CN211953468U - Gas introducing device of vacuum drying oven - Google Patents
Gas introducing device of vacuum drying oven Download PDFInfo
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- CN211953468U CN211953468U CN202020049075.XU CN202020049075U CN211953468U CN 211953468 U CN211953468 U CN 211953468U CN 202020049075 U CN202020049075 U CN 202020049075U CN 211953468 U CN211953468 U CN 211953468U
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Abstract
The utility model discloses a gaseous introducing device of vacuum drying oven, include: the drying box comprises a support, a liner, a cylinder and an inlet pipe assembly, wherein the support is arranged on one side inside the drying box body; an air outlet is formed in the top of the inner container, and one end of the air outlet is connected with a vacuum pump through an air pipe; the inlet pipe assembly is communicated with a nitrogen tank through a gas pipe; a plurality of output branch pipes communicated with the air pipe are arranged in the lead-in pipe assembly. The utility model discloses a cylinder drives the inlet tube subassembly of installing in the drying cabinet and carries out the up-and-down motion, enlarges nitrogen gas motion range, more comprehensive abundant with put the object contact in the thing dish, shorten drying time, improve work efficiency.
Description
Technical Field
The utility model belongs to vacuum drying equipment field, especially a gaseous introducing device of vacuum drying oven.
Background
In current vacuum drying machine, towards heat sensitivity, easy decomposition and easy oxidation material design towards the desiccator in the inert gas rush into, make gas reach rapid draing under inert gas's drive, but the thing dish of putting in the drying cabinet is for being a plurality of from last to down, inert gas introduction port is equipped with one usually, contact in the unable comprehensive thing dish of opposition under the effect of vacuum pump, the material that is close to gas jet one side usually is dry more thoroughly for material drying degree differs in the drying cabinet.
Disclosure of Invention
The purpose of the invention is as follows: provides a vacuum furnace feeding sealing device to solve the problems in the prior art.
The technical scheme is as follows: a vacuum oven gas introduction apparatus comprising:
the drying box comprises a drying box body, a support arranged on one side inside the drying box body, an inner container sleeved inside the drying box body, an air cylinder fixedly arranged on one side of the support and an inlet pipe assembly in transmission connection with one side of the air cylinder;
an air outlet is formed in the top of the inner container, and one end of the air outlet is connected with a vacuum pump through an air pipe;
the inlet pipe assembly is communicated with a nitrogen tank through a gas pipe; a plurality of output branch pipes communicated with the air pipe are arranged in the lead-in pipe assembly.
In a further embodiment, a storage rack is arranged in the inner container, and a plurality of storage disks are inserted on the storage rack.
In a further embodiment, the intake tube assembly comprises: the guide rod group is fixedly inserted into the support, the guide rod group is sleeved with the connecting blocks and the cross connecting rod groups are fixedly connected to one side of the connecting blocks, one end of each cross connecting rod group is fixedly connected with the output end of the air cylinder, the other end of each cross connecting rod group is fixedly installed on one side of the support, the cross connecting rod groups do telescopic motion on the guide rods under the action of the output ends of the air cylinders, and then the distance between the connecting blocks is adjusted.
In a further embodiment, an air inlet hole and an air outlet hole are formed in the connecting block, the air inlet hole is connected with the conveying branch pipe, a nozzle is inserted into the air outlet hole, and the air outlet hole is communicated with the air inlet hole to spray nitrogen distributed by the conveying branch pipe out of the nozzle.
In a further embodiment, a safety valve and a pressure gauge are arranged on the air pipe.
In a further embodiment, the front and rear two groups of connecting rods in the cross connecting group are sequentially and symmetrically crossed, the cross position is provided with a pin shaft for hinging, and the hinging positions of the front and rear two groups of connecting rods in the cross connecting group are fixed on the connecting block through the pin shaft.
Has the advantages that: the utility model discloses a cylinder drives the inlet tube subassembly of installing in the drying cabinet and carries out the up-and-down motion, enlarges nitrogen gas motion range, more comprehensive abundant with put the object contact in the thing dish, shorten drying time, improve work efficiency.
Drawings
Fig. 1 is a perspective view of the gas introducing device of the vacuum drying oven of the present invention.
Fig. 2 is a schematic structural diagram of the gas introducing device of the vacuum drying oven of the present invention.
Figure 3 is a cross-sectional view of the intake assembly of the present invention.
Fig. 4 is a schematic structural view of the cross-connecting rod assembly of the present invention.
The reference signs are: the drying box comprises a drying box body 1, a support 2, an inner container 3, an air outlet 30, a storage rack 31, a storage tray 32, an air cylinder 4, an inlet pipe assembly 5, a guide rod group 50, a connecting block 51, a cross connecting rod group 52, a first connecting rod 520, a second connecting rod 521, a third connecting rod 522, a fourth connecting rod 523, a vacuum pump 6, a nitrogen tank 7 and an air pipe 8.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
The applicant finds that the existing vacuum dryer has a single gas introduction port, so that the drying degree of the material to be dried is higher on the side close to the gas jet than on the side far away from the gas jet, and the existing gas jet has a single overlarge impact force on the material on the side close to the gas jet when the powdery material is dried, so that the material is scattered into the drying box to pollute the drying box. Therefore, the air nozzles which are uniformly and reasonably distributed have progressive significance for improving the drying efficiency.
A gas introduction apparatus for a vacuum drying oven as shown in fig. 1 to 4, comprising: the drying box comprises a drying box body 1, a support 2, an inner container 3, an air outlet 30, a storage rack 31, a storage tray 32, an air cylinder 4, an inlet pipe assembly 5, a guide rod group 50, a connecting block 51, a cross connecting rod group 52, a first connecting rod 520, a second connecting rod 521, a third connecting rod 522, a fourth connecting rod 523, a vacuum pump 6, a nitrogen tank 7 and an air pipe 8.
Wherein drying cabinet body 1 adopts stainless steel material to make, and support 2 installs in the inside one side of drying cabinet body 1, and the fixed welding of inner bag 3 is in the inside of drying cabinet body 1, and one side of inner bag 3 towards support 2 is hollow out construction, and cylinder 4 fixed mounting is in one side of support 2, and the one end at cylinder 4 output is connected in the transmission of inlet tube subassembly 5, and inlet tube subassembly 5 up-and-down motion is carried gas to 3 one side of inner bag under the drive of cylinder 4.
An air outlet 30 is formed in the top of the inner container 3, the air outlet 30 extends out of the drying box body 1, one end of the outer side of the air outlet 30 is connected with a vacuum pump 6 through an air pipe 8, and air in the inner container 3 can be extracted.
The inlet pipe assembly 5 is communicated with a nitrogen tank 7 through an air pipe 8; a plurality of output branch pipes communicated with the air pipe 8 are arranged in the lead-in pipe assembly 5. And a safety valve and a pressure gauge are arranged on the air pipe 8 connecting the vacuum pump 6 and the nitrogen tank 7.
The inner container 3 is provided with a storage rack 31, and a plurality of storage trays 32 are inserted on the storage rack 31 and used for storing materials to be dried.
The intake pipe assembly 5 includes: a guide rod group 50 fixedly inserted on the support 2, a plurality of connecting blocks 51 sleeved on the guide rod group 50 and a plurality of cross connecting rod groups 52 fixedly connected on one side of the connecting blocks 51, one end of the cross connecting rod group 52 extends upwards to be fixedly connected with the output end of the air cylinder 4, the other end is fixedly arranged at one side of the support 2, the first connecting rod 520 and the second connecting rod 521 in the cross connecting group are symmetrically crossed, the crossed part of the first connecting rod 520 and the second connecting rod 521 is provided with a pin shaft for hinging, one end of the first connecting rod 520 and one end of the second connecting rod 521 are hinged on the support 2, the other ends of the first connecting rod 520 and the second connecting rod 521 are respectively hinged with the third connecting rod 522 and the fourth connecting rod 523, and the front and the rear connecting rods in the cross connecting group are sequentially and symmetrically crossed, the cross part is provided with a pin shaft hinge joint, and the hinge joints of the front and rear groups of connecting rods of the cross connecting rod group 52 are fixed on the connecting block 51 through the pin shaft.
The cross connecting rod group 52 makes telescopic motion on the guide rod under the action of the output end of the cylinder 4, so that the distance between the connecting blocks 51 is adjusted.
An air inlet hole and an air outlet hole are formed in the connecting block 51, the air inlet hole is connected with the conveying branch pipe, a nozzle is inserted into the air outlet hole, and the air outlet hole is communicated with the air inlet hole to spray out nitrogen distributed by the conveying branch pipe from the nozzle.
The working principle is as follows:
the staff closes the quick-witted chamber door after placing the material on putting thing dish 32, make drying cabinet body 1 be in encapsulated situation, open vacuum pump 6, extract the mouth gas in drying cabinet body 1 inner bag 3, open the relief valve of connection on nitrogen gas jar 7 when the drying cabinet is vacuum state, nitrogen gas passes through trachea 8 and gets into the transport branch pipe, inlet port and venthole are blowout from the nozzle at last, open cylinder 4 simultaneously, make cylinder 4 drive cross connection pole group 52 and do concertina movement, and then the interval between a plurality of connecting blocks 51 of adjustment connection in cross connection pole group 52 one side, reach the purpose of the distance between the adjustment nozzle at last, make its position that corresponds thing dish 32.
The utility model discloses a cylinder 4 drives the inlet tube subassembly 5 of installing in the drying cabinet and carries out the up-and-down motion, enlarges nitrogen gas motion range, more comprehensive abundant with put the object contact in the thing dish 32, shorten drying time, improve work efficiency.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be modified to perform various equivalent transformations, which all belong to the protection scope of the present invention.
Claims (6)
1. A gas introducing device for a vacuum drying oven is provided outside and inside the vacuum drying oven, and is characterized by comprising:
the drying box comprises a drying box body, a support arranged on one side inside the drying box body, an inner container sleeved inside the drying box body, an air cylinder fixedly arranged on one side of the support and an inlet pipe assembly in transmission connection with one side of the air cylinder;
an air outlet is formed in the top of the inner container, and one end of the air outlet is connected with a vacuum pump through an air pipe;
the inlet pipe assembly is communicated with a nitrogen tank through a gas pipe; a plurality of output branch pipes communicated with the air pipe are arranged in the lead-in pipe assembly.
2. The gas introducing device of claim 1, wherein a rack is disposed in the inner container, and a plurality of storage plates are inserted into the rack.
3. The gas introduction apparatus for a vacuum drying oven according to claim 1, wherein the introduction pipe assembly comprises: the guide rod group is fixedly inserted into the support, the guide rod group is sleeved with the connecting blocks and the cross connecting rod groups are fixedly connected to one side of the connecting blocks, one end of each cross connecting rod group is fixedly connected with the output end of the air cylinder, the other end of each cross connecting rod group is fixedly installed on one side of the support, the cross connecting rod groups do telescopic motion on the guide rods under the action of the output ends of the air cylinders, and then the distance between the connecting blocks is adjusted.
4. The gas introducing device for the vacuum drying oven according to claim 3, wherein the connecting block is provided with a gas inlet hole and a gas outlet hole, the gas inlet hole is connected with the delivery branch pipe, the gas outlet hole is inserted with a nozzle, and the gas outlet hole is communicated with the gas inlet hole to eject nitrogen gas delivered by the delivery branch pipe from the nozzle.
5. The gas introduction apparatus for a vacuum drying oven according to claim 1, wherein the gas pipe is provided with a safety valve and a pressure gauge.
6. The gas inlet device of claim 3, wherein the front and rear two groups of connecting rods in the cross-connecting group are sequentially and symmetrically crossed, the crossing point is provided with a pin hinge, and the hinge point of the front and rear two groups of connecting rods in the cross-connecting group is fixed on the connecting block through a pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020049075.XU CN211953468U (en) | 2020-01-10 | 2020-01-10 | Gas introducing device of vacuum drying oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020049075.XU CN211953468U (en) | 2020-01-10 | 2020-01-10 | Gas introducing device of vacuum drying oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211953468U true CN211953468U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020049075.XU Active CN211953468U (en) | 2020-01-10 | 2020-01-10 | Gas introducing device of vacuum drying oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211953468U (en) |
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2020
- 2020-01-10 CN CN202020049075.XU patent/CN211953468U/en active Active
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