Extruded aluminum bar traction device

Abstract

The utility model discloses an extruded aluminum bar traction device which comprises a device rack, a bottom traction roller set and a top limiting roller set, a first height adjusting mechanism is arranged on the device rack, the first height adjusting mechanism comprises a first adjusting table, the bottom traction roller set is fixedly connected to the first adjusting table, a second height adjusting mechanism is arranged on the device rack, and the top limiting roller set is fixedly connected to the second height adjusting mechanism. The second height adjusting mechanism comprises a second adjusting table, the second adjusting table is fixedly connected with a top limiting roller set, the top limiting roller set is located on the upper portion of the bottom traction roller set, the top limiting roller set corresponds to the bottom traction roller set, and an aluminum bar conveying area is formed between the top limiting roller set and the bottom traction roller set. The device can adapt to aluminum bars with different diameters, vibration and deformation in the conveying process are effectively restrained, linear motion of the aluminum bars is guaranteed through the synergistic effect of the upper roller and the lower roller, and the product quality and the production flexibility are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a traction device technical field, and specifically is a kind of extruded aluminium bar traction device. BACKGROUND

[0002] Aluminium bar is extruded in the forming process, due to the influence of high-temperature extrusion and rapid cooling, residual stress is easily generated, resulting in the bending of aluminium bar, deformation or surface quality defect, the traction device in prior art generally adopts tractor type and conveying roller type;

[0003] Firstly, the conventional tractor adopts clamping type traction mechanism, and the end of aluminium bar is clamped by hydraulic or pneumatic clamping jaw for linear traction, but this traction structure cannot provide stable support to the full length of aluminium bar, and the straightness is poor due to self-weight sagging under high temperature condition;

[0004] Secondly, another common scheme adopts fixed conveying roller group, and aluminium bar is continuously pulled by motor-driven roller. Although this method realizes continuous conveying, the roller group height is fixed, and it cannot adapt to aluminium bars of different diameters, and the roller needs to be adjusted or replaced when product specifications are changed, which seriously affects production efficiency, and only the bottom roller is driven, and there is no top limiting structure, so that aluminium bar is easy to jump or deviate when thermal expansion and contraction or stress is released. TECHNICAL SOLUTION

[0005] In view of the above deficiencies in the prior art, the utility model aims to provide a traction device for improving the production quality of aluminium bar.

[0006] The utility model discloses the technical scheme adopted for realizing the above-mentioned purpose is: a kind of extruded aluminium bar traction device, including device rack, bottom traction roller group, top limiting roller group, the first height adjusting mechanism is equipped on the device rack, the first height adjusting mechanism includes first adjusting platform, the first adjusting platform is fixedly connected with the bottom traction roller group, the second height adjusting mechanism is equipped on the device rack, the second height adjusting mechanism includes second adjusting platform, the second adjusting platform is fixedly connected with the top limiting roller group, the top limiting roller group is located in the upper portion of the bottom traction roller group, the top limiting roller group corresponds with the bottom traction roller group, and aluminium bar conveying area is formed between the top limiting roller group and the bottom traction roller group.

[0007] In the above technical solution, the first height adjusting mechanism further comprises a first adjusting screw, a first guide column, a first rotating disc, a first worm and a first worm wheel, the device rack is fixedly connected with the first guide column, the first guide column is slidably connected with the first adjusting table, the first adjusting table is threadedly connected with the first adjusting screw, the bottom end of the first adjusting screw is fixedly connected with a first input shaft, the first input shaft is fixedly connected with the first worm wheel, the device rack is rotatably connected with the first worm, the first worm is meshingly connected with the first worm wheel, the device rack is rotatably connected with the first rotating disc, and the first rotating disc is power-connected with the first worm.

[0008] In the above technical solution, the first height adjusting mechanism adopts multiple groups, and the first worms in the multiple groups of the first height adjusting mechanism are fixedly connected through a first connecting shaft, and the first rotating disc is power-connected with the first connecting shaft.

[0009] In the above technical solution, one end of the first connecting shaft is fixedly connected with a first bevel gear, a second input shaft is rotatably connected to the device rack, the second input shaft is fixedly connected with the second bevel gear, the first bevel gear is meshingly connected with the second bevel gear, and the first rotating disc is fixedly connected with the second input shaft.

[0010] In the above technical solution, the bottom traction roller group comprises a bottom rack, a motor, a synchronous connecting piece and a bottom roller, the first adjusting table is fixedly connected with the bottom rack, the bottom rack is rotatably connected with multiple groups of the bottom roller, the roller shafts of the multiple groups of the bottom roller are sequentially power-connected through the synchronous connecting pieces, the bottom rack is fixedly connected with the motor, and the motor is power-connected with one group of the bottom roller.

[0011] In the above technical solution, the second height adjusting mechanism further comprises a second guide column, a second adjusting screw, a second rotating disc, a second worm and a second worm wheel, the device rack is fixedly connected with the second guide column, the second guide column is slidably connected with the second adjusting table, the second adjusting table is threadedly connected with the second adjusting screw, the bottom end of the second adjusting screw is fixedly connected with a third input shaft, the third input shaft is fixedly connected with the second worm wheel, the device rack is rotatably connected with the second worm, the second worm is meshingly connected with the second worm wheel, the device rack is rotatably connected with the second rotating disc, and the second rotating disc is power-connected with the second worm.

[0012] In the technical scheme, the second height adjusting mechanism adopts multiple groups, the second worms of the multiple groups of second height adjusting mechanisms are fixedly connected through a second connecting shaft, and the second rotating disc is power-connected with the second connecting shaft.

[0013] In the technical scheme, one end of the second connecting shaft is fixedly connected with a third bevel gear, a fourth input shaft is rotatably connected on the device rack, a fourth bevel gear is fixedly connected on the fourth input shaft, the fourth bevel gear is meshingly connected with the third bevel gear, and the second rotating disc is fixedly connected with the fourth input shaft.

[0014] In the technical scheme, the top limiting roller group comprises a corner frame and top rollers, the corner frame is fixedly connected on the second adjusting table, and one group of the top rollers is rotatably connected on the corner frame corresponding to each group of the bottom rollers.

[0015] In the technical scheme, the top rollers and the bottom rollers are all provided with arc-shaped roller grooves.

[0016] The beneficial effects of the utility model are as follows:

[0017] The first height adjusting mechanism can adjust the height of the bottom traction roller group, and the second height adjusting mechanism can adjust the height of the top limiting roller group, after the aluminum bar is extruded, the aluminum bar can enter the aluminum bar conveying area, the aluminum bar is pulled through the bottom traction roller group, and the conveying of the aluminum bar can be limited through the top limiting roller group and the bottom traction roller group, so that the deformation of the aluminum bar due to residual stress or temperature change can be avoided, and the vibration or bending of the aluminum bar can be inhibited, so that the quality of the aluminum bar is more excellent, and the height of the bottom traction roller group and the top limiting roller group can be adjusted through the first height adjusting mechanism and the second height adjusting mechanism, so that the aluminum bars with different diameters can be adapted, the diversified production requirements can be met, and the quick switching of products with multiple specifications is especially suitable. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a structural schematic view of the utility model from another angle; Figure 1 It is a structural schematic view of the utility model from another angle;

[0020] Figure 3 It is a structural schematic view of the utility model from another angle;

[0021] Figure 4 It is a structural schematic view of the utility model from another angle; Figure 3 It is a structural schematic view of the utility model from another angle;

[0022] Figure 5 It is a structural schematic view of the utility model from another angle;

[0023] In the figure: 100 device rack, 201 bottom rack, 202 motor, 203 synchronous connecting piece, 204 bottom roller, 301 corner rack, 302 top roller, 401 first adjusting platform, 402 first adjusting screw, 403 first guide column, 404 first rotating disc, 405 first worm, 406 first worm wheel, 407 first input shaft, 408 first connecting shaft, 409 first bevel gear, 410 second input shaft, 411 second bevel gear, 501 second adjusting platform, 502 second guide column, 503 second adjusting screw, 504 second rotating disc, 505 second worm, 506 second worm wheel, 507 third input shaft, 508 second connecting shaft, 509 third bevel gear, 510 fourth input shaft, 511 fourth bevel gear, 600 arc-shaped roller groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model.

[0025] Please refer to Figures 1-5 A kind of extrusion aluminium bar traction device, including device rack 100, bottom traction roller group, top limiting roller group, wherein, first height adjusting mechanism is equipped on device rack 100, first height adjusting mechanism includes first adjusting platform 401, first adjusting screw 402, first guide column 403, first rotating disc 404, first worm 405 and first worm wheel 406, i.e., first guide column 403 is fixedly connected on device rack 100, and first adjusting platform 401 is slidably connected on first guide column 403, first adjusting screw 402 is screw-connected on first adjusting platform 401, the bottom end of first adjusting screw 402 is fixedly connected with first input shaft 407, first input shaft 407 is fixedly connected with first worm wheel 406, first worm 405 is rotatably connected on device rack 100, first worm 405 is meshingly connected with first worm wheel 406, first rotating disc 404 is rotatably connected on device rack 100, first rotating disc 404 is power-connected with first worm 405, by rotating first rotating disc 404, first worm 405 can be driven to rotate, then first worm 405 drives first worm wheel 406 to rotate, so that first adjusting screw 402 rotates, so that first adjusting platform 401 can be lifted and lowered on first guide column 403;

[0026] The first adjusting platform 401 is fixedly connected with a bottom traction roller set, so that the height of the bottom traction roller set can be adjusted. Specifically, the bottom traction roller set comprises a bottom frame 201, a motor 202, a synchronous connecting piece 203 and bottom roller wheels 204. That is, the bottom frame 201 is fixedly connected to the first adjusting platform 401, and the bottom roller wheels 204 are rotatably connected to the bottom frame 201. The roller shafts of the plurality of bottom roller wheels 204 are sequentially and powerfully connected by the synchronous connecting piece 203 (a combination of synchronous wheels and synchronous belts). The motor 202 is fixedly connected to the bottom frame 201 and is powerfully connected to one of the bottom roller wheels 204. Thus, the plurality of bottom roller wheels 204 can be synchronously driven to rotate by the motor 202. When the bottom traction roller set is driven to the appropriate height by the first height adjusting mechanism, the extruded aluminum bar can be located on the bottom roller wheels 204, and the aluminum bar can be pulled and conveyed by the rotating bottom roller wheels 204.

[0027] Further, to ensure stable adjustment of the first adjusting platform 401, the first height adjusting mechanism comprises a plurality of groups, and the first worms 405 in the plurality of groups are fixedly connected by a first connecting shaft 408. The first rotating disc 404 is powerfully connected to the first connecting shaft 408. Thus, the plurality of first worms 405 can be synchronously driven to rotate by rotating the first rotating disc 404. The plurality of first worms 405 synchronously drive the plurality of first worms 406 to rotate, so that the plurality of first adjusting nuts 402 are synchronously rotated. Thus, the plurality of first adjusting platforms 401 synchronously adjust the height of the bottom traction roller set.

[0028] Further, one end of the first connecting shaft 408 is fixedly connected with a first bevel gear 409. The device frame 100 is rotatably connected with a second input shaft 410, and the second input shaft 410 is fixedly connected with a second bevel gear 411. The first bevel gear 409 is meshingly connected with the second bevel gear 411. The first rotating disc 404 is fixedly connected with the second input shaft 410. Thus, the first rotating disc 404 can be moved towards the side by the first bevel gear 409 and the second bevel gear 411, so as to facilitate operation of the first rotating disc 404.

[0029] Furthermore, the device rack 100 is also provided with a second height adjusting mechanism, the second height adjusting mechanism comprises a second adjusting table 501, a second guide column 502, a second adjusting lead screw 503, a second rotating disc 504, a second worm 505 and a second worm wheel 506, that is, the second guide column 502 is fixedly connected on the device rack 100, the second adjusting table 501 is slidably connected on the second guide column 502, the second adjusting lead screw 503 is threadedly connected on the second adjusting table 501, the third input shaft 507 is fixedly connected at the bottom end of the second adjusting lead screw 503, the second worm wheel 506 is fixedly connected on the third input shaft 507, the second worm 505 is rotatably connected on the device rack 100, the second worm 505 is meshingly connected with the second worm wheel 506, the second rotating disc 504 is rotatably connected on the device rack 100, and the second rotating disc 504 is power-connected with the second worm 505, so that the second rotating disc 504 can drive the second worm 505 to rotate, and the second worm 505 drives the second worm wheel 506 to rotate, and finally the second adjusting lead screw 503 rotates, and when the second adjusting lead screw 503 rotates, the second adjusting table 501 can move up and down on the second guide column 502;

[0030] In addition, the second adjusting table 501 is fixedly connected with a top limiting roller set, and the top limiting roller set is located above the bottom traction roller set, and the top limiting roller set corresponds to the bottom traction roller set, and an aluminum bar conveying area is formed between the top limiting roller set and the bottom traction roller set, specifically, the top limiting roller set comprises a corner frame 301 and a top roller 302, that is, the corner frame 301 is fixedly connected on the second adjusting table 501, and a set of top rollers 302 is rotatably connected on the corner frame 301 corresponding to each set of bottom rollers 204;

[0031] In this way, the height of the top limiting roller set can be adjusted through the second height adjusting mechanism, so that the top of the aluminum bar on the bottom roller 204 is in contact with the top roller 302, so that when the aluminum bar is traction conveyed, the deformation of the aluminum bar due to residual stress or temperature change can be avoided, and the vibration or bending of the aluminum bar is inhibited, so that the quality of the aluminum bar is more excellent, and the height of the bottom traction roller set and the top limiting roller set can be adjusted, which can adapt to aluminum bars of different diameters and meet diversified production needs;

[0032] In addition, the top roller 302 and the bottom roller 204 are both provided with an arc-shaped roller groove 600, which can closely fit the cylindrical surface of the aluminum bar, reduce the deviation or sliding during rolling, and ensure that the aluminum bar moves in a straight line during conveying, avoiding lateral displacement;

[0033] Further, the second height adjusting mechanism also adopts multiple groups, and the second worms 505 of the multiple groups of second height adjusting mechanisms are fixedly connected through the second connecting shaft 508, and the second rotating disc 504 is powerfully connected with the second connecting shaft 508, so that the multiple groups of second worms 505 can be synchronously driven to rotate through the second rotating disc 504, and the multiple groups of second worms 505 synchronously drive the second worm gears 506 to rotate, so that the multiple groups of second adjusting lead screws 503 rotate, and the multiple groups of second adjusting platforms 501 can synchronously adjust the height of the top limiting roller group, so that the adjustment of the top limiting roller group is stable.

[0034] Further, one end of the second connecting shaft 508 is fixedly connected with the third bevel gear 509, the device rack 100 is rotatably connected with the fourth input shaft 510, the fourth input shaft 510 is fixedly connected with the fourth bevel gear 511, the fourth bevel gear 511 is meshingly connected with the third bevel gear 509, and the second rotating disc 504 is fixedly connected with the fourth input shaft 510, so that the second rotating disc 504 faces the outside, so as to facilitate the operation of the second rotating disc 504.

[0035] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the foregoing description, and it is intended to encompass all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be deemed to limit the claims involved.

[0036] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A device for pulling extruded aluminum bars, comprising a device frame (100), a bottom set of pulling rollers, a top set of limiting rollers, characterized in that: The device rack (100) is provided with a first height adjusting mechanism, the first height adjusting mechanism comprises a first adjusting table (401), the first adjusting table (401) is fixedly connected with the bottom traction roller group, the device rack (100) is provided with a second height adjusting mechanism, the second height adjusting mechanism comprises a second adjusting table (501), the second adjusting table (501) is fixedly connected with the top limiting roller group, the top limiting roller group is located on the upper portion of the bottom traction roller group, the top limiting roller group corresponds to the bottom traction roller group, and the top limiting roller group and the bottom traction roller group form an aluminum bar conveying area.

2. A device for pulling an extruded aluminium rod according to claim 1, characterized in that: The first height adjusting mechanism further comprises a first adjusting screw (402), a first guide column (403), a first rotating disc (404), a first worm (405) and a first worm wheel (406), the device rack (100) is fixedly connected with the first guide column (403), the first guide column (403) is slidably connected with the first adjusting table (401), the first adjusting table (401) is threadedly connected with the first adjusting screw (402), the bottom end of the first adjusting screw (402) is fixedly connected with a first input shaft (407), the first input shaft (407) is fixedly connected with the first worm wheel (406), the device rack (100) is rotatably connected with the first worm (405), the first worm (405) is meshedly connected with the first worm wheel (406), the device rack (100) is rotatably connected with the first rotating disc (404), and the first rotating disc (404) is power-connected with the first worm (405).

3. A device for pulling an extruded aluminium rod according to claim 2, characterised in that: The first height adjusting mechanism adopts a plurality of groups, the first worms (405) in the plurality of groups of the first height adjusting mechanism are fixedly connected through a first connecting shaft (408), and the first rotating disc (404) is power-connected with the first connecting shaft (408).

4. A device for pulling an extruded aluminium rod according to claim 3, characterised in that: One end of the first connecting shaft (408) is fixedly connected with a first bevel gear (409), a second input shaft (410) is rotatably connected to the device rack (100), a second bevel gear (411) is fixedly connected to the second input shaft (410), the first bevel gear (409) is meshedly connected with the second bevel gear (411), and the first rotating disc (404) is fixedly connected with the second input shaft (410).

5. The apparatus of claim 1 wherein: The bottom traction roller group comprises a bottom rack (201), a motor (202), a synchronous connecting piece (203) and bottom roller wheels (204), the bottom rack (201) is fixedly connected to the first adjusting table (401), a plurality of groups of the bottom roller wheels (204) are rotationally connected to the bottom rack (201), the roller shafts of the plurality of groups of the bottom roller wheels (204) are sequentially and powerfully connected through the synchronous connecting piece (203), and the motor (202) is powerfully connected to one group of the bottom roller wheels (204).

6. A device for pulling an extruded aluminum rod as defined in claim 1, characterized in that: The second height adjusting mechanism further comprises a second guide column (502), a second adjusting lead screw (503), a second rotating disc (504), a second worm (505) and a second worm wheel (506), the second guide column (502) is fixedly connected to the device rack (100), the second adjusting table (501) is slidably connected to the second guide column (502), the second adjusting lead screw (503) is threadedly connected to the second adjusting table (501), the bottom end of the second adjusting lead screw (503) is fixedly connected with a third input shaft (507), the second worm wheel (506) is fixedly connected to the third input shaft (507), the second worm (505) is rotationally connected to the device rack (100), the second worm (505) is meshingly connected with the second worm wheel (506), and the second rotating disc (504) is rotationally connected to the device rack (100) and is powerfully connected with the second worm (505).

7. A device for pulling an extruded aluminium rod according to claim 6, characterised in that: The second height adjusting mechanism comprises a plurality of groups, the second worms (505) of the plurality of groups of the second height adjusting mechanism are fixedly connected through a second connecting shaft (508), and the second rotating disc (504) is powerfully connected with the second connecting shaft (508).

8. A device for pulling an extruded aluminium rod according to claim 7, characterised in that: One end of the second connecting shaft (508) is fixedly connected with a third bevel gear (509), a fourth input shaft (510) is rotationally connected to the device rack (100), a fourth bevel gear (511) is fixedly connected to the fourth input shaft (510), the fourth bevel gear (511) is meshingly connected with the third bevel gear (509), and the second rotating disc (504) is fixedly connected with the fourth input shaft (510).

9. The apparatus of claim 5 wherein: The top limiting roller group comprises a corner rack (301) and top roller wheels (302), the corner rack (301) is fixedly connected to the second adjusting table (501), and the corner rack (301) is rotationally connected with one group of the top roller wheels (302) corresponding to each group of the bottom roller wheels (204).

10. A device for pulling an extruded aluminium rod according to claim 9, characterized in that: The top roller wheels (302) and the bottom roller wheels (204) are both provided with arc-shaped roller grooves (600).

Images