CN210552333U

CN210552333U - Smelting device for rubber preparation

Info

Publication number: CN210552333U
Application number: CN201921211958.XU
Authority: CN
Inventors: 蓝继华
Original assignee: Qingdao Cr Da Industrial Products Manufacturing Co Ltd
Current assignee: Qingdao qilinda Industrial Products Co.,Ltd.
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-05-19
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a smelting device for rubber preparation, which structurally comprises a furnace body, a feeding pipe, a pressure release valve, a motor, a hot gas circulating device, a controller, a supporting leg, a discharge chute, a rotating shaft, a stirring blade and a heater, wherein the pressure release valve and the hot gas circulating device are arranged on a smelting furnace, hot gas discharged by the smelting furnace is circularly guided into the smelting furnace through the hot gas circulating device, when the pressure in the smelting furnace is overlarge, the pressure of the smelting furnace is relieved through the pressure relief valve, the operation of the circulating air pump is stopped, and the flow divider at the top of the hot gas circulating device is connected to the second exhaust pipe, so that the pressure relief speed of the furnace body is increased, the danger of explosion caused by overlarge pressure in the furnace body is avoided, the hot gas is recycled, the heating temperature in the smelting furnace is increased, the smelting efficiency of rubber is increased, and the safety of the smelting furnace is improved.

Description

Smelting device for rubber preparation

Technical Field

The utility model relates to a rubber preparation equipment technical field, concretely relates to device of smelting that rubber preparation was used.

Background

The rubber is a high-elasticity polymer material with reversible deformation, is rich in elasticity at room temperature, can generate large deformation under the action of small external force, can recover to the original shape after the external force is removed, and needs to be smelted by a smelting device before the rubber is subjected to plastic production, so that the smelting device for preparing the rubber is needed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, the smelting device that rubber preparation was used has now been proposed, it carries out the hot melt to rubber through the heater to have solved current smelting device, it is the steam that produces to discharge through the blast pipe at top at the hot melt, it is relatively poor to carry out recycling effect to steam, lead to the heat to run off, the problem of the loss of increase heater, reached and carried out recycling to steam, increase the heating temperature in the smelting furnace, increase the smelting efficiency of rubber promptly, and increase the beneficial effect of smelting furnace security.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a smelting device that rubber preparation was used, including furnace body, inlet pipe, relief valve, motor, steam circulating device, controller, supporting legs, blown down tank, axis of rotation, stirring leaf and heater, the furnace body upper right corner is provided with the inlet pipe, furnace body top mid-mounting has the motor, the controller is installed on the furnace body right side, the welding of furnace body bottom has four supporting legss, a through-hole has been seted up to furnace body front end bottom, is provided with the solenoid valve in this through-hole, and this through-hole front end installs the blown down tank, the heater is installed to the furnace body bottom, the output shaft of motor bottom carries out concentric rotation through shaft coupling and axis of rotation, the welding of axis of rotation bottom has the stirring leaf, the relief valve is installed to furnace body top front side, steam circulating device is installed in the furnace body left, First pipe, flow divider, second blast pipe, third pipe and second pipe are constituteed, the port at both ends is connected with first pipe and second pipe respectively about the circulating air pump, first pipe top is connected with the flow divider, the flow divider top carries out threaded connection with the second blast pipe, the flow divider bottom is connected with furnace body top left side through the third pipe, and the third pipe stretches into to the furnace body in, the second pipe right-hand member stretches into to the inside left side top of furnace body, the circulating air pump is fixed in the supporting legs left side.

Further, the relief valve comprises first valve body, intake pipe, blast pipe, vent pipe, spring, floating piston, sealing switch, intake pipe and blast pipe have been seted up respectively to both ends about the first valve body, intake pipe and blast pipe junction are provided with a vent pipe, the inside left side of first valve body articulates with the spring, the spring right-hand member articulates in the floating piston left side through the couple, the sealing piston left end runs through vent pipe and fixes with floating piston through the straight-bar, the sealing piston right-hand member is provided with sealing switch, and sealing switch embedding is at the inside right-hand member of first valve body, first valve body is installed in furnace body top front side, and the intake pipe stretches into in the furnace body.

Further, the flow divider comprises second valve body, air inlet, first gas outlet, second gas outlet, shunt tubes, reposition of redundant personnel piston and electric putter, an air inlet has been seted up to second valve body bottom, the air inlet top transversely is provided with the shunt tubes, the second gas outlet is connected to the shunt tubes left end, and the shunt tubes top connects the second gas outlet, the embedding of reposition of redundant personnel piston is in the shunt tubes, electric putter is installed to second valve body right-hand member, the telescopic link of electric putter left end stretches into and is connected with the reposition of redundant personnel piston in the second valve body, the air inlet bottom is connected with the third pipe, first gas outlet and second gas outlet are connected with second blast pipe and first pipe respectively.

Furthermore, a rubber ring is arranged on the left side of the sealing piston, and the width of the rubber ring is larger than the outer diameter of the vent pipe.

Furthermore, a sealing ring is sleeved on the outer side of the shunt piston, and the outer side of the sealing ring is attached to the inner wall of the shunt pipe.

Furthermore, an oil seal ring is arranged at the joint of the outer side of the push rod of the electric push rod and the second valve body.

Further, a switch button and a power line are arranged on the outer side of the controller, a circuit board is mounted inside the controller, a single chip microcomputer is arranged on the circuit board, and the single chip microcomputer is electrically connected with the motor, the heater, the sealing switch, the circulating air pump and the electric push rod through connecting ports in the circuit board.

Further, the spring is an extension spring.

Further, the sealing switch adopts a microswitch.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

in order to solve the problems that the prior smelting device carries out hot melting on rubber by a heater, hot gas generated in the hot melting process is discharged by an exhaust pipe at the top, the utility model has the problems of poor effect of recycling hot gas, heat loss and heater loss increase, the utility model arranges a pressure release valve and a hot gas circulating device on the smelting furnace, hot gas exhausted by the smelting furnace is circularly guided into the smelting furnace through the hot gas circulating device, when the pressure in the smelting furnace is overlarge, the pressure of the smelting furnace is relieved through the pressure relief valve, the operation of the circulating air pump is stopped, and the flow divider at the top of the hot gas circulating device is connected to the second exhaust pipe, so that the pressure relief speed of the furnace body is increased, the danger of explosion caused by overlarge pressure in the furnace body is avoided, the hot gas is recycled, the heating temperature in the smelting furnace is increased, the smelting efficiency of rubber is increased, and the safety of the smelting furnace is improved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the furnace body of the present invention;

fig. 3 is a schematic diagram of the internal structure of the pressure release valve of the present invention;

fig. 4 is a schematic structural view of the flow divider of the present invention;

fig. 5 is the schematic diagram of the internal structure of the flow divider of the present invention.

In the figure: furnace body-1, feed pipe-2, pressure relief valve-3, motor-4, hot gas circulating device-5, controller-6, supporting feet-7, discharge chute-8, rotating shaft-9, stirring blade-10, heater-11, first valve body-31, air inlet pipe-32, exhaust pipe-33, ventilation pipeline-34, spring-35, floating piston-36, sealing piston-37, sealing switch-38, circulating air pump-51, first conduit-52, flow dividing valve-53, second exhaust pipe-54, third conduit-55, second conduit-56, second valve body-531, air inlet-532, first air outlet-533, second air outlet-534, flow dividing pipe-535, flow dividing piston-536, hot gas circulating device-5, Electric push rod-537.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a melting apparatus for rubber preparation: comprises a furnace body 1, an inlet pipe 2, a pressure relief valve 3, a motor 4, a hot gas circulating device 5, a controller 6, supporting legs 7, a discharge chute 8, a rotating shaft 9, a stirring blade 10 and a heater 11, the upper right corner of the furnace body 1 is provided with the inlet pipe 2, the middle part of the top end of the furnace body 1 is provided with the motor 4, the controller 6 is installed on the right side of the furnace body 1, the bottom end of the furnace body 1 is welded with the four supporting legs 7, the bottom of the front end of the furnace body 1 is provided with a through hole, the electromagnetic valve is arranged in the through hole, the discharge chute 8 is installed at the front end of the through hole, the heater 11 is installed at the bottom end of the furnace body 1, the output shaft at the bottom end of the motor 4 concentrically rotates with the rotating shaft 9 through a shaft coupling, the stirring blade 10, The flow divider 53, the second blast pipe 54, third pipe 55 and second pipe 56 constitute, the port at both ends is connected with first pipe 52 and second pipe 56 respectively about circulating air pump 51, first pipe 52 top is connected with flow divider 53, flow divider 53 top and second blast pipe 54 carry out threaded connection, flow divider 53 bottom is connected with furnace body 1 top left side through third pipe 55, and third pipe 55 stretches into to furnace body 1 in, the inside left side top of furnace body 1 is stretched into to second pipe 56 right-hand member, circulating air pump 51 is fixed on the left side of supporting legs 7.

Wherein, the relief valve 3 comprises first valve body 31, intake pipe 32, blast pipe 33, vent pipe 34, spring 35, floating piston 36, sealed piston 37, sealed switch 38, intake pipe 32 and blast pipe 33 have been seted up respectively to both ends about first valve body 31, intake pipe 32 and blast pipe 33 junction are provided with a vent pipe 34, the inside left side of first valve body 31 articulates with spring 35, spring 35 right-hand member articulates in floating piston 36 left side through the couple, sealed piston 37 left end runs through vent pipe 34 through the straight-bar and fixes with floating piston 36, sealed piston 37 right-hand member is provided with sealed switch 38, and sealed switch 38 embedding is at the inside right-hand member of first valve body 31, first valve body 31 is installed in 1 top front side of furnace body, and intake pipe 32 stretches into in furnace body 1.

The flow dividing valve 53 is composed of a second valve body 531, an air inlet 532, a first air outlet 533, a second air outlet 534, a flow dividing pipe 535, a flow dividing piston 536 and an electric push rod 537, the bottom end of the second valve body 531 is provided with the air inlet 532, the top end of the air inlet 532 is transversely provided with the flow dividing pipe 535, the left end of the flow dividing pipe 535 is connected with the second air outlet 534, the top end of the flow dividing pipe 535 is connected with the second air outlet 534, the flow dividing piston 536 is embedded in the flow dividing pipe 535, the right end of the second valve body 531 is provided with the electric push rod 537, a telescopic rod at the left end of the electric push rod 537 extends into the second valve body 531 to be connected with the flow dividing piston 536, the bottom end of the air inlet 532 is connected with a third conduit 55, and the first air outlet 533 and the second air outlet.

Wherein, the left side of the sealing piston 37 is provided with a rubber ring, and the width of the rubber ring is larger than the outer diameter of the vent pipe 34, which is beneficial to sealing the right end of the vent pipe 34 through the sealing piston 37.

Wherein, a sealing ring is sleeved outside the shunt piston 536, and the outer side of the sealing ring is attached to the inner wall of the shunt tube 535, which is beneficial to sealing the shunt tube 535.

An oil seal ring is arranged at the joint of the outer side of the push rod of the electric push rod 537 and the second valve body 531, so that the joint of the electric push rod 537 and the second valve body 531 is favorably sealed.

Wherein, controller 6 outside is provided with switch button and power cord, and controller 6 internally mounted has the circuit board, is provided with the singlechip on the circuit board, and the singlechip passes through the connection port on the circuit board to be connected with motor 4, heater 11, seal switch 38, circulating air pump 51 and electric putter 537 electricity respectively, is favorable to controlling motor 4, heater 11, seal switch 38, circulating air pump 51 and electric putter 537 respectively through controller 6.

Wherein, the spring 35 adopts extension spring, and pulling force is effectual, and not fragile.

The sealing switch 38 is a microswitch, so that the size is small, the installation is convenient, and the pressing sensitivity is high.

Learn according to last the utility model discloses the material of first valve body 31 and second valve body 531 all adopts the stainless steel, has hardness height, not fragile advantage.

The sealing switch 38 described in this patent is a microswitch, which is a switch having a small contact gap and a snap action mechanism, which performs a switching action with a specified stroke and a specified force, covered with a housing, and having a drive lever outside, because the contact gap of the switch is small, so called a microswitch, also called a sensitive switch.

The working principle is as follows: before use, the device is firstly placed on a plane floor through supporting feet 7, then an outer power line of a controller 6 is connected with an external power supply to be used as power supply, when the device is used, rubber to be smelted enters a furnace body 1 through a feeding pipe 2, then the feeding pipe 2 is sealed, the feeding pipe 2 is sealed to ensure the sealing property in the furnace body 1, then a control instruction is sent through a switch key on the outer side of the controller 6, data calculation is carried out through a single chip microcomputer in the controller 6, a motor 4, a heater 11, a sealing switch 38, a circulating air pump 51 and an electric push rod 537 are respectively controlled, the heater 11 is controlled to heat the rubber in the furnace body 1 to carry out hot melting, the motor 4 is controlled to generate power to drive a rotating shaft 9 to rotate through an output shaft, the rotating shaft 9 drives a stirring blade 10 to stir the rubber, the hot melting is uniform, the heating speed in the furnace body 1 is increased due to the sealing in the furnace body 1, and when the temperature in the furnace body 1 is higher than 60 ℃, the circulating air pump 51 is controlled to generate power to extract the heat in the furnace body 1 through the flow dividing valve 53 and the third conduit 55 by the first conduit 52, and the heat is transmitted into the furnace body 1 through the second conduit 56, the hot air is recycled, the heating temperature in the smelting furnace is increased, namely the smelting efficiency of rubber is increased, when the pressure in the furnace body 1 is too high, the air pressure in the furnace body 1 extrudes the sealing piston 37 in the pressure valve 3, the sealing piston 37 moves rightwards and presses the sealing switch 38, the air inlet pipe 32 is connected with the air outlet pipe 33, and the sealing switch 38 sends a control instruction, the operation of the circulating air pump 51 is stopped by the singlechip, and the extension of the push rod at the left end of the electric push rod 537 is controlled, make reposition of redundant personnel piston 536 move left and seal second gas outlet 534, because reposition of redundant personnel piston 536 moves left and makes air inlet 532 be connected with first gas outlet 533 through shunt tubes 535, carry out the pressure release through second blast pipe 54 and second gas outlet 534, increase the pressure release speed of furnace body, and rubber smelting accomplishes the back, control blown down tank 8 rear end solenoid valve opens, blown down tank 8 is through carrying out the ejection of compact to smelting completion back rubber, the completion is to smelting of rubber.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

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. Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A smelting device for rubber preparation comprises a furnace body (1), a feeding pipe (2), a motor (4), a controller (6), supporting legs (7), a discharge chute (8), a rotating shaft (9), stirring blades (10) and a heater (11), the feeding pipe (2) is arranged at the upper right corner of the furnace body (1), the motor (4) is arranged in the middle of the top end of the furnace body (1), a controller (6) is arranged on the right side of the furnace body (1), four supporting legs (7) are welded at the bottom end of the furnace body (1), a through hole is arranged at the bottom of the front end of the furnace body (1), an electromagnetic valve is arranged in the through hole, a discharge chute (8) is arranged at the front end of the through hole, a heater (11) is arranged at the bottom end of the furnace body (1), an output shaft at the bottom end of the motor (4) concentrically rotates with the rotating shaft (9) through a coupler, and stirring blades (10) are welded at the bottom end of the rotating shaft (9);

the method is characterized in that: still include relief valve (3) and steam circulating device (5), relief valve (3) are installed to furnace body (1) top front side, steam circulating device (5) are installed on furnace body (1) left side, steam circulating device (5) are by circulating air pump (51), first pipe (52), flow divider (53), second blast pipe (54), third pipe (55) and second pipe (56) are constituteed, the port at both ends is connected with first pipe (52) and second pipe (56) respectively about circulating air pump (51), first pipe (52) top is connected with flow divider (53), flow divider (53) top and second blast pipe (54) carry out threaded connection, flow divider (53) bottom is connected with furnace body (1) top left side through third pipe (55), and third pipe (55) stretch into to furnace body (1), the right end of the second conduit (56) extends into the top of the left side inside the furnace body (1), and the circulating air pump (51) is fixed on the left side of the supporting leg (7).

2. A melting apparatus for rubber production as defined in claim 1, wherein: the pressure release valve (3) is composed of a first valve body (31), an air inlet pipe (32), an exhaust pipe (33), an air duct (34), a spring (35), a floating piston (36), a sealing piston (37) and a sealing switch (38), wherein the air inlet pipe (32) and the exhaust pipe (33) are respectively arranged at the upper end and the lower end of the first valve body (31), the air duct (34) is arranged at the joint of the air inlet pipe (32) and the exhaust pipe (33), the left side inside the first valve body (31) is hung with the spring (35), the right end of the spring (35) is hung at the left side of the floating piston (36) through a hook, the left end of the sealing piston (37) penetrates through the air duct (34) and is fixed with the floating piston (36) through a straight rod, the right end of the sealing piston (37) is provided with the sealing switch (38), and the sealing switch (38) is embedded, the first valve body (31) is installed on the front side of the top end of the furnace body (1), and the air inlet pipe (32) extends into the furnace body (1).

3. A melting apparatus for rubber production as defined in claim 1, wherein: flow divider valve (53) comprises second valve body (531), air inlet (532), first gas outlet (533), second gas outlet (534), shunt tubes (535), reposition of redundant personnel piston (536) and electric putter (537), an air inlet (532) has been seted up to second valve body (531) bottom, air inlet (532) top transversely is provided with shunt tubes (535), second gas outlet (534) is connected to shunt tubes (535) left end, and second gas outlet (534) is connected to shunt tubes (535) top, reposition of redundant personnel piston (536) embedding is in shunt tubes (535), electric putter (537) are installed to second valve body (532) right-hand member, the telescopic link of electric putter (537) left end stretches into in second valve body (531) and is connected with reposition of redundant personnel piston (536), air inlet (532) bottom is connected with third pipe (55), first gas outlet (533) and second gas outlet (534) respectively with second blast pipe (54) and first blast pipe (537) The conduit (52) is connected.

4. A melting apparatus for rubber production as defined in claim 2, wherein: the left side of the sealing piston (37) is provided with a rubber ring, and the width of the rubber ring is larger than the outer diameter of the vent pipeline (34).

5. A melting apparatus for rubber production as defined in claim 3, wherein: a sealing ring is sleeved on the outer side of the shunt piston (536), and the outer side of the sealing ring is attached to the inner wall of the shunt pipe (535).

6. A melting apparatus for rubber production as defined in claim 3, wherein: a sealing ring is sleeved on the outer side of the shunt piston (536), and the outer side of the sealing ring is attached to the inner wall of the shunt pipe (535).

7. A melting apparatus for rubber production as defined in claim 1, wherein: the controller is characterized in that a switch key and a power line are arranged on the outer side of the controller (6), a circuit board is arranged inside the controller (6), a single chip microcomputer is arranged on the circuit board, and the single chip microcomputer is electrically connected with the motor (4), the heater (11), the sealing switch (38), the circulating air pump (51) and the electric push rod (537) through connecting ports in the circuit board.