Five-roller extrusion roller frame

Abstract

The utility model provides a five-roller extrusion roller frame, which belongs to the technical field of square tube forming and comprises a frame body, a carrier roller mechanism, two groups of side roller mechanisms, two groups of upper roller mechanisms and two groups of lifting mechanisms, a lifting sliding plate is arranged on the vertical frame; the carrier roller mechanism is arranged on the base; the two groups of side roller mechanisms are symmetrically arranged on the lifting sliding plate along the centering line of the frame body; the two groups of upper roller mechanisms are symmetrically arranged on the lifting sliding plate, and an included angle formed by upper rollers of the two groups of upper roller mechanisms is an acute angle; and the carrier rollers, the side rollers and the upper rollers are encircled to form an extrusion forming cavity. The two lifting mechanism lifting rods are connected to the lifting sliding plate to drive the side roller mechanism and the upper roller mechanism to ascend and descend synchronously. According to the five-roller extrusion roller frame provided by the utility model, the lifting mechanism can realize synchronous and rapid adjustment of the side roller mechanism and the upper roller mechanism, and respective transverse movement and up-and-down position adjustment can be finely adjusted according to actual conditions, and rollers do not need to be replaced, so that the production efficiency is improved, and the forming precision of square tubes is also improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of square tube forming, and in particular relates to a five-roller extrusion roller frame. Background Art

[0002] The production of square tubes is to directly cold-bend the steel strip into square tubes through multiple forming racks, and then squeeze the steel strip through high-frequency welding to connect the two sides of the steel strip to form a closed square tube. The forming is difficult, and each process must have high accuracy, otherwise it is difficult to ensure the dimensional accuracy of the final square tube. The current square extrusion device needs to replace the corresponding upper roller mold according to the size of the square tube produced, which wastes a lot of time in replacing the rollers, causing many inconveniences in production changeovers, and it is difficult to ensure the forming accuracy. Utility Model Content

[0003] The embodiment of the utility model provides a five-roller extrusion roller frame, aiming to solve the problem that the existing device needs to replace the mold, resulting in a long production cycle and poor production accuracy.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a five-roller extrusion roller frame, comprising:

[0005] The frame body comprises a base and a stand mounted on the base; the stand is provided with a lifting slide;

[0006] A roller mechanism is arranged on the base, and the roller mechanism comprises rollers;

[0007] Two sets of side roller mechanisms are symmetrically arranged on the lifting slide along the centering line of the frame; the side roller mechanism includes a transverse screw rod, a transverse nut matched with the transverse screw rod and a side rolling roller connected to the transverse nut;

[0008] Two sets of upper roller mechanisms are symmetrically arranged on the lifting slide plate, and the angle formed by the upper rollers of the two sets of upper roller mechanisms is an acute angle; the upper roller mechanism includes an upward moving screw, an upward moving nut matched with the upward moving screw and an upper roller connected to the upward moving nut; and

[0009] Two sets of lifting mechanisms, whose lifting rods are connected to the lifting slide plate, drive the side roller mechanism and the upper roller mechanism to rise and fall synchronously.

[0010] In one practicable manner, an upper seat for mounting the lifting mechanism is provided at the top end of the stand.

[0011] In one achievable manner, a first reinforcing plate is provided between the upper seat and the stand.

[0012] In one achievable manner, two vertical guide rails are provided on the stand, a slider is provided on the vertical guide rail, and the lifting slide is fixed on the slider.

[0013] In one achievable manner, a lower seat is provided on the lifting slide plate, and the side roller mechanism is provided on the lower seat.

[0014] In one achievable manner, a guide groove formed by a transverse guide plate is provided on the lower seat, and the transverse displacement nut is limited in the guide groove.

[0015] In one achievable manner, a side roller seat is provided on the transverse nut, a lower portion of the side roller seat is located in the guide groove, and the side rolling roller is rotatably provided on an upper portion of the side roller seat.

[0016] In one feasible manner, a side roller support plate is provided on the side roller seat, and the side roller shaft of the side rolling roller is rotatably connected between the side roller seat and the side roller support plate; an avoidance groove for avoiding the side rolling roller is formed between the side roller seat and the side roller support plate.

[0017] In one feasible manner, the lifting slide plate is also provided with an upper roller seat and an upper roller box connected to the upper roller seat, the upper roller box is connected to the upward nut, and the upper roller shaft of the upper rolling roller is provided on the upper roller box.

[0018] In one achievable manner, the upper roller seat includes two upper roller pressure plates and an upper roller support plate connected between the upper roller pressure plates, the upper moving screw is rotatably connected to the upper roller support plate, and the upper roller box is limited to be located between the two upper roller pressure plates.

[0019] Compared with the prior art, the five-roller extrusion roller frame provided by the utility model has the following beneficial effects: the side rollers and two upper rollers on both sides have left and right lateral movement and up and down adjustment positions, and under the action of the lifting mechanism, they also have simultaneous rising and falling movements. The lifting mechanism can realize synchronous and rapid adjustment of the positions of the side roller mechanism and the upper roller mechanism as a whole, and the adjustment of their respective lateral movement and up and down positions can be fine-tuned according to actual conditions. The five-roller extrusion roller frame provided by the utility model can be quickly adjusted according to the specifications of the square tube, and can also be fine-tuned according to actual conditions for each side roller and the upper roller to ensure the forming accuracy, so as to adapt to the production requirements of square tubes of different specifications, without the need to replace the rollers, which not only improves the production efficiency, but also improves the forming accuracy of the square tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the structure of a five-roller extrusion roller frame provided in an embodiment of the utility model;

[0021] Figure 2 for Figure 1 A right side structural schematic diagram of a five-roller extrusion roll stand is provided;

[0022] Description of reference numerals:

[0023] 1. Base; 2. Stand; 3. Third reinforcement plate; 4. Lower seat; 5. Transverse screw rod; 6. Transverse nut; 7. Side roller seat; 8. Side rolling roller; 9. Lifting rod; 10. Lifting mechanism; 11. Upper screw rod; 12. Upper seat; 13. Vertical guide rail; 14. Upper roller box; 15. Lifting slide plate; 16. Upper roller pressure plate; 17. Upper rolling roller; 18. Transverse guide plate; 19. Roller; 20. Roller seat; 21. First reinforcement plate; 22. Second reinforcement plate; 23. Slider. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0025] Please also read Figure 1 and Figure 2 The five-roller extrusion roller frame provided by the utility model is now described. The five-roller extrusion roller frame includes: a frame body, a roller mechanism, two sets of side roller mechanisms, two sets of upper roller mechanisms and two sets of lifting mechanisms 10. The frame body includes a base 1 and a stand 2 arranged on the base 1, wherein a second reinforcing plate 22 is arranged between the base 1 and the stand 2; a lifting slide 15 is arranged on the stand 2; the roller mechanism is arranged on the base 1, and the roller mechanism includes a roller seat 20 and a roller 19 rotatably arranged on the roller seat 20, wherein the roller 19 does not need to be lifted or lowered, and the roller 19 is rotatably connected to the roller shaft through a bearing, and a roller 19 seat is arranged on the base 1, and the roller shaft is installed On the roller seat 19; two sets of side roller mechanisms are symmetrically arranged on the lifting slide 15 along the centering line of the frame; the side roller mechanism includes a transverse screw 5, a transverse nut 6 matched with the transverse screw 5 and a side roller 8 connected to the transverse nut 6; two sets of upper roller mechanisms are symmetrically arranged on the lifting slide 15, and the angle formed by the upper rollers 17 of the two sets of upper roller mechanisms is an acute angle; the upper roller mechanism includes an upper screw 11, an upper nut matched with the upper screw 11 and an upper roller 17 connected to the upper nut; wherein the five rollers of the roller 19, the side roller 8 and the upper roller 17 together form an extrusion molding cavity.

[0026] The lifting rods 9 of the two lifting mechanisms 10 are connected to the lifting slide 15, driving the side roller mechanism and the upper roller mechanism to rise and fall synchronously. The lifting mechanism 10 can be a linear module, a worm gear lifting mechanism or other lifting methods.

[0027] The five-roller extrusion roller frame provided by the utility model has the side rollers 8 and two upper rollers 17 on both sides, while each having left and right lateral movement and up and down adjustment positions, and also having simultaneous rising and falling movement under the action of the lifting mechanism 10. The lifting mechanism 10 can realize the rapid adjustment of the positions of the side roller mechanism and the upper roller mechanism as a whole, and the adjustment of the respective lateral movement and up and down positions can be fine-tuned according to actual conditions. The five-roller extrusion roller frame provided by the utility model can be quickly adjusted according to the specifications of the square tube, and can also be fine-tuned according to actual conditions, so as to ensure the forming accuracy, to meet the production requirements of square tubes of different specifications, without the need to replace the rollers, which not only improves the production efficiency, but also improves the forming accuracy of the square tube.

[0028] For example, when the size of the square tubes formed in the previous batch is significantly different from the size of the square tubes to be formed in the next batch, the upper roller 17 and the side roller 8 need to adjust and move a large distance. At this time, the lifting mechanism 10 can be used to achieve rapid adjustment in the height direction, and the precise size can be adjusted by the respective screw rods.

[0029] In some embodiments, see Figure 1 and Figure 2 The top of the stand 2 is provided with an upper seat 12 for mounting the lifting mechanism 10.

[0030] In some embodiments, see Figure 1 and Figure 2 A first reinforcing plate 21 is provided between the upper seat 12 and the stand 2 to enhance the supporting strength of the lifting mechanism 10 .

[0031] In some embodiments, see Figure 1 and Figure 2 Two vertical guide rails 13 are arranged on the stand 2 , a slider 23 is arranged on the vertical guide rail 13 , and a lifting slide 15 is fixed on the slider 23 .

[0032] In some embodiments, see Figure 1 and Figure 2 A lower seat 4 is arranged on the lifting slide 15, and a side roller mechanism is arranged on the lower seat 4. A third reinforcing plate 3 is arranged between the lower seat 4 and the lifting slide 15 to support the side roller mechanism.

[0033] In some embodiments, see Figure 1 and Figure 2 The lower seat 4 is provided with a guide groove formed by a transverse guide plate 18, and the transverse nut 6 is limited in the guide groove. The guide groove guides the transverse nut 6 to prevent the transverse nut 6 from going off, thereby affecting the forming accuracy of the square tube.

[0034] In some embodiments, see Figure 1 and Figure 2A side roller seat 7 is arranged on the transverse nut 6 , the lower part of the side roller seat 7 is located in the guide groove, and the side rolling roller 8 is rotatably arranged on the upper part of the side roller seat 7 .

[0035] In some embodiments, see Figure 1 and Figure 2 A side roller support plate is provided on the side roller seat 7, and the side roller shaft of the side rolling roller 8 is rotatably connected between the side roller seat 7 and the side roller support plate; a clearance groove for avoiding the side rolling roller 8 is formed between the side roller seat 7 and the side roller support plate. The side roller support plate is fixed to the side roller seat 7 by bolts, and the transverse nut 6 is fixed to the side roller seat 7 by bolts that are consistent with the axial direction of the transverse screw rod 5.

[0036] In some embodiments, see Figure 1 and Figure 2 The lifting slide plate 15 is also provided with an upper roller seat and an upper roller box 14 connected to the upper roller seat, the upper roller box 14 is connected to the upward nut, and the upper roller shaft of the upper roller 17 is arranged on the upper roller box 14. The upper roller box 14 forms a protection and support structure for installing the upper roller 17.

[0037] In some embodiments, see Figure 1 and Figure 2 The upper roller seat includes two upper roller pressing plates 16 and an upper roller supporting plate connected between the upper roller pressing plates 16. The upper moving screw rod 11 is rotatably connected to the upper roller supporting plate, and the upper roller box 14 is limited between the two upper roller pressing plates 16. The two upper roller pressing plates 16 have a guiding and limiting effect on the upper roller box 14. The upper roller pressing plates 16 and the upper roller supporting plate are fixed on the lifting slide plate 15.

[0038] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described or recorded in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A five-roller extrusion roll stand, characterized in that: include: The frame body comprises a base (1) and a stand (2) arranged on the base (1); a lifting slide plate (15) is arranged on the stand (2); A roller mechanism is arranged on the base (1), and the roller mechanism comprises a roller (19); Two sets of side roller mechanisms are symmetrically arranged on the lifting slide plate (15) along the centering line of the frame; the side roller mechanism comprises a transverse screw rod (5), a transverse nut (6) matched with the transverse screw rod (5) and a side rolling roller (8) connected to the transverse nut (6); Two sets of upper roller mechanisms are symmetrically arranged on the lifting slide plate (15), and the angle formed by the upper rollers (17) of the two sets of upper roller mechanisms is an acute angle; the upper roller mechanism comprises an upward moving screw rod (11), an upward moving nut matched with the upward moving screw rod (11), and an upper roller (17) connected to the upward moving nut; and Two sets of lifting mechanisms (10), whose lifting rods (9) are connected to the lifting slide plate (15), drive the side roller mechanism and the upper roller mechanism to rise and fall synchronously.

2. The five-roller squeeze roll stand according to claim 1, characterized in that: An upper seat (12) for mounting the lifting mechanism (10) is provided at the top end of the stand (2).

3. The five-roller squeeze roll stand according to claim 2, characterized in that: A first reinforcing plate (21) is provided between the upper seat (12) and the stand (2).

4. The five-roller squeeze roll stand according to claim 1, characterized in that: Two vertical guide rails (13) are arranged on the stand (2), a slider (23) is arranged on the vertical guide rail (13), and the lifting slide plate (15) is fixed on the slider (23).

5. The five-roller squeeze roll stand according to claim 1, characterized in that: The lifting slide plate (15) is provided with a lower seat (4), and the side roller mechanism is provided on the lower seat (4).

6. The five-roller squeeze roll stand according to claim 5, characterized in that: The lower seat (4) is provided with a guide groove formed by a transverse guide plate (18), and the transverse nut (6) is limited in the guide groove.

7. The five-roller squeeze roll stand according to claim 6, characterized in that: The transverse nut (6) is provided with a side roller seat (7), the lower part of the side roller seat (7) is located in the guide groove, and the side rolling roller (8) is rotatably arranged on the upper part of the side roller seat (7).

8. The five-roller squeeze roll stand according to claim 7, characterized in that: A side roller support plate is provided on the side roller seat (7); the side roller shaft of the side rolling roller (8) is rotatably connected between the side roller seat (7) and the side roller support plate; an avoidance groove for avoiding the side rolling roller (8) is formed between the side roller seat (7) and the side roller support plate.

9. The five-roller squeeze roll stand according to claim 1, characterized in that: The lifting slide plate (15) is also provided with an upper roller seat and an upper roller box (14) connected to the upper roller seat, the upper roller box (14) is connected to the upward nut, and the upper roller shaft of the upper roller (17) is arranged on the upper roller box (14).

10. The five-roller squeeze roll stand according to claim 9, characterized in that: The upper roller seat comprises two upper roller pressure plates (16) and an upper roller support plate connected between the upper roller pressure plates (16); the upper moving screw rod (11) is rotatably connected to the upper roller support plate; and the upper roller box (14) is limited between the two upper roller pressure plates (16).

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