CN212457629U

CN212457629U - Freeze dryer wicket and freeze dryer

Info

Publication number: CN212457629U
Application number: CN202021076018.7U
Authority: CN
Inventors: 何国强; 郑自水
Original assignee: Austar Pharmaceutical Technology Equipment Nanjing Co ltd
Current assignee: Austar Pharmaceutical Technology Equipment Nanjing Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-02-02
Anticipated expiration: 2030-06-11

Abstract

The utility model provides a freeze dryer wicket and a freeze dryer, belonging to the technical field of freeze dryers, comprising an outer frame, a cantilever, a driving mechanism, a wicket body and a locking mechanism, wherein the outer frame is fixedly arranged on a wicket backing plate; the cantilever is in a strip-shaped structure, and one end of the cantilever is rotatably connected to the inner side wall opposite to the outer frame; the driving mechanism is fixedly arranged on the outer frame, is connected with one end of the cantilever and is used for driving the cantilever to rotate; the small door body is arranged in the outer frame, and is respectively fixedly connected with the other ends of the two cantilevers and used for plugging an opening on the small door base plate; locking mechanism locates on the bottom surface of frame for lock wicket body, the utility model provides a freeze dryer wicket through this kind of mode, rotates with the help of the cantilever and realizes that control wicket body rotates the opening confined purpose on the wicket backing plate to use locking mechanism to further lock the wicket body, simplified the mounting structure of wicket body, and improved the sealed effect of wicket body to the freeze dryer.

Description

Freeze dryer wicket and freeze dryer

Technical Field

The utility model belongs to the technical field of the freeze dryer, more specifically say, relate to a little door of freeze dryer and freeze dryer.

Background

In the prior art, the small door of the freeze dryer is directly opened and closed in a vertical lifting mode, the small door in the direct lifting mode bears steam sterilization pressure through a guide compression plate, the guide compression plate is locked by a large number of screws, the structure installation is complex, a guide gap cannot be cleaned, and the requirement on a clean room is not met; and the small door in the lifting form needs to adopt a double-sealing structure of a positive pressure inflating sealing ring and an O-shaped ring because of the gap of the guide pressing plate, the inflating sealing ring has high requirements on the precision of the sealing groove and the pressure of an air source, and air leakage is easily caused as long as the precision or the pressure of the air source is not in place. If steam leaks in the sterilization process, the steam leakage is a potential safety hazard to clean rooms and operators. The lift gate needs to process a plurality of workpieces such as double seal grooves, guide pressure plates and the like, and the processing cost is very high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a freeze dryer wicket and freeze dryer to solve the freeze dryer wicket installation that exists among the prior art comparatively complicated, and sealed effect poor technical problem.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a freeze dryer wicket comprising:

the outer frame is fixedly arranged on the small door base plate;

the cantilever is of a strip-shaped structure, and one end of the cantilever is rotatably connected to the inner side wall of the outer frame;

the driving mechanism is fixedly arranged on the outer frame, is connected with one end of the cantilever and is used for driving the cantilever to rotate;

the small door body is arranged in the outer frame, and is fixedly connected with the other ends of the two cantilevers respectively and used for plugging an opening on a small door base plate;

and the locking mechanism is arranged on the bottom surface of the outer frame and used for locking the wicket body.

As another embodiment of the present application, the number of the cantilevers is two, and the two cantilevers are respectively arranged on the two inner side walls opposite to the outer frame and fixedly connected with each other through a connecting shaft.

As another embodiment of this application, be equipped with two lugs on the wicket body, it is equipped with the lift axle to rotate on the other end of cantilever, the lift axle is kept away from the one end of cantilever with lug fixed connection.

As another embodiment of the present application, a through hole corresponding to the cantilever is provided on the outer frame, and the driving mechanism includes a motor and a coupling; the motor and the coupler are fixedly arranged on the outer side face of the outer frame and penetrate through the through hole to be connected with the cantilever.

As another embodiment of the present application, the locking mechanism includes:

one side of the positioning block is provided with a first positioning surface; the small door body is provided with a second positioning surface matched with the first positioning surface;

the first linear driver is fixedly arranged on the outer frame; the free end of the first linear driver is fixedly connected with the positioning block.

As another embodiment of the present application, the first positioning surface and the second positioning surface are both inclined surfaces.

As another embodiment of the present application, a notch is formed in the lower end of the small door body, and the notch has the second positioning surface and an installation surface for connecting with the upper end surface of the positioning block.

As another embodiment of the present application, the locking mechanism further includes:

the two clamping blocks are respectively arranged on the two opposite inner side walls of the outer frame and used for clamping the small door body; the clamping block is positioned below the cantilever;

the two second linear drivers are fixedly arranged on the outer frame and correspond to the two clamping blocks one by one; and the free end of each second linear driver is fixedly connected with the corresponding clamping block.

As another embodiment of the present application, the lyophilizer wicket further comprises:

the T-shaped sealing ring is arranged on the wicket backing plate and surrounds the opening on the wicket backing plate; and a sealing groove which is matched and connected with the T-shaped sealing ring is arranged on the small door base plate.

The utility model provides a little door of freeze dryer beneficial effect lies in: compared with the prior art, the utility model discloses freeze dryer wicket, frame fixed connection is on the wicket backing plate, and the opening on the wicket backing plate is located the frame, the one end that starts actuating mechanism control cantilever rotates, and then the other end of cantilever drives the wicket body and moves down and seal the opening on the wicket backing plate in the frame, start locking mechanism from frame bottom upward movement at last, and with the lateral surface contact of wicket body, realize the locking to the wicket body, through this kind of mode, realize with the help of the cantilever rotation that the wicket body of control rotates the opening confined purpose on the wicket backing plate, and use locking mechanism to lock the wicket body further, the mounting structure of wicket body has been simplified, and the sealed effect of wicket body to freeze dryer has been improved.

Another object of the present invention is to provide a freeze dryer, which comprises any one of the above-mentioned freeze dryer wicket.

The utility model provides a freeze dryer owing to adopted the freeze dryer wicket, consequently, rotates with the help of the cantilever and realizes that control wicket body rotates the opening confined purpose on the wicket backing plate to use locking mechanism to further lock the wicket body, simplified the mounting structure of wicket body, and improved the sealed effect of wicket body to freeze dryer.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a first schematic structural diagram of a small door of a freeze dryer provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram ii of a small door of a freeze dryer provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram three of a small door of a freeze dryer provided by an embodiment of the present invention;

fig. 4 is a cross-sectional view of a small door of a freeze dryer provided by an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1. an outer frame; 11. a coupling; 12. a motor; 2. a cantilever; 21. a connecting shaft; 22. a lift shaft; 3. a small door body; 31. lifting lugs; 32. a second positioning surface; 33. a notch; 4. a locking mechanism; 41. positioning blocks; 411. A first positioning surface; 42. a first linear driver; 43. a clamping block; 44. a second linear actuator; 5. A small door backing plate; 51. sealing the groove; 52. and (6) taking over.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. 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 to 4, the freeze dryer wicket provided by the present invention will now be described. A small door of a freeze dryer comprises an outer frame 1, a cantilever 2, a driving mechanism, a small door body 3 and a locking mechanism 4, wherein the outer frame 1 is fixedly arranged on a small door base plate 5; the cantilever 2 is in a strip-shaped structure, and one end of the cantilever 2 is rotatably connected to the opposite inner side wall of the outer frame 1; the driving mechanism is fixedly arranged on the outer frame 1, is connected with one end of the cantilever 2 and is used for driving the cantilever 2 to rotate; the small door body 3 is arranged in the outer frame 1, and the small door body 3 is respectively fixedly connected with the other ends of the two cantilevers 2 and used for plugging an opening on the small door backing plate 5; the locking mechanism 4 is provided on the bottom surface of the outer frame 1 for locking the wicket body 3.

The utility model provides a little door of freeze dryer, compared with the prior art, 1 fixed connection of frame is on little door backing plate 5, and the opening on little door backing plate 5 is located frame 1, the one end of starting actuating mechanism control cantilever 2 is rotated, and then the other end of cantilever 2 drives little door body 3 and moves down and seal the opening on little door backing plate 5 in frame 1, start locking mechanism 4 at last from 1 bottom upward movement of frame, and with the lateral surface contact of little door body 3, realize the locking to little door body 3, through this kind of mode, rotate with the help of cantilever 2 and realize that little door body 3 rotates the opening confined purpose on little door backing plate 5, and use locking mechanism 4 to lock little door body 3 further, the mounting structure of little door body 3 has been simplified, and the sealed effect of little door body 3 to freeze dryer has been improved.

A small door connecting pipe 52 correspondingly communicated with an opening on the small door backing plate 5 is arranged, and the small door connecting pipe 52 and the outer frame 1 are respectively welded on the back surface and the front surface of the small door backing plate 5; after the small door body 3 is lifted in a rotating mode, the small door base plate 5 is not blocked by a guide plate, so that the small door base plate is easy to clean and better meets the clean requirement of GMP.

Please refer to fig. 1 to 3, as the utility model provides a freeze dryer wicket's a specific implementation way, cantilever 2 is two, locate respectively on two relative inside walls of frame 1, through connecting axle 21 fixed connection between two cantilevers 2, wicket body 3 is horizontal cuboid structure, two cantilevers 2 are installed respectively on the relative both sides face of frame 1, and wicket body 3 installs back in frame 1, the other end of two cantilevers 2 is connected with wicket body 3's both ends respectively, consequently, can drive wicket body 3's both ends simultaneously and remove, ensure that wicket body 3 removes more steadily. The two cantilevers 2 are fixedly connected into a whole through the connecting shaft 21, so that when the driving mechanism is used for driving one cantilever 2 to rotate, the two cantilevers 2 can be simultaneously rotated through the connecting shaft 21, and the small door body 3 is lifted to open the opening on the small door base plate 5 or fall to close the opening on the small door base plate 5.

Please refer to fig. 1 to 4, as the utility model provides a freeze dryer wicket's a specific implementation way, be equipped with two lugs 31 on the wicket body 3, it is equipped with lifting shaft 22 to rotate on the other end of cantilever 2, lifting shaft 22 keeps away from the one end and the lug 31 fixed connection of cantilever 2, set up two lugs 31 of integrated into one piece on wicket body 3, and be located the both ends of wicket body 3 up end respectively, through rotating lifting shaft 22 of connecting at the cantilever 2 other end, lifting shaft 22's axial direction is perpendicular with the length direction of cantilever 2, link together cantilever 2 and wicket body 3. When the driving mechanism is started to control the cantilever 2 to rotate, the other end of the cantilever 2 drives the lifting shaft 22 to rotate in an upward or downward translational manner, and then the opening of the small door body 3 is opened or closed. Through the both ends of lifting shaft 22 respectively with cantilever 2 rotate be connected, with lug 31 fixed connection, when rotating cantilever 2, little door body 3 is in vertical direction all the time, when lifting shaft 22 goes up and down along with cantilever 2, lifting shaft 22 and little door body 3 can keep vertical and direct, complete and little door backing plate 5 contact under the dead weight effect, and then be connected with the better laminating of little door backing plate 5, can guarantee that the opening sealing performance on little door backing plate 5 is better. Particularly, after the sealing ring is arranged on the small door base plate 5, the small door body 3 and the small door base plate 5 are parallel and directly pressed on the sealing ring. The lifting shaft 22 and the lifting lug 31 are connected by screws.

The running track of the small door body 3 keeps the vertical direction, thus saving the space of a clean room at the front opening of the freeze dryer and shortening the distance of the automatic feeding and discharging device. The freeze dryer is more convenient to be butted with the automatic feeding and discharging through the small door body 3.

Referring to fig. 1 to 3, as a specific embodiment of the small door of the freeze dryer provided by the present invention, a through hole corresponding to the cantilever 2 is provided on the outer frame 1, and the driving mechanism includes a motor 12 and a coupling 11; motor 12 and shaft coupling 11 are fixed to be set up on the lateral surface of frame 1 and pass the through-hole and be connected with cantilever 2, fix shaft coupling 11 and motor 12 on the lateral surface of frame 1, cantilever 2 rotates to be connected on 1 medial surface of frame, serve at cantilever 2 and set up the transmission portion of passing through-hole and shaft coupling 11 to be connected, starter motor 12, motor 12's output shaft passes through shaft coupling 11 drive transmission portion and cantilever 2 and rotates around the through-hole, and then realize the upset lift to wicket body 3. The driving of the cantilever 2 by the motor 12 is realized by the coupler 11, so that the cantilever 2 can rotate more stably, the vibration in the transmission process is reduced, and the noise is also reduced.

Referring to fig. 1 to 4, as a specific embodiment of the small door of the freeze dryer provided by the present invention, the locking mechanism 4 includes a positioning block 41 and a first linear actuator 42, and a first positioning surface 411 is disposed on one side of the positioning block 41; the small door body 3 is provided with a second positioning surface 32 matched with the first positioning surface 411; the first linear driver 42 is fixedly arranged on the outer frame 1; the free end of the first linear driver 42 is fixedly connected with the positioning block 41, after the driving mechanism moves the wicket body 3 to seal the opening on the wicket base plate 5 by means of the cantilever 2, the first linear driver 42 is started to control the positioning block 41 to move upwards, so that the first positioning surface 411 on the positioning block 41 is matched and spliced with the second positioning surface 32 of the wicket body 3, the wicket body 3 is limited, the wicket body 3 is prevented from moving, the stability of the wicket body 3 can be further ensured by the mode, and the sealing effect of the wicket of the freeze dryer is improved. A connecting hole is formed in the side face of the outer frame 1, and the positioning block 41 is in sliding fit with the connecting hole. The first linear driver 42 may employ an electric push rod or an air cylinder. The positioning blocks 41 and the first linear drivers 42 are arranged in a plurality and uniformly distributed on the bottom surface of the outer frame 1, and are used for limiting and fixing the small door body 3 together. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 3 and 4, as a specific embodiment of the small door of the freeze dryer provided by the present invention, the first positioning surface 411 and the second positioning surface 32 are both inclined surfaces, and are joined together by means of the two inclined surfaces, which facilitates the movement of the positioning block 41 to make the first positioning surface 411 slide along the second positioning surface 32, so that the positioning block 41 can be inclined downward by the acting force from the small door body 3; and the inclined surface also reduces the volumes of the positioning block 41 and the small door body 3, and the space occupied by the matching installation of the positioning block 41 and the small door body 3 cannot be increased.

Please refer to fig. 3 and 4, as a specific embodiment of the small door of the freeze dryer provided by the present invention, the lower end of the small door body 3 is provided with a notch 33, the notch 33 has a second positioning surface 32 and a mounting surface for connecting with the upper end surface of the positioning block 41, the second positioning surface 32 is disposed on the vertical surface of the notch 33, the positioning block 41 moves upwards to make the first positioning surface 411 and the second positioning surface 32 mounted together in a matching manner, the upper end surface of the positioning block 41 abuts against the horizontal top surface of the notch 33, the positioning block 41 occupies the position of the notch 33, and the limit fixation of the small door body 3 is realized. The upper end surface of the positioning block 41 is inclined upwards from inside to outside, and acts on the small door body 3 again in the moving process of the positioning block 41, so that the small door body 3 can more tightly seal the opening of the small door cushion plate 5. This form ensures that steam does not leak during sterilization, ensuring personnel and clean room safety. The pressing mode of the cylinder driving positioning block 41 is simple to control and easy to maintain. The positioning block 41 may be a pin, and the positioning surface is disposed on the outer side surface of the pin.

Referring to fig. 1 to 3, as a specific embodiment of the small door of the freeze dryer provided by the present invention, the locking mechanism 4 further includes two clamping blocks 43 and a second linear actuator 44, the two clamping blocks 43 are respectively disposed on two inner side walls of the outer frame 1, and are used for clamping the small door body 3; the clamping block 43 is located below the cantilever 2; the number of the second linear drivers 44 is two, the second linear drivers are fixedly arranged on the outer frame 1 and correspond to the two clamping blocks 43 one by one; the free end of each second linear driver 44 is fixedly connected with the corresponding clamping block 43, and the two second linear drivers 44 are started to control the two clamping blocks to move towards the small door body 3 on the two sides of the small door body 3 respectively, so that the small door body 3 is clamped and positioned, and the stability of the small door body 3 is further improved. The side surface arranged on the outer frame 1 is provided with a connecting hole, and the clamping block is in sliding fit with the connecting hole. The first linear driver 42 may employ an electric push rod or an air cylinder.

Referring to fig. 4, as a specific embodiment of the small door of the freeze dryer provided by the present invention, the small door of the freeze dryer further includes a T-shaped sealing ring, which is installed on the small door backing plate 5 and surrounds the opening on the small door backing plate 5; be equipped with on the wicket backing plate 5 and cooperate the sealed slot 51 of being connected with T type sealing washer, set up on wicket backing plate 5 and encircle open-ended sealed slot 51 to use T type sealing washer to install into sealed slot 51, when driving cantilever 2 through actuating mechanism and rotating, and then drive wicket body 3 and move down and seal the opening on the wicket backing plate 5, wicket body 3 presses on T type sealing washer, and then realizes 5 open-ended good sealings to wicket backing plate. The T-shaped sealing ring can still be fully contacted with the inner wall of the sealing groove 51 under the extrusion of the small door body 3, so that the stability of the sealing groove is kept, and the sealing performance is ensured not to be lost. The T-shaped sealing ring is simple in structure, the sealing groove 51 is easy to process, the contact area is large, the sealing performance is good, the freeze dryer can reach a vacuum performance index, compressed air does not need to be connected independently, the T-shaped sealing ring is the same as a door sealing ring of the freeze dryer, independent processing is not needed, and a large amount of cost is saved.

The freeze dryer wicket also comprises a signal switch device, the signal switch device comprises two adjusting supports, a signal switch, a sleeve and a signal plate, and the two adjusting supports are oppositely arranged at intervals and are respectively used for being fixed on the wicket base plate; the two adjusting brackets are used for being arranged on two sides of the rotating shaft of the small door; the number of the signal switches is two, and the signal switches are respectively fixed on the two adjusting brackets; the two signal switches are positioned between the two adjusting brackets; the sleeve is sleeved on the wicket rotating shaft and is fixedly connected with the wicket rotating shaft; the signal plate is fixedly arranged on the outer side surface of the sleeve. When the device is used, the two adjusting brackets are fixedly arranged on the small door base plate in advance and positioned at two sides of the small door rotating shaft, and then the two signal switches are respectively fixed on the two adjusting brackets and correspond to each other; the sleeve is sleeved on the small door rotating shaft, and the signal plate is fixed on the outer side face of the sleeve; when the staff opens the freeze dryer wicket, the back is opened completely to the wicket, sleeve and signal board rotate along with the wicket rotation axis, make signal board and a signal switch contact and signals, when the staff closes the freeze dryer wicket, the back is closed completely to the wicket, sleeve and signal board rotate along with wicket rotation axis antiport, make signal board and another signal switch contact and signals, the rotation of wicket is with the help of the wicket rotation axis, sleeve and signal board correspond with two signal switches, and confirm the opening and the closed state of wicket by signal switch signals, through this kind of mode, signal switch's installation procedure has been reduced, and adjust support and signal switch and all be located the wicket backing plate, do not influence the outward appearance of whole wicket.

Not shown in the figure, the embodiment of the utility model provides a freeze dryer is still provided, and the freeze dryer includes the little door of arbitrary foretell freeze dryer.

The utility model provides a freeze dryer has adopted foretell freeze dryer wicket, consequently, rotates with the help of cantilever 2 and realizes that control wicket body 3 rotates the open-ended purpose on with wicket backing plate 5 to use locking mechanism 4 to further lock wicket body 3, simplified wicket body 3's mounting structure, and improved the sealed effect of wicket body 3 to freeze dryer.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The small door of the freeze dryer is characterized by comprising

The outer frame is fixedly arranged on the small door base plate;

2. The freeze dryer wicket of claim 1, wherein there are two cantilevers respectively disposed on two opposite inner sidewalls of the outer frame, and the two cantilevers are fixedly connected to each other by a connecting shaft.

3. The freeze dryer wicket of claim 2, wherein the wicket body is provided with two lifting lugs, the other end of the cantilever is rotatably provided with a lifting shaft, and one end of the lifting shaft far away from the cantilever is fixedly connected with the lifting lugs.

4. The freeze dryer wicket of claim 1, wherein the outer frame has a through hole corresponding to the cantilever, and the driving mechanism includes a motor and a coupling; the motor and the coupler are fixedly arranged on the outer side face of the outer frame and penetrate through the through hole to be connected with the cantilever.

5. The lyophilizer wicket of claim 1, wherein said locking mechanism comprises:

6. The lyophilizer door of claim 5, wherein said first locating surface and said second locating surface are both inclined surfaces.

7. The freeze dryer wicket of claim 5, wherein the wicket body has a notch at a lower end thereof, the notch having the second locating surface and a mounting surface for coupling with an upper end surface of the locating block.

8. The lyophilizer door of claim 5, wherein said locking mechanism further comprises:

9. The lyophilizer door of claim 1, further comprising:

10. A freeze dryer comprising a freeze dryer door according to any one of claims 1 to 9.