CN213873773U - Explosion-proof vacuum furnace that security is good - Google Patents

Abstract

The utility model discloses an explosion-proof vacuum furnace that security is good, including shell, drinking-water pipe and base, the welding of one side on base top has the shell, and the welding of the inside bottom central position department of shell has the vacuum storehouse, the top in vacuum storehouse all welds in the inside top of shell, and the inner wall in vacuum storehouse evenly welds has the mounting panel, buffer spring is all installed at the inside both ends of mounting panel, and buffer spring's bottom all installs the movable block, one side of mounting panel all is provided with the limiting plate, and evenly installs damping spring between one side of mounting panel and limiting plate. The utility model discloses a damping spring can reduce the impact force that partly inside explosion produced to the buffering of limiting plate, and remaining impact force promotes the limiting plate and leads to the transfer line to promote the removal of removal piece to be reduced by damping spring, make the vacuum chamber receive the impact as little as possible then, realized the explosion-proof function of device.

Description

Explosion-proof vacuum furnace that security is good

Technical Field

The utility model relates to a vacuum furnace technical field specifically is an explosion-proof vacuum furnace that security is good.

Background

With the development of society, people have better environmental awareness, and begin to consider more environmental problems while developing industry, and in order to prevent the problem that three wastes are easily generated in the industrial heating process, people research the operation of a vacuum furnace, and the vacuum furnace is widely used in the fields of ceramic firing, part annealing, metal brazing and the like.

The conventional vacuum furnace has the following disadvantages:

(1) the safety of the device cannot be guaranteed due to the fact that an explosion-proof function is not provided;

(2) the sealing performance of the device is not good enough, and the working effect of the device is easily influenced;

(3) the cooling function of the device is not good enough, and resource waste is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof vacuum furnace that security is good to what provide does not have explosion-proof function in solving above-mentioned background art, the security of device can not obtain the problem of guarantee.

In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof vacuum furnace with good safety comprises a shell, a water pumping pipe and a base, wherein the shell is welded on one side of the top end of the base, a vacuum bin is welded at the central position of the bottom end inside the shell, the top end of the vacuum bin is welded on the top end inside the shell, a mounting plate is uniformly welded on the inner wall of the vacuum bin, buffer springs are mounted at two ends inside the mounting plate, moving blocks are mounted at the bottom ends of the buffer springs, a limiting plate is arranged on one side of the mounting plate, a damping spring is uniformly mounted between the mounting plate and one side of the limiting plate, two transmission rods are hinged at the middle position of the limiting plate, which is close to one side of the mounting plate, one ends of the transmission rods are hinged at one end of the moving blocks, a water tank is welded on one side of the shell, a water feeding pipe is arranged at the bottom end inside the water tank, one side of the water feeding pipe penetrates to one side of the vacuum bin inside the shell, the inner wall welding of water tank has the dust screen, driving motor is installed to the top of water tank, and driving motor's output installs the fan through the pivot, the shell is kept away from one side of water tank and is installed the water pump, and the output of water pump installs the wet return, the one end of wet return extends to the below of dust screen, the drinking-water pipe is installed to the input of water pump, and the one end of drinking-water pipe extends to the inside vacuum chamber one side of shell, the top central point department of shell is provided with the feed inlet, and the bottom of feed inlet extends to the inside in vacuum chamber, the welding of one side of shell top has the riser, and the inside of riser rotates through the pivot and is connected with the lid, the rubber buffer is installed to the bottom intermediate point department of lid, and the bottom of rubber buffer extends to the inside of feed inlet, the lid is kept away from one side of riser and is installed the installation piece, and one side intermediate point department of installation piece rotates through the pivot and is connected with rotatory piece, the inside of rotatory piece is provided with stop gear, and the bottom welding of rotatory piece has the bull stick, the one end welding of the bull stick of rotatory piece one side has fixed stopper, the feed inlet is close to one side of installing the piece and installs the draw-in groove, and the inside of draw-in groove is provided with the fixture block, the fixture block welds in one side of bull stick, the base top is kept away from one side of shell and is installed the vacuum pump, and the input of vacuum pump installs the exhaust tube, the one end of exhaust tube extends to the inside in vacuum storehouse.

Preferably, stop gear is including activity stopper, slider, spout and reset spring, the spout is seted up in the inside of installation piece, and the inside one side that is close to the riser of spout installs two reset spring, the slider is installed to one side of reset spring, and one side of slider installs the activity stopper to one side of activity stopper extends to one side of installation piece.

Preferably, the inner diameters of the pumping pipe and the water delivery pipe are the same, and the horizontal height of the pumping pipe is higher than that of the water delivery pipe.

Preferably, the shape of the horizontal section of the vacuum chamber is square, the mounting plates are provided with sixteen, and the mounting plates are centrosymmetric about the geometric center of the vacuum chamber.

Preferably, the shape of rubber buffer and feed inlet is cylindrical, and the external diameter length of rubber buffer equals the length of feed inlet internal diameter.

Preferably, the clamping block and the clamping groove are arc-shaped, and the circle centers of the clamping block and the clamping groove are the same.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the vacuum chamber, the mounting plate, the limiting plate, the damping spring, the buffer spring, the transmission rod and the moving block are arranged, the shock of the damping spring on the limiting plate can reduce a part of impact force generated by internal explosion, and the rest of the impact force pushes the limiting plate to cause the transmission rod to push the moving block to move, so that the impact is reduced by the buffer spring, the vacuum chamber is impacted as little as possible, and the explosion-proof function of the device is realized;

(2) the cover is fixed by arranging the limiting mechanism, the cover, the shell, the vertical plate, the rubber plug, the feed inlet, the fixed limiting block, the fixture block, the rotating rod, the clamping groove, the rotating block and the mounting block, wherein the rubber plug can be used for blocking the feed inlet for sealing;

(3) through being provided with shell, drinking-water pipe, water pump, vacuum storehouse, exhaust tube, vacuum pump, water pipe, water tank, wet return, dust screen, fan and driving motor, can add cold water to between shell and the vacuum storehouse through the water tank, make it take away the heat quick cooling in the vacuum storehouse, and the water pump can utilize the drinking-water pipe to take hot water away and send into the water tank through the wet return and utilize the fan to cool off and recycle simultaneously, has realized the circulating water cooling function of device.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the mounting block of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the shell and vacuum chamber combination of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 5 is an enlarged schematic structural diagram of the position B in fig. 1 according to the present invention.

In the figure: 1. a limiting mechanism; 101. a movable limiting block; 102. a slider; 103. a chute; 104. a return spring; 2. a cover; 3. a housing; 4. a water pumping pipe; 5. a water pump; 6. a vacuum bin; 7. mounting a plate; 8. a limiting plate; 9. a base; 10. a damping spring; 11. an air exhaust pipe; 12. a vacuum pump; 13. a water supply pipe; 14. a water tank; 15. a water return pipe; 16. a dust screen; 17. a fan; 18. a drive motor; 19. a vertical plate; 20. a rubber plug; 21. a feed inlet; 22. fixing a limiting block; 23. a clamping block; 24. a rotating rod; 25. a card slot; 26. rotating the block; 27. mounting blocks; 28. a buffer spring; 29. a transmission rod; 30. moving the mass.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an explosion-proof vacuum furnace with good safety comprises a shell 3, a water pumping pipe 4 and a base 9, wherein the shell 3 is welded on one side of the top end of the base 9, a vacuum bin 6 is welded at the center of the bottom end inside the shell 3, the top ends of the vacuum bins 6 are welded on the top end inside the shell 3, and mounting plates 7 are uniformly welded on the inner wall of the vacuum bin 6;

the horizontal section of the vacuum chamber 6 is square, sixteen mounting plates 7 are arranged, and the mounting plates 7 are centrosymmetric about the geometric center of the vacuum chamber 6;

specifically, as shown in fig. 1 and 3, the design can enable the limiting plate 8 to be stressed uniformly, so that the impact force of explosion is dispersed uniformly, and the advantage of reducing the impact force of explosion is achieved;

the damping spring 28 is mounted at two ends inside the mounting plate 7, the moving block 30 is mounted at the bottom end of the damping spring 28, the limiting plate 8 is arranged on one side of the mounting plate 7, the damping springs 10 are uniformly mounted between the mounting plate 7 and one side of the limiting plate 8, two transmission rods 29 are hinged at the middle position of the limiting plate 8 close to one side of the mounting plate 7, one ends of the transmission rods 29 are hinged at one ends of the moving block 30, the water tank 14 is welded at one side of the shell 3, the water supply pipe 13 is arranged at the bottom end inside the water tank 14, one side of the water supply pipe 13 penetrates to one side of the vacuum chamber 6 inside the shell 3, the dust screen 16 is welded on the inner wall of the water tank 14, the driving motor 18 is mounted above the water tank 14, the driving motor 18 can be TC7132 in type, the fan 17 is mounted at the output end of the driving motor 18 through a rotating shaft, the water pump 5 is mounted at one side of the shell 3 far away from the water tank 14, the model of the water pump 5 can be 25ZW8-15, the output end of the water pump 5 is provided with a water return pipe 15, one end of the water return pipe 15 extends to the lower part of the dust screen 16, and the input end of the water pump 5 is provided with a water pumping pipe 4;

the inner diameters of the water pumping pipe 4 and the water delivery pipe 13 are the same, and the horizontal height of the water pumping pipe 4 is higher than that of the water delivery pipe 13;

specifically, as shown in fig. 1, the design can make the cooling water wrap the outer wall of the vacuum chamber 6 as much as possible, so that the vacuum chamber has the advantage of complete heat dissipation;

one end of the water pumping pipe 4 extends to one side of the vacuum chamber 6 inside the shell 3, a feed inlet 21 is formed in the center of the top end of the shell 3, the bottom end of the feed inlet 21 extends to the inside of the vacuum chamber 6, a vertical plate 19 is welded on one side of the top end of the shell 3, the inside of the vertical plate 19 is rotatably connected with the cover 2 through a rotating shaft, and a rubber plug 20 is installed in the middle of the bottom end of the cover 2;

the rubber stopper 20 and the feed port 21 are both cylindrical, and the length of the outer diameter of the rubber stopper 20 is equal to the length of the inner diameter of the feed port 21;

specifically, as shown in fig. 1, the rubber stopper 20 can be tightly attached to the feeding hole 21 by such a design, so that the rubber stopper has the advantage of preventing air from entering;

the bottom end of the rubber plug 20 extends into the feed inlet 21, one side of the cover 2, which is far away from the vertical plate 19, is provided with an installation block 27, the middle position of one side of the installation block 27 is rotatably connected with a rotating block 26 through a rotating shaft, and the inside of the rotating block 26 is provided with a limiting mechanism 1;

the limiting mechanism 1 comprises a movable limiting block 101, a sliding block 102, a sliding groove 103 and return springs 104, the sliding groove 103 is arranged inside the mounting block 27, two return springs 104 are arranged on one side, close to the vertical plate 19, inside the sliding groove 103, the sliding block 102 is arranged on one side of each return spring 104, the movable limiting block 101 is arranged on one side of each sliding block 102, and one side of each movable limiting block 101 extends to one side of the mounting block 27;

specifically, as shown in fig. 1 and 4, when the rotating rod 24 rotates and passes through the movable limiting block 101, the movable limiting block 101 is extruded to enable the return spring 104 to accumulate force, and when the rotating rod rotates to the maximum position and is blocked by the fixed limiting block 22, the movable limiting block 101 is not limited by the movable limiting block, and the return spring 104 immediately pushes the sliding block 102 along the sliding groove 103 to push the movable limiting block 101 out to clamp the rotating rod 24;

a rotating rod 24 is welded at the bottom end of the rotating block 26, a fixed limiting block 22 is welded at one end of the rotating rod 24 at one side of the rotating block 26, a clamping groove 25 is installed at one side, close to the installation block 27, of the feed port 21, and a clamping block 23 is arranged inside the clamping groove 25;

the clamping block 23 and the clamping groove 25 are arc-shaped, and the centers of circles of the clamping block 23 and the clamping groove 25 are the same;

specifically, as shown in fig. 2, such a design can enable the fixture block 23 to perfectly fit with the slot 25 during rotation, which has the advantage of facilitating the rotation of the rotating rod 24;

the fixture block 23 is welded on one side of the rotating rod 24, a vacuum pump 12 is installed on one side of the top end of the base 9 far away from the shell 3, the type of the vacuum pump 12 can be AS26, an input end of the vacuum pump 12 is provided with an exhaust tube 11, and one end of the exhaust tube 11 extends to the inside of the vacuum chamber 6.

The working principle is as follows: when the device is used, firstly, the cover 2 is opened, a to-be-processed object is added into the vacuum chamber 6 through the feeding hole 21, then the cover 2 is rotated to be horizontal, the rubber stopper 20 enters the feeding hole 21, the rotating rod 24 is rotated at the moment, the rotating rod 24 can drive the clamping block 23 to enter the clamping groove 25 so as to limit the rotation of the cover 2, meanwhile, the rotating rod 24 extrudes the movable limiting block 101 when rotating to pass through the movable limiting block 101 to enable the reset spring 104 to accumulate force, when the rotating rod rotates to the maximum position and is blocked by the fixed limiting block 22, the movable limiting block 101 is not limited by the rotating rod, the reset spring 104 immediately pushes the sliding block 102 along the sliding groove 103 to push the movable limiting block 101 out to clamp the rotating rod 24, and the clamping block 23 is prevented from being separated from the clamping groove 25.

Then, the device is heated, in the process, if the device is accidentally exploded due to reasons such as improper construction, the impact force of the device can reach the limiting plate 8 firstly, the limiting plate 8 is firstly partially buffered by the damping spring 10 directly under the stress, and the rest impact force can drive the limiting plate 8 to move towards the mounting plate 7, so that the limiting plate 8 pushes the moving block 30 to move along the inside of the mounting plate 7 by using the transmission rod 29 to extrude the damping spring 28 to remove the impact force by the damping spring 28, and finally the impact force is greatly reduced when reaching the vacuum chamber 6, and the influence of explosion is reduced to the lowest possible.

Finally, after the heating is completed, the heating is stopped, water is introduced into the water tank 14, the water can enter between the shell 3 and the vacuum chamber 6 through the water supply pipe 13, the outer wall of the vacuum chamber 6 absorbs heat, so that the inside of the vacuum chamber 6 is cooled, hot water which has absorbed enough heat can be pumped out by the water pump 5 through the water pumping pipe 4 and is sent back to the water tank 14 through the water return pipe 15, and meanwhile, the driving motor 18 is started to drive the fan 17 to rotate to blow cold air to cool the water in the water tank 14 through the dust screen 16, so that the cold air can enter the device again for utilization.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a good explosion-proof vacuum furnace of security, includes shell (3), drinking-water pipe (4) and base (9), its characterized in that: the shock absorber is characterized in that a shell (3) is welded on one side of the top end of a base (9), a vacuum bin (6) is welded on the bottom center position inside the shell (3), the top end of the vacuum bin (6) is welded on the top end inside the shell (3), a mounting plate (7) is evenly welded on the inner wall of the vacuum bin (6), buffer springs (28) are installed at two ends inside the mounting plate (7), moving blocks (30) are installed at the bottom ends of the buffer springs (28), a limiting plate (8) is arranged on one side of the mounting plate (7), shock absorbing springs (10) are evenly installed between the mounting plate (7) and one side of the limiting plate (8), two transmission rods (29) are hinged on the middle position of the limiting plate (8) close to one side of the mounting plate (7), and one ends of the transmission rods (29) are hinged on one end of the moving blocks (30), the water pump is characterized in that a water tank (14) is welded on one side of the shell (3), a water feeding pipe (13) is arranged at the bottom end inside the water tank (14), one side of the water feeding pipe (13) penetrates through one side of a vacuum bin (6) inside the shell (3), a dust screen (16) is welded on the inner wall of the water tank (14), a driving motor (18) is installed above the water tank (14), a fan (17) is installed at the output end of the driving motor (18) through a rotating shaft, a water pump (5) is installed on one side, away from the water tank (14), of the shell (3), a water return pipe (15) is installed at the output end of the water pump (5), one end of the water return pipe (15) extends to the lower side of the dust screen (16), a water pumping pipe (4) is installed at the input end of the water pump (5), and one end of the water pumping pipe (4) extends to one side of the vacuum bin (6) inside the shell (3), the vacuum bin is characterized in that a feed inlet (21) is arranged at the center of the top end of the shell (3), the bottom end of the feed inlet (21) extends into the vacuum bin (6), a vertical plate (19) is welded at one side of the top end of the shell (3), the inside of the vertical plate (19) is rotatably connected with a cover (2) through a rotating shaft, a rubber plug (20) is arranged at the middle position of the bottom end of the cover (2), the bottom end of the rubber plug (20) extends into the feed inlet (21), an installation block (27) is arranged at one side, away from the vertical plate (19), of the cover (2), a rotating block (26) is rotatably connected at the middle position of one side of the installation block (27) through a rotating shaft, a limiting mechanism (1) is arranged inside the rotating block (26), a rotating rod (24) is welded at the bottom end of the rotating block (26), a fixed limiting block (22) is welded at one end of the rotating rod (24) at one side of the rotating block (26), feed inlet (21) are close to one side of installing piece (27) and install draw-in groove (25), and the inside of draw-in groove (25) is provided with fixture block (23), fixture block (23) weld in one side of bull stick (24), one side that shell (3) were kept away from on base (9) top is installed vacuum pump (12), and the input of vacuum pump (12) installs exhaust tube (11), the one end of exhaust tube (11) extends to the inside in vacuum storehouse (6).

2. The explosion-proof vacuum furnace with good safety according to claim 1, characterized in that: stop gear (1) is including activity stopper (101), slider (102), spout (103) and reset spring (104), spout (103) are seted up in the inside of installation piece (27), and the inside one side that is close to riser (19) of spout (103) installs two reset spring (104), slider (102) are installed to one side of reset spring (104), and one side of slider (102) installs activity stopper (101) to one side of activity stopper (101) extends to one side of installation piece (27).

3. The explosion-proof vacuum furnace with good safety according to claim 1, characterized in that: the inner diameters of the water pumping pipe (4) and the water delivery pipe (13) are the same, and the horizontal height of the water pumping pipe (4) is higher than that of the water delivery pipe (13).

4. The explosion-proof vacuum furnace with good safety according to claim 1, characterized in that: the shape of the horizontal section of the vacuum bin (6) is square, the mounting plate (7) is provided with sixteen, and the mounting plate (7) is centrosymmetric about the geometric center of the vacuum bin (6).

5. The explosion-proof vacuum furnace with good safety according to claim 1, characterized in that: the shape of rubber buffer (20) and feed inlet (21) is cylindrical, and the external diameter length of rubber buffer (20) equals the length of feed inlet (21) internal diameter.

6. The explosion-proof vacuum furnace with good safety according to claim 1, characterized in that: the clamping block (23) and the clamping groove (25) are arc-shaped, and the centers of circles of the clamping block (23) and the clamping groove (25) are the same.

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