Opening and closing execution mechanism for furnace door of slewing bearing tempering furnace

Abstract

The utility model discloses an opening and closing actuating mechanism for a furnace door of a slewing bearing tempering furnace, and belongs to the technical field of tempering doors. The opening and closing executing mechanism of the slewing bearing tempering furnace door comprises a metal tempering door, furnace body door frames are arranged on the two sides of the metal tempering door, linkage track rods are arranged at the two ends of each furnace body door frame and are in sliding connection with the furnace body door frames, and a hydraulic push rod is arranged in the middle section of each furnace body door frame and is connected with the corresponding linkage track rod in a sliding mode. The hydraulic push rod is connected with the furnace body door frame through bolts. In order to solve the problems that a traditional lifting furnace door and an outward opening type tempering door structure have certain requirements for a working space, and certain potential safety hazards still exist when the outward opening type tempering door is turned over outwards, in the moving process of the metal tempering door, the metal tempering door can be turned over and unfolded inwards, and the metal tempering door cannot be turned over and unfolded inwards. The metal tempering door and the feeding track of the trolley tempering furnace are located in the same direction and do not occupy extra space, and potential safety hazards can be reduced by turning over the metal tempering door inwards.

Description

Technical Field

[0001] The utility model relates to the technical field of tempering doors, in particular to a switch actuator for a slewing bearing tempering furnace door. Background Art

[0002] The trolley-type tempering furnace, whose full name is the all-fiber large trolley-type tempering furnace, is a tempering furnace mainly used for heat treatment of general large and medium-sized metal or alloy parts at rated temperature;

[0003] The lifting and lowering of the existing furnace door is achieved by rolling the roller up and down on the guide rail, and is sealed with an advanced spring clamping device. This ensures the fit and seal between the furnace door fiber and the furnace body fiber when closing, and ensures that the fiber will not be damaged by friction during the opening and closing process.

[0004] The traditional lifting furnace door and outward-opening tempering door structures have certain requirements for the working space, and the outward-opening tempering door also has certain safety hazards when it is flipped outward. Utility Model Content

[0005] The purpose of the utility model is to provide a switch actuator for a slewing bearing tempering furnace door. During the movement of the metal tempering door, the metal tempering door will flip inward and unfold. The metal tempering door and the feeding track of the trolley tempering furnace are in the same direction and will not occupy additional space. The inward flipping can reduce safety hazards and solve the problems in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a switch actuator for a slewing bearing tempering furnace door, comprising a metal tempering door, furnace door frames are arranged on both sides of the metal tempering door, linkage track rods are arranged at both ends of the furnace door frame, the linkage track rods are slidably connected to the furnace door frame, a hydraulic push rod is arranged in the middle section of the furnace door frame, the hydraulic push rod is connected to the furnace door frame by bolts, an upper inner support frame is arranged on the inner side of the metal tempering door, a lower inner support frame is arranged below the upper inner support frame, and the lower inner support frame and the upper inner support frame are connected to the metal tempering door by bolts.

[0007] Preferably, an adjustment shaft is provided at one end of the linkage track rod, a positioning hole is provided on the outer surface of the linkage track rod, and the linkage track rod is connected to the adjustment shaft through the positioning hole.

[0008] Preferably, one end of the lower inner support frame and the upper inner support frame are both provided with a flip door shaft, and the flip door shaft is welded to the lower inner support frame and the upper inner support frame.

[0009] Preferably, an upper bearing seat is provided at the top of the flip door shaft, and a lower bearing seat is provided at the bottom of the flip door shaft. The lower bearing seat and the upper bearing seat are respectively connected to the adjustment card shaft, and the flip door shaft is rotatably connected to the upper bearing seat and the lower bearing seat.

[0010] Preferably, a limiting slide groove is provided inside the upper inner support frame, a traction arm is provided inside the limiting slide groove, one end of the traction arm is slidably connected to the inner support frame through the limiting slide groove, and the other end of the traction arm is rotatably connected to the furnace door frame.

[0011] Preferably, the surface of the lower bearing seat is provided with an arc-shaped shaft groove, and a limit pin is provided inside the arc-shaped shaft groove, and the limit pin is connected to the lower inner support frame through a slot.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, when the metal tempering door needs to be unfolded, the linkage track rod extends outward, and the metal tempering door moves along with the movement of the linkage track rod. During the movement of the metal tempering door, the metal tempering door flips inward and unfolds. The metal tempering door and the feeding track of the trolley tempering furnace are in the same direction and do not occupy additional space. The inward flipping can reduce safety hazards.

[0014] 2. In the utility model, when the metal tempering door moves outward, the traction arm slides from the inside to the outside along the inner support frame. When the traction arm slides to the maximum limit, the metal tempering door continues to move. At this time, the metal tempering door is flipped inward and unfolded under the pull of the traction arm. Conversely, when the metal tempering door moves inward, the traction arm slides from the outside to the inside, and finally the metal tempering door is flipped outward and closed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the overall front view of the utility model;

[0016] Figure 2 It is an overall side view of the utility model;

[0017] Figure 3 This is a schematic diagram of the inner structure of the metal tempering door of the utility model;

[0018] Figure 4 for Figure 3 A is an enlarged structural diagram of FIG.

[0019] In the figure: 1. metal tempering door; 2. furnace door frame; 3. linkage track rod; 101. upper inner support frame; 102. lower inner support frame; 103. flip door shaft; 1011. limit slide groove; 1012. traction arm; 1021. limit latch; 1031. upper bearing seat; 1032. lower bearing seat; 1033. arc shaft groove; 201. hydraulic push rod; 301. adjustment clamp shaft; 302. positioning hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In order to solve the problem that the traditional lifting furnace door and the outward-opening tempering door structure have certain requirements for the working space, the outward-opening tempering door has certain safety hazards when it is turned outward; please refer to Figure 1-4 , the utility model provides the following solutions:

[0022] A switch actuator for a slewing bearing tempering furnace door, comprising a metal tempering door 1, furnace door frames 2 are arranged on both sides of the metal tempering door 1, linkage track rods 3 are arranged at both ends of the furnace door frame 2, the linkage track rods 3 are slidably connected with the furnace door frame 2, a hydraulic push rod 201 is arranged in the middle section of the furnace door frame 2, the hydraulic push rod 201 is connected with the furnace door frame 2 by bolts, an upper inner support frame 101 is arranged on the inner side of the metal tempering door 1, and a lower inner support frame 101 is arranged below the upper inner support frame 101 02, the lower inner support frame 102 and the upper inner support frame 101 are connected to the metal tempering door 1 by bolts, one end of the linkage track rod 3 is provided with an adjustment card shaft 301, the outer surface of the linkage track rod 3 is provided with a positioning hole 302, the linkage track rod 3 is connected to the adjustment card shaft 301 through the positioning hole 302, one end of the lower inner support frame 102 and the upper inner support frame 101 are provided with a flip door shaft 103, and the flip door shaft 103 is welded to the lower inner support frame 102 and the upper inner support frame 101;

[0023] In this embodiment, the furnace door frame 2 and the table-type tempering furnace are installed and fixed by means of a hydraulic push rod 201. The metal tempering door 1 is fitted with the furnace door frame 2 in a closed state to complete the closing operation of the tempering furnace. When the metal tempering door 1 needs to be unfolded, the linkage track rod 3 extends outward, and the metal tempering door 1 moves along with the movement of the linkage track rod 3. During the movement of the metal tempering door 1, the metal tempering door 1 will be turned inward to unfold. The metal tempering door 1 and the feeding track of the trolley tempering furnace are in the same direction and will not occupy additional space. Moreover, turning inward can reduce safety hazards.

[0024] An upper bearing seat 1031 is arranged at the top of the flip door shaft 103, and a lower bearing seat 1032 is arranged at the bottom of the flip door shaft 103. The lower bearing seat 1032 and the upper bearing seat 1031 are respectively connected to the adjustment card shaft 301, and the flip door shaft 103 is rotatably connected with the upper bearing seat 1031 and the lower bearing seat 1032. A limiting slide groove 1011 is arranged inside the upper inner support frame 101, and a traction arm 1012 is arranged inside the limiting slide groove 1011. One end of the traction arm 1012 is slidably connected with the inner support frame through the limiting slide groove 1011, and the other end of the traction arm 1012 is rotatably connected with the furnace door frame 2. An arc-shaped shaft groove 1033 is arranged on the surface of the lower bearing seat 1032, and a limiting latch 1021 is arranged inside the arc-shaped shaft groove 1033. The limiting latch 1021 is connected with the lower inner support frame 102 through a card groove;

[0025] In this embodiment, when the metal tempering door 1 moves outward, the traction arm 1012 slides from the inside to the outside along the upper inner support frame 101. When the traction arm 1012 slides to the maximum limit, the metal tempering door 1 continues to move. At this time, the metal tempering door 1 is flipped inward and unfolded under the pull of the traction arm 1012. Conversely, when the metal tempering door 1 moves inward, the traction arm 1012 slides from the outside to the inside, and finally the metal tempering door 1 is flipped outward and closed.

[0026] Working principle: The furnace door frame 2 and the desktop tempering furnace are installed and fixed with the help of the hydraulic push rod 201. The metal tempering door 1 is in close state and fits with the furnace door frame 2 to complete the closing operation of the tempering furnace. When the metal tempering door 1 needs to be unfolded, the linkage track rod 3 extends outward, and the metal tempering door 1 moves along with the movement of the linkage track rod 3. During the movement of the metal tempering door 1, the metal tempering door 1 will flip inward and unfold. The metal tempering door 1 and the feeding track of the trolley tempering furnace are in the same direction and will not occupy additional space. Flipping inward can reduce safety hazards.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A switch actuator for a slewing bearing tempering furnace door, comprising a metal tempering door (1), characterized in that: Furnace door frames (2) are arranged on both sides of the metal tempering door (1), linkage track rods (3) are arranged at both ends of the furnace door frame (2), the linkage track rods (3) are slidably connected to the furnace door frame (2), a hydraulic push rod (201) is arranged in the middle section of the furnace door frame (2), the hydraulic push rod (201) is connected to the furnace door frame (2) by bolts, an upper inner support frame (101) is arranged on the inner side of the metal tempering door (1), a lower inner support frame (102) is arranged below the upper inner support frame (101), and the lower inner support frame (102) and the upper inner support frame (101) are connected to the metal tempering door (1) by bolts.

2. The switch actuator of the slewing bearing tempering furnace door according to claim 1, characterized in that: One end of the linkage track rod (3) is provided with an adjustment clamping shaft (301), the outer surface of the linkage track rod (3) is provided with a positioning hole (302), and the linkage track rod (3) is connected to the adjustment clamping shaft (301) via the positioning hole (302).

3. The switch actuator of the slewing bearing tempering furnace door according to claim 2, characterized in that: One end of the lower inner support frame (102) and the upper inner support frame (101) are both provided with a flip door shaft (103), and the flip door shaft (103) is welded to the lower inner support frame (102) and the upper inner support frame (101).

4. The switch actuator of the slewing bearing tempering furnace door according to claim 3 is characterized in that: An upper support seat (1031) is arranged at the top of the flip door shaft (103), and a lower support seat (1032) is arranged at the bottom of the flip door shaft (103). The lower support seat (1032) and the upper support seat (1031) are respectively connected to the adjustment clamping shaft (301), and the flip door shaft (103) is rotatably connected to the upper support seat (1031) and the lower support seat (1032).

5. The switch actuator of the slewing bearing tempering furnace door according to claim 4, characterized in that: A limiting slide groove (1011) is arranged inside the upper inner support frame (101), and a traction arm (1012) is arranged inside the limiting slide groove (1011); one end of the traction arm (1012) is slidably connected to the inner support frame via the limiting slide groove (1011), and the other end of the traction arm (1012) is rotatably connected to the furnace door frame (2).

6. The switch actuator of the slewing bearing tempering furnace door according to claim 5, characterized in that: The surface of the lower support seat (1032) is provided with an arc-shaped shaft groove (1033), and a limit pin (1021) is provided inside the arc-shaped shaft groove (1033). The limit pin (1021) is connected to the lower inner support frame (102) through a slot.

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