Vertical bottom charging vacuum furnace

Abstract

The utility model belongs to the field of vacuum furnaces, and particularly relates to a vertical bottom charging vacuum furnace which comprises a bottom plate, the top of the bottom plate is fixedly connected with a supporting plate, a furnace body is fixedly sleeved with the supporting plate, the right end of the furnace body is fixedly connected with an exhaust pipe, and the top of the furnace body is fixedly connected with a fixing seat. And the right end of the fixed seat is fixedly connected with a communicating port, and the right end of the communicating port is fixedly connected with a connecting seat. By designing the motor, the motor can drive the screw rod to rotate to realize the threaded movement of the bottom cover, the movement of the bottom cover is convenient for loading or taking out materials, and under the action of the sealing ring, the interior of the furnace body can be sealed, so that the loss of heat in the furnace body can be reduced, and the furnace body is helped to quickly heat and maintain the temperature; the working efficiency of the vacuum furnace can be improved, when the air pressure in the vacuum furnace is too large, gas can be automatically discharged through pressure relief of the fixing base, and the use safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum furnace technical field, concretely is a vertical bottom charging vacuum furnace. BACKGROUND

[0002] A vacuum furnace is a device used to heat materials in an oxygen-free or low-oxygen environment. It can produce very low air pressure, and the air in the furnace cavity is extracted to create a vacuum environment. Vacuum furnaces are usually used to process materials at high temperatures, such as sintering, annealing, sintering, smelting, etc.

[0003] The utility model discloses a vertical bottom charging vacuum furnace equipment relates to vacuum furnace technical field, contains furnace body, vacuum system, platform, furnace door, support arm, lifting device, vacuum system is connected with furnace body, is used to carry out the evacuation to furnace body, lifting device is installed on the platform, and the support arm is installed on the lifting device, and the lifting device drives the support arm to support the furnace door and realizes the up and down lifting action, the platform lower part is equipped with grating device, in addition, the platform lower part is also equipped with entity protection, and this entity protection can be protective net, fence or other protection device. The grating device can emit light beams to form a grating. During the operation of the vertical bottom charging vacuum furnace equipment, when a person enters the dangerous area below the furnace door and touches the grating, the alarm will be activated, which can prevent personal injury and reduce safety hazards in case of an accident.

[0004] In the above-mentioned prior art, during the use of the vacuum furnace, the internal heat of the vacuum furnace will be discharged together with the gas generated during heating, resulting in a large loss of internal heat, which will affect the heating efficiency of the vacuum furnace and further affect the work efficiency. Therefore, improvement is needed. UTILITY MODEL CONTENTS

[0005] The utility model discloses a vertical bottom charging vacuum furnace, which solves the problem of large internal heat loss of the vacuum furnace affecting work efficiency.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A vertical bottom charging vacuum furnace, including the bottom plate, the top of bottom plate is fixedly connected with the supporting plate, the inside of supporting plate is fixedly sleeved with the furnace body, the right end of furnace body is fixedly connected with the exhaust pipe, the top of furnace body is fixedly connected with the fixed seat, the right end of fixed seat is fixedly connected with the communicating port, the right end of communicating port is fixedly connected with the connecting seat, the right end of connecting seat is fixedly connected with the exhaust pipe, the bottom of bottom plate is fixedly installed with motor, the upper end of motor output is fixedly connected with screw rod, the outside of screw rod is rotatably connected with bottom cover, the outside of screw rod is rotatably connected with bottom cover, the inside of bottom cover is slidably sleeved with guide rod, the guide rod is fixedly connected with bottom plate, the fixed seat is provided with exhaust mechanism, and the connecting seat is provided with purification mechanism.

[0007] Preferably, the outside of the bottom cover is fixedly sleeved with a sealing ring, and the sealing ring is slidably connected with the furnace body. By designing the sealing ring, the connection between the bottom cover and the furnace body can be sealed.

[0008] Preferably, the exhaust mechanism comprises a plug, the inside of the fixed seat is slidably sleeved with the plug, the top of the plug is fixedly connected with a connecting rod, the connecting rod is slidably connected with the fixed seat, the top of the connecting rod is fixedly connected with a connecting block, the connecting block is slidably connected with the fixed seat, the inside of the connecting block is slidably sleeved with a fixed rod, the fixed rod is fixedly connected with the fixed seat, and the outside of the fixed rod is provided with a first spring. By designing the exhaust mechanism, the gas in the furnace body can be automatically discharged.

[0009] Preferably, one end of the first spring is fixedly connected with the fixed seat, and the other end of the first spring is fixedly connected with the connecting block. By designing the first spring, the force of the first spring can act on the connecting block.

[0010] Preferably, the purification mechanism comprises a filter plate, the inside of the connecting seat is slidably sleeved with the filter plate, the inside of the filter plate is provided with a filter core, the top of the filter plate is fixedly connected with a pull rod, the outside of the filter plate is slidably sleeved with a mounting seat, the mounting seat is fixedly connected with the connecting seat, the inside of the mounting seat is slidably sleeved with a sliding rod, the outside of the sliding rod is provided with a second spring, the outside of the sliding rod is fixedly connected with a sliding block, the sliding block is slidably connected with the mounting seat, the inside of the sliding block is movably sleeved with a clamping ball, and the clamping ball is movably connected with the mounting seat and the filter plate. By designing the purification mechanism, the discharged gas can be filtered and purified.

[0011] Preferably, one end of the second spring is fixedly connected with the mounting seat, and the other end of the second spring is fixedly connected with the sliding block. By designing the second spring, the force of the second spring can act on the sliding block.

[0012] Preferably, the inside of the filter plate is provided with a recess, and a clamping ball is movably sleeved in the recess.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The motor can drive the screw rod to rotate to realize the threaded movement of the bottom cover, the movement of the bottom cover facilitates the loading or unloading of materials, the furnace body can be sealed under the action of the sealing ring, the loss of heat in the furnace body can be reduced, the furnace body can be rapidly heated and the temperature can be maintained, the working efficiency of the vacuum furnace can be improved, when the internal air pressure of the vacuum furnace is too large, the gas can be automatically discharged through the fixing seat, and the use safety is improved.

[0015] 2、The filter plate can filter and purify the exhaust gas in the furnace body, avoids pollution of the external environment caused by the exhaust gas, and can be conveniently taken out from the connecting seat, facilitating replacement and use of the filter core of the filter plate, and being more convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure perspective view of the utility model;

[0017] Figure 2 It is a furnace body local structure perspective view of the utility model; Figure 1

[0018] It is a fixing seat structure front view of the utility model; Figure 3 Figure 1 It is an A place enlarged view of the utility model;

[0019] Figure 4 Figure 3

[0020] In the drawing: 1, bottom plate; 2, support plate; 3, furnace body; 4, suction pipe; 5, fixing seat; 6, communication port; 7, connecting seat; 8, exhaust mechanism; 9, purification mechanism; 10, exhaust pipe; 11, motor; 12, screw rod; 13, bottom cover; 14, guide rod; 15, sealing ring; 81, plug; 82, connecting rod; 83, connecting block; 84, fixed rod; 85, first spring; 91, filter plate; 92, pull rod; 93, mounting seat; 94, sliding rod; 95, second spring; 96, sliding block; 97, clamping ball; 98, recess. DETAILED DESCRIPTION

[0021] ​​​With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] Please refer to Figure 1 、 Figure 2 A vertical bottom charging vacuum furnace, comprising a bottom plate 1, a support plate 2 is fixedly connected to the top of the bottom plate 1, a furnace body 3 is fixedly sleeved in the inside of the support plate 2, an exhaust pipe 4 is fixedly connected to the right end of the furnace body 3, a fixed seat 5 is fixedly connected to the top of the furnace body 3, a communication port 6 is fixedly connected to the right end of the fixed seat 5, a connecting seat 7 is fixedly connected to the right end of the communication port 6, an exhaust pipe 10 is fixedly connected to the right end of the connecting seat 7, a motor 11 is fixedly installed at the bottom of the bottom plate 1, a screw rod 12 is fixedly connected to the upper end of the output end of the motor 11, the screw rod 12 is rotatably connected with the bottom plate 1, a bottom cover 13 is threadedly connected to the outside of the screw rod 12, the bottom cover 13 is slidably connected with the furnace body 3, a guide rod 14 is slidably sleeved in the inside of the bottom cover 13, the guide rod 14 is fixedly connected with the bottom plate 1, a sealing ring 15 is fixedly sleeved to the outside of the bottom cover 13, the sealing ring 15 is slidably connected with the furnace body 3, the sealing ring 15 can seal the connecting place of the bottom cover 13 and the furnace body 3, an exhaust mechanism 8 is arranged on the fixed seat 5, and a purification mechanism 9 is arranged on the connecting seat 7.

[0023] Please refer to Figure 1 、 Figure 2 、 Figure 3 The exhaust mechanism 8 comprises a plug 81, the plug 81 is slidably sleeved in the inside of the fixed seat 5, the plug 81 is fixedly connected to the top of a connecting rod 82, the connecting rod 82 is slidably connected with the fixed seat 5, the connecting rod 82 is fixedly connected to the top of a connecting block 83, the connecting block 83 is slidably connected with the fixed seat 5, the connecting block 83 is slidably sleeved in the inside of a fixed rod 84, the fixed rod 84 is fixedly connected with the fixed seat 5, a first spring 85 is arranged on the outside of the fixed rod 84, one end of the first spring 85 is fixedly connected with the fixed seat 5, the other end of the first spring 85 is fixedly connected with the connecting block 83, the first spring 85 can act on the connecting block 83 by designing the first spring 85, and the inside gas of the furnace body 3 can be automatically discharged by designing the exhaust mechanism 8.

[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4The purifying mechanism 9 comprises a filter plate 91, the inside of the connecting seat 7 is sleeved with the filter plate 91, the inside of the filter plate 91 is provided with a filter core, the top of the filter plate 91 is fixedly connected with a pull rod 92, the outside of the filter plate 91 is sleeved with a mounting seat 93, the mounting seat 93 is fixedly connected with the connecting seat 7, the inside of the mounting seat 93 is sleeved with a sliding rod 94, the outside of the sliding rod 94 is provided with a second spring 95, one end of the second spring 95 is fixedly connected with the mounting seat 93, the other end of the second spring 95 is fixedly connected with a sliding block 96, the force of the second spring 95 can act on the sliding block 96 through the design of the second spring 95, the outside of the sliding rod 94 is fixedly connected with the sliding block 96, the sliding block 96 is slidably connected with the mounting seat 93, the inside of the sliding block 96 is movably sleeved with a clamping ball 97, the clamping ball 97 is movably connected with the mounting seat 93 and the filter plate 91 respectively, the inside of the filter plate 91 is provided with a groove 98, the inside of the groove 98 is movably sleeved with the clamping ball 97, the clamping ball 97 can roll in the groove 98 through the design of the groove 98, and the exhaust gas can be filtered and purified through the design of the purifying mechanism 9.

[0025] The specific implementation process of the utility model is as follows: when the motor 11 is started during use, the output end of the motor 11 can drive the screw rod 12 to rotate, the threaded movement of the bottom cover 13 can be realized, the bottom cover 13 can slide in the vertical direction along the guide rod 14, and the opening and closing of the furnace body 3 can be realized by the movement of the bottom cover 13.

[0026] After the material is loaded into the furnace body 3, the inside of the furnace body 3 can be vacuumized through the air suction pipe 4, and then the material can be processed by heating the furnace body 3.

[0027] Under the action of the sealing ring 15, the inside of the furnace body 3 can be sealed, heat loss in the furnace body 3 can be reduced, the furnace body 3 can be quickly heated and the temperature can be maintained, the working efficiency of the vacuum furnace can be improved, when the air pressure in the vacuum furnace is too large, the gas can push the plug 81 to move upwards, the plug 81 can drive the connecting rod 82 and the connecting block 83 to move upwards, the connecting block 83 can slide along the fixed rod 84 and press the first spring 85, when the plug 81 is separated from the inner wall of the fixed seat 5, the gas can enter the inside of the fixed seat 5, then the gas can be input into the inside of the connecting seat 7 through the communication port 6, so that the automatic pressure relief and discharge of the gas can be realized, and the use safety is improved.

[0028] After the gas enters the inside of the connecting seat 7, the inside exhaust gas of the furnace body 3 can be filtered and purified under the action of the filter plate 91, so as to avoid that the exhaust of the gas causes pollution to the external environment. When the pull rod 92 is pulled upward, the pull rod 92 can drive the filter plate 91 to move upward, the arc surface of the groove 98 in the filter plate 91 can extrude and push the clamping ball 97, the clamping ball 97 is extruded to roll to the inside of the mounting seat 93, the clamping ball 97 drives the sliding block 96 to move, the sliding block 96 drives the sliding rod 94 to move, the sliding block 96 can extrude the second spring 95, so that the clamping ball 97 is separated from the filter plate 91, and then the filter plate 91 can be taken out from the inside of the connecting seat 7, so that the filter core of the filter plate 91 is convenient to replace and use, and the use is more convenient.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A vertical bottom loading vacuum furnace comprising a floor (1), characterized in that: The top of the bottom plate (1) is fixedly connected with a support plate (2), the inside of the support plate (2) is fixedly sleeved with a furnace body (3), the right end of the furnace body (3) is fixedly connected with an exhaust pipe (4), the top of the furnace body (3) is fixedly connected with a fixed seat (5), the right end of the fixed seat (5) is fixedly connected with a communication port (6), the right end of the communication port (6) is fixedly connected with a connecting seat (7), the right end of the connecting seat (7) is fixedly connected with an exhaust pipe (10), the bottom of the bottom plate (1) is fixedly installed with a motor (11), the output end of the motor (11) is fixedly connected with a screw rod (12), the screw rod (12) is rotatably connected with the bottom plate (1), the outer side of the screw rod (12) is threadedly connected with a bottom cover (13), the bottom cover (13) is slidably connected with the furnace body (3), the inside of the bottom cover (13) is slidably sleeved with a guide rod (14), the guide rod (14) is fixedly connected with the bottom plate (1), an exhaust mechanism (8) is arranged on the fixed seat (5), and a purification mechanism (9) is arranged on the connecting seat (7).

2. A vertical bottom loading vacuum furnace as claimed in claim 1, wherein: The outer side of the bottom cover (13) is fixedly sleeved with a sealing ring (15), and the sealing ring (15) is slidably connected with the furnace body (3).

3. A vertical bottom loading vacuum furnace as claimed in claim 1, wherein: The exhaust mechanism (8) comprises a plug (81), the inside of the fixed seat (5) is slidably sleeved with the plug (81), the top of the plug (81) is fixedly connected with a connecting rod (82), the connecting rod (82) is slidably connected with the fixed seat (5), the top of the connecting rod (82) is fixedly connected with a connecting block (83), the connecting block (83) is slidably connected with the fixed seat (5), the inside of the connecting block (83) is slidably sleeved with a fixed rod (84), the fixed rod (84) is fixedly connected with the fixed seat (5), and the outer side of the fixed rod (84) is provided with a first spring (85).

4. A vertical bottom loading vacuum furnace as claimed in claim 3, wherein: One end of the first spring (85) is fixedly connected with the fixed seat (5), and the other end of the first spring (85) is fixedly connected with the connecting block (83).

5. A vertical bottom loading vacuum furnace as claimed in claim 1, wherein: The purification mechanism (9) comprises a filter plate (91), the inside of the connecting seat (7) is slidably sleeved with the filter plate (91), the inside of the filter plate (91) is provided with a filter core, the top of the filter plate (91) is fixedly connected with a pull rod (92), the outer side of the filter plate (91) is slidably sleeved with a mounting seat (93), the mounting seat (93) is fixedly connected with the connecting seat (7), the inside of the mounting seat (93) is slidably sleeved with a sliding rod (94), the outer side of the sliding rod (94) is provided with a second spring (95), the outer side of the sliding rod (94) is fixedly connected with a sliding block (96), the sliding block (96) is slidably connected with the mounting seat (93), the inside of the sliding block (96) is movably sleeved with a clamping ball (97), and the clamping ball (97) is movably connected with the mounting seat (93) and the filter plate (91).

6. A vertical bottom loading vacuum furnace as claimed in claim 5, wherein: One end of the second spring (95) is fixedly connected with the mounting seat (93), and the other end of the second spring (95) is fixedly connected with the sliding block (96).

7. A vertical bottom loading vacuum furnace as claimed in claim 5, wherein: The filter plate (91) is internally provided with a recess (98), and the recess (98) is movably sleeved with a clamping ball (97).

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