CN215393715U

CN215393715U - Automatic cutting and grinding machine for steel bars at end part of switch tie

Info

Publication number: CN215393715U
Application number: CN202121735042.1U
Authority: CN
Inventors: 翟玉桥; 冯涛
Original assignee: Hebei Shouke Railway Equipment Co ltd
Current assignee: Hebei Shouke Railway Equipment Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-01-04
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses an automatic cutting and grinding machine for steel bars at the end parts of switch ties, which comprises a cutting platform for placing the switch ties, wherein a correction mechanism for adjusting the position of the switch ties is arranged on the cutting platform, two switch ties to be polished and trimmed are arranged between the correction mechanisms in parallel, two ends of each switch tie are respectively provided with a cutting mechanism with a positioning and cutting function, and the cutting mechanisms are arranged on a supporting frame. The grinding and trimming process of the reinforcing steel bars at the end parts of the switch sleepers is simpler and quicker, the grinding and trimming process can be applied to online production, the noise pollution is small, the positioning and cutting are convenient through the correcting mechanism, the labor intensity of workers is low, the automation degree is high, the problem that dust generated when the workers manually operate the switch sleepers harms the health is avoided, and the grinding and trimming process is suitable for the technical field of sleeper processing.

Description

Automatic cutting and grinding machine for steel bars at end part of switch tie

Technical Field

The utility model belongs to the technical field of sleeper processing, and particularly relates to an automatic cutting and grinding machine for reinforcing steel bars at the end part of a switch sleeper.

Background

The prestressed concrete sleeper is formed by pouring concrete and heat-treated high-strength steel bars, has the advantages of high bearing capacity, long service life, good stability and the like, and is widely applied to railway construction. Each switch tie is provided with 10-14 steel bars which are distributed according to the standard specification, and the length of the switch tie is 2.3-4.8 meters. During production, two rows of die grooves for pouring the switch ties are arranged in parallel in each model, the distance between the two die grooves is about 50mm, a plurality of switch ties can be poured and formed in each die groove at the same time, the switch ties are penetrated through by the reinforcing steel bars all the time, the die is formed after steam curing, the reinforcing steel bars between two adjacent switch ties are cut by a cutting machine to form a single switch tie, then a wire splitting plate is removed, the reinforcing steel bars at the end parts of the switch ties are polished and trimmed, and the reinforcing steel bars at the end parts of the switch ties are polished manually by an angle grinder until the exposed reinforcing steel bars are less than 3-5 mm.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic cutting and grinding machine for steel bars at the end part of a switch tie, which is used for solving the problems that in the prior art, the grinding and finishing process of the steel bars at the end part of the switch tie is complicated, the adjusting time is long, the on-line production cannot be realized, the noise pollution is large, the position is not easy to align, the labor intensity of workers is high, and the generated dust harms the health of the body.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides an automatic mill of cutting of switch tie tip reinforcing bar, is including the cutting platform who is used for placing the switch tie, the last aligning gear who is used for switch tie position adjustment that is equipped with of cutting platform has two switch ties of treating the repairment of polishing between the aligning gear side by side, and two switch ties both ends all are equipped with the cutting mechanism who has location cutting function, and cutting mechanism locates on the braced frame.

Furthermore, cutting mechanism includes frame and cutting piece, and the cutting piece sets firmly in the frame, and the frame sets firmly in the transverse feeding mechanism, and the first longitudinal displacement mechanism and the second longitudinal displacement mechanism that transverse feeding mechanism set gradually through the below are located on the braced frame.

Furthermore, the transverse feeding mechanism comprises an upper carriage and a middle carriage which are connected through a first feeding assembly, the rack is fixedly arranged on the upper carriage, the middle carriage is connected with a first longitudinal displacement mechanism, and a distance sensor for cutting and positioning is fixedly arranged at the position, close to the end part of the switch tie, of the upper carriage.

Further, the first longitudinal displacement mechanism comprises a lower carriage connected with the second longitudinal displacement mechanism, and the lower carriage is connected with the middle carriage through a second feeding assembly.

Furthermore, the second longitudinal displacement mechanism comprises a bottom carriage fixedly arranged on the supporting frame, and the bottom carriage is connected with the lower carriage through a third feeding assembly.

Furthermore, the second feeding assembly comprises a ball screw and two second guide shafts arranged on the lower carriage in parallel, one end of the ball screw is coaxially and fixedly connected with an output shaft of the linear module connected with the driving motor, the other end of the ball screw is rotatably connected to the lower carriage, and the ball screw is in threaded transmission connection with the middle carriage.

Furthermore, the third feeding assembly comprises a feeding cylinder and two third guide shafts arranged on the bottom planker in parallel, the lower planker is connected with the two third guide shafts in a sliding mode through four linear bearings, a cylinder body of the feeding cylinder is fixedly arranged on the bottom planker, and an extension rod of the feeding cylinder is connected with the lower planker through a cylinder connecting plate.

Furthermore, the straightening mechanism comprises a plurality of groups of ejection cylinders which are fixedly arranged on the cutting platform and positioned on two sides of the switch tie, a limiting block is fixedly arranged on an ejection rod of each ejection cylinder, the limiting block is made of polyethylene, and the inner side of the limiting block is provided with a guide surface with an inclined structure.

Furthermore, the cutting platform comprises two transversely arranged I-beams and two vertically arranged I-beams which are fixedly connected, the switch tie is flatly placed on the two transversely arranged I-beams above the switch tie, and the straightening mechanism is fixedly arranged on the two transversely arranged I-beams above the switch tie and positioned on two sides of the switch tie.

Furthermore, the cutting blade is a diamond bowl-shaped cutting blade, and the diameter specification of the cutting blade is 180 mm.

Due to the adoption of the structure, compared with the prior art, the utility model has the technical progress that: the switch tie which is mutually connected after the steam curing is finished is cut into single switch ties, the switch ties are hoisted to a cutting platform, the switch ties are positioned and placed through a correcting mechanism in the placing process, the positions are adjusted, the cutting positions of cutting machines at the two ends of the two switch ties are adjusted, and then the cutting machines are started automatically to cut simultaneously. According to the utility model, the four cutting machines are used for automatically and rapidly cutting the end parts of the two switch sleepers which are arranged side by side, so that the noise pollution is reduced, workers do not need to hold the angle grinder to polish and cut the reinforcing steel bar heads one by one, the labor intensity of the workers and the harm of dust to the health of the workers are reduced, and the working efficiency is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the connection between the cutting platform and the corrective mechanism in an embodiment of the present invention;

FIG. 3 is a schematic view of the connection of the cutting mechanism, the infeed mechanism, the first longitudinal displacement mechanism and the second longitudinal displacement mechanism in an embodiment of the present invention;

fig. 4 is a schematic structural view of the second longitudinal displacement mechanism in the embodiment of the present invention.

Labeling components: 1-cutting mechanism, 10-distance sensor, 11-frame, 12-second longitudinal displacement mechanism, 121-bottom drag plate, 122-third guide shaft, 123-cylinder connecting plate, 124-linear bearing, 125-feeding cylinder, 13-cutting piece, 14-first longitudinal displacement mechanism, 141-second guide shaft, 142-ball screw, 143-linear module, 144-driving motor, 145-lower drag plate, 15-transverse feeding mechanism, 151-upper drag plate, 152-middle drag plate, 153-first feeding component, 2-cutting platform, 21-I-steel, 22-limiting block, 23-ejection cylinder, 3-forked pillow, 4-correcting mechanism and 5-supporting frame.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.

The utility model discloses an automatic cutting and grinding machine for steel bars at the end parts of switch ties, which comprises a cutting platform 2 for placing switch ties 3, wherein the cutting platform 2 is provided with a correcting mechanism 4 for adjusting the positions of the switch ties 3, two switch ties 3 to be ground and trimmed are arranged between the correcting mechanism 4 in parallel, two ends of each switch tie 3 are provided with cutting mechanisms 1 with positioning and cutting functions, and the cutting mechanisms 1 are arranged on a supporting frame 5. The cutting platform 2 comprises two transverse arranged I-beams 21 and two vertical arranged I-beams 21 which are fixedly connected, the switch tie 3 is flatly placed on the two transverse arranged I-beams 21 above, and the straightening mechanism 4 is fixedly arranged on the two transverse arranged I-beams 21 above and positioned at two sides of the switch tie 3. The cutting blade 13 is a diamond bowl-shaped cutting blade 13, and the diameter specification of the cutting blade 13 is 180 mm. The bowl-shaped cutting piece 13 is adopted, so that dust and metal chippings can be conveniently discharged in the cutting process of the reinforcing steel bar, and the environmental pollution is reduced.

The utility model has the beneficial effects that: the switch ties 3 which are mutually connected after steam curing is finished are cut into single switch ties 3, the switch ties 3 are hoisted to the cutting platform 2, the switch ties 3 are positioned and placed through the straightening mechanism 4 in the placing process, the positions are adjusted, the cutting positions of the cutting mechanisms 1 at the two ends of the two switch ties 3 are adjusted, and then the cutting mechanisms 1 are automatically started to cut at the same time. According to the utility model, the four cutting mechanisms 1 are used for automatically and rapidly cutting the end parts of the two switch sleepers 3 which are arranged side by side, so that the noise pollution is reduced, workers do not need to hold an angle grinder to grind and cut the reinforcing steel bar heads one by one, the labor intensity of the workers and the harm of dust to the health of the bodies are reduced, and the working efficiency is improved.

As a preferred embodiment, as shown in fig. 3, the cutting mechanism 1 includes a frame 11 and a cutting blade 13, the cutting blade 13 is fixed on the frame 11, the frame 11 is fixed on a transverse feeding mechanism 15, and the transverse feeding mechanism 15 is arranged on the supporting frame 5 through a first longitudinal displacement mechanism 12 and a second longitudinal displacement mechanism 12 which are arranged in sequence below. The transverse feeding mechanism 15 comprises an upper carriage 151 and a middle carriage 152 which are connected through a first feeding assembly 153, the frame 11 is fixedly arranged on the upper carriage 151, the middle carriage 152 is connected with a first longitudinal displacement mechanism 12, and a distance sensor 10 for cutting and positioning is fixedly arranged at the position, close to the end part of the switch tie 3, of the upper carriage 151. The first longitudinal displacement mechanism 12 comprises a lower carriage 145 connected with the second longitudinal displacement mechanism 12, and the lower carriage 145 is connected with a middle carriage 152 through a second feeding assembly. The second longitudinal displacement mechanism 12 includes a bottom carriage 121 fixed on the supporting frame 5, and the bottom carriage 121 is connected to the lower carriage 145 through a third feeding assembly. The second feeding assembly comprises a ball screw 142 and two second guide shafts 141 arranged on the lower carriage 145 in parallel, one end of the ball screw 142 is coaxially and fixedly connected with an output shaft of a linear module 143 connected with a driving motor 144, the other end of the ball screw is rotatably connected to the lower carriage 145, and meanwhile, the ball screw 142 is in threaded transmission connection with the middle carriage 152. The third feeding assembly comprises a feeding cylinder 125 and two third guide shafts 122 arranged on the bottom carriage 121 in parallel, as shown in fig. 4, the lower carriage 145 is slidably connected with the two third guide shafts 122 through four linear bearings 124, a cylinder body of the feeding cylinder 125 is fixedly arranged on the bottom carriage 121, and an extension rod of the feeding cylinder 125 is connected with the lower carriage 145 through a cylinder connecting plate 123. The first feeding assembly 153 is similar to the third feeding assembly in structure and is different from the size difference, and a magnetic ring is arranged inside the feeding cylinder 125 of the first feeding assembly 153, so that the cutting mechanism 1 can automatically return after being cut in place, and preparation is made for subsequent cutting. According to the length of the switch tie 3, the distance of the transverse cutting mechanisms 1 at two ends of the same switch tie 3 is adjusted through the movement of the first longitudinal displacement mechanism 12 and the second longitudinal displacement mechanism 12, so that the distance is larger than the length of the switch tie 3, a switch tie 3 placing space is reserved, then the switch tie 3 is hoisted and placed until the cutting platform 2 is placed orderly through the straightening mechanism 4, the transverse feeding mechanism 15 is at the initial position, the first longitudinal displacement mechanism 12 or the second longitudinal displacement mechanism 12 starts to act, so that the cutting blade 13 of the cutting mechanism 1 approaches to the switch tie 3, when the distance sensor 10 senses a switch tie 3 position signal, a control system sends an instruction, so that the first longitudinal displacement mechanism 12 and the second longitudinal displacement mechanism 12 stop moving towards the switch tie 3, at the moment, the cutting blade 13 reaches the cutting position, so as to realize cutting positioning, and then the cutting mechanism 1 starts cutting, and automatically returning after cutting.

The double stroke of first longitudinal displacement mechanism 12 and second longitudinal displacement mechanism 12, enough the switch tie 3 of covering various length specifications, the structural style of arranging has reduced the volume of equipment again from top to bottom simultaneously, its simple structure, with the cooperation of transverse feed mechanism 15, can realize the front and back, the removal of controlling two directions, it is nimble to use, adapt to the switch tie 3 of different specification lengths completely, realize through linear module 143 when needing accurate location, realize by the cylinder when the span is big, the adjustment time has been reduced, the operating efficiency is improved.

As a preferred embodiment, as shown in fig. 2, the straightening mechanism 4 includes two sets of ejecting cylinders 23 fixed on the cutting platform 2 and located at two sides of the switch tie 3, a limiting block 22 is fixed on an ejecting rod of the ejecting cylinder 23, the limiting block 22 is made of polyethylene material to prevent damage to the switch tie, and a guide surface with an inclined structure is provided inside the limiting block 22. Through setting up aligning gear 4, transfer the in-process after switch tie 3 hoists, switch tie 3 carries out the position correction automatically when passing through the guide surface of the inboard slope structure of stopper 22, and ejecting cylinder 23 can carry out the position control to two switch ties 3, also can step up spacing simultaneously for two switch ties 3 realize the location and place, guarantee that two switch ties 3 are on a parallel with third guiding axle 122, guarantee that cutting piece 13 is neat to the cutting of switch tie 3 tip no slope.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides an automatic machine of cutting of switch tie tip reinforcing bar which characterized in that: including the cutting platform who is used for placing the switch tie, be equipped with the guiding mechanism who is used for switch tie position adjustment on the cutting platform, arrange two switch ties of treating the repairment of polishing side by side between the guiding mechanism, two switch ties both ends all are equipped with the cutting mechanism who has location cutting function, and cutting mechanism locates on the braced frame.

2. The automatic switch tie end reinforcing steel bar cutting and grinding machine of claim 1, wherein: the cutting mechanism comprises a rack and a cutting blade, the cutting blade is fixedly arranged on the rack, the rack is fixedly arranged on the transverse feeding mechanism, and the transverse feeding mechanism is arranged on the supporting frame through a first longitudinal displacement mechanism and a second longitudinal displacement mechanism which are sequentially arranged below the transverse feeding mechanism.

3. The automatic switch tie end reinforcing steel bar cutting and grinding machine of claim 2, wherein: the transverse feeding mechanism comprises an upper carriage and a middle carriage which are connected through a first feeding assembly, the rack is fixedly arranged on the upper carriage, the middle carriage is connected with a first longitudinal displacement mechanism, and a distance sensor for cutting and positioning is fixedly arranged at the position, close to the end of the switch tie, of the upper carriage.

4. The automatic switch tie end reinforcing steel bar cutting and grinding machine of claim 3, wherein: the first longitudinal displacement mechanism comprises a lower carriage connected with the second longitudinal displacement mechanism, and the lower carriage is connected with the middle carriage through a second feeding assembly.

5. The automatic switch tie end reinforcing steel bar cutting and grinding machine of claim 4, wherein: the second longitudinal displacement mechanism comprises a bottom carriage fixedly arranged on the supporting frame, and the bottom carriage is connected with the lower carriage through a third feeding assembly.

6. The automatic switch tie end reinforcing steel bar cutting and grinding machine of claim 5, wherein: the second feeding assembly comprises a ball screw and two second guide shafts arranged on the lower carriage in parallel, one end of the ball screw is coaxially and fixedly connected with an output shaft of the linear module connected with the driving motor, the other end of the ball screw is rotatably connected on the lower carriage, and the ball screw is in threaded transmission connection with the middle carriage.

7. The automatic switch tie end reinforcing steel bar cutting and grinding machine of claim 6, wherein: the third feeding assembly comprises a feeding cylinder and two third guide shafts arranged on the bottom dragging plate in parallel, the lower dragging plate is connected with the two third guide shafts in a sliding mode through four linear bearings, a cylinder body of the feeding cylinder is fixedly arranged on the bottom dragging plate, and an extension rod of the feeding cylinder is connected with the lower dragging plate through a cylinder connecting plate.

8. The automatic switch tie end reinforcing steel bar cutting and grinding machine of claim 1, wherein: the correcting mechanism comprises a plurality of groups of ejection cylinders which are fixedly arranged on the cutting platform and positioned on two sides of the switch tie, a limiting block is fixedly arranged on an ejection rod of each ejection cylinder, the limiting block is made of polyethylene, and the inner side of the limiting block is provided with a guide surface with an inclined structure.

9. The automatic switch tie end reinforcing steel bar cutting and grinding machine of claim 1, wherein: the cutting platform comprises two transversely arranged I-beams and two vertically arranged I-beams which are fixedly connected, the switch tie is horizontally arranged on the two transversely arranged I-beams above the switch tie, and the straightening mechanism is fixedly arranged on the two transversely arranged I-beams above the switch tie and positioned on two sides of the switch tie.

10. The automatic switch tie end reinforcing steel bar cutting and grinding machine of claim 2, wherein: the cutting piece is a diamond bowl-shaped cutting piece, and the diameter specification of the cutting piece is 180 mm.