阅读说明：本技术 一种多通道丝杆驱动冻存管管盖操作单元 (Multichannel lead screw drive freezes deposits tub pipe cap operating unit ) 是由 陈皓 杨开琳 于 2021-07-28 设计创作，主要内容包括：本发明涉及生物药品生产技术领域,具体为一种多通道丝杆驱动冻存管管盖操作单元,包括安装支架,所述安装支架的正面安装有单元运动Z轴电缸,所述一号板运动电缸上安装有一号板,所述三号板运动电缸上安装有三号板,所述单元安装底板上且与一号板和三号板之间设置有二号板,所述一号板上阵列安装有转轴,所述二号板上安装有单通道组件,通过该操作单元具有高效率,单次实现最多96通道冻存管开关盖；整机结构简单、紧凑,单一驱动机构设计实现了多轴的同步旋转；相比多级/多层齿轮系驱动结构,大大降低安装、修配难度,大大降低加工成本,避免齿轮系长期工作后间隙增大带来的失步问题；可进一步优化单元空间,适合全自动系统紧凑空间安装。(The invention relates to the technical field of biological medicine production, in particular to a multichannel screw rod driving cryopreservation tube cap operation unit which comprises an installation support, wherein a unit movement Z-axis electric cylinder is installed on the front surface of the installation support, a first plate is installed on the first plate movement electric cylinder, a third plate is installed on the third plate movement electric cylinder, a second plate is arranged on a unit installation bottom plate and between the unit installation bottom plate and the first plate and the third plate, a rotating shaft is installed on the first plate in an array mode, a single-channel assembly is installed on the second plate, and the operation unit has high efficiency and can realize the opening and closing of a cryopreservation tube with at most 96 channels at a time; the whole machine has simple and compact structure, and the single driving mechanism design realizes the synchronous rotation of multiple shafts; compared with a multi-stage/multi-layer gear train driving structure, the gear train driving structure has the advantages that the mounting and repairing difficulty is greatly reduced, the processing cost is greatly reduced, and the step-out problem caused by the increase of gaps after the gear train works for a long time is avoided; the unit space can be further optimized, and the method is suitable for compact space installation of a full-automatic system.)

1. The utility model provides a multichannel lead screw drive freezes deposits tub pipe cap operating unit, includes installing support (1), its characterized in that: the freezing storage device is characterized in that a unit movement Z-axis electric cylinder (2) is installed on the front face of the mounting support (1), a unit mounting bottom plate (3) is installed on the unit movement Z-axis electric cylinder (2), a plate movement electric cylinder (4) is installed on the left side of the front face of the unit mounting bottom plate (3), a plate movement electric cylinder (5) is installed on the right side of the front face of the unit mounting bottom plate (3), a plate (6) is installed on the plate movement electric cylinder (4), a plate (7) is installed on the plate movement electric cylinder (5), a plate (8) is arranged on the unit mounting bottom plate (3) and between the plate (6) and the plate (7), a freezing storage pipe (9) is arranged on the front side of the bottom of the unit mounting bottom plate (3), a freezing storage pipe (10) is placed on the end portion of the freezing storage pipe support plate (9), a rotating shaft (11) is installed on the plate (6) in an array manner, and a single-channel component (12) is arranged on the second plate (8).

2. The multi-channel screw-driven cryopreserved pipe cap operating unit of claim 1, wherein: the single-channel assembly (12) comprises a screw rod shaft (13), a bearing seat (14), an ejector rod (15), a clamping structure (16), a limiting nut (17), a spring snap ring (18), a buffer spring (19) and a tightening head (20), a clamping structure (16) is arranged in the middle of the inner part of the screw rod shaft (13), the inside of the screw rod shaft (13) is provided with an ejector rod (15) through a clamping structure (16), a bearing seat (14) is arranged on the upper side of the screw shaft (13), a limit nut (17) is arranged at the upper end of the ejector rod (15), a spring snap ring (18) is arranged on the outer wall of the ejector rod (15) and positioned at the lower side of the screw rod shaft (13), the lower end of the ejector rod (15) is provided with a tightening head (20), and a buffer spring (19) is arranged on the outer wall of the ejector rod (15) and located between the spring snap ring (18) and the tightening head (20).

3. The multi-channel screw-driven cryopreserved pipe cap operating unit of claim 2, wherein: the ejection rod (15) is positioned in the screw rod shaft (13) and can freely move up and down, and the tightening head (20) is matched with the pipe cover in a height self-adaptive manner in the operation process by being matched with the buffer spring (19).

4. The multi-channel screw-driven cryopreserved pipe cap operating unit of claim 1, wherein: 96 nut structures are arranged on the first number plate (6) in an array mode, and the screw rod shaft (13) is matched with the nut structures of the first number plate (6) to achieve rotary motion.

5. The multi-channel screw-driven cryopreserved pipe cap operating unit of claim 2, wherein: the upper end of the ejection rod (15) is connected with the third plate (7) through a limiting nut (17).

6. The multi-channel screw-driven cryopreserved pipe cap operating unit of claim 2, wherein: the screw shaft (13) is connected with the second plate (8) through a bearing seat (14) and a rotating shaft (11).

7. The multi-channel screw-driven cryopreserved pipe cap operating unit of claim 2, wherein: the head of the tightening head (20) is designed into a profile rounding structure.

Technical Field

The invention relates to the technical field of biological medicine production, in particular to a multi-channel screw rod driving freezing storage tube cap operation unit.

Background

The opening and closing of the cryopreservation pipe cover is a key link in the production process of biological medicines, the cryopreservation pipe cover is used on a large scale in research and development and production stages, the cryopreservation pipe cover needs to be unscrewed and screwed in a large batch in parallel by a proper rotating head, the yield of the biological medicines is directly influenced by the efficiency of the cryopreservation pipe cover, and the reliability of the whole production process is directly influenced by the reliability of the cryopreservation pipe cover. In the current production process, a large number of manual operation modes are used, so that the personnel cost is high, and the operation efficiency is low. The imported product realizes 8-channel and 96-channel operation modules, generally adopts a multi-layer/multi-stage gear train structure or a belt gear structure, has high complexity, high cost and large volume, and is easy to form asynchronization and desynchronization among different shafts. The invention aims to realize batch operation of 96 freezing tubes by a novel parallel screw rod structure. Meanwhile, the complexity of the motion structure of the unit is greatly reduced, the cost is effectively optimized, and the failure probability in the operation process of the module is greatly reduced, so that the problem is improved by a multi-channel screw rod driving freezing storage pipe cap operation unit.

Disclosure of Invention

The invention aims to provide a multi-channel screw rod driving freezing tube cap operation unit to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a multichannel lead screw drive freezes deposits tub pipe cap operating unit, includes the installing support, unit motion Z axle electric jar is installed in the front of installing support, install unit mounting plate on the unit motion Z axle electric jar, unit mounting plate's front left side is installed a board motion electric jar, No. three board motion electric jars are installed on unit mounting plate's front right side, install a board on the board motion electric jar, install No. three boards on the board motion electric jar, be provided with No. two boards on the unit mounting plate and between a board and No. three boards, unit mounting plate's bottom front side is provided with freezes deposits tub support plate, the tip array of freezing deposits the tub support plate has been placed and has been frozen and deposit the pipe, No. one board is gone up the array and is installed the pivot, install the single channel subassembly on No. two boards.

As a preferable scheme of the present invention, the single-channel assembly includes a screw shaft, a bearing seat, an ejector rod, a clamping structure, a limit nut, a spring clamp ring, a buffer spring, and a tightening head, the clamping structure is disposed in the middle of the inside of the screw shaft, the ejector rod is mounted in the screw shaft through the clamping structure, the bearing seat is mounted on the upper side of the screw shaft, the limit nut is disposed at the upper end of the ejector rod, the spring clamp ring is disposed on the outer wall of the ejector rod and located on the lower side of the screw shaft, the tightening head is disposed at the lower end of the ejector rod, and the buffer spring is disposed on the outer wall of the ejector rod and located between the spring clamp ring and the tightening head.

As a preferable scheme of the invention, the ejection rod is positioned in the screw rod shaft and can freely move up and down, and the screwing head and the pipe cover are in height self-adaptive fit in the operation process by matching with the buffer spring.

As a preferable scheme of the present invention, 96 nut structures are arranged in an array on the first number plate, and the screw shaft is matched with the nut structures of the first number plate to realize a rotational motion.

As a preferable scheme of the invention, the upper end of the ejection rod is connected with a third plate through a limiting nut.

As a preferable scheme of the invention, the screw shaft is connected with the second plate through the bearing seat and the rotating shaft.

As a preferred aspect of the present invention, the tightening head is designed to have a rounded profile.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the pipe cover is tightly clamped by inserting the arranged tightening head into the freezing pipe cover; the extension and the shortening of the tightening head in the up-down extrusion process in the processes of opening and closing the cover are realized through the arranged buffer spring; the screw rod shaft is matched with a nut structure of a first number plate to realize rotary motion; the small friction rotation of the screw shaft can be guaranteed through the arranged bearing seat; after the cover closing operation is finished through the arranged ejection rod, the freezing tube cap is ejected out; the ejector rod is fixed through the arranged limiting nut.

2. In the invention, through the matching motion of the screw rod shaft and a first number plate, the linear motion of a main driving part is converted into the rotary motion of 96-channel rotating shafts, so that the 96 rotating shafts synchronously rotate clockwise or anticlockwise, and the operation of opening and closing the cover is realized; the working heads are arranged on the unit movement Z-axis electric cylinder, so that the unified alignment of 96 tightening heads of the working heads and the freezing storage pipe in the orifice plate and the accompanying movement in the cover opening and closing operation processes are realized; the single-channel assembly through the array can separate the tightening head from the cap of the cryopreservation pipe after the cap is unscrewed and screwed down, and the head of the tightening head is designed into a profile rounding structure to realize effective clamping matching of the tightening head and the cap of the cryopreservation pipe and guide in the inserting and extracting process.

3. According to the invention, the operation unit has high efficiency, and the opening and closing of the tube can be frozen and stored at most 96 channels at a time; the whole machine has simple and compact structure, and the single driving mechanism design realizes the synchronous rotation of multiple shafts; compared with a multi-stage/multi-layer gear train driving structure, the gear train driving structure has the advantages that the mounting and repairing difficulty is greatly reduced, and the processing cost is greatly reduced; compared with a multi-stage/multi-layer gear train driving structure, the step-out problem caused by the increase of the clearance after the gear train works for a long time is avoided; compared with a multi-stage/multi-layer gear train driving structure, the unit space can be further optimized, and the device is suitable for compact space installation of a full-automatic system.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a single pass assembly of the present invention;

FIG. 3 is a detailed structural diagram of the motion implementation of the present invention;

FIG. 4 is a schematic view of the tightening head structure of the present invention.

In the figure: 1. mounting a bracket; 2. a unit movement Z-axis electric cylinder; 3. a unit mounting base plate; 4. a plate motion electric cylinder; 5. a third plate motion electric cylinder; 6. a first board; 7. a third plate; 8. a second plate; 9. freezing and storing the tube support plate; 10. freezing and storing the tube; 11. a rotating shaft; 12. a single channel assembly; 13. a screw shaft; 14. a bearing seat; 15. ejecting the rod; 16. a clamping structure; 17. a limit nut; 18. a snap ring; 19. a buffer spring; 20. and (5) tightening the head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a multichannel lead screw drive freezes deposits tub pipe lid operating unit, including installing support 1, unit motion Z axle electric jar 2 is installed in the front of installing support 1, install unit mounting plate 3 on the unit motion Z axle electric jar 2, unit mounting plate 3's front left side is installed one number board motion electric jar 4, unit mounting plate 3's front right side is installed three number board motion electric jars 5, install a number board 6 on the board motion electric jar 4, install three number board 7 on the three number board motion electric jar 5, unit mounting plate 3 go up and be provided with No. two boards 8 between 6 and No. three board 7 with one, the bottom front side of unit mounting plate 3 is provided with freezes deposits tub support plate 9, the tip array of freezing deposit tub support plate 9 has placed freezes deposits tub 10, the array is installed pivot 11 on No. 6, install single channel subassembly 12 on No. two boards 8.

In an embodiment, referring to fig. 2, 3 and 4, the single-channel assembly 12 includes a screw shaft 13, a bearing seat 14, an ejector rod 15, a clamping structure 16, a limit nut 17, a spring snap ring 18, a buffer spring 19 and a tightening head 20, the clamping structure 16 is disposed in the middle of the inside of the screw shaft 13, the ejector rod 15 is mounted in the screw shaft 13 through the clamping structure 16, the bearing seat 14 is mounted on the upper side of the screw shaft 13, the limit nut 17 is disposed at the upper end of the ejector rod 15, the spring snap ring 18 is disposed on the outer wall of the ejector rod 15 and located on the lower side of the screw shaft 13, the tightening head 20 is disposed at the lower end of the ejector rod 15, the buffer spring 19 is disposed on the outer wall of the ejector rod 15 and located between the spring snap ring 18 and the tightening head 20, and the tube cap is inserted into the cryopreserved tube cap through the disposed tightening head 20 to realize tube cap clamping; the extension and the shortening of the tightening head 20 in the up-down extrusion process in the processes of opening and closing the cover are realized through the arranged buffer spring 19; the screw shaft 13 is matched with a nut structure of a first number plate 6 to realize rotary motion; the small friction rotation of the screw shaft 13 can be guaranteed through the arranged bearing seat 14; the cap of the freezing tube 10 is ejected after the cap closing operation is finished through the arranged ejection rod 15; the ejector rod 15 is fixed by a limiting nut 17.

In the embodiment, referring to fig. 1, 2, 3 and 4, the ejector rod 15 is embedded in the screw rod shaft 13 and can freely move up and down, the buffer spring 19 is matched to realize the height adaptive matching of the tightening head 20 and the pipe cover in the operation process, 96 nut structures are arranged on the first plate 6 in an array mode, the screw rod shaft 13 is matched with the nut structure of the first plate 6 to realize the rotary motion, the upper end of the ejector rod 15 is connected with the third plate 7 through the limiting nut 17, the screw rod shaft 13 is connected with the second plate 8 through the bearing seat 14 and the rotating shaft 11, the head of the tightening head 20 is designed into a profile rounding structure, the linear motion of a main driving part is converted into the rotary motion of the 96 channel rotating shaft 11 through the matching motion of the screw rod shaft 13 and the first plate 6, so that the 96 rotating shafts 11 synchronously rotate clockwise or counterclockwise to realize the operation of opening and closing the cover; the working heads are arranged on the unit movement Z-axis electric cylinder 2, so that the uniform alignment of 96 tightening heads 20 of the working heads and the freezing pipes 10 in the orifice plate and the accompanying movement in the cover opening and closing operation process are realized; the single pass assembly 12 through the array will separate the tightening head 20 from the cap of the vial 10 after the cap is unscrewed and tightened, and the effective gripping engagement of the tightening head 20 with the cap of the vial 10, as well as guiding during insertion and extraction, is achieved by the design of the head of the tightening head 20 as a contoured radius.

The working principle is as follows: when in use, the mounting bracket 1 is used for mounting the whole unit on an automation system; the unit movement Z-axis electric cylinder 2 is used for up-and-down movement of the working head to realize contact alignment of the rotating shaft 11 and the freezing pipe cover; the first plate moving electric cylinder 4 drives the first plate 6 to move up and down, and the linear motion of the first plate 6 is converted into the rotary motion of the array rotating shaft 11; realizing the key movement of opening and closing the cover, and realizing the locking of the rotary motion of the rotating shaft 11 after the upper and lower positions are fixed; the third plate moving electric cylinder 5 drives the third plate 7 to move up and down, so that the array tube cover of the freezing tube 10 is separated from the rotating shaft 11; the unit mounting bottom plate 3 is used for mounting a working head on the unit movement Z-axis movement electric cylinder 2 and driving the Z-axis movement of the working head; the first plate 6 realizes the conversion from linear motion to rotary motion through the matching of a screw rod shaft 13 and a nut structure on the plate, and the parallel rotation of the 96-channel rotating shaft 11 is realized through 96 array nut structures on the plate; the second plate 8 is fixed on the unit installation bottom plate 3, so that the installation and fixation of the motion structure and the auxiliary structure on the first plate 6 and the third plate 7 are realized, and the installation and the guide of the rotating shaft 11 of the first plate 6 and the pipe cap detachment guide rod of the third plate 7 are realized; the third plate 7 realizes the installation of the pipe cap stripping guide rod array, and is driven by an electric cylinder to move up and down linearly so as to realize the stripping operation; array of the rotating shafts 11: the cover opening and closing operation of 96 freezing pipes 10 is realized in parallel; the second plate 8 is fixed, the first plate 6 moves up and down to drive the screw shaft 13 to rotate, linear motion is converted into rotary motion, the ejector rod 15 is driven to rotate through the clamping structure 16 of the screw shaft 13 and the ejector rod 15, the ejector rod 15 drives the tightening head 20 to rotate to realize the operations of opening and closing the cover, the ejector rod 15 is embedded in the screw shaft 13 and can freely move up and down, and the tightening head 20 is matched with the pipe cover in a height self-adaptive mode in the operation process by matching with the buffer spring 19;

and (3) uncovering the whole process operation flow:

step # 1: returning a unit Z-axis electric cylinder, a first plate electric cylinder and a second plate electric cylinder to the Home position;

step # 2: the unit Z-axis electric cylinder drives the working head to move downwards, and the tightening head 20 is effectively inserted into the pipe cover of the cryopreservation pipe;

step # 3: the first dial 6 moves upwards or downwards to realize the uncovering operation of the tightening head 20;

step #4, a Z-axis electric cylinder of the unit drives the working head to move upwards to realize the separation of the pipe cover;

closing the cover and performing the whole process operation flow:

step # 1: the unit Z-axis electric cylinder drives the working head to move downwards, and a pipe cover hung on the tightening head 20 is contacted with the pipe body;

step # 2: the first plate 6 moves upwards or downwards to realize the cover closing rotation of the tightening head 20, and the Z-axis electric cylinder follows up to realize the screwing-in of the pipe cover;

step # 3: after the pipe cover is screwed in, the third plate electric cylinder drives the ejection rod 15 to move downwards and is matched with the Z-axis electric cylinder to move downwards to eject the pipe cover;

step #4: the third plate electric cylinder drives the ejector rod 15 to move upwards, and the ejector rod 15 is retracted;

and Step #5, driving the working head to move upwards by the unit Z-axis electric cylinder to realize the separation of the pipe cover.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.