阅读说明：本技术 一种锯条校直装置 (Saw blade straightening device ) 是由 胡德亮 胡萱萱 金孟雄 章特 于 2019-12-05 设计创作，主要内容包括：本发明公开一种锯条校直装置,包括底座和设于底座内的电机,底座的顶面沿锯条加工方向依次设有多组压轮,每组压轮包括一个主动轮、一个承动轮和一个气缸,每组压轮的主动轮和承动轮之间均设有锯条加工缝；每个承动轮面向锯条的一侧均为凸面,每个主动轮面向锯条的一侧均为凹面,锯条设于锯条加工缝内,且锯条的凸面与承动轮的凸面相对；调节每组压轮的气缸压力,电机驱动主动轮运转,气缸推动承动轮向主动轮方向移动,主动轮带动承动轮同步转动,对锯条进行校直。采用本发明所述锯条校直装置进行校直后的锯条横向直线度可以保证在锯条宽度的千分之一以内,符合出厂标准。(The invention discloses a saw blade straightening device which comprises a base and a motor arranged in the base, wherein a plurality of groups of pressing wheels are sequentially arranged on the top surface of the base along the processing direction of a saw blade, each group of pressing wheels comprises a driving wheel, a bearing wheel and a cylinder, and a saw blade processing seam is arranged between the driving wheel and the bearing wheel of each group of pressing wheels; one side of each bearing wheel facing the saw blade is a convex surface, one side of each driving wheel facing the saw blade is a concave surface, the saw blade is arranged in the processing seam of the saw blade, and the convex surface of the saw blade is opposite to the convex surface of the bearing wheel; the pressure of the air cylinder of each group of pressing wheels is adjusted, the motor drives the driving wheel to operate, the air cylinder pushes the bearing wheel to move towards the driving wheel, and the driving wheel drives the bearing wheel to synchronously rotate to straighten the saw blade. The transverse straightness of the saw blade straightened by the saw blade straightening device can be guaranteed to be within one thousandth of the width of the saw blade, and the saw blade straightening device meets factory standards.)

1. The utility model provides a saw blade coalignment, includes the base and locates the motor in the base, its characterized in that: a plurality of groups of pinch rollers are sequentially arranged on the top surface of the base along the processing direction of the saw blade, each group of pinch rollers comprises a driving wheel, a bearing wheel and a cylinder, and a saw blade processing seam is arranged between the driving wheel and the bearing wheel of each group of pinch rollers; one side of each bearing wheel facing the saw blade is a convex surface, one side of each driving wheel facing the saw blade is a concave surface, the saw blade is arranged in the processing seam of the saw blade, and the convex surface of the saw blade is opposite to the convex surface of the bearing wheel; the pressure of the air cylinder of each group of pressing wheels is adjusted, the motor drives the driving wheel to operate, the air cylinder pushes the bearing wheel to move towards the driving wheel, and the driving wheel drives the bearing wheel to synchronously rotate to straighten the saw blade.

2. The saw blade straightening device according to claim 1, wherein: each group of cylinders is provided with a pressure adjusting device, and the cylinder pressures of the multiple groups of pinch rollers are not completely the same.

3. The saw blade straightening device according to claim 1, wherein: along the processing direction of the saw blade, 3 groups of pressing wheels are arranged, and the pressure of the air cylinders is 0.6-0.8MPA, 0.5-0.7MPA and 0.4MPA in sequence.

4. Saw blade straightening arrangement according to any of the claims 1-3, characterized in that: the top surface of base still is equipped with leading wheel and spacing round, and the upper reaches of multiunit pinch roller is located to the leading wheel, and the low reaches of multiunit pinch roller is located to spacing round, and the saw blade working face of leading wheel and spacing round and the saw blade machined surface that the multiunit pinch roller formed are located the coplanar, adjust the machining height of the adjustable saw blade of spacing round.

5. The saw blade straightening device according to claim 4, wherein: the bottom end of the driving wheel of each group of pinch rollers is provided with a driving wheel gear and a multi-wedge wheel, the motor drives the driving wheel at the most upstream to run through a first multi-wedge belt, and the driving wheel at the most upstream drives the driving wheel at the downstream to run synchronously through a second multi-wedge wheel.

6. The saw blade straightening device according to claim 5, wherein: the bottom end of the bearing wheel of each group of pinch rollers is provided with a bearing wheel gear, and the cylinder pushes the bearing wheel to move towards the direction of the driving wheel, so that the bearing wheel gear is meshed with the driving wheel gear to carry out transmission.

7. The saw blade straightening device according to claim 6, wherein: the cylinder of each group of pinch rollers pushes the bearing wheel to move through the slide block, and the bearing wheel is arranged on the slide block.

8. The saw blade straightening device according to claim 7, wherein: and pressing plates are arranged on two sides of the sliding block and are matched with the base to lock the sliding block.

9. The saw blade straightening device according to claim 8, wherein: each group of bearing wheels is connected with a bearing wheel shaft and a bearing seat, the bearing wheel shaft penetrates through the middle part of the sliding block, and the bearing seat is arranged on the lower surface of the sliding block and is matched with the bearing wheel shaft through a bearing; the bottom of the bearing wheel shaft is provided with a shaft sleeve and a bearing wheel gear.

10. The saw blade straightening device according to claim 9, wherein: each group of driving wheels is connected with a driving wheel shaft, the driving wheel shaft penetrates through a fixed plate, and the fixed plate is fixedly connected with the base; the cylinder pushes the sliding block to drive the bearing wheel to move towards the direction of the driving wheel shaft, so that the gear of the bearing wheel is meshed with the gear of the driving wheel to carry out transmission.

Technical Field

The invention relates to the field of saw blade processing, in particular to a saw blade straightening device.

Background

The bimetal band saw blade is subjected to hot rolling, cold rolling and heat treatment for many times in production, and then the saw blade can deform in different degrees, wherein the cross section of the saw blade can deform in different degrees, namely the transverse straightness deformation of the saw blade, and the deformation is one of key indexes of the saw blade influencing the precision in sawing. Before the saw blade leaves the factory, it must be checked whether its transverse straightness is out of tolerance. At present, the saw blade in large department is scrapped if the transverse straightness accuracy is out of tolerance. The disadvantages are as follows: the yield of the product is reduced, and the sawing precision is influenced.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides the saw blade straightening device, and the transverse straightness of the straightened saw blade can be guaranteed within one thousandth of the width of the saw blade, so that the straightened saw blade meets the factory standard.

In order to achieve the purpose, the invention adopts the following technical scheme:

a saw blade straightening device comprises a base and a motor arranged in the base, wherein a plurality of groups of pressing wheels are sequentially arranged on the top surface of the base along the machining direction of a saw blade, each group of pressing wheels comprises a driving wheel, a bearing wheel and a cylinder, and a saw blade machining seam is arranged between the driving wheel and the bearing wheel of each group of pressing wheels; one side of each bearing wheel facing the saw blade is a convex surface, one side of each driving wheel facing the saw blade is a concave surface, the saw blade is arranged in the processing seam of the saw blade, and the convex surface of the saw blade is opposite to the convex surface of the bearing wheel; the pressure of the air cylinder of each group of pressing wheels is adjusted, the motor drives the driving wheel to operate, the air cylinder pushes the bearing wheel to move towards the driving wheel, and the driving wheel drives the bearing wheel to synchronously rotate to straighten the saw blade.

As one of the preferable schemes of the invention, each group of cylinders is provided with a pressure adjusting device, and the cylinder pressures of the multiple groups of pinch rollers are not completely the same.

As one preferable scheme of the invention, 3 groups of pressing wheels are arranged along the processing direction of the saw blade, and the pressure of the air cylinder is 0.6-0.8MPA, 0.5-0.7MPA and 0.4MPA in sequence.

As one of the preferable schemes of the invention, the top surface of the base is also provided with guide wheels and limiting wheels, the guide wheels are arranged at the upstream of the plurality of groups of pressing wheels, the limiting wheels are arranged at the downstream of the plurality of groups of pressing wheels, the working surfaces of the saw blades of the guide wheels and the limiting wheels and the processing surface of the saw blade formed by the plurality of groups of pressing wheels are positioned in the same plane, and the processing height of the saw blade can be adjusted by adjusting the limiting wheels.

As one of the preferable schemes of the invention, the bottom end of the driving wheel of each group of the pressing wheels is provided with a driving wheel gear and a multi-wedge wheel, the motor drives the most upstream driving wheel to run through a first multi-wedge belt, and the most upstream driving wheel drives the downstream driving wheel to run synchronously through a second multi-wedge wheel.

As one of the preferable schemes of the invention, the bottom end of the bearing wheel of each group of the pressing wheels is provided with a bearing wheel gear, and the cylinder pushes the bearing wheel to move towards the driving wheel, so that the bearing wheel gear is meshed with the driving wheel gear to carry out transmission.

As one of the preferable schemes of the invention, the cylinder of each group of the pinch rollers pushes the bearing wheel to move through the slide block, and the bearing wheel is arranged on the slide block.

As one of the preferable schemes of the invention, the two sides of the sliding block are provided with pressing plates which are matched with the base to lock the sliding block.

As one of the preferable schemes of the invention, each group of bearing wheels is connected with a bearing wheel shaft and a bearing seat, the bearing wheel shaft passes through the middle part of the sliding block, and the bearing seat is arranged on the lower surface of the sliding block and is matched with the bearing wheel shaft through a bearing; the bottom of the bearing wheel shaft is provided with a shaft sleeve and a bearing wheel gear.

As one of the preferable schemes of the invention, each group of driving wheels is connected with a driving wheel shaft, the driving wheel shaft passes through a fixed plate, and the fixed plate is fixedly connected with a base; the cylinder pushes the sliding block to drive the bearing wheel to move towards the direction of the driving wheel shaft, so that the gear of the bearing wheel is meshed with the gear of the driving wheel to carry out transmission.

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

the invention adopts a plurality of groups of pressing wheels, each group of pressing wheels adopts a convex-concave design, and the saw blade is corrected and deformed for many times. According to different specifications of the saw blade, the press wheels with different heights need to be replaced, and different pressures are set for the press wheels according to the transverse straightness accuracy to straighten the deformation of the saw blade. The transverse straightness of the straightened saw blade can be guaranteed to be within one thousandth of the width of the saw blade, the saw blade meets the factory standards, and the problems of saw inclination, core digging, poor surface finish and the like caused by the influence of the transverse straightness in the saw cutting process are avoided; the yield of the product is also improved.

Drawings

FIG. 1 is a front view of the saw blade straightening apparatus of the present invention;

FIG. 2 is a top view of the saw blade straightening apparatus 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 cross-sectional view B-B of FIG. 2;

FIG. 5 is an enlarged view of the area indicated by the circle in FIG. 3;

FIG. 6 is a schematic perspective view of each set of follower wheels and sliders;

FIG. 7 is a schematic plan view of each set of follower wheels and sliders;

fig. 8 is a schematic sectional view a-a shown in fig. 7.

In the figure: 1-a base, 2-a bearing wheel gear, 3-a driving wheel gear, 4-a poly wedge wheel, 5-a saw blade, 6-a first poly wedge belt, 7-a second poly wedge belt, 8-a motor, 9-a first driving wheel, 10-a second driving wheel, 11-a third driving wheel, 12-a guide wheel, 13-a first air cylinder, 14-a first bearing wheel, 15-a second air cylinder, 16-a second bearing wheel, 17-a third air cylinder, 18-a third bearing wheel, 19-a slide block, 20-a limiting wheel and 21-a bearing wheel convex surface; 22-pressure plate, 23-bearing, 24-bearing seat, 25-bearing wheel shaft and 26-shaft sleeve.

Detailed Description

The technical solution of the present invention is further described below by means of specific examples.

As shown in fig. 1-4, the saw blade straightening device of this embodiment includes a base 1, a motor 8, and 3 sets of pinch rollers disposed at the top of the base, each set of pinch roller includes a driving wheel, a driven wheel, and a cylinder, the first set of pinch roller includes a first driving wheel 9, a first driven wheel 14, and a first cylinder 13, the second set of pinch roller includes a second driving wheel 10, a second driven wheel 16, and a second cylinder 15, and the third set of pinch roller includes a third driving wheel 11, a third driven wheel 18, and a third cylinder 17.

The bottom end of each driving wheel is provided with a driving wheel gear 3 and a multi-wedge wheel 4, a motor 8 drives a first driving wheel 9 to operate through a first multi-wedge belt 6, and the first driving wheel 9, a second driving wheel 10 and a third driving wheel 11 are mutually transmitted through a second multi-wedge belt 7.

The bearing wheel is arranged on the sliding block 19, the sliding block 19 is connected with the air cylinder, the bearing wheel gear 2 is arranged at the bottom end of the bearing wheel, and the air cylinder pushes the bearing wheel on the sliding block to move towards the driving wheel, so that the bearing wheel gear 2 is meshed with the driving wheel gear 3 to be driven.

As shown in fig. 5, the pressure of the air cylinder is adjusted to the minimum value, so that the first bearing wheel 14, the second bearing wheel 16 and the third bearing wheel 18 are respectively opened with the first driving wheel 9, the second driving wheel 10 and the third driving wheel 11, the convex surface of the saw blade 5 is arranged opposite to the convex surface 21 of each bearing wheel, and the saw blade sequentially passes through the guide wheels 12 and the 3 groups of pressing wheels; the saw blade 5 is adjusted to move in the height direction by adjusting the limiting wheel 20, so that the saw blade is straightened at a proper position.

Each cylinder is provided with a pressure regulating device to set different pressures; the pressure of the first air cylinder 13 is set to be 0.6-0.8MPA, the pressure of the second air cylinder 15 is set to be 0.5-0.7MPA, the pressure of the third air cylinder 17 is set to be 0.4MPA, and the transverse straightness accuracy value can be changed by adjusting the transverse straightness accuracy of the saw blade before correction. The pressure of the third cylinder 17 is intended to prevent the spring-back of the saw blade 5 after calibration.

As shown in fig. 6-8, the carrying wheel is mounted on the sliding block 19 in this embodiment, and the pressing plates 22 are provided on both sides of the sliding block 19, and the pressing plates 22 cooperate with the base 1 to lock the sliding block 19 so that the sliding block 19 can move horizontally in a limited area. The three groups of bearing wheels have the same structure, for example, a third bearing wheel is used, the third bearing wheel 18 is connected with a bearing wheel shaft 25, a bearing 23, a bearing seat 24, a shaft sleeve 26 and a bearing wheel gear 2, the bearing wheel shaft 25 penetrates through the middle of the sliding block, and the bearing seat 24 is arranged on the lower surface of the sliding block 19 and is rotatably connected with the bearing wheel shaft 25 through the bearing 23. The three groups of driving wheels have the same structure, the driving wheel shafts penetrate through the fixing plate, the fixing plate is fixedly connected with the base, and the driving wheels are limited to move in the horizontal direction, namely the driving wheels are kept fixed on the base. The inner diameter of the shaft sleeve at the bottom of the driving wheel shaft is consistent with the inner diameter of the multi-wedge wheel mounting hole, so that the multi-wedge wheel and the shaft sleeve can be directly exchanged. Under the pushing of the cylinder 17, the slide block 19 drives the bearing wheel shaft 25 to move towards the driving wheel shaft direction, so that the bearing wheel gear 2 is meshed with the driving wheel gear 3 for transmission.

Adopt this embodiment the process of saw blade coalignment to the saw blade alignment does:

placing the saw blade at a saw blade processing position formed by the guide wheel 12, the three groups of pressing wheels and the limiting wheel 20, and enabling the convex surface of the saw blade 5 to face the convex surface 21 of the bearing wheel; the height of saw blade 5 is adjusted in order to adjust spacing wheel 20, adjusts the cylinder pressure of three group's pinch rollers according to the horizontal straightness accuracy size of saw blade 5, starts motor and cylinder, and the motor drives the action wheel and holds the driving wheel and rotate, straightens the saw blade.

In the embodiment, 3 groups of pressing wheels with the diameter of 100mm and the height of 20-40mm are adopted, and each group of pressing wheels adopts a convex-concave design to correct deformation of the saw blade for multiple times. According to different specifications of the saw blade, the pressing wheels with different heights need to be replaced, and different pressures are set for the 3 groups of pressing wheels according to the transverse straightness accuracy to straighten the deformation of the saw blade. The transverse straightness of the straightened saw blade can be guaranteed to be within one thousandth of the width of the saw blade, the saw blade meets the factory standards, and the problems of saw inclination, core digging, poor surface finish and the like caused by the influence of the transverse straightness in the saw cutting process are avoided; the yield of the product is also improved.

While the embodiments of the present invention have been described in detail, it will be apparent to those skilled in the art that variations may be made in the embodiments without departing from the spirit of the invention, and such variations are to be considered within the scope of the invention.