CN212331310U - Integral type liftable oblique cutting dustless primary and secondary saw - Google Patents
Integral type liftable oblique cutting dustless primary and secondary saw Download PDFInfo
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- CN212331310U CN212331310U CN202020806766.XU CN202020806766U CN212331310U CN 212331310 U CN212331310 U CN 212331310U CN 202020806766 U CN202020806766 U CN 202020806766U CN 212331310 U CN212331310 U CN 212331310U
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Abstract
Integral type liftable oblique cutting dustless primary and secondary saw, comprises a workbench, airtight box and cutting motor, the airtight box is installed to the workstation below, the cutting motor is installed on the support, the support passes through elevating system and installs on airtight box, be equipped with first saw bit and the second saw bit that can stretch out to workstation cutting opening top in the airtight box, first saw bit, the second saw bit is respectively through first saw bit main shaft, the second saw bit main shaft is installed on the support, set up the transmission shaft on the support in the second saw bit main shaft outside, the cutting motor drives first saw bit main shaft and first saw bit and rotates, first saw bit main shaft passes through drive mechanism and drives transmission shaft and second saw bit main shaft action, the second saw bit main shaft drives the second saw bit and rotates, first saw bit is established at the homonymy of support and is located the coplanar with the second saw bit, the rotation opposite direction of second saw bit and first saw bit. The utility model discloses a two saw bits can go up and down in step, synchronous revolution, guarantee that two saw bits are parallel completely, improve assembly, regulation and cutting effect.
Description
Technical Field
The utility model belongs to the technical field of electric tool, an assembly structure and the improvement of performance that relate to the saw bit especially relate to integral type liftable beveling dustless primary and secondary saw.
Background
The wood board with the painted surfaces on two sides is cut by a traditional cutting saw, namely, the paint-free board is a board, the painted surface faces the direction of the saw blade, the priming paint surface faces away from the direction of the saw blade, and the saw teeth facing away from the cutting direction of the saw blade cut downwards, so that the painted surface is inevitably cracked, and the appearance is very ugly. The problem can be well solved by adopting the double saw blades to cut, the two saw blades are arranged in front of each other and turn in opposite directions, the cutting height of the reverse cutting saw blade cannot be higher than that of the whole cutting material, the bottom surface is only cut firstly on the paint surface, the paint surface is guaranteed not to be cracked, then the material is cut off in a whole mode through the forward cutting saw blade, and the paint surface and the priming paint surface can be guaranteed not to be cracked.
The existing double-saw-blade cutting tool, no matter a large-sized precise sliding table saw or a portable double-saw-blade cutting saw, mostly uses two motors to respectively drive two saw blades, namely, one is positively rotated and the other is reversely rotated to realize the double-sided cutting of the paint-free plate. Because of adopting the dual-motor drive, the existing dual-blade cutting tool has large power consumption and noise, large equipment volume and occupied space and higher cost.
Like chinese patent (No. CN 208497187U) discloses "a dustless saw of portable two saw bit structures", including box and dust collecting chamber, the one end and the middle part of box inner wall one side are equipped with two pairs of slide rails, the other end passes through screw fixedly connected with dust absorption motor, be equipped with two cutting motors on two motor fixing plates respectively and pass through screw fixed connection, motor fixing plate sliding connection is on the slide rail, drive the lead screw through rotating the hand wheel dish and go up and down finely tuning the saw bit, dust absorption motor inhales dust absorption motor and gets rid of the dust bag of bottom half with the saw-dust in the dust collecting chamber through the dust absorption mouth.
The applicant has developed an improvement in the structure based on "double blade cutting apparatus" (application No. 201921202010.8) and "geared double blade cutting apparatus" (application No. 201921890144.3). The original two saw blades are respectively arranged on the two sets of devices, the two saw blades are assembled on a plane and are respectively adjusted through the two sets of devices, so that the adjustment is very labor-consuming and time-consuming, and the two sets of devices are easy to shift after being used for a period of time or being impacted, so that the two saw blades are not on the plane.
In addition, in the existing double-saw-blade cutting tool, the conventional lifting is that two saw blades are lifted respectively, and the two saw blades are provided with respective guide structures, so that the two guide structures are difficult to ensure to be completely parallel, and therefore, the two saw blades are also difficult to ensure to be parallel in the lifting process.
SUMMERY OF THE UTILITY MODEL
The utility model provides an integral type liftable oblique cutting dustless primary and secondary saw for two saw bits are in same cutting plane assembly trouble and easily produce the problem that squints, goes up and down not parallel in solving two saw bit cutting means.
In order to realize the utility model discloses an aim at, adopt following technical scheme:
an integrated lifting beveling dust-free master-slave saw comprises a workbench, a sealed box and a cutting motor, wherein the workbench is provided with a cutting opening, the sealed box is arranged below the cutting opening, the cutting motor is arranged on a bracket, the bracket is arranged on a closed box through a lifting mechanism, a first saw blade and a second saw blade which can extend to the upper part of a cutting opening of the workbench are arranged in the closed box, the first saw blade and the second saw blade are respectively arranged on the bracket through a first saw blade main shaft and a second saw blade main shaft, the cutting machine is characterized in that a transmission shaft is arranged on the support outside the second saw blade main shaft, the cutting motor drives the first saw blade main shaft and the first saw blade to rotate, the first saw blade main shaft drives the transmission shaft and the second saw blade main shaft to move through a transmission mechanism, the second saw blade main shaft drives the second saw blade to rotate, the first saw blade and the second saw blade are arranged on the same side of the support and located on the same plane, and the rotation direction of the second saw blade is opposite to that of the first saw blade.
In order to further improve the utility model discloses an effect can also adopt following technical scheme:
the integrated liftable beveling dust-free combined saw comprises a closed box and a workbench, wherein the closed box is hinged to the workbench.
The integrated lifting beveling dust-free mother-son saw comprises a lifting mechanism, a sliding rail, fixing seats and a bracket, wherein the fixing seats are arranged at two ends of the sliding rail, the fixing seats are arranged on a sealed box, and the bracket can move up and down along the sliding rail.
The integrated liftable beveling dust-free combined saw comprises a driving wheel, a belt pulley, a friction wheel and a belt, wherein the driving wheel is installed on a first saw blade main shaft, the belt pulley is installed on a transmission shaft, the friction wheel is installed on a second saw blade main shaft, the belt is installed on the driving wheel and the belt pulley, the second saw blade main shaft is arranged between the first saw blade main shaft and the transmission shaft, and the belt is in sliding contact with the friction wheel.
According to the integrated liftable beveling dust-free combined saw, the transmission shaft is installed on the tensioning mechanism used for adjusting the tightness of the belt, the tensioning mechanism comprises the installation seat, the transmission shaft is fixed with the installation seat, the installation seat is connected with the support through the upper bolt and the lower bolt, the installation seat is provided with the adjusting hole or the arc groove at the lower bolt, and the transmission shaft can be driven to laterally move by adjusting the position of the installation seat.
According to the integrated lifting beveling dust-free mother-son saw, the friction wheel is in sliding contact with the upper circumferential surface of the outer ring of the belt.
As above-mentioned dustless primary and secondary saw of integral type liftable miscut, drive mechanism includes action wheel, belt pulley, gear pair and belt, and the action wheel is installed on first saw bit main shaft, and the belt pulley is installed on the transmission shaft, the transmission shaft is established between second saw bit main shaft and first saw bit main shaft, installs the belt on action wheel and the belt pulley, sets up the gear pair of meshing on second saw bit main shaft and the transmission shaft.
According to the integrated liftable beveling dust-free combined saw, the gear pair and the second saw blade are located on the same side of the support, and the driving wheel and the belt pulley are located on the other side of the support.
The integral type liftable chamfer dust-free primary and secondary saw is characterized in that the belt is a poly-wedge belt.
The integrated liftable beveling dust-free combined saw is characterized in that the sealed box is provided with the dust collection assembly, the dust collection assembly comprises the dust collection motor and the dust collection air duct, and the dust collection air duct is provided with the dust outlet communicated with the inner cavity of the sealed box.
Compared with the prior art the beneficial effects of the utility model:
1. with first saw bit main shaft, the second saw bit main shaft, the transmission shaft all fixes a position and installs through the support, the support adopts integrated into one piece such as mould or cast member, and correspond and set up first saw bit main shaft, the second saw bit main shaft, the mounting hole or the installation zone of transmission shaft, thereby can guarantee first saw bit, the second saw bit assembly is at same cutting plane, and simultaneously, because the support can provide stable support and accurate positioning, in the use or when equipment received the striking, two saw bits can not produce the skew, convenient assembly and improvement cutting quality.
2. The support passes through elevating system and installs on sealed box, consequently, parts such as cutting motor and first saw bit, first saw bit main shaft, second saw bit main shaft can move together with the support, and sealed box can be around the pin joint for the workstation rotation, sealed box and support relatively fixed. Because the two saw blades are synchronously lifted and synchronously rotated, the two saw blades can be ensured to be completely parallel and positioned on the same plane, and the cutting effect is ensured.
3. Adopt two saw bits of cutting motor drive, the cutting motor drives first saw bit main shaft and first saw bit and rotates, first saw bit main shaft passes through drive mechanism and drives transmission shaft and the action of second saw bit main shaft, second saw bit main shaft drives the second saw bit and rotates, the rotation opposite direction of second saw bit and first saw bit, thereby two saw bits are the upper and lower lacquer painting of meeting to exempting from the lacquer board material, can not collapse lacquer and guarantee the cutting quality, the subtend cutting with single motor drive double saw bit, make this primary and secondary saw can reduce the consumption, volume and weight, and the production cost is reduced.
4. When the friction wheel is installed on the main shaft of the second cutting saw blade, the transmission shaft is installed on the tensioning mechanism, so that the transmission mechanism is convenient to install, adjust and tension, the driving force and the cutting effect of the second cutting saw blade are guaranteed, and meanwhile, a tensioning adjusting mechanism which is convenient for adjusting the position of the tensioning adjusting mechanism can be installed on the side face of the tensioning mechanism.
5. The utility model discloses compact structure, small, easy to assemble and maintenance.
Drawings
FIG. 1 is a schematic structural view of the first embodiment (in the figure, the saw blade rises to the highest point, and cuts at 90 degrees);
FIG. 2 is a perspective view of FIG. 1;
FIG. 3 is a right side view of FIG. 1;
FIG. 4 is a schematic view of the other state of FIG. 1 (shown with the blade bottoming out, a 45 degree cut);
FIG. 5 is a perspective view of FIG. 4;
FIG. 6 is a right side view of FIG. 4;
fig. 7 is a schematic structural diagram of the second embodiment.
Reference numerals: 1-cutting motor, 2-bracket, 3-first saw blade main shaft, 4-second saw blade main shaft, 5-transmission shaft, 6-first saw blade, 7-second saw blade, 8-driving wheel, 9-belt pulley, 10-friction wheel, 11-belt, 12-gear pair, 13-mounting seat, 14-upper bolt, 15-lower bolt, 16-arc groove, 17-workbench, 18-sealed box, 19-sliding rail, 20-fixed seat, 21-dust-collecting motor and 22-dust-collecting air duct.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1-6, the integral dust-free combined saw with liftable beveling of the present embodiment is used to solve the problems of the prior art that two saw blades are troublesome to assemble in the same cutting plane and easily deviate, and the two saw blades are not parallel to each other when lifted.
Airtight box 18 is as accomodating the chamber and the dust collecting chamber of two saw bits, utilize support 2 as the carrier, the installation in airtight box 18 side of support 2 liftable, cutting motor 1, first motor spindle, first saw bit 6, second saw bit main shaft 4, the relevant part of cutting such as second saw bit 7 is all installed on support 2, two saw bits all adorn on this carrier of support 22 like this, guarantee two saw bit coplanarities through the machining dimension, 2 intensity on the support has guaranteed not have relative movement between two saw bits, even if with a period or receive little impact and also need not readjust, to the assembly, it is all more convenient to maintain etc..
In order to realize the up-and-down synchronous lifting of the first saw blade main shaft 3 and the second saw blade main shaft 4, vertical strip-shaped openings are formed in the side wall of the sealed box 18 corresponding to the first saw blade main shaft 3 and the second saw blade main shaft 4, and meanwhile, soft sealing gaskets are arranged on the strip-shaped openings or on the inner side of the strip-shaped openings so as to avoid dust leakage of the sealed box 18.
The bracket 2 drives the two saw blades to simultaneously lift and rotate, and the two saw blades can be ensured to be parallel and positioned on the same plane in the lifting and rotating processes.
The drive mechanism of this embodiment includes action wheel 8, belt pulley 9, friction pulley 10 and belt 11, and action wheel 8 installs on first saw bit main shaft 3, and belt pulley 9 installs on transmission shaft 5, and friction pulley 10 installs on second saw bit main shaft 4, and the cover is established installation belt 11 between action wheel 8 and the belt pulley 9, and second saw bit main shaft 4 is established between first saw bit main shaft 3 and transmission shaft 5, belt 11 and friction pulley 10 sliding contact.
Referring to fig. 3, in the present embodiment, the worktable 17 is installed above the sealed box 18, the support 2 is installed on the sealed box 18 through the lifting mechanism, the tops of the worktable 17 and the sealed box 18 are provided with cutting openings, the sealed box 18 is hinged with the worktable 17, and the cutting motor 1 is installed on the support 2.
As shown in fig. 1 and 2, a first saw blade 6 and a second saw blade 7 extending out of the plane of a worktable 17 are arranged in a sealed box 18, the first saw blade 6 and the second saw blade 7 are respectively installed on a bracket 2 through a first saw blade main shaft 3 and a second saw blade main shaft 4, a transmission shaft 5 is arranged on the bracket 2 outside the second saw blade main shaft 4, and the first saw blade 6 and the second saw blade 7 are arranged on the same side of the bracket 2 and are positioned on the same plane; the cutting motor 1 drives the first saw blade main shaft 3 and the first saw blade 6 to rotate, the first saw blade main shaft 3 drives the transmission shaft 5 and the second saw blade main shaft 4 to move through the transmission mechanism, the second saw blade main shaft 4 drives the second saw blade 7 to rotate, and the rotation direction of the second saw blade 7 is opposite to that of the first saw blade 6.
First saw bit main shaft 3, second saw bit main shaft 4, transmission shaft 5 all fixes a position and installs through support 2, support 2 adopts aluminium or alloy plate material to process the integrative structure that forms through the mould, and correspond and set up first saw bit main shaft 3, second saw bit main shaft 4, the mounting hole or the installation region of transmission shaft 5, thereby can guarantee first saw bit 6, second saw bit 7 assembles at same cutting plane, and simultaneously, because support 2 can provide stable support and accurate positioning, in the use or when equipment received the striking, two saw bits can not produce the skew, easy to assemble and improvement cutting effect.
As shown in fig. 2, the lifting mechanism is composed of a slide rail 19 and a fixing seat 20, the fixing seat 20 is installed at two ends of the slide rail 19, the fixing seat 20 is installed on the airtight box 18, and the support 2 can move up and down along the slide rail 19. The support 2 is fixed on the sealed box 18 through the lifting mechanism, therefore, the cutting motor 1, the first saw blade 6, the first saw blade main shaft 3, the second saw blade 7, the second saw blade main shaft 4 and other components which are arranged on the support 2 can move along the slide rail 19 together with the support 2, the sealed box 18 and the support 2 are relatively fixedly arranged, and the sealed box 18 can rotate relative to the workbench 17 around a hinge point. Because the two saw blades are synchronously lifted and synchronously rotated, the two saw blades can be ensured to be completely parallel and positioned on the same plane, and the cutting effect is ensured
A driving wheel 8 and a first saw blade 6 are respectively installed at two ends of a first saw blade main shaft 3, a friction wheel 10 and a second saw blade 7 are respectively installed at two ends of a second saw blade main shaft 4, a belt pulley 9 is installed on a transmission shaft 5, an installation belt 11 is sleeved between the belt pulley 9 and the driving wheel 8, the belt 11 is a poly-wedge belt, a cutting motor 1 drives the first saw blade main shaft 3 to rotate, and the second saw blade main shaft 4 is driven to rotate through the transmission shaft 5.
That is, the first saw blade main shaft 3 drives the first saw blade 6 to rotate forward with the driving wheel 8, the first saw blade 6 cuts the panel in the forward direction, meanwhile, the belt 11 drives the belt pulley 9 to slide in contact with the friction wheel 10, the friction wheel 10 drives the second saw blade main shaft 4 to rotate backward with the saw blade, and the second saw blade 7 cuts the panel in the backward direction.
With continued reference to fig. 1, the transmission shaft 5 is mounted on a tensioning mechanism for adjusting the tightness of the belt 11, which is mounted on the bracket 2. The tensioning mechanism comprises a mounting seat 13, a transmission shaft 5 is fixed with the mounting seat 13, the mounting seat 13 is connected with a support 2 through an upper bolt 14 and a lower bolt 15, an adjusting hole or an arc groove 16 is formed in the lower bolt 15 of the mounting seat 13, and the transmission shaft 5 can be driven to laterally move by adjusting the position of the mounting seat 13. The tightness of the belt 11 is adjusted by adjusting the lower bolt 15, and the mounting base 13 is fixed by the upper bolt 14 and the lower bolt 15 after the adjustment.
When the cutting machine is used, a plate is placed on the right side of the workbench 17 shown in fig. 1, namely, the outer sides of the first saw blade 6 and the second saw blade 7 are pushed to move towards the first saw blade 6 and the second saw blade 7, the cutting motor 1 works to drive the first saw blade spindle 3, the belt pulley 9 and the first saw blade 6 to rotate in the forward direction, the belt pulley 9 drives the poly-wedge belt to rotate, the poly-wedge belt drives the belt pulley 9 and the transmission shaft 5 to rotate in the forward direction, and meanwhile, the friction wheel 10 rotates in the reverse direction on the upper side of the outer peripheral surface of the poly-wedge belt to drive the second saw blade spindle 4 and the second saw blade 7 to rotate in.
The second saw blade 7 firstly cuts the paint surface of the bottom surface of the plate, and the paint surface faces the second saw blade 7, so that the paint can be prevented from being cracked on the primer surface of the plate; since the cutting height of the second blade 7 is lower than the thickness of the plate, the painted surface of the plate is not cut when the plate is cut in the reverse direction; then, when the panel moved to and first saw bit 6 contact, the japanning face was faced this first saw bit 6 so also can not lead to the japanning face to collapse lacquer, moreover, because the priming paint face has been cut earlier, at this moment, first saw bit 6 can not cut the japanning face, guarantees that panel japanning face, priming paint face can not collapse lacquer, improves cutting quality and effect.
In order to improve the dust collection effect, a dust collection assembly is arranged on the sealed box 18 and consists of a dust collection motor 21 and a dust collection air duct 22, the dust collection motor 21 is directly fixed on the sealed box 18, and a dust outlet communicated with the inner cavity of the sealed box 18 is formed in the dust collection air duct 22.
Because the sealed box 18 is hinged with the support 2, the first saw blade 6, the second saw blade 7 and other components rotate together with the sealed box 18 around the hinged point, and the support 2 can also drive the first saw blade 6, the second saw blade 7 and other components to ascend or descend on the outer side of the sealed box 18 along the sliding rail 19, so that the requirements of cutting different plates in thickness and angle are met.
As shown in fig. 1-3, at this time, the two saw blades are in a vertical 90-degree state and rise to the highest point; as shown in fig. 4-6, at this time, the two saw blades are inclined by 45 degrees and descend to the lowest point, that is, the two saw blades can be adjusted from the highest point to the lowest point, the cutting angle can be adjusted between 0-90 degrees, and the heights and cutting angles of the two saw blades can be adjusted in any combination according to the requirements.
The primary and secondary saws can reduce power consumption, volume and weight and reduce production cost by using one cutting to drive the opposite cutting of the double saw blades.
In order to facilitate the installation, adjustment and tensioning of the belt 11 and ensure the driving effect and the cutting effect on the second saw blade 7, a tensioning mechanism is installed on the transmission shaft 5, and in addition, a tensioning adjusting mechanism can be installed on the side surface of the tensioning mechanism.
The tension adjusting mechanism comprises a fixed seat 20, a screw rod and a tension bolt, wherein the fixed seat 20 is installed on the support 2, one end of the screw rod is connected with the fixed seat 20, the other end of the screw rod extends into the tension mechanism, the tension bolt is arranged on the screw rod, and the position of the tension mechanism can be adjusted through the tension bolt. The tensioning adjusting mechanism is arranged between the first saw blade main shaft 3 and the transmission shaft 5, so that the structure is more compact.
When the tensioning mechanism and the tensioning adjusting mechanism are installed and used, the belt pulley 9 plays a role of a tensioning wheel and a driven wheel, the belt pulley is arranged on the mounting seat 13 through the transmission shaft 5, the mounting seat 13 can rotate around the upper bolt 14, and after the belt pulley rotates to a certain angle, the upper bolt 14 and the lower bolt 15 fix the mounting seat 13. The tightness of the belt 11 can be adjusted by the tension bolt, and the installation base 13 can be driven to laterally move by adjusting the tension bolt, namely when the tension bolt moves leftwards, the installation base 13 drives the belt pulley 9 to rotate leftwards, so that the belt 11 can be easily hung on the belt pulley 9; when the tensioning bolt moves rightwards, the mounting base 13 can be propped against the right-handed rotation, and the belt 11 is tensioned.
Example two:
in fig. 7, only the components such as the cutter motor 1 and the holder 2 are shown for simplicity of illustration, and the table 17, the sealing case 18, the dust suction unit, and the like are omitted.
This embodiment drive mechanism includes action wheel 8, belt pulley 9, gear pair 12 and belt 11, and action wheel 8 installs on first saw bit main shaft 3, and belt pulley 9 installs on transmission shaft 5, and transmission shaft 5 is established between second saw bit main shaft 4 and first saw bit main shaft 3, and the installation belt 11 is established to the cover between action wheel 8 and the belt pulley 9, sets up meshed gear pair 12 on second saw bit main shaft 4 and the transmission shaft 5.
Compared with the first embodiment, in the present embodiment, the gear pair 12 is used to realize transmission between the transmission shaft 5 and the second blade main shaft 4, the second blade main shaft 4 and the bracket 2 can be directly and fixedly mounted, and the gear pair 12 is disposed on the second blade 7 side, so that the structure of the present embodiment is more compact.
The gear pair 12 is two sets of gears engaged with each other and respectively mounted on the transmission shaft 5 and the second saw blade main shaft 4, and at this time, the relative positions of the transmission shaft 5 and the second saw blade main shaft 4 are fixed, so that a tensioning mechanism, a tensioning adjusting mechanism and other components are not required to be arranged.
Except for the above, the contents of other parts are the same as those of the first embodiment, and are not described herein again.
The materials and the mode during specific implementation are selected by taking the specification drawing as a drawing, the implementation is carried out according to the proportion and the matching mode of each part in the specification drawing, common connection modes such as welding, riveting and integral forming are adopted, and the corresponding connection mode and the thickness and the strength of the connection point do not need to be creatively selected according to the actual connection strength requirement during actual manufacturing.
The technical contents not described in detail in the present invention are all known techniques.
Claims (10)
1. An integrated lifting beveling dust-free combined saw comprises a workbench, a sealed box and a cutting motor, wherein a cutting opening is formed in the workbench, the sealed box is installed below the cutting opening, and the combined saw is characterized in that the cutting motor is installed on a support, the support is installed on the sealed box through a lifting mechanism, a first saw blade and a second saw blade which can extend out of the upper portion of the cutting opening of the workbench are arranged in the sealed box, the first saw blade and the second saw blade are respectively installed on the support through a first saw blade main shaft and a second saw blade main shaft, a transmission shaft is arranged on the support outside the second saw blade main shaft, the cutting motor drives the first saw blade main shaft and the first saw blade to rotate, the first saw blade main shaft drives the transmission shaft and the second saw blade main shaft to move through a transmission mechanism, the second saw blade main shaft drives the second saw blade to rotate, and the first saw blade and the second saw blade are, the second blade rotates in the opposite direction to the first blade.
2. The integrated liftable miter cut dust-free gang saw of claim 1, wherein the containment box is hinged to the table.
3. The integrated liftable beveling dust-free combined saw as claimed in claim 1, wherein the lifting mechanism comprises a slide rail and a fixed seat, the fixed seats are mounted at two ends of the slide rail, the fixed seats are mounted on the sealed box, and the support can move up and down along the slide rail.
4. The integrated liftable miter cut dust-free sub-mother saw of claim 1, wherein the transmission mechanism comprises a driving wheel, a belt pulley, a friction wheel and a belt, the driving wheel is mounted on the first saw blade main shaft, the belt pulley is mounted on the transmission shaft, the friction wheel is mounted on the second saw blade main shaft, the driving wheel and the belt pulley are mounted with the belt, the second saw blade main shaft is arranged between the first saw blade main shaft and the transmission shaft, and the belt is in sliding contact with the friction wheel.
5. The integrated liftable beveling dust-free child-mother saw as claimed in claim 4, wherein the transmission shaft is mounted on a tensioning mechanism for adjusting the tightness of the belt, the tensioning mechanism comprises a mounting seat, the transmission shaft is fixed with the mounting seat, the mounting seat is connected with the support through an upper bolt and a lower bolt, the mounting seat is provided with an adjusting hole or an arc groove at the lower bolt, and the transmission shaft can be driven to laterally move by adjusting the position of the mounting seat.
6. The integrated liftable miter cut dust-free mother-son saw of claim 4, wherein the friction wheel is in sliding contact with the upper peripheral surface of the outer ring of the belt.
7. The integrated liftable miter cut dust-free sub-mother saw of claim 1, wherein the transmission mechanism comprises a driving wheel, a belt pulley, a gear pair and a belt, the driving wheel is mounted on the first saw blade main shaft, the belt pulley is mounted on a transmission shaft, the transmission shaft is arranged between the second saw blade main shaft and the first saw blade main shaft, the belt is mounted on the driving wheel and the belt pulley, and the second saw blade main shaft and the transmission shaft are provided with the gear pair which is engaged with each other.
8. The integrated liftable miter cut dust-free combination saw of claim 7, wherein the gear pair and the second saw blade are located on the same side of the support, and the driving wheel and the belt pulley are located on the other side of the support.
9. The integrated liftable miter cut dust-free mother-son saw of claim 4 or 7, wherein the belt is a V-ribbed belt.
10. The integrated liftable beveling dust-free combined saw as claimed in claim 1, wherein the sealed box is provided with a dust collection assembly, the dust collection assembly comprises a dust collection motor and a dust collection air duct, and the dust collection air duct is provided with a dust outlet communicated with the inner cavity of the sealed box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020806766.XU CN212331310U (en) | 2020-05-15 | 2020-05-15 | Integral type liftable oblique cutting dustless primary and secondary saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020806766.XU CN212331310U (en) | 2020-05-15 | 2020-05-15 | Integral type liftable oblique cutting dustless primary and secondary saw |
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| CN212331310U true CN212331310U (en) | 2021-01-12 |
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| CN202020806766.XU Active CN212331310U (en) | 2020-05-15 | 2020-05-15 | Integral type liftable oblique cutting dustless primary and secondary saw |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112719430A (en) * | 2021-01-18 | 2021-04-30 | 吴铁成 | High-efficient metal sheet cutting device for machine-building |
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2020
- 2020-05-15 CN CN202020806766.XU patent/CN212331310U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112719430A (en) * | 2021-01-18 | 2021-04-30 | 吴铁成 | High-efficient metal sheet cutting device for machine-building |
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