CN215571636U

CN215571636U - Pulsation vacuum drying machine with self-locking sealing door

Info

Publication number: CN215571636U
Application number: CN202122113410.5U
Authority: CN
Inventors: 柴文权; 秦家峰
Original assignee: Changzhou Runbang Drying Equipment Technology Co ltd
Current assignee: Changzhou Runbang Drying Equipment Technology Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-01-18
Anticipated expiration: 2031-09-02

Abstract

The utility model belongs to the technical field of the technique of desiccator and specifically relates to a pulsation vacuum drying machine with from locking sealing door is related to, including the drying cabinet and with drying cabinet looks articulated chamber door, the chamber door is kept away from and is equipped with the latch segment with the one end of drying cabinet looks articulated position, the drying cabinet is close to the one end of latch segment is equipped with the latch bolt, the one end that the drying cabinet was kept away from to the latch segment is equipped with the check surface that is used for with the latch bolt butt, the one end that the check surface is close to the chamber door top surface is equipped with first reference limit, the one end that the chamber door top surface was kept away from to the check surface is equipped with second reference limit, the distance of first reference limit and chamber door outer wall is less than the distance of second reference limit and chamber door outer wall, be equipped with the drive assembly who is used for driving the latch bolt to remove along vertical direction on the drying cabinet. This application has the effect that the closing that makes the chamber door becomes simple swift, promotes the convenience that the drying cabinet used, and then promotes the drying efficiency of drying cabinet.

Description

Pulsation vacuum drying machine with self-locking sealing door

Technical Field

The application relates to the technical field of sealing doors, in particular to a pulsating vacuum drying machine with a self-locking sealing door.

Background

The vacuum drier is equipment widely used in raw material production, and can remove moisture in inner parts after air in a packaging container is pumped out to reach a preset vacuum degree, so that the effect of drying materials is achieved. In the vacuum drying process, the pressure in the machine is always lower than the atmospheric pressure, the number of gas molecules is small, the density is low, and the oxygen content is low, so that the medicine production which is easy to change in oxidizability can be dried, and the possibility of material contamination can be reduced.

Chinese patent No. CN208223005U discloses an automatic door closing type vacuum dryer, which comprises a drying oven and an oven door, wherein a vacuum pump, a heat source assembly and a heating assembly are arranged in the drying oven; lifting cylinders are arranged on two sides of the drying box, vertical lifting rods are coaxially fixed on piston rods of the lifting cylinders, a plurality of positioning pins are arranged on the lifting rods, connecting plates are arranged on the lifting rods, waist-shaped holes for the positioning pins to slide are formed in one sides of the connecting plates, and clamping plates for limiting box door movement are fixedly connected to the other sides of the connecting plates and are rotatably connected with the drying box; one side of the drying box facing the box door is provided with a sealing groove, and a sealing piece is arranged in the sealing groove.

For the related technologies, the inventor thinks that the door in the scheme can be locked only by manually pressing in place, which is troublesome.

SUMMERY OF THE UTILITY MODEL

In order to improve the comparatively troublesome problem of chamber door locking, this application provides a pulsation vacuum drying machine with from locking sealing door.

The application provides a pulsation vacuum drying machine with from locking sealing door adopts following technical scheme:

the utility model provides a pulsation vacuum drying machine with from locking sealing door, including the drying cabinet and with drying cabinet looks articulated chamber door, be equipped with locking device between chamber door and the drying cabinet, locking device includes latch segment and latch bolt, the one end of keeping away from with drying cabinet looks articulated position is located to the latch segment, the one end that the drying cabinet is close to the latch segment is located to the latch bolt, the one end that the drying cabinet was kept away from to the latch segment is equipped with the check surface that is used for with the latch bolt butt, the one end that the check surface is close to the chamber door top surface is equipped with first reference limit, the one end that the chamber door top surface was kept away from to the check surface is equipped with second reference limit, the distance of first reference limit and chamber door outer wall is less than the distance of second reference limit and chamber door outer wall, be equipped with on the drying cabinet and be used for driving the drive assembly that the latch bolt removed along vertical direction.

Through adopting above-mentioned technical scheme, when the chamber door was closed, drive assembly drove the latch bolt and removes along vertical direction, and the latch bolt is with the check lock face butt gradually and continue to remove towards first benchmark limit, and the latch bolt removes the in-process, and the latch segment moves towards the drying cabinet because of receiving the extrusion of latch bolt, and until the locking target in place, realized the locking of chamber door. Need not the manual door of pressing target in place for the locking of chamber door becomes simple swift, promotes the convenience that the drying cabinet used, and then promotes the drying efficiency of drying cabinet.

Optionally, the outer surface of the locking bolt is rotatably connected with a locking sleeve, and the locking sleeve is abutted to the locking surface.

Through adopting above-mentioned technical scheme, when the fitting pin removed along vertical direction, drive the lock sleeve and rotate. The mode of replacing sliding friction by rolling friction reduces the abrasion deformation of the locking bolt and prolongs the service life of the locking bolt; on the other hand, the resistance of the locking bolt moving upwards along the vertical direction is reduced.

Optionally, a moving groove is formed in one end, close to the locking block, of the drying box in the vertical direction, the locking sleeve is located in the moving groove, and the lowest point of the locking sleeve is lower than the top wall of the locking block when the locking sleeve abuts against the top wall of the moving groove.

Through adopting above-mentioned technical scheme, when the fitting pin removed along the shifting chute, the lock sleeve was all the time with the locking surface looks butt, has improved the problem that the fitting pin staggers each other in with the latch segment motion process.

Optionally, the driving assembly comprises a screw rod and a driving motor used for driving the screw rod to rotate, the screw rod is vertically arranged, and the screw rod is in threaded connection with the locking bolt.

Through adopting above-mentioned technical scheme, the chamber door is closed the in-process, thereby driving motor drive lead screw rotates and drives the fitting pin and remove along the shifting chute.

Optionally, the top surface of the box door is provided with a trigger block, one end of the drying box, which is close to the trigger block, is provided with a slide bar, a pressure sensor is arranged in the drying box, when the box door is closed, the bottom end of the slide bar is abutted against the trigger block, the top end of the slide bar is abutted against the pressure sensor, and the pressure sensor is electrically connected with the driving assembly.

By adopting the technical scheme, when the box door is closed, the trigger block pushes the sliding rod to move and triggers the pressure sensor, the pressure sensor sends an electric signal to the driving assembly, the driving assembly stops running after receiving the signal, and the possibility of damage to the box door caused by excessive locking of the box door is reduced.

Optionally, one end, away from the chamber door, of the trigger block is provided with a trigger surface, one end, close to the outer wall of the chamber door, of the trigger surface is provided with a third reference edge, one end, away from the outer wall of the chamber door, of the trigger surface is provided with a fourth reference edge, the distance between the third reference edge and the top surface of the chamber door is greater than the distance between the fourth reference edge and the top surface of the chamber door, and the trigger surface is abutted to the bottom end of the slide rod.

Through adopting above-mentioned technical scheme, the chamber door is closed the in-process, triggers the piece and removes towards the drying cabinet, triggers the face and moves with the slide bar butt gradually, and third benchmark limit machine is repaiied and is removed towards the drying cabinet afterwards, and until the slide bar triggers pressure sensor, pressure sensor gives drive assembly signals of telecommunication, and drive assembly stops the operation after receiving the signal, has reduced the chamber door and has taken place the possibility that the chamber door damaged because of excessive locking.

Optionally, a first sealing strip is arranged on the drying box, a second sealing strip is arranged at one end, facing the drying box, of the box door, and the first sealing strip is abutted to the second sealing strip.

Through adopting above-mentioned technical scheme, improved the chamber door on the one hand and closed the leakproofness after targetting in place, on the other hand, the chamber door is closed the in-process, and the sealing strip has absorbing effect, has reduced collision between chamber door and the drying cabinet and the extrusion that receives each other to reduce the strain degree in the desiccator use, increase the life of machine.

Optionally, the driving assembly includes an air cylinder, a piston rod of the air cylinder is connected with the locking bolt, and the piston rod of the air cylinder moves along the vertical direction.

Through adopting above-mentioned technical scheme, the chamber door is closed in-process, and the cylinder starts, and the piston rod moves along vertical direction to realize the function that the fitting pin removed along the shifting chute.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the locking block, the locking bolt, the locking surface and the driving assembly are arranged, so that the door of the box is closed. Need not the manual door of pressing target in place for closing of door becomes simple swift, promotes the convenience that the drying cabinet used, and then promotes the drying efficiency of drying cabinet.

2. Through the arrangement of the locking sleeve and the moving groove, on one hand, the abrasion deformation of the locking bolt is reduced, and the service life of the locking bolt is prolonged; on the other hand, the resistance of the locking bolt moving upwards along the vertical direction is reduced.

3. Through the setting of trigger block, slide bar and pressure sensor, be convenient for control the locking degree of chamber door, reduce the chamber door and appear the possibility of damaging because of locking excessively.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present application.

Fig. 2 is a partially enlarged schematic view at a in fig. 1.

Fig. 3 is a schematic diagram of the drive assembly and the locking device in embodiment 1 of the present application.

Fig. 4 is a partially enlarged schematic view at B in fig. 3.

Fig. 5 is a sectional view for embodying the positions of the positioning plate and the weather strip in embodiment 1 of the present application.

Fig. 6 is a partially enlarged schematic view at C in fig. 5.

Fig. 7 is a schematic diagram of a drive assembly used in embodiment 2 of the present application.

Fig. 8 is a schematic diagram for embodying a driving assembly in embodiment 3 of the present application.

Description of reference numerals: 1. a drying oven; 11. a baffle plate; 111. a moving groove; 12. mounting a plate; 121. an adjustment groove; 13. positioning a plate; 131. flanging; 14. a first seal strip; 2. a box door; 21. a second seal strip; 3. a locking mechanism; 31. a locking block; 311. a locking surface; 3111. a first reference edge; 3112. a second reference edge; 32. a locking bolt; 33. a locking sleeve; 34. a drive assembly; 341. a gear; 342. rotating the motor; 344. a cylinder; 343. a rack; 345. a screw rod; 346. a drive motor; 4. a control mechanism; 41. a trigger block; 411. a third reference edge; 412. a fourth reference edge; 42. a slide bar; 43. a pressure sensor; 431. a bolt; 432. and a nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

Example 1:

the application discloses a pulsation vacuum drying machine with self-locking sealing door. Referring to fig. 1, the pulse vacuum dryer includes a drying cabinet 1, a cabinet door 2, and a locking device. The drying box 1 is hinged with a box door 2, and the locking device comprises a locking mechanism 3 and a control mechanism 4. The locking mechanism 3 is used for achieving the purpose of locking the box door 2, and the control mechanism 4 can adjust the locking degree of the box door 2 according to the actual requirements of customers.

Referring to fig. 1 and 2, the locking mechanism 3 includes a locking block 31 and a locking pin 32. The locking block 31 is wedge-shaped and fixedly connected to one end of the door 2 far away from the hinged position of the drying box 1 and the door 2, the baffle 11 is welded to one end of the drying box 1 close to the door 2, the locking bolt 32 is slidably connected with the baffle 11, and the locking bolt 32 is rotatably connected with the locking sleeve 33. The end of the locking bolt 32 away from the drying box 1 is provided with a locking surface 311, and in this embodiment, the locking surface 311 is a plane. For convenience of description, one end of the locking surface 311 close to the top surface of the door 2 is provided with a first reference edge 3111, one end of the locking surface 311 away from the top surface of the door 2 is provided with a second reference edge 3112, a distance between the first reference edge 3111 and the outer wall of the door 2 is smaller than a distance between the second reference edge 3112 and the outer wall of the door 2, and a distance between the locking surface 311 and the outer wall of the door 2 is gradually increased from top to bottom. When the door 2 is closed, the locking bolt 32 moves along the vertical direction, and in the moving process, the locking sleeve 33 abuts against the locking surface 311 and pushes the door 2 to rotate towards the drying box 1 through the locking block 31 until the door 2 is locked in place.

Referring to fig. 2, the baffle 11 is provided with a moving groove 111 along the vertical direction, the moving groove 111 is waist-shaped, the locking bolt 32 is located in the moving groove 111, when the locking bolt 32 abuts against the top wall of the moving groove 111, the height of the lowest position of the locking sleeve 33 needs to be lower than the height of the top wall of the locking block 31, otherwise, the locking sleeve 33 is easily separated from the locking surface 311 in a staggered manner, which results in a loose locking condition of the box door 2.

Referring to fig. 3, the locking mechanism 3 further includes a drive assembly 34. The driving assembly 34 includes a gear 341 and a rotating motor 342 for driving the gear 341 to rotate, the rotating motor 342 is fixed in the baffle 11, one end of the locking bolt 32 far from the door 2 is fixedly connected with a rack 343, the rack 343 is engaged with the gear 341, and the rack 341 is vertically disposed in the box body of the drying box 1. When the door 2 is locked, the gear 341 is driven by the rotating motor 342 to rotate, the gear 341 drives the rack 343 to move towards the bottom wall of the baffle 11, the rack 343 drives the locking bolt 32 to move towards the bottom wall of the baffle 11, the locking sleeve 33 is abutted to the locking surface 311 in the moving process, and the locking surface 311 pushes the door 2 to rotate towards the drying box 1 until the door 2 is abutted to the drying box 1, so that the door 2 is locked.

Referring to fig. 4, the control mechanism 4 includes a trigger block 41, the trigger block 41 is fixedly connected to the top surface of the door 2, one end of the trigger block 41 away from the door 2 is a trigger surface, for convenience of description, a third reference edge 411 is disposed at one end of the trigger surface close to the outer wall of the door 2, a fourth reference edge 412 is disposed at one end of the trigger surface away from the outer wall of the door 2, a distance between the third reference edge 411 and the top surface of the door 2 is greater than a distance between the fourth reference edge 412 and the top surface of the door 2, and the distance between the trigger surface and the top surface of the door 2 is gradually decreased along the moving direction of the door 2.

Referring to fig. 4, the control mechanism 4 further includes a slide bar 42 and a pressure sensor 43. The pressure sensor 43 is electrically connected with the rotating motor 342, and the sliding rod 42 is fixedly connected with the trigger end of the pressure sensor 43. The drying cabinet 1 internal fixation has mounting panel 12, the last vertical direction of edge of mounting panel 12 has seted up adjustment tank 121, fixedly connected with bolt 431 on the pressure sensor 43, bolt 431 passes adjustment tank 121 to threaded connection has nut 432, the one end butt that pressure sensor 43 was kept away from to nut 432 and mounting panel 12, can adjust pressure sensor 43's relative height through the height that changes bolt 431 apart from 2 top surfaces of chamber door, thereby the locking degree of adjustment chamber door 2. Along with the rotation of the box door 2, the triggering block 41 pushes the sliding rod 42 to move upwards until the pressure sensor 43 is triggered, at this time, the pressure sensor 43 sends an electric signal to the rotating motor 342, the rotating motor 342 stops running, and the possibility that the box door 2 is damaged due to over locking is reduced.

Referring to fig. 5 and 6, when the door 2 is closed, except for the end hinged to the door 2, the remaining positions of the drying box 1 abutting against the door 2 are all fixedly connected with a positioning plate 13, one end of the positioning plate 13 close to the inner bin of the drying box 1 is turned over to form a turned edge 131, a first sealing strip 14 is fixed on the periphery close to each turned edge 131, and a second sealing strip 21 is fixedly connected to the end of the door 2 facing the drying box 1. When chamber door 2 is locked, first sealing strip 14 and second sealing strip 21 looks butt, and tight joint has improved chamber door 2 and has closed the leakproofness in the 1 box bodies of back drying cabinet that targets in place on the one hand, and on the other hand, the sealing strip still has the absorbing effect, has reduced chamber door 2 and has closed the collision between in-process chamber door 2 and drying cabinet 1 and the extrusion that receives each other to reduce the strain degree in the desiccator use, increase the life of machine.

The implementation principle of the embodiment 1 of the application is as follows: when the pulsation vacuum drying machine closes the box door 2, the box door 2 is manually pushed, so that the locking block 31 passes over the locking bolt 32, and the specific positions are as follows: it is desirable to ensure that the locking surface 311 on the locking block 31 passes over and abuts the locking bolt 32 when the locking bolt 32 is moved vertically. Then the rotating motor 342 is started, the rotating motor 342 drives the gear 341 to rotate, the gear 341 drives the rack 343 to move upwards, so that the locking bolt 32 moves upwards, the locking sleeve 33 gradually abuts against the locking surface 311, and the door 2 is pushed by the locking surface 311 to rotate towards the drying oven 1 until the first sealing strip 14 abuts against the second sealing strip 21. At this time, the trigger block 41 pushes the sliding rod 42 to move and triggers the pressure sensor 43, so that the pressure sensor 43 sends out a sensing signal, the rotation motor 342 stops running after receiving the signal, the locking bolt 32 is kept at the original position, and the locking of the box door 2 is completed.

Example 2:

the application also discloses a pulsation vacuum drying machine with from locking sealing door.

The present embodiment is different from embodiment 1 in that the structure of the drive unit 34 is different.

Referring to fig. 7, the driving assembly 34 includes a cylinder 344, the cylinder 344 is fixed in the cabinet of the drying cabinet 1 and is located below the locking bolt 32, a control valve of the cylinder 344 is electrically connected to the pressure sensor 43, one end of a piston rod of the cylinder 344 is connected to the locking bolt 32, and the piston rod of the cylinder 344 moves in a vertical direction.

The implementation principle of embodiment 2 of the application is as follows: when the door 2 is locked, the piston rod of the cylinder 344 extends to drive the locking bolt 32 to move upward, as described above. At this time, the trigger block 41 pushes the sliding rod 42 to move, and triggers the pressure sensor 43, so that the pressure sensor 43 sends a sensing signal to the control valve, the control valve is locked, the piston rod of the air cylinder 344 is in a stop state, the locking bolt 32 is kept in the original position, and the locking of the box door 2 is completed.

Example 3:

Referring to fig. 8, the driving assembly 34 includes a screw rod 345 and a driving motor 346 for driving the screw rod 345 to transmit, the driving motor 346 is fixed in the box of the drying box 1 and located above the locking bolt 32, the screw rod 345 is vertically arranged in the box of the drying box 1, and the screw rod 345 is rotatably connected with the locking bolt 32.

The implementation principle of embodiment 3 of the application is as follows: when the door 2 is locked, the driving motor 346 drives the lead screw 345 to rotate, and the lead screw 345 drives the locking bolt 32 to move upwards, as above. At this time, the trigger block 41 pushes the sliding rod 42 to move and triggers the pressure sensor 43, so that the pressure sensor 43 sends out a sensing signal, the driving motor 346 stops running after receiving the sensing signal, the locking bolt 32 is kept at the original position, and the locking of the box door 2 is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a pulsation vacuum drying machine with from locking sealing door, including drying cabinet (1) and with drying cabinet (1) looks articulated chamber door (2), its characterized in that: be equipped with locking device between chamber door (2) and drying cabinet (1), locking device includes latch segment (31) and latch bolt (32), the one end of keeping away from mutually articulated position with drying cabinet (1) is located chamber door (2) in latch segment (31), the one end that drying cabinet (1) is close to latch segment (31) is located in latch bolt (32), the one end that drying cabinet (1) was kept away from in latch segment (31) is equipped with latch surface (311) that are used for with latch bolt (32) butt, the one end that latch surface (311) are close to chamber door (2) top surface is equipped with first benchmark limit (3111), the one end that chamber door (2) top surface was kept away from in latch surface (311) is equipped with second benchmark limit (3112), the distance of first benchmark limit (3111) and chamber door (2) outer wall is less than the distance of second benchmark limit (3112) and chamber door (2) outer wall, be equipped with on drying cabinet (1) and be used for driving drive assembly (34) that drive latch bolt (32) removed along vertical direction.

2. The pulsating vacuum dryer with self-latching sealing door of claim 1, wherein: the locking bolt (32) outside surface rotates and is connected with lock sleeve (33), lock sleeve (33) and locking surface (311) butt.

3. The pulsating vacuum dryer with self-latching sealing door of claim 2, wherein: the drying cabinet is characterized in that a moving groove (111) is formed in one end, close to the locking block (31), of the drying cabinet (1) in the vertical direction, the locking sleeve (33) is located in the moving groove (111), and the height of the lowest point of the locking sleeve (33) is lower than that of the top wall of the locking block (31) when the locking sleeve (33) abuts against the top wall of the moving groove (111).

4. A pulsating vacuum dryer with self-latching sealing door as claimed in claim 3, wherein: the driving assembly (34) comprises a gear (341) and a rotating motor (342) for driving the gear (341) to rotate, a rack (343) is connected to the gear (341) in a meshed mode, the rack (343) is vertically arranged, and the rack (343) is fixedly connected with the locking bolt (32).

5. A pulsating vacuum dryer with self-latching sealing door as claimed in claim 3, wherein: the top surface of chamber door (2) is equipped with trigger block (41), the one end that drying cabinet (1) is close to trigger block (41) is equipped with slide bar (42), be equipped with pressure sensor (43) in drying cabinet (1), when chamber door (2) were closed, slide bar (42) one end and trigger block (41) looks butt, the slide bar (42) other end is connected with pressure sensor (43), pressure sensor (43) are connected with drive assembly (34) electricity.

6. The pulsating vacuum dryer with self-latching sealing door of claim 5, wherein: trigger block (41) and keep away from the one end of chamber door (2) and be equipped with the trigger face, the one end that the trigger face is close to chamber door (2) outer wall is equipped with third benchmark limit (411), the one end that chamber door (2) outer wall was kept away from to the trigger face is equipped with fourth benchmark limit (412), the distance between third benchmark limit (411) and chamber door (2) top surface is greater than the distance between fourth benchmark limit (412) and chamber door (2) top surface, when chamber door (2) were closed the trigger face was inconsistent with the bottom of slide bar (42).

7. The pulsating vacuum dryer with self-latching sealing door of claim 1, wherein: be equipped with first sealing strip (14) on drying cabinet (1), chamber door (2) are equipped with second sealing strip (21) towards the one end of drying cabinet (1), first sealing strip (14) and second sealing strip (21) looks butt.

8. A pulsating vacuum dryer with self-latching sealing door as claimed in claim 3, wherein: the driving assembly (34) comprises a cylinder (344), a piston rod of the cylinder (344) is connected with the locking bolt (32), and the piston rod of the cylinder (344) moves along the vertical direction.

9. The pulsating vacuum dryer with self-latching sealing door of claim 1, wherein: the driving assembly (34) comprises a screw rod (345) and a driving motor (346) for driving the screw rod (345) to transmit, the screw rod (345) is vertically arranged, and the screw rod (345) is in threaded connection with the locking bolt (32).