CN114227817A

CN114227817A - Dust suction device for woodworking sliding table saw

Info

Publication number: CN114227817A
Application number: CN202111245118.7A
Authority: CN
Inventors: 曾广文
Original assignee: Jiangxi Kelin Environmental Protection Equipment Co ltd
Current assignee: Jiangxi Kelin Environmental Protection Equipment Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-03-25
Anticipated expiration: 2041-10-26
Also published as: CN114227817B

Abstract

The invention relates to the technical field of wood cutting, and discloses a dust suction device for a woodworking sliding table saw, wherein an adjusting rod is movably sleeved with an adjusting sleeve plate, so that the height of the adjusting rod synchronously changes along with the change of the height of the adjusting sleeve plate, the bottom of a dust remover moves towards one end far away from a hydraulic machine due to the fact that the length of the adjusting rod is a fixed value, an included angle between the axis of the dust remover and a vertical plane is reduced, and the included angle between a tangent line between a circular saw blade and a wood plate and the vertical plane is reduced when a telescopic machine drives the circular saw blade to synchronously rise, so that the dust remover can correspond to the current tangent direction of the circular saw blade and the wood plate, the dust remover can furthest absorb sawdust when the sawdust is thrown out along the tangent direction when the circular saw blade cuts the wood plate, and the problem that a large amount of sawdust cannot be normally absorbed by the dust remover due to the change of the angle of the sawdust thrown after the height of the circular saw blade is changed is solved, the dust removal capacity of the device is improved.

Description

Dust suction device for woodworking sliding table saw

Technical Field

The invention relates to the technical field of wood cutting, in particular to a dust suction device for a woodworking sliding table saw.

Background

The sliding table saw is a very common wood processing machine, is commonly used for the cutting of timber, an indispensable equipment during carpentry, its principle is to rotate through power machine drive annular saw, and cut timber, can produce a large amount of saw-dusts at the in-process of cutting, these saw-dusts can enter into the air and pollute all ring edge borders, so can install dust collecting equipment additional on conventional sliding table saw, attract the saw-dust of some little productions, thereby avoid a large amount of timber pieces to be arranged in the air, conventional dust collecting equipment is installed in table surface's below through fixed mounting's mode, and the dust absorption mouth is along with the annular saw, this kind of dust collecting device has simple structure, low cost, advantages such as convenient to use.

Although the existing dust collection device for the woodworking sliding table saw has many advantages, certain limitation still exists in the actual use process, the circular saw height in the existing sliding table saw can be adjusted, so that wood with different thicknesses can be conveniently cut, when the circular saw height is changed, a contact point between the circular saw and the wood is changed, and an included angle between the tangential direction of the contact point between the circular saw and the wood and a vertical plane is reduced, so that an included angle is formed between the direction in which wood chips are thrown and the dust collection port, and a large amount of wood chips cannot accurately enter the dust collection port after being thrown, so that the dust collection effect of the device is reduced.

Disclosure of Invention

Aiming at the defects of the existing dust suction device for the woodworking sliding table saw in the background technology in the using process, the invention provides the dust suction device for the woodworking sliding table saw, which has the advantage that a dust suction port can be always aligned with the sawdust throwing direction, and solves the problem that the dust suction port cannot be aligned with the sawdust throwing direction when the height of a circular saw is changed in the traditional equipment.

The invention provides the following technical scheme: the utility model provides a dust extraction for carpenter's sliding table saw, includes the machined surface, fixed mounting has a table angle on the position that the machined surface bottom is close to both sides, fixed mounting has the mounting panel on the position that table angle one side and be close to the bottom, fixed mounting has the telescopic machine on the mounting panel top and be close to the position of one side, the one end fixed mounting of telescopic machine output shaft has the fixing base, the top fixed mounting of fixing base has the engine, the one end fixed mounting of engine output shaft has splint, the outer fixed surface of splint has cup jointed the circular saw blade, one side fixed mounting of fixing base has adjusting device, one side fixed mounting of adjusting device has the connecting plate, the top fixed mounting of connecting plate has reduction gear and reduction gear to be connected with splint, the one end fixed mounting of reduction gear output shaft has transmission, stroke device has been cup jointed in transmission's top activity, the adjusting device is characterized in that a dust removal device is movably sleeved on the position, close to the top, of one side of the adjusting device and is fixedly installed at the top of the mounting plate, and a reset device is fixedly installed on the position, close to the top, of the other side of the table corner and corresponds to the stroke device.

Preferably, adjusting device is including adjusting the seat, the saw groove has been seted up at the top of adjusting the seat, it has the spliced pole to adjust fixed mounting on the position that the seat top is located saw groove one side, the top fixed mounting of spliced pole has the connecting strip, the top fixed mounting of connecting strip has the pole of cup jointing, the surface activity of cup jointing the pole has cup jointed the dust cover, it has the regulation lagging to adjust fixed mounting on the position that the seat top is located the saw groove opposite side, the top activity of adjusting the lagging has cup jointed dust collector.

Preferably, resetting means includes the reset tube, the bottom fixed mounting of reset tube has release link and release link to run through the table angle, the one end fixed mounting of release link has only journey board, the axis of release link and only journey board is located same central line with the axis of stroke device, only journey board one side and be located the position in the release link outside fixed mounting have reset spring.

Preferably, transmission includes the driving shaft, the driving shaft is connected with the one end of reduction gear output shaft, backup pad I has been cup jointed in the activity on the position that driving shaft one end just was located the surface, the belt pulley has been cup jointed in the surface activity of driving shaft, the fixed surface of belt pulley installs permanent magnet and distributes along belt pulley surface array, the internal surface activity of belt pulley has cup jointed the driven shaft, backup pad II has been cup jointed in the both ends activity of driven shaft, backup pad I and II fixed mounting in the top of mounting panel of backup pad, the equal fixed mounting in top of backup pad I and backup pad II has the stroke device.

Preferably, the stroke device includes the stopper, the quantity of stopper be two and respectively with I and II fixed mounting of backup pad, the stroke pole has been cup jointed in the activity on the position at one side of stopper and lie in the center, the one end fixed mounting of stroke pole has the inductor, the one end fixed mounting of inductor has the lagging, and the lagging cooperatees with the machined surface.

Preferably, dust collector includes the fixed plate, fixed mounting has the spout on the position of fixed plate one side and near the top, the inside movable mounting of spout has the dust remover, fixed mounting has the regulation pole and adjusts the pole and cup joints with the regulation lagging activity on the position that dust remover surface two surveys near the top, fixed mounting has the atomizing pipe on the position that the pole surface just is close to the top, the one end fixed mounting of atomizing pipe has the feed pipe, the one end fixedly connected with hydraulic press of feed pipe, the top of mounting panel is installed with the equal fixed mounting of hydraulic press to fixed plate and hydraulic press.

Preferably, the output end of the inductor is connected with the input end of the hydraulic machine in a signal connection mode.

The invention has the following beneficial effects:

1. the fixing seat is fixedly arranged at one end of the output shaft of the telescopic machine, the power machine is fixedly arranged at the top of the fixing seat, the clamping plate is fixedly arranged at one end of the output shaft of the power machine, and the circular saw blade is fixedly sleeved on the outer surface of the clamping plate, so that the telescopic machine can control the extending height of the circular saw blade from a processing surface by adjusting the fixing seat, further wood with different thicknesses is processed, the practicability of the device is improved, meanwhile, the problem that the rotating resistance is too large due to the fact that the contact surface of the circular saw blade and the wood is too large because the extending height of the circular saw blade is larger than the thickness of the wood is avoided, and the power output efficiency of the device is improved.

2. The invention has the advantages that the adjusting rods are fixedly arranged on the two positions on the outer surface of the dust remover close to the top, and are movably sleeved with the adjusting sleeve plate, the adjusting device is fixedly arranged on one side of the fixed seat, so that the adjusting device can be driven to synchronously move in the process of driving the fixed seat to adjust by the expansion machine, when the fixed seat is driven by the expansion machine to move along the vertical upward direction, the adjusting rod is movably sleeved with the adjusting sleeve plate, so that the height of the adjusting rod synchronously changes along with the height of the adjusting sleeve plate, the bottom of the dust remover moves towards one end far away from the hydraulic machine due to the length of the adjusting rod being a fixed value, the included angle between the axis of the dust remover and the vertical plane is reduced, and the included angle between the tangent line between the circular saw blade and the wood plate and the vertical plane is also reduced when the circular saw blade is driven by the expansion machine to synchronously rise, this makes the dust remover can correspond with the tangential direction of circular saw blade and plank to date constantly to can the at utmost be absorbed by the dust remover when the saw-dust is thrown along tangential direction when having guaranteed the circular saw blade cutting plank, thereby avoid the circular saw blade highly change the back because the angle that the saw-dust was shed changes and makes a large amount of saw-dusts normally by the absorptive problem of dust remover, improved the device's dust removal ability.

3. According to the invention, the hydraulic machine is fixedly connected with one end of the liquid supply pipe, so that the hydraulic machine pressurizes the liquid and transports the liquid to the inside of the atomizing pipe through the liquid supply pipe, and dust fall is carried out on generated fine suspended wood dust under the action of atomization and ejection of the atomizing pipe, and the dust removal capacity of the device is further improved.

4. The invention is characterized in that a transmission device is fixedly arranged at one end of an output shaft of a speed reducer, so that the output rotating speed of the speed reducer is far less than that of a clamping plate after the speed reducer performs over-reduction treatment, the high rotating speed of the clamping plate is transmitted to a driving shaft after the speed reducer performs over-reduction treatment, the driving shaft is driven to rotate, a belt pulley is driven to rotate, and a permanent magnet is driven to synchronously displace, when the permanent magnet is in a motion state relative to a limiting block, the limiting block generates induced current under the condition of electromagnetic induction, if the feeding speed of wood cutting is equal to the moving speed of the permanent magnet, the permanent magnet and the limiting block are in a relative static state, the limiting block does not generate induced current, if the feeding speed of the wood cutting is greater than the moving speed of the permanent magnet, the permanent magnet and the limiting block are in a motion state, thereby make the inside induced current that produces of stopper, and this induced current can be sensed by the inductor, the intensity signal transmission of the electric current that the inductor sensed gives the hydraulic press, the operating power of hydraulic press self receives the direct influence of the electric current intensity size that the inductor sensed, the saw-dust that then produces is more if ligneous feed rate is fast, and the induced current intensity that the stroke pole produced is big more, thereby the operating power that makes the hydraulic press also improves in step, thereby the operating power of assurance hydraulic press can be along with the saw-dust quantity self-adjustment that the cutting in-process produced, the automation of the device has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic view of the inventive structure etch;

FIG. 4 is a schematic cross-sectional view taken along the direction A in FIG. 3 according to the present invention;

FIG. 5 is a schematic cross-sectional view taken along the direction B in FIG. 3 according to the present invention;

FIG. 6 is a schematic cross-sectional view taken along the direction C in FIG. 3 according to the present invention;

FIG. 7 is an enlarged view of the point D in FIG. 5 illustrating the present invention;

FIG. 8 is a schematic view of a structural adjustment device of the present invention;

FIG. 9 is a schematic view of a transmission of the present invention;

FIG. 10 is a schematic view of a structural stroke device of the present invention;

FIG. 11 is a schematic view of a dust removing apparatus according to the present invention;

FIG. 12 is a schematic cross-sectional view of a dust removing device of the present invention.

In the figure: 1. processing the dough; 2. a table corner; 3. mounting a plate; 4. a compressor; 5. a fixed seat; 6. a power machine; 7. a splint; 8. a circular saw blade; 9. an adjustment device; 91. an adjusting seat; 92. sawing a groove; 93. connecting columns; 94. a connecting strip; 95. a sleeved rod; 96. a dust cover; 97. adjusting the sleeve plate; 10. a connecting plate; 11. a speed reducer; 12. a transmission device; 121. a drive shaft; 122. a support plate I; 123. a belt pulley; 124. a permanent magnet; 125. a driven shaft; 126. a support plate II; 13. a stroke device; 131. a limiting block; 132. a trip lever; 133. an inductor; 134. sheathing; 14. a dust removal device; 141. a fixing plate 142, a chute; 143. a dust remover; 144. adjusting a rod; 145. an atomizing tube; 146. a liquid supply tube; 147. a hydraulic press; 15. a resetting device; 151. a reset tube; 152. a reset lever; 153. a stroke stopping plate; 154. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a dust suction device for a woodworking sliding table saw comprises a processing surface 1, a table corner 2 is fixedly installed at a position, close to two sides, of the bottom of the processing surface 1, a mounting plate 3 is fixedly installed at a position, close to the bottom, of one side of the table corner 2, a telescopic machine 4 is fixedly installed at a position, close to one side, of the top of the mounting plate 3, a fixing seat 5 is fixedly installed at one end of an output shaft of the telescopic machine 4, a power machine 6 is fixedly installed at the top of the fixing seat 5, a clamping plate 7 is fixedly installed at one end of the output shaft of the power machine 6, a circular saw blade 8 is sleeved on the outer surface of the clamping plate 7, the telescopic machine 4 can control the height of the circular saw blade 8 extending out of the processing surface 1 by adjusting the fixing seat 5, further processing of woods with different thicknesses is achieved, the practicability of the device is improved, and meanwhile, the phenomenon that the received rotation resistance force caused by the fact that the contact surface of the circular saw blade 8 and the woods is too large due to the fact that the extending out height of the circular saw blade 8 is larger than the thickness of the woods is avoided Too big problem, the power take off efficiency of the device is improved, one side fixed mounting of fixing base 5 has adjusting device 9, one side fixed mounting of adjusting device 9 has connecting plate 10, the top fixed mounting of connecting plate 10 has reduction gear 11 and reduction gear 11 to be connected with splint 7, the one end fixed mounting of reduction gear 11 output shaft has transmission 12, make reduction gear 11 advance the rotational speed that the deceleration was handled and is made the rotational speed of reduction gear 11 output far be less than the rotational speed of splint 7, stroke device 13 has been cup jointed in the top activity of transmission 12, dust collector 14 and dust collector 14 fixed mounting have been cup jointed in the top of mounting panel 3 in the activity on adjusting device 9 one side and the position that is close to the top, fixed mounting has resetting means 15 and resetting means 15 is corresponding with stroke device 13 on the position that 2 opposite side is close to the top.

Referring to fig. 8, the adjusting device 9 includes an adjusting seat 91, a saw groove 92 is formed in the top of the adjusting seat 91, a connecting post 93 is fixedly mounted at a position of the top of the adjusting seat 91, which is located on one side of the saw groove 92, a connecting strip 94 is fixedly mounted at the top of the connecting post 93, a sleeve rod 95 is fixedly mounted at the top of the connecting strip 94, a dust cover 96 is movably sleeved on the outer surface of the sleeve rod 95, an adjusting sleeve plate 97 is fixedly mounted at a position of the top of the adjusting seat 91, which is located on the other side of the saw groove 92, and a dust removing device 14 is movably sleeved at the top of the adjusting sleeve plate 97.

Referring to fig. 7, the reset device 15 includes a reset tube 151, a reset rod 152 is fixedly mounted at the bottom of the reset tube 151, the reset rod 152 penetrates through the table corner 2, a stop plate 153 is fixedly mounted at one end of the reset rod 152, the axes of the reset rod 152 and the stop plate 153 and the axis of the stroke device 13 are located on the same center line, and a reset spring 154 is fixedly mounted at a position on one side of the stop plate 153 and outside the reset rod 152.

Referring to fig. 1-6 and 9, the transmission device 12 includes a driving shaft 121, the driving shaft 121 is connected to one end of an output shaft of the speed reducer 11, the speed reducer 11 transmits the high rotation speed of the clamp plate 7 to the driving shaft 121 after the speed reduction, and drives the driving shaft 121 to rotate, thereby drive belt pulley 123 and rotate, thereby drive permanent magnet 124 and carry out the displacement in step, driving shaft 121 one end and the activity that is located the surface have cup jointed backup pad I122, driving shaft 121's surface activity has cup jointed belt pulley 123, belt pulley 123's fixed surface installs permanent magnet 124 and distributes along belt pulley 123 surface array, driven shaft 125 has been cup jointed in the internal surface activity of belt pulley 123, backup pad II 126 has been cup jointed in the both ends activity of driven shaft 125, the top at mounting panel 3 is fixed mounting to I122 of backup pad and II 126 of backup pad, the equal fixed mounting in top of I122 of backup pad and II 126 of backup pad has stroke device 13.

Referring to fig. 9-10, the stroke device 13 includes a limiting block 131, such that when the permanent magnet 124 is in a moving state relative to the limiting block 131, the limiting block 131 generates an induced current under the condition of electromagnetic induction, if the feeding speed of the wood cutting is equal to the moving speed of the permanent magnet 124, the permanent magnet 124 and the limiting block 131 are in a relatively stationary state, such that the limiting block 131 does not generate an induced current, if the feeding speed of the wood cutting is greater than the moving speed of the permanent magnet 124, the permanent magnet 124 and the limiting block 131 are in a moving state, such that the induced current is generated inside the limiting block 131, and is induced by the inductor 133, the number of the limiting blocks 131 is two, and the two limiting blocks 131 are respectively and fixedly mounted with the support plate i 122 and the support plate ii 126, the stroke rod 132 is movably sleeved on one side of the limiting block 131 and at the center, one end of the stroke rod 132 is fixedly provided with an inductor 133, one end of the inductor 133 is fixedly provided with a sleeve plate 134, and the sleeve plate 134 is matched with the processing surface 1.

Referring to fig. 1-6 and 11-12, the dust removing device 14 includes a fixing plate 141, a sliding groove 142 is fixedly installed on a position on one side of the fixing plate 141 and near the top, a dust remover 143 is movably installed inside the sliding groove 142, adjusting rods 144 are fixedly installed on positions on two sides of the outer surface of the dust remover 143 near the top, the adjusting rods 144 are movably sleeved with an adjusting sleeve 97, since an adjusting device 9 is fixedly installed on one side of a fixing base 5, the adjusting device 9 is driven to move synchronously in the process that the telescopic machine 4 drives the fixing base 5 to move in a vertical upward direction, when the telescopic machine 4 drives the fixing base 5 to move in the vertical upward direction, the height of the adjusting rods 144 is synchronously changed along with the height of the adjusting sleeve 97 by movably sleeved of the adjusting rods 144, and since the length of the adjusting rods 144 is a fixed value, the bottom of the dust remover 143 moves toward one end far from the hydraulic machine 147, the included angle between the axis of the dust remover 143 and the vertical plane is reduced, and the included angle between the tangent between the circular saw blade 8 and the wood board and the vertical plane is also reduced when the circular saw blade 8 is driven by the telescopic machine 4 to be lifted synchronously, so that the dust remover 143 can correspond to the tangent direction of the circular saw blade 8 and the wood board at present, thereby ensuring that the sawdust can be absorbed by the dust remover 143 to the maximum extent when being thrown out along the tangent direction when the circular saw blade 8 cuts the wood board, avoiding the problem that a large amount of sawdust can not be absorbed by the dust remover 143 normally due to the change of the angle of the sawdust throwing after the height of the circular saw blade 8 is changed, improving the dust removing capability of the device, the atomizing pipe 145 is fixedly installed on the position of the outer surface of the adjusting rod 144 and close to the top, the liquid supply pipe 146 is fixedly installed at one end of the atomizing pipe 145, the hydraulic machine 147 is fixedly connected to one end of the liquid supply pipe 146, and the hydraulic machine 147 pressurizes the liquid and transports the liquid to the inside of the atomizing pipe 145 through the liquid supply pipe, and the generated fine suspended sawdust is subjected to dust fall under the action of atomization and ejection of the atomization pipe 145, so that the dust removal capacity of the device is further improved, and the top of the mounting plate 3 is fixedly mounted on both the fixing plate 141 and the hydraulic press 147.

Referring to fig. 10 to 12, the output end of the sensor 133 is connected to the input end of the hydraulic press 147 through signal connection, so that the intensity signal of the current sensed by the sensor 133 is transmitted to the hydraulic press 147, the operation power of the hydraulic press 147 is directly influenced by the magnitude of the current sensed by the sensor 133, if the feeding speed of the wood is faster, more wood chips are generated, and the intensity of the induced current generated by the stroke rod 132 is higher, so that the operation power of the hydraulic press 147 is also synchronously increased, thereby ensuring that the operation power of the hydraulic press 147 can be automatically adjusted along with the quantity of the wood chips generated in the cutting process, and improving the automation of the device.

The using method of the invention is as follows:

in the using process, the telescopic machine 4 can control the extending height of the circular saw blade 8 from the processing surface 1 by adjusting the fixing seat 5, so as to process wood with different thicknesses, because the adjusting device 9 is fixedly installed on one side of the fixing seat 5, the adjusting device 9 can be driven to synchronously move in the process that the telescopic machine 4 drives the fixing seat 5 to adjust, when the telescopic machine 4 drives the fixing seat 5 to move along the vertical upward direction, the adjusting rod 144 is movably sleeved with the adjusting sleeve plate 97 at the moment, so that the height of the adjusting rod 144 synchronously changes along with the change of the height of the adjusting sleeve plate 97, because the length of the adjusting rod 144 is a fixed value, the bottom of the dust remover 143 moves towards one end far away from the hydraulic machine 147, the included angle between the axis of the dust remover 143 and the vertical plane is reduced, and the included angle between the tangent line between the circular saw blade 8 and the wood board and the vertical plane is also reduced when the telescopic machine 4 drives the circular saw blade 8 to synchronously rise, this makes dust remover 143 can correspond with the tangential direction of circular saw blade 8 and plank to date constantly, thereby saw-dust can be absorbed by dust remover 143 by the at utmost when having guaranteed that the saw-dust is thrown out along the tangential direction when circular saw blade 8 cuts the plank, hydraulic press 147 pressurizes and transports the inside of atomizing pipe 145 through feed pipe 146, and carry out the dust fall to the tiny saw-dust that suspends of production under atomizing ejection's effect at atomizing pipe 145, reduction gear 11 advances the high rotational speed of splint 7 behind the deceleration and transmits to driving shaft 121 and drive driving shaft 121 and rotate, thereby drive belt pulley 123 and rotate, thereby drive permanent magnet 124 and carry out the displacement in step, when permanent magnet 124 is in the motion state for stopper 131, stopper 131 can be induced-current in the poor under the electromagnetic induction condition this moment, if the feed rate of wood cutting equals permanent magnet 124 self moving speed at this moment, make permanent magnet 124 and stopper 131 be in the relative quiescent state makes stopper 131 self can not produce the sense The current is applied, if the feeding speed of the wood cutting is greater than the moving speed of the permanent magnet 124, the permanent magnet 124 and the limiting block 131 are in a moving state, so that induced current is generated inside the limiting block 131, the induced current is sensed by the sensor 133, an intensity signal of the current sensed by the sensor 133 is transmitted to the hydraulic machine 147, the operating power of the hydraulic machine 147 is directly influenced by the intensity of the current sensed by the sensor 133, the more wood chips are generated if the feeding speed of the wood is higher, the greater the intensity of the induced current generated by the stroke rod 132 is, the operating power of the hydraulic machine 147 is synchronously increased, the operating power of the hydraulic machine 147 is automatically adjusted along with the number of the wood chips generated in the cutting process, and the automation of the device is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dust extraction for carpenter's sliding table saw, includes machined surface (1), its characterized in that: fixed mounting has a table angle (2) on the position that machined surface (1) bottom is close to both sides, fixed mounting has mounting panel (3) on the position that table angle (2) one side and be close to the bottom, fixed mounting has stretch out machine (4) on the position that mounting panel (3) top and be close to one side, the one end fixed mounting of stretch out machine (4) output shaft has fixing base (5), the top fixed mounting of fixing base (5) has engine (6), the one end fixed mounting of engine (6) output shaft has splint (7), the outer surface fixed hub connection of splint (7) has circular saw piece (8), one side fixed mounting of fixing base (5) has adjusting device (9), one side fixed mounting of adjusting device (9) has connecting plate (10), the top fixed mounting of connecting plate (10) has reduction gear (11) and reduction gear (11) to be connected with splint (7), one end fixed mounting of reduction gear (11) output shaft has transmission (12), stroke device (13) has been cup jointed in the top activity of transmission (12), adjusting device (9) one side just is close to the top on the position activity cup jointed dust collector (14) and dust collector (14) fixed mounting at the top of mounting panel (3), fixed mounting has resetting means (15) and stroke device (13) are corresponding on the position that table angle (2) opposite side is close to the top.

2. A dust extraction apparatus for a woodworking push bench saw as claimed in claim 1, wherein: adjusting device (9) is including adjusting seat (91), saw groove (92) have been seted up at the top of adjusting seat (91), fixed mounting has spliced pole (93) on the position that adjusts seat (91) top is located saw groove (92) one side, the top fixed mounting of spliced pole (93) has connecting strip (94), the top fixed mounting of connecting strip (94) has cup jointed pole (95), dust cover (96) have been cup jointed in the surface activity of cup jointing pole (95), fixed mounting has regulation lagging (97) on the position that adjusts seat (91) top is located saw groove (92) opposite side, dust collector (14) have been cup jointed in the top activity of regulation lagging (97).

3. A dust extraction apparatus for a woodworking push bench saw as claimed in claim 2, wherein: resetting means (15) are including reset tube (151), the bottom fixed mounting of reset tube (151) has release link (152) and release link (152) to run through table angle (2), the one end fixed mounting of release link (152) has only journey board (153), the axis of release link (152) and only journey board (153) is located same central line with the axis of stroke device (13), only journey board (153) one side and be located on the position in the release link (152) outside fixed mounting have reset spring (154).

4. A dust extraction apparatus for a woodworking push bench saw as claimed in claim 3, wherein: the transmission device (12) comprises a driving shaft (121), the driving shaft (121) is connected with one end of an output shaft of the speed reducer (11), a support plate I (122) is movably sleeved at one end of the driving shaft (121) and positioned on the outer surface, the outer surface of the driving shaft (121) is movably sleeved with a belt pulley (123), the outer surface of the belt pulley (123) is fixedly provided with permanent magnets (124), and the permanent magnets (124) are distributed along the outer surface of the belt pulley (123) in an array manner, the inner surface of the belt pulley (123) is movably sleeved with a driven shaft (125), two ends of the driven shaft (125) are movably sleeved with supporting plates II (126), the support plate I (122) and the support plate II (126) are fixedly arranged at the top of the mounting plate (3), and stroke devices (13) are fixedly mounted at the tops of the support plate I (122) and the support plate II (126).

5. A dust extraction apparatus for a woodworking push bench saw as claimed in claim 4, wherein: stroke device (13) include stopper (131), the quantity of stopper (131) be two and respectively with backup pad I (122) and backup pad II (126) fixed mounting, stroke pole (132) have been cup jointed in the activity on the position at one side of stopper (131) and lie in the center, the one end fixed mounting of stroke pole (132) has inductor (133), the one end fixed mounting of inductor (133) has lagging (134), and lagging (134) and processing face (1) cooperate.

6. A dust extraction apparatus for a woodworking push bench saw as claimed in claim 5, wherein: dust collector (14) includes fixed plate (141), fixed plate (141) one side and be close to fixed mounting on the position at top have spout (142), the inside movable mounting of spout (142) has dust remover (143), fixed mounting has regulation pole (144) and adjusts lagging (97) swing joint on the position that dust remover (143) surface two surveys and be close to the top, fixed mounting has atomizing pipe (145) on adjusting pole (144) surface and being close to the position at top, the one end fixed mounting of atomizing pipe (145) has feed pipe (146), the one end fixedly connected with hydraulic press (147) of feed pipe (146), the equal fixed mounting in fixed plate (141) and hydraulic press (147) has the top of mounting panel (3).

7. A dust extraction apparatus for a woodworking push bench saw as claimed in claim 6, wherein: the output end of the inductor (133) is connected with the input end of the hydraulic machine (147) in a signal connection mode.