CN212445615U

CN212445615U - Pressing mechanism of woodworking sawing machine for decoration

Info

Publication number: CN212445615U
Application number: CN202020696397.3U
Authority: CN
Inventors: 阮佳薇; 管秉友; 张翔峰; 管秉波; 贺洁; 王刚; 王军
Original assignee: Taizhou Bosheng Construction Co ltd
Current assignee: Taizhou Bosheng Construction Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-02-02
Anticipated expiration: 2030-04-29

Abstract

The utility model provides a pressing mechanism of carpenter's sawing machine is used to fitment belongs to fitment technical field. The wood sawing machine solves the technical problems that when an existing wood sawing machine cuts, a hand is required to press the position of wood close to a saw disc, and the like. This carpenter's sawing machine is used to fitment includes the workstation and installs the electric saw in the workstation below, the breach has been seted up at the middle part of workstation, the saw disc and the breach of electric saw align, be fixed with the installing support on the workstation, the installing support is including the crossbeam that is located the workstation top, hold-down mechanism includes two pinch roller and elastic support, elastic support connects on the crossbeam, two elastic support are located the breach both sides respectively, elastic support includes the link, fix screw rod and the spring on the link, pinch roller connects the downside at the link that corresponds and pinch roller's downside protrusion link, the screw rod is vertical to be passed the crossbeam, the spiro union has adjusting nut on one section of screw rod upper end, the spring housing is on the screw rod. The utility model has the advantages of improve the security.

Description

Pressing mechanism of woodworking sawing machine for decoration

Technical Field

The utility model belongs to the technical field of the fitment, a carpenter's sawing machine is used to the fitment is related to, especially a hold-down mechanism of carpenter's sawing machine is used to the fitment.

Background

The common tool for woodworkers during decoration during the woodworking sawing machine is used, the base material needs to be cut into wood with required size for use during the woodworker decoration process, and the wood is cut by adopting the woodworking sawing machine; the sawing machine that generally adopts the electric saw cutting during present fitment, the electric saw is fixed on the workstation, and the workstation is stretched out to the saw dish upper end of electric saw, and the workman places the timber that needs the cutting on the workstation and promotes timber and remove the realization cutting to the saw dish. The existing sawing machine needs to compress wood in the cutting process to avoid the wood from jumping, so that a worker needs to press the wood at a position close to a saw disc by hand, and meanwhile, the worker needs to push the wood towards the saw disc by hand, so that potential safety hazards exist; meanwhile, an electric saw of the existing sawing machine is fixed on the workbench, namely the upper end of the saw disc always protrudes out of the workbench, the saw disc is provided with sharp teeth, and the protruded saw disc has potential safety hazards when not used; furthermore, the existing sawing machines assembled on site are generally simple in structure and do not have dust removal structures, and only large sawing machines are provided, but some small construction sites do not use the large sawing machines, namely the existing simple sawing machines have the condition that dust flies to pollute construction environments during construction.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a hold-down mechanism of carpenter's sawing machine for fitment, the utility model provides a technical problem is the security when improving the cutting.

The purpose of the utility model can be realized by the following technical proposal:

a pressing mechanism of a woodworking sawing machine for decoration comprises a workbench and an electric saw arranged below the workbench, wherein one end of the workbench is a feeding end, the other end of the workbench is a discharging end, a notch is formed in the middle of the workbench, a saw disc of the electric saw is aligned with the notch, a mounting bracket is fixed on the workbench and comprises a cross beam positioned above the workbench, the woodworking sawing machine is characterized in that the pressing mechanism comprises two pressing rollers and an elastic bracket, the elastic bracket is connected to the cross beam, the two elastic brackets are respectively positioned on two sides of the notch, the elastic bracket comprises a connecting frame, a screw rod and a spring, the pressing rollers are connected to the corresponding connecting frame, the lower sides of the pressing rollers protrude out of the lower sides of the connecting frame, the screw rod vertically penetrates through the cross beam, and an adjusting nut is screwed on one section of the screw rod positioned at the upper end of the cross beam, the spring is sleeved on the screw rod, the lower end of the spring is abutted against the connecting frame, and the upper end of the spring is abutted against the cross beam.

The interval accessible adjusting nut between the mesa of pressure roller and workstation is adjusted, and the spring can make pressure roller elasticity compress tightly on timber, adjusts according to the different ligneous thickness of cutting for timber can be compressed tightly when passing through, also can smoothly pass through, reaches elasticity and compresses tightly timber, avoids the wood cutting in-process to jump, need not the staff when just cutting timber simultaneously and compresses tightly the position that is close to the saw disc at timber, has improved the security.

In the pressing mechanism of the wood sawing machine for decoration, the pressing rollers comprise a pressing section and a backer section, the diameter of the backer section is larger than that of the pressing section, the backer section is positioned at the outer side of the pressing section, and the two pressing rollers are arranged in a mirror image mode. When the pressing section is in actual use, the pressing section is pressed on the upper surface of the wood, the backer section is used as a backer, and the side surface of the wood is attached to the side surface of the backer section, so that the position of the wood can be positioned.

In the pressing mechanism of the wood sawing machine for decoration, the beam is provided with the elongated adjusting hole along the length direction, the two sliding blocks are connected in the adjusting hole of the beam in a sliding manner, and the elastic support is connected to the sliding blocks. The position of the pressing roller can be adjusted through the sliding block, the position of the pressing roller is adjusted according to the actual cutting requirement, one side of the pressing roller is always attached to the mountain leaning section of the adjusting roller during wood cutting, wood with different widths and sizes can be cut, and the pressing sections of the two pressing rollers can be pressed on the wood with different sizes by adjusting the position of the pressing roller.

In foretell hold-down mechanism of carpenter's sawing machine for fitment, the step has all been seted up to the both sides upper limb of regulation hole, the both sides of slider all have the bulge, the bulge is taken on the step that corresponds, be fixed with on the crossbeam and press the layering of side on the bulge, a plurality of top along length direction has been seted up on the layering and has leaned on the hole, and the interval between the adjacent top is leaned on the hole is less than the length of slider, still be equipped with the top on the layering and lean on the bolt, the top is leaned on the bolt spiro union on the top that aligns with the bulge and is leaned on the bulge. Through above-mentioned structure can make slider sliding connection on the crossbeam to make the slider rigidity in upper and lower direction, can bear the reaction force that the pressure roller compressed tightly on timber, lean on the bolt through the top simultaneously and can make slider rigidity, make the backer section of pressure roller can align with ligneous side.

In the hold-down mechanism of the wood sawing machine for decoration, the connecting frame is further fixed with two positioning rods, the two positioning rods are respectively positioned at the left side and the right side of the screw rod, and the positioning rods penetrate through the sliding block. Through the locating lever can strengthen the link along the stability of compressing tightly gyro wheel axis direction, avoid compressing tightly the gyro wheel and swing along the axis direction to guarantee compressing tightly the fixed of the mountain section position of gyro wheel.

In foretell hold-down mechanism of carpenter's sawing machine for fitment, seted up a plurality of mounting holes on the workstation, releasable connection has the bull's eye bearing in the mounting hole, the mesa of the upside protrusion workstation of the ball of bull's eye bearing. When the plate is cut, the bull eye bearing is arranged in the mounting hole, and the plate is in contact with the balls of the bull eye bearing, so that the friction resistance on the plate during moving can be reduced, and the plate is convenient to move; and taking down the bull eye bearing when cutting the wood strips.

In the pressing mechanism of the wood sawing machine for decoration, the mounting hole is a counter bore, the bull eye bearing is in a disc shape, and the bull eye bearing is placed on the mounting hole. The bull's eye bearing of dish form is the product that can buy on the market, can hold the bull's eye bearing for the mounting hole of counter bore, and panel pressure is on the bull's eye bearing, therefore the bull's eye bearing place on the mounting hole can, simple structure and installation take the convenience.

Compared with the prior art, this hold-down mechanism of carpenter's sawing machine for fitment has makes the hand keep away from the saw disc when the cutting, has improved the advantage of security.

Drawings

Fig. 1 is a schematic sectional view of the saw disc of the woodworking sawing machine extending out of the notch.

Fig. 2 is a schematic sectional view of the saw disc of the woodworking sawing machine retracted into the notch.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

FIG. 4 is a cross-sectional structural view of the mounting bracket attached to the table.

In the figure, 1, a workbench; 11. a notch; 12. mounting holes; 13. a bull's eye bearing; 2. mounting a bracket; 21. a chuck; 211. an upper clamp; 212. a lower clamp; 213. locking the nut; 22. a vertical rod; 23. a cross beam; 231. an adjustment hole; 232. layering; 233. a jacking bolt; 24. a stringer; 3. pressing the roller; 31. a compacting section; 32. a hill-leaning section; 4. an elastic support; 41. a connecting frame; 42. a screw; 43. a spring; 44. adjusting the nut; 45. a slider; 451. a projection; 46. positioning a rod; 5. a guide bar; 51. a fixing plate; 52. a second air cylinder; 53. a lifting frame; 54. electric sawing; 55. a guide sleeve; 56. a protective cover; 57. a cooling tube; 6. a cover; 61. a dust-proof skirt; 62. a dust collection pipe; 63. and a first cylinder.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, the carpentry sawing machine for decoration comprises a workbench 1 and an electric saw 54 installed below the workbench 1, wherein one end of the workbench 1 is a feeding end, the other end of the workbench 1 is a discharging end, a gap 11 is formed in the middle of the workbench 1, the workbench 1 can be built on site, namely, the workbench 1 is made of wood boards and wood strips, and the gap 11 on the workbench 1 is formed by cutting on site.

A plurality of mounting holes 12 have been seted up on workstation 1, releasable connection has a bull's eye bearing 13 in the mounting hole 12, and mounting hole 12 is the counter bore, and bull's eye bearing 13 is the dish form, and bull's eye bearing 13 places on mounting hole 12. The upper sides of the balls of the bull's eye bearing 13 protrude out of the table top of the table 1. When the plate is cut, the bull eye bearing 13 is arranged in the mounting hole 12, and the plate is in contact with the balls of the bull eye bearing 13, so that the friction resistance on the plate during moving can be reduced, and the plate is convenient to move; and taking down the bull eye bearing 13 when cutting the wood strips. The dish-shaped bull's eye bearing 13 is a product that can be bought on the market, can hold bull's eye bearing 13 for the mounting hole 12 of counter bore, and the panel is pressed on bull's eye bearing 13, therefore bull's eye bearing 13 place on mounting hole 12 can, simple structure and installation take conveniently.

The saw disc of electric saw 54 aligns with breach 11, be fixed with installing support 2 on the workstation 1, install the shroud 6 that is located the top of breach 11 and can cover breach 11 on the installing support 2, still be equipped with the hold-down mechanism that is located the position that is close to breach 11 between feed end and the breach 11 and can compress tightly the plank on the installing support 2, the below of workstation 1 is equipped with and can drives electric saw 54 to shift up and make the saw disc upper end of electric saw 54 pass breach 11 and be located workstation 1 top or drive electric saw 54 and move down and make the saw disc of electric saw 54 be located the elevating system of workstation 1 below.

The mounting bracket 2 comprises four clamping heads 21, vertical rods 22 fixed on the clamping heads 21, cross beams 23 located between two corresponding vertical rods 22 and longitudinal beams 24 located between two cross beams 23, each clamping head 21 comprises an upper clamping piece 211 and a lower clamping piece 212, each upper clamping piece 211 is in an L shape, one section of each upper clamping piece 211 is parallel to the corresponding lower clamping piece 212, the other section of each upper clamping piece 211 penetrates through the corresponding lower clamping piece 212, one end, penetrating through the corresponding lower clamping piece 212, of each upper clamping piece 211 is connected with a locking nut 213 in a threaded mode, each vertical rod 22 is vertically fixed on the corresponding lower clamping piece 212, two ends of each cross beam 23 are erected at the upper end of the corresponding vertical rod 22 and fixed through bolts, the two cross beams 23 are located on the front side and the rear side of the gap 11 respectively, a pressing mechanism is mounted on the cross beam 23 located in front. The upper and

lower clamping members

211 and 212 are clamped to the table 1 by a locking nut 213, and can be easily assembled in use.

And a first cylinder 63 is fixed on the longitudinal beam 24 right above the gap 11, the first cylinder 63 is vertically arranged, and the upper end of the cover cap 6 is fixed with an expansion rod of the first cylinder 63. The wood has different thicknesses, and the distance between the cover 6 and the workbench 1 can be adjusted through the first air cylinder 63. The lower edge of the cover cap 6 is fixed with a dustproof skirt 61, and the dustproof skirt 61 is surrounded by a plurality of cloth strips. The cover 6 is communicated with a dust suction pipe 62, and the dust suction pipe 62 is connected with a dust collector. When wood enters the gap 11, the lower end of the dust skirt 61 abuts against the wood, and the cover 6 covers the wood cutting position to form a closed space, so that dust generated by cutting is prevented from flying out. The dust generated in the cover 6 can be absorbed and filtered by the dust collector, and meanwhile, negative pressure is formed in the cover 6.

Hold-down mechanism includes two pressure roller 3 and elastic support 4, elastic support 4 connects on crossbeam 23, two elastic support 4 are located breach 11 both sides respectively, elastic support 4 includes link 41, fix screw rod 42 and spring 43 on link 41, pressure roller 3 connects the downside that link 41 and pressure roller 3's downside salient link 41 that corresponds, screw rod 42 is vertical to be passed installing support 2, screw rod 42 has an adjusting nut 44 in the spiro union on being located one section of installing support 2's upper end, spring 43 overlaps on screw rod 42, the lower extreme of spring 43 supports on link 41, the upper end of spring 43 supports on installing support 2. The interval accessible adjusting nut 44 between the mesa of pressure roller 3 and workstation 1 is adjusted, and spring 43 can make pressure roller 3 elasticity compress tightly on timber, adjusts according to the different ligneous thickness of cutting for timber can be compressed tightly when passing through, also can smoothly pass through, reaches elasticity and compresses tightly timber, avoids the timber cutting in-process to jump, just need not the staff when cutting timber simultaneously and compresses tightly the position that is close to the saw disc at timber, has improved the security.

The pressing roller 3 comprises a pressing section 31 and an backer section 32, the diameter of the backer section 32 is larger than that of the pressing section 31, the backer section 32 is positioned at the outer side of the pressing section 31, and the two pressing rollers 3 are arranged in a mirror image mode. In actual use, the pressing section 31 presses on the upper surface of the wood, the backer section 32 is used as a backer, and the side surface of the wood is attached to the side surface of the backer section 32, so that the position of the wood can be positioned.

The crossbeam 23 is provided with a long-strip-shaped adjusting hole 231 along the length direction, the adjusting hole 231 of the crossbeam 23 is connected with two sliders 45 in a sliding manner, and the elastic support 4 is connected to the sliders 45. The step has all been seted up along the both sides of regulation hole 231 on the border, the both sides of slider 45 all have bulge 451, bulge 451 takes on the step that corresponds, be fixed with on crossbeam 23 and press the layering 232 of the side on bulge 451, a plurality of top lean on the hole has been seted up along length direction on layering 232, interval between the adjacent top lean on the hole is less than the length of slider 45, still be equipped with top on layering 232 and lean on bolt 233, top lean on bolt 233 spiro union on the top lean on the hole of aliging with bulge 451 and top on bulge 451. Two positioning rods 46 are fixed on the connecting frame 41, the two positioning rods 46 are respectively positioned at the left side and the right side of the screw rod 42, and the positioning rods 46 penetrate through the sliding blocks 45. Can adjust the position that compresses tightly gyro wheel 3 through slider 45, according to the needs of actual cutting, adjust the position that compresses tightly gyro wheel 3 for one side pastes with adjusting roller's back mountain section 32 all the time and leans on during wood cutting, can cut the timber of not equidimension, and the position of adjusting simultaneously and compressing tightly gyro wheel 3 can make two sections 31 that compress tightly gyro wheel 3 can press on the timber of equidimension not. Through the structure, the sliding block 45 can be connected on the cross beam 23 in a sliding mode, the sliding block 45 is fixed in position in the up-down direction, the reaction force of the pressing roller 3 pressed on wood can be borne, meanwhile, the sliding block 45 can be fixed in position through the jacking bolt 233, and the backer section 32 of the pressing roller 3 can be aligned with the side edge of the wood. The stability of the connecting frame 41 along the axial direction of the pressing roller 3 can be enhanced by the positioning rod 46, and the pressing roller 3 is prevented from swinging along the axial direction, so that the fixation of the position of the backer section 32 of the pressing roller 3 is ensured.

The lifting mechanism comprises a plurality of guide rods 5 vertically fixed below the workbench 1, a fixing plate 51 fixed at the lower end of each guide rod 5 and a second cylinder 52 vertically fixed on the fixing plate 51, a fixing hole for the upper end of each guide rod 5 to penetrate is formed in the workbench 1, each fixing hole is a counter bore, the upper end of each guide rod 5 is screwed with two fixing nuts, one fixing nut abuts against the lower side face of the workbench 1, and the other fixing nut is located in the counter bore. The electric saw 54 is fixed on the lifting frame 53, the lifting frame 53 is positioned right above the second air cylinder 52, the telescopic rod of the second air cylinder 52 is connected with the bottom of the lifting frame 53, two sides of the lifting frame 53 are respectively provided with a guide sleeve 55, and the guide sleeves 55 are sleeved on the corresponding guide rods 5. The lifting frame 53 is lifted up and down through the telescopic rod of the second air cylinder 52, so that the electric saw 54 is driven to lift up and down, and the saw disc is stretched relative to the notch 11 of the workbench 1. A silica gel sleeve is fixed on the inner side of the guide sleeve 55, and the inner diameter of the silica gel sleeve is larger than the diameter of the guide rod 5. The electric saw 54 can vibrate during operation, and plays a role in buffering through the silica gel sleeve; the inner diameter of the silica gel sleeve is 0.5mm larger than the diameter of the guide rod 5, lubricating oil is coated on the inner side of the silica gel sleeve when the silica gel sleeve is used, and the silica gel sleeve can be guaranteed to freely slide relative to the guide rod 5 through the structure.

The front side of the lifting frame 53 is fixed with a protective cover 56, the lower side of the saw disc is positioned in the protective cover 56, the protective cover 56 is connected with a cooling pipe 57, and the pipe orifice of the cooling pipe 57 faces the saw disc. The cooling pipe 57 is communicated with the air pump, air is pumped into the air pump through the air pump, the air is blown into the protective cover 56 through the cooling pipe 57 to cool the saw disc, the saw disc is cooled actively, the continuous cutting capacity of the saw disc is improved, the saw disc is protected, and the service life is prolonged.

When the wood sawing machine is used, cut wood enters from the feeding end of the workbench 1, the wood moves towards the notch 11 after passing through the pressing mechanism, at the moment, the electric saw 54 is moved upwards by the lifting mechanism, the upper end of a saw disc of the electric saw 54 penetrates through the notch 11 and is positioned above the workbench 1, the electric saw 54 starts the saw disc to rotate, the wood is contacted with the saw disc to realize cutting, the wood is pressed by the pressing mechanism in the cutting process, hands do not need to be close to the saw disc, the safety during sawing is improved, after the cutting is finished, the lifting mechanism drives the electric saw 54 to move downwards to hide the saw disc below the workbench 1, workers are prevented from contacting the saw disc, and the safety of the sawing machine is improved; the cover cap 6 can cover the cutting position when the saw disc is cut, thereby avoiding dust flying and reducing the dust pollution of the construction environment.

The first air cylinder 63, the second air cylinder 52 and the cooling pipe 57 are all communicated with the air pump, the power of the first air cylinder 63 and the second air cylinder 52 is provided by the air pump, the saw disc is cooled by opening or closing the electromagnetic valve between the air pump and the cooling pipe 57, and the control of the first air cylinder 63, the second air cylinder 52, the electric saw 54 and the electromagnetic valve is a conventional technical means and is not specifically described.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A pressing mechanism of a woodworking sawing machine for decoration comprises a workbench and an electric saw arranged below the workbench, wherein one end of the workbench is a feeding end, the other end of the workbench is a discharging end, a notch is formed in the middle of the workbench, a saw disc of the electric saw is aligned with the notch, a mounting bracket is fixed on the workbench and comprises a cross beam positioned above the workbench, the woodworking sawing machine is characterized in that the pressing mechanism comprises two pressing rollers and an elastic bracket, the elastic bracket is connected to the cross beam, the two elastic brackets are respectively positioned on two sides of the notch, the elastic bracket comprises a connecting frame, a screw rod and a spring, the pressing rollers are connected to the corresponding connecting frame, the lower sides of the pressing rollers protrude out of the lower sides of the connecting frame, the screw rod vertically penetrates through the cross beam, and an adjusting nut is screwed on one section of the screw rod positioned at the upper end of the cross beam, the spring is sleeved on the screw rod, the lower end of the spring is abutted against the connecting frame, and the upper end of the spring is abutted against the cross beam.

2. The clamping mechanism of a finishing woodworking saw machine as claimed in claim 1, wherein said clamping rollers comprise a clamping section and a backer section, the diameter of the backer section is greater than that of the clamping section, the backer section is located outside the clamping section, and the two clamping rollers are arranged in a mirror image.

3. The pressing mechanism of a woodworking sawing machine for finishing according to claim 1 or 2, wherein the beam is provided with a long strip-shaped adjusting hole along the length direction, two sliding blocks are connected in the adjusting hole of the beam in a sliding manner, and the elastic support is connected to the sliding blocks.

4. The pressing mechanism of a carpentry sawing machine for finishing according to claim 3, wherein steps are respectively formed on the upper edges of both sides of the adjusting hole, protrusions are respectively formed on both sides of the sliding block, the protrusions are lapped on the corresponding steps, a pressing strip capable of pressing the upper side surface of each protrusion is fixed on the cross beam, a plurality of abutting holes are formed in the pressing strip along the length direction, the distance between every two adjacent abutting holes is smaller than the length of the sliding block, an abutting bolt is further arranged on the pressing strip, and the abutting bolt is screwed on the abutting holes aligned with the protrusions and abuts against the protrusions.

5. The hold-down mechanism of a woodworking sawing machine for finishing according to claim 4, wherein two positioning rods are further fixed on the connecting frame, the two positioning rods are respectively positioned at the left side and the right side of the screw rod, and the positioning rods penetrate through the sliding blocks.

6. The pressing mechanism of a woodworking sawing machine for decoration according to claim 1 or 2, wherein the workbench is provided with a plurality of mounting holes, a bull's eye bearing is detachably connected in the mounting holes, and the upper side of a ball of the bull's eye bearing protrudes out of the table top of the workbench.

7. The clamping mechanism of a finishing woodworking saw machine as claimed in claim 6, wherein the mounting hole is a counter bore, the bull eye bearing is disc-shaped, and the bull eye bearing is placed on the mounting hole.