Aluminum profile heat treatment roller hearth furnace with guide structure

Abstract

The utility model discloses an aluminum profile heat treatment roller hearth furnace with a guide structure. Relates to the field of aluminum profile heat treatment. At present, when aluminum profiles are conveyed on a roller way of a roller hearth furnace, the deviation phenomenon often occurs. Once the aluminum profile deviates, the uniformity of heat treatment can be influenced, and the performance of the aluminum profile is inconsistent. The device comprises a furnace body and roller ways, a group of roller ways arranged in parallel are arranged in the furnace body, and guide devices are mounted on two sides above the roller ways in the furnace body; the guide device comprises a guide wheel, a guide wheel mounting frame, a fixed bracket, a motor and a pushing mechanism; the adjusting plate and the fixing support are arranged in parallel, a set of guide wheels are installed on the guide wheel installation frame, the fixing support is fixedly connected with the inner wall of the furnace body, a rotating shaft of the motor is connected with one end of the pushing mechanism, and the other end of the pushing mechanism is connected with the middle position of the guide wheel installation frame. And when the motor rotates, the guide wheel mounting frame is horizontally pushed through the pushing mechanism. The heat treatment device is applied to the field of heat treatment of aluminum profiles with guide structures.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminium alloy heat treatment field, concretely relates to a aluminium alloy heat treatment roller hearth furnace with guide structure. BACKGROUND

[0002] In the processing of aluminium alloy, heat treatment is a key process, which aims to improve the structure and performance of aluminium alloy to meet different use requirements. Roller hearth furnace is one of the commonly used equipment for aluminium alloy heat treatment, which transmits aluminium alloy through the roller way in the furnace to complete the heating, heat preservation and cooling process at a specific temperature environment.

[0003] At present, in the prior art, when aluminium alloy is transmitted on the roller way of the roller hearth furnace, the deviation phenomenon often occurs. Once the aluminium alloy deviates, not only the uniformity of heat treatment is affected, leading to inconsistent performance of aluminium alloy, but also the collision with the internal parts of the furnace body may occur, damaging the equipment and aluminium alloy, reducing the production efficiency and increasing the production cost. Therefore, a guide structure capable of effectively preventing the deviation of aluminium alloy is needed to solve these problems. SUMMARY

[0004] The utility model discloses a kind of aluminium alloy heat treatment roller hearth furnaces with guide structure to solve the deviation of aluminium alloy in the roller hearth furnace, and therefore provide.

[0005] The technical scheme of the utility model is:

[0006] A kind of aluminium alloy heat treatment roller hearth furnace with guide structure, its composition includes, furnace body and roller way, a group of parallelly arranged roller ways are provided in the furnace body, and the guide device is installed on both sides above the roller way in the furnace body;

[0007] The guide device includes guide wheel, guide wheel mounting frame, fixed support, motor and push mechanism;

[0008] The guide wheel mounting frame and fixed support are arranged in parallel, and a group of guide wheels are installed on the guide wheel mounting frame transversely and equidistantly, the fixed support is fixedly connected with the inner wall of the furnace body, the motor is arranged on the outside of the furnace body, and the rotating shaft of the motor is connected with one end of the push mechanism, the other end of the push mechanism is connected with the middle position of the guide wheel mounting frame, and the motor rotates and pushes the guide wheel mounting frame horizontally through the push mechanism.

[0009] Further, the push mechanism includes shaft coupling, small screw rod, internal thread insert sleeve and outer linear bearing;

[0010] One end of the coupling is connected with the rotating shaft of the motor, the other end of the coupling is fixedly connected with the small screw rod, the rod surface of the small screw rod is rotationally connected with the bearing seat, the end of the internally threaded sleeve is fixedly connected with the middle part of the guide wheel mounting frame, and the internally threaded sleeve is inserted into the outer linear bearing,

[0011] Part of the threaded surface of the small screw rod is screwed into the internally threaded sleeve, when the motor drives the small screw rod to rotate in the internally threaded sleeve, the guide wheel mounting frame is horizontally pushed by the internally threaded sleeve.

[0012] Further, the side, opposite to the mounting guide wheel, of the guide wheel mounting frame is symmetrically connected with a limiting support inserting rod, and the end of the limiting support inserting rod is fixedly connected with the guide wheel mounting frame.

[0013] Further, the inner wall of the furnace body is symmetrically fixedly connected with a limiting sleeve, the limiting sleeve and the limiting support inserting rod on the guide wheel mounting frame are in position correspondence with each other, the limiting support inserting rod is inserted into the limiting sleeve, and the guide wheel mounting frame is supported and limited.

[0014] Further, the limiting sleeve is fixedly installed with an inner linear bearing, the limiting support inserting rod is inserted into the inner wall of the inner linear bearing, and the inner linear bearing reduces the friction of the limiting support inserting rod and supports the limiting support inserting rod.

[0015] Further, the fixed support comprises a cross beam and a vertical beam.

[0016] The cross beam and the vertical beam are fixedly connected perpendicularly, and the tail of the vertical beam is fixedly connected with the inner wall of the furnace body, so that the fixed support is integrally connected with the furnace body.

[0017] Further, a mounting hole is formed in the middle position of the cross beam of the fixed support, and the mounting hole is used for fixing the outer linear bearing.

[0018] Further, an inserting hole is formed in the cross beam of the fixed support, and the limiting support inserting rod passes through the inserting hole.

[0019] Further, the guide wheel comprises a wheel frame and a wheel body.

[0020] The wheel body is rotationally connected between the wheel frame and the rotating shaft, the wheel surface of the wheel body of the guide wheel is in contact with the side surface of the aluminum profile, and is used for limiting the transverse displacement of the aluminum profile.

[0021] Further, the wheel body of the guide wheel is vertically arranged between the roller ways.

[0022] Compared with the prior art, the utility model has the following effects:

[0023] The utility model discloses a plurality of parallel roller ways are arranged in the furnace body, and the roller way is used for bearing and conveying aluminum profile, and the guiding device is installed in the furnace body, the wheel surface of the guide wheel contacts the side surface of aluminum profile, and is used for limiting the lateral displacement of aluminum profile. Through the pushing mechanism, the contact pressure between the guide wheel and aluminum profile and the position of the guide wheel can be adjusted to adapt to aluminum profiles of different specifications. During the operation of the roller hearth, the aluminum profile is placed on the roller way, and the guide wheels on both sides rotate while contacting the side surface of the aluminum profile, effectively preventing the aluminum profile from deviating laterally during transmission, ensuring that the aluminum profile runs smoothly in the furnace according to the predetermined trajectory and receives uniform heat treatment.

[0024] During installation, the fixed support is first welded on the inner wall of the furnace body at the predetermined position to ensure that the guide wheel is located on both sides of the appropriate position of the roller way. Then, the guide wheel is installed on the guide wheel mounting frame through the rotating shaft, so that the guide wheel can rotate flexibly. The pushing mechanism adopts a small screw rod and an internal thread insert sleeve structure. The small screw rod is screwed into the internal thread insert sleeve through the threaded structure, and the pushing distance of the guide wheel can be adjusted through the rotation of the motor, so as to change the distance and contact pressure between the guide wheel and the aluminum profile. When different specifications of aluminum profiles need to be processed, according to the width and thickness of the aluminum profile, the pushing mechanism is operated to guide the aluminum profile with the guide wheel in the right place, which not only ensures the stable transmission of the aluminum profile, but also does not damage the surface of the aluminum profile due to excessive extrusion. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a structural schematic diagram of the utility model;

[0026] Figure 2 is an installation structure schematic diagram of the pushing mechanism, the guide wheel mounting frame and the fixed support;

[0027] Figure 3 is a structural schematic diagram of the guide wheel mounting frame;

[0028] Figure 4 is Figure 1 is a local enlarged view of A in

[0029] Figure 5 is a connection schematic diagram of the limiting support plug rod and the limiting insert sleeve;

[0030] In the figure: 1, furnace body, 2, roller way, 3, guide wheel, 4, guide wheel mounting frame, 5, fixed support, 6, motor, 7, pushing mechanism, 41, limiting support plug rod, 42, limiting insert sleeve, 43, internal linear bearing, 51, crossbeam, 52, longitudinal beam, 53, mounting hole, 54, plug hole, 71, shaft coupling, 72, small screw rod, 73, internal thread insert sleeve, 74, external linear bearing, 75, bearing seat. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model, but not to limit the scope of the utility model.

[0032] Specific implementation method one: in combination with Figure 1 And Figure 2 The utility model discloses a heat treatment roller hearth furnace with guiding structure for aluminium profile, which comprises a furnace body 1 and a roller way 2, a plurality of parallel roller ways 2 are arranged in the furnace body 1, and guiding devices are installed on both sides above the roller ways 2 in the furnace body 1.

[0033] The guiding devices comprise guiding wheels 3, guiding wheel mounting racks 4, fixed supports 5, motors 6 and pushing mechanisms 7.

[0034] The guiding wheel mounting racks 4 and the fixed supports 5 are arranged in parallel, a plurality of guiding wheels 3 are transversely and equidistantly mounted on the guiding wheel mounting racks 4, the fixed supports 5 are fixedly connected with the inner walls of the furnace body 1, the motors 6 are arranged on the outside of the furnace body 1, the rotating shafts of the motors 6 are connected with one end of the pushing mechanisms 7, the other end of the pushing mechanisms is connected with the middle position of the guiding wheel mounting racks 4, and the guiding wheel mounting racks 4 are horizontally pushed by the pushing mechanisms 7 when the motors 6 rotate.

[0035] The aluminium profiles are placed above the roller ways 2 and arranged between the guiding devices on both sides in the furnace body 1, the aluminium profiles are conveyed by the roller ways 2, the wheel surfaces of the guiding wheels 3 on both sides can be in contact with the side surfaces of the aluminium profiles, and the lateral displacement of the aluminium profiles is limited.

[0036] Specific implementation method two: in combination with Figure 1 — Figure 5 The utility model discloses a heat treatment roller hearth furnace with guiding structure for aluminium profile, and the pushing mechanism 7 comprises a shaft coupling 71, a small screw rod 72, an internal thread insert sleeve 73 and an external linear bearing 74.

[0037] One end of the shaft coupling 71 is connected with the rotating shaft of the motor 6, the other end of the shaft coupling 71 is fixedly connected with the small screw rod 72, the rod surface of the small screw rod 72 is rotationally connected with a bearing seat 75, the middle part of the guiding wheel mounting rack 4 is fixedly connected with the end part of the internal thread insert sleeve 73, and the internal thread insert sleeve 73 is inserted in the external linear bearing 74.

[0038] Part of the threaded surface of the small screw rod 72 is screwed in the internal thread insert sleeve 73, and the guiding wheel mounting rack 4 is horizontally pushed by the internal thread insert sleeve 73 when the motor 6 drives the small screw rod 72 to rotate in the internal thread insert sleeve 73.

[0039] The rod surface of the small screw rod 72 is fixedly connected with the inner ring surface of the rolling bearing on the bearing seat 75, so that the small screw rod 72 rotates along the bearing seat 75. The threaded structure of the small screw rod 72 is screwed together with the inner threaded sleeve 73. When the motor 6 rotates, the motor 6 drives the small screw rod 72 to rotate synchronously through the shaft coupling 71. The threaded structure between the small screw rod 72 and the inner threaded sleeve 73 is connected. The inner threaded sleeve 73 is fixed on the guide wheel mounting frame 4. Therefore, when the motor 6 rotates, the guide wheel mounting frame 4 is horizontally pushed, and the transverse displacement of the aluminum profile is limited by the guide wheel 3 on the guide wheel mounting frame 4.

[0040] Specific implementation three: combined Figure 1 — Figure 5 This embodiment is a heat treatment roller hearth furnace for aluminum profiles with a guide structure. The guide wheel mounting frame 4 is symmetrically connected to the limiting support plug rod 41 on the side opposite to the installation of the guide wheel 3. The end of the limiting support plug rod 41 is fixedly connected with the guide wheel mounting frame 4 vertically.

[0041] The limiting support plug rod 41 adopts a cylindrical steel structure and is fixed on the guide wheel mounting frame 4 by welding. The guide wheel mounting frame 4 is vertically connected with the limiting support plug rod 41. The limiting support plug rod 41 can support the guide wheel mounting frame 4, and at the same time, the limiting support plug rod 41 can limit the guide wheel mounting frame 4 to prevent it from rotating.

[0042] Specific implementation four: combined Figure 1 — Figure 5 This embodiment is a heat treatment roller hearth furnace for aluminum profiles with a guide structure. The inner wall of the furnace body 1 is symmetrically fixedly connected with the limiting plug sleeve 42. The limiting plug sleeve 42 corresponds to the position of the limiting support plug rod 41 on the guide wheel mounting frame 4. The limiting support plug rod 41 is inserted into the limiting plug sleeve 42 to support and limit the guide wheel mounting frame 4.

[0043] The limiting plug sleeve 42 adopts a smooth metal cylindrical structure. The tail of the limiting plug sleeve 42 is fixedly connected with the inner wall of the furnace body 1 vertically by welding. The limiting plug sleeve 42 is used in cooperation with the limiting support plug rod 41. The limiting plug sleeve 42 can support the limiting support plug rod 41, and the above structure increases the overall stability of the guide device.

[0044] Specific implementation five: combined Figure 1 — Figure 5In this embodiment, the aluminum profile heat treatment roller hearth furnace with a guide structure is characterized in that the limiting sleeve 42 is internally fixedly installed with an inner linear bearing 43, and the limiting support rod 41 is inserted into the inner wall of the inner linear bearing 43, and the inner linear bearing 43 reduces the friction of the limiting support rod 41 and supports the limiting support rod 41.

[0045] The inner cylinder diameter of the limiting sleeve 42 is slightly larger than the diameter of the inner linear bearing 43, the smooth surface of the outer cylinder wall of the inner linear bearing 43 is fixed in the limiting sleeve 42, and the limiting support rod 41 is inserted into the inner cylinder of the inner linear bearing 43, so that the limiting support rod 41 can freely slide in the inner linear bearing 43, and a sliding expansion mechanism is formed between the limiting support rod 41, the inner linear bearing 43 and the limiting sleeve 42, facilitating the sliding of the limiting support rod 41.

[0046] Specific embodiment six: Figure 1 — Figure 5 In this embodiment, the aluminum profile heat treatment roller hearth furnace with a guide structure is characterized in that the fixed support 5 includes a cross beam 51 and a longitudinal beam 52.

[0047] The cross beam 51 and a group of longitudinal beams 52 are fixedly connected vertically, and the tail of the longitudinal beam 52 is fixedly connected with the inner wall of the furnace body 1, so that the fixed support 5 is integrally connected with the furnace body 1.

[0048] The cross beam 51 and the longitudinal beam 52 are fixedly connected by welding, wherein the cross beam 51 and the longitudinal beam 52 adopt rectangular steel plate structures with different sizes, and the tail of the longitudinal beam 52 is fixedly connected with the inner wall of the furnace body 1 by welding, so as to fix the fixed support 5 on the inner wall of the furnace body 1.

[0049] Specific embodiment seven: Figure 1 — Figure 5 In this embodiment, the aluminum profile heat treatment roller hearth furnace with a guide structure is characterized in that the cross beam 51 of the fixed support 5 is provided with a mounting hole 53 at the middle position, and the mounting hole 53 is used for fixing an outer linear bearing 74.

[0050] The hole diameter of the mounting hole 53 is greater than the diameter of the outer linear bearing 74, the outer linear bearing 74 is inserted into the mounting hole 53, the outer linear bearing 74 is fixed in the mounting hole 53, the inner threaded sleeve 73 passes through the inner bearing surface of the outer linear bearing 74, the outer linear bearing 74 supports the inner threaded sleeve 73, and the outer linear bearing 74 reduces the friction of the inner threaded sleeve 73.

[0051] Specific embodiment eight: Figure 1 — Figure 5To illustrate the embodiment, the aluminum profile heat treatment roller hearth furnace with a guide structure of the embodiment has a bushing 54 formed in the crossbeam 51 of the fixed support 5, and the limiting support plug rod 41 passes through the bushing 54.

[0052] The bushing 54 in the crossbeam 51 is two, and the hole diameter of the bushing 54 is greater than the diameter of the limiting support plug rod 41, so that

[0053] The limiting support plug rod 41 can pass through the bushing 54 in the crossbeam 51, and the limiting support plug rod 41 after passing through is fixedly connected with the guide wheel mounting frame 4, so as to complete the connection between the limiting support plug rod 41 and the limiting bushing 42.

[0054] Specific implementation method nine: in combination with Figure 1 — Figure 5 To illustrate the embodiment, the aluminum profile heat treatment roller hearth furnace with a guide structure of the embodiment has a guide wheel 3 including a wheel frame and a wheel body.

[0055] The wheel body is rotationally connected with the wheel frame through an axis, and the wheel surface of the wheel body of the guide wheel 3 is in contact with the side surface of the aluminum profile, for limiting the transverse displacement of the aluminum profile.

[0056] The wheel frame of the guide wheel 3 is in a U-shaped frame structure as a whole, and the center of the wheel body passes through the axis, and the wheel frame and the wheel body are rotationally connected through the axis. The wheel frame of the guide wheel 3 is fixed on the guide wheel mounting frame 4 by welding, and when the aluminum profile touches the wheel body, the wheel body rotates, and the aluminum profile is continuously sent to the outlet position by the wheel body of the guide wheel 3 and the rolling of the roller way 2.

[0057] Specific implementation method ten: in combination with Figure 1 — Figure 5 To illustrate the embodiment, the aluminum profile heat treatment roller hearth furnace with a guide structure of the embodiment has a guide wheel 3 whose wheel body is vertically arranged with the roller way 2.

[0058] The motor 6 is started, the motor 6 drives the small screw 72 to rotate through the shaft coupling 71, the partial thread surface of the small screw 72 is screwed into the inner threaded sleeve 73, the inner threaded sleeve 73 is fixedly connected with the middle position of the guide wheel mounting frame 4, therefore, when the motor 6 rotates, the guide wheel 3 on the guide wheel mounting frame 4 is horizontally pushed to move above the roller way 2, thereby reducing the conveying area above the roller way 2, the distance between the guide wheels on both sides above the roller way 2 is adjusted according to different aluminum profiles, the aluminum profile is placed above the roller way 2, and the distance and the contact pressure between the guide wheel and the aluminum profile are changed after the adjustment of the guide device. When different specifications of aluminum profiles need to be processed, according to the width and thickness of the aluminum profile, the guide device is operated, so that the guide wheel 3 can guide the aluminum profile just right, which can ensure stable transmission of the aluminum profile and effectively prevent the aluminum profile from running transversely in the transmission process, and the surface of the aluminum profile is not damaged due to excessive extrusion.

[0059] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution of the present application, and any simple modification, equivalent replacement and improvement of the above embodiment within the scope of the technical solution of the present application, according to the technical essence of the present application, within the spirit and principles of the present application, are all within the protection scope of the present application.

Claims

1. A roller hearth furnace for heat treatment of aluminum profiles with a guiding structure, comprising a furnace body (1) and roller conveyors (2), wherein a set of parallel roller conveyors (2) are arranged inside the furnace body (1), characterized in that, Guide devices are installed on both sides above the roller conveyor (2) inside the furnace body (1); The guiding device includes a guide wheel (3), a guide wheel mounting bracket (4), a fixed bracket (5), a motor (6), and a pushing mechanism (7); The guide wheel mounting bracket (4) and the fixed bracket (5) are arranged in parallel. A set of guide wheels (3) are installed horizontally and at equal intervals on the guide wheel mounting bracket (4). The fixed bracket (5) is fixedly connected to the inner wall of the furnace body (1). The motor (6) is located on the outside of the furnace body (1), and the rotating shaft of the motor (6) is connected to one end of the pushing mechanism (7). The other end of the pushing mechanism is connected to the middle position of the guide wheel mounting bracket (4). When the motor (6) rotates, it pushes the guide wheel mounting bracket (4) horizontally through the pushing mechanism (7).

2. The aluminum profile heat treatment roller hearth furnace with a guiding structure according to claim 1, characterized in that, The pushing mechanism (7) includes a coupling (71), a small screw (72), an internal threaded sleeve (73), and an external linear bearing (74); One end of the coupling (71) is connected to the shaft of the motor (6), and the other end of the coupling (71) is fixedly connected to the small screw (72). The rod surface of the small screw (72) is rotatably connected to the bearing seat (75). The end of the internal threaded sleeve (73) is fixedly connected to the middle of the guide wheel mounting bracket (4), and the internal threaded sleeve (73) is inserted into the outer linear bearing (74). Part of the threaded surface of the small screw (72) is screwed into the inner threaded sleeve (73). When the motor (6) drives the small screw (72) to rotate in the inner threaded sleeve (73), the guide wheel mounting bracket (4) is horizontally pushed through the inner threaded sleeve (73).

3. The aluminum profile heat treatment roller hearth furnace with a guiding structure according to claim 2, characterized in that, The guide wheel mounting bracket (4) is symmetrically connected to a limiting support rod (41) on the side opposite to the mounting guide wheel (3), and the end of the limiting support rod (41) is vertically and fixedly connected to the guide wheel mounting bracket (4).

4. The aluminum profile heat treatment roller hearth furnace with a guiding structure according to claim 3, characterized in that, The furnace body (1) has symmetrical fixed connections of limiting sleeves (42) on its inner wall, and the limiting sleeves (42) correspond to the limiting support rods (41) on the guide wheel mounting frame (4). At the same time, the limiting support rods (41) are inserted into the limiting sleeves (42) to support and limit the guide wheel mounting frame (4).

5. The aluminum profile heat treatment roller hearth furnace with a guiding structure according to claim 4, characterized in that, An inner linear bearing (43) is fixedly installed inside the limiting sleeve (42), and the limiting support rod (41) is inserted into the inner wall of the inner linear bearing (43). The inner linear bearing (43) reduces friction on the limiting support rod (41) and supports the limiting support rod (41).

6. The aluminum profile heat treatment roller hearth furnace with a guiding structure according to claim 1, characterized in that, The fixed bracket (5) includes a crossbeam (51) and a longitudinal beam (52); The crossbeam (51) and a set of longitudinal beams (52) are vertically fixedly connected, and the tail of the longitudinal beam (52) is fixedly connected to the inner wall of the furnace body (1), so that the fixed bracket (5) and the furnace body (1) are integrally connected.

7. The aluminum profile heat treatment roller hearth furnace with a guiding structure according to claim 6, characterized in that, The crossbeam (51) of the fixed bracket (5) has a mounting hole (53) at the middle position, and the mounting hole (53) is used to fix the outer linear bearing (74).

8. The aluminum profile heat treatment roller hearth furnace with a guiding structure according to claim 6 or 7, characterized in that, The crossbeam (51) of the fixed bracket (5) has an insertion hole (54), and the limiting support rod (41) passes through the insertion hole (54).

9. The aluminum profile heat treatment roller hearth furnace with a guiding structure according to claim 1, characterized in that, The guide wheel (3) includes a wheel frame and a wheel body; The wheel body is rotatably connected to the wheel frame via a rotating shaft, and the wheel surface of the guide wheel (3) contacts the side of the aluminum profile to limit the lateral displacement of the aluminum profile.

10. The aluminum profile heat treatment roller hearth furnace with a guiding structure according to claim 9, characterized in that, The guide wheel (3) is arranged perpendicularly to the roller conveyor (2).

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