Adjustable small sawing machine
Technical Field
The invention relates to the technical field of machining, in particular to an adjustable small sawing machine.
Background
In the machining process, sawing off materials is a frequent matter, tools used for sawing off the materials comprise a handsaw, a sawing machine and the like, the sawing machine is a saw bow provided with a saw blade and reciprocates and feeds in a mode that a saw frame swings around a fulcrum, so that labor force for workers to manually cut with the saw blade can be saved, the sawing machine is divided into a large sawing machine and a small sawing machine, the large sawing machine is generally overlarge in weight, generally about one ton and inconvenient to move, but can automatically cut the materials, and the small sawing machine is simple in structure, small in size and convenient to use, but low in efficiency and needs to consume certain labor force;
the structure of present small-size sawing machine is comparatively simple, though can realize the reciprocating motion of saw blade, nevertheless can't adjust the power of feeding of saw blade according to the size of cutting the material to influence the life of saw blade, and current small-size sawing machine clamping device can not carry out stable centre gripping to the material, thereby often can appear the phenomenon that the material topples over when surely sawing the material, and then influence the processingquality of material.
Disclosure of Invention
The invention aims to provide an adjustable small sawing machine to solve the problems that the feeding force of a saw blade cannot be adjusted according to the size of a cut material, the material is often toppled when the material is cut, and the processing quality of the material is further influenced in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an adjustable bench saw comprising:
a base;
the support is fixedly arranged on the right side of the top end of the base;
the cutting saw assembly is arranged on the front side of the support;
the driving mechanism is arranged on the right side of the top end of the base;
and the material clamping mechanism is arranged on the left side of the top end of the base.
Preferably, the cutting saw assembly comprises: the connecting column is rotatably arranged at the top end of the front side of the support through a bearing; the guide rod is fixedly arranged on one side of the connecting column; the handle is in interference fit with one side of the outer wall of the guide rod; the saw bow is sleeved with the outer wall of the guide rod; and the saw blade is fixedly arranged on the inner side of the saw bow along the left-right direction.
Preferably, the drive mechanism includes: the motor is fixedly arranged on the right rear side of the top end of the base; the shell is fixedly arranged on the right front side of the top end of the base; the output end of the motor is locked with a rotating shaft through a coupler, the front side of the rotating shaft extends out of the front side of the connecting column and extends into the shell, the outer wall of the rotating shaft is rotatably connected with the rear side of the inner wall of the shell through a bearing, an inner ring of the bearing is in interference fit with the outer wall of the rotating shaft, and an outer ring of the bearing is fixedly arranged on the rear side of an inner cavity of the shell; and the circular plate is fixedly arranged on the front side of the rotating shaft.
Preferably, a strip hole is formed in the left side of the outer wall of the shell, and a protective door is hinged to the front side of the shell.
Preferably, the drive mechanism further comprises: the front side of the circular plate is provided with a first sliding chute, a part of the first sliding block is inserted into an inner cavity of the first sliding chute, and the other part of the first sliding block extends out of the inner cavity of the first sliding chute; the stop block is fixedly arranged on the front side of the circular plate and is arranged in parallel with the first slide block; the bolt is rotatably arranged on one side of the stop block through a bearing, and one end of the bolt is in threaded connection with the sliding block; and one end of the connecting rod is rotatably connected with the front side of the first sliding block, and the other end of the connecting rod extends out of the inner cavity of the bar hole and is rotatably connected with the front side of the saw bow.
Preferably, the stop block and the bolt are both positioned on the rear side of the surface where the front side of the first sliding block is positioned.
Preferably, the material clamping mechanism comprises: the fixed seat is fixedly arranged on the left side of the top end of the base; the fixing plate is fixedly arranged on the right side of the top end of the fixing seat along the front-back direction; the screw is fixedly arranged on the left side of the top end of the fixed seat along the vertical direction; the pressing plate is arranged along the left and right direction, a limiting hole is formed in the top end of the pressing plate along the left and right direction, the pressing plate is sleeved with the outer wall of the screw rod through the limiting hole, and the connecting block is in adaptive insertion connection with the inner cavity of the limiting hole; the nut is fixedly arranged at the top end of the connecting block and is in threaded connection with the outer wall of the screw rod; the rotating handle is fixedly arranged at the top end of the nut; and the pressing block is fixedly arranged on the right side of the bottom end of the pressing plate.
Preferably, the front side and the rear side of the inner cavity of the limiting hole are respectively provided with a second sliding groove along the left-right direction, the inner cavity of the second sliding groove is inserted with one part of a second sliding block, and the other part of the second sliding block is fixedly connected with the outer side of the connecting block.
The adjustable small sawing machine provided by the invention has the beneficial effects that:
1. the distance between one end of the connecting rod and the central point of the circular plate can be changed through the matching of the first sliding block, the first sliding groove, the stop block and the bolt, so that the cutting amplitude of the saw blade can be changed under the matching of the connecting rod, the saw bow and the guide rod, the cutting feed force of the saw blade can be adjusted through the sizes of different materials, and the service life of the saw blade can be effectively prolonged.
2. The material clamping mechanism is arranged on the fixed seat, so that a material to be cut can be fixed on the fixed seat through the pressing block, the material is firmly fixed, when the material is cut by the saw blade, the material is fixed up and down, the phenomenon that the material is inclined under the cutting force of the saw blade can be avoided, and the processing quality of the material can be further ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a material holding mechanism according to the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;
FIG. 4 is a schematic structural view of the stand of the present invention;
fig. 5 is a front cross-sectional view of the housing of fig. 1 in accordance with the present invention.
In the figure: 1. the cutting and sawing machine comprises a base, 2, a support, 3, a cutting and sawing component, 31, a connecting column, 32, a guide rod, 33, a handle, 34, a saw bow, 35, a saw blade, 4, a driving mechanism, 41, a motor, 42, a shell, 421, a strip hole, 422, a protective door, 43, a rotating shaft, 44, a circular plate, 45, a first sliding block, 46, a first sliding groove, 47, a stop block, 48, a bolt, 49, a connecting rod, 5, a material clamping mechanism, 51, a fixed seat, 52, a fixed plate, 53, a screw rod, 54, a pressing plate, 55, a limiting hole, 551, a second sliding groove, 552, a second sliding block, 56, a connecting block, 57, a nut, 58, a rotating handle, 59 and a pressing block.
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. 1-5, the present invention provides a technical solution: an adjustable bench saw comprising: base 1, support 2, cut saw subassembly 3, actuating mechanism 4 and material fixture 5, support 2 is fixed to be set up on base 1's top right side, cuts saw subassembly 3 and sets up in the front side of support 2, and actuating mechanism 4 sets up on base 1's top right side, and material fixture 5 sets up on base 1's top left side.
Preferably, the sawing assembly 3 further comprises: spliced pole 31, guide arm 32, handle 33, bow 34 and saw blade 35, spliced pole 31 passes through the bearing and rotates the front side top that sets up at support 2, the fixed one side that sets up at spliced pole 31 of guide arm 32, guide arm 32 and spliced pole 31 can rotate round support 2's front side, handle 33 and guide arm 32's outer wall one side interference fit, bow 34 cup joints mutually with guide arm 32's outer wall, saw blade 35 is along the fixed inboard that sets up at bow 34 of left and right directions, bow 34 can move on guide arm 32's outer wall.
Preferably, the driving mechanism 4 further includes: the motor 41 is fixedly arranged on the right rear side of the top end of the base 1, the motor 41 is in the prior art, the motor 41 can drive the rotating shaft 43 to rotate around the axis of the motor 41, the motor type according with the scheme can be used, the housing 42 is fixedly arranged on the right front side of the top end of the base 1, the output end of the motor 41 is locked with the rotating shaft 43 through a coupler, the front side of the rotating shaft 43 extends out of the front side of the connecting column 31 and extends into the housing 42, the outer wall of the rotating shaft 43 is rotatably connected with the rear side of the inner wall of the housing 42 through a bearing, the inner ring of the bearing is in interference fit with the outer wall of the rotating shaft 43, the outer ring of the bearing is fixedly arranged on the rear side of the inner cavity of the housing 42, the circular plate 44 is fixedly arranged on the front side of the rotating shaft 43, and the circular plate.
Preferably, a bar hole 421 is formed in the left side of the outer wall of the housing 42, a protective door 422 is hinged to the front side of the housing 42, the connecting rod 49 can swing up and down by forming the bar hole 421, and the protective door 422 can protect the inside of the housing 42.
Preferably, the driving mechanism 4 further includes: a first slide block 45, a first slide slot 46, a stop block 47, a bolt 48 and a connecting rod 49, wherein the front side of the circular plate 44 is provided with the first slide slot 46, the inner cavity of the first slide slot 46 is inserted with a part of the first slide block 45, the other part of the first slide block 45 extends out of the inner cavity of the first slide slot 46, the inner cavity of the first slide slot 46 is in a dovetail groove shape, the first slide block 45 is inserted with the inner cavity of the first slide slot 46, the stop block 47 is fixedly arranged at the front side of the circular plate 44 and is parallel to the first slide block 45, the bolt 48 is rotatably arranged at one side of the stop block 47 through a bearing, one end of the bolt 48 is in threaded connection with the slide block 45, the bolt 48 can extend out of one side of the slide block 45, the bolt 48 can be rotated to enable the first slide block 45 to move to one side of the first slide slot 46 under the action force of the bolt 48, one end of the connecting rod 49 is rotatably connected with the front side of the first slide block 45, and the other end of the connecting rod, when the circular plate 44 is rotated, one end of the link 49 is rotated clockwise around the center line point of the circular plate 44 by the first slider 45, so that the other end of the link 489 pushes the saw bow 34 to reciprocate under the restriction of the guide bar 32.
Preferably, the stopper 47 and the bolt 48 are located at the rear side of the front side of the first slider 45, so as to prevent the connecting rod 49 from contacting the bolt 48 and the stopper 47 during rotation.
Preferably, the material holding mechanism 5 further includes: the fixing base 51, the fixing plate 52, the screw 53, the pressing plate 54, the limiting hole 55, the connecting block 56, the nut 57, the rotating handle 58 and the pressing block 59, wherein the fixing base 51 is fixedly arranged on the left side of the top end of the base 1, the fixing plate 52 is fixedly arranged on the right side of the top end of the fixing base 51 along the front-back direction, the fixing plate 52 can limit materials on the fixing base 51, the screw 53 is fixedly arranged on the left side of the top end of the fixing base 51 along the up-down direction, the pressing plate 54 is arranged along the left-right direction, the limiting hole 55 is formed in the top end of the pressing plate 54 along the left-right direction, the pressing plate 54 is sleeved with the outer wall of the screw 53 through the limiting hole 55, the connecting block 56 is in matched plug-in connection with the inner cavity of the limiting hole 55, the connecting block 56 can move in the limiting hole 55, the nut 57 is fixedly arranged on the top end, therefore, under the action force of the screw 53, the nut 57 pushes the connecting block 56 and the pressing plate 54 to enable the pressing block 59 to move downwards, the pressing block 59 is fixedly arranged on the right side of the bottom end of the pressing plate 54, and the pressing block 59 can fix materials on the fixed seat 1.
Preferably, the front side and the rear side of the inner cavity of the limiting hole 55 are both provided with a second sliding groove 551 along the left-right direction, the inner cavity of the second sliding groove 551 is inserted with a part of the second sliding block 552, the other part of the second sliding block 552 is fixedly connected with the outer side of the connecting block 56, the connecting block 56 can stably move through the cooperation of the second sliding groove 551 and the second sliding block 552, and the connecting block 56 can be prevented from being separated from the inner cavity of the limiting hole 55.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
When the cutting device is used, a belt cutting material is placed on the fixed seat 51, one side of the belt cutting material is leaned against the fixed plate 52, the pressing plate 54 can be pushed to move left and right under the limiting action of the second sliding groove 551 and the second sliding block 552 according to the size of the cutting material, so that the pressing block 59 moves to the top end center position of the material, the nut 57 can be rotated by rotating the rotating handle 58, the nut 57 can move the pressing block 59 downwards by pushing the connecting block 56 and the pressing plate 54 under the action of the screw 53 until the pressing block 59 is contacted with the top end of the material and stably fixes the material on the fixed seat 51, after the protective door 422 is opened, the bolt 48 can be rotated, the first sliding block 45 can move to one side of the first sliding groove 46 under the action of the bolt 48, the distance between one end of the connecting rod 49 and the center point of the circular plate 44 can be changed according to the size of the material, the cutting amplitude of the saw blade 35 can be changed, and the, can effectual extension saw blade 35's life, switch on behind motor 41's the external power supply, the staff can hold handle 33 and control motor 41 and start, motor 41 can drive pivot 43 and rotate around self axis, thereby drive circular plate 44 and rotate, so that the one end of connecting rod 49 is clockwise circumference rotation round the central line point of circular plate 44 under the limiting action of first slider 45, thereby make connecting rod 489's the other end promote bow 34 reciprocating motion under the limiting action of guide arm 32, the staff can make the saw blade cut the material on fixing base 51 through pressing handle 33 downwards, and easy operation, and it is firm to fix the material in the cutting process, difficult messenger's material takes place the slope, the cutting quality is improved, be favorable to extensively promoting.
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.