CN219829344U

CN219829344U - Vacuum drier

Info

Publication number: CN219829344U
Application number: CN202321267364.7U
Authority: CN
Inventors: 胡浩
Original assignee: Jiajin Biomedicine Shanghai Co ltd
Current assignee: Jiajin Biomedicine Shanghai Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-10-13
Anticipated expiration: 2033-05-24

Abstract

The utility model relates to the technical field of dryers, in particular to a vacuum dryer, which comprises a bracket, wherein a dryer body is arranged on the bracket, a transversely extending central shaft is rotatably arranged in the dryer body, the central shaft is hollow, a plurality of stirring rods are uniformly and fixedly arranged on the central shaft at intervals along the length direction, a plurality of exhaust pipes are also uniformly and fixedly arranged on the central shaft at intervals along the length direction, one ends of the exhaust pipes are communicated with an inner cavity of the central shaft, a sealing head is fixedly arranged at one end of the exhaust pipe far away from the central shaft, a plurality of ventilation holes are uniformly distributed on the sealing head, one end of the central shaft extends to the outer side of the dryer body and is provided with a rotary joint, the rotary joint is connected with a vacuum pump through a pipeline, and a driving motor for driving the central shaft to rotate is arranged on the dryer body; because a plurality of exhaust tubes are evenly spaced along the length direction of the central shaft, the hot steam in the dryer body is evenly extracted, the drying of the materials is more uniform, and the drying efficiency of the materials is higher.

Description

Vacuum drier

Technical Field

The utility model relates to the technical field of dryers, in particular to a vacuum dryer.

Background

The vacuum drying is to put the dried material under vacuum condition for heating and drying. The vacuum pump is used for exhausting air and dehumidifying, so that the working chamber is in a vacuum state, the drying rate of materials is greatly accelerated, and meanwhile, energy sources are also saved.

The utility model patent with the application number of CN201922372620.9 discloses a vacuum rake dryer, which comprises a drying oven, wherein supporting legs are fixedly connected to the periphery surface of the bottom of the drying oven, a heat conduction oil inlet and a heat conduction oil outlet are respectively and fixedly connected to the top and the bottom of the drying oven, a feeding pipe is fixedly communicated with the center surface of the top of the drying oven, a vacuum pipe is fixedly communicated with the surface of the feeding pipe, discharging pipes are fixedly communicated with the two sides of the bottom of the drying oven, a discharging device convenient to use is arranged in the drying oven, and the discharging device convenient to use comprises a bearing. This vacuum rake dryer is convenient for discharging device through setting up in the inside of drying cabinet, and discharging device of being convenient for is including the bearing, and the outer lane of bearing and one side inner wall fixed connection of drying cabinet to have in the drying cabinet after the drying is finished, be convenient for derive the material after the drying, make derive thoroughly clean, prevent that current stay-behind from deriving not thoroughly later stage still need open the drying cabinet and handle, cause the characteristics of increase cost.

However, the drying machine is only used for vacuumizing the drying box through the vacuum tube arranged on the feeding tube, and hot steam in the drying box cannot be uniformly pumped out, so that the drying efficiency of materials is inconsistent, the drying of the materials is nonuniform, and the energy consumption is increased.

Disclosure of Invention

The utility model aims to provide a vacuum dryer capable of uniformly exhausting so as to solve the technical problem of uneven exhausting of the existing dryer.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a vacuum drier, includes the support, be equipped with the desicator body on the support, the center pin that transversely extends is installed to the desicator body internal rotation, the center pin cavity sets up, evenly spaced fixed mounting has a plurality of puddlers along length direction on the center pin, still evenly spaced along length direction on the center pin is equipped with a plurality of exhaust tubes, the one end of exhaust tube with the inner chamber of center pin is linked together, the exhaust tube is kept away from one end fixed mounting of center pin has the shutoff head, the equipartition has a plurality of bleeder vents on the shutoff head, the one end of center pin extends to the outside of desicator body and installs rotary joint, rotary joint passes through the pipe connection vacuum pump, install on the desicator body and be used for driving center pin pivoted driving motor.

As a further improvement, an arc-shaped baffle plate is arranged above the central shaft corresponding to the exhaust pipe, bristles are arranged at the bottom of the baffle plate, and the central shaft is driven to contact with the blocking head when rotating.

As a further improvement, a vertically extending sleeve is fixedly arranged on the inner side of the top wall of the dryer body, a slot is arranged at the lower end of the sleeve, a vertically extending movable column is fixedly arranged at the top of the baffle, the movable column is movably arranged in the sleeve, a sliding slot pin is vertically and fixedly arranged on the movable column, a strip-shaped groove matched with the sliding slot pin is arranged on the sleeve, the strip-shaped groove vertically extends, and a spring is connected between the upper end of the movable column and the top wall of the slot; the bottom fixed mounting of baffle has the backup pad, the bottom of backup pad is equipped with curved arch, be equipped with on the center pin and be used for promoting protruding upward movement's plectrum.

As a further improvement, the dryer body is in a cylinder shape which is transversely arranged, a feeding pipe is arranged at the top of the dryer body, and a discharging pipe is arranged at the bottom of one end of the dryer body; the dryer body is close to the one end of arranging the material pipe articulates on the support, the dryer body is kept away from arrange the one end of material pipe with articulated between the support have the pneumatic cylinder.

As a preferable technical scheme, the bracket comprises an upper supporting plate and a lower supporting plate, and a spring column is arranged between the upper supporting plate and the lower supporting plate; one end of the dryer body, which is close to the discharge pipe, is hinged to the upper supporting plate, a cylinder body of the hydraulic cylinder is hinged to the upper supporting plate, and a piston rod of the hydraulic cylinder is hinged to one end of the dryer body, which is far away from the discharge pipe; and a vibrating motor is arranged at the bottom of the upper supporting plate.

After the technical scheme is adopted, the utility model has the beneficial effects that:

(1) According to the utility model, the plurality of exhaust pipes are uniformly distributed at intervals along the length direction of the central shaft, so that hot steam in the dryer body is uniformly extracted, the drying of materials is more uniform, and the drying efficiency of the materials is higher;

(2) The baffle plate can reduce the falling of materials lifted by the stirring rod onto the blocking head, and the blocking head can be cleaned by the bristles when the central shaft rotates, so that the blocking of ventilation holes on the blocking head is avoided;

(3) According to the utility model, after the drying of the material is finished, the right end of the dryer body is driven to rise by stretching of the hydraulic cylinder, so that the material in the dryer body slides leftwards to the discharge pipe, and the material is accelerated to be discharged from the dryer body;

(4) According to the utility model, when materials are discharged out of the dryer body, the upper supporting plate is driven to vibrate by the vibrating motor, and then the upper supporting plate drives the dryer body to vibrate, so that the materials adhered to the inner wall of the dryer body are vibrated down, and the residues of the materials in the dryer body are reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a dryer body according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of a portion of section I of FIG. 2;

FIG. 4 is a right side schematic view of FIG. 3;

fig. 5 is a schematic view of the structure of the exhaust pipe according to the embodiment of the present utility model.

In the figure: 1-a bracket; 2-a dryer body; 3-an outer cylinder; 4-an inner cylinder; 5-a conduction oil inlet; 6-a heat conducting oil outlet; 7-a feeding pipe; 8-discharging pipes; 9-a central axis; 10-driving a motor; 11-a transmission belt; 12-stirring rod; 13-an exhaust pipe; 14-plugging heads; 15-a rotary joint; 16-baffle; 17-sleeve; 18-a movable column; 19-a runner pin; 20-a bar-shaped groove; 21-a support plate; 22-bump; 23-shifting plate; 24-upper support plate; 25-a lower support plate; 26-spring posts; 27-hinge; 28-a hydraulic cylinder; 29-a vibration motor; 30-spring.

Detailed Description

As shown in fig. 1 to 5, a vacuum dryer comprises a bracket 1, wherein a dryer body 2 is arranged on the bracket 1, the dryer body 2 is in a cylinder shape transversely arranged, the dryer body 2 comprises an outer cylinder body 3 and an inner cylinder body 4 arranged in the outer cylinder body 3, an inner cavity of the inner cylinder body 4 is a space for drying materials, a heating cavity is arranged between the outer cylinder body 3 and the inner cylinder body 4, a heat conduction oil inlet 5 communicated with the heating cavity is arranged at the bottom of the dryer body 2, and a heat conduction oil outlet 6 communicated with the heating cavity is arranged at the top of the dryer body 2; the top of the dryer body 2 is also welded with a feeding pipe 7 communicated with the inner cylinder 4, and the bottom of the left end of the dryer body 2 is welded with a discharging pipe 8 communicated with the inner cylinder 4. The material is added into the dryer body 2 through the feeding pipe 7, and the heat conduction oil is injected into the heating cavity through the heat conduction oil inlet 5, so that the material is heated and dried, and finally the dried material is discharged through the discharging pipe 8.

As shown in fig. 2, a central shaft 9 extending transversely is coaxially and rotatably mounted in the dryer body 2 through a bearing, the central shaft 9 is hollow, the left end of the central shaft 9 is closed, the right end of the central shaft 9 extends to the outer side of the dryer body 2, a motor mounting frame is welded at the top of the right end of the dryer body 2, a driving motor 10 for driving the central shaft 9 to rotate is mounted on the motor mounting frame through bolts, and the driving motor 10 is connected with the right end of the central shaft 9 through a transmission belt 11. A plurality of stirring rods 12 are welded on the central shaft 9 at equal intervals along the length direction, and the stirring rods 12 can be driven to stir the materials in the dryer body 2 when the central shaft 9 rotates, so that the materials are uniformly dispersed. The center shaft 9 is further provided with a plurality of exhaust pipes 13 which are welded at equal intervals along the length direction, the exhaust pipes 13 and the stirring rod 12 are arranged in a staggered mode, the exhaust pipes 13 extend along the radial direction of the center shaft 9, one end of each exhaust pipe 13 is communicated with the inner cavity of the center shaft 9, one end, far away from the center shaft 9, of each exhaust pipe 13 is screwed with a blocking head 14, a plurality of ventilation holes are uniformly distributed in the blocking heads 14, massive materials can be prevented from entering the exhaust pipes 13, the right end of the center shaft 9 is provided with a rotary joint 15, and the rotary joint 15 is connected with a vacuum pump through a pipeline. When the vacuum pump works, hot steam in the dryer body 2 is pumped out through the exhaust pipe 13, so that negative pressure is formed in the dryer body 2, and the drying efficiency of materials in the dryer body 2 is accelerated; because a plurality of exhaust pipes 13 evenly distribute at intervals along the length direction of the central shaft 9, thereby leading the hot steam in the dryer body 2 to be evenly extracted, the drying of the materials is more even, and the drying efficiency of the materials is higher.

As shown in fig. 3, an arc-shaped baffle 16 is arranged above a central shaft 9 corresponding to the exhaust pipe 13, the baffle 16 can reduce the material lifted by the stirring rod 12 from falling onto the blocking head 14, bristles are arranged at the bottom of the baffle 16, the blocking head 14 is driven to be contacted with the bristles when the central shaft 9 rotates, and the blocking head 14 is cleaned through the bristles, so that the blocking of ventilation holes on the blocking head 14 is avoided.

As shown in fig. 4, a vertically extending sleeve 17 is fixedly mounted on the inner side of the top wall of the dryer body 2 through bolts, a slot is formed in the lower end of the sleeve 17, a vertically extending movable column 18 is fixedly mounted on the top of the baffle 16 through bolts, the movable column 18 is movably mounted in the slot at the lower end of the sleeve 17, a sliding groove pin 19 which is vertically arranged is screwed on the movable column 18, a strip-shaped groove 20 matched with the sliding groove pin 19 is formed in the side wall of the sleeve 17, the strip-shaped groove 20 vertically extends, the sliding groove pin 19 is vertically and slidably mounted in the sliding groove pin 19, the movable column 18 can be prevented from being separated from the sleeve 17, and a spring 30 is connected between the upper end of the movable column 18 and the top wall of the slot; the left and right ends of the bottom of the baffle 16 are welded with a supporting plate 21, the bottom of the supporting plate 21 is provided with an arc-shaped bulge 22, and a shifting plate 23 for pushing the bulge to move upwards is welded on the central shaft 9. When the central shaft 9 rotates, the shifting plate 23 is driven to rotate, and when the shifting plate 23 rotates to be in contact with the protrusion 22 at the bottom of the supporting plate 21, the shifting plate 23 acts on the protrusion 22 and pushes the baffle 16 and the movable column 18 to move upwards along the sleeve 17 and compress the spring 30; when the pulling plate 23 rotates to be separated from the protrusion 22, the spring 30 in a compressed state stretches to push the movable column 18 and the baffle 16 to move downwards, so that the baffle 16 vibrates up and down through the cooperation of the pulling plate 23 and the spring 30, and the material which is lifted by the stirring rod 12 and falls onto the baffle 16 is vibrated down.

As shown in fig. 1, the bracket 1 comprises an upper supporting plate 24 and a lower supporting plate 25 positioned below the upper supporting plate 24, a spring column 26 is mounted between the upper supporting plate 24 and the lower supporting plate 25 through bolts, the bottom of the left end of the dryer body 2 is hinged on the upper supporting plate 24 through a hinge 27, a hydraulic cylinder 28 is hinged between the right end of the dryer body 2 and the bracket 1, a rectangular groove is formed in the upper supporting plate 24, a cylinder body of the hydraulic cylinder 28 is hinged in the rectangular groove, and a piston rod of the hydraulic cylinder 28 is hinged at the bottom of the right end of the dryer body 2. After the materials are dried, the hydraulic cylinder 28 stretches to drive the right end of the dryer body 2 to rise, so that the materials in the dryer body 2 slide leftwards to the discharge pipe 8, and the materials are discharged from the dryer body 2 in an accelerating manner.

The vibrating motor 29 is installed at the bottom of the upper supporting plate 24 through the bolt, and when materials are discharged out of the dryer body 2, the upper supporting plate 24 is driven to vibrate through the vibrating motor 29, and then the upper supporting plate 24 drives the dryer body 2 to vibrate, so that materials adhered to the inner wall of the dryer body 2 are vibrated off, and residues of the materials in the dryer body 2 are reduced.

The foregoing has shown and described the basic principles, main features and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A vacuum dryer, characterized in that: including the support, be equipped with the desicator body on the support, the center pin of transversely extending is installed to the desicator body internal rotation, the center pin cavity sets up, evenly spaced fixed mounting has a plurality of puddlers along length direction on the center pin, evenly spaced along length direction on the center pin still is equipped with a plurality of exhaust tubes, the one end of exhaust tube with the inner chamber of center pin is linked together, the exhaust tube is kept away from one end fixed mounting of center pin has the shutoff head, the equipartition has a plurality of bleeder vents on the shutoff head, the one end of center pin extends to the outside of desicator body and installs rotary joint, rotary joint passes through the pipe connection vacuum pump, install on the desicator body and be used for driving center pin pivoted driving motor.

2. A vacuum dryer as claimed in claim 1, characterized in that: an arc-shaped baffle plate is arranged above the central shaft corresponding to the exhaust pipe, bristles are arranged at the bottom of the baffle plate, and the sealing head is driven to contact with the bristles when the central shaft rotates.

3. A vacuum dryer as claimed in claim 2, characterized in that: a vertically extending sleeve is fixedly arranged on the inner side of the top wall of the dryer body, a slot is arranged at the lower end of the sleeve, a vertically extending movable column is fixedly arranged at the top of the baffle, the movable column is movably arranged in the sleeve, a sliding groove pin is vertically and fixedly arranged on the movable column, a strip-shaped groove matched with the sliding groove pin is arranged on the sleeve, the strip-shaped groove vertically extends, and a spring is connected between the upper end of the movable column and the top wall of the slot; the bottom fixed mounting of baffle has the backup pad, the bottom of backup pad is equipped with curved arch, be equipped with on the center pin and be used for promoting protruding upward movement's plectrum.

4. A vacuum dryer as claimed in claim 1, characterized in that: the dryer body is in a cylindrical shape which is transversely arranged, a feeding pipe is arranged at the top of the dryer body, and a discharging pipe is arranged at the bottom of one end of the dryer body; the dryer body is close to the one end of arranging the material pipe articulates on the support, the dryer body is kept away from arrange the one end of material pipe with articulated between the support have the pneumatic cylinder.

5. A vacuum dryer as claimed in claim 4, characterized in that: the support comprises an upper support plate and a lower support plate, and a spring column is arranged between the upper support plate and the lower support plate; one end of the dryer body, which is close to the discharge pipe, is hinged to the upper supporting plate, a cylinder body of the hydraulic cylinder is hinged to the upper supporting plate, and a piston rod of the hydraulic cylinder is hinged to one end of the dryer body, which is far away from the discharge pipe; and a vibrating motor is arranged at the bottom of the upper supporting plate.