Preparation device and preparation method of biological sample sampling glass tube

Abstract

The biological sample sampling glass tube preparation device comprises a lower shell, an upper shell is arranged at the top of the lower shell, a plurality of sets of injection molding openings are formed in the top of the lower shell, a plurality of sets of molds are arranged on the outer wall, corresponding to the injection molding openings, of the upper shell, and a mounting assembly is arranged between the upper shell and the molds; the upper shell is detachably connected with a mold through a mounting assembly, the mold is placed in an assembling groove, then a motor drives a two-way lead screw to rotate on a bearing, the rotating two-way lead screw continuously acts on a transmission block, the transmission block moves on the two-way lead screw, and a clamping plate is synchronously driven to move in the assembling groove; according to the manufacturing device, the mold is placed in the limiting groove and moved into the limiting groove to be clamped, so that workers can replace the mold conveniently, meanwhile, the installation difficulty of the mold is reduced, and the production efficiency of the manufacturing device is greatly improved.

Description

Technical Field

[0001] The invention relates to a device and a method for preparing a biological sample sampling glass tube. Background Art

[0002] In the field of biotechnology, accurate sampling of biological samples is one of the key steps in scientific research and clinical diagnosis. The sampling quality of biological samples, such as blood, tissue fluid, cell suspension, etc., directly affects the accuracy and reliability of subsequent experimental results. Therefore, it is particularly important to develop efficient and accurate biological sample sampling tools; As a traditional sampling tool, glass tubes are widely used in the field of biotechnology. In particular, capillary glass tubes use the principle of capillary action to achieve precise control of tiny volume samples, and play an irreplaceable role in molecular biology experiments (such as PCR, gel electrophoresis and sequencing, etc.), cell culture and clinical diagnosis. The molds on the traditional glass tube preparation device are usually fixed by bolt fastening, plate locking and other methods. Although these fixing methods are firm, they take a lot of time to disassemble and assemble when replacing the mold, which not only increases the difficulty of operation but also reduces production efficiency. In addition, the complex fixing method is also easy to cause the mold installation position to be inaccurate, thereby affecting the molding quality of the glass tube. In view of this, the present invention proposes a biological sample sampling glass tube preparation device to solve the above problems. Summary of the invention

[0003] The object of the present invention is to provide a biological sample sampling glass tube preparation device and preparation method, so as to solve the problem mentioned in the above background technology that the mold on the traditional glass tube preparation device is usually fixed by bolt tightening, pressure plate locking, etc. Although these fixing methods are firm, they take a lot of time to disassemble and assemble when replacing the mold, which not only increases the difficulty of operation, but also reduces production efficiency.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: comprising a lower shell, an upper shell is arranged on the top of the lower shell, a plurality of injection ports are arranged on the top of the lower shell, a plurality of molds are arranged on the outer wall of the upper shell corresponding to the injection ports, a mounting assembly is arranged between the upper shell and the mold, the upper shell is detachably connected to the mold through the mounting assembly, a connecting assembly is arranged between the upper shell and the lower shell, the upper shell is detachably connected to the lower shell through the connecting assembly, As an improvement of the above technical solution, the installation component includes two groups of assembly grooves horizontally opened on the bottom surface of the upper shell body, and molds are placed in the assembly grooves. A movable warehouse is provided on the right outer wall of the upper shell body, and a bearing is provided on the rear end surface of the movable warehouse. A bidirectional screw rod is provided on the front end of the bearing, and the bidirectional screw rod rotates in the movable warehouse. A motor is provided on the front end surface of the bidirectional screw rod, and the motor is fixed on the movable warehouse. Four groups of transmission blocks are threadedly connected on the bidirectional screw rod, and a clamping plate is provided on the left end of the transmission block. A limiting groove is provided on the outer wall of the mold corresponding to the outer wall of the clamping plate. As an improvement of the above technical solution, the motor is a built-in power supply, the input end of the motor is connected to the controller through a wire, and a placement slot for storing the controller is provided on the top of the upper shell. As an improvement of the above technical solution, a handle is rotatably provided at the bottom of the lower shell, and the handle is built into the lower shell. As an improvement of the above technical solution, the clamping plate is designed to be rectangular, and the limiting groove is provided as a through hole adapted to the clamping plate. As an improvement of the above technical solution, the connecting assembly includes two groups of fixed blocks symmetrically arranged on the outer walls of the front and rear ends of the upper shell, a rotating rod is rotated in each of the fixed blocks, a torsion spring is wound on the outer wall of the rotating rod in the fixed block, a threaded rod is provided at the bottom of the rotating rod, a mounting seat is provided on the outer wall of the lower shell below the threaded rod, the mounting seat is rotatably connected to the threaded rod, a threaded block is threadedly connected to the threaded rod, and a movable groove is provided on the surface of the mounting seat corresponding to the outer wall of the top end of the threaded block. As an improvement of the above technical solution, the outer wall of the thread block is provided with anti-slip lines, and the length of the thread block is half of the depth of the movable groove. As an improvement of the above technical solution, a soft pad is glued on the surface of the movable groove on one side facing the threaded block. As an improvement of the above technical solution, two groups of torsion springs are wound around the rotating rod, and the two groups of torsion springs are symmetrically arranged on the surfaces of both ends of the rotating rod.

[0005] The present invention also provides the following technical solution, a method for preparing a biological sample sampling glass tube preparation device: Step 1, prepare the lower shell: use a strong and heat-resistant material to make the lower shell, open multiple groups of injection ports on the top of the lower shell, and ensure that the size and position of each injection port are accurate to facilitate the subsequent injection of glass liquid; Step 2, prepare the upper shell: use the same or compatible material as the lower shell to make the upper shell, set multiple sets of molds on the outer wall of the upper shell at the position corresponding to the injection port, open two sets of assembly grooves horizontally on the bottom surface of the upper shell for placing the molds, set a movable warehouse on the right outer wall of the upper shell, and install a bearing on its rear end surface, install a bidirectional screw rod at the front end of the bearing, and install a motor on the front end surface of the bidirectional screw rod, the motor is fixed on the movable warehouse, four sets of transmission blocks are threadedly connected to the bidirectional screw rod, a clamping plate is provided at the left end of each set of transmission blocks, and a limit groove is opened on the outer wall of the mold at the position corresponding to the clamping plate; Step 3, assembly of the mounting assembly: place the mold in the assembly groove, drive the bidirectional screw to rotate on the bearing through the motor, move the transmission block on the bidirectional screw, and synchronously drive the clamping plate to move in the assembly groove until the clamping plate moves into the limit groove to clamp the mold; Step 4, preparation and installation of the connection assembly: two groups of fixed blocks are symmetrically arranged on the front and rear end outer walls of the upper shell, a rotating rod is rotatably installed in each group of fixed blocks, and a torsion spring is wound around the outer wall of the rotating rod, a threaded rod is installed at the bottom of the rotating rod, and a mounting seat is arranged at a corresponding position on the outer wall of the lower shell, so that the threaded rod is rotatably connected to the mounting seat, a threaded block is threadedly connected to the threaded rod, and a movable groove is provided on the surface of the mounting seat at a position corresponding to the threaded block, an anti-slip pattern is provided on the outer wall of the threaded block, and a soft pad is glued to the surface of the movable groove on one side facing the threaded block; Step 5, overall assembly: connect the upper shell and the lower shell through the connecting assembly: fit the lower shell and the upper shell together, use the restoring force of the torsion spring to drive the rotating rod to reset and rotate in the fixed block, so that the rotating rod drives the threaded rod to rotate into the mounting seat, and by rotating the threaded block, the threaded block is threadedly rotated on the threaded rod and finally rotated into the movable groove, so as to achieve a firm connection between the upper shell and the lower shell; Step 6, installation of auxiliary components: a handle is built into the bottom of the lower shell to facilitate the staff to carry it, a placement slot for storing the controller is set on the top of the upper shell, and the input end of the motor is connected to the controller through a wire for easy operation; Step 7, debugging and testing: debug the entire device to ensure that the motor, bidirectional screw, transmission block, clamping plate and other components work together, the clamping mold is stable, test the reliability of the connection components, ensure that the upper shell and the lower shell are firmly connected to facilitate transportation and carrying, perform glass liquid injection and molding tests, ensure that the glass tube preparation process is smooth, and the molding quality meets the requirements.

[0006] Compared with the prior art, the present invention has the following beneficial effects: 1. The mold is placed in the assembly groove, and the motor drives the bidirectional screw to rotate on the bearing, and the rotating bidirectional screw continuously acts on the transmission block, so that the transmission block moves on the bidirectional screw, and synchronously drives the clamping plate to move in the assembly groove, and moves to the limit groove to clamp the mold, so that the staff can replace the mold, and the difficulty of installing the mold is reduced, which greatly improves the production efficiency of the preparation device; 2. By fitting the lower shell and the upper shell together, and then using the restoring force of the torsion spring to drive the rotating rod to return and rotate in the fixed block, and the rotating rod drives the threaded rod to rotate into the mounting seat, and then by rotating the threaded block on the threaded rod, the threaded block is threadedly rotated on the threaded rod and rotated into the movable groove, thereby achieving the purpose of connecting the lower shell and the upper shell, so as to facilitate the staff to transport and carry the lower shell and the upper shell, and prevent the lower shell or the upper shell from being damaged or lost due to friction during transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a bottom view structural schematic diagram of the present invention; Figure 3 It is a schematic diagram of a partial cross-sectional structure of an installation assembly of the present invention; Figure 4 It is a schematic diagram of a partial cross-sectional structure of a glass tube of the present invention; Figure 5 For the present invention Figure 3 The enlarged view of point A in the middle; Figure 6 For the present invention Figure 3 Enlarged view of point B in the middle.

[0008] In the figure: 1. lower shell; 2. upper shell; 3. injection port; 4. mold; 5. installation component; 51. assembly groove; 52. movable bin; 53. bearing; 54. bidirectional screw; 55. motor; 56. transmission block; 57. clamping plate; 58. limit groove; 6. connecting component; 61. fixed block; 62. rotating rod; 63. torsion spring; 64. threaded rod; 65. mounting seat; 66. threaded block; 67. movable groove. DETAILED DESCRIPTION

[0009] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0010] Example: like Figure 1-6 As shown, this embodiment proposes a biological sample sampling glass tube preparation device, including a lower shell 1, an upper shell 2 is provided on the top of the lower shell 1, a plurality of injection ports 3 are provided on the top of the lower shell 1, and a plurality of molds 4 are provided on the outer wall of the upper shell 2 corresponding to the injection ports 3, a mounting assembly 5 is provided between the upper shell 2 and the mold 4, and the upper shell 2 is detachably connected to the mold 4 through the mounting assembly 5, and a connecting assembly 6 is provided between the upper shell 2 and the lower shell 1, and the upper shell 2 is detachably connected to the lower shell 1 through the connecting assembly 6; The mounting assembly 5 includes two groups of assembly grooves 51 which are transversely opened on the bottom surface of the upper shell 2, and the molds 4 are placed in the assembly grooves 51. A movable bin 52 is provided on the right outer wall of the upper shell 2. A bearing 53 is provided on the rear end surface of the movable bin 52. A bidirectional screw rod 54 is provided on the front end of the bearing 53, and the bidirectional screw rod 54 rotates in the movable bin 52. A motor 55 is provided on the front end surface of the bidirectional screw rod 54, and the motor 55 is fixed on the movable bin 52. Four groups of transmission blocks 56 are threadedly connected to the bidirectional screw rod 54. A clamping plate 57 is provided on the left end of the transmission block 56. A limiting groove 58 is provided on the outer wall of the clamping plate 57 corresponding to the outer wall of the mold 4. The mold 4 is placed in the assembly groove 51, and the bidirectional screw 54 is driven by the motor 55 to rotate on the bearing 53, and the rotating bidirectional screw 54 continuously acts on the transmission block 56, so that the transmission block 56 moves on the bidirectional screw 54, and synchronously drives the clamping plate 57 to move in the assembly groove 51, and moves to the limit groove 58 to clamp the mold 4, and then the glass liquid is injected into the injection port 3, and then the mold 4 is driven by the upper shell 2 to fit with the lower shell 1, and the mold 4 squeezes the glass liquid to form the glass liquid into a glass tube, and then the upper shell 2 is slid away from the lower shell 1, and the glass tube is taken out from the injection port 3.

[0011] The motor 55 is a built-in power supply, and the input end of the motor 55 is connected to the controller through a wire. A placement slot for storing the controller is provided on the top of the upper shell 2, which can facilitate the staff to operate the motor 55 through the controller. At the same time, the controller is not easily lost during transportation.

[0012] A handle is rotatably provided at the bottom of the lower shell 1, and the handle is built into the lower shell 1; the staff can use the handle to carry the lower shell 1 and the upper shell 2 to prevent the lower shell 1 or the upper shell 2 from slipping when carrying the lower shell 1 or the upper shell 2, causing the lower shell 1 and the upper shell 2 to fall to the ground and be damaged.

[0013] The clamping plate 57 is designed in a rectangular shape, and the limiting groove 58 is provided as a through hole adapted to the clamping plate 57 , so that the clamping plate 57 and the limiting groove 58 can be fully fitted together to prevent the clamping plate 57 from shaking in the limiting groove 58 , thereby affecting the final quality of the glass tube.

[0014] The connecting assembly 6 includes two groups of fixed blocks 61 symmetrically arranged on the outer walls of the front and rear ends of the upper shell 2, and a rotating rod 62 is rotated in each of the fixed blocks 61. The outer wall of the rotating rod 62 in the fixed block 61 is wound with a torsion spring 63, and the bottom of the rotating rod 62 is provided with a threaded rod 64. The outer wall of the lower shell 1 below the threaded rod 64 is provided with a mounting seat 65, and the mounting seat 65 is rotatably connected to the threaded rod 64. The threaded rod 64 is threadedly connected with a threaded block 66, and the surface of the mounting seat 65 corresponding to the outer wall of the top end of the threaded block 66 is provided with a movable groove 67; By fitting the lower shell 1 with the upper shell 2, and then using the restoring force of the torsion spring 63 to drive the rotating rod 62 to return and rotate in the fixed block 61, and the rotating rod 62 drives the threaded rod 64 to rotate into the mounting seat 65, and then by rotating the threaded block 66 on the threaded rod 64, the threaded block 66 is threadedly rotated on the threaded rod 64 and rotated into the movable groove 67, thereby achieving the purpose of connecting the lower shell 1 with the upper shell 2, so that it is convenient for the staff to transport and carry the lower shell 1 and the upper shell 2, and prevent the lower shell 1 or the upper shell 2 from being damaged or lost due to friction during transportation.

[0015] The outer wall of the thread block 66 is provided with anti-skid patterns. The length of the thread block 66 is half the depth of the movable groove 67 , which can increase the friction between the staff's hand and the thread block 66 and prevent the hand from slipping when rotating the thread block 66 .

[0016] A soft pad is glued on the surface of the movable groove 67 facing the threaded block 66 to prevent the inner wall of the movable groove 67 from being damaged by friction when the threaded block 66 rotates and squeezes the movable groove 67 .

[0017] Two groups of torsion springs 63 are wound around the rotating rod 62, and the two groups of torsion springs 63 are symmetrically arranged on the surfaces of both ends of the rotating rod 62, so that the torsion springs 63 can exert the same force on both ends of the rotating rod 62, so that the rotating rod 62 can rotate stably in the fixed block 61, and prevent the torsion spring 63 from outputting too much force to one end of the rotating rod 62, causing the rotating rod 62 to get stuck in the fixed block 61 and unable to rotate.

[0018] A method for preparing a biological sample sampling glass tube preparation device is as follows: Step 1, preparing the lower shell 1: using a strong and heat-resistant material (such as metal or high-strength plastic) to make the lower shell 1, opening a plurality of injection ports 3 on the top of the lower shell 1, and ensuring that the size and position of each injection port 3 are accurate to facilitate the subsequent injection of glass liquid; Step 2, prepare the upper shell 2: use the same or compatible material as the lower shell 1 to make the upper shell 2, set multiple sets of molds 4 on the outer wall of the upper shell 2 at the position corresponding to the injection port 3, open two sets of assembly grooves 51 transversely on the bottom surface of the upper shell 2 for placing the mold 4, set a movable bin 52 on the right outer wall of the upper shell 2, and install a bearing 53 on the rear end surface thereof, install a bidirectional screw rod 54 on the front end of the bearing 53, and install a motor 55 on the front end surface of the bidirectional screw rod 54, the motor 55 is fixed on the movable bin 52, and four sets of transmission blocks 56 are threadedly connected to the bidirectional screw rod 54, and a clamping plate 57 is provided at the left end of each set of transmission blocks 56, and a limit groove 58 is opened on the outer wall of the mold 4 at the position corresponding to the clamping plate 57; Step 3, assembling the mounting assembly 5: placing the mold 4 in the assembly groove 51, driving the bidirectional screw 54 to rotate on the bearing 53 through the motor 55, so that the transmission block 56 moves on the bidirectional screw 54, and synchronously drives the clamping plate 57 to move in the assembly groove 51, until the clamping plate 57 moves into the limit groove 58, so as to clamp the mold 4; Step 4, preparation and installation of the connection assembly 6: two groups of fixing blocks 61 are symmetrically arranged on the front and rear end outer walls of the upper shell 2, a rotating rod 62 is rotatably installed in each group of fixing blocks 61, and a torsion spring 63 is wound around the outer wall of the rotating rod 62, a threaded rod 64 is installed at the bottom of the rotating rod 62, and a mounting seat 65 is arranged at a corresponding position on the outer wall of the lower shell 1, so that the threaded rod 64 is rotatably connected to the mounting seat 65, a threaded block 66 is threadedly connected to the threaded rod 64, and a movable groove 67 is provided on the surface of the mounting seat 65 at a position corresponding to the threaded block 66, an anti-slip pattern is arranged on the outer wall of the threaded block 66, and a soft pad is glued to the surface of the movable groove 67 on one side facing the threaded block 66; Step 5, overall assembly: connect the upper shell 2 and the lower shell 1 through the connecting assembly 6: fit the lower shell 1 with the upper shell 2, use the restoring force of the torsion spring 63 to drive the rotating rod 62 to reset and rotate in the fixed block 61, so that the rotating rod 62 drives the threaded rod 64 to rotate into the mounting seat 65, and by rotating the threaded block 66, the threaded block 66 is threadedly rotated on the threaded rod 64 and finally rotated into the movable groove 67, so as to realize the firm connection between the upper shell 2 and the lower shell 1; Step 6, installation of auxiliary components: a handle is built into the bottom of the lower housing 1 for easy carrying by the staff, a placement slot for storing the controller is set on the top of the upper housing 2, and the input end of the motor 55 is connected to the controller through a wire for easy operation; Step 7, debugging and testing: debug the entire device to ensure that the motor 55, bidirectional screw 54, transmission block 56, clamping plate 57 and other components work together, the clamping mold 4 is stable, test the reliability of the connecting assembly 6, ensure that the upper shell 2 and the lower shell 1 are firmly connected to facilitate transportation and carrying, perform glass liquid injection and molding tests, ensure that the glass tube preparation process is smooth, and the molding quality meets the requirements.

[0019] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A biological sample sampling glass tube preparation device, characterized in that: The invention comprises a lower shell (1), wherein an upper shell (2) is arranged on the top of the lower shell (1), a plurality of injection ports (3) are provided on the top of the lower shell (1), a plurality of molds (4) are arranged on the outer wall of the upper shell (2) corresponding to the injection ports (3), a mounting assembly (5) is arranged between the upper shell (2) and the mold (4), the upper shell (2) is detachably connected to the mold (4) via the mounting assembly (5), a connecting assembly (6) is arranged between the upper shell (2) and the lower shell (1), and the upper shell (2) is detachably connected to the lower shell (1) via the connecting assembly (6).

2. A biological sample sampling glass tube preparation device according to claim 1, characterized in that: The mounting assembly (5) comprises two groups of assembly grooves (51) which are transversely arranged on the bottom surface of the upper shell (2), wherein the mold (4) is placed in each of the assembly grooves (51), a movable bin (52) is arranged on the right outer wall of the upper shell (2), a bearing (53) is arranged on the rear end surface of the movable bin (52), a bidirectional screw rod (54) is arranged on the front end of the bearing (53), and the bidirectional screw rod (54) rotates in the movable bin (52), a motor (55) is arranged on the front end surface of the bidirectional screw rod (54), and the motor (55) is fixed on the movable bin (52), four groups of transmission blocks (56) are threadedly connected to the bidirectional screw rod (54), a clamping plate (57) is arranged on the left end of each of the transmission blocks (56), and a limiting groove (58) is arranged on the outer wall of the clamping plate (57) corresponding to the outer wall of the mold (4).

3. A biological sample sampling glass tube preparation device according to claim 2, characterized in that: The motor (55) is a built-in power source, the input end of the motor (55) is connected to the controller via a wire, and a placement slot for storing the controller is provided on the top of the upper shell (2).

4. The biological sample sampling glass tube preparation device according to claim 2, characterized in that: A handle is rotatably provided at the bottom of the lower shell (1), and the handle is built into the lower shell (1).

5. The biological sample sampling glass tube preparation device according to claim 2, characterized in that: The clamping plate (57) is designed to be rectangular, and the limiting groove (58) is provided as a through hole adapted to the clamping plate (57).

6. The biological sample sampling glass tube preparation device according to claim 1, characterized in that: The connecting assembly (6) comprises two groups of fixed blocks (61) symmetrically arranged on the front and rear end outer walls of the upper shell (2), a rotating rod (62) is rotatably arranged inside each of the fixed blocks (61), a torsion spring (63) is wound around the outer wall of the rotating rod (62) in the fixed blocks (61), a threaded rod (64) is arranged at the bottom of each of the rotating rods (62), a mounting seat (65) is arranged on the outer wall of the lower shell (1) below the threaded rod (64), the mounting seat (65) is rotatably connected to the threaded rod (64), a threaded block (66) is threadedly connected to the threaded rod (64), and a movable groove (67) is provided on the surface of the mounting seat (65) corresponding to the outer wall of the top end of the threaded block (66).

7. A biological sample sampling glass tube preparation device according to claim 6, characterized in that: The outer wall of the threaded block (66) is provided with anti-slip patterns, and the length of the threaded block (66) is half the depth of the movable groove (67).

8. The biological sample sampling glass tube preparation device according to claim 6, characterized in that: A soft pad is glued on the surface of one side of the movable groove (67) facing the threaded block (66).

9. The biological sample sampling glass tube preparation device according to claim 6, characterized in that: Two groups of torsion springs (63) are wound around the rotating rod (62), and the two groups of torsion springs (63) are symmetrically arranged on the surfaces at both ends of the rotating rod (62).

10. A method for preparing a biological sample sampling glass tube preparation device according to any one of claims 1 to 9, characterized in that: Step 1, preparing the lower shell (1): using a strong and heat-resistant material to make the lower shell (1), opening a plurality of injection ports (3) on the top of the lower shell (1), and ensuring that the size and position of each injection port (3) are accurate to facilitate subsequent injection of glass liquid; Step 2, preparing the upper shell (2): the upper shell (2) is made of the same or compatible material as the lower shell (1), a plurality of sets of molds (4) are arranged on the outer wall of the upper shell (2) at positions corresponding to the injection ports (3), two sets of assembly grooves (51) are transversely opened on the bottom surface of the upper shell (2) for placing the molds (4), a movable bin (52) is arranged on the right outer wall of the upper shell (2), a bearing (53) is installed on the rear end surface thereof, a bidirectional screw rod (54) is installed on the front end of the bearing (53), a motor (55) is installed on the front end surface of the bidirectional screw rod (54), the motor (55) is fixed on the movable bin (52), four sets of transmission blocks (56) are threadedly connected to the bidirectional screw rod (54), a clamping plate (57) is provided at the left end of each set of transmission blocks (56), and a limit groove (58) is opened on the outer wall of the mold (4) at a position corresponding to the clamping plate (57); Step 3, assembling the mounting assembly (5): placing the mold (4) in the assembly groove (51), driving the bidirectional screw (54) to rotate on the bearing (53) through the motor (55), so that the transmission block (56) moves on the bidirectional screw (54), and synchronously drives the clamping plate (57) to move in the assembly groove (51), until the clamping plate (57) moves into the limit groove (58), thereby clamping the mold (4); Step 4, preparation and installation of the connection assembly (6): two groups of fixed blocks (61) are symmetrically arranged on the front and rear end outer walls of the upper shell (2), a rotating rod (62) is rotatably installed in each group of fixed blocks (61), and a torsion spring (63) is wound around the outer wall of the rotating rod (62), a threaded rod (64) is installed at the bottom of the rotating rod (62), and a mounting seat (65) is arranged at a corresponding position on the outer wall of the lower shell (1), so that the threaded rod (64) and the mounting seat (65) are rotatably connected, a threaded block (66) is threadedly connected to the threaded rod (64), and a movable groove (67) is provided on the surface of the mounting seat (65) at a position corresponding to the threaded block (66), an anti-slip pattern is provided on the outer wall of the threaded block (66), and a soft pad is glued to the surface of the movable groove (67) on the side facing the threaded block (66); Step 5, overall assembly: connect the upper shell (2) and the lower shell (1) through the connecting assembly (6): fit the lower shell (1) and the upper shell (2), use the restoring force of the torsion spring (63) to drive the rotating rod (62) to return and rotate in the fixed block (61), so that the rotating rod (62) drives the threaded rod (64) to rotate into the mounting seat (65), and by rotating the threaded block (66), the threaded block (66) is threadedly rotated on the threaded rod (64) and finally rotated into the movable groove (67), thereby realizing a firm connection between the upper shell (2) and the lower shell (1); Step 6, installation of auxiliary components: a handle is built into the bottom of the lower housing (1) to facilitate the staff to carry it, a placement slot for storing the controller is set on the top of the upper housing (2), and the input end of the motor (55) is connected to the controller through a wire to facilitate operation; Step 7, debugging and testing: debug the entire device to ensure that the motor (55), the bidirectional screw (54), the transmission block (56), the clamping plate (57) and other components work together, the clamping mold (4) is stable, test the reliability of the connecting assembly (6), ensure that the upper shell (2) and the lower shell (1) are firmly connected to facilitate transportation and carrying, perform glass liquid injection and molding tests, and ensure that the glass tube preparation process is smooth and the molding quality meets the requirements.

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