CN110936441A

CN110936441A - Automatic band sawing machine convenient to change saw bit

Info

Publication number: CN110936441A
Application number: CN201811118794.6A
Authority: CN
Inventors: 周进; 沈铖
Original assignee: Gaoyou Xinshun Machinery Manufacturing Co Ltd
Current assignee: Gaoyou Xinshun Machinery Manufacturing Co Ltd
Priority date: 2018-09-25
Filing date: 2018-09-25
Publication date: 2020-03-31

Abstract

The invention relates to the technical field of band saw machine equipment, and discloses an automatic band saw machine convenient for replacing saw blades. This automatic band saw machine convenient to change saw bit, put into the spout through the one end with the band saw blade, utilize control screw's rotation, drive fixture block and second guide pulley and remove, make the one end of second guide pulley and the tight band saw blade of first guide pulley clamp, the other end with the band saw blade is walked around the upper saw wheel again, pass the band saw organism and walk around next saw wheel again, and there is the notch that passes on the workstation to be connected with the other end of band saw blade, avoid making the both ends bullet of band saw blade easily because of the elasticity of band saw blade, the problem of difficult operating personnel installation band saw blade, thereby make things convenient for the change of band saw blade.

Description

Automatic band sawing machine convenient to change saw bit

Technical Field

The invention relates to the technical field of band sawing machine equipment, in particular to an automatic band sawing machine convenient for replacing a saw blade.

Background

The band saw machine is a sawing machine which takes a ring-shaped endless band saw blade as a saw tool and winds on two saw wheels to do unidirectional continuous linear motion to saw and cut wood.

However, after the band saw machine is used for a period of time, the cutting edge of the band saw blade is worn and needs to be replaced, when the band saw blade is replaced, two saw wheels need to be escaped from two ends of the band saw blade to be connected and installed, the band saw blade is generally made of elastic steel materials, the toughness is high, the two ends of the band saw blade are easily bounced off, and replacement of the band saw blade is inconvenient.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the automatic band saw machine convenient for replacing the saw blade, which has the advantage of convenience for replacing the saw blade, and solves the problems that after the band saw machine is used for a period of time, the cutting edge of a band saw blade is worn and needs to be replaced, when the band saw blade is replaced, two ends of the band saw blade need to run over two saw wheels to be connected and installed, the band saw blade is generally made of elastic steel materials, the toughness is strong, the two ends of the band saw blade are easy to bounce, the replacement of the band saw blade is inconvenient, and operators are easy to cut.

The invention provides the following technical scheme: the utility model provides an automatic band saw machine convenient to change saw bit, includes the base, one side fixedly connected with backup pad at base top, the top fixedly connected with band saw organism of backup pad, the bottom fixedly connected with workstation of the side of band saw organism, the bottom fixed mounting of band saw organism has the next saw wheel that is located the positive one side of backup pad, one side movable sleeve at band saw organism top is equipped with two elevating system, two elevating system's top movable sleeve is equipped with last saw wheel, the positive one side fixedly connected with fixed tube of band saw organism, the lead screw has been cup jointed in the inside activity of fixed tube, the bottom of lead screw extends to the outside and the fixedly connected with helm of fixed tube bottom, the screw has cup jointed the movable block that is located fixed tube inside on the lead screw, the top and the bottom of movable block side all are fixed with the trace, two the one end that the movable block was kept away from to the trace extends to the outside and the limited connection of fixed tube side The position pipe, the spout has been seted up to positive one side of spacing pipe, the middle part movable sleeve of trace is equipped with the location axle that is located spout one side, the fixed cover in middle part of location axle is equipped with first guide pulley, the front and the equal fixedly connected with slide in the back of spacing inside of tubes chamber, two movable sleeve is equipped with the removal axle between the slide, the middle part movable sleeve of removal axle is equipped with the second guide pulley, the equal fixedly connected with spring in both ends of removal axle, the one end that the removal axle was kept away from to the spring and the lateral wall fixed connection of spacing inside of tubes chamber, one side screw thread that the trace was kept away from to spacing pipe has cup jointed chucking device.

Preferably, the clamping device comprises a control screw rod, the control screw rod is in threaded sleeve joint with the side face of the limiting pipe, one end of the control screw rod is fixedly connected with a rotating handle located outside the limiting pipe, the other end of the control screw rod is fixedly connected with a fixing plate located inside the limiting pipe, a connecting pipe is movably sleeved on the outside of the fixing plate, and a clamping block is fixedly connected to the side face of the connecting pipe.

Preferably, the fixture block is in a semicircular annular pipe shape, the inner wall of the fixture block is matched with the surface of the moving shaft, and the fixture block is located between the two springs.

Preferably, the front surface of the workbench is provided with a notch which is the same as the chute in shape and size, and the center of the notch on the workbench and the side surfaces of the chute, the upper saw wheel and the support plate are all positioned on the same straight line.

Preferably, the side surface of the fixed pipe is provided with a sliding groove, and the sliding groove on the side surface of the fixed pipe is matched with the linkage rod.

Preferably, the shape and size of the first guide wheel are the same as those of the second guide wheel, the side surface of the second guide wheel and the side surface of the first guide wheel are both positioned in the sliding groove, and the side surface of the second guide wheel is movably connected with the side surface of the first guide wheel.

Compared with the prior art, the invention has the following beneficial effects:

1. this automatic band saw machine convenient to change saw bit, put into the spout through the one end with the band saw blade, utilize control screw's rotation, drive fixture block and second guide pulley and remove, make the one end of second guide pulley and the tight band saw blade of first guide pulley clamp, the other end with the band saw blade is walked around the upper saw wheel again, pass the band saw organism and walk around next saw wheel again, and there is the notch that passes on the workstation to be connected with the other end of band saw blade, avoid making the both ends bullet of band saw blade easily because of the elasticity of band saw blade, the problem of difficult operating personnel installation band saw blade, thereby make things convenient for the change of band saw blade.

2. This automatic band saw machine convenient to change saw bit removes through lead screw rotation control movable block, utilizes the height of the spacing pipe of trace control, utilizes the elastic force effect of spring for first guide pulley and second guide pulley contact are convenient for carry on spacingly to the band saw blade, ensure band saw organism during operation, and the scope that the band saw blade squinted because of vibrations is less, the stable cutting of the band saw organism of being convenient for.

Drawings

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

FIG. 2 is a cross-sectional view of a structural restraining tube of the present invention;

fig. 3 is a schematic view of the structure clamping device of the invention.

In the figure: 1. a base; 2. a support plate; 3. a band saw body; 4. a work table; 5. a lower saw wheel; 6. a lifting mechanism; 7. an upper saw wheel; 8. a fixed tube; 9. a screw rod; 10. steering; 11. a moving block; 12. a linkage rod; 13. a limiting pipe; 14. a chute; 15. positioning the shaft; 16. a first guide wheel; 17. a slideway; 18. a movable shaft; 19. a second guide wheel; 20. a spring; 21. a clamping device; 211. controlling the screw; 212. a handle is rotated; 213. a fixing plate; 214. a connecting pipe; 215. and (7) clamping blocks.

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. 1-3, an automatic band saw machine convenient for replacing a saw blade comprises a base 1, a supporting plate 2 is fixedly connected to one side of the top of the base 1, a band saw machine body 3 is fixedly connected to the top of the supporting plate 2, a workbench 4 is fixedly connected to the bottom of the side surface of the band saw machine body 3, a notch with the same shape and size as that of a chute 14 is formed in the front surface of the workbench 4, the center of the notch on the workbench 4 and the side surfaces of the chute 14, an upper saw wheel 7 and the supporting plate 2 are all located on the same straight line, the notch on the workbench 4 is matched with the chute 14 to facilitate limiting of a band saw blade, when the band saw machine body 3 works, the band saw blade is ensured to move horizontally due to vibration in a smaller range, the cutting work of the band saw blade is not affected, a first guide wheel 16 and a second guide wheel 19 with the same position and shape and size as those on, the bottom of a band saw machine body 3 is fixedly provided with a lower saw wheel 5 positioned on one side of the front surface of a supporting plate 2, one side of the top of the band saw machine body 3 is movably sleeved with two lifting mechanisms 6, the top ends of the two lifting mechanisms 6 are movably sleeved with an upper saw wheel 7, one side of the front surface of the band saw machine body 3 is fixedly connected with a fixed pipe 8, the side surface of the fixed pipe 8 is provided with a chute, the chute on the side surface of the fixed pipe 8 is matched with a linkage rod 12, a screw rod 9 is driven to rotate by a rotating rudder 10, so that a moving block 11 drives the linkage rod 12 to move up and down, the height of a limiting pipe 13 is convenient to adjust according to the size of a cut object, the screw rod 9 is movably sleeved inside the fixed pipe 8, the bottom end of the screw rod 9 extends to the outside of the bottom end of the fixed pipe 8 and is fixedly connected with the rotating rudder 10, the screw rod, one end of each of the two linkage rods 12, which is far away from the moving block 11, extends to the outside of the side face of the fixed pipe 8 and is fixedly connected with a limiting pipe 13, one side of the front face of the limiting pipe 13 is provided with a sliding groove 14, the middle part of each of the linkage rods 12 is movably sleeved with a positioning shaft 15, which is positioned on one side of the sliding groove 14, the middle part of each of the positioning shafts 15 is fixedly sleeved with a first guide wheel 16, the shape and the size of each first guide wheel 16 are the same as those of each second guide wheel 19, the side face of each second guide wheel 19 and the side face of each first guide wheel 16 are both positioned in the sliding groove 14, the side faces of the second guide wheels 19 and the side faces of the first guide wheels 16 are movably connected, so that the band saw blades, which are wound on the side faces of the lower saw wheel 5 and the upper saw wheel 7, are positioned in the sliding grooves 14 and are in a vertical state, a second guide wheel 19 is movably sleeved at the middle part of the moving shaft 18, springs 20 are fixedly connected to both ends of the moving shaft 18, one end of each spring 20, far away from the moving shaft 18, is fixedly connected with the side wall of the inner cavity of the limiting tube 13, a clamping device 21 is sleeved on one side of the limiting tube 13, far away from the linkage rod 12, through threads, the clamping device 21 comprises a control screw 211, the control screw 211 is sleeved on the side surface of the limiting tube 13, through threads, one end of the control screw 211 is fixedly connected with a rotating handle 212 positioned outside the limiting tube 13, the other end of the control screw 211 is fixedly connected with a fixing plate 213 positioned inside the limiting tube 13, a connecting tube 214 is movably sleeved outside the fixing plate 213, a clamping block 215 is fixedly connected to the side surface of the connecting tube 214, the clamping block 215 is in a semicircular tube shape, the inner wall of the clamping block 215 is matched with the surface of the moving, just contact with second guide pulley 19, ensure that fixture block 215 and second guide pulley 19's area of contact is big enough, thereby be convenient for restrict second guide pulley 19's rotation, thereby ensure that second guide pulley 19 can cooperate first guide pulley 16 to press from both sides tight band saw blade, rotation through control screw 211, make connecting pipe 214 drive fixture block 215 translation, utilize fixture block 215 to compress tightly second guide pulley 19, make second guide pulley 19 nonrotatable, thereby utilize second guide pulley 19 cooperation first guide pulley 16 to press from both sides tight band saw blade, thereby when ensuring band saw blade erection joint, can not bounce off because of the elasticity of band saw blade self material, the band saw blade has been made things convenient for operating personnel to change, above-mentioned band saw blade is the saw bit promptly.

When in use, firstly, the rotating handle 212 is rotated to drive the control screw 211 to rotate, so that the fixture block 215 presses the second guide wheel 19, the second guide wheel 19 and the first guide wheel 16 clamp the original band saw blade, and controls the upper saw wheel 7 to drive the connecting position of the band saw blade to be positioned between the workbench 4 and the limiting pipe 13, the connecting part of the separated band saw blade is taken down, then the lifting mechanism 6 is operated to control the upper saw wheel 7 to move down, one end of the new band saw blade is inserted between the second guide wheel 19 and the first guide wheel 16, the second guide wheel 19 is pressed tightly through the fixture block 215, one end of a band saw blade is fixed, the other end of the band saw blade bypasses the upper saw wheel 7, passes through the band saw body 3 and bypasses the lower saw wheel 5, and is connected with the other end of the band saw blade by passing through a notch on the workbench 4, the upper saw wheel 7 is controlled to move upwards through the lifting mechanism 6, so that the band saw blade is in a stretching state, and the replacement of the band saw blade can be completed.

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

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

Claims

1. The utility model provides an automatic band saw machine convenient to change saw bit, includes base (1), its characterized in that: the band saw comprises a base (1), a supporting plate (2) is fixedly connected to one side of the top of the base (1), a band saw body (3) is fixedly connected to the top of the supporting plate (2), a workbench (4) is fixedly connected to the bottom of the side face of the band saw body (3), a lower saw wheel (5) located on one side of the front face of the supporting plate (2) is fixedly installed at the bottom of the band saw body (3), two lifting mechanisms (6) are movably sleeved on one side of the top of the band saw body (3), an upper saw wheel (7) is movably sleeved on the top of the two lifting mechanisms (6), a fixed pipe (8) is fixedly connected to one side of the front face of the band saw body (3), a lead screw (9) is movably sleeved inside the fixed pipe (8), the bottom end of the lead screw (9) extends to the outer portion of the bottom end of the fixed pipe (8) and is fixedly connected with a steering wheel (10), and a moving block (11, the top and the bottom of the side surface of the moving block (11) are respectively fixed with a linkage rod (12), one end of each linkage rod (12) far away from the moving block (11) extends to the outside of the side surface of the fixed pipe (8) and is fixedly connected with a limit pipe (13), one side of the front surface of each limit pipe (13) is provided with a sliding chute (14), the middle part of each linkage rod (12) is movably sleeved with a positioning shaft (15) positioned on one side of the sliding chute (14), the middle part of each positioning shaft (15) is fixedly sleeved with a first guide wheel (16), the front surface and the back surface of the inner cavity of each limit pipe (13) are respectively and fixedly connected with a sliding rail (17), a moving shaft (18) is movably sleeved between the two sliding rails (17), the middle part of each moving shaft (18) is movably sleeved with a second guide wheel (19), two ends of each moving shaft (18) are respectively and fixedly connected with a spring (20), one end of each spring (20) far, and a clamping device (21) is sleeved on one side of the limiting pipe (13) far away from the linkage rod (12) in a threaded manner.

2. The automatic band saw machine convenient for replacing a saw blade according to claim 1, wherein: chucking device (21) is including control screw (211), control screw (211) cup joints with the side screw thread of spacing pipe (13), the one end fixedly connected with of control screw (211) is located outside turning handle (212) of spacing pipe (13), the other end fixedly connected with of control screw (211) is located inside fixed plate (213) of spacing pipe (13), connecting pipe (214) have been cup jointed in the outside activity of fixed plate (213), the side fixedly connected with fixture block (215) of connecting pipe (214).

3. The automatic band saw machine convenient for replacing a saw blade according to claim 2, wherein: the fixture block (215) is in a semicircular annular tube shape, the inner wall of the fixture block (215) is matched with the surface of the moving shaft (18), and the fixture block (215) is located between the two springs (20).

4. The automatic band saw machine convenient for replacing a saw blade according to claim 1, wherein: the front of workstation (4) is seted up the shape and the equal notch of size with spout (14), and the center of notch all is located same straight line with the side of spout (14), upper saw wheel (7) and backup pad (2) on workstation (4).

5. The automatic band saw machine convenient for replacing a saw blade according to claim 1, wherein: the side surface of the fixed pipe (8) is provided with a sliding groove, and the sliding groove on the side surface of the fixed pipe (8) is matched with the linkage rod (12).

6. The automatic band saw machine convenient for replacing a saw blade according to claim 1, wherein: the shape and the size of the first guide wheel (16) are the same as those of the second guide wheel (19), the side face of the second guide wheel (19) and the side face of the first guide wheel (16) are both located in the sliding groove (14), and the side face of the second guide wheel (19) is movably connected with the side face of the first guide wheel (16).