Muffle furnace capable of being rapidly opened and closed

Abstract

The utility model relates to the technical field of muffle furnaces, and discloses a muffle furnace capable of being opened and closed quickly, which comprises a furnace body, a furnace cover, a control panel and supporting legs, the furnace cover is arranged at one end of the furnace body, the control panel is arranged at the bottom of one end of the furnace cover, and the supporting legs are fixedly connected to the bottom of the furnace body. The furnace body comprises a body, a heating chamber, mounting grooves, rotating lead screws, lifting blocks, a transmission part and a driving motor, the heating chamber is arranged in the body, the mounting grooves are formed in the two sides of the heating chamber, the rotating lead screws are rotationally connected to the interiors of the mounting grooves, the lifting blocks are in threaded connection to the exteriors of the rotating lead screws, and the transmission part is connected to the driving motor. The transmission part is arranged on the top of the body. According to the muffle furnace capable of being rapidly opened and closed, the driving motor drives the rotating lead screw to rotate through the transmission piece, so that the lifting block ascends and descends, then the furnace cover is driven to ascend and descend, the rapid opening and closing effect is achieved, manual operation is reduced, the manual workload is reduced, and the safety of personnel is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of muffle furnaces, in particular to a muffle furnace which can be opened and closed quickly. Background Art

[0002] The muffle furnace mainly generates high temperature through heating elements such as resistance wire, silicon carbon rod or silicon molybdenum rod. The object to be heated is placed in the furnace. When the heating element is energized, the heat generated is transferred to the object through thermal radiation, heat conduction and other methods, bringing it to the required temperature.

[0003] According to the authorization announcement number CN216308567U, a quick opening and closing mechanism of a muffle furnace is disclosed, comprising: a crank rocker, a pivot rod, a reference bracket and a pivot rod seat, wherein the pivot rod seat is mounted on the heat insulation cover of the muffle furnace, one end of the pivot rod seat extends out of the heat insulation cover and exceeds the plane of the corresponding side wall, and the exceeding part is provided with a pivot rod slot, the crank rocker is mounted on the side wall of the muffle furnace, one end of the pivot rod is connected to the crank rocker, and the other end is a movable end, and the movable end is provided with a hook claw, and the reference bracket is mounted under the pivot rod body. When the heat insulation cover is closed, when the crank rocker is shaken counterclockwise, the pivot rod can tilt downward under the action of the reference bracket and the crank rocker to clamp the hook claw of the movable end into the pivot rod slot. Through the above method, the existing tightening mechanism can be replaced, opening and closing is faster and more convenient, there is no risk of loosening, and it is more suitable for environments with frequent use.

[0004] However, the above device still has shortcomings. By adopting a press-fitting method to replace the knob mechanism, it is easy to open and close, but such equipment can only be used for small muffle furnaces. For larger-sized muffle furnaces, the manual opening method will affect work efficiency and increase manual workload, which is inconvenient to use. Utility Model Content

[0005] The purpose of the utility model is to provide a muffle furnace with rapid opening and closing, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a quick-opening and closing muffle furnace, comprising a furnace body, a furnace cover, a control panel and supporting legs, the furnace cover being arranged at one end of the furnace body, the control panel being arranged at the bottom of one end of the furnace cover, and the supporting legs being fixedly connected to the bottom of the furnace body.

[0007] The furnace body includes a main body, a heating chamber, a mounting groove, a rotating screw, a lifting block, a transmission part and a driving motor. The heating chamber is arranged inside the main body, the mounting groove is opened on both sides of the heating chamber, the rotating screw is rotatably connected to the inside of the mounting groove, the lifting block is threadedly connected to the outside of the rotating screw, the transmission part is arranged at the top of the main body, and the driving motor is installed on the top of the transmission part. The driving motor drives the rotating screw to rotate through the transmission part, so that the lifting block rises and falls, and then drives the furnace cover to rise and fall, achieving the effect of quick opening and closing, reducing manual operation, reducing manual workload, and ensuring personnel safety.

[0008] Preferably, the transmission member includes a housing, a rotating block, a first rotating wheel, a second rotating wheel and a transmission belt, the rotating block is rotatably connected to one end inside the housing, the first rotating wheel is rotatably connected to the other end inside the housing, the second rotating wheel is installed on one side of the first rotating wheel, and there are two transmission belts, one end of the transmission belt is sleeved and connected to the outside of the rotating block, and the other ends of the two transmission belts are sleeved and connected to the first rotating wheel and the second rotating wheel respectively.

[0009] Preferably, the furnace cover includes a cover body, a heating sealing block, a cylinder and a U-shaped sealing strip. The cover body is fixedly connected to one end of the lifting block, the heating sealing block is arranged on the inner side of the cover body, the cylinder is arranged on the outer side of the cover body, and the U-shaped sealing strip is fixedly connected to the outer edge of the inner side of the cover body. The telescopic rod of the cylinder passes through the cover body and is fixedly connected to the heating sealing block. The heating sealing block is driven to move by the cylinder, so that the heating sealing block seals the heating chamber to avoid the loss of heated heat, thereby playing a role of secondary closure.

[0010] Preferably, a bottom sealing strip is provided above the control panel, and the bottom sealing strip and the U-shaped sealing strip form an outer edge seal, which has a sealing effect between the furnace body and the furnace cover, thereby ensuring the sealing performance of the muffle furnace.

[0011] Preferably, the bottom of the supporting foot is provided with an anti-skid pad to ensure the stability of the device during use.

[0012] Preferably, heat dissipation grooves are provided at the bottom of both sides of the furnace body, and the heat dissipation grooves are used to volatilize the heat generated by the operation of the furnace body, thereby ensuring that the operation of the furnace body is within a reasonable temperature range and avoiding damage to the equipment.

[0013] Preferably, the control panel is electrically connected to the drive motor, the cylinder and the furnace body, and the operation of the drive motor and the cylinder is controlled by the control panel to ensure that the furnace cover is closed when the furnace body is working.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The muffle furnace with rapid opening and closing, the driving motor drives the rotating screw to rotate through the transmission parts, so that the lifting block is raised and lowered, and then drives the furnace cover to be raised and lowered, so as to achieve the effect of rapid opening and closing, reduce manual operation, reduce manual workload, and ensure the safety of personnel.

[0016] 2. The quick-opening and closing muffle furnace drives the heating sealing block to move through the cylinder, so that the heating sealing block seals the heating chamber to avoid the loss of heating heat and plays a role of secondary closure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a structural diagram of the furnace body of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the transmission part of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the furnace cover of the present utility model.

[0021] In the figure: 1. furnace body; 2. furnace cover; 3. control panel; 4. supporting feet; 5. heat dissipation groove; 101. main body; 102. heating chamber; 103. mounting groove; 104. rotating screw; 105. lifting block; 106. transmission part; 107. driving motor; 108. bottom sealing strip; 110. outer shell; 111. rotating block; 112. first rotating wheel; 113. second rotating wheel; 114. transmission belt; 201. cover body; 202. heating sealing block; 203. cylinder; 204. U-shaped sealing strip. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-4 The utility model provides a technical solution: a quick-opening and closing muffle furnace, comprising a furnace body 1, a furnace cover 2, a control panel 3 and supporting legs 4, the furnace cover 2 is arranged at one end of the furnace body 1, the control panel 3 is arranged at the bottom of one end of the furnace cover 2, and the supporting legs 4 are fixedly connected to the bottom of the furnace body 1.

[0024] The furnace body 1 includes a main body 101, a heating chamber 102, a mounting groove 103, a rotating screw 104, a lifting block 105, a transmission member 106 and a drive motor 107. The heating chamber 102 is arranged inside the main body 101, and the mounting groove 103 is opened on both sides of the heating chamber 102. The rotating screw 104 is rotatably connected to the inside of the mounting groove 103. The lifting block 105 is threadedly connected to the outside of the rotating screw 104. The transmission member 106 is arranged at the top of the main body 101, and the drive motor 107 is installed on the top of the transmission member 106. The drive motor 107 drives the rotating screw 104 to rotate through the transmission member 106, so that the lifting block 105 is lifted and lowered, and then drives the furnace cover 2 to lift and lower, so as to achieve the effect of quick opening and closing, reduce manual operation, reduce manual workload, and ensure personnel safety.

[0025] The transmission member 106 includes a housing 110, a rotating block 111, a first rotating wheel 112, a second rotating wheel 113 and a transmission belt 114. The rotating block 111 is rotatably connected to one end inside the housing 110, the first rotating wheel 112 is rotatably connected to the other end inside the housing 110, and the second rotating wheel 113 is installed on one side of the first rotating wheel 112. There are two transmission belts 114. One end of the transmission belt 114 is sleeved and connected to the outside of the rotating block 111, and the other ends of the two transmission belts 114 are sleeved and connected to the first rotating wheel 112 and the second rotating wheel 113 respectively.

[0026] The furnace cover 2 includes a cover body 201, a heating sealing block 202, a cylinder 203 and a U-shaped sealing strip 204. The cover body 201 is fixedly connected to one end of the lifting block 105, the heating sealing block 202 is arranged on the inner side of the cover body 201, the cylinder 203 is arranged on the outer side of the cover body 201, and the U-shaped sealing strip 204 is fixedly connected to the outer edge of the inner side of the cover body 201. The telescopic rod of the cylinder 203 passes through the cover body 201 and is fixedly connected to the heating sealing block 202. The heating sealing block 202 is driven to move by the cylinder 203, so that the heating sealing block 202 closes the heating chamber 102 to avoid the loss of heated heat, thereby playing a role of secondary closure.

[0027] A bottom sealing strip 108 is provided above the control panel 3. The bottom sealing strip 108 and the U-shaped sealing strip 204 form an outer edge seal, which plays a sealing effect between the furnace body 1 and the furnace cover 2 to ensure the sealing of the muffle furnace. The control panel 3 is electrically connected to the drive motor 107, the cylinder 203 and the furnace body 1. The operation of the drive motor 107 and the cylinder 203 is controlled by the control panel 3 to ensure that the furnace cover 2 is closed when the furnace body 1 is working.

[0028] The bottom of the supporting feet 4 is provided with anti-slip pads to ensure the stability of the device. The bottom of both sides of the furnace body 1 is provided with heat dissipation grooves 5 to volatilize the heat generated by the operation of the furnace body 1, ensuring that the operation of the furnace body 1 is within a reasonable temperature range to avoid damage to the equipment.

[0029] When in use, the object to be heated is placed in the heating chamber 102, and then the drive motor 107 is started through the control panel 3. The rotating screw 104 is rotated through the transmission part 106, driving the lifting block 105 to descend, and the furnace cover 2 is closed to the furnace body 1. The U-shaped sealing strip 204 and the bottom sealing strip 108 form a seal, and then the cylinder 203 drives the heating sealing block 202 to move, and the heating chamber 102 is sealed for the second time, completing the rapid closing of the muffle furnace.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick-opening and closing muffle furnace, comprising a furnace body (1), a furnace cover (2), a control panel (3) and supporting legs (4), characterized in that: The furnace cover (2) is arranged at one end of the furnace body (1), the control panel (3) is arranged at the bottom of one end of the furnace cover (2), and the supporting legs (4) are fixedly connected to the bottom of the furnace body (1); The furnace body (1) comprises a main body (101), a heating chamber (102), a mounting groove (103), a rotating screw (104), a lifting block (105), a transmission member (106) and a driving motor (107), wherein the heating chamber (102) is arranged inside the main body (101), the mounting groove (103) is opened on both sides of the heating chamber (102), the rotating screw (104) is rotatably connected to the inside of the mounting groove (103), the lifting block (105) is threadedly connected to the outside of the rotating screw (104), the transmission member (106) is arranged at the top of the main body (101), and the driving motor (107) is installed on the top of the transmission member (106).

2. A rapid opening and closing muffle furnace according to claim 1, characterized in that: The transmission member (106) includes a housing (110), a rotating block (111), a first rotating wheel (112), a second rotating wheel (113) and a transmission belt (114), wherein the rotating block (111) is rotatably connected to one end inside the housing (110), the first rotating wheel (112) is rotatably connected to the other end inside the housing (110), and the second rotating wheel (113) is installed on one side of the first rotating wheel (112). There are two transmission belts (114), one end of the transmission belt (114) is sleeved and connected to the outside of the rotating block (111), and the other ends of the two transmission belts (114) are sleeved and connected to the first rotating wheel (112) and the second rotating wheel (113), respectively.

3. The rapid opening and closing muffle furnace according to claim 1, characterized in that: The furnace cover (2) comprises a cover body (201), a heating sealing block (202), a cylinder (203) and a U-shaped sealing strip (204); the cover body (201) is fixedly connected to one end of the lifting block (105); the heating sealing block (202) is arranged on the inner side of the cover body (201); the cylinder (203) is arranged on the outer side of the cover body (201); and the U-shaped sealing strip (204) is fixedly connected to the outer edge of the inner side of the cover body (201).

4. The rapid opening and closing muffle furnace according to claim 1, characterized in that: A bottom sealing strip (108) is provided above the control panel (3), and the bottom sealing strip (108) and the U-shaped sealing strip (204) form a sealing member at the outer edge.

5. The rapid opening and closing muffle furnace according to claim 1, characterized in that: The bottom of the supporting foot (4) is provided with an anti-slip pad.

6. The rapid opening and closing muffle furnace according to claim 1, characterized in that: Heat dissipation grooves (5) are provided at the bottoms of both sides of the furnace body (1).

7. The rapid opening and closing muffle furnace according to claim 1, characterized in that: The control panel (3) is electrically connected to the drive motor (107), the cylinder (203) and the furnace body (1).

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