A sealing device that can automatically identify tube types and accommodate various test tube racks.

By designing a blood collection tube sealing device that can automatically identify tube types and adapt to various test tube racks, the problems of low efficiency of manual capping and poor adaptability of automated equipment have been solved, realizing automated sealing of test tube racks of various specifications and improving sealing safety and efficiency.

CN122078709APending Publication Date: 2026-05-26CONSMET (SHANGHAI) BIOTECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202610425764.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-02
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

In existing technologies, manual capping is costly, prone to sample confusion, and frequently leaks, while automated equipment cannot identify tube types and has poor adaptability, making it impossible to achieve multiple uses with one machine.

Method used

A blood collection tube sealing device was designed that can automatically identify tube types and adapt to various test tube racks. It includes a base, a moving module, a heating and film covering module, and a film cutting module. It achieves automated sealing through test tube rack positioning components, optical recognition, and mechanical means, and is compatible with test tube racks of different specifications.

Benefits of technology

It enables rapid positioning and fixing of test tube racks of various sizes, automates the sealing process, improves sealing safety and work efficiency, and reduces labor costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122078709A_ABST
    Figure CN122078709A_ABST
Patent Text Reader

Abstract

This invention discloses a blood collection tube sealing device that can automatically identify tube types and adapt to various test tube racks. It includes a base, a right base housing, a left base housing, a main unit protective housing, a movable observation window, a front membrane application door, a rear membrane application door, a rear maintenance door, and a left maintenance door. A test tube rack positioning component is installed on the top of the base. A left-right movement module for driving the lateral displacement of the test tube rack is located on the right side of the base. A lifting module, a heating and coating module, a membrane cutting module, and a membrane placement component are integrated in the middle of the base. A membrane clamping device is installed on the left side of the heating and coating module. Anti-slip pads are provided at the four corners of the bottom of the base. An LCD touch screen control screen is installed at the front of the main unit protective housing, and a printer is located on the left side. This invention features automatic tube type identification and universal adaptation to multiple test tube rack specifications, replacing the traditional manual capping method. It is easy to operate, has high coating efficiency, a wide range of applications, traceable sample sealing, and enhanced biosafety.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This invention relates to the field of medical test sample sealing equipment technology, specifically a blood collection tube sealing device that can automatically identify tube types and adapt to various test tube racks. Background Technology

[0002] Medical blood collection tube sample sealing needs to meet the requirements of diversity, safety, and traceability. Currently, the market primarily uses traditional manual capping methods and a few automated sealing devices. These methods have significant drawbacks: manual capping is costly, prone to sample confusion, and frequently results in leakage; existing automated sealing devices lack automatic tube type recognition and are incompatible with various test tube rack sizes, forcing users to still use manual capping due to different rack models, hindering the realization of multi-functionality. Based on these industry pain points, the market urgently needs a stable, reliable, and widely adaptable sealing device to improve the safety, stability, and traceability of biological sample sealing. Therefore, based on actual market needs, the applicant has developed a blood collection tube sealing device that can automatically identify tube types and is compatible with various test tube racks. Summary of the Invention

[0003] The purpose of this invention is to provide a blood collection tube sealing device that can automatically identify tube types and adapt to various test tube racks, so as to solve the problems mentioned in the background art, such as low efficiency of manual capping, easy leakage, poor adaptability of automated equipment, and lack of tube type identification.

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] A blood collection tube sealing device that can automatically identify tube types and adapt to various test tube racks includes a base, a right base housing, a left base housing, a main unit protective housing, a movable observation window, a front door for membrane application, a rear door for membrane application, a rear maintenance door, and a left maintenance door. A test tube rack positioning component is placed on top of the base, and a left-right movement module is located on the right side of the base to drive the test tube rack to move laterally. A lifting module, a heating and coating module, a membrane cutting module, and a membrane placement component are located in the middle of the base. A membrane clamping device is located on the left side of the heating and coating module, and anti-slip pads are provided at the four corners of the bottom of the base. A liquid crystal touch screen is mounted on the front of the main unit protective housing, and a printer is located on the left side.

[0006] Furthermore, the left and right movement module includes a motor assembly, a linear guide pair, and a lead screw drive pair.

[0007] Furthermore, the test tube rack positioning assembly is fixed above the linear guide rail pair, and the test tube rack placement plate and the test tube rack positioning fixture are connected above the linear guide rail pair.

[0008] Furthermore, a fixing block is connected above the base, an optical axis support rod is connected above the fixing block, a motor support plate is connected above the optical axis support rod, and a lead screw motor assembly is installed on the motor support plate.

[0009] Furthermore, the membrane feeding assembly includes a membrane roll and two side supports for the membrane, which are fixedly connected to the motor support plate by screws.

[0010] Furthermore, the heating and coating module includes a pressing and lifting plate, a guide bearing assembly, a cladding head connecting guide post, a heating plate, a heating spring, a heating copper column, a servo motor fixing bracket, and a servo motor.

[0011] Furthermore, the film cutting module includes left and right film separating electric cylinders, which are fixed on the motor support plate. The lower ends of the left and right film separating electric cylinders are connected to left and right cutting blade fixing plates, and the cutting blades are connected below the cutting blade fixing plates. The cutting blade fixing plates are fixed on the left and right cutting blade lifting plates, and a film clamping fixing plate is installed on the left side of the left and right cutting blade lifting plates. The film clamping fixing plate is equipped with a film clamping electric gripper.

[0012] Furthermore, upper and lower limit fixing plates are fixed above the motor support plate, and upper and lower detection limit switches are fixed inside the upper and lower limit fixing plates.

[0013] Furthermore, the film cutting module includes a film cutting electric cylinder, which is fixed to a motor support plate. A film cutting fixing plate is fixed below the motor support plate. A linear guide pair is fixed to the front side of the film cutting fixing plate. A film cutting connecting plate is connected to the front side of the linear guide pair. A serrated cutter is connected to the front side of the film cutting connecting plate.

[0014] Furthermore, the film cutting module also includes front and rear film cutting electric cylinders, which are connected above the lead screw drive pair. The front and rear film cutting electric cylinders are connected to the front and rear blade tooth fixing plates, which are connected to the floating joint and the front and rear cutters. The front and rear blade tooth fixing plates are connected to the optical axis, which is connected to the linear bearing. The lead screw drive pair is installed above the linear guide pair, and the right end of the lead screw drive pair is connected to the synchronous pulley. The linear guide pair is fixed above the front and rear cutter support plates, and the front and rear drive motor sets are fixed on the left side of the front and rear cutter support plates. The lower sides of the front and rear cutter support plates are connected to the optical axis support rods, which are connected to the front and rear cutting support seats, which are connected to the base.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] This invention enables rapid positioning and fixation of test tube racks of various specifications through an adjustable test tube rack positioning component. After the workpiece is in place, it is hot-pressed and coated by a heating and coating module and cut step by step by a cutting module. With the help of the tube type automatic recognition function, it can be compatible with different specifications of blood collection tubes and test tube racks. The whole process is automated, which significantly improves the safety and efficiency of test tube sample sealing and reduces labor costs. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the present invention;

[0018] Figure 2 This is a schematic diagram of the left and right moving module of the present invention;

[0019] Figure 3 This is a schematic diagram of the overall structure of the present invention;

[0020] Figure 4 This is a schematic diagram of the structure of the film cutting module of the present invention;

[0021] Figure 5 This is a schematic diagram of the membrane cutting portion in the membrane cutting module of the present invention;

[0022] Figure 6 This is a schematic diagram of the front and rear cutting sections in the cutting module of the present invention;

[0023] Figure 7 This is a schematic diagram of the heating and coating module of the present invention.

[0024] In the diagram: 1-Left housing of the base; 2-Anti-slip pad; 3-Modible observation window; 4-Main unit protective housing; 5-LCD touch control screen; 6-Printer; 7-Front door for film loading; 8-Right housing of the base; 9-Linear guide rail pair; 10-Base; 11-Screw drive pair; 12-Left maintenance door; 13-Rear door for film loading; 14-Test tube rack positioning fixture; 15-Test tube rack placement plate; 16-Motor assembly; 17-Rear maintenance door; 18-Membrane clamping fixing plate; 19-Left and right cutter lifting plates; 20-Cutter; 21-Motor support plate; 22-Cutter fixing plate; 23-Left and right film separating electric cylinder; 24-Membrane cutting electric cylinder; 25-Screw motor pair; 26-Membrane roll; 27-Membrane side supports; 28-Upper and lower limit fixing plates; 29-Guide bearing assembly; 30-Upper and lower detection limit switches; 31-Filling lifting plate; 32-Membrane clamping electric... 33-Moving gripper; 34-Fixing block; 35-Membrane cutting fixing plate; 36-Linear guide rail pair; 37-Membrane cutting connecting plate; 38-Heating copper column; 39-Heating spring; 40-Servo motor fixing bracket; 41-Clad head connecting guide post; 42-Heating plate; 43-Front and rear cutting support seat; 44-Front and rear cutters; 45-Floating joint; 46-Optical axis support rod; 47-Front and rear cutter support plate; 48-Synchronous pulley; 49-Front and rear drive motor assembly; 50-Front and rear film cutting electric cylinder; 51-Linear bearing; 52-Screw drive pair; 53-Linear guide rail pair; 54-Optical axis; 55-Front and rear blade tooth fixing plate; 56-Film cutting module; 57-Membrane clamping device; 58-Heating and coating module; 59-Film placement assembly; 60-Lifting module; 61-Test tube rack positioning assembly; 62-Left and right movement module; 63-Serrated cutter. Detailed Implementation

[0025] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0026] Please see Figure 1-7 A blood collection tube sealing device that can automatically identify tube types and adapt to various test tube racks includes a base 10, a right base housing 8, a left base housing 1, a main unit protective housing 4, a movable observation window 3, a front door for membrane application 7, a rear door for membrane application 13, a rear maintenance door 17, and a left maintenance door 12. The main unit protective housing 4 protects the internal moving mechanisms and electrical components, while the movable observation window 3 allows for real-time observation of the membrane application status and remaining membrane material. A test tube rack positioning component 61 is placed above the base 10 for quickly positioning and fixing test tube racks of different specifications. A left-right moving module 62 is provided on the right side of the base 10 to drive the test tube rack to move laterally, meeting the station switching requirements for segmented membrane application of long test tube racks. A lifting module 60 and a heating membrane application module 58 are provided in the middle of the base 10. The system includes a film cutting module 56 and a film placement assembly 59; a lifting module 60 for adjusting the film coating height to adapt to different tube shapes; a heated film coating module 58 for hot-pressing and bonding the film coating to the test tube opening; a film cutting module 56 for cutting the entire film coating into individual tubes for independent film coating; and a film placement assembly 59 for automatically supplying film coating consumables. The heated film coating module 58 has a film clamping device 57 on its left side to clamp the film material and ensure tension and prevent shifting during the film coating process. The base 10 has anti-slip rubber pads 2 at its four corners to improve equipment stability and prevent sliding. The main unit's protective casing 4 has an LCD touch control screen 5 at its front end for parameter setting, mode selection, and operating status monitoring. A printer 6 is located on the left side for outputting film coating records and sample information, enabling traceability of the sealing process.

[0027] The left and right movement module 62 includes a motor assembly 16, a linear guide pair 9, and a lead screw transmission pair 11; the motor assembly 16 provides power, the linear guide pair 9 ensures smooth movement, and the lead screw transmission pair 11 achieves high-precision positioning.

[0028] The test tube rack positioning component 61 is fixed above the linear guide rail pair 9. The test tube rack placement plate 15 and the test tube rack positioning clamp 14 are connected above the linear guide rail pair 9. The test tube rack placement plate 15 is used to support the test tube rack, and the test tube rack positioning clamp 14 can be quickly adjusted to adapt to various test tube rack sizes.

[0029] A fixing block 33 is connected above the base 10, an optical axis support rod 46 is connected above the fixing block 33, a motor support plate 21 is connected above the optical axis support rod 46, and a lead screw motor assembly 25 is installed on the motor support plate 21. The fixing block 33 and the optical axis support rod 46 provide stable support, the motor support plate 21 is used to install the lifting drive component, and the lead screw motor assembly 25 is used to drive the heating and coating module to move up and down.

[0030] The film feeding assembly 59 includes a film roll 26 and two side supports 27. The two side supports 27 are fixedly connected to the motor support plate 21 by screws. The film roll 26 is used to roll up the film material, and the two side supports 27 are used to support the film roll and ensure that the film material is fed out smoothly and without deviation.

[0031] The heating and coating module 58 includes a pressing and lifting plate 31, a guide bearing assembly 29, a cladding head connecting guide post 40, a heating plate 41, a heating spring 38, a heating copper column 37, a servo motor fixing bracket 39, and a servo motor 42. The pressing and lifting plate 31 drives the cladding head to move up and down, the guide bearing assembly 29 ensures the coaxiality of the movement, the heating plate 41 and the heating copper column 37 provide the hot pressing temperature, the heating spring 38 compensates for the height difference of the test tube, and the servo motor 42 is used to precisely adjust the coating position to adapt to different tube types.

[0032] The film cutting module 56 includes left and right film splitting electric cylinders 23, which are fixed on the motor support plate 21. The lower end of the left and right film splitting electric cylinders 23 is connected to the left and right cutting blade fixing plates 22, and the cutting blades 20 are connected below the cutting blade fixing plates 22. The left and right film splitting electric cylinders 23 drive the cutting blades 20 to complete the horizontal splitting, dividing the entire film sheet into single rows. The cutting blade fixing plates 22 are fixed on the left and right cutting blade lifting plates 19. The left and right cutting blade lifting plates 19 have film clamping fixing plates 18 installed on their left sides, and film clamping electric grippers 32 are installed on the film clamping fixing plates 18. The film clamping electric grippers 32 are used to automatically clamp the front end of the film material, realizing automatic traction feeding after film replacement.

[0033] The upper and lower limit fixing plates 28 are fixed above the motor support plate 21, and the upper and lower limit detection limit switches 30 are fixed inside the upper and lower limit fixing plates 28; these are used to limit the stroke of the lifting module 60, prevent overtravel, and improve equipment safety.

[0034] The film cutting module 56 includes a film cutting electric cylinder 24, which is fixed on a motor support plate 21. A film cutting fixing plate 34 is fixed below the motor support plate 21. A linear guide pair 35 is fixed to the front of the film cutting fixing plate 34. A film cutting connecting plate 36 is connected to the front of the linear guide pair 35. A serrated cutter 63 is connected to the front of the film cutting connecting plate 36. The film cutting electric cylinder 24 drives the serrated cutter 63 to cut off the tail of the entire film covering plate, thus completing the single batch sealing process.

[0035] The film-cutting module 56 further includes front and rear film-cutting electric cylinders 50, which are connected above the lead screw drive pair 52. The front and rear film-cutting electric cylinders 50 are connected to the front and rear blade fixing plates 55, which are connected to the floating joint 45 and the front and rear cutters 44. The front and rear film-cutting electric cylinders 50 and the lead screw drive pair 52 drive the front and rear cutters 44 to complete longitudinal cutting, achieving completely independent film coating for each test tube. The front and rear blade fixing plates 55 are connected to the optical axis 54, which is connected to the linear bearing 51. The optical axis 54 and the linear bearing 51 ensure smooth movement of the front and rear cutters 44. The lead screw drive pair 52 is installed... Above the linear guide pair 53, the right end of the lead screw drive pair 52 is connected to the synchronous pulley 48; the linear guide pair 53 is fixed above the front and rear cutter support plates 47, and the front and rear drive motor sets 49 are fixed on the left side of the front and rear cutter support plates 47; the front and rear drive motor sets 49 provide cutting power, and the synchronous pulley 48 ensures transmission synchronization; the two sides below the front and rear cutter support plates 47 are connected to the optical axis support rods 46, the optical axis support rods 46 are connected to the front and rear cutting support seats 43, and the front and rear cutting support seats 43 are connected to the base 10; the front and rear cutting support seats 43 and the optical axis support rods 46 ensure the overall rigidity and stability of the cutting mechanism.

[0036] The embodiments of the present invention described above do not constitute a limitation on the scope of protection of the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A blood collection tube sealing device that can automatically identify tube types and adapt to various test tube racks, characterized in that: It includes a base (10), a right base housing (8), a left base housing (1), a main unit protective housing (4), a movable observation window (3), a front door for film application (7), a rear door for film application (13), a rear maintenance door (17), and a left maintenance door (12); a test tube rack positioning component (61) is placed on the top of the base (10), and a left and right moving module (62) is set on the right side of the base (10) to drive the test tube rack to move laterally; a lifting module (60), a heating film application module (58), a film cutting module (56), and a film placement component (59) are provided in the middle of the base (10); a film clamping device (57) is provided on the left side of the heating film application module (58), and anti-slip rubber pads (2) are provided at the four corners of the bottom of the base (10); a liquid crystal touch control screen (5) is installed at the front end of the main unit protective housing (4), and a printer (6) is provided on the left side.

2. The blood collection tube sealing device that can automatically identify tube types and adapt to various test tube racks according to claim 1, characterized in that: The left and right movement module (62) includes a motor assembly (16), a linear guide pair (9), and a lead screw drive pair (11).

3. The blood collection tube sealing device that can automatically identify tube types and adapt to various test tube racks according to claim 2, characterized in that: The test tube rack positioning assembly (61) is fixed above the linear guide pair (9), and the test tube rack placement plate (15) and the test tube rack positioning fixture (14) are connected above the linear guide pair (9).

4. The blood collection tube sealing device that can automatically identify tube types and adapt to various test tube racks according to claim 1, characterized in that: A fixing block (33) is connected above the base (10), an optical axis support rod (46) is connected above the fixing block (33), a motor support plate (21) is connected above the optical axis support rod (46), and a lead screw motor pair (25) is installed on the motor support plate (21).

5. The blood collection tube sealing device that can automatically identify tube types and adapt to various test tube racks according to claim 1 or 4, characterized in that: The membrane feeding assembly (59) includes a membrane roll (26) and membrane side supports (27), which are fixedly connected to the motor support plate (21) by screws.

6. The blood collection tube sealing device according to claim 1 or 4, which can automatically identify tube types and adapt to various test tube racks, is characterized in that: The heating and coating module (58) includes a pressing and lifting plate (31), a guide bearing assembly (29), a cladding head connecting guide post (40), a heating plate (41), a heating spring (38), a heating copper column (37), a servo motor fixing bracket (39), and a servo motor (42).

7. The blood collection tube sealing device according to claim 1 or 4, which can automatically identify tube types and adapt to various test tube racks, is characterized in that: The film cutting module (56) includes left and right film splitting electric cylinders (23), which are fixed on the motor support plate (21). The lower end of the left and right film splitting electric cylinders (23) is connected to the left and right cutting blade fixing plates (22), and the cutting blade (20) is connected below the cutting blade fixing plates (22). The cutting blade fixing plates (22) are fixed on the left and right cutting blade lifting plates (19), and the film clamping fixing plate (18) is installed on the left side of the left and right cutting blade lifting plates (19). The film clamping electric gripper (32) is installed on the film clamping fixing plate (18).

8. The blood collection tube sealing device that can automatically identify tube types and adapt to various test tube racks according to claim 4, characterized in that: The upper and lower limit fixing plate (28) is fixed above the motor support plate (21), and the upper and lower detection limit switch (30) is fixed inside the upper and lower limit fixing plate (28).

9. The blood collection tube sealing device that can automatically identify tube types and adapt to various test tube racks according to claim 1 or 7, characterized in that: The film cutting module (56) includes a film cutting electric cylinder (24), which is fixed on a motor support plate (21). A film cutting fixing plate (34) is fixed below the motor support plate (21). A linear guide pair (35) is fixed on the front side of the film cutting fixing plate (34). A film cutting connecting plate (36) is connected to the front side of the linear guide pair (35). A serrated cutter (63) is connected to the front side of the film cutting connecting plate (36).

10. The blood collection tube sealing device that can automatically identify tube types and adapt to various test tube racks according to claim 1, 7, or 8, characterized in that: The film cutting module (56) also includes front and rear film cutting electric cylinders (50), which are connected above the lead screw drive pair (52). The front and rear film cutting electric cylinders (50) are connected to the front and rear blade tooth fixing plates (55), which are connected to the floating joint (45) and the front and rear cutters (44). The front and rear blade tooth fixing plates (55) are connected to the optical axis (54), which is connected to the linear bearing (51). The lead screw drive pair (52) is installed on the linear bearing. Above the linear guide pair (53), the right end of the lead screw drive pair (52) is connected to the synchronous wheel (48); the linear guide pair (53) is fixed above the front and rear cutter support plates (47), and the front and rear drive motor sets (49) are fixed on the left side of the front and rear cutter support plates (47); the two sides below the front and rear cutter support plates (47) are connected to the optical axis support rod (46), the optical axis support rod (46) is connected to the front and rear cutting support seats (43), and the front and rear cutting support seats (43) are connected to the base (10).