CN212019607U

CN212019607U - Sawing device for cutting off steel rail

Info

Publication number: CN212019607U
Application number: CN202020418276.2U
Authority: CN
Inventors: 刘红霞; 刘开源; 王永利
Original assignee: Ruzhou Zhengtie Sanjia Turnout Co ltd
Current assignee: Ruzhou Zhengtie Sanjia Turnout Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-11-27
Anticipated expiration: 2030-03-27

Abstract

The utility model relates to a saw cut device for cutting off rail, including two automatic conveying platforms, it is by square frame and just rotate side by side and establish a plurality of transfer rollers in square frame and constitute, two automatic conveying platforms set up side by side along its direction of transfer and there is the interval between the two, the vertical and fixed first pneumatic cylinder that is equipped with in interval top, the piston rod of first pneumatic cylinder down and fixedly connected with knife rest, it is equipped with the saw blade to rotate on the knife rest, the square frame of an automatic conveying platform is fixed on its direction of transfer's a side frame and is equipped with a shape support that falls and the transfer roller top of this automatic conveying platform is equipped with a baffle, baffle one side sliding sleeve establishes on the horizontal part of support and accessible bolt locking is fixed, the baffle is equipped with travel switch towards the face lower part of saw blade direction. The utility model discloses but automatic feeding conveys to can utilize the baffle and the travel switch on it saw cuts the accurate control of volume, and saw cuts the volume adjustable, but greatly reduced intensity of labour improves and saw cuts efficiency and quality.

Description

Sawing device for cutting off steel rail

Technical Field

The utility model belongs to the technical field of rail production and processing, concretely relates to saw cut device for cutting off rail.

Background

The rails are the main components of railway tracks and their function is to guide the wheels of the rolling stock forward, to withstand the great stresses of the wheels and to transmit them to the sleepers. The rails must provide a continuous, smooth and minimally resistant rolling surface for the wheels, and in electrified railroad or auto block sections, the rails can also double as track circuits. When the steel rail is used, the steel rail is usually cut into a fixed length by utilizing sawing equipment according to actual needs, and the steel rail can be used after meeting the required specification. However, most of the existing sawing equipment needs to depend on manual feeding, the labor intensity is high, the efficiency is low, manual measurement is needed, the use state of a measuring tool and the operation level of personnel have great influence on the sawing length error of the steel rail, the cutting precision of the steel rail is difficult to effectively control, the final steel rail qualification rate is low, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a saw cut device for cutting off rail can automatic feeding convey to can utilize the travel switch on the baffle to saw cut the accurate control of length, and saw cut length adjustable, can greatly reduced intensity of labour, improve and saw cut efficiency and quality, in order to solve above-mentioned problem.

In order to achieve the above object, the utility model adopts the following technical scheme: a saw cutting device for cutting off steel rails comprises two automatic conveying tables, wherein the two automatic conveying tables are composed of a square frame and a plurality of conveying rollers arranged in the square frame in a parallel and rotating mode at intervals, the axis direction of each conveying roller is perpendicular to the length direction of the corresponding automatic conveying table, all the conveying rollers rotate synchronously, the two automatic conveying tables are arranged in parallel along the conveying direction of the automatic conveying tables, a gap exists between the two automatic conveying tables, a first hydraulic cylinder is vertically and fixedly arranged above the gap, a piston rod of the first hydraulic cylinder faces downwards and is fixedly connected with a knife rest, a saw blade is arranged on the knife rest in a rotating mode, the axis direction of the saw blade is parallel to the conveying direction of the automatic conveying tables, a pair of vertical limiting mechanisms are symmetrically arranged above the two automatic conveying tables on two sides of the saw blade, and a plurality of groups of horizontal guiding limiting mechanisms are arranged on the square frame of the automatic conveying, the square frame of the other automatic conveying table is fixedly provided with an inverted support along the frame on one side of the conveying direction of the square frame, a baffle is arranged above the conveying roller of the automatic conveying table, one side of the baffle is slidably sleeved on the transverse part of the support and can be locked and fixed through a bolt, and a travel switch is arranged on the lower part of the plate surface of the baffle facing the direction of the saw blade.

Preferably, a connecting part is fixedly arranged at the upper part of one side of the baffle close to the bracket, a through groove adapted to the transverse part of the bracket is formed at the tail end of the connecting part, and the baffle is slidably connected to the transverse part of the bracket through the through groove.

Preferably, a plurality of internal thread limiting holes are formed in the transverse portion of the support at intervals, through holes matched with the internal thread limiting holes are formed in the tops of the through grooves, and one end of a screw rod of the bolt penetrates through the through holes and is screwed in the corresponding internal thread limiting holes.

Preferably, the vertical limiting mechanism comprises a second hydraulic cylinder which is vertically arranged, and a piston rod of the second hydraulic cylinder faces downwards and is fixedly connected with a pressing plate which is horizontally arranged.

Preferably, the horizontal guiding and limiting mechanism comprises two L-shaped wheel frames symmetrically arranged on frames at two sides of the square frame along the conveying direction of the square frame, the transverse parts of the two wheel frames are oppositely arranged, the tail ends of the two wheel frames are horizontally and rotatably connected with rollers, a gap exists between the two rollers which are oppositely arranged, the gap is consistent with the thickness of the rail web of the steel rail, and the rollers can roll along the rail web of the steel rail.

Preferably, the axes of the saw blade, the centre line of the presser plate in the conveying direction and the centre line of the rail in the conveying direction lie in the same vertical plane.

The utility model has the advantages that: the utility model has reasonable design and simple structure, and the two automatic conveying platforms can realize the automatic feeding and conveying of the steel rail material without depending on manual feeding, thereby greatly reducing the labor intensity and the operation difficulty of workers and greatly improving the production efficiency; the arrangement of the horizontal guide limiting mechanism can play a role in guiding and limiting the horizontal transmission of the steel rail, so that the steel rail is parallel to the automatic transmission table for linear transmission, the level of the sawing surface of the steel rail is ensured, and the sawing quality is improved; due to the arrangement of the vertical limiting mechanism, two sides of a sawing part can be pressed tightly, and the vibration displacement of the steel rail in the sawing process can be effectively prevented, so that the sawing action is smoothly and stably carried out, and the sawing quality is improved; the horizontal linear distance between the baffle and the saw blade is the fixed length of the required steel rail, the baffle and the travel switch on the baffle can realize automatic accurate fixed length measurement of the steel rail and cooperate with the automatic saw cutting action, the operation is convenient, the automation degree is high, the error can be greatly reduced, the saw cutting precision is ensured, and the efficiency and the quality of the saw cutting process are improved; the sliding connection of baffle on the support makes the baffle changeable with the distance of sawing the position, can satisfy the production needs of the rail of multiple specification according to the fixed length rail size that the actual required adjustment saw cut, and application scope is wide, can improve the use convenience and the flexibility of device greatly.

Drawings

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

fig. 2 is a left side view structure diagram of the present invention;

fig. 3 is a schematic view of the connection structure of the baffle and the bracket of the present invention.

Reference numbers in the figures: 1 is automatic conveying platform, 2 is square frame, 3 is the transfer roller, 4 is horizontal direction stop gear, 5 is the rail, 6 is vertical stop gear, 7 is first pneumatic cylinder, 8 is the knife rest, 9 is the saw blade, 10 is the second pneumatic cylinder, 11 is the clamp plate, 12 is the support, 13 is the spacing hole of internal thread, 14 is the baffle, 15 is travel switch, 16 is the wheel carrier, 17 is the gyro wheel, 18 is connecting portion, 19 is logical groove, 20 is the bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 to 3, a saw cut device for cutting off rail, including two automatic conveying platforms 1, two automatic conveying platforms 1 are by square frame 2 and interval and just rotate side by side and establish a plurality of transfer rollers 3 in square frame 2 and constitute, the axis direction of transfer roller 3 is perpendicular with the length direction of corresponding automatic conveying platform 1 and all transfer roller homogeneous phase rotate, synchronous pivoted concrete mode adopt prior art can, no longer describe here, two automatic conveying platforms 1 set up side by side along its direction of transfer simultaneously, can realize the automatic continuous feeding of rail material and carry, need not to rely on artifical material loading, but greatly reduced workman's intensity of labour and the operation degree of difficulty, improve production efficiency by a wide margin. There is the interval between two automatic conveying platform 1, the vertical and fixed first pneumatic cylinder 7 that is equipped with in interval top, the piston rod of first pneumatic cylinder 7 down and fixedly connected with knife rest 8, it is equipped with saw blade 9 to rotate on the knife rest 8, the axis direction of saw blade 9 is parallel with the direction of transfer of automatic conveying platform 1, during the use, can drive saw blade 9 through the flexible of the piston rod of first pneumatic cylinder 7 and be feed motion in vertical direction, cooperation saw blade 9 self rotary motion alright realize saw cutting action. Two automatic conveying platform 1 top symmetries of saw blade 9 both sides are equipped with a pair of vertical stop gear 6, vertical stop gear 6 includes the second pneumatic cylinder 10 of vertical setting, the piston rod of second pneumatic cylinder 10 is down and the clamp plate 11 that the fixedly connected has the level to set up, when sawing, through operation second pneumatic cylinder 10, make its piston rod extension, alright drive clamp plate 1 pushes down, thereby compress tightly rail 5 from the both sides at the position of sawing of rail 5, can effectively prevent to saw cut the vibration displacement of in-process rail 5, thereby guarantee to saw cut going on smoothly of action, improve and saw cut the quality. A square frame 2 of an automatic conveying platform 1 is provided with a plurality of groups of horizontal guiding and limiting mechanisms 4 at intervals along the conveying direction, each horizontal guiding and limiting mechanism 4 comprises two L-shaped wheel carriers 16 symmetrically arranged on frames at two sides of the square frame 2 along the conveying direction, the transverse parts of the two wheel carriers 16 are oppositely arranged, the tail ends of the two wheel carriers are horizontally and rotatably connected with rollers 17, a gap exists between the two oppositely arranged rollers 17, the gap is consistent with the thickness of the rail web of a steel rail 5, and the rollers 17 can roll along the rail web of the steel rail 5, so that in the process of conveying the steel rail 5 by the automatic conveying platform 1, the rail web of the steel rail 5 can enter the gap between the two oppositely arranged rollers 17, the steel rail 5 can advance under the action of a conveying roller 3 for conveying, and simultaneously, the rollers 17 can roll relatively on the rail web of the steel rail 5, thereby playing a role in guiding and limiting for the horizontal conveying of the steel rail, the steel rail 5 is parallel to the automatic conveying table 1 for linear conveying, the level of the sawing surface of the steel rail 5 is ensured, and the sawing quality is improved. The axes of the saw blade 9, the centre line of the pressing plate 11 in the conveying direction and the centre line of the steel rail 5 in the conveying direction are located in the same vertical plane, so that the pressing and sawing actions are accurately and smoothly carried out, and the sawing quality is ensured.

A reverse support 12 is fixedly arranged on one side frame of a square frame 2 of the other automatic conveying platform 1 opposite to the automatic conveying platform 1 on which the roller 17 is arranged along the conveying direction, a baffle plate 14 is arranged above the conveying roller 3 of the automatic conveying platform 1 and can block the conveying of the steel rail 5, the horizontal linear distance between the baffle plate 14 and the saw blade 9 is the fixed length size of the required steel rail 5, so that the automatic accurate measurement of the fixed length steel rail 5 is realized, meanwhile, a travel switch 15 is arranged at the lower part of the plate surface of the baffle plate 14 facing to the direction of the saw blade 9, so that the travel switch 15 can be pressed down by the steel rail 5 when the baffle plate 14 blocks the steel rail 5, and when the automatic measuring device is used, the travel switch 15, a control circuit of the conveying roller 3, a control circuit for rotating the saw blade 9, a control circuit for operating the first hydraulic cylinder 7 and a control circuit for operating the second hydraulic cylinder 10 can be electrically connected on the control center by, make travel switch 15 by the back of being pushed down, control center can automatic control stop the rotation of transfer roller 3, stop the transport of rail, control operation second hydraulic cylinder 10 earlier after that, control pressing plate 11 pushes down and compresses tightly fixedly to the rail, move first hydraulic cylinder 7 and rotate saw blade 9 again, make saw blade 9 rotate and be the ascending feed motion of vertical side, realize sawing the action, pass through baffle 14 promptly and travel switch 15 thereon, can realize that the automatic accurate fixed length of rail is measured and the cooperation is accomplished the automatic action of sawing, the high automation degree, can reduce the error greatly, guarantee to saw cut the precision, improve the efficiency and the quality of sawing the process. Saw cut the completion back, saw blade 9 and clamp plate 11 return and reset, can be by the manual work will be located that the baffle 14 is located the good fixed length rail 5 of saw cutting on the automatic conveying platform 1 takes off, alright accomplish once saw cuts, when this fixed length rail 5 takes off, travel switch 15 resets, transfer roller 3 continues to rotate, realize the continuous automatic conveying material loading of follow-up rail 5, then the action is cut to repeated fixed length saw, realize the automatic feeding and the accurate fixed length of rail 5 and saw cut the process, but greatly reduced intensity of labour, improve and saw cut precision and quality. Baffle 14 one side sliding sleeve establishes on the horizontal part of support 12 and accessible bolt 20 locking is fixed for the baffle 14 is variable with the distance of sawing the position, can be according to the fixed length rail size that actual required adjustment saw cut, satisfies the production needs of the rail 5 of multiple specification, and application scope is wide, can improve the use convenience and the flexibility of device greatly.

In this embodiment, a connecting portion 18 is fixedly disposed on an upper portion of one side of the fence 14 close to the support 12, and a through slot 19 adapted to a transverse portion of the support 12 is disposed at a tail end of the connecting portion 18, so that the fence 14 can be slidably connected to the transverse portion of the support 12 through the through slot 19, and the precise adjustment of the length of the steel rail 5 to be sawn is cooperatively achieved. The horizontal part of support 12 goes up the interval and is equipped with the spacing hole of a plurality of internal threads 13, leads to the groove 19 top and is equipped with the through-hole with the spacing hole of internal thread 13 looks adaptation for after the position of baffle 14 is confirmed, pass the through-hole with the screw rod one end of bolt 20 and screw in the spacing hole of internal thread 13 that corresponds, alright fix baffle 14, thereby make it can cooperate the fixed length measurement and the saw cutting of sawing the rail. The specific position of the internal thread limiting hole 13 in the transverse part of the bracket 12 is determined according to different lengths of the steel rail which needs to be sawn actually.

The utility model discloses a theory of operation: the utility model discloses when using, adjust the position of baffle 14 according to the length of required rail 5 earlier to guarantee accurate saw cutting volume, specifically do: the bolts 20 are loosened, the baffle plate 14 is moved, the through grooves 19 are moved to the internal thread limiting holes 13 corresponding to the required length, and then the bolts 20 are installed back to the corresponding through holes and the corresponding internal thread limiting holes 13. Then material loading, the end of the automatic conveying platform 1 where the horizontal guiding and limiting mechanism 4 is located, which is far away from the other automatic conveying platform 1, is a material loading end, the steel rail 5 is firstly conveyed to the automatic conveying platform 1 from the material loading end, the conveying rollers 3 on the two automatic conveying platforms 1 synchronously rotate, and then the steel rail 5 can be automatically conveyed towards the direction of the baffle 14, in the conveying process, the rail web of the steel rail 5 enters a gap between the two rollers 17 which are oppositely arranged, the steel rail 5 is conveyed forwards under the action of the conveying rollers 3, the rollers 17 relatively roll on the rail web of the steel rail 5, so that the guiding and limiting effects are achieved on the horizontal conveying of the steel rail 5, the steel rail 5 is enabled to be parallel to the automatic conveying platform 1 for linear conveying, the level of the sawing surface of the steel rail 5 is ensured, and the sawing quality is. The rail 5 reaches 14 departments of baffle and then presses down travel switch 15, gives the control center signal, and after the control center received the signal, automatic control stopped the rotation of transfer roller 3 earlier, and control operation second hydraulic cylinder 10 again makes its piston rod extension push down clamp plate 11 on rail 5 to compress tightly the both sides at the position of sawing, avoid sawing the vibration influence of in-process rail 5 and saw cut the quality. And then, the first hydraulic cylinder 7 is controlled to operate, the saw blade 9 rotates, and the saw blade 9 rotates and simultaneously performs feeding motion in the vertical direction along with the extension of the piston rod of the first hydraulic cylinder 7, so that the sawing action on the steel rail 5 is realized. Saw cut the completion back, saw blade 9 and clamp plate 11 return and reset, will be located by the manual work and take off the good fixed length rail 5 of saw cutting on the automatic conveying platform 1 of baffle 14 place, alright accomplish once saw cut, when this fixed length rail 5 takes off, travel switch 15 resets, transfer roller 3 continues to rotate, realize the continuous automatic conveying material loading of follow-up rail 5, then the action is saw cut to repeated fixed length, realize the automatic feeding and the accurate fixed length of rail 5 and saw cut the process, but greatly reduced intensity of labour, improve and saw cut precision and quality.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A saw cutting device for cutting off steel rails is characterized by comprising two automatic conveying tables, wherein the two automatic conveying tables are composed of a square frame and a plurality of conveying rollers arranged in the square frame in a parallel and rotating mode at intervals, the axis direction of each conveying roller is perpendicular to the length direction of the corresponding automatic conveying table, all the conveying rollers synchronously rotate, the two automatic conveying tables are arranged in parallel along the conveying direction of the automatic conveying tables, intervals exist between the two automatic conveying tables, a first hydraulic cylinder is vertically and fixedly arranged above the intervals, a piston rod of the first hydraulic cylinder faces downwards and is fixedly connected with a knife rest, a saw blade is arranged on the knife rest in a rotating mode, the axis direction of the saw blade is parallel to the conveying direction of the automatic conveying tables, a pair of vertical limiting mechanisms are symmetrically arranged above the two automatic conveying tables on two sides of the saw blade, and a plurality of groups of horizontal guiding limiting mechanisms are arranged on the square frame of the automatic conveying tables along, the square frame of the other automatic conveying table is fixedly provided with an inverted support along the frame on one side of the conveying direction of the square frame, a baffle is arranged above the conveying roller of the automatic conveying table, one side of the baffle is slidably sleeved on the transverse part of the support and can be locked and fixed through a bolt, and a travel switch is arranged on the lower part of the plate surface of the baffle facing the direction of the saw blade.

2. The sawing device for cutting off steel rails according to claim 1, wherein a connecting part is fixedly arranged on the upper part of one side of the baffle close to the support, a through groove adapted to the transverse part of the support is formed at the tail end of the connecting part, and the baffle is slidably connected to the transverse part of the support through the through groove.

3. The sawing device for cutting off steel rails according to claim 2, wherein a plurality of internal thread limiting holes are formed in the transverse portion of the support at intervals, a through hole matched with the internal thread limiting holes is formed in the top of the through groove, and one end of a screw rod of the bolt penetrates through the through hole and is screwed in the corresponding internal thread limiting hole.

4. The sawing device for cutting off steel rails according to claim 1, wherein the vertical limiting mechanism comprises a second hydraulic cylinder which is vertically arranged, and a piston rod of the second hydraulic cylinder faces downwards and is fixedly connected with a horizontally arranged pressing plate.

5. The sawing device for cutting off steel rails according to claim 4, wherein the horizontal guiding and limiting mechanism comprises two L-shaped wheel carriers symmetrically arranged on the frames at two sides of the square frame along the conveying direction, the transverse parts of the two wheel carriers are oppositely arranged, the tail ends of the two wheel carriers are horizontally and rotatably connected with rollers, a gap exists between the two oppositely arranged rollers, the gap is consistent with the thickness of the rail web of the steel rail, and the rollers can roll along the rail web of the steel rail.

6. Sawing device for severing a rail according to claim 5, characterised in that the axis of the saw blade, the centre line of the pressure plate in the conveying direction and the centre line of the rail in the conveying direction lie in the same vertical plane.