CN210387791U

CN210387791U - Saw band tensioning mechanism of high-speed band sawing machine

Info

Publication number: CN210387791U
Application number: CN201921423736.4U
Authority: CN
Inventors: 陈武雄
Original assignee: Jinyun Dingli Machinery Manufacturing Factory
Current assignee: Jinyun Dingli Machinery Manufacturing Factory
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-04-24
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a high-speed band sawing machine saw band straining device, the support is installed to the lower extreme of band sawing machine body, the channel-section steel is installed through the bolt to the lower extreme of support, first bar hole has all been seted up to the top both sides of channel-section steel, the inside activity in first bar hole is pegged graft and is had first screw rod, first bearing has been cup jointed to the outside of first screw rod, the inside in second bar hole is pegged graft and is had the second screw rod, the equal threaded connection in outside of second screw rod and first screw rod has the nut. The utility model discloses a set up first bar hole and second bar hole respectively on top and tip one side of channel-section steel, through first screw rod and the first bearing of second screw rod installation and second bearing in first bar hole and second bar hole, adjust the position of first screw rod and second screw rod in first bar hole and second bar hole, can with the saw blade centre gripping and highly carry on spacingly to the saw blade, be favorable to better location to the saw blade.

Description

Saw band tensioning mechanism of high-speed band sawing machine

Technical Field

The utility model relates to a band sawing machine technical field specifically is a high-speed band sawing machine saw band straining device.

Background

The band sawing machine is a machine tool for sawing various metal materials and is divided into a horizontal type and a vertical type according to the structure; the method is divided into semi-automatic, full-automatic and numerical control according to functions. The horizontal type can be divided into a double-column type and a scissor type. The main components are as follows: the automatic saw comprises a base, a lathe bed, a stand column, a saw beam, a transmission mechanism, a saw blade guide device, a workpiece clamping device, a saw blade tensioning device, a feeding mechanism (automatic series), a hydraulic transmission system, an electrical control system and a lubricating and cooling system.

In band sawing machine equipment, when the installation saw blade, need adjust the sawtooth part of saw blade, modulate the sawtooth into vertical state, present clamping device is not convenient for adjust.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-speed band sawing machine saw band straining device, through set up first bar hole and second bar hole respectively in top and tip one side of channel-section steel, through first screw rod and the first bearing of second screw rod installation and second bearing in first bar hole and second bar hole, adjust the position of first screw rod and second screw rod in first bar hole and second bar hole, can with the saw blade centre gripping, and highly carry on spacingly to the saw blade, be favorable to better location to the saw blade.

In order to achieve the above object, the utility model provides a following technical scheme: a saw band tensioning mechanism of a high-speed band sawing machine comprises a band sawing machine body, wherein a driving wheel and a driven wheel are rotatably mounted on one side of the band sawing machine body through a rotating shaft, the rotating shaft in the driven wheel is inserted into a bearing seat, the bearing seat is movably connected into a tensioning seat, and one side of the tensioning seat is connected with the output of a hydraulic cylinder;

the support is installed to the lower extreme of band saw (ing) machine body, the channel-section steel is installed through the bolt to the lower extreme of support, first bar hole has all been seted up to the top both sides of channel-section steel, the inside activity in first bar hole is pegged graft and is had first screw rod, first bearing has been cup jointed to the outside of first screw rod, the second bar hole has all been seted up to the one end both sides of channel-section steel, the inside in second bar hole is pegged graft and is had the second screw rod, the second bearing has been cup jointed to the outside of second screw rod, the equal threaded connection in outside of second screw rod and first screw rod has the nut.

Preferably, the tensioning seat comprises a frame, and the frame is mounted on one side of the band sawing machine body through bolts.

Preferably, the inside of frame is equipped with the slide rail, the both sides of bearing frame all seted up with slide rail assorted spout.

Preferably, the end parts of the second screw rod and the first screw rod are welded with limit blocks, and one sides of the limit blocks are provided with spring pads.

Preferably, one side of the second screw rod and one side of the first screw rod are both provided with key grooves, and keys are movably inserted in the key grooves.

Preferably, one side of the band sawing machine body is provided with a through hole matched with the rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a pneumatic cylinder drives the bearing frame and removes in the tensioning seat to carry out the translation from the driving wheel, be convenient for adjust the saw blade tensioning, simple structure, it is more convenient in the actual operation, it is convenient to bring for changing the saw blade, adjusting the tensioning;

2. the utility model discloses a set up first bar hole and second bar hole respectively on top and tip one side of channel-section steel, through first screw rod and the first bearing of second screw rod installation and second bearing in first bar hole and second bar hole, adjust the position of first screw rod and second screw rod in first bar hole and second bar hole, can with the saw blade centre gripping and highly carry on spacingly to the saw blade, be favorable to better location to the saw blade.

Drawings

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

FIG. 2 is a schematic view of a front view cross section structure of the channel steel of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;

fig. 4 is a schematic view of a rear view cross-sectional structure of the present invention.

In the figure: 1. a band sawing machine body; 2. a rotating shaft; 3. a driving wheel; 4. a driven wheel; 5. a bearing seat; 6. a tensioning seat; 7. a hydraulic cylinder; 8. a support; 9. channel steel; 10. a first bar-shaped hole; 11. a first screw; 12. a first bearing; 13. a second bar-shaped hole; 14. a second screw; 15. a second bearing; 16. a nut; 17. a frame; 18. a slide rail; 19. a chute; 20. a limiting block; 21. a keyway; 22. a key; 23. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 4, the present invention provides a technical solution: a saw band tensioning mechanism of a high-speed band sawing machine comprises a band sawing machine body 1, one side of the band sawing machine body 1 is provided with a through hole 23 matched with a rotating shaft 2, a hydraulic cylinder 7 is convenient for driving the rotating shaft 2 to translate, one side of the band sawing machine body 1 is rotatably provided with a driving wheel 3 and a driven wheel 4 through the rotating shaft 2, the driving wheel 3 and the driven wheel 4 are used for driving a saw blade to rotate, the driving wheel 3 is driven by a motor and a reducer to rotate, the rotating shaft 2 in the driven wheel 4 is inserted in a bearing seat 5, a bearing is arranged in the bearing seat 5, the rotating shaft 2 can rotate, the bearing seat 5 is movably connected in a tensioning seat 6, the tensioning seat 6 comprises a frame 17, the frame 17 is arranged on one side of the band sawing machine body 1 through bolts, the frame 17 is made of strip steel and has high stability, slide rails 18 are arranged in the frame 17, the matching of the slide rail 18 and the slide groove 19 is beneficial to keeping the linearity of the movement of the bearing seat 5 in the frame 17, and one side of the tensioning seat 6 is connected with the output of the hydraulic cylinder 7;

referring to fig. 1-3, the band sawing machine body 1 is provided with brackets 8 on both sides of the lower end thereof, two sets of brackets 8 are provided with channel steel 9 at the lower end thereof via bolts, the channel steel 9 is provided with first bar holes 10 on both sides of the top thereof, the first bar holes 10 are movably inserted with first screws 11, the first screws 11 are sleeved with first bearings 12 on the outside thereof, the channel steel 9 is provided with second bar holes 13 on both sides of one end thereof, the second bars 13 are inserted with second screws 14 on the inside thereof, the second screws 14 are sleeved with second bearings 15 on the outside thereof, the second screws 14 and the first screws 11 are respectively connected with nuts 16 on the outside thereof via screw threads, the second screws 14 and the first screws 11 are respectively welded with stoppers 20 on the ends thereof, one side of the stoppers 20 is provided with spring pads, the stoppers 20 restrict the positions of the second screws 14 and the first screws 11 in the second bar holes 13 and the first bar holes 10, thereby facilitating the tightening of the nuts 16, the fixing is carried out, key grooves 21 are respectively formed in one sides of the second screw rod 14 and the first screw rod 11, keys 22 are movably inserted into the key grooves 21, the keys 22 can fix the inner rings of the first bearing 12 and the second bearing 15, and therefore the positions of the first bearing 12 and the second bearing 15 on the first screw rod 11 and the second screw rod 14 are fixed.

The working principle is as follows: when the tension degree of the saw blade is adjusted, the bearing seat 5 is driven by the hydraulic cylinder 7 to move in the tension seat 6, so that the driven wheel 4 is translated, the tension of the saw blade is conveniently adjusted, the structure is simple, the actual operation is more convenient, and convenience is brought to the replacement of the saw blade and the adjustment of the tension; first bearing 12 and second bearing 15 are installed through first screw rod 11 and second screw rod 14 in first bar hole 10 and second bar hole 13, and the position of adjustment first screw rod 11 and second screw rod 14 in first bar hole 10 and second bar hole 13 can be with the saw blade centre gripping and carry on spacingly to the height of saw blade, is favorable to better location to the saw blade.

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 a high-speed band sawing machine saw band straining device, includes band sawing machine body (1), its characterized in that: a driving wheel (3) and a driven wheel (4) are rotatably mounted on one side of the band sawing machine body (1) through a rotating shaft (2), the rotating shaft (2) in the driven wheel (4) is inserted into a bearing seat (5), the bearing seat (5) is movably connected into a tensioning seat (6), and one side of the tensioning seat (6) is connected with the output of a hydraulic cylinder (7); support (8) are installed to the lower extreme of band saw (1), channel-section steel (9) are installed through the bolt to the lower extreme of support (8), first bar hole (10) have all been seted up to the top both sides of channel-section steel (9), the inside activity of first bar hole (10) is pegged graft and is had first screw rod (11), first bearing (12) have been cup jointed to the outside of first screw rod (11), second bar hole (13) have all been seted up to the one end both sides of channel-section steel (9), the inside of second bar hole (13) is pegged graft and is had second screw rod (14), second bearing (15) have been cup jointed to the outside of second screw rod (14), the equal threaded connection in outside of second screw rod (14) and first screw rod (11) has nut (16).

2. The saw band tensioning mechanism of a high speed band sawing machine according to claim 1 wherein: tensioning seat (6) include frame (17), frame (17) pass through the bolt and install in one side of band saw (ing) machine body (1).

3. The saw band tensioning mechanism of a high speed band sawing machine according to claim 2 characterised in that: the inside of frame (17) is equipped with slide rail (18), slide groove (19) with slide rail (18) assorted are all seted up to the both sides of bearing frame (5).

4. The saw band tensioning mechanism of a high speed band sawing machine according to claim 1 wherein: the end parts of the second screw rod (14) and the first screw rod (11) are welded with limit blocks (20), and spring pads are arranged on one sides of the limit blocks (20).

5. The saw band tensioning mechanism of a high speed band sawing machine according to claim 1 wherein: and key grooves (21) are formed in one sides of the second screw (14) and the first screw (11), and keys (22) are movably inserted in the key grooves (21).

6. The saw band tensioning mechanism of a high speed band sawing machine according to claim 1 wherein: one side of the band sawing machine body (1) is provided with a through hole (23) matched with the rotating shaft (2).