Annealing furnace convenient for feeding and discharging

Abstract

The annealing furnace comprises a tunnel furnace, a conveying line is fixedly arranged from the front end to the rear end of the tunnel furnace, portal frames are arranged on the outer sides of the front end and the rear end of the conveying line, and guide rails are fixedly arranged on the front side and the rear side of the top of each portal frame; a mounting seat is fixedly arranged at the bottom of the tackle, a connecting shaft is movably connected to the middle of the bottom end of the mounting seat in a sleeved mode, when the clamping jaw takes and places workpieces on the conveying line, the clamping jaw and the workpieces are affected by operation of the conveying line, and the workpieces and the clamping jaw are pushed by the conveying line from the feeding direction to the feeding direction. At the moment, the connecting shaft and the moving frame deviate on the mounting base through the damping rubber sleeve and the limiting spring, the double-end air cylinder drives the clamping jaw to release or grab the workpiece on the conveying line in the deviation process, scraping abrasion between the workpiece and the conveying line is avoided, and stable taking and placing operation of the workpiece on the conveying line is completed.

Description

Technical Field

[0001] This utility model mainly relates to the field of annealing furnace technology, specifically to an annealing furnace that facilitates material feeding and discharging. Background Technology

[0002] When tunnel-type annealing furnaces can anneal workpieces of different sizes, workers use cantilever cranes to move large workpieces onto the furnace. Since the furnace is in operation and its conveyor line is running, it is easy for the workpiece to not be unhooked from the cantilever crane in time, causing the cantilever crane to be pulled. Alternatively, workers may attempt to unhook the workpiece prematurely to avoid unhooking, resulting in the conveyor line of the annealing furnace being damaged by the workpiece.

[0003] The inventor proposes an annealing furnace that facilitates material loading and unloading. A gantry and a trolley are deployed on the loading and unloading side of the annealing furnace, and a mechanical clamp is installed below the trolley. A variable-pitch component is placed between the trolley and the clamp, which allows the mechanical clamp to adjust the movement of the workpiece along the conveyor line within a small range when placing or removing the workpiece from the conveyor line, thus completing the stable handling of workpiece loading and unloading on the conveyor line. Utility Model Content

[0004] 1. Technical problem solved by the utility model:

[0005] This invention provides an annealing furnace that facilitates material loading and unloading, solving the technical problem of inconvenient loading and unloading operations for large-sized workpieces in existing equipment.

[0006] 2. Technical Solution:

[0007] To achieve the above objectives, the technical solution provided by this utility model is: an annealing furnace that facilitates material feeding and discharging, comprising the following structure:

[0008] A tunnel furnace is provided with a conveyor line fixed from the front end to the rear end. A gantry frame is provided on the outer side of both the front and rear ends of the conveyor line. Guide rails are fixed on the front and rear sides of the top of the gantry frame. A toothed rail is fixed at the bottom of the front end of the guide rail located on the rear side of the top of the gantry frame.

[0009] A trolley, wherein a mounting base is fixedly provided at the bottom of the trolley, and a connecting shaft is movably sleeved at the middle of the bottom end of the mounting base, the diameter of the connecting shaft being smaller than the inner diameter of the assembly hole through which the mounting base and the connecting shaft are sleeved.

[0010] Furthermore, each of the four corners of the trolley is movably connected to a rotating shaft, and wheels are fixedly mounted on the outer sides of each of the four rotating shafts. The outer sides of the wheels located on the front and rear sides of the trolley are slidably connected to the opposite sides of the two guide rails, respectively. A drive motor and a flat gear are fixedly mounted on the front and middle parts of the rotating shaft located on the rear left side of the trolley, respectively. The outer side of the drive motor is fixedly connected to the bottom of the trolley, and the bottom of the flat gear meshes with the top of the gear rail.

[0011] Furthermore, four damping rubber sleeves are fixed at equal intervals on the outer side of the inner wall of the mounting base, and multiple limiting springs are snapped into the inner side of the damping rubber sleeves.

[0012] Furthermore, a movable frame is snapped onto the top of the connecting shaft, the bottom of the movable frame is slidably connected to the bottom of the inner wall of the mounting base, and the four corners of the movable frame are snapped onto the outer sides of four damping rubber sleeves respectively.

[0013] Furthermore, a connecting seat is fixedly provided at the bottom of the connecting shaft, and lifting cylinders are fixedly provided on both the left and right sides of the bottom of the connecting seat, and guide slides are fixedly provided at the four corners of the bottom of the connecting seat.

[0014] Furthermore, the bottom output ends of the two lifting cylinders are fixedly connected to the left and right ends of the auxiliary frame, respectively. Guide rods are fixed at the four corners of the auxiliary frame, and the outer sides of the four guide rods are slidably sleeved with the middle of the four guide slides. Double-headed cylinders are fixed on the left and right sides of the bottom of the auxiliary frame, and grippers are fixed on the front and rear output ends of the double-headed cylinders.

[0015] 3. Beneficial effects:

[0016] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0017] This utility model provides an annealing furnace that facilitates feeding and discharging. When the gripper picks up and places a workpiece on the conveyor line, the gripper and the workpiece are affected by the operation of the conveyor line. The workpiece and the gripper are pushed by the conveyor line from the feeding direction to the feeding direction. At this time, the connecting shaft and the moving frame are offset on the mounting seat through the damping rubber sleeve and the limit spring. During the offset process, the double-headed cylinder drives the gripper to release or grab the workpiece on the conveyor line, avoiding scratching and wear between the workpiece and the conveyor line, and completing the stable picking and placing operation of the workpiece on the conveyor line.

[0018] The parts of the device not covered herein are the same as or can be implemented using existing technologies. Attached Figure Description

[0019] Figure 1 This is a perspective view of the structure of this utility model;

[0020] Figure 2 This is a half-sectional perspective view of the gantry structure of this utility model;

[0021] Figure 3 This is a utility model Figure 2 Enlarged view of the structure at point A in the middle;

[0022] Figure 4 This is a half-sectional perspective view of the mounting base structure of this utility model;

[0023] Figure 5 This is a utility model Figure 4 Enlarged view of the structure at point B;

[0024] Figure 6 This is a perspective view of the mounting base structure of this utility model.

[0025] Figure label:

[0026] 1-Tunnel furnace; 11-Conveyor line;

[0027] 2-Gantry frame; 21-Guide rail; 22-Gear rail;

[0028] 3-Pulley; 31-Shaft; 32-Wheel; 33-Drive motor; 34-Side gear;

[0029] 4-Mounting base; 41-Damping rubber sleeve; 42-Limit spring;

[0030] 5-Connecting shaft; 51-Moving frame;

[0031] 6-Connecting seat; 61-Lifting cylinder; 62-Guide slide;

[0032] 7-Auxiliary frame; 71-Guide rod; 72-Double-headed cylinder; 73-Gripper. Detailed Implementation

[0033] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the utility model will be more thorough and complete.

[0034] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element; the terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein in the description of this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention; the term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0036] See attached document Figure 1-6 This utility model provides an annealing furnace that facilitates material feeding and discharging, comprising the following structure:

[0037] The tunnel furnace 1 has a conveyor line 11 fixed from the front end to the rear end. The front and rear outer sides of the conveyor line 11 are equipped with a gantry frame 2. The front and rear sides of the top of the gantry frame 2 are both fixed with guide rails 21. The bottom of the front end of the guide rail 21 located on the rear side of the top of the gantry frame 2 is fixed with a toothed rail 22.

[0038] The slide 3 has a mounting base 4 fixedly installed at its bottom. A connecting shaft 5 is movably sleeved at the bottom center of the mounting base 4. The diameter of the connecting shaft 5 is smaller than the inner diameter of the assembly hole where the mounting base 4 and the connecting shaft 5 are sleeved.

[0039] In this embodiment, a rotating shaft 31 is movably connected to each of the four corners of the trolley 3. A wheel 32 is fixedly mounted on the outer side of each of the four rotating shafts 31. The outer sides of the wheels 32 located on the front and rear sides of the trolley 3 are slidably connected to the opposite sides of the two guide rails 21. A drive motor 33 and a flat gear 34 are fixedly mounted on the front and middle parts of the rotating shaft 31 located on the rear left side of the trolley 3, respectively. The outer side of the drive motor 33 is fixedly connected to the bottom of the trolley 3, and the bottom of the flat gear 34 meshes with the top of the gear rail 22.

[0040] The drive motor 33 drives the spur gear 34 and the wheel 32 to rotate through the connecting shaft 5. The rotation of the spur gear 34 on the gear rail 22 completes the left and right movement of the trolley 3 between the two guide rails 21, and completes the working position movement of the gripper 73. The worker uses a trolley to send the workpiece that needs to be returned to the bottom of the gantry frame 2, so that the gripper 73 can send the workpiece under the gantry frame 2 to the conveyor line 11, or send the workpiece that has been annealed on the conveyor line 11 to the bottom of the gantry frame 2, thus completing the feeding and unloading operation of the tunnel furnace 1.

[0041] In this embodiment, four damping rubber sleeves 41 are fixed at equal intervals on the outer side of the inner wall of the mounting base 4, and multiple limiting springs 42 are snapped into the inner side of the damping rubber sleeves 41.

[0042] The damping rubber sleeve 41 cooperates with the limiting spring 42. The diameter of the connecting shaft 5 is smaller than the inner diameter of the assembly hole where the mounting base 4 and the connecting shaft 5 are fitted together. This completes the offset reset design of the moving frame 51 in the mounting base 4. When the connecting shaft 5 is pulled by an external force in the horizontal direction, the limiting spring 42 and the damping rubber sleeve 41 are compressed in the sliding direction of the moving frame 51 and stretched in the sliding direction of the moving frame 51. When the connecting shaft 5 is not pulled in the horizontal direction, the damping rubber sleeve 41 and the limiting spring 42 cooperate to reset the connecting shaft 5. At this time, the center of the connecting shaft 5 and the center of the mounting base 4 are kept in the same axial direction.

[0043] In this embodiment, a movable frame 51 is snapped onto the top of the connecting shaft 5, and the bottom of the movable frame 51 is slidably connected to the bottom of the inner wall of the mounting base 4. The four corners of the movable frame 51 are snapped onto the outer sides of four damping rubber sleeves 41 respectively. A connecting seat 6 is fixedly provided at the bottom of the connecting shaft 5. Lifting cylinders 61 are fixedly provided on both the left and right sides of the bottom of the connecting seat 6. Guide slides 62 are fixedly provided at the four corners of the bottom of the connecting seat 6.

[0044] The movable frame 51 is assembled in the mounting base 4 via a damping rubber sleeve 41. The damping rubber sleeve 41 cooperates with the limit spring 42 to complete the offset reset design of the movable frame 51 and the connecting shaft 5. The connecting shaft 5 cooperates with the connecting base 6 to complete the lifting cylinder 61 to change the working height of the auxiliary frame 7 below the connecting base 6, so that the gripper 73 can pick up the workpiece from the ground below the gantry 2 and send it to the conveyor line 11 or transfer the workpiece on the conveyor line 11 to the ground below the gantry 2.

[0045] In this embodiment, the bottom output ends of the two lifting cylinders 61 are fixedly connected to the left and right ends of the auxiliary frame 7, respectively. Guide rods 71 ​​are fixedly provided at the four corners of the auxiliary frame 7. The outer sides of the four guide rods 71 ​​are slidably sleeved with the middle of the four guide slides 62, respectively. Double-headed cylinders 72 are fixedly provided on the left and right sides of the bottom of the auxiliary frame 7, and grippers 73 are fixedly provided on the front and rear output ends of the double-headed cylinders 72.

[0046] The lifting cylinder 61 changes the working height of the auxiliary frame 7 below the connecting seat 6. The guide rod 71 cooperates with the guide slide 62 to improve the lifting stability of the auxiliary frame 7. The double-headed cylinder 72 and the gripper 73 cooperate to complete the gripping and processing of workpieces on the ground below the gantry 2 or on the conveyor line 11.

[0047] Detailed operating procedures:

[0048] The drive motor 33 drives the spur gear 34 and the wheel 32 to rotate through the connecting shaft 5. The rotation of the spur gear 34 on the gear rail 22 completes the left and right movement of the trolley 3 between the two guide rails 21. The lifting cylinder 61 changes the working height of the auxiliary frame 7 under the connecting seat 6. The guide rod 71 cooperates with the guide slide 62 to improve the lifting stability of the auxiliary frame 7. The double-headed cylinder 72 and the gripper 73 cooperate to complete the gripping and processing of the workpiece on the ground below the gantry 2 or the workpiece on the conveyor line 11.

[0049] When the gripper 73 picks up and places a workpiece on the conveyor line 11, the gripper 73 and the workpiece are affected by the operation of the conveyor line 11. The workpiece and the gripper 73 are pushed from the feeding direction to the feeding direction by the conveyor line 11. At this time, the connecting shaft 5 and the moving frame 51 are offset on the mounting base 4 through the damping rubber sleeve 41 and the limit spring 42. During the offset process, the double-headed cylinder 72 drives the gripper 73 to release or grab the workpiece on the conveyor line 11, so as to avoid the workpiece and the conveyor line 11 from scratching and wear, and complete the stable picking and placing operation of the workpiece on the conveyor line 11.

[0050] The above-described embodiments are merely illustrative of certain implementations of this utility model, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. An annealing furnace that facilitates material feeding and discharging, characterized in that: Includes the following structure: A tunnel furnace (1) is provided with a conveyor line (11) fixed from the front end to the rear end. A gantry frame (2) is provided on the outer side of the front and rear ends of the conveyor line (11). A guide rail (21) is fixed on the front and rear sides of the top of the gantry frame (2). A toothed rail (22) is fixed at the bottom of the front end of the guide rail (21) located on the rear side of the top of the gantry frame (2). The trolley (3) has a mounting seat (4) fixedly installed at its bottom. A connecting shaft (5) is movably sleeved at the middle of the bottom end of the mounting seat (4). The diameter of the connecting shaft (5) is smaller than the inner diameter of the assembly hole where the mounting seat (4) and the connecting shaft (5) are sleeved.

2. The annealing furnace for easy feeding and discharging according to claim 1, characterized in that: The trolley (3) is movably connected to the four corners of each of the four corner shafts (31). Wheels (32) are fixed on the outer side of each of the four corner shafts (31). The outer side of the wheels (32) located on the front and rear sides of the trolley (3) is slidably connected to the opposite side of the two guide rails (21). The front end and middle part of the corner shaft (31) located on the rear left side of the trolley (3) are respectively fixed with a drive motor (33) and a flat gear (34). The outer side of the drive motor (33) is fixedly connected to the bottom of the trolley (3). The bottom of the flat gear (34) meshes with the top of the gear rail (22).

3. The annealing furnace for easy feeding and discharging according to claim 1, characterized in that: Four damping rubber sleeves (41) are fixed at equal intervals on the outer side of the inner wall of the mounting base (4), and multiple limiting springs (42) are snapped into the inner side of the damping rubber sleeves (41).

4. The annealing furnace for easy feeding and discharging according to claim 1, characterized in that: The top of the connecting shaft (5) is fitted with a movable frame (51), the bottom of the movable frame (51) is slidably connected to the bottom of the inner wall of the mounting base (4), and the four corners of the movable frame (51) are respectively fitted with the outer sides of four damping rubber sleeves (41).

5. The annealing furnace for easy feeding and discharging according to claim 1, characterized in that: The bottom of the connecting shaft (5) is fixed with a connecting seat (6), and the bottom left and right sides of the connecting seat (6) are fixed with lifting cylinders (61), and the four corners of the bottom of the connecting seat (6) are fixed with guide slides (62).

6. The annealing furnace for easy feeding and discharging according to claim 5, characterized in that: The bottom output ends of the two lifting cylinders (61) are fixedly connected to the left and right ends of the auxiliary frame (7), and guide rods (71) are fixedly provided at the four corners of the auxiliary frame (7). The outer sides of the four guide rods (71) are slidably sleeved with the middle of the four guide slides (62). Double-headed cylinders (72) are fixedly provided on the left and right sides of the bottom of the auxiliary frame (7), and grippers (73) are fixedly provided on the front and rear output ends of the double-headed cylinders (72).

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