Lifting device for feeding of three-high mill

Abstract

The lifting device solves the problem that a cross beam shakes in the lifting process and comprises a driving assembly and a guide assembly, the driving assembly comprises an air cylinder, a supporting plate, the cross beam and a pull rod, the air cylinder is arranged on the supporting plate, the cross beam is connected to the driving end of the air cylinder, and the pull rod is arranged on the supporting plate. The end part of the pull rod is arranged on the cross beam, the pull rod penetrates through the support plate, and the pull rod is used for being connected with a feeder; the guide assembly comprises a first supporting rod, a second supporting rod, a first guide frame and a second guide frame, the air cylinder drives the cross beam to ascend or descend, the cross beam moves in the first moving space and the second moving space, the cross beam is limited by the first guide frame and the second guide frame, the cross beam cannot shake, and therefore the cross beam cannot drive the pull rod to shake; therefore, the cross beam and the pull rod can be kept stable, and the problem that the cross beam shakes in the lifting process is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of rolling steel, in particular to a lifting device for three roll mill feeding. BACKGROUND

[0002] In the rolling process of three roll mill, after the rolled piece is discharged from the lower rolling hole (the rolling hole between the middle roll and the lower roll), it enters the lifting platform, and the staff uses the cam mechanism to lift the lifting platform to the upper rolling hole (the rolling hole between the upper roll and the middle roll), and then drives the rolled piece to feed into the upper rolling hole by the roller way on the lifting platform.

[0003] Patent publication number CN218611044U discloses a kind of to support material pneumatic lifting platform, and its lifting assembly is easy to sway, especially lifting arm and pull rod are easy to sway, as a result, pull rod drives lifting frame (feeder) to sway, so that feeder when sending semi-finished steel to three roll mill, misalignment appears, or curved semi-finished steel enters three roll mill. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of lifting device for three roll mill feeding, solve the problem of beam sway in lifting process.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0006] The utility model provides a kind of lifting device for three roll mill feeding, including drive assembly and guide component,

[0007] The drive assembly includes cylinder, support plate, crossbeam and pull rod, the cylinder is arranged on the support plate, the crossbeam is connected on the cylinder drive end, the pull rod end is arranged on the crossbeam, the pull rod passes through the support plate, and the pull rod is used to connect feeder;

[0008] The guide component includes first support rod, second support rod, first guide frame and second guide frame, the first support rod and the second support rod are arranged on the support plate, the crossbeam is overlapped on the first support rod and the second support rod, the first guide frame is arranged on the first support rod, and the second guide frame is arranged on the second support rod;

[0009] The first guide frame has first moving space, the second guide frame has second moving space, and the crossbeam is located in the first moving space and the second moving space.

[0010] Optionally, the crossbeam includes upper plate, lower plate and middle plate, and the middle plate is connected with the upper plate and the lower plate at both ends respectively.

[0011] Further, the upper plate and the lower plate have a first accommodating cavity and a second accommodating cavity, and the first accommodating cavity and the second accommodating cavity are respectively located on two sides of the middle plate.

[0012] Further, the guide assembly further comprises guide mechanisms, a plurality of the guide mechanisms are respectively arranged in the first accommodating cavity and the second accommodating cavity, the guide mechanism comprises a first supporting block, a second supporting block, a rotating shaft and a guide wheel, the rotating shaft is rotationally arranged on the first supporting block and the second supporting block, and the guide wheel is arranged on the rotating shaft.

[0013] Further, two guide mechanisms are arranged in the first accommodating cavity, and two guide wheels are respectively in rolling contact with the first guide frame and the second guide frame.

[0014] Further, two guide mechanisms are arranged in the second accommodating cavity, and two guide wheels are respectively in rolling contact with the first guide frame and the second guide frame.

[0015] Optionally, the first guide frame comprises a first side plate, a second side plate and a first cross plate, the first cross plate is arranged at the top end of the first side plate and the second side plate, and the first side plate and the second side plate are arranged on the first supporting rod.

[0016] Optionally, the second guide frame comprises a third side plate, a fourth side plate and a second cross plate, the second cross plate is arranged at the top end of the third side plate and the fourth side plate, and the third side plate and the fourth side plate are arranged on the second supporting rod.

[0017] Thanks to the above technical scheme, the utility model has the following advantages compared with the prior art:

[0018] The utility model discloses a lifting device for three-roller rolling machine feeding, because the cylinder drives the cross beam to go up or descend, the cross beam moves in the first mobile space and the second mobile space, the cross beam is limited by the first guide frame and the second guide frame, so the cross beam does not shake, and the cross beam also does not shake with the pull rod, so the cross beam and the pull rod can keep stable, thereby solving the problem of cross beam shaking in the lifting process. BRIEF DESCRIPTION OF DRAWINGS

[0019] Some specific embodiments of the utility model will be described in detail hereinafter with reference to the drawings in an exemplary but not restrictive manner. Same reference signs in the drawings indicate same or similar components or parts. Those skilled in the art should understand that the drawings are not necessarily drawn to scale. In the drawings:

[0020] Figure 1 It is the structure schematic view of a kind of lifting device for three-roller rolling machine feeding according to preferred embodiment of the utility model;

[0021] Figure 2 is Figure 1 a side view, showing Figure 1 structure view of the wall body not shown in the figure;

[0022] Figure 3 is Figure 1 is a perspective view of the first guide frame and the second guide frame;

[0023] Figure 4 is Figure 1 a perspective view of the cross beam shown in the figure;

[0024] Figure 5 is Figure 4 another perspective view of the cross beam shown in the figure.

[0025] In the figure, the reference signs are as follows:

[0026] 1, drive assembly; 2, guide assembly; 3, guide mechanism; 4, feeder; 5, three-roller mill; 6, wall body; 11, air cylinder; 12, support plate; 13, cross beam; 14, pull rod; 21, first support rod; 22, second support rod; 23, first guide frame; 24, second guide frame; 25, first moving space; 26, second moving space; 31, first support block; 32, second support block; 33, rotating shaft; 34, guide wheel; 40, ground roller;

[0027] 51, upper roller; 52, middle roller; 53, lower roller; 54, upper rolling hole; 55, lower rolling hole; 131, upper plate; 132, lower plate; 133, middle plate; 135, first accommodating cavity; 136, second accommodating cavity; 231, first side plate; 232, second side plate; 233, first cross plate; 241, third side plate; 242, fourth side plate; 243, second cross plate. DETAILED DESCRIPTION

[0028] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, construct and operate in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0030] In addition, the technical features involved in the different embodiments of the utility model described below can be combined with each other as long as there is no conflict between them.

[0031] As Figure 1 And Figure 2 And Figure 3 As shown in the figure, a lifting device for three-roller rolling machine feeding, the three-roller rolling machine 5 includes upper roller 51, middle roller 52 and lower roller 53, wherein the upper roller 51 and the middle roller 52 form the upper rolling hole 54, the middle roller 52 and the lower roller 53 form the lower rolling hole 55, the rolled piece from the lower rolling hole 55 reaches the feeder 4, the feeder 4 is rotationally arranged, then the feeder 4 feeding end is lifted, so that the feeder 4 feeding end is butt jointed with the upper rolling hole 54, the ground roller 40 on the feeder 4 is reversed, and the rolled piece is sent into the upper rolling hole 54.

[0032] It includes driving assembly 1 and guide assembly 2, driving assembly 1 includes cylinder 11, support plate 12, cross beam 13 and pull rod 14, support plate 12 is connected at both ends in wall body 6, cylinder 11 is arranged on support plate 12, cross beam 13 is connected on the driving end of cylinder 11, cylinder 11 drives cross beam 13 to rise or fall, pull rod 14 end is arranged on cross beam 13, cross beam 13 drives pull rod 14 to rise or fall, pull rod 14 passes through support plate 12, support plate 12 has guiding effect for pull rod 14, pull rod 14 is used for connecting feeder 4, pull rod 14 bottom end is connected on the upper part of the feeding end of feeder 4, pull rod 14 is rotationally connected with feeder 4.

[0033] Guide assembly 2 includes first support rod 21, second support rod 22, first guide frame 23 and second guide frame 24, first support rod 21 and second support rod 22 are arranged on support plate 12, first support rod 21 and second support rod 22 support cross beam 13, cross beam 13 is lapped on first support rod 21 and second support rod 22, and cross beam 13 is lapped at both ends on first support rod 21 and second support rod 22.

[0034] The first guide frame 23 is arranged on the first supporting rod 21, and the second guide frame 24 is arranged on the second supporting rod 22. The first guide frame 23 has a first moving space 25, and the second guide frame 24 has a second moving space 26. The cross beam 13 is located in the first moving space 25 and the second moving space 26. When the cross beam 13 rises or falls in the first moving space 25 and the second moving space 26, the cross beam 13 is limited by the first guide frame 23 and the second guide frame 24, and the cross beam 13 moves along the inner wall of the first guide frame 23 and the second guide frame 24, so that the cross beam 13 does not shake during movement.

[0035] The cross beam 13 comprises an upper plate 131, a lower plate 132 and a middle plate 133. The two ends of the middle plate 133 are connected to the upper plate 131 and the lower plate 132 respectively. The lower plate 132 is connected to the driving end of the air cylinder 11. The top ends of the first supporting rod 21 and the second supporting rod 22 support the two ends of the lower plate 132 respectively. The upper plate 131, the lower plate 132 and the middle plate 133 are integrally formed.

[0036] The upper plate 131 and the lower plate 132 have a first accommodating cavity 135 and a second accommodating cavity 136. The first accommodating cavity 135 and the second accommodating cavity 136 are located on the two sides of the middle plate 133 respectively.

[0037] The guide assembly 2 further comprises guide mechanisms 3. A plurality of guide mechanisms 3 are arranged in the first accommodating cavity 135 and the second accommodating cavity 136 respectively. Two guide mechanisms 3 are arranged on the two sides of the first accommodating cavity 135 respectively. Two guide mechanisms 3 are arranged on the two sides of the second accommodating cavity 136 respectively. The guide mechanisms 3 are located in the first guide frame 23 and the second guide frame 24 respectively.

[0038] The guide mechanism 3 comprises a first supporting block 31, a second supporting block 32, a rotating shaft 33 and a guide wheel 34. The rotating shaft 33 is rotatably arranged on the first supporting block 31 and the second supporting block 32. The guide wheel 34 is arranged on the rotating shaft 33. When the cross beam 13 rises or falls, the guide wheel 34 rolls in contact with the inner wall of the first guide frame 23 and the second guide frame 24.

[0039] The first supporting block 31 and the second supporting block 32 are arranged in the first accommodating cavity 135 and the second accommodating cavity 136. The first supporting block 31 and the second supporting block 32 are further arranged between the upper plate 131 and the lower plate 132.

[0040] Two guide mechanisms 3 are arranged in the first accommodating cavity 135. Two guide wheels 34 roll in contact with the first guide frame 23 and the second guide frame 24 respectively. Two guide mechanisms 3 are arranged in the second accommodating cavity 136. Two guide wheels 34 roll in contact with the first guide frame 23 and the second guide frame 24 respectively. Thus, the cross beam 13 does not shake when it rises or falls, and the cross beam 13 does not rub against the first guide frame 23 and the second guide frame 24.

[0041] The first guide frame 23 comprises a first side plate 231, a second side plate 232 and a first cross plate 233, the first cross plate 233 is arranged at the top end of the first side plate 231 and the second side plate 232, the first side plate 231 and the second side plate 232 are arranged on the first supporting rod 21, two guide wheels 34 are in rolling contact with the first side plate 231 and the second side plate 232 respectively, so as to reduce the friction, and the first cross plate 233 can limit the rising height of the cross beam 13.

[0042] The second guide frame 24 comprises a third side plate 241, a fourth side plate 242 and a second cross plate 243, the second cross plate 243 is arranged at the top end of the third side plate 241 and the fourth side plate 242, the third side plate 241 and the fourth side plate 242 are arranged on the second supporting rod 22, two guide wheels 34 are in rolling contact with the third side plate 241 and the fourth side plate 242 respectively, so as to reduce the friction, and the second cross plate 243 can limit the rising height of the cross beam 13.

[0043] The above embodiment is only for illustrating the technical concept and characteristics of the utility model, the purpose is to enable the person skilled in the art to understand the content of the utility model and to implement, and cannot limit the protection scope of the utility model, any equivalent change or modification according to the spirit and essence of the utility model should be covered in the protection scope of the utility model.

Claims

1. A lifting device for feeding a three-roll mill, comprising a drive assembly (1) and a guide assembly (2), characterized in that, The drive assembly (1) includes a cylinder (11), a support plate (12), a crossbeam (13), and a tie rod (14). The cylinder (11) is mounted on the support plate (12), the crossbeam (13) is connected to the drive end of the cylinder (11), the end of the tie rod (14) is mounted on the crossbeam (13), the tie rod (14) passes through the support plate (12), and the tie rod (14) is used to connect to the feeder. The guide assembly (2) includes a first support rod (21), a second support rod (22), a first guide frame (23), and a second guide frame (24). The first support rod (21) and the second support rod (22) are mounted on the support plate (12). The crossbeam (13) overlaps the first support rod (21) and the second support rod (22). The first guide frame (23) is mounted on the first support rod (21), and the second guide frame (24) is mounted on the second support rod (22). The first guide frame (23) has a first moving space (25), the second guide frame (24) has a second moving space (26), and the crossbeam (13) is located within the first moving space (25) and the second moving space (26).

2. The lifting device for feeding a three-roll mill according to claim 1, characterized in that, The crossbeam (13) includes an upper plate (131), a lower plate (132) and a middle plate (133). The two ends of the middle plate (133) are respectively connected to the upper plate (131) and the lower plate (132), and the lower plate (132) is connected to the driving end of the cylinder (11).

3. The lifting device for feeding a three-roll mill according to claim 2, characterized in that, The upper plate (131) and the lower plate (132) have a first receiving cavity (135) and a second receiving cavity (136), which are located on both sides of the middle plate (133).

4. The lifting device for feeding a three-roll mill according to claim 3, characterized in that, The guide assembly (2) further includes a guide mechanism (3), and multiple guide mechanisms (3) are respectively disposed in the first receiving cavity (135) and the second receiving cavity (136). The guide mechanism (3) includes a first support block (31), a second support block (32), a rotating shaft (33) and a guide wheel (34). The guide mechanism (3) is located in the first guide frame (23) and the second guide frame (24). The rotating shaft (33) is rotatably disposed on the first support block (31) and the second support block (32). The guide wheel (34) is disposed on the rotating shaft (33).

5. The lifting device for feeding a three-roll mill according to claim 4, characterized in that, The first receiving cavity (135) is provided with two guide mechanisms (3), and the two guide wheels (34) are in rolling contact with the first guide frame (23) and the second guide frame (24) respectively.

6. The lifting device for feeding a three-roll mill according to claim 4, characterized in that, The second receiving cavity (136) is provided with two guide mechanisms (3), and the two guide wheels (34) are in rolling contact with the first guide frame (23) and the second guide frame (24) respectively.

7. The lifting device for feeding a three-roll mill according to claim 1, characterized in that, The first guide frame (23) includes a first side plate (231), a second side plate (232) and a first horizontal plate (233). The first horizontal plate (233) is disposed at the top of the first side plate (231) and the second side plate (232). The first side plate (231) and the second side plate (232) are disposed on the first support rod (21).

8. The lifting device for feeding a three-roll mill according to claim 1, characterized in that, The second guide frame (24) includes a third side plate (241), a fourth side plate (242), and a second horizontal plate (243). The second horizontal plate (243) is disposed at the top of the third side plate (241) and the fourth side plate (242). The third side plate (241) and the fourth side plate (242) are disposed on the second support rod (22).

Images