Guide structure of sawing machine

Abstract

The utility model belongs to the technical field of sawing machines, and particularly relates to a guiding structure of a sawing machine, which comprises a machine base and a workbench arranged on the machine base and used for feeding, stand columns are arranged on two sides of the machine base, a saw frame is arranged on the stand columns, a cutting groove is arranged in the middle of the saw frame, and a cutting device is movably arranged in the saw frame. The cutting device comprises a driving wheel arranged on the right side of the saw frame and a driven wheel arranged on the left side of the saw frame, a band saw blade is wound between the driving wheel and the driven wheel, a driving device used for driving the driving wheel to rotate is further arranged on the saw frame, and a guide mechanism is further arranged on the saw frame and comprises a guide seat connected with the saw frame and a plurality of guide wheels connected with the guide seat. The multiple guide wheels are arranged on the two sides of the band saw blade, the guide seat is further provided with a fixed guide piece, the fixed guide piece is arranged above the band saw blade, and the guide structure is simple in structure and capable of limiting upward movement of the saw blade and enabling the saw blade to be more stable in the cutting process.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sawing machine technical field, especially point to a kind of sawing machine's guide structure. BACKGROUND

[0002] Sawing machine is the machine that cutting workpiece is commonly used in mechanical industry, the sawing machine on market currently is usually horizontal sawing machine, workpiece is placed on workbench by cutting device above workbench, and workpiece is cut, wherein cutting device is usually used by driving wheel, saw blade and driven wheel cooperation, since it is the design of horizontal sawing machine, saw blade needs to be changed position orientation above workbench, so that saw tooth is aligned with workpiece to carry out cutting, so there will be guide mechanism for changing saw blade part position orientation on current sawing machine, currently, saw blade is only clamped and guided in its two sides in general, this design is acceptable when processing workpiece of lower hardness, saw blade can be relatively stably cut, however, when facing workpiece of hard texture, since the hardness of workpiece is higher, saw blade is easily pressed up and extruded in cutting process, so that saw blade moves upward and deforms, part position of saw blade touches the position where guide wheel and guide seat are connected at this time, and then cutting is influenced, so that cutting effect cannot reach expected standard, and since saw blade is mostly made of steel and other materials of lower toughness, deformation can cause damage or even breakage of saw blade, once saw blade is damaged or broken, not only new saw blade needs to be replaced, cost is increased, and negative influence on service life of entire sawing machine is produced, cutting efficiency is reduced. Therefore, there needs a guide structure that can limit saw blade to move upward, so that saw blade is more stable in cutting process. SUMMARY

[0003] The utility model aims at providing a kind of guide structure that can limit saw blade to move upward, so that saw blade is more stable in cutting process.

[0004] The utility model aims at providing a kind of guide structure that can limit saw blade to move upward, so that saw blade is more stable in cutting process.

[0005] A kind of guide structure of sawing machine, including machine base and the workbench for feeding in machine base, the both sides of machine base are equipped with stand, stand is equipped with saw frame, and the middle part of saw frame is equipped with cutting slot, and cutting device is movably arranged in saw frame, the cutting device includes driving wheel in the right side of saw frame, driven wheel in the left side of saw frame, and band saw blade is arranged between driving wheel and driven wheel, the saw frame is also equipped with driving device for driving driving wheel rotation, and driving device drives driving wheel rotation and drives band saw blade and driven wheel synchronous rotation.

[0006] The saw frame is further provided with a guide mechanism, which comprises a guide seat connected with the saw frame and a plurality of guide wheels connected with the guide seat, the plurality of guide wheels are arranged on both sides of the band saw blade, the guide seat is further provided with a fixed guide piece, the fixed guide piece is arranged above the band saw blade, and the band saw blade can abut against the lower surface of the fixed guide piece and move along the lower surface of the fixed guide piece when cutting the workpiece.

[0007] Further, the guide seat is further provided with a fixing seat, a rotating shaft is horizontally arranged on the fixing seat, a rotating bearing is arranged in the fixed guide piece, the rotating shaft penetrates through the fixed guide piece, so that the fixed guide piece can rotate relative to the rotating shaft, and a wear-resistant ring is further arranged outside the guide wheel.

[0008] Further, the fixing seat is further provided with an adjusting hole, an adjusting nut is arranged in the adjusting hole, the fixing seat is fixedly connected with the guide seat through the adjusting nut, and the up-down position of the fixing seat can be adjusted by rotating the adjusting nut.

[0009] Further, the guide seat is provided with a limiting piece, a limiting opening opening downward is arranged on the limiting piece, and the band saw blade is arranged in the limiting opening.

[0010] Further, the guide seat is further provided with an adjusting piece, the limiting piece is arranged on the adjusting piece and detachably connected with the adjusting piece, a vertical waist-shaped hole is arranged on the adjusting piece, an adjusting screw is arranged in the waist-shaped hole, the adjusting piece is installed on the guide seat through the adjusting screw, and the adjusting piece can move up and down by driving the adjusting screw to rotate.

[0011] Further, the adjusting piece comprises an upper connecting portion, a bent portion and a lower connecting portion, the waist-shaped hole is arranged at the upper connecting portion, the upper connecting portion is connected with the guide seat through the adjusting screw, the bent portion is transversely protruded away from the guide seat, and a mounting hole is arranged on the lower connecting portion, a limiting screw is arranged on the limiting piece, and the limiting screw can be connected with the lower connecting portion through the mounting hole.

[0012] Further, the guide mechanism is arranged in a cutting groove, an auxiliary guide group is further arranged in the cutting groove, the auxiliary guide group comprises the guide seat and the plurality of guide wheels, the fixed guide piece is also arranged on the guide seat, a scrap collecting frame is further arranged below the auxiliary guide group, the band saw blade penetrates through the scrap collecting frame, and a scrap collecting pipe is arranged on the saw frame and communicates with the scrap collecting frame.

[0013] Further, the both sides of the base are also provided with telescopic rods, the upper end of the telescopic rod is fixedly connected with the rear surface of the saw frame, the lower end is fixedly connected with the base, the column is provided with a lifting device, the lifting device comprises a lifting balance group, a lifting precision lead screw and a lifting sliding group arranged on the lifting precision lead screw, the lifting sliding group can move up and down on the lifting precision lead screw, the lifting sliding group is fixedly connected with the saw frame, the lifting sliding group moves to drive the saw frame to move up and down relative to the column, the both sides of the workbench are movably provided with clamping mechanisms for clamping workpieces.

[0014] Further, the both sides of the column are also provided with sliding rails, the rear surface of the saw frame is provided with sliding blocks corresponding to the sliding rails, the saw frame can move up and down along the sliding rails through the sliding blocks to move above the workpiece and cut the workpiece.

[0015] The utility model discloses compared with prior art has the beneficial technical effect of being prominent:

[0016] The utility model discloses a sawing machine's guide structure, whole is by base and the workbench of being arranged on the base composition, the worker can place workpiece on the workbench, the middle part of saw frame is provided with cutting groove, in order to cutting device's movement and workpiece's through, drive arrangement drives driving wheel rotation and drives band saw blade and driven wheel synchronous rotation, ensure that the sawing process is stable and high efficiency, in addition, the saw frame still is provided with guide mechanism, to ensure that band saw blade's stability and accuracy in the sawing process. A plurality of guide wheels arrange and be provided with band saw blade both sides, to support and guide the movement of band saw blade, and on this basis increase fixed guide piece, through fixed guide piece setting in the upper of band saw blade, in order to band saw blade can be with fixed guide piece lower surface abuts and along fixed guide piece lower surface activity when cutting workpiece, to improve cutting precision and stability band saw blade carries out workpiece cutting in the process, its upper surface will with fixed guide piece's lower surface closely abut. This close contact relation makes band saw blade in the process of cutting workpiece can along fixed guide piece's lower surface smoothly activity. In this way, the movement track of band saw blade has been effectively guided and controlled, to ensure the precision and stability of the cutting process. Through this close cooperation and smooth movement, band saw blade can more accurately cut workpiece according to the predetermined path, avoids unnecessary deviation and jitter, thereby improves cutting quality and work efficiency, and through using these fixed guide piece, we can effectively control the relative position of saw blade. In this way, even when cutting some hard texture workpiece, the saw blade will not be deformed upwards due to resistance and downward force and cutting strength imbalance. This design ensures the accuracy and stability of the cutting process, prevents deformation that may cause damage or even breakage of the saw blade, and increases the service life of the saw blade. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1is the front view of the utility model.

[0018] Figure 2 is the perspective view of the utility model.

[0019] Figure 3 is the schematic diagram of the driving wheel and driven wheel installation position of the utility model.

[0020] Figure 4 is the back schematic diagram of the utility model.

[0021] Figure 5 is the perspective view of the saw frame of the utility model.

[0022] Figure 6 is the perspective view of the workbench and clamping device of the utility model

[0023] Figure 7 is the perspective view of the guide mechanism of the utility model.

[0024] Figure 8 is the front view of the guide mechanism of the utility model.

[0025] Figure 9 is the exploded view of the guide mechanism of the utility model.

[0026] Figure 10 is the partial schematic diagram of the guide mechanism of the utility model.

[0027] Figure 11 is the perspective view of the lifting device of the utility model.

[0028] The meaning represented by the reference numeral in the drawing:

[0029] 1-base; 2-workbench; 3-clamping mechanism; 4-stand; 5-saw frame; 6-cutting groove; 8-driving wheel; 9-driven wheel; 10-band saw blade; 11-driving device; 12-guide mechanism; 13-guide seat; 14-guide wheel; 15-fixed guide; 16-fixed seat; 17-rotation shaft; 18-adjusting hole; 20-limiting part; 21-limiting opening; 22-adjusting part; 23-waist-shaped hole;

[0030] 24-adjusting screw; 25-upper connecting part; 26-bent part; 27-lower connecting part; 28-mounting hole;

[0031] 29-limiting screw; 30-assistant guide group; 31-scrap collecting frame; 32-scrap collecting pipe; 33-telescopic rod;

[0032] 34-lifting device; 35-lifting balance group; 36-lifting precision screw; 37-lifting sliding group; 38-wear-resistant ring. DETAILED DESCRIPTION

[0033] The utility model discloses further describe in combination with specific embodiment:

[0034] A kind of guiding structure of sawing machine, including base 1 and be used for the workbench 2 of feeding being located on base 1, the both sides of the base 1 are equipped with stand 4, and stand 4 is equipped with saw frame 5, and the middle part of saw frame 5 is equipped with cutting groove 6, and cutting device is movably equipped in saw frame 5, and the cutting device includes the driving wheel 8 of being equipped with in the right side of saw frame 5, the driven wheel 9 of the left side of saw frame 5, and driving wheel 8 and driven wheel 9 are equipped with band saw blade 10 around between, and the saw frame 5 is also equipped with the driving device 11 for driving driving wheel 8 rotation, and driving device 11 drives driving wheel 8 rotation and drives band saw blade 10 and driven wheel 9 synchronous rotation;

[0035] The saw frame 5 is also equipped with guiding mechanism 12, and the guiding mechanism 12 includes guiding seat 13 connected with saw frame 5 and several guide wheels 14 connected with guiding seat 13, and several guide wheels 14 are arranged on the both sides of band saw blade 10, and the guiding seat 13 is also equipped with fixed guide 15, and the fixed guide 15 is arranged above band saw blade 10, and band saw blade 10 can be abutted with the lower surface of fixed guide 15 and moves along the lower surface of fixed guide 15 when cutting workpiece.

[0036] The utility model relates to a kind of guiding structure of sawing machine, whole is by base 1 and the workbench 2 of being arranged on base 1, worker can place workpiece on workbench 2, the middle part of saw frame 5 is provided with cutting groove 6, to facilitate the movement of cutting device and the passage of workpiece, driving device 11 drives driving wheel 8 rotation and drives band saw blade 10 and driven wheel 9 synchronous rotation, ensure the stability and high efficiency of sawing process, in addition, the saw frame 5 is also provided with guiding mechanism 12, to ensure the stability and accuracy of band saw blade 10 in sawing process.Several guide wheels 14 are arranged in the both sides of band saw blade 10, to support and guide the movement of band saw blade 10, and on this basis, increase fixed guide 15, fixed guide 15 is arranged above band saw blade 10, so that band saw blade 10 can be abutted with the lower surface of fixed guide 15 and moves along the lower surface of fixed guide 15 when cutting workpiece, so as to improve cutting accuracy and stability In the process of workpiece cutting of band saw blade 10, its upper surface will be closely abutted with the lower surface of fixed guide 15.This close contact makes band saw blade 10 be able to move along the lower surface of fixed guide 15 smoothly in the process of cutting workpiece.In this way, the movement track of band saw blade 10 is effectively guided and controlled, so as to ensure the accuracy and stability of cutting process.Through this close cooperation and smooth movement, band saw blade 10 can cut workpiece more accurately according to predetermined path, avoid unnecessary deviation and jitter, so as to improve cutting quality and working efficiency, and by using these fixed guides, we can effectively control the relative position of saw blade.In this way, even when cutting some hard texture workpieces, the saw blade will not be deformed upward due to the imbalance between resistance and downward force and cutting strength.This design ensures the accuracy and stability of cutting process, prevents deformation from causing damage or even breakage of saw blade, and increases the service life of saw blade.

[0037] Preferably, the guiding seat 13 is also provided with a fixed seat 16, a rotating shaft 17 is horizontally arranged on the fixed seat 16, a rotating bearing is arranged in the fixed guide 15, the rotating shaft 17 penetrates the fixed guide 15, so that the fixed guide 15 can rotate relative to the rotating shaft 17, and a wear-resistant ring 38 is further arranged outside the guide wheel 14, the fixed guide 15 rotates through the rotating shaft 17, and the fixed guide 15 rotates around the rotating shaft 17 when the band saw blade 10 cuts, so as to avoid affecting the work of the band saw blade 10, and the wear-resistant ring 38 can also prevent wear and tear caused by long-time friction with the band saw blade 10, and the wear-resistant ring 38 can also be arranged on the fixed guide 15.

[0038] Preferably, the fixing seat 16 is further provided with an adjusting hole 18, and an adjusting nut is arranged in the adjusting hole 18. The fixing seat 16 is fixedly connected with the guide seat 13 through the adjusting nut. The up-and-down position of the fixing seat 16 can be adjusted by rotating the adjusting nut, so as to adjust the distance between the up-and-down positions, and facilitate workers to adjust the appropriate distance of the height of the band saw blade 10 required for different workpiece types.

[0039] Preferably, the guide seat 13 is provided with a limiting piece 20, and a limiting opening 21 opening downward is arranged on the limiting piece 20. The band saw blade 10 is arranged in the limiting opening 21. The guide seat 13 is further provided with an adjusting piece 22, and the limiting piece 20 is arranged on the adjusting piece 22 and detachably connected with the adjusting piece 22. A vertical waist-shaped hole 23 is arranged on the adjusting piece 22, and an adjusting screw 24 is arranged in the waist-shaped hole 23. The adjusting piece 22 is installed on the guide seat 13 through the adjusting screw 24. The up-and-down movement of the adjusting piece 22 can be driven by rotating the adjusting screw 24, so as to adjust the distance between the adjusting piece 22 and the band saw blade 10, adapt different types of workpieces and the band saw blade 10, and prevent the band saw blade 10 from being deformed or touching the position of the non-guiding wheel 14, thereby affecting the work.

[0040] Preferably, the adjusting piece 22 comprises an upper connecting part 25, a bent part 26 and a lower connecting part 27. The waist-shaped hole 23 is arranged at the upper connecting part 25. The upper connecting part 25 is connected with the guide seat 13 through the adjusting screw 24. The bent part 26 is transversely protruded away from the guide seat 13. An installation hole 28 is arranged on the lower connecting part 27. A limiting screw 29 is arranged on the limiting piece 20, and the limiting screw 29 can be connected with the lower connecting part 27 through the installation hole 28.

[0041] Preferably, the guide mechanism 12 is arranged in the cutting groove 6. An auxiliary guide group 30 is further arranged in the cutting groove 6. The auxiliary guide group 30 comprises the guide seat 13 and the plurality of guiding wheels 14. The fixing guide piece 15 is also arranged on the guide seat 13. A scrap collecting frame 31 is further arranged below the auxiliary guide group 30. The band saw blade 10 passes through the scrap collecting frame 31. A scrap collecting pipe 32 is arranged on the saw frame 5 and communicates with the scrap collecting frame 31. The guide mechanism 12 and the auxiliary guide group 30 on both sides of the cutting groove 6 can stably limit the band saw blade 10 below the fixing guide piece 15. In the cutting process, the waste scraps brought out by the band saw blade 10 can fall into the scrap collecting frame 31 and be discharged from the scrap collecting pipe 32.

[0042] Preferably, the base 1 is also provided with telescopic rods 33 on both sides, the upper end of the telescopic rods 33 is fixedly connected with the rear surface of the saw frame 5, and the lower end is fixedly connected with the base 1, the column 4 is provided with a lifting device 34, the lifting device 34 comprises a lifting balance group 35, a lifting precision lead screw 36 and a lifting sliding group 37 provided on the lifting precision lead screw 36, the lifting sliding group 37 can move up and down on the lifting precision lead screw 36, the lifting sliding group 37 is fixedly connected with the saw frame 5, and the lifting sliding group 37 moves to drive the saw frame 5 to move up and down relative to the column 4, the lifting device 34 drives the saw frame 5 to move up and down, and the lifting sliding group 37 drives the saw frame 5 to move up and down, so that the use process is smooth, the lifting device 34 is a commonly used device of a sawing machine on the market, the lifting balance group 35 drives the lifting sliding group 37 to move through the lifting precision lead screw 36, manual lever operation is not needed, the clamping mechanism 3 for clamping workpieces is movably arranged on both sides of the workbench 2, so that the stability and accuracy of the workpieces during sawing are ensured, the base 1 is provided with a sliding block device, the clamping mechanism 3 can be moved forward and backward, the sliding block device is a commonly used track sliding block on the market.

[0043] Preferably, the column 4 is also provided with sliding rails on both sides, the rear surface of the saw frame 5 is provided with sliding blocks corresponding to the sliding rails, the saw frame 5 can move up and down along the sliding rails through the sliding blocks, so as to be moved above the workpiece and cut the workpiece, the moving speed of the saw frame 5 up and down is slowed down, damage caused by cutting of the workpiece is prevented, and the smoothness of the up and down movement is improved.

[0044] The above embodiments are only preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A guiding structure of a sawing machine, comprising a machine base (1) and a worktable (2) arranged on the machine base (1) for feeding, both sides of the machine base (1) are provided with a stand (4), a saw frame (5) is arranged on the stand (4), a cutting groove (6) is arranged in the middle of the saw frame (5), and a cutting device is movably arranged in the saw frame (5), characterized in that, The cutting device comprises a driving wheel (8) arranged on the right side of the saw frame (5), a driven wheel (9) arranged on the left side of the saw frame (5), a band saw blade (10) arranged between the driving wheel (8) and the driven wheel (9), and a driving device (11) arranged on the saw frame (5) and used for driving the driving wheel (8) to rotate, wherein the driving device (11) drives the driving wheel (8) to rotate and drives the band saw blade (10) and the driven wheel (9) to rotate synchronously; The saw frame (5) is further provided with a guide mechanism (12), the guide mechanism (12) comprises a guide seat (13) connected with the saw frame (5) and a plurality of guide wheels (14) connected with the guide seat (13), the plurality of guide wheels (14) are arranged on both sides of the band saw blade (10), and the guide seat (13) is further provided with a fixed guide piece (15), the fixed guide piece (15) is arranged above the band saw blade (10), and the band saw blade (10) can abut against the lower surface of the fixed guide piece (15) and move along the lower surface of the fixed guide piece (15) when cutting a workpiece.

2. A sawing machine guide structure according to claim 1, characterised in that: The guide seat (13) is further provided with a fixed seat (16), the fixed seat (16) is horizontally provided with a rotating shaft (17), the fixed guide piece (15) is internally provided with a rotating bearing, and the rotating shaft (17) penetrates through the fixed guide piece (15), so that the fixed guide piece (15) can rotate relative to the rotating shaft (17), and the guide wheel (14) is further provided with a wear-resistant ring (38) outside.

3. A sawing machine guide structure according to claim 2, characterised in that: The fixed seat (16) is further provided with an adjusting hole (18), the adjusting hole (18) is internally provided with an adjusting nut, the fixed seat (16) is fixedly connected with the guide seat (13) through the adjusting nut, and the up-down position of the fixed seat (16) can be adjusted by rotating the adjusting nut.

4. A sawing machine guide structure according to claim 2, characterised in that: The guide seat (13) is provided with a limiting piece (20), the limiting piece (20) is provided with a limiting opening (21) opening downward, and the band saw blade (10) is arranged in the limiting opening (21).

5. A sawing machine guide structure according to claim 4, characterised in that: The guide seat (13) is further provided with an adjusting piece (22), the limiting piece (20) is arranged on the adjusting piece (22) and detachably connected with the adjusting piece (22), the adjusting piece (22) is provided with a vertical waist-shaped hole (23), the waist-shaped hole (23) is internally provided with an adjusting screw (24), the adjusting piece (22) is installed on the guide seat (13) through the adjusting screw (24), and the adjusting piece (22) can move up and down by driving the adjusting screw (24) to rotate.

6. A sawing machine guide structure according to claim 5, characterised in that: The adjusting piece (22) comprises an upper connecting portion (25), a bent portion (26) and a lower connecting portion (27), the waist-shaped hole (23) is arranged at the upper connecting portion (25), the upper connecting portion (25) is connected with the guide seat (13) through the adjusting screw (24), the bent portion (26) is transversely arranged away from the guide seat (13), the lower connecting portion (27) is provided with a mounting hole (28), and the limiting piece (20) is provided with a limiting screw (29), the limiting screw (29) can be connected with the lower connecting portion (27) through the mounting hole (28).

7. A sawing machine guide structure according to claim 1, characterized in that: The guiding mechanism (12) is arranged in the cutting groove (6), and an auxiliary guiding group (30) is further arranged in the cutting groove (6), the auxiliary guiding group (30) comprises the guiding seat (13) and the plurality of guiding wheels (14), the fixed guide (15) is further arranged on the guiding seat (13), and a scrap collecting frame (31) is further arranged below the auxiliary guiding group (30), the band saw blade (10) passes through the scrap collecting frame (31), the saw frame (5) is provided with a scrap collecting pipe (32) in communication with the scrap collecting frame (31).

8. A sawing machine guide structure according to claim 1, characterized in that: The machine base (1) is further provided with telescopic rods (33) on both sides, the upper end of the telescopic rod (33) is fixedly connected with the rear surface of the saw frame (5), the lower end is fixedly connected with the machine base (1), the vertical column (4) is provided with a lifting device (34), the lifting device (34) comprises a lifting balance group (35), a lifting precision lead screw (36) and a lifting sliding group (37) arranged on the lifting precision lead screw (36), the lifting sliding group (37) can move up and down on the lifting precision lead screw (36), the lifting sliding group (37) is fixedly connected with the saw frame (5), and the lifting sliding group (37) moves to drive the saw frame (5) to move up and down relative to the vertical column (4), and the workbench (2) is movably provided with a clamping mechanism (3) for clamping workpieces on both sides.

9. A sawing machine guide structure according to claim 8, characterised in that: The vertical column (4) is further provided with a sliding rail on both sides, the rear surface of the saw frame (5) is provided with a sliding block corresponding to the sliding rail, and the saw frame (5) can move up and down along the sliding rail through the sliding block so as to be moved above the workpiece and cut the workpiece.

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