Hydro-optical needle filling device with positioning structure

Abstract

The utility model relates to the technical field of hydro-optical needle filling devices, in particular to a hydro-optical needle filling device with a positioning structure. The problems that in the using process of a traditional hydro-optical needle filling device, when a hydro-optical needle tube is collided by the outside, the hydro-optical needle tube topples over, the situation of filling leakage is caused, and therefore accurate positioning of the hydro-optical needle tube is inconvenient to achieve are solved. The utility model provides a hydro-optical needle filling device with a positioning structure. The hydro-optical needle filling device comprises a base, a support, filling equipment, a filling platform, a lifting assembly, a moving assembly, an adjusting assembly and a positioning assembly. Compared with a traditional hydro-optical needle filling device in the using process, the hydro-optical needle filling device is provided with the adjusting structure and the positioning structures, the adjusting structure is started to drive the multiple sets of positioning structures to conduct synchronous adjusting rotation, then, multiple sets of hydro-optical needle tubes can be synchronously clamped and positioned through the multiple sets of positioning structures, and the working efficiency is improved. Therefore, the purpose of accurately positioning the hydro-optical needle tube can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of water light needle filling devices, in particular to a water light needle filling device with a positioning structure. Background Art

[0002] The hyaluronic acid needle generally comprises a syringe, a piston and a piston rod. Generally, the filling process is to push the piston to the bottom in the syringe to expel the internal air, and then inject liquid from the needle. During the filling process, the piston and the piston rod are pushed to move by the liquid hydraulic pressure until a specified amount of liquid is injected to complete the filling. The utility model relates to the technical field of hyaluronic acid needle filling devices. With the development of society, the hyaluronic acid needle filling device industry has become more and more developed, and the hyaluronic acid needle filling devices have been continuously improved to meet the needs of production. Most hyaluronic acid needle filling devices have the function of controlled filling, but the function of precise positioning of the hyaluronic acid needle tube is not perfect enough, and it is inconvenient to operate and use. Since the hyaluronic acid needle tube is directly placed in the receiving tank, when the hyaluronic acid needle tube is resisted by the outside world, it will tip over, and the filling tube mouth will shift accordingly, which will cause leakage in the filling, resulting in waste of resources and affecting the efficiency of the filling work, thus making it inconvenient to achieve the problem of precise positioning of the hyaluronic acid needle tube. Utility Model Content

[0003] In order to overcome the problem that during the use of the hyaluronic acid needle filling device, since the hyaluronic acid needle tube is directly placed inside the receiving tank, when the hyaluronic acid needle tube is impacted by the outside world, it will fall over, and the filling tube mouth will shift accordingly, which will cause leakage in the filling, resulting in waste of resources, affecting the efficiency of the filling work, and making it inconvenient to achieve accurate positioning of the hyaluronic acid needle tube.

[0004] The technical solution of the utility model is: a hyaluronic acid injection filling device with a positioning structure, comprising a base, a bracket, a filling device, a filling platform, a lifting component, a moving component, an adjusting component and a positioning component; a moving component is arranged above the base, a filling platform is arranged above the moving component, an adjusting component is arranged inside the filling platform, a positioning component is arranged above the adjusting component, a bracket is arranged on one side of the base, a lifting component is arranged on the side wall of the bracket, and a filling device is arranged on the side wall of the lifting component.

[0005] Preferably, when filling the hyaluronic acid needle tubes, first, starting the moving component can drive the filling platform guide to move to the bottom of the filling equipment, and then starting the adjusting component can drive multiple groups of positioning components to perform synchronous adjustment and rotation. Through the multiple groups of positioning components, multiple groups of hyaluronic acid needle tubes can be synchronously clamped and positioned, thereby achieving the purpose of accurately positioning the hyaluronic acid needle tubes.

[0006] Preferably, the lifting assembly includes a top plate, a cylinder and a fixed block; a top plate is arranged above the bracket, a cylinder is arranged inside the top plate, and a fixed block is arranged at one end of the cylinder; starting the cylinder can drive the fixed block to move up and down, and the fixed block can drive the lifting assembly to move up and down.

[0007] Preferably, the lifting assembly also includes a lifting seat, a lifting block and a lifting slide rail; the lifting slide rail is arranged on the side wall of the bracket, and two groups of lifting slide rails are arranged, and a lifting seat is arranged on the side wall of the fixed block, and lifting blocks are arranged on both sides of the lifting seat, and the lifting blocks are arranged on the outside of the lifting slide rail, and the lifting blocks are slidably connected to the lifting slide rail; the starting cylinder can drive the fixed block to move up and down, the fixed block can drive the lifting seat to move up and down, and the lifting seat is lifted and moved through the lifting slide rail with the help of the lifting block, thereby driving the filling equipment to achieve a height adjustment effect.

[0008] Preferably, the movable assembly includes a dustproof shell, a movable frame and a movable groove; a movable frame is arranged above the base, a movable groove is opened inside the movable frame, and a dustproof shell is arranged on the side wall of the movable frame; the dustproof shell can play a role of dustproof protection, and the movable frame and the movable groove can play a role of guiding movement.

[0009] Preferably, the moving assembly also includes a rotating motor, a threaded rod and a moving block; a rotating motor is arranged inside the dustproof shell, a threaded rod is arranged at the output end of the rotating motor, the threaded rod is arranged inside the moving frame, one end of the threaded rod is rotatably connected to the inner wall of the moving groove, a moving block is arranged on the side wall of the threaded rod, and the moving block is threadedly connected to the threaded rod; starting the rotating motor can drive the threaded rod to rotate, the threaded rod can drive the moving block to guide movement through the moving groove, and the moving block can drive the filling platform to guide movement.

[0010] Preferably, the adjustment component includes a mounting groove, a mounting shell, a mounting block, an active motor, an active shaft, an active gear, a driven shaft, a driven gear, a transmission shaft and a transmission gear; a mounting shell is provided on the side wall of the filling platform, an active motor is provided inside the mounting shell, an active shaft is provided at the output end of the active motor, a mounting groove is provided inside the filling platform, a mounting block is provided inside the mounting groove, one end of the active shaft is rotatably connected to the side wall of the mounting block, a driving gear is provided on the side wall of the active shaft, a driven shaft is provided on the inner wall of the mounting groove, and both ends of the driven shaft are connected to the inner wall of the mounting groove. A driven gear is provided on the side wall of the driven shaft, the driven gear meshes with the driving gear, a transmission shaft is provided on the inner wall of the mounting groove, both ends of the transmission shaft are rotationally connected with the inner wall of the mounting groove, a transmission gear is provided on the side wall of the transmission shaft, the transmission gear meshes with the driven gear; starting the active motor can drive the active gear to rotate through the active shaft, the active gear can drive the driven shaft to rotate through the driven gear, and at the same time, the driven gear can drive the transmission shaft to rotate synchronously in the opposite direction through the transmission gear, thereby driving multiple sets of positioning components to be synchronously adjusted and reversed.

[0011] Preferably, the positioning assembly includes a placement groove, a receiving groove, a rotating block, a connecting block, a connecting rod, a positioning frame, a positioning spring and a positioning plate; a receiving groove is provided above the filling platform, and the receiving groove is provided with multiple groups, a placement groove is provided inside the receiving groove, and a positioning frame is provided inside the receiving groove, and the positioning frame is provided with multiple groups, a rotating block is provided on the bottom wall of the positioning frame, and the rotating block is provided with multiple groups, the inner wall of the rotating block is fixedly connected to the side wall of the driven shaft, the inner wall of the other rotating block is fixedly connected to the side wall of the transmission shaft, a connecting block is provided on the bottom wall of the positioning frame, and another connecting block is provided on the bottom wall of the other positioning frame, a connecting rod is provided on the side wall of the connecting block, and the connecting rod is provided with multiple groups, one end of the connecting rod is fixedly connected to the other connecting block, and one end of the other connecting rod is rotatably connected to the inner wall of the mounting groove, and a Positioning spring, there are multiple groups of positioning springs, and a positioning plate is arranged at one end of the positioning spring; the driven shaft can drive the positioning frame to rotate and adjust through the rotating block, and at the same time, the transmission shaft can drive another positioning frame to rotate and adjust through another rotating block, and the two groups of positioning frames can drive the two groups of positioning plates to position and clamp the hyaluronic acid needle tubes inside the placement groove, and according to the rebound force generated by the elastic deformation of the positioning spring, the positioning spring can drive the positioning plate to shrink and adjust, so that hyaluronic acid needle tubes of different sizes can be positioned and clamped, and the positioning frame can drive the connecting rod to rotate and adjust through the connecting block, and then it can drive multiple groups of positioning frames in the same row to rotate and adjust synchronously, so as to achieve the effect of synchronously positioning and clamping multiple groups of hyaluronic acid needle tubes, and then achieve the purpose of accurately positioning the hyaluronic acid needle tubes.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with the traditional water-light needle filling device, during use, since the water-light needle tube is directly placed inside the receiving tank, when the water-light needle tube is resisted by the outside world, it will fall over, and the filling tube mouth will be offset, which will cause leakage during filling, resulting in waste of resources and affecting the efficiency of filling work, thus making it inconvenient to achieve the problem of accurate positioning of the water-light needle tube. The water-light needle filling device is provided with an adjustment structure and a positioning structure. Starting the moving structure can drive the filling platform guide to move to the bottom of the filling equipment, and then starting the adjustment structure can drive multiple groups of positioning structures to adjust and rotate synchronously. Subsequently, multiple groups of water-light needle tubes can be synchronously clamped and positioned through multiple groups of positioning structures, thereby achieving the purpose of accurate positioning of the water-light needle tubes;

[0014] 2. Starting the active motor can drive the active gear to rotate through the active shaft, and the active gear can drive the driven shaft to rotate through the driven gear. At the same time, the driven gear can drive the transmission shaft to rotate in the opposite direction synchronously through the transmission gear, thereby driving multiple sets of positioning components to synchronously adjust and reverse, and the driven shaft can drive the positioning frame to rotate and adjust through the rotating block, and at the same time, the transmission shaft can drive another positioning frame to rotate and adjust through another rotating block, and the two sets of positioning frames can drive the two sets of positioning plates to position and clamp the water light needle tube inside the placement groove, and according to the rebound force generated by the elastic deformation of the positioning spring, the positioning spring can drive the positioning plate to shrink and adjust, so that water light needle tubes of different sizes can be positioned and clamped, and the positioning frame can drive the connecting rod to rotate and adjust through the connecting block, and then drive multiple sets of positioning frames in the same row to rotate and adjust synchronously, so as to achieve the effect of synchronous positioning and clamping of multiple sets of water light needle tubes, and then achieve the purpose of precise positioning of the water light needle tubes;

[0015] 3. Starting the cylinder can drive the fixed block to move up and down, the fixed block can drive the lifting seat to move up and down, and the lifting seat can move up and down through the lifting rail with the help of the lifting block, thereby driving the filling equipment to achieve the effect of height adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a first three-dimensional structural schematic diagram of a water light needle filling device with a positioning structure of the utility model;

[0017] Figure 2 What is shown is a schematic diagram of the first partial three-dimensional structure of a water light needle filling device with a positioning structure of the utility model;

[0018] Figure 3 What is shown is a second partial three-dimensional structural schematic diagram of a water light needle filling device with a positioning structure of the utility model;

[0019] Figure 4Shown is a third partial three-dimensional structural schematic diagram of a water light needle filling device with a positioning structure of the utility model;

[0020] Explanation of reference numerals: 1. lifting assembly; 2. moving assembly; 3. adjusting assembly; 4. positioning assembly; 5. base; 6. bracket; 7. filling equipment; 8. filling platform; 101. cylinder; 102. fixed block; 103. top plate; 104. lifting seat; 105. lifting block; 106. lifting slide rail; 201. dust cover; 202. moving frame; 203. moving slot; 204. rotating motor; 205. threaded rod; 206. moving Moving block; 301, mounting groove; 302, mounting shell; 303, mounting block; 304, driving motor; 305, driving shaft; 306, driving gear; 307, driven shaft; 308, driven gear; 309, transmission shaft; 310, transmission gear; 401, placement groove; 402, accommodating groove; 403, rotating block; 404, connecting block; 405, connecting rod; 406, positioning frame; 407, positioning spring; 408, positioning plate. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1 The utility model provides an embodiment: a water-light needle filling device with a positioning structure, including a base 5, a bracket 6, a filling device 7, a filling platform 8, a lifting component 1, a moving component 2, an adjusting component 3 and a positioning component 4; the moving component 2 is arranged above the base 5, the filling platform 8 is arranged above the moving component 2, the adjusting component 3 is arranged inside the filling platform 8, the positioning component 4 is arranged above the adjusting component 3, a bracket 6 is arranged on one side of the base 5, the lifting component 1 is arranged on the side wall of the bracket 6, and the filling device 7 is arranged on the side wall of the lifting component 1.

[0023] See also Figure 2The lifting assembly 1 includes a top plate 103, a cylinder 101 and a fixed block 102; a top plate 103 is arranged above the bracket 6, a cylinder 101 is arranged inside the top plate 103, and a fixed block 102 is arranged at one end of the cylinder 101; starting the cylinder 101 can drive the fixed block 102 to move up and down, and the fixed block 102 can drive the lifting assembly 1 to move up and down; the lifting assembly 1 also includes a lifting seat 104, a lifting block 105 and a lifting rail 106; a lifting rail 106 is arranged on the side wall of the bracket 6, and the lifting rail 106 is arranged in two groups, a lifting seat 104 is arranged on the side wall of the fixed block 102, and lifting blocks 105 are arranged on both sides of the lifting seat 104, and the lifting block 105 is arranged on the outside of the lifting rail 106, and the lifting block 105 is slidably connected with the lifting rail 106; starting the cylinder 101 can drive the fixed block 102 to move up and down, the fixed block 102 can drive the lifting seat 104 to move up and down, and the lifting seat 104 is lifted and moved by the lifting block 105 through the lifting rail 106, thereby driving the filling equipment 7 to achieve a height adjustment effect; the moving component 2 includes a dustproof shell 201, a moving frame 202 and a moving groove 203; a moving frame 202 is arranged above the base 5, a moving groove 203 is opened inside the moving frame 202, and a dustproof shell 201 is arranged on the side wall of the moving frame 202; the dustproof shell 201 can play a role of dust protection, and the moving frame 202 and the moving groove 203 can play a role of guiding movement.

[0024] See also Figure 3-4In this embodiment, the moving assembly 2 also includes a rotating motor 204, a threaded rod 205 and a moving block 206; the dustproof shell 201 is provided with a rotating motor 204, the output end of the rotating motor 204 is provided with a threaded rod 205, the threaded rod 205 is provided inside the moving frame 202, one end of the threaded rod 205 is rotatably connected to the inner wall of the moving groove 203, and a moving block 206 is provided on the side wall of the threaded rod 205, and the moving block 206 is threadedly connected to the threaded rod 205; starting the rotating motor 204 can drive the threaded rod 205 to rotate, and the threaded rod 205 can drive the moving block 206 to move The movable groove 203 is guided to move, and the movable block 206 can drive the filling platform 8 to move in a guided manner; the adjustment component 3 includes a mounting groove 301, a mounting shell 302, a mounting block 303, an active motor 304, a driving shaft 305, a driving gear 306, a driven shaft 307, a driven gear 308, a transmission shaft 309 and a transmission gear 310; a mounting shell 302 is provided on the side wall of the filling platform 8, and an active motor 304 is provided inside the mounting shell 302, and a driving shaft 305 is provided at the output end of the active motor 304, and a mounting groove 301 is provided inside the filling platform 8, and the internal arrangement of the mounting groove 301 There is a mounting block 303, one end of a driving shaft 305 is rotatably connected to the side wall of the mounting block 303, a driving gear 306 is arranged on the side wall of the driving shaft 305, a driven shaft 307 is arranged on the inner wall of the mounting groove 301, both ends of the driven shaft 307 are rotatably connected to the inner wall of the mounting groove 301, a driven gear 308 is arranged on the side wall of the driven shaft 307, the driven gear 308 is meshed with the driving gear 306, a transmission shaft 309 is arranged on the inner wall of the mounting groove 301, both ends of the transmission shaft 309 are rotatably connected to the inner wall of the mounting groove 301, a transmission gear 310 is arranged on the side wall of the transmission shaft 309, and a transmission shaft 309 is provided. The gear 310 is meshed with the driven gear 308; when the active motor 304 is started, the active gear 306 can be driven to rotate through the active shaft 305, and the active gear 306 can drive the driven shaft 307 to rotate through the driven gear 308. At the same time, the driven gear 308 can drive the transmission shaft 309 to rotate synchronously in the opposite direction through the transmission gear 310, thereby driving multiple groups of positioning components 4 to synchronously adjust and reverse; the positioning component 4 includes a placement groove 401, a receiving groove 402, a rotating block 403, a connecting block 404, a connecting rod 405, a positioning frame 406, a positioning spring 407 and a positioning plate 408;A receiving groove 402 is provided above the filling platform 8, and the receiving groove 402 is provided with multiple groups. A placement groove 401 is provided inside the receiving groove 402. A positioning frame 406 is provided inside the receiving groove 402, and the positioning frame 406 is provided with multiple groups. A rotating block 403 is provided on the bottom wall of the positioning frame 406, and the rotating block 403 is provided with multiple groups. The inner wall of the rotating block 403 is fixedly connected to the side wall of the driven shaft 307, and the inner wall of the other rotating block 403 is fixedly connected to the side wall of the transmission shaft 309. A connecting block 404 is provided on the bottom wall of the positioning frame 406, and another connecting block 404 is provided on the bottom wall of the other positioning frame 406. A connecting rod 405 is provided on the side wall of the connecting block 404, and the connecting rod 405 is provided with multiple groups. One end of the connecting rod 405 is fixedly connected to the other connecting block 404, and one end of the other connecting rod 405 is rotatably connected to the inner wall of the mounting groove 301. A positioning spring 407 is provided on the inner wall of the positioning frame 406, and the positioning spring 4 07 is provided with multiple groups, and a positioning plate 408 is provided at one end of the positioning spring 407; the driven shaft 307 can drive the positioning frame 406 to rotate and adjust through the rotating block 403, and at the same time, the transmission shaft 309 can drive another positioning frame 406 to rotate and adjust through another rotating block 403, and the two groups of positioning frames 406 can drive the two groups of positioning plates 408 to position and clamp the water light needle tube inside the placement groove 401. According to the rebound force generated by the elastic deformation of the positioning spring 407, the positioning spring 407 can drive the positioning plate 408 to shrink and adjust, so that the water light needle tubes of different sizes can be positioned and clamped, and the positioning frame 406 can drive the connecting rod 405 to rotate and adjust through the connecting block 404, and then drive the multiple groups of positioning frames 406 in the same row to rotate and adjust synchronously, so as to achieve the effect of synchronous positioning and clamping of multiple groups of water light needle tubes, and then achieve the purpose of accurate positioning of the water light needle tubes. ;

[0025] When filling the water light needle tube, first, the rotating motor 204 is started to drive the threaded rod 205 to rotate, and the threaded rod 205 can drive the moving block 206 to move through the moving groove 203, and the moving block 206 can drive the filling platform 8 to move to the bottom of the filling device 7;

[0026] Then, the driving motor 304 is started to drive the driving gear 306 to rotate through the driving shaft 305, and the driving gear 306 can drive the driven shaft 307 to rotate through the driven gear 308. At the same time, the driven gear 308 can drive the transmission shaft 309 to rotate synchronously in the opposite direction through the transmission gear 310, thereby driving the multiple positioning components 4 to synchronously adjust the reverse direction;

[0027] Subsequently, the driven shaft 307 can drive the positioning frame 406 to rotate and adjust through the rotating block 403. At the same time, the transmission shaft 309 can drive another positioning frame 406 to rotate and adjust through another rotating block 403. The two groups of positioning frames 406 can drive the two groups of positioning plates 408 to position and clamp the water light needle tube inside the placement groove 401. According to the rebound force generated by the elastic deformation of the positioning spring 407, the positioning spring 407 can drive the positioning plate 408 to shrink and adjust, so that water light needle tubes of different sizes can be positioned and clamped;

[0028] Furthermore, the positioning frame 406 can drive the connecting rod 405 to rotate and adjust through the connecting block 404, and then drive multiple groups of positioning frames 406 in the same row to rotate and adjust synchronously, so as to achieve the effect of synchronous positioning and clamping of multiple groups of water-light needle tubes, and further achieve the purpose of accurately positioning the water-light needle tubes;

[0029] At the same time, starting the cylinder 101 can drive the fixed block 102 to move up and down, and the fixed block 102 can drive the lifting seat 104 to move up and down, and the lifting seat 104 can move up and down through the lifting slide rail 106 with the help of the lifting block 105, thereby driving the filling equipment 7 to achieve a height adjustment effect.

[0030] Through the above steps, when filling the hyaluronic acid needle tubes, first, starting the moving component 2 can drive the filling platform 8 to move to the bottom of the filling equipment 7, and then starting the adjusting component 3 can drive the multiple groups of positioning components 4 to adjust and rotate synchronously, and then, the multiple groups of positioning components 4 can be used to synchronously clamp and position the multiple groups of hyaluronic acid needle tubes, thereby achieving the purpose of accurately positioning the hyaluronic acid needle tubes.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A water light needle filling device with a positioning structure, comprising a base (5); characterized in that: The invention also comprises a support (6), a filling device (7), a filling platform (8), a lifting component (1), a moving component (2), an adjusting component (3) and a positioning component (4); the moving component (2) is arranged above the base (5), the filling platform (8) is arranged above the moving component (2), the adjusting component (3) is arranged inside the filling platform (8), the positioning component (4) is arranged above the adjusting component (3), a support (6) is arranged on one side of the base (5), the lifting component (1) is arranged on the side wall of the support (6), and the filling device (7) is arranged on the side wall of the lifting component (1).

2. The water light needle filling device with a positioning structure according to claim 1 is characterized in that: The lifting assembly (1) comprises a top plate (103), a cylinder (101) and a fixing block (102); the top plate (103) is arranged above the bracket (6), the cylinder (101) is arranged inside the top plate (103), and the fixing block (102) is arranged at one end of the cylinder (101).

3. The water light needle filling device with a positioning structure according to claim 1 is characterized in that: The lifting assembly (1) further comprises a lifting seat (104), a lifting block (105) and a lifting rail (106); the lifting rail (106) is arranged on the side wall of the bracket (6); two groups of the lifting rail (106) are arranged; the lifting seat (104) is arranged on the side wall of the fixed block (102); lifting blocks (105) are arranged on both sides of the lifting seat (104); the lifting blocks (105) are arranged outside the lifting rail (106); and the lifting blocks (105) are slidably connected to the lifting rail (106).

4. The water light needle filling device with a positioning structure according to claim 1 is characterized in that: The moving assembly (2) comprises a dustproof shell (201), a moving frame (202) and a moving groove (203); the moving frame (202) is arranged above the base (5), the moving groove (203) is provided inside the moving frame (202), and the dustproof shell (201) is arranged on the side wall of the moving frame (202).

5. The water light needle filling device with a positioning structure according to claim 4 is characterized in that: The moving assembly (2) further comprises a rotating motor (204), a threaded rod (205) and a moving block (206); the rotating motor (204) is arranged inside the dustproof housing (201); the output end of the rotating motor (204) is arranged with a threaded rod (205); the threaded rod (205) is arranged inside the moving frame (202); one end of the threaded rod (205) is rotatably connected to the inner wall of the moving groove (203); a moving block (206) is arranged on the side wall of the threaded rod (205); and the moving block (206) is threadedly connected to the threaded rod (205).

6. The water light needle filling device with a positioning structure according to claim 1 is characterized in that: The adjustment component (3) comprises a mounting groove (301), a mounting shell (302), a mounting block (303), a driving motor (304), a driving shaft (305), a driving gear (306), a driven shaft (307), a driven gear (308), a transmission shaft (309) and a transmission gear (310); a mounting shell (302) is arranged on the side wall of the filling platform (8); a driving motor (304) is arranged inside the mounting shell (302); a driving shaft (305) is arranged at the output end of the driving motor (304); a mounting groove (301) is opened inside the filling platform (8); a mounting block (303) is arranged inside the mounting groove (301); one end of the driving shaft (305) is connected to the mounting block ( The driving shaft (305) is rotatably connected to the side wall of the mounting groove (301), a driving gear (306) is arranged on the side wall of the driving shaft (305), a driven shaft (307) is arranged on the inner wall of the mounting groove (301), both ends of the driven shaft (307) are rotatably connected to the inner wall of the mounting groove (301), a driven gear (308) is arranged on the side wall of the driven shaft (307), and the driven gear (308) meshes with the driving gear (306), a transmission shaft (309) is arranged on the inner wall of the mounting groove (301), both ends of the transmission shaft (309) are rotatably connected to the inner wall of the mounting groove (301), a transmission gear (310) is arranged on the side wall of the transmission shaft (309), and the transmission gear (310) meshes with the driven gear (308).

7. The water light needle filling device with a positioning structure according to claim 1 is characterized in that: The positioning assembly (4) comprises a placement groove (401), a receiving groove (402), a rotating block (403), a connecting block (404), a connecting rod (405), a positioning frame (406), a positioning spring (407) and a positioning plate (408); a receiving groove (402) is provided above the filling platform (8), the receiving groove (402) is provided with a plurality of groups, a placement groove (401) is provided inside the receiving groove (402), a positioning frame (406) is provided inside the receiving groove (402), the positioning frame (406) is provided with a plurality of groups, a rotating block (403) is provided on the bottom wall of the positioning frame (406), the rotating block (403) is provided with a plurality of groups, and the inner wall of the rotating block (403) is fixed to the side wall of the driven shaft (307). The inner wall of the other rotating block (403) is fixedly connected to the side wall of the transmission shaft (309), the bottom wall of the positioning frame (406) is provided with a connecting block (404), the bottom wall of the other positioning frame (406) is provided with another connecting block (404), the side wall of the connecting block (404) is provided with a connecting rod (405), a plurality of connecting rods (405) are provided, one end of the connecting rod (405) is fixedly connected to the other connecting block (404), one end of the other connecting rod (405) is rotatably connected to the inner wall of the mounting groove (301), a positioning spring (407) is provided on the inner wall of the positioning frame (406), a plurality of positioning springs (407) are provided, and a positioning plate (408) is provided at one end of the positioning spring (407).

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