Vertical vacuum brazing furnace

Abstract

The utility model relates to the technical field of vacuum brazing furnaces, and discloses a vertical vacuum brazing furnace which comprises a furnace body and a heater set, the heater set is assembled at the bottom of the furnace body, a box door is connected with the furnace body through a hinge, a bearing mechanism is arranged in the furnace body in a sliding mode and comprises a bearing plate, and a push-pull mechanism is embedded in the front face of the bearing plate. A connecting arm is slidably connected to the interior of the bearing plate, an inclined rod is connected to the exterior of the connecting arm through a hinge, and a T-shaped arm is connected to the other end of the inclined rod through a hinge. According to the vertical vacuum brazing furnace, the situation that a bearing mechanism is inconvenient to pull out from the interior of the furnace body due to high temperature generated during machining of the furnace body is avoided, meanwhile, the bearing mechanism is automatically driven to drive a pull plate to pop out from the interior of a heat insulation box through an additionally-arranged pushing mechanism according to the opening and closing state of a box door, and then the overall intelligence of the device is improved; the discharging speed of the device is greatly improved, and the service life of the whole pulling plate is prolonged through heat insulation.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum brazing furnaces, in particular to a vertical vacuum brazing furnace. Background Art

[0002] Vertical vacuum brazing furnace is a vacuum furnace equipment, mainly suitable for vacuum brazing and heat treatment of metal materials. It mainly prevents the oxidation of materials at high temperatures through vacuum environment, and is particularly suitable for materials with high welding quality requirements or easily oxidized, such as stainless steel, titanium alloy, hard alloy, etc. The maximum furnace temperature of this equipment can reach 1200℃, which can provide high-quality welding and heat treatment effects.

[0003] In the existing device, after the workpiece is processed inside the vertical vacuum brazing furnace, the partition needs to be pulled out, and then the workpiece is taken out from the inside of the vertical vacuum brazing furnace. However, when the partition is stored in the vertical vacuum brazing furnace for a long time, it may cause the external temperature to be too high, which makes it inconvenient to pull the partition out of the vertical vacuum brazing furnace, thereby reducing the material removal speed of the vertical vacuum brazing furnace. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a vertical vacuum brazing furnace to solve the technical problem that when the partition is stored in the vertical vacuum brazing furnace for a long time, the external temperature may be too high, which in turn makes it inconvenient to withdraw the partition from the vertical vacuum brazing furnace, thereby reducing the material removal speed of the vertical vacuum brazing furnace.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vertical vacuum brazing furnace, comprising: a furnace body, a heater group, a box door and a load-bearing mechanism, the heater group is assembled at the bottom of the furnace body, the box door is connected to the furnace body by a hinge, the load-bearing mechanism is slidably arranged inside the furnace body, the load-bearing mechanism comprises a load-bearing plate, a push-pull mechanism is embedded in the front of the load-bearing plate, a connecting arm is slidably connected inside the load-bearing plate, the outside of the connecting arm is connected to an inclined rod by a hinge, and the other end of the inclined rod is connected to a T-shaped arm by a hinge.

[0008] The push-pull mechanism comprises a heat-insulating box, which is embedded in the load-bearing plate. A pull plate is slidably connected to the inside of the heat-insulating box, and the pull plate is connected to the connecting arm.

[0009] The furnace body is equipped with a pushing mechanism inside, and the pushing mechanism includes a bent pipe, which is connected to the furnace body, and the second piston rod and the first piston rod are slidably connected at both ends inside the bent pipe, and the bent pipe is connected to a perforated plate inside, and a second spring is connected between the perforated plate and the second piston rod.

[0010] Preferably, fans are evenly distributed on the inner back side of the furnace body, and protective covers are installed on the outside of the fans, so that the fans increase the temperature uniformity inside the furnace body.

[0011] Preferably, both ends of the load-bearing plate are connected with track blocks, the outside of the track block is slidably connected with a slide rail block, the slide rail block is connected to the furnace body, and the track block cooperates with the slide rail block to guide the load-bearing plate to perform linear motion.

[0012] Preferably, a T-shaped groove is provided inside the load-bearing plate, and the T-shaped groove is slidably connected to the T-shaped arm and the connecting arm, and the T-shaped groove can guide the T-shaped arm to perform linear motion.

[0013] Preferably, the inner top of the insulation box is connected to a sealing plate via a hinge, and a first spring is connected between the sealing plate and the insulation box. The sealing plate can seal the insulation box and then insulate the pull plate.

[0014] Preferably, guide plates are embedded inside the first piston rod and the perforated plate, and the guide plates are slidably connected to the bent pipe. The guide plates can increase the movement stability of the first piston rod and the second piston rod.

[0015] Preferably, a snap-on group is evenly distributed between the first piston rod and the T-shaped arm, and the snap-on group includes a first snap-on and a second snap-on, and the first snap-on and the second snap-on are respectively connected to the outside of the first piston rod and the T-shaped arm. The snap-on group can connect the first piston rod with the T-shaped arm, and then the first piston rod drives the T-shaped arm to move.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a vertical vacuum brazing furnace, which has the following beneficial effects:

[0018] In the vertical vacuum brazing furnace, after the heat treatment of the workpiece is completed, a hidden pull plate is added to facilitate the extraction of the workpiece and the load-bearing mechanism from the interior of the furnace body for the next processing, thereby preventing the high temperature generated by the furnace body during processing from causing the load-bearing mechanism to be inconvenient to extract from the interior of the furnace body. At the same time, through the added pushing mechanism, the load-bearing mechanism is automatically driven to drive the pull plate to pop out from the interior of the heat insulation box according to the switch state of the box door, thereby improving the overall intelligence of the device, greatly improving the discharge speed of the device, and increasing the overall service life of the pull plate through heat insulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front schematic diagram of the utility model;

[0020] Figure 2 It is a partial schematic diagram of the utility model;

[0021] Figure 3 This is a front view schematic diagram of the load-bearing mechanism of the utility model;

[0022] Figure 4 This is a top cross-sectional view of the load-bearing mechanism of the utility model;

[0023] Figure 5 It is a partial cross-sectional view of the push-pull mechanism of the utility model;

[0024] Figure 6 This is a top cross-sectional view of the push mechanism of the utility model;

[0025] Figure 7 This is a schematic diagram of the connection between the first piston rod and the T-shaped arm of the utility model;

[0026] In the figure: 1. furnace body; 11. fan; 2. heater group; 3. box door; 4. load-bearing mechanism; 41. load-bearing plate; 42. track block; 43. slide rail block; 44. connecting arm; 45. inclined rod; 46. T-shaped arm; 47. T-shaped slot; 5. push-pull mechanism; 51. heat insulation box; 52. pull plate; 53. sealing plate; 54. first spring; 6. pushing mechanism; 61. bent pipe; 62. first piston rod; 63. guide plate; 64. second piston rod; 65. perforated plate; 66. second spring; 67. concealed buckle group. DETAILED DESCRIPTION

[0027] 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.

[0028] The utility model provides a technical solution, please refer to Figure 1 and Figure 2A vertical vacuum brazing furnace comprises: a furnace body 1, a heater group 2, a box door 3 and a load-bearing mechanism 4. This scheme is a structural improvement on the non-electronic component part based on the vertical vacuum brazing furnace in the prior art, wherein the furnace body 1, the heater group 2, the box door 3 and the load-bearing mechanism 4 are common vertical vacuum brazing furnace products that have been promoted in the prior art. The furnace body 1 can perform heat processing on the workpiece, the heater group 2 can control the temperature inside the furnace body 1, the box door 3 can seal the furnace body 1, the load-bearing mechanism 4 can bear the workpiece, fans 11 are evenly arranged on the inner back side of the furnace body 1, and a protective cover is installed on the outside of the fan 11. The fan 11 increases the temperature uniformity inside the furnace body 1, the heater group 2 is installed at the bottom of the furnace body 1, the box door 3 is connected to the furnace body 1 through a hinge, and the load-bearing mechanism 4 is slidably arranged inside the furnace body 1.

[0029] See also Figure 3 and Figure 4 The load-bearing mechanism 4 includes a load-bearing plate 41, which can bear the workpiece. A push-pull mechanism 5 is embedded on the front of the load-bearing plate 41. The load-bearing plate 41 is internally slidably connected to a connecting arm 44, which can drive the pulling plate 52 to move. The outside of the connecting arm 44 is connected to an inclined rod 45 through a hinge, which can drive the connecting arm 44 to transmit, and the other end of the inclined rod 45 is connected to a T-shaped arm 46 through a hinge. Both ends of the load-bearing plate 41 are connected to track blocks 42, and the outside of the track block 42 is slidably connected to a slide block 43, which is connected to the furnace body 1. The track block 42 cooperates with the slide block 43 to guide the load-bearing plate 41 for linear motion. A T-slot 47 is provided inside the load-bearing plate 41, and the T-slot 47 is slidably connected to the T-arm 46 and the connecting arm 44, and the T-slot 47 can guide the T-arm 46 for linear motion.

[0030] See also Figure 5 and Figure 6 The push-pull mechanism 5 includes a heat insulation box 51, which can insulate the pulling plate 52. The heat insulation box 51 is embedded in the load-bearing plate 41. The pulling plate 52 is slidably connected to the inside of the heat insulation box 51. The pulling plate 52 can facilitate the loading of the load-bearing plate 41, and the pulling plate 52 is connected to the connecting arm 44. The inner top of the heat insulation box 51 is connected to a sealing plate 53 through a hinge. The sealing plate 53 can close the heat insulation box 51. A first spring 54 is connected between the sealing plate 53 and the heat insulation box 51. The first spring 54 can drive the sealing plate 53 to return to its original position after movement, and the bottom of the sealing plate 53 is designed with rounded corners for easy rotation inside the heat insulation box 51. The sealing plate 53 can close the heat insulation box 51 and then insulate the pulling plate 52.

[0031] See also Figure 7The furnace body 1 is equipped with a pushing mechanism 6 inside. The pushing mechanism 6 includes a curved tube 61. The curved tube 61 can guide the second piston rod 64 and the first piston rod 62. The curved tube 61 is connected to the furnace body 1. The second piston rod 64 and the first piston rod 62 are slidably connected at both ends inside the curved tube 61. The movement of the second piston rod 64 inside the curved tube 61 can generate pressure, and the first piston rod 62 is driven to move by the pressure. The curved tube 61 is connected to a perforated plate 65 inside. A second spring 66 is connected between the perforated plate 65 and the second piston rod 64. The second spring 66 can drive the second piston rod 64 to return after movement. The first piston rod 62 and the perforated plate 65 are connected to each other. A guide plate 63 is embedded inside, and the guide plate 63 is slidably connected to the curved pipe 61. The guide plate 63 can increase the movement stability of the first piston rod 62 and the second piston rod 64. A snap-on group 67 is evenly distributed between the first piston rod 62 and the T-shaped arm 46. The snap-on group 67 includes a first snap-on and a second snap-on. The first snap-on and the second snap-on are respectively connected to the outside of the first piston rod 62 and the T-shaped arm 46. The snap-on group 67 can connect the first piston rod 62 with the T-shaped arm 46, and then the first piston rod 62 drives the T-shaped arm 46 to move. The curved pipe 61, the insulation box 51 and the sealing plate 53 are all made of insulation materials, which can prevent the temperature inside the furnace body 1 from affecting the transmission workpiece.

[0032] In this solution, the workpiece is placed on the top of the load-bearing mechanism 4, the furnace body 1 is closed by the door 3, and the heater group 2 and the fan 11 are started to perform heat treatment on the workpiece;

[0033] After the workpiece is processed, the box door 3 is opened. At this time, the second piston rod 64 is released from the box door 3 and returns to its original position through the second spring 66, thereby generating negative pressure. The negative pressure drives the first piston rod 62 to move, and then pulls the T-shaped arm 46 to move, thereby pushing the connecting arm 44 to move, pushing the pull plate 52 out from the inside of the insulation box 51, and then facilitating the pull plate 52 to pull out the load-bearing plate 41.

[0034] After the workpiece has been heat treated, a hidden pull plate 52 is added to facilitate the extraction of the workpiece and the load-bearing mechanism 4 from the interior of the furnace body 1 for the next step of processing, thereby preventing the high temperature generated by the furnace body 1 during processing from causing the load-bearing mechanism 4 to be inconvenient to extract from the interior of the furnace body 1. At the same time, through the added pushing mechanism 6, according to the opening and closing status of the box door 3, the load-bearing mechanism 4 is automatically driven to drive the pull plate 52 to pop out from the interior of the insulation box 51, thereby improving the overall intelligence of the device, greatly improving the discharge speed of the device, and increasing the overall service life of the pull plate 52 through insulation.

[0035] 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.

[0036] 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 vertical vacuum brazing furnace, comprising: A furnace body (1), a heater group (2), a box door (3) and a load-bearing mechanism (4), wherein the heater group (2) is mounted on the bottom of the furnace body (1), the box door (3) is connected to the furnace body (1) via a hinge, and the load-bearing mechanism (4) is slidably arranged inside the furnace body (1), characterized in that: the load-bearing mechanism (4) comprises a load-bearing plate (41), a push-pull mechanism (5) is embedded on the front of the load-bearing plate (41), a connecting arm (44) is slidably connected inside the load-bearing plate (41), an oblique rod (45) is connected to the outside of the connecting arm (44) via a hinge, and the other end of the oblique rod (45) is connected to a T-shaped arm (46) via a hinge; The push-pull mechanism (5) comprises a heat-insulating box (51), the heat-insulating box (51) is embedded in the interior of the load-bearing plate (41), a pull plate (52) is slidably connected to the interior of the heat-insulating box (51), and the pull plate (52) is connected to the connecting arm (44); The furnace body (1) is equipped with a pushing mechanism (6) inside. The pushing mechanism (6) includes a bent pipe (61). The bent pipe (61) is connected to the furnace body (1). The two ends inside the bent pipe (61) are slidably connected to a second piston rod (64) and a first piston rod (62). The bent pipe (61) is connected to a perforated plate (65). A second spring (66) is connected between the perforated plate (65) and the second piston rod (64).

2. A vertical vacuum brazing furnace according to claim 1, characterized in that: Fans (11) are evenly distributed on the inner back side of the furnace body (1), and a protective cover is installed on the outside of the fan (11).

3. A vertical vacuum brazing furnace according to claim 1, characterized in that: Both ends of the load-bearing plate (41) are connected to track blocks (42), the outside of the track block (42) is slidably connected to a slide rail block (43), and the slide rail block (43) is connected to the furnace body (1).

4. A vertical vacuum brazing furnace according to claim 1, characterized in that: A T-shaped groove (47) is provided inside the load-bearing plate (41), and the T-shaped groove (47) is slidably connected to the T-shaped arm (46) and the connecting arm (44).

5. The vertical vacuum brazing furnace according to claim 1, characterized in that: The inner top of the heat insulation box (51) is connected to a sealing plate (53) via a hinge, and a first spring (54) is connected between the sealing plate (53) and the heat insulation box (51).

6. A vertical vacuum brazing furnace according to claim 1, characterized in that: A guide plate (63) is embedded inside the first piston rod (62) and the perforated plate (65), and the guide plate (63) is slidably connected to the bent pipe (61).

7. A vertical vacuum brazing furnace according to claim 1, characterized in that: A hidden buckle group (67) is evenly arranged between the first piston rod (62) and the T-shaped arm (46), and the hidden buckle group (67) includes a first hidden buckle and a second hidden buckle, and the first hidden buckle and the second hidden buckle are respectively connected to the outside of the first piston rod (62) and the T-shaped arm (46).

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