阅读说明：本技术 一种圆盘锯防钢板应力变形装置 (Steel plate stress deformation preventing device for circular saw ) 是由 凌益民 黄朋飞 于 2020-03-23 设计创作，主要内容包括：本发明涉及圆盘锯切割防护技术领域,尤其涉及一种圆盘锯防钢板应力变形装置,包括圆盘锯,圆盘锯的输出端设置有锯片,所述圆盘锯在锯片的下方设置有放置平台,放置平台的一侧设置有楔块结构,放置平台在凸缘两端的下表面分别设置有调节结构,通过楔块结构限制钢板靠向锯割线变形,通过调节结构限制钢板背向锯割线变形,本发明解决了圆盘锯对钢板进行锯割的过程中,钢板产生不同程度的应力变形,影响生产,又影响钢板质量的问题,通过调节结构可以有效地限制钢板向外,而通过楔块结构则可以明显降低钢板锯割产生的变形量,防止钢板夹紧锯片,确保钢板锯割过程持续进行,有效延长了机器的使用寿命,并且产品的加工品质提升。(The invention relates to the technical field of cutting protection of a circular saw, in particular to a device for preventing stress deformation of a steel plate of the circular saw, which comprises the circular saw, wherein the output end of the circular saw is provided with a saw blade, the circular saw is provided with a placing platform below the saw blade, one side of the placing platform is provided with a wedge block structure, the lower surfaces of two ends of a flange of the placing platform are respectively provided with an adjusting structure, the deformation of the steel plate towards a sawing line is limited by the wedge block structure, and the deformation of the steel plate back to the sawing line is limited by the adjusting structure. Effectively prolong the life of machine to the processingquality of product promotes.)

1. The utility model provides a circular saw prevents steel sheet stress deformation device, including the circular saw, the output of circular saw is provided with saw bit (6), a serial communication port, the circular saw is provided with place the platform (7) in the below of saw bit (6), be used for placing work piece (5) on place the platform (7), act on this work piece (5) through saw bit (6), one side of place the platform (7) is provided with the voussoir structure, the voussoir structure is located same straight line with the direction of saw bit (6) radial motion, the mesa of place the platform face of platform (7) is provided with flange (72) along the edge of one side, the both ends of flange (72) are provided with rotatable digging arm (8), flange (72) and digging arm (8) surround work piece (5) and are half enclosure formula structure, place the platform (7) do not be provided with the regulation structure in the lower surface corresponding position punishment at the both, the deformation of the steel plate towards the sawing line is limited through the wedge block structure, and the deformation of the steel plate back to the sawing line is limited through the adjusting structure.

2. The method of using a circular saw with steel plate stress deformation prevention device as claimed in claim 1.

Technical Field

The invention relates to the technical field of circular saw cutting protection, in particular to a device for preventing stress deformation of a steel plate of a circular saw.

Background

The GD450 circular saw consists of a base, an upright post, a cross beam, a main shaft box, a speed changing device, a workpiece clamping device, a feeding device, a positioning device, a saw blade clamping device and other parts, and can realize continuous automatic feeding, automatic clamping and automatic sawing by adopting the control of a numerical control system. The oil mist cooling is adopted in the sawing process, the functions of lubrication and scrap blowing are achieved, the sawing speed can be high, and the working efficiency of the equipment is greatly improved. At present, using GD450 circular saw to carry out the in-process that saws the steel sheet, the steel sheet can produce the stress deformation of different degrees, and the steel sheet warp, can press from both sides the saw bit on the one hand and press from both sides tightly, influences the effective of sawing process and goes on, further can influence the life of machine, and on the other hand still can influence the output quality of steel sheet product. In order to solve the adverse factor, a device for preventing the stress deformation of the steel plate of the circular saw is provided.

Disclosure of Invention

The invention aims to solve the defects that in the process of sawing a steel plate by a circular saw in the prior art, the steel plate generates stress deformation with different degrees, which affects the production continuity and the appearance and quality of the steel plate production, and provides a device for preventing the stress deformation of the steel plate by the circular saw.

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

the utility model provides a circular saw prevents steel sheet stress deformation device, including the circular saw, the output of circular saw is provided with the saw bit, the circular saw is provided with place the platform in the below of saw bit, the last work piece that is used for of place the platform, act on this work piece through the saw bit, one side of place the platform is provided with the voussoir structure, the voussoir structure is located same straight line with saw bit radial movement's direction, place the platform face of platform is provided with the flange along the edge of one side, the both ends of flange are provided with rotatable digging arm, the flange surrounds the work piece with the digging arm and is half enclosed type structure, place the platform corresponds the position punishment at the lower surface at the both ends of flange and does not be provided with the regulation structure, limit the steel sheet through the voussoir structure and lean.

Preferably, the wedge block structure comprises a tail end fixing seat, an oil cylinder, a wedge block and a guide seat, the tail end fixing seat and the guide seat are fixedly arranged on the circular saw, the guide seat is located between the tail end fixing seat and the placing platform, the oil cylinder is arranged on the tail end fixing seat, the output end of the oil cylinder is connected with the wedge block through a hydraulic rod, the wedge block penetrates through the guide seat and extends towards the placing platform, and the wedge surface of the wedge block is located on the inner side of a sawing line of a workpiece.

Preferably, a through groove is formed in the platform surface of the placing platform and located right below the saw blade, wedge-shaped stop blocks are respectively arranged at positions, corresponding to the two ends of the side surface of the flange facing the movable arm, of the placing platform, and the stop blocks are matched with the inner side profile of the movable arm.

Preferably, the regulation structure is the regulating box of fixed mounting at flange both ends lower surface, and the inside of regulating box is provided with turns to room and brake chamber, turns to the inside of room and draws forth horizontal first pivot and vertical second pivot, and first pivot passes and turns to room, brake chamber and extend to the outside of regulating box, and first pivot is external to have the regulation handle, and the top of second pivot upwards extends to the inboard of flange to the top of second pivot pass through bearing part with the tip of digging arm is concentric fixed connection.

Preferably, a straight bevel gear combination is arranged inside the steering chamber, the straight bevel gear combination is composed of a straight bevel gear arranged on the side wall of the steering chamber and another straight bevel gear arranged on the top wall of the steering chamber, a first rotating shaft is inserted in the straight bevel gear on the side wall, and a second rotating shaft is inserted in the straight bevel gear on the top wall.

Preferably, the center of the braking chamber is provided with a ratchet wheel, the side wall of the braking chamber starts to form a through hole, a fixed block is arranged outside the through hole of the braking chamber, a movable rod capable of sliding in the radial direction is inserted into the fixed block, and the movable rod extends to the inner side of the through hole.

Preferably, a transverse through groove is formed in the fixed block, a fixed plate is arranged on the rod body of the movable rod, the fixed plate is located on the inner side of the through groove, a spring is sleeved on the rod body of the movable rod, one end of the spring is contacted with the fixed plate, and the other end of the spring is contacted with the groove wall of the through groove.

Preferably, the fixed block is provided with a mounting seat which is positioned at the inner side of the through hole, the mounting seat is hinged with a braking plate, and the end part of the braking plate is provided with a pawl arranged at the edge of the ratchet wheel and matched with the pawl.

Preferably, a push-pull handle is arranged at the end part of the movable rod extending to the outer side of the fixed block.

The invention has the beneficial effects that: protection architecture through this scheme provides, the in-process that the circular saw carried out the sawing to the steel sheet has been solved, the steel sheet produces the stress deformation of different degrees, both can influence production continuation, can influence the outward appearance of steel sheet production and the problem of quality, can restrict the steel sheet outwards through adjusting the structure effectively and warp, and through the voussoir structure then can obviously reduce the deflection that the steel sheet saw produced, prevent that the steel sheet from pressing from both sides tight saw bit, ensure that the steel sheet saw process lasts and go on, the life of machine has effectively been prolonged, and the processing quality of product promotes, suitable using widely.

Drawings

FIG. 1 is a schematic structural diagram of a circular saw with a device for preventing stress deformation of a steel plate according to the present invention;

FIG. 2 is a schematic top view of the device for preventing stress deformation of a steel plate of a circular saw according to the present invention;

FIG. 3 is a schematic structural diagram of a wedge of the device for preventing stress deformation of a steel plate of a circular saw according to the present invention;

FIG. 4 is a schematic structural view of a placement platform of the device for preventing stress deformation of a steel plate of a circular saw, which is provided by the invention;

FIG. 5 is an enlarged view of the position A in FIG. 1 of the device for preventing stress deformation of a steel plate of a circular saw according to the present invention;

fig. 6 is a schematic structural diagram of the brake chamber of the device for preventing stress deformation of the steel plate of the circular saw provided by the invention.

In the figure: 1 tail end fixing seat, 2 oil cylinders, 3 wedge blocks, 4 guide seats, 5 workpieces, 6 saw blades, 7 placing platforms, 71 through grooves, 72 flanges, 73 stop blocks, 8 movable arms, 9 adjusting boxes, 10 first rotating shafts, 11 straight bevel gear combinations, 12 braking chambers, 13 second rotating shafts, 14 ratchet wheels, 15 through holes, 16 fixing blocks, 17 fixing plates, 18 springs, 19 movable rods, 20 mounting seats, 21 braking plates and 22 adjusting handles.

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.

In this embodiment, refer to fig. 1-3, a circular saw prevents steel sheet stress deformation device, including the circular saw, the output of circular saw is provided with saw bit 6, the circular saw is provided with place the platform 7 in the below of saw bit 6, be used for placing work piece 5 on place the platform 7, act on this work piece 5 through saw bit 6, one side of place the platform 7 is provided with the voussoir structure, the voussoir structure is located same straight line with the direction of 6 radial movement of saw bit, as shown in fig. 4, set up logical groove 71 on place the platform face of place the platform 7, lead to groove 71 and be located saw bit 6 under, the purpose of setting up this logical groove 71 makes things convenient for saw bit 6 to cut off work piece 5 completely and leans on to the saw cutting line to warp through voussoi: the voussoir structure is by tail-end fixing base 1, hydro-cylinder 2, voussoir 3 and guide holder 4 are constituteed, tail-end fixing base 1 sets up on the circular saw with guide holder 4 is fixed, guide holder 4 is located between tail-end fixing base 1 and place the platform 7, be provided with hydro-cylinder 2 on the tail-end fixing base 1, the output of hydro-cylinder 2 is connected with voussoir 3 through the hydraulic stem, voussoir 3 passes guide holder 4 and extends towards place the platform 7, the scarf of voussoir 3 is located the saw cut line inboard of work piece 5.

The specific working principle is as follows: along with the linear cutting of the saw blade 6 to the work piece 5, the work piece 5 will take place to the phenomenon of middle deformation because of the saw cut line that produces, put the wedge point of voussoir on the saw cut line, promote the voussoir 3 through the hydro-cylinder 2 and extend to the saw cut line, along with the stress increase of work piece 5 to middle deformation, can promote the voussoir 3 to stretch into to the saw cut line, like this, have the restriction effect of voussoir 3 all the time in the saw cut line, both can reduce the deflection of work piece 5, can also effectively avoid the condition of work piece 5 centre gripping saw blade 6 because of the deformation simultaneously.

In this embodiment two, refer to fig. 1, 4, 5 and 6, a circular saw prevents steel sheet stress deformation device, including circular saw, circular saw's output is provided with saw bit 6, circular saw is provided with place the platform 7 in the below of saw bit 6, be used for placing work piece 5 on the place the platform 7, act on this work piece 5 through saw bit 6, place the platform face of platform 7 is provided with flange 72 along the edge of one side, the both ends of flange 72 are provided with rotatable digging arm 8, flange 72 surrounds work piece 5 with digging arm 8 and is half enclosed type structure, place the platform 7 corresponds the position punishment at the lower surface at the both ends of flange 72 and do not is provided with the regulation structure, restrict the steel sheet through adjusting the structure and warp to the saw secant dorsad:

the placing platform 7 is provided with wedge-shaped stoppers 73 at corresponding positions of two ends of the flange 72 facing the side surface of the movable arm 8, and the stoppers 73 are adapted to the inner profile of the movable arm 8.

The adjusting structure is an adjusting box 9 fixedly installed on the lower surfaces of two ends of the flange 72, and a steering chamber and a braking chamber 12 are arranged inside the adjusting box 9:

a straight bevel gear combination 11 is arranged inside the steering chamber, the straight bevel gear combination 11 consists of a straight bevel gear arranged on the side wall of the steering chamber and another straight bevel gear arranged on the top wall of the steering chamber, a first rotating shaft 10 is inserted in the straight bevel gear on the side wall, a second rotating shaft 13 is inserted in the straight bevel gear on the top wall, the first rotating shaft 10 penetrates through the steering chamber and the brake chamber 12 and extends to the outside of the adjusting box 9, an adjusting handle 22 is externally connected with the first rotating shaft 10, the top end of the second rotating shaft 13 extends upwards to the inner side of the flange 72, and the top end of the second rotating shaft 13 is concentrically and fixedly connected with the end part of the movable arm 8 through a bearing part;

a ratchet wheel 14 is arranged at the center of the brake chamber 12, a through hole 15 begins to be formed in the side wall of the brake chamber 12, a fixed block 16 is arranged outside the through hole 15 of the brake chamber 12, a movable rod 19 capable of sliding in the radial direction is inserted into the fixed block 16, the movable rod 19 extends to the inner side of the through hole 15, a transverse through groove is formed in the fixed block 16, a fixed plate 17 is arranged on a rod body of the movable rod 19, the fixed plate 17 is positioned at the inner side of the through groove, a spring 18 is sleeved on the rod body of the movable rod 19, one end of the spring 18 is contacted with the fixed plate 17, the other end of the spring 18 is contacted with the groove wall of the through groove, a mounting seat 20 is arranged on the fixed block 16, the mounting seat 20 is positioned at the inner side of the through hole 15, a brake plate 21 is hinged on the mounting seat 20, a pawl arranged at the end part of the brake plate 21 is matched with a pawl arranged at, the part of the movable rod 19 in the through hole 15 is contacted with the lower surface of the pawl plate 21, as shown in figure 6, so that under the restriction of the movable rod 19, under the normal condition, the pawl plate 21 is at the position as shown in figure 6, at the moment, the ratchet wheel 14 and the pawl plate 21 are restricted with each other, and the unidirectional rotation of the ratchet wheel 14 and the pawl plate 21 can be ensured without play or reverse rotation; when the handle needs to be turned reversely, the push-pull handle is pulled outwards.

The specific working principle is as follows: the ratchet wheel 14 in the brake chamber 12 and the straight bevel gear assembly 11 in the steering chamber can be driven to synchronously rotate by rotating the adjusting handle 22, the ratchet wheel 14 is arranged to ensure that the first rotating shaft 10 rotates in a single direction and has a stop effect, the straight bevel gear assembly 11 is arranged to rotate through the first rotating shaft 10 to realize that the second rotating shaft 13 drives the movable arm 8 to rotate, when the movable arms 8 on two sides are synchronously adjusted and rotate angularly, the workpiece 5 on the placing platform 7 can be clamped, one purpose of clamping is to maintain the position stability, and the other purpose of properly adjusting the deformation of the workpiece 5, which is caused by the overlarge stretching amount of the wedge block in the first embodiment, is to the outside.

Finally, the deformation of the workpiece 5 is reduced under the action of the internal and external deformation correction, the processing quality is improved, and the product quality is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.