Rolling forming device for U-shaped steel arched support

Abstract

The utility model belongs to the technical field of machining, and particularly relates to a rolling forming device of a U-shaped steel arch support, which comprises a rolling forming mechanism, a feeding mechanism and a discharging mechanism, the left side of the rolling forming mechanism is a feeding end, the right side of the rolling forming mechanism is a discharging end, the feeding mechanism is arranged on one side of the feeding end of the rolling forming mechanism, and the feeding mechanism comprises a feeding trolley. The feeding trolley comprises a box body and a base, a clamping assembly and a supporting carrier roller are arranged above the box body, the clamping assembly comprises two clamping plates, a first protruding block and a second protruding block are arranged on the opposite sides of the two clamping plates correspondingly, a transmission assembly is arranged in the box body, and the discharging mechanism is arranged on one side of the discharging end of the rolling forming mechanism and comprises a plurality of discharging trolleys. The discharging trolley comprises a supporting assembly and a bottom plate, the supporting assembly comprises a horizontal supporting plate, a vertical baffle and a supporting base, and a gap is reserved between the supporting base and the vertical baffle. The device can reduce the cost, improve the forming precision, reduce the labor intensity of workers and reduce potential safety hazards.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of machining, concretely relates to a rolling forming device of U-shaped steel arch support. BACKGROUND

[0002] The U-shaped steel arch support is a kind of passive support for coal mine support, has higher tensile strength and compressive strength, and has good toughness, higher supporting force, large support strength and can be used repeatedly, and is widely applied to mine roadway, especially in deep complex roadway and soft coal seam roadway.At present, the U-shaped steel arch support is mostly processed by using a rolling forming machine, and the rolling forming machine mainly uses "four-roller roll bending principle of side roller swing type" to solve the problems of low production efficiency and high labor intensity in the bending forming process of arch support.

[0003] However, the existing rolling forming machine is mostly manually loaded and unloaded in the use process, which not only has large labor intensity and consumes manpower, but also has certain safety hazards due to large length and weight of workpiece.

[0004] Therefore, it is urgent to be improved. UTILITY MODEL CONTENTS

[0005] In view of the above defects in the prior art, the utility model provides a rolling forming device of U-shaped steel arch support, which comprises a rolling forming mechanism, a feeding mechanism and a discharging mechanism, wherein the left side of the rolling forming mechanism is a feeding end, and the right side is a discharging end, the rolling forming mechanism comprises front and rear arranged main rollers and auxiliary rollers, left and right arranged left rollers and right rollers, an inlet roller arranged at the feeding end and an outlet roller arranged at the discharging end, and left and right feeding oil cylinders, the left and right rollers are controlled to move forward and backward by the left and right feeding oil cylinders respectively, the rolling forming mechanism is used for roll bending treatment of U-shaped steel, and the rolling forming mechanism adopts the existing technology, such as the structure in the disclosed mine U-shaped steel support rolling forming repair machine of the published utility model patent with publication number CN201249224Y;The feeding mechanism is arranged at one side of the feeding end of the rolling forming mechanism, and the feeding mechanism comprises a feeding trolley, the feeding trolley comprises an upper and lower arranged box body and base, and a plurality of supporting rods are fixedly connected between the box body and the base, a clamping assembly and a plurality of supporting rollers are arranged above the box body, the plurality of supporting rollers are arranged at the middle and right end of the box body, and the supporting rollers are in the same height as the top of the inlet roller of the rolling forming mechanism, the clamping assembly is arranged at the left end of the box body, the clamping assembly comprises two front and rear arranged clamping plates, the opposite sides of the two clamping plates are respectively provided with a first protrusion and a second protrusion matched with the shape of the U-shaped steel, and a transmission assembly is arranged in the box body for driving the two clamping plates to move close to or away from each other.

[0006] The blanking mechanism is arranged at one side of the discharging end of the roll forming mechanism, and the blanking mechanism comprises a plurality of blanking trolleys arranged on the track of the U-shaped steel discharging end, each blanking trolley comprises a support assembly and a bottom plate arranged vertically, the support assembly comprises a horizontal support plate, a vertical baffle and a support seat, a support column is fixedly connected between the horizontal support plate and the bottom plate, the vertical baffle is fixed on one side above the horizontal support plate, the support seat is fixed on the other side above the horizontal support plate, the top of the support seat is inclined, and the inclined surface inclines towards the side close to the vertical baffle, a gap is arranged between the support seat and the vertical baffle, and the width of the gap is slightly larger than the thickness of the flange plate of the U-shaped steel, in addition, since the U-shaped steel is in a horizontal state when it passes through the roll forming mechanism and is discharged from the discharging end of the roll forming mechanism, the inclined surface at the top of the support seat can just abut against the U-shaped steel, and the configuration of the support seat and the vertical baffle can just match the shape of the U-shaped steel, so as to support the U-shaped steel and provide support for the U-shaped steel.

[0007] Optionally, the transmission assembly comprises a horizontal sliding rail, a bidirectional screw rod and two sliding blocks, the horizontal sliding rail is arranged at the bottom of the box body, a guide slot corresponding to the horizontal sliding rail is formed in the top of the box body, the two ends of the bidirectional screw rod are rotatably connected to the two side walls of the box body, the two ends of the bidirectional screw rod penetrate through the two sliding blocks respectively, the two sliding blocks are slidably connected to the bidirectional screw rod through the nut pairs of the bidirectional screw rod respectively, the bottoms of the two sliding blocks are slidably connected to the horizontal sliding rail, the tops of the two sliding blocks are fixedly connected with connecting rods respectively, and the tops of the two connecting rods penetrate through the guide slot and are threadedly connected with the bottoms of the two clamping plates respectively, so that different sizes of clamping plates can be replaced according to the model and specifications of the U-shaped steel on site, thereby improving the adaptability.

[0008] Optionally, one end of the bidirectional screw rod penetrates through the box body and is fixedly installed with a hand rotating disc.

[0009] Optionally, the two ends of the horizontal sliding rail are provided with limiting blocks.

[0010] Specifically, the limiting blocks are used for limiting the movement of the sliding blocks on the horizontal sliding rail.

[0011] Optionally, the bottom of the base of the feeding trolley and the bottom of the bottom plate of the blanking trolley are provided with universal wheels.

[0012] Specifically, the universal wheels facilitate movement.

[0013] Optionally, the side of the box body is provided with a handle.

[0014] Specifically, the handle facilitates pulling of the feeding trolley.

[0015] Optionally, the base is further provided with a counterweight.

[0016] Specifically, the counterweight can ensure the balance of the center of gravity of the feeding trolley.

[0017] Optionally, the displacement sensor is embedded in the piston rod of the left and right feed oil cylinders.

[0018] Specifically, the displacement sensor is a magnetostrictive linear displacement sensor, which is used to detect the displacement of the piston rod.

[0019] The utility model discloses still include can make one U type steel arch support's roll forming device normal use other components, all be the conventional technical means of the field.

[0020] The working principle of the utility model is that, during use, first rotate the hand-cranking disc clockwise to drive the bidirectional screw rod to rotate, move the two sliding blocks away from each other, and then drive the two clamping plates to move away from each other, then place the U-shaped steel on the support roller of the feeding trolley, with the left end of the U-shaped steel located between the two clamping plates, rotate the hand-cranking disc counterclockwise to drive the two clamping plates to move close to each other, clamp the U-shaped steel, make the first protrusion abut against the lower side of the U-shaped steel, insert the second protrusion into the inner cavity of the U-shaped steel, and fix the hand-cranking disc, so as to realize clamping and fixing of the U-shaped steel, and ensure that the open side of the U-shaped steel faces south and is consistent with the die groove on the main roller and the auxiliary roller of the roll forming mechanism.

[0021] The utility model has the advantages of:

[0022] (1) By using more precise measurement and feedback system such as displacement sensor, the shape of the U-shaped steel in the roll forming process is measured in real time, and the measurement result is fed back to the control system, so as to fine-tune the roll forming process, thereby realizing higher forming precision.

[0023] (2) Through the feeding mechanism and the discharging mechanism, the roll forming mechanism is conveniently fed and discharged, the labor intensity of workers is reduced, the manpower is reduced, the safety of workers is ensured, and the safety hidden danger is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0024] The utility model is further illustrated below in combination with the drawings and embodiments.

[0025] Figure 1 It is the whole structure schematic view of the utility model.

[0026] Figure 2 It is the structure schematic view of the feeding trolley of the utility model.

[0027] Figure 3 It is the structure schematic view of the clamping assembly of the utility model.

[0028] Figure 4 It is the structure schematic view of the clamping assembly of the utility model when clamping the U-shaped steel.

[0029] Figure 5 It is the structure schematic view of the discharging trolley of the utility model.

[0030] Figure 6 It is the structure schematic view of the discharging trolley of the utility model when supporting the U-shaped steel.

[0031] Figure 7 It is the schematic view of the roll forming device of the U-shaped steel arch support provided in the embodiment when actually using.

[0032] In the drawing: 1. Roll forming mechanism, 2. Feeding trolley, 3. Discharging trolley, 4. U-shaped steel, 5. Main roller, 6. Auxiliary roller, 7. Left roller, 8. Right roller, 9. Inlet roller, 10. Outlet roller, 11. Left feed oil cylinder, 12. Right feed oil cylinder, 13. Box, 14. Base, 15. Support rod, 16. Supporting roller, 17. Clamping plate, 18. First protruding block, 19. Second protruding block, 20. Horizontal sliding rail, 21. Bidirectional screw rod, 22. Sliding block, 23. Connecting rod, 24. Hand rotating disc, 25. Limiting block, 26. Bottom plate, 27. Horizontal support plate, 28. Vertical baffle, 29. Support seat, 30. Support column, 31. Universal wheel, 32. Handle, 33. Counterweight. DETAILED DESCRIPTION

[0033] The utility model is clearly described below in combination with the drawings and specific embodiments in the embodiments of the utility model, and the description herein is only used to explain the utility model, but not as a limitation on the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor, any modification, equivalent replacement, improvement and the like should be included in the protection scope of the utility model.

[0034] Embodiment

[0035] As Figures 1-7The utility model discloses a kind of U-shaped steel arched support's roll forming device, including roll forming mechanism 1, feeding mechanism and discharging mechanism, wherein the left side of roll forming mechanism 1 is feed end, right side is discharge end, roll forming mechanism 1 includes front and rear arrangement main roller 5 and auxiliary roller 6, left and right arrangement left roller 7 and right roller 8, setting import idler 9 at feed end and setting export idler 10 at discharge end, and left feed cylinder 11 and right feed cylinder 12, left roller 7 and right roller 8 are controlled to move back and forth by left feed cylinder 11 and right feed cylinder 12 respectively, roll forming mechanism 1 is used to carry out roll bending processing to U-shaped steel 4, roll forming mechanism 1 uses prior art, such as disclosed utility model patent, disclosed in a kind of structure in the mining U-shaped steel support roll forming repair machine of CN201249224Y, feeding mechanism is arranged at the feed end side of roll forming mechanism 1, and feeding mechanism includes feeding trolley 2, and feeding trolley 2 includes box 13 and base 14 arranged up and down, and a plurality of struts 15 are fixedly connected between box 13 and base 14, the top of box 13 is provided with clamping assembly and several support idlers 16, and several support idlers 16 are arranged in the middle and right end of box 13, while support idler 16 is level with the top of import idler 9 of roll forming mechanism 1, clamping assembly is arranged at the left end of box 13, and clamping assembly includes two clamping plates 17 arranged front and back, the opposite side of two clamping plates 17 is respectively provided with first protruding block 18 and second protruding block 19 matched with the outline of U-shaped steel 4, transmission assembly is arranged in box 13, and transmission assembly includes horizontal slide rail 20, bidirectional screw rod 21 and two sliding blocks 22, horizontal slide rail 20 is arranged at the bottom of box 13, and the top of box 13 is provided with guide slot corresponding to horizontal slide rail 20, two ends of bidirectional screw rod 21 are rotatably connected on the two side walls of box 13, two ends of bidirectional screw rod 21 respectively penetrate two sliding blocks 22, and two sliding blocks 22 are slidably connected on bidirectional screw rod 21 by screw nut pair of bidirectional screw rod 21 respectively, the bottom of two sliding blocks 22 is slidably connected on horizontal slide rail 20, the top of two sliding blocks 22 is fixedly connected with connecting rod 23, and the top end of two connecting rods 23 penetrates guide slot and is respectively threadedly connected with the bottom of two clamping plates 17, so that different sizes of clamping plates 17 can be replaced according to the model specification of U-shaped steel 4 on site, to improve adaptability.

[0036] In addition, one end of bidirectional screw rod 21 penetrates box 13 and is fixedly installed with hand-operated turntable 24.Both ends of horizontal slide rail 20 are provided with limit block 25, and limit block 25 is used for limiting the movement of sliding block 22 on horizontal slide rail 20.

[0037] The blanking mechanism is arranged at the discharging end of the roll forming mechanism 1, and the blanking mechanism comprises a plurality of blanking trolleys 3 arranged on the track of the U-shaped steel 4 discharging track, the blanking trolleys 3 comprise a support assembly and a bottom plate 26 arranged above and below, the support assembly comprises a horizontal support plate 27, a vertical baffle 28 and a support seat 29, a support column 30 is fixedly connected between the horizontal support plate 27 and the bottom plate 26, the vertical baffle 28 is fixed on one side above the horizontal support plate 27, the support seat 29 is fixed on the other side above the horizontal support plate 27, the top of the support seat 29 is inclined, and the inclined surface inclines towards the side close to the vertical baffle 28, a gap is left between the support seat 29 and the vertical baffle 28, and the width of the gap is slightly larger than the thickness of the flange plate of the U-shaped steel 4, in addition, since the U-shaped steel 4 is in a horizontal state when it passes through the roll bending treatment and then passes out of the discharging end of the roll forming mechanism 1, the inclined surface at the top of the support seat 29 can just abut against the U-shaped steel 4 below, and the configuration of the support seat 29 and the vertical baffle 28 can just match the shape of the U-shaped steel 4, so as to support the U-shaped steel 4 and provide support for it.

[0038] In addition, the base 14 of the feeding trolley 2 and the bottom plate 26 of the blanking trolley 3 are both provided with universal wheels 31 for facilitating movement. The side of the box body 13 is provided with a handle 32 for facilitating pulling of the feeding trolley 2. The base 14 is further provided with a counterweight 33 for ensuring the center of gravity of the feeding trolley 2 to be balanced. The piston rod of the left feeding oil cylinder 11 and the right feeding oil cylinder 12 is embedded with a displacement sensor, the displacement sensor is a magnetostrictive linear displacement sensor, which is used for detecting the displacement of the piston rod, and the specific arrangement can refer to the published invention patent CN104895862B, which discloses a mounting structure of a displacement sensor of a hydraulic oil cylinder.

[0039] The working principle of this utility model is as follows: First, rotate the hand crank 24 clockwise to rotate the bidirectional lead screw 21, causing the two sliding blocks 22 to move in opposite directions, thereby moving the two clamping plates 17 away from each other. Then, place the U-shaped steel 4 onto the support roller 16 of the loading trolley 2, with the left end of the U-shaped steel 4 positioned between the two clamping plates 17. Next, rotate the hand crank 24 counterclockwise to drive the two clamping plates 17 closer together, clamping the U-shaped steel 4. The first protrusion 18 abuts against the bottom of the U-shaped steel 4, and the second protrusion 19 is inserted into the inner cavity of the U-shaped steel 4. The hand crank 24 is then fixed, thus achieving the clamping and fixing of the U-shaped steel 4, while ensuring that the open side of the U-shaped steel 4 faces south, in line with the rolling process. The mold grooves on the main roller 5 and the auxiliary roller 6 of the forming mechanism 1 are aligned. Then, the loading carriage 2 is pushed to the vicinity of the feeding end of the rolling forming mechanism 1, and the rolling forming mechanism 1 is started. The U-shaped steel 4 is inserted between the main roller 5 and the auxiliary roller 6 for rolling bending. As the U-shaped steel 4 is continuously rolled into the main roller 5 and the auxiliary roller 6, the two clamping plates 17 are released, and several unloading carriages 3 are placed on the trajectory of the U-shaped steel 4. After the other end of the U-shaped steel 4 passes through the exit roller 10, the support component of the unloading carriage 3 can just support the other end of the U-shaped steel 4 and provide it with support. After the rolling bending operation is completed, the worker measures the chord length. If it is qualified, it is sent to the next process for subsequent processing.

[0040] The embodiments of the present invention have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A rolling forming device of a U-shaped steel arch support, comprising a rolling forming mechanism, a feeding mechanism and a discharging mechanism, wherein the left side of the rolling forming mechanism is a feeding end and the right side is a discharging end, the rolling forming mechanism comprises a main roller and a secondary roller arranged in front and back, a left roller and a right roller arranged in left and right, an inlet roller arranged at the feeding end and an outlet roller arranged at the discharging end, and a left feeding oil cylinder and a right feeding oil cylinder, the left roller and the right roller are controlled to move forward and backward by the left feeding oil cylinder and the right feeding oil cylinder respectively, and the rolling forming mechanism is used for roll bending treatment of the U-shaped steel, characterized in that: The feeding mechanism is arranged at one side of the feeding end of the rolling forming mechanism, and comprises a feeding trolley. The feeding trolley comprises a box body and a base arranged in a vertical mode, and a plurality of supporting rods are fixedly connected between the box body and the base. A clamping assembly and a plurality of supporting rollers are arranged above the box body, and the supporting rollers are arranged at the middle and right end of the box body. The clamping assembly is arranged at the left end of the box body. The clamping assembly comprises two clamping plates arranged in a front-rear mode. First and second protrusions matched with the shape of the U-shaped steel are arranged at the opposite sides of the two clamping plates. A transmission assembly is arranged in the box body, and is used for driving the two clamping plates to move close to or away from each other. The discharging mechanism is arranged at one side of the discharging end of the rolling forming mechanism, and comprises a plurality of discharging trolleys. The discharging trolley comprises a supporting assembly and a bottom plate arranged in a vertical mode. The supporting assembly comprises a horizontal supporting plate, a vertical baffle and a supporting seat. A supporting column is fixedly connected between the horizontal supporting plate and the bottom plate. The vertical baffle is fixedly arranged at one side above the horizontal supporting plate. The supporting seat is fixedly arranged at the other side above the horizontal supporting plate. The top of the supporting seat is inclined, and the inclined surface is inclined towards the side close to the vertical baffle. A gap is arranged between the supporting seat and the vertical baffle.

2. The roll forming apparatus for U-steel arch supports according to claim 1, wherein: The transmission assembly comprises a horizontal sliding rail, a bidirectional screw rod and two sliding blocks. The horizontal sliding rail is arranged at the bottom of the box body, and a guide slot is arranged in the top of the box body and corresponds to the horizontal sliding rail. The two ends of the bidirectional screw rod are rotatably connected to the two side walls of the box body. The two ends of the bidirectional screw rod respectively penetrate the two sliding blocks, and the two sliding blocks are slidably connected to the bidirectional screw rod through the nut pair of the bidirectional screw rod. The bottoms of the two sliding blocks are slidably connected to the horizontal sliding rail. The tops of the two sliding blocks are fixedly connected to connecting rods, and the tops of the two connecting rods penetrate the guide slot and are respectively threadedly connected to the bottoms of the two clamping plates.

3. The roll forming apparatus for U-steel arch supports of claim 2, wherein: One end of the bidirectional screw rod penetrates the box body and is fixedly installed with a hand rotating disc.

4. The roll forming apparatus for U-steel arch supports of claim 3, wherein: Limiting blocks are arranged at the two ends of the horizontal sliding rail.

5. The roll forming apparatus for U-steel arch supports of claim 4, wherein: Universal wheels are arranged below the base of the feeding trolley and the bottom plate of the discharging trolley.

6. The roll forming apparatus for U-steel arch supports of claim 5, wherein: A handle is arranged at the side of the box body.

7. The roll forming apparatus for U-steel arch supports of claim 6, wherein: A counterweight is further arranged on the base.

8. The roll forming apparatus for U-steel arch supports of claim 7, wherein: A displacement sensor is embedded in the piston rod of the left and right feeding oil cylinders.

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