shaft rotates to drive a second hand crank handle 2-2 to rotate when the ruler is returned, a third ratchet 2-9 is installed at the tail end of a transmission shaft 2-8, a pawl and a pressure spring used for braking the third ratchet 2-9 are arranged at the front end of the transmission shaft 2-8, a spring on a third support rod 2-2-4 is pressed down when a second hand crank handle 2-2 rod is stressed, the pawl drives the third ratchet 2-9 and the transmission shaft 2-8 connected with the third ratchet to move, the pawl bounces up under the condition of no stress, a handle box 2-3 is separated from a rotating shaft, the transmission shaft 2-8 rotates to drive the handle box 2-3 to rotate when the ruler is returned, and therefore injury to the operators is avoided;
the pitch of the first ratchet wheel 2-1 is 2mm, the first ratchet wheel is controlled by 3 pawls, and the difference between the 3 pawls is 1 pitch, namely 2/3 mm; the diameter of the ratchet wheel is 107mm, the diameter of the synchronous steel wire paying-off wheel is 70mm, and the minimum self-locking step is finally realized by 0.436 mm;
the fixed tape adjusting disc 1 with the poking teeth is adopted, and the tape is fixed by the ejector rod. 9 120mm screw rods which are uniformly arranged on a semi-fluted disc 1-4 with 135 degrees are matched with 2 micro-adjustable top ruler rods with the lengths of 220mm and 120mm on the backup plate, and the backup plate can be moved at any 9 fixed sizes within the range of 10 mm-240 mm by utilizing the length difference of the two top ruler rods. When in use, the first handle 1-6 is only used for driving the half fluted disc 1-4 to rotate, and the screw corresponding to the required size is pushed to the top ruler rod.
Because the band saw machine can all produce certain error after changing the saw blade every time, consequently all need proofread the guiding ruler again at every turn, for making the proofreading process labour saving and time saving, two top chi poles all can finely tune on the backup plate, proofread at every turn only need finely tune two top chi poles can. The fine adjustment rod 4 adopts a pressure spring and a top ball which are arranged on the outer side of a screw rod with a 1.75 thread pitch, and is matched with 3 limiting grooves on the inner side of the outer sleeve to realize the step fine adjustment of 0.58 mm.
Claims (10)
1. The utility model provides a precision auto-lock guiding rule of wood working which characterized in that: the automatic adjusting device comprises a shifting tooth type fixed adjusting disc (1), a self-locking free adjusting unit (2), a ruler (3), a fine adjusting rod (4), a backup plate (5), an idler wheel (6), an automatic zeroing unit (7), a clockwork spring idler wheel unit (8), a shell (9), a connecting rod (10), a clamping jaw unit (11), a bottom plate (12), a polish rod (13), a supporting plate (14), a supporting rod (15), a first pull rope (16), a supporting seat (17) and a second pull rope (18);
a through hole is arranged at the upper part of one side surface of the shell (9), one end of a feed rod (13) penetrates through the through hole on the shell (9) and is fixedly connected with the side surface of the automatic zero returning unit (7), a tooth-shifting type fixed tape adjusting disc (1) is arranged on one side surface of the shell (9), the other end of the feed rod (13) is fixedly connected with the center of the side surface of the backup plate (5), a support plate (14) is arranged at the middle part of the upper surface of the backup plate (5), a ruler (3) is arranged on the support plate (14), a support rod (15) is arranged at the upper part of the other side surface of the shell (9), a pointer is arranged on the support rod (15), fine adjusting rods (4) are respectively arranged at two ends of the side surface of the backup plate (5), one end of the self-locking type free tape adjusting unit (2) is arranged inside the shell (9), a clamping jaw unit (11) is arranged, the vertical section of connecting rod (10) is equipped with the pivot, the pivot is connected with the inside back plate rotation of casing (9), casing (9) bottom and bottom plate (12) upper surface one side fixed connection, bottom plate (12) upper surface opposite side is equipped with clockwork spring gyro wheel unit (8), clockwork spring gyro wheel unit (8) are connected with the side of backup plate (5) through stay cord (16), automatic zero returning unit (7) are connected with the one end of self-locking type free adjustment chi unit (2) through No. two stay cords (18), self-locking type free adjustment chi unit (2) are connected with the top rotation of supporting seat (17), the bottom and bottom plate (12) of supporting seat (17) are connected, the one end of backup plate (5) is equipped with gyro wheel (6).
2. The precision self-locking guiding rule for wood processing according to claim 1, characterized in that: the poking tooth type fixed ruler disc (1) comprises a positioning bolt (1-1), a support ring (1-2), a semi-ring (1-3), a semi-toothed disc (1-4), a first bearing (1-5), a first handle (1-6), an operating rod (1-7) and a screw rod (1-8);
the end face of the support ring (1-2) is fixedly connected with one side face of the shell (9), one end of the semi-ring (1-3) is fixedly connected with one side face of the shell (9), the support ring (1-2) and the semi-ring (1-3) are coaxially arranged, a semi-circular plate and a semi-circular disc (1-4) are sequentially arranged on the optical lever (13) from left to right, a first bearing (1-5) is arranged between the inner wall of a through hole of the semi-circular disc (1-4) and the outer surface of the optical lever (13), one end of the semi-circular plate is fixedly connected with one end of the operating lever (1-7), a first handle (1-6) is arranged at the other end of the operating lever (1-7), the side face of the semi-circular plate is fixedly connected with the end face of the semi-circular disc (1-4) through a pin, a gap is formed between the end faces of the semi-circular plate and, the outer surface of the support ring (1-2) is provided with a square through hole, the bottom of the positioning bolt (1-1) penetrates through the square through hole on the outer surface of the support ring (1-2) and is in contact with teeth on the semi-toothed disc (1-4), a screw rod (1-8) is arranged between every two teeth on the end face of the semi-toothed disc (1-4), the outer surface of the semi-ring (1-3) in the circumferential direction is uniformly provided with a pair of circular bulges, and the side of each circular bulge is marked with different measuring range values.
3. The precision self-locking guiding rule for wood processing according to claim 2, characterized in that: the positioning bolt (1-1) comprises a positioning bolt shell (1-1-1), a sleeve (1-1-2), a first spring (1-1-3), a piston rod (1-1-4), a bearing seat (1-1-5), a jackscrew (1-1-6) and a roller (1-1-7);
the sleeve (1-1-2) is in a cylindrical shape with an opening at the upper end and a closed lower end, the sleeve (1-1-2) is arranged at the top end inside the positioning bolt shell (1-1-1), the piston rod (1-1-4) is arranged inside the sleeve (1-1-2), the bottom end of the piston rod (1-1-4) penetrates through the bottom of the sleeve (1-1-2) to be connected with the top end of the bearing seat (1-1-5), a first spring (1-1-3) is arranged between the top end of the piston rod (1-1-4) and the top end inside the sleeve (1-1-2), the roller (1-1-7) is arranged at the bottom end of the bearing seat (1-1-5), and the roller (1-1-7) is rotatably connected with the bottom of the bearing seat (1-1-5), the positioning bolt shell (1-1-1) is externally provided with a cylindrical bulge, the cylindrical bulge is communicated with the positioning bolt shell (1-1-1), and a jackscrew (1-1-6) is arranged in the cylindrical bulge.
4. The precision self-locking guiding rule for wood processing according to claim 2, characterized in that: the connecting rod (10) comprises a C-shaped bent pipe and a straight pipe, the bottom end face of the C-shaped bent pipe is fixedly connected with one end of the straight pipe, and the arc bottom of the semicircular plate at one end of the operating rod (1-7) is in contact with the top of the C-shaped bent pipe of the connecting rod (10).
5. The precision self-locking guiding rule for wood processing according to claim 1, characterized in that: the self-locking free ruler adjusting unit (2) comprises a first ratchet wheel (2-1), a second handle (2-2), a handle box (2-3), a second ratchet wheel (2-4), a second bearing (2-5), a sleeve (2-6), a synchronizing rod (2-7), a transmission shaft (2-8), a third ratchet wheel (2-9) and a third bearing (2-10);
the transmission shaft (2-8) is sequentially divided into a first shaft section, a second shaft section, a third shaft section and a fourth shaft section from left to right, the outer surfaces of two ends of the transmission shaft (2-8) are provided with threads, one end of the transmission shaft (2-8) sequentially penetrates through the sleeve (2-6), the handle box (2-3) and the first ratchet wheel (2-1) to be connected with the nut through threads, the outer surface of the sleeve (2-6) is provided with a cylindrical boss, the outer surface of the boss is provided with a notch, a second bearing (2-5) is arranged between the inner part of the sleeve (2-6) and the outer surface of the transmission shaft (2-8), the sleeve (2-6), the handle box (2-3) and the first ratchet wheel (2-1) are all arranged on the first shaft section, the sleeve (2-6) is provided with a second ratchet wheel (2-4), an opening is formed in the end face of the second ratchet wheel (2-4), a pawl is arranged on the outer side face of the handle box (2-3), the pawl is in contact with a tooth groove of the end face of the second ratchet wheel (2-4), the second handle (2-2) is arranged on the outer surface of the handle box (2-3), the other end of the transmission shaft (2-8) sequentially penetrates through a third bearing (2-10) and a third ratchet wheel (2-9) and is in threaded connection with a nut, the third ratchet wheel (2-9) is fixedly connected with the transmission shaft (2-8) through a key, a circular groove is formed in one side face of the third ratchet wheel (2-9), the synchronizing rod (2-7) is an L-shaped rod, one end of the synchronizing rod (2-7) is inserted into the circular groove in one side face of the third ratchet wheel (2-9), the other end of the synchronizing rod (2-7) is inserted into the opening of the second ratchet wheel (2-4), the horizontal section of the synchronous rod (2-7) is embedded into the opening on the boss of the sleeve (2-6), and the right-angle end of the synchronous rod (2-7) is contacted with the other end of the straight pipe of the connecting rod (10).
6. The precision self-locking guiding rule for wood processing according to claim 5, characterized in that: the second handle (2-2) comprises a handle rod (2-2-1), a first support stick (2-2-2), a second support stick (2-2-3) and a third support stick (2-2-4); one end of the handle rod (2-2-1) is provided with a second support rod (2-2-3), one side of the outer surface of the second support rod (2-2-3) is provided with a first support rod (2-2-2), the other side of the outer surface of the second support rod (2-2-3) is provided with a third support rod (2-2-4), the bottom of the second support rod (2-2-3) is provided with a pawl, the pawl is in contact with a tooth socket on the end face of the first ratchet wheel (2-1), the bottom of the first support rod (2-2-2) is provided with a positioning pin, the positioning pin is inserted into the inner bottom face of the handle box (2-3), and the third support rod (2-2-4) is provided with a spring; the bottom surface inside the handle box (2-3) is provided with a support post, and the end surface of a spring on the third support rod (2-2-4) is contacted with the support post.
7. The precision self-locking guiding rule for wood processing according to claim 5, characterized in that: an annular groove is formed in the outer surface of the third ratchet wheel (2-9), a second pull rope (18) is wound inside the groove, and one end of the second pull rope (18) is fixedly connected with the bottom of the groove;
the automatic zero returning unit (7) comprises a connecting plate (19) and Ga rulers (20), wherein the Ga ruler (20) is connected with the middle part of the connecting plate (19) through a bolt, and the upper part of the connecting plate (19) is connected with one end of a feed rod through threads; the other end of the second pull rope (18) is fixedly connected with the bottom of the Ga ruler (20).
8. The precision self-locking guiding rule for wood processing according to claim 1, characterized in that: the claw unit (11) comprises a pin shaft, three pawls and a damping friction claw; two pin shaft supports are arranged on the side face inside the shell (9), one end of a pin shaft sequentially penetrates through one pin shaft support, three pawls and a damping friction claw and is rotatably connected with the other pin shaft support, a spring is arranged between each pawl and the inner wall of the shell (9), and a spring is arranged between the damping friction claw and the inner wall of the shell (9).
9. The precision self-locking guiding rule for wood processing according to claim 8, characterized in that: the three pawls and the damping friction claw are all in contact with tooth grooves on the outer surface of a third ratchet wheel (2-9) of the self-locking free length-adjusting unit (2).
10. The precision self-locking guiding rule for wood processing according to claim 1, characterized in that: the spring roller unit (8) comprises two vertical plates, rollers, a spring and an L-shaped roller; the other end of the upper surface of the bottom plate (12) is provided with two vertical plates which are arranged in parallel, a roller is arranged between the two vertical plates, one end of an L-shaped roller penetrates through one vertical plate and the roller in sequence and is connected with the other vertical plate in a rotating mode, a threaded end is arranged on the L-shaped roller, a nut is arranged on the threaded section, and a clockwork spring is arranged inside the roller; the outer surface of the roller is provided with an annular groove, a first pull rope (16) is wound in the groove, one end of the first pull rope (16) is fixedly connected with the bottom of the groove in the roller, and the other end of the first pull rope (16) is connected with the side face of the backup plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021894895.5U CN212432161U (en) | 2020-09-02 | 2020-09-02 | Precision self-locking guiding rule for wood processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021894895.5U CN212432161U (en) | 2020-09-02 | 2020-09-02 | Precision self-locking guiding rule for wood processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212432161U true CN212432161U (en) | 2021-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021894895.5U Expired - Fee Related CN212432161U (en) | 2020-09-02 | 2020-09-02 | Precision self-locking guiding rule for wood processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212432161U (en) |
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2020
- 2020-09-02 CN CN202021894895.5U patent/CN212432161U/en not_active Expired - Fee Related
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Granted publication date: 20210129 |