CN212288001U - Be applied to timber processing guiding ruler from locking-type transfer chi mechanism - Google Patents
Be applied to timber processing guiding ruler from locking-type transfer chi mechanism Download PDFInfo
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- CN212288001U CN212288001U CN202021894894.0U CN202021894894U CN212288001U CN 212288001 U CN212288001 U CN 212288001U CN 202021894894 U CN202021894894 U CN 202021894894U CN 212288001 U CN212288001 U CN 212288001U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 239000002023 wood Substances 0.000 claims abstract description 34
- 210000001847 jaw Anatomy 0.000 claims description 34
- 230000001360 synchronised effect Effects 0.000 claims description 20
- 238000013016 damping Methods 0.000 claims description 16
- 210000000078 claw Anatomy 0.000 claims description 8
- 210000003781 tooth socket Anatomy 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 6
- 239000000428 dust Substances 0.000 abstract description 4
- 239000011295 pitch Substances 0.000 description 12
- 208000027418 Wounds and injury Diseases 0.000 description 6
- 230000006378 damage Effects 0.000 description 6
- 208000014674 injury Diseases 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
A self-locking type guiding rule adjusting mechanism applied to a wood processing guiding rule relates to the technical field of adjusting guiding rules. For solving current transfer chi mechanism and being commonly used in hand round rack footage, the regulation precision of this kind of structure is lower to when screwing up the jackscrew, take place to move between gear and the rack, lead to the appearance of error, cause ligneous waste, because wood working operational environment dust is big, rack and pinion need often clear up, short service life, and the lower problem of work efficiency. Adopt polished rod and stay cord cooperation transmission, the backup plate returns chi portion adopts clockwork spring gyro wheel unit and No. two stay cords cooperation to return chi, operation labour saving and time saving to utilize the 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 handles anticlockwise rotation, No. two ratchet works, drive the synchronizing bar fine motion, peel off the pawl on a ratchet, realize the unblock, work efficiency is higher, avoids the waste of timber resource. The utility model is suitable for a wood working field.
Description
Technical Field
The utility model relates to an adjust guiding ruler technical field, concretely relates to be applied to wood working guiding ruler from locking-type transfer chi mechanism.
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 gear and the rack can move in a string manner, so that errors occur, and in wood processing, the tolerance of +2 to-3 mm has to be allowed, so that a large amount of wood resources are wasted.
To sum up, current accent chi mechanism is often used for hand round rack footage, and the regulation precision of this kind of structure is lower to when screwing up the jackscrew, can take place to move between gear and the rack, lead to the appearance of error, cause ligneous waste, because wood working operational environment dust is big, rack and pinion need often clear up, life is short, and the lower problem of work efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve current transfer chi mechanism and be often used for hand round rack footage, the regulation precision of this kind of structure is lower to when screwing up the jackscrew, can take place to move between gear and the rack, lead to the appearance of error, cause ligneous waste, because wood working environment dust is big, rack and pinion needs frequent clearance, life is short, and the lower problem of work efficiency, and provide one kind be applied to wood working guiding ruler from locking-type transfer chi mechanism.
The utility model discloses a self-locking type guiding ruler mechanism applied to a guiding ruler for wood processing, which comprises a shell, a self-locking type driving unit, a guiding plate, a roller, a spring roller unit, a connecting rod, a clamping jaw unit, a bottom plate, a connecting plate, a polish rod, a first pull rope, a supporting seat and a second pull rope;
the upper part of one side face of the shell is provided with a through hole, one end of a polished rod penetrates through the through hole on the shell and is fixedly connected with the side face of a connecting plate, the other end of the polished rod is fixedly connected with the center of the side face of the backup plate, one end of a self-locking driving unit is arranged inside the shell, one side of the bottom end inside the shell is provided with a clamping jaw unit, the clamping jaw unit is contacted with one end of the self-locking driving unit, the vertical section of a connecting rod is provided with a rotating shaft, the rotating shaft is rotatably connected with a rear plate inside the shell, the bottom of the shell is fixedly connected with one side of the upper surface of a bottom plate, the other side of the upper surface of the bottom plate is provided with a clockwork spring roller unit, the clockwork spring roller unit is connected with the side face of the backup plate;
furthermore, the connecting rod comprises a C-shaped bent pipe and a straight pipe, and the bottom end face of the C-shaped bent pipe is fixedly connected with one end of the straight pipe;
furthermore, the self-locking driving unit comprises a first ratchet wheel, a handle box, a second ratchet wheel, a first bearing, a sleeve, a synchronizing rod, a transmission shaft, a third ratchet wheel and a second 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 first 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 an end surface tooth socket of the second ratchet wheel, the outer surface of the handle box is provided with a handle, the other end of the transmission shaft sequentially penetrates through the second bearing and the third ratchet wheel to be, the synchronous rod is an L-shaped rod, one end of the synchronous rod is inserted into a circular groove in one side face of the third ratchet wheel, the other end of the synchronous rod is inserted into a notch of the second ratchet wheel, the horizontal section of the synchronous rod is embedded into the notch on the boss of the sleeve, and the right-angle end of the synchronous rod is in contact with the other end of the straight pipe of the connecting rod;
furthermore, an annular groove is formed in the outer surface of the third ratchet wheel, 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, and the other end of the first pull rope is fixedly connected with the side face of the connecting plate;
furthermore, the tooth pitches of the first ratchet wheel, the second ratchet wheel and the third ratchet wheel are all 2mm, and the diameter of the third ratchet wheel is 107 mm;
furthermore, the 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, the jaw unit comprises a pin shaft, three jaws and a damping friction jaw; two pin shaft supports are arranged on the side face inside the shell, one end of a pin shaft sequentially penetrates through one pin shaft support, three clamping jaws and a damping friction jaw and is rotationally connected with the other pin shaft support, a spring is arranged between each clamping jaw and the inner wall of the shell, and a spring is arranged between the damping friction jaw and the inner wall of the shell;
furthermore, the three clamping jaws and the damping friction jaw are in contact with a tooth groove on the outer surface of a third ratchet wheel of the self-locking driving 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 8 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 second pull rope is wound inside the groove, one end of the second pull rope is fixedly connected with the bottom of the groove in the roller, and the other end of the second pull rope is connected with the side face of the backup plate;
furthermore, 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 at the upper part of one side surface of the shell, and a pointer is arranged on the support rod;
furthermore, when the back plate is used, the backup plate transmission part adopts a polished rod to be matched with the pull rope for transmission, and the backup plate ruler returning part adopts a spring roller unit to be matched with a second pull rope for ruler returning, so that the operation is time-saving and labor-saving; the self-locking driving 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 a second 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; and the diameter of the ratchet wheel is 107mm, the diameter of the synchronous steel wire paying-off wheel is 70mm, and finally the minimum self-locking step is 0.436 mm.
Compared with the prior art, the utility model following beneficial effect has:
the utility model provides a, the utility model overcomes prior art's shortcoming, adopt polished rod and stay cord cooperation transmission, backup plate return rule portion adopts clockwork spring gyro wheel unit and No. two stay cords cooperation return rules, 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, a ratchet, the tooth pitch of No. two ratchet and No. three ratchet is 2mm, with jack catch control, realize the minimum step-by-step 0.436mm of auto-lock, improve the precision of adjustment, it is easy to the chi, work efficiency is higher, avoid the waste of timber resources.
Two, the utility model overcomes prior art's shortcoming will set up inside the casing from locking-type drive unit's one end, and the dust of avoiding wood working to produce falls into drive unit in the life of improving device.
Thirdly, the utility model is simple in operation and convenient in use.
Drawings
Fig. 1 is a side view of a self-locking type guiding mechanism applied to a guiding rule for wood processing according to the present invention;
fig. 2 is a front view of a self-locking type guiding mechanism applied to a guiding rule for wood processing according to the present invention;
fig. 3 is a cross-sectional view of a self-locking driving unit in a self-locking type guiding mechanism applied to a guiding rule for wood processing according to the present invention;
fig. 4 is a cross-sectional view of a self-locking driving unit in a self-locking type length adjusting mechanism applied to a wood processing guiding rule according to the present invention;
fig. 5 is a B part enlarged schematic view in the self-locking type ruler adjusting mechanism of the guiding rule for wood processing.
Detailed Description
The first embodiment is as follows: the self-locking type guiding rule mechanism applied to the wood processing guiding rule comprises a shell 1, a self-locking type driving unit 2, a guiding plate 3, a roller 4, a spring roller unit 5, a connecting rod 6, a clamping jaw unit 7, a bottom plate 8, a connecting plate 9, a polished rod 10, a first pulling rope 11, a supporting seat 12 and a second pulling rope 13;
the upper part of one side surface of the shell 1 is provided with a through hole, one end of a light bar 10 penetrates through the through hole on the shell 1 and is fixedly connected with the side surface of a connecting plate 9, the other end of the light bar 10 is fixedly connected with the center of the side surface of a backup plate 3, one end of a self-locking driving unit 2 is arranged inside the shell 1, one side of the bottom end inside the shell 1 is provided with a clamping jaw unit 7, the clamping jaw unit 7 is contacted with one end of the self-locking driving unit 2, the vertical section of a connecting rod 6 is provided with a rotating shaft which is rotatably connected with a rear plate inside the shell 1, the bottom of the shell 1 is fixedly connected with one side of the upper surface of a bottom plate 8, the other side of the upper surface of the bottom plate 8 is provided with a clockwork spring roller unit 5, the clockwork roller unit 5 is connected with the side surface of, the lower part of the supporting seat 12 is connected with the bottom plate 8, and one end of the backup plate 3 is provided with a roller 4;
in the specific embodiment, when the device is used, the transmission part of the backup plate 3 adopts the polished rod 10 to be matched with the first pull rope 11 for transmission, and the ruler returning part of the backup plate 3 adopts the spring roller unit 5 to be matched with the second pull rope 13 for ruler returning, so that the operation is time-saving and labor-saving; the self-locking type driving unit 2 is adopted, a ratchet wheel braking mode is utilized, three ratchet wheels are sequentially arranged on a transmission shaft 2-8, 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, unlocking is achieved, and at the moment, a backup plate is pulled back by a second pull rope 13 connected with a spring roller unit 5; 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; and the diameter of the ratchet wheel is 107mm, the diameter of the synchronous steel wire paying-off wheel is 70mm, and finally the minimum self-locking step is 0.436 mm.
The second embodiment is as follows: the present embodiment is described with reference to fig. 2, and is a further limitation to the length adjustment mechanism according to the first embodiment, and the self-locking length adjustment mechanism applied to the 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 to one end of the straight pipe.
The third concrete implementation mode: the embodiment is described with reference to fig. 3, and is a further limitation of the length adjustment mechanism according to the first embodiment, and the self-locking type length adjustment mechanism applied to the wood working guiding rule according to the first embodiment, the self-locking type driving unit 2 includes a first ratchet 2-1, a handle 2-2, a handle box 2-3, a second ratchet 2-4, a first bearing 2-5, a sleeve 2-6, a synchronizing rod 2-7, a transmission shaft 2-8, a third ratchet 2-9 and a second 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 first 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 outer surface of the handle box 2-3 is provided with a handle 2-2, the other end of the transmission shaft 2-8 sequentially passes through the second 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 6;
this embodiment, adopt polished rod and stay cord cooperation transmission, the backup plate returns chi part adopts clockwork spring gyro wheel unit and No. two stay cords cooperation returns 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 ratchet braking direction are opposite, when No. two handles anticlockwise rotation, No. two ratchet works, drive the synchronizing bar fine motion, peel off the pawl on No. one ratchet, realize the unblock, the backup plate is pulled back by the stay cord of clockwork spring gyro wheel unit connection this moment, No. one ratchet, the tooth pitch of No. two ratchet and No. three ratchet is 2mm, control with the jack catch, realize the minimum step-by-step 0.436mm of auto-lock, improve the precision of adjustment, it is easy to the chi, work efficiency is higher, avoid the waste of timber resources.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 2, and is a further limitation to the length adjustment mechanism described in the third embodiment, in the self-locking length adjustment mechanism for a wood working guiding rule described in the present embodiment, an annular groove is processed on an outer surface of the third ratchet 2-9, a first pull rope 11 is wound inside the groove, one end of the first pull rope 11 is fixedly connected to the bottom of the groove, and the other end of the first pull rope 11 is fixedly connected to a side surface of the connecting plate 9;
according to the specific embodiment, the annular groove is formed in the outer surface of the third ratchet wheel 2-9, the first pull rope 11 is wound in the groove, one end of the first pull rope 11 is fixedly connected with the bottom of the groove, and the other end of the first pull rope 11 is fixedly connected with the side face of the connecting plate 9, so that the operability of the device is improved, and labor is saved.
The fifth concrete implementation mode: the embodiment is described with reference to fig. 3, and is a further limitation to the length adjustment mechanism described in the third embodiment, and the self-locking length adjustment mechanism applied to the wood working guiding rule described in the embodiment has the tooth pitches of the first ratchet 2-1, the second ratchet 2-4 and the third ratchet 2-9 all being 2mm, and the diameter of the third ratchet 2-9 is 107 mm;
in the specific embodiment, the tooth 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 tooth pitch, namely 2/3 mm; and the diameter of the ratchet wheel is 107mm, the diameter of the synchronous steel wire paying-off wheel is 70mm, the minimum self-locking stepping is finally realized by 0.436mm, and the accuracy of adjusting the ruler is improved.
The sixth specific implementation mode: the present embodiment is described with reference to fig. 4, and is a further limitation of the length adjustment mechanism according to the third embodiment, and the handle 2-2 of the present embodiment 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 present embodiment is described with reference to fig. 5, and the present embodiment is a further limitation of the length adjustment mechanism described in the first embodiment, and the self-locking length adjustment mechanism applied to the wood working guiding rule described in the present embodiment, the jaw unit 7 includes a pin 7-3, three jaws 7-2, and a damping friction jaw 7-1; two pin shaft supports are arranged on the side face inside the shell 1, one end of a pin shaft 7-3 sequentially penetrates through one pin shaft support, three clamping jaws 7-2 and a damping friction claw 7-1 to be rotatably connected with the other pin shaft support, a spring is arranged between each clamping jaw 7-2 and the inner wall of the shell 1, and a spring is arranged between the damping friction claw 7-1 and the inner wall of the shell 1;
in the specific embodiment, the three clamping jaws 7-2 and the damping friction claws 7-1 are in contact with tooth grooves on the outer surface of the third ratchet wheel 2-9 of the self-locking driving 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 specific implementation mode is eight: the embodiment is described with reference to fig. 5, and the embodiment is a further limitation of the length adjusting mechanism described in the seventh embodiment, and the self-locking length adjusting mechanism applied to the wood working guiding rule described in the embodiment is characterized in that the three jaws 7-2 and the damping friction jaw 7-1 are all in contact with tooth grooves on the outer surface of the third ratchet 2-9 of the self-locking driving unit 2;
in the specific embodiment, the three clamping jaws 7-2 and the damping friction claws 7-1 are in contact with tooth grooves on the outer surface of the third ratchet wheel 2-9 of the self-locking driving 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 specific implementation method nine: the present embodiment is described with reference to fig. 1, and the present embodiment is a further limitation of the length adjustment mechanism according to the first embodiment, and the self-locking length adjustment mechanism applied to the wood working running rule according to the present embodiment, wherein the spring roller unit 5 includes two vertical plates, a roller, a spring and an L-shaped roller; the other end of the upper surface of the bottom plate 8 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 second pull rope 13 is wound inside the groove, one end of the second pull rope 13 is fixedly connected with the bottom of the groove in the roller, and the other end of the second pull rope 13 is connected with the side face of the backup plate 3;
this embodiment adopts clockwork spring gyro wheel unit 5, the backup plate 3 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 3.
The detailed implementation mode is ten: the present embodiment is described with reference to fig. 2, and is a further limitation to the length adjustment mechanism according to the first embodiment, in the present embodiment, a self-locking length adjustment mechanism applied to a guiding rule for wood processing is provided, a support plate is provided in the middle of the upper surface of the guiding plate 3, a ruler 14 is provided on the support plate, a support rod 15 is provided on the upper portion of one side surface of the housing 1, and a pointer is provided on the support rod 15;
in the embodiment, the middle of the upper surface of the backup plate 3 is provided with the support plate, the support plate is provided with the ruler 14, the upper part of one side surface of the shell 1 is provided with the support rod 15, and the support rod 15 is provided with the pointer, so that the adjusted size value can be observed conveniently.
Principle of operation
When the device is used, the transmission part of the backup plate 3 adopts a polished rod 10 to be matched with a first pull rope 11 for transmission, and the ruler returning part of the backup plate 3 adopts a spring roller unit 5 to be matched with a second pull rope 13 for ruler returning, so that the operation is time-saving and labor-saving; the self-locking type driving unit 2 is adopted, a ratchet wheel braking mode is utilized, three ratchet wheels are sequentially arranged on a transmission shaft 2-8, 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, unlocking is achieved, and at the moment, a backup plate is pulled back by a second pull rope 13 connected with a spring roller unit 5; 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; and the diameter of the ratchet wheel is 107mm, the diameter of the synchronous steel wire paying-off wheel is 70mm, and finally the minimum self-locking step is 0.436 mm.
Claims (10)
1. The utility model provides a be applied to timber processing guiding ruler from locking-type transfer chi mechanism which characterized in that: the spring type spring rolling device comprises a shell (1), a self-locking driving unit (2), a backup plate (3), a roller (4), a spring roller unit (5), a connecting rod (6), a clamping jaw unit (7), a bottom plate (8), a connecting plate (9), a feed rod (10), a first pull rope (11), a supporting seat (12) and a second pull rope (13);
a through hole is arranged at the upper part of one side surface of the shell (1), one end of a feed rod (10) penetrates through the through hole on the shell (1) and is fixedly connected with the side surface of a connecting plate (9), the other end of the feed rod (10) is fixedly connected with the center of the side surface of the backup plate (3), one end of a self-locking driving unit (2) is arranged inside the shell (1), a clamping jaw unit (7) is arranged at one side of the bottom end inside the shell (1), the clamping jaw unit (7) is contacted with one end of the self-locking driving unit (2), a rotating shaft is arranged at the vertical section of a connecting rod (6) and is rotatably connected with a rear plate inside the shell (1), the bottom of the shell (1) is fixedly connected with one side of the upper surface of a bottom plate (8), a clockwork spring roller unit (5) is arranged at the other side of the upper surface of the bottom plate (8), the clockwork spring roller unit (5) is connected with the side surface of the backup plate (, the self-locking driving unit (2) is rotatably connected with the upper part of the supporting seat (12), the lower part of the supporting seat (12) is connected with the bottom plate (8), and one end of the backup plate (3) is provided with a roller (4).
2. The self-locking type guiding mechanism applied to the wood processing guiding rule is characterized in that: the connecting rod (6) comprises a C-shaped bent pipe and a straight pipe, and the bottom end face of the C-shaped bent pipe is fixedly connected with one end of the straight pipe.
3. The self-locking type guiding mechanism applied to the wood processing guiding rule is characterized in that: the self-locking type driving unit (2) comprises a first ratchet wheel (2-1), a handle (2-2), a handle box (2-3), a second ratchet wheel (2-4), a first bearing (2-5), a sleeve (2-6), a synchronous rod (2-7), a transmission shaft (2-8), a third ratchet wheel (2-9) and a second 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 first 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 the 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), a 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 the second bearing (2-10) and the 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 (6).
4. The self-locking type guiding mechanism applied to the wood processing guiding rule is characterized in that: an annular groove is processed on the outer surface of the third ratchet wheel (2-9), a first pull rope (11) is wound inside the groove, one end of the first pull rope (11) is fixedly connected with the bottom of the groove, and the other end of the first pull rope (11) is fixedly connected with the side face of the connecting plate (9).
5. The self-locking type guiding mechanism applied to the wood processing guiding rule is characterized in that: the tooth pitch of the first ratchet wheel (2-1), the second ratchet wheel (2-4) and the third ratchet wheel (2-9) is 2mm, and the diameter of the third ratchet wheel (2-9) is 107 mm.
6. The self-locking type guiding mechanism applied to the wood processing guiding rule is characterized in that: the 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 self-locking type guiding mechanism applied to the wood processing guiding rule is characterized in that: the jaw unit (7) comprises a pin shaft (7-3), three jaws (7-2) and a damping friction jaw (7-1); two pin shaft supports are arranged on the side face inside the shell (1), one end of a pin shaft (7-3) sequentially penetrates through one pin shaft support, three clamping jaws (7-2) and a damping friction jaw (7-1) and is rotatably connected with the other pin shaft support, a spring is arranged between each clamping jaw (7-2) and the inner wall of the shell (1), and a spring is arranged between the damping friction jaw (7-1) and the inner wall of the shell (1).
8. The self-locking type guiding mechanism applied to the wood processing guiding rule is characterized in that: the three claws (7-2) and the damping friction claw (7-1) are in contact with tooth grooves on the outer surface of a third ratchet wheel (2-9) of the self-locking driving unit (2).
9. The self-locking type guiding mechanism applied to the wood processing guiding rule is characterized in that: the spring roller unit (5) comprises two vertical plates, rollers, a spring and an L-shaped roller; the other end of the upper surface of the bottom plate (8) 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 second pull rope (13) is wound inside the groove, one end of the second pull rope (13) is fixedly connected with the bottom of the groove in the roller, and the other end of the second pull rope (13) is connected with the side face of the backup plate (3).
10. The self-locking type guiding mechanism applied to the wood processing guiding rule is characterized in that: the upper surface middle part of backup plate (3) be equipped with the backup pad, be equipped with ruler (14) in the backup pad, a side upper portion of casing (1) is equipped with branch (15), and is equipped with the pointer on branch (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021894894.0U CN212288001U (en) | 2020-09-02 | 2020-09-02 | Be applied to timber processing guiding ruler from locking-type transfer chi mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021894894.0U CN212288001U (en) | 2020-09-02 | 2020-09-02 | Be applied to timber processing guiding ruler from locking-type transfer chi mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212288001U true CN212288001U (en) | 2021-01-05 |
Family
ID=73933910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021894894.0U Expired - Fee Related CN212288001U (en) | 2020-09-02 | 2020-09-02 | Be applied to timber processing guiding ruler from locking-type transfer chi mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212288001U (en) |
-
2020
- 2020-09-02 CN CN202021894894.0U patent/CN212288001U/en not_active Expired - Fee Related
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