20results about "Strap saws" patented technology

A chainsaw, comprising: a main-unit housing having a front portion, a rear portion, and an intermediate portion between the front portion and the rear portion; and a battery pack attached to the rear portion of the main-unit housing and supplying power to at least an electric motor, wherein when the battery pack is attached to the main-unit housing and the chainsaw is stably placed, the orthographic projection of the whole chainsaw is observed in an up-down direction, and in a front-rear direction, the ratio of the overlap length L1 between the battery pack and the main-unit housing to the length L2 of the main-unit housing is greater than or equal to 0.3.

The chainsaw includes a guide bar. The guide bar includes a recess. A communications chip or other on-board circuitry is positioned within the recess in the guide bar.

The cutting saw convenient to disassemble and assemble comprises a vertical frame body and an operation table, a first supporting arm is installed on one side of the top of the vertical frame body, the bottom of the vertical frame body is perpendicularly connected with a second supporting arm, and supporting wheels are rotationally installed at the tail end of the first supporting arm and the two ends of the second supporting arm; the side, away from the first supporting arm, of the top of the vertical frame body is rotationally connected with a third supporting arm, a tensioning wheel is rotationally arranged at the tail end of the third supporting arm and connected with the supporting wheel through a band saw blade, and a telescopic device is rotationally connected to the lower portion of the third supporting arm. When the band saw blade is used and the band saw blade needs to be replaced, the telescopic device can be controlled to be shortened to drive the tensioning wheel to be lowered, so that the band saw blade supporting wheel can be taken down and then taken out from the strip-shaped opening, and the band saw blade is convenient to disassemble and assemble.

The utility model provides a telescopic saw blade protection device for a woodworking band sawing machine, which comprises an upper chamber body, a telescopic shield and a moving component, a fixed rib plate is arranged on one side of the upper chamber body, the upper end of the telescopic shield is connected with the rib plate, and the lower end of the telescopic shield is connected with the moving component. The telescopic protective cover comprises a top protective cover, a middle protective cover and a bottom protective cover, and the top protective cover, the middle protective cover and the bottom protective cover are sequentially connected in a sleeved mode and are in sliding connection. By adjusting the height of the telescopic protective cover and increasing or decreasing the number of the middle protective covers, the telescopic protective cover is more widely suitable for the requirements of different heights, the flexibility is higher, the practicability is higher, the operation is simple, the use effect of the protective cover is enhanced, and the protective cover is suitable for popularization and application. And the use experience of the user is improved.

To provide a technology which enables improvement of users' convenience in a cutting tool provided with a hand guard.SOLUTION: A cutting tool disclosed by the specification includes: a cutting unit; a prime mover configured to drive the cutting unit; a housing including a housing body for holding the cutting unit and housing the prime mover, and a grip which extends from the housing body and is configured to be grasped by a user's hand; and a hand guard attached to the housing, configured to protect fingers of the user's hand grasping the grip, and being more deformable than the housing.SELECTED DRAWING: Figure 1

Sawmill plant for cutting up round timber (14), comprising a plurality of processing stations (16, 18, 20, 22), a conveyor system (24), and a control unit (26) configured to control the plurality of processing stations (16, 18, 20, 22) and the conveyor system (24) to cut up a round timber (14) with a defined sequence (12) of processing steps, wherein the plurality of processing stations (16, 18, 20, 22) comprises a first double circular saw (16) and a first double band saw (18), wherein the first double circular saw (16) has a first circular saw blade (42) with a first axis of rotation (44) and a second circular saw blade (46) with a second axis of rotation (48) arranged parallel to the first axis of rotation (44), such that there is a gap between the first circular saw blade (42) and the second circular saw blade (46) a first defined gap (50) remains,wherein the first double band saw (18) has a first band saw blade (56) with a first saw line (60) and a second band saw blade (58) with a second saw line (62) which is arranged parallel to the first saw line (60), so that a second defined space (64) remains between the first saw line (60) and the second saw line (62), wherein the first and the second axes of rotation (44, 48) are arranged parallel to the first and the second saw lines (60, 62), and wherein the conveying system (24) is configured to guide the log (14) or a saw product (32) produced from the log (14) through the first space (50) relative to the first double circular saw (16) and further through the second space (64) relative to the first double band saw (18).

A wood processing device 1 for processing a log H aligned along a longitudinal direction L of the wood processing device 1, said wood processing device comprising: a machine frame 2, a processing gantry 3 supported on the machine frame 2 so as to be movable at least in the longitudinal direction L, a holding device 4 arranged on the machine frame 2 for holding the log H on the machine frame 2, a trimming device 5 arranged on the processing gantry 3 for trimming the log H, said trimming device 5 having at least one milling head 5.1, 5.2, 5.3, 5.4, a cutting device 6 arranged on the processing gantry 3 for cutting the log H, said cutting device 6 having at least one saw 6.1, 6.2, in particular aligned horizontally, and a splitting device 7 arranged on the processing gantry 3 for splitting the log H, said splitting device 7 having at least one saw 7.1, 7.2, in particular aligned vertically. It is equipped with:

The present invention relates to a feeder unit and to a method for controlling such a feeder unit (4) that comprises a pair of support rollers configured to engage a timber body (2), wherein the feeder unit (4) comprises a hydraulic system having a first hydraulic piston assembly (13) con- nected to a first support roller (14) and a second hydraulic piston assembly (15) connected to a second support roller (16), and wherein the mutual distance between the pair of support rollers is adjustable by means of the hydraulic system. The method comprises the steps of abutting the pair of support rollers against the timber body (2), and exercising unguided mode of operation of the pair of support rollers, wherein the first hydraulic piston assembly (13) and the second hy- draulic piston assembly (15) are in direct fluid communication with each other, wherein the method comprises the step of restricting the hydraulic liquid flow between the first hydraulic piston assembly (13) and the second hydraulic piston assembly (15), in order to provide a vis- cous dampening of any oscillating movements of the timber body (2).

The present application relates to the technical field of wood cutting auxiliary device, disclose a kind of cutting auxiliary device for furniture production, including sawing machine, the middle position of the sawing machine is fixedly provided with saw bench, the upper end of the saw bench is placed with wood, control mechanism is provided on the saw bench, drive mechanism is provided on the control mechanism, the control mechanism includes the hydraulic cylinder fixedly arranged in the front end of saw bench support, the upper side of the hydraulic cylinder telescopic rod is fixedly provided with fixed sleeve, the rear end of the fixed sleeve is fixedly provided with movable plate, two groups of transmission rods are rotatably arranged in the inner side of the movable plate, two groups of the transmission rod front side are rotatably provided with synchronous wheel, and two groups of the synchronous wheel outer side are sleeved with synchronous belt.The cutting auxiliary device for furniture production of the application is used in cooperation with the conveying assembly and the driving assembly, promotes cutting work, reduces the harm to hand, and the two pieces of cut plate can be driven to move back, to realize automatic return work.

To improve workability and safety in cutting down work of a standing tree using a chain saw.SOLUTION: In a chain saw (1) provided with a guide bar (3) around which a saw chain (4) is wound, a guide mark (9) for confirming a felling direction is provided on the guide bar (3). The guide mark (9) is provided at the widest part of the guide bar (3). Further, in the present invention, in a felling method using a chain saw (1) for felling a standing tree in a preset direction (set direction) by forming a receiving opening in the standing tree using the chain saw (1), the chain saw (1) in which a guide mark (9) for confirming a felling direction is provided on a guide bar (3) around which a saw chain (4) is wound is used, and the receiving opening is formed in the standing tree by the saw chain (4) in a state where the guide mark (9) is directed in the set direction.SELECTED DRAWING: Figure 1

The invention relates to a wood-machining device (1) for machining round wood (H) oriented in a longitudinal direction (L) of the wood-machining device (1), comprising: a machine frame (2); a machining gantry (3) mounted on the machine frame (2) so as to move at least in the longitudinal direction (L); a holding device (4) disposed on the machine frame (2), for holding the round wood (H) on the machine frame (2); a trimming device (5) disposed on the machining gantry (3), for trimming the round wood (H), the trimming device (5) having at least one milling head (5.1, 5.2, 5.3, 5,4); a cutting device (6) disposed on the machining gantry (3), for cutting the round wood (H), the cutting device (6) having at least one saw (6.1, 6.2), which, more particularly, is oriented horizontally; and a splitting device (7) disposed on the machining gantry (3), for splitting the round wood (H), the splitting device (7) having at least one saw (7.1, 7.2), which, more particularly, is oriented vertically.

Sawing system (100) comprising a rail guide (12) defining a longitudinal direction (14), a saw (10) arranged on the rail guide (12), a first saw material feed (16), a second saw material feed (18), a first carriage (20) comprising a first saw material support (22) and a first carriage drive (24), and a second carriage (32) comprising a second saw material support (34) and a second carriage drive (36), wherein the first saw material feed (16) is configured to transfer a first saw material (28) to the first saw material support (22), wherein the second saw material feed (18) is configured to transfer a second saw material (38) to the second saw material support (32), and wherein the first carriage drive (24) is configured to move the first carriage (20) with the first saw material (28) along the rail guide (12) along the longitudinal direction (14) past the saw (10) to cut the saw. first sawn material (28) in the longitudinal direction (14),and wherein the second wagon drive (36) is arranged to move the second wagon (32) with the second saw material (38) along the rail guide (12) along the longitudinal direction (14) past the saw (10) in order to saw the second saw material (38) in the longitudinal direction (14).

Woodworking device (1), woodworking plant and method for processing round timber (H) aligned along a longitudinal direction (L) of the woodworking device (1), comprising a machine frame (2), a processing portal (3) mounted on the machine frame (2) so as to be movable at least in the longitudinal direction (L), a holding device (4) arranged on the machine frame (2) for holding the round timber (H) on the machine frame (2), a cutting device (6) arranged on the processing portal (3) for cutting the round timber (H), wherein the cutting device (6) comprises at least one saw (6.1, 6.2), and a splitting device (7) arranged on the processing portal (3) for splitting the round timber (H), wherein the splitting device (7) comprises at least one saw (7.1, 7.2), wherein an edging device (5) arranged on the processing portal (3) for edging the round timber (H), wherein the edging device (5) comprises at least one milling head (5.1, 5.2, 5.3, 5.4).

The application discloses a kind of longitudinal side positioning multi-piece band saw cutting machine, belong to cutting machine technical field.Limits baffle is equipped at the end of feeding conveyor, the side of end is equipped with feeding plate, the feeding plate is used to push material to sliding table, the sliding table is movably arranged in the side of feeding conveyor by drive device a, the end of sliding table is equipped with material pressing device, the side of sliding table is equipped with material pushing device, the other side of sliding table is equipped with band saw cutting device, and the side of band saw cutting device is equipped with movable material baffle.The beneficial effects of the application are that all driving mechanisms, transmission mechanisms, guide mechanisms, etc.are reasonably utilized in the longitudinal space, installed in the same plane (the same side), and the floor area of the equipment in the field is maximally reduced.The raw material clamping mechanism adopts a side clamping mode to ensure that all raw materials can be cut and formed, achieving zero raw material surplus.

The utility model discloses an eccentric garland saw, which belongs to the technical field of manual tools and comprises a base, an adjustable support unit is arranged at the top of the base, a saw blade unit is arranged between the base and the adjustable support unit, and an auxiliary unit is arranged on one side of the saw blade unit. The adjustable supporting unit comprises a working table top, a movable supporting arm is arranged on the upper surface of the working table top, the influence caused by the fact that a workpiece is too long during workpiece machining is avoided by adjusting the position of the supporting arm, the movable supporting arm is arranged on the upper surface of the working table top, and when the workpiece is cut, the workpiece can be cut through the movable supporting arm. And the position of the supporting arm is adjusted according to needs, the situation that advancing of the cut workpiece is hindered due to the existence of the supporting arm can be effectively avoided, and the workpiece machining convenience is improved.

The present invention relates to a feeder unit and to a method for controlling such a feeder unit (4) that comprises a pair of support rollers configured to engage a timber body (2), wherein the feeder unit (4) comprises a hydraulic system (12) having a first hydraulic piston assembly (13) connected to a first support roller (14) and a second hydraulic piston assembly (15) connected to a second support roller (16), and wherein the mutual distance between the pair of support roll- ers is adjustable by means of the hydraulic system (12). The method is characterized by the steps of pre-positioning of the pair of support rollers, abutting the pair of support rollers against the timber body (2), by displacing at least the second support roller (16) towards the centre line (18), wherein the first hydraulic piston assembly (13) and the second hydraulic piston assembly (15) are in direct fluid communication with each other and follow any curvature of the timber body (2) and exert the predetermined clamping pressure against the timber body (2).

The present invention relates to a machine and to a method for controlling such a machine (1) that comprises a feeder unit (4) and a sawing station (5), the feeder unit (4) being located upstream the sawing station (5), and wherein the sawing station (5 comprises a first sawing unit (6) comprising a set of first saw band(s) (8) and a pair of first support rollers (9), and a second sawing unit (7) comprising a set of second saw band(s) (10) and a pair of second support rollers (11), wherein the location of each support roller (9, 11) is adjustable in the transverse direction and wherein the support rollers (9, 11) are configured to engage the timber body (2). The method is characterized by the steps of feeding the timber body (2) by means of the feeder unit (4) into the sawing station (5) during the timber body dividing operation, wherein the pair of first support rollers (9) engage the timber body (2), positioning the pair of second support rollers (11) at an initial mutual distance correlating to the real width of the timber body (2), and decreasing the mutual distance between the pair of second support rollers (11) during the timber body dividing operation until reaching, at the end of the timber body dividing operation, a final mutual distance between the pair of second support rollers (11) correlating to the real width of the timber body (2) minus the total thickness of the set of first saw band(s) (8).

Woodworking device (1), woodworking plant and method for processing round timber (H) aligned along a longitudinal direction (L) of the woodworking device (1), comprising a machine frame (2), a processing portal (3) mounted on the machine frame (2) so as to be movable at least in the longitudinal direction (L), a holding device (4) arranged on the machine frame (2) for holding the round timber (H) on the machine frame (2), a cutting device (6) arranged on the processing portal (3) for cutting the round timber (H), wherein the cutting device (6) comprises at least one saw (6.1, 6.2), and a splitting device (7) arranged on the processing portal (3) for splitting the round timber (H), wherein the splitting device (7) comprises at least one saw (7.1, 7.2), wherein an edging device (5) arranged on the processing portal (3) for edging the round timber (H), wherein the edging device (5) comprises at least one milling head (5.1, 5.2, 5.3, 5.4).