Pre-filling needle sliding groove type discharging device
By using inclined guide rails and a turntable structure, the problem of low efficiency in the pre-filled needle feeding process is solved, and efficient and stable automatic feeding and transfer operations are achieved.
Patent Information
- Application Number
- CN202520378068.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-06
AI Technical Summary
Existing feeding equipment is inefficient and has poor adaptability in the feeding process of pre-filled needles, making it difficult to achieve efficient and damage-free syringe delivery.
The first and second guide rails are inclined to form a groove that fits the diameter of the pre-filled needle. Combined with the baffle, guide block and turntable structure, the pre-filled needle slides by gravity and is automatically unloaded and transferred through the turntable bayonet.
It achieves stable delivery and efficient feeding of pre-filled needles, significantly improving feeding efficiency, which is far superior to existing technologies.
Smart Images

Figure CN223721312U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the field of discharging equipment, and particularly relates to a pre-filled needle sliding chute type discharging device. BACKGROUND
[0002] A pre-filled needle is a medical device in which a drug solution is pre-packaged in a syringe, and is widely used in clinical injection of vaccines, biological agents and high-value drugs. In the production process, the pre-filled needle needs to go through precise assembly, filling and packaging. In the automatic production line, the feeding link of the pre-filled needle is particularly critical, and it is necessary to ensure that the syringe is efficiently and losslessly delivered to the work station in a specific direction and posture. However, the existing feeding equipment generally has the problems of low efficiency and poor adaptability. Therefore, it is necessary to solve the above technical problems. CONTENT OF THE UTILITY MODEL
[0003] The purpose of the embodiment of the application is to provide a pre-filled needle sliding chute type discharging device to solve the technical problem of low discharging efficiency of the pre-filled needle in the prior art.
[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the application is to provide a pre-filled needle sliding chute type discharging device, comprising:
[0005] a rack;
[0006] a first guide rail connected to the rack and inclined relative to the horizontal direction;
[0007] a second guide rail arranged in parallel with the first guide rail and forming a first sliding chute adapted to the diameter of a target pre-filled needle;
[0008] a baffle connected to one end of the first guide rail with lower height and spaced opposite to the first sliding chute;
[0009] a guide block connected to one end of the second guide rail with lower height and forming an axially vertical arc surface, the arc surface cooperating with the baffle to form a second sliding chute connected to the end of the first sliding chute;
[0010] a turntable coaxially arranged with the arc surface, the turntable abutting on the arc surface and capable of rotating relative to the arc surface around the central axis thereof, and the edge of the turntable forming a bayonet for the target pre-filled needle to partially pass through.
[0011] Optionally, the bayonet is provided with a plurality of bayonets uniformly distributed around the central axis of the turntable.
[0012] Optionally, the pre-filled needle sliding chute type discharging device further comprises a guard connected to the rack.
[0013] The guard extends in an arc direction and is coaxial with the turntable, and the guard is further arranged in spaced relation with the turntable and forms a third sliding chute connected to the second sliding chute.
[0014] Optionally, the pre-filled needle sliding chute type feeding device further comprises sensors connected to the first guide rail and / or the second guide rail and used for detecting the moving position of the target pre-filled needle.
[0015] The sensors are arranged in at least two and are spaced along the extension direction of the first sliding chute.
[0016] Optionally, the pre-filled needle sliding chute type feeding device further comprises guide plates connected to the first guide rail and the second guide rail respectively.
[0017] The guide plates are spaced to facilitate guiding the target pre-filled needle into the first sliding chute.
[0018] Optionally, the first guide rail and the second guide rail are formed with spray holes communicated with the first sliding chute respectively.
[0019] The spray holes are used for communicating with an external gas supply device and the axial direction of the spray holes is parallel to the arrangement direction of the first guide rail and the second guide rail.
[0020] Optionally, the pre-filled needle sliding chute type feeding device further comprises a support plate connected to the rack and an air inlet connector mounted on the support plate.
[0021] The first guide rail and the second guide rail are connected to the rack through corresponding support plates respectively, the support plates are formed with flat wings, the air inlet connector is mounted on the wings perpendicularly and is communicated with the spray holes.
[0022] Optionally, the pre-filled needle sliding chute type feeding device further comprises a base connected to the rack and a handle supported by the base.
[0023] The handle is arranged horizontally and the axial direction thereof is parallel to the arrangement direction of the first guide rail and the second guide rail, the support plate is connected to the base through the handle and can be adjusted by the handle to move relative to the base along the axial direction of the handle.
[0024] The pre-filled needle chute type discharging device provided by the application has the beneficial effects that: compared with the prior art, in the pre-filled needle chute type discharging device provided by the application, the first guide rail cooperates with the second guide rail to form a first chute that is inclined relative to the horizontal direction, and the baffle connected to the first guide rail cooperates with the guide block connected to the second guide rail to form a second chute that is connected to the end of the first chute. Since the interval between the first guide rail and the second guide rail is adapted to the diameter of the target pre-filled needle, and since the rotating disc coaxially arranged on the arc surface of the guide block abuts on the arc surface and forms a bayonet hole at the edge for the target pre-filled needle to pass through, when the target pre-filled needle enters the first chute, it can automatically slide along the first chute to the starting end of the second chute under the action of its own gravity and be blocked by the baffle and the part of the rotating disc that is not provided with the bayonet hole. In this way, during the continuous rotation of the rotating disc, the target pre-filled needle can enter the bayonet hole provided on the rotating disc and be driven by the rotating disc to move along the extension direction of the arc surface, and then be transferred to the subsequent conveying process. Therefore, the pre-filled needle chute type discharging device provided in the application can automatically complete the discharging and transferring operations of the target pre-filled needle, not only the conveying process is stable, but also the discharging efficiency is high, which is much better than the prior art. BRIEF DESCRIPTION OF DRAWINGS
[0025] In order to more clearly illustrate the technical solutions in the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can also be obtained by those skilled in the art without creative labor.
[0026] Figure 1 It is a partial structure schematic diagram of the pre-filled needle chute type discharging device in the embodiments of the application.
[0027] Figure 2 It is a partial structure schematic diagram of the pre-filled needle chute type discharging device in the embodiments of the application.
[0028] Figure 3 It is Figure 2 It is an enlarged view of structure A in FIG. 6.
[0029] Figure 4 It is a front view structure schematic diagram of the pre-filled needle chute type discharging device in the embodiments of the application.
[0030] Figure 5 It is a side view structure schematic diagram of the pre-filled needle chute type discharging device in the embodiments of the application.
[0031] Wherein, the reference signs in the figure: 100, rack; 101, first guide rail; 102, second guide rail; 103, first sliding groove; 104, baffle; 105, guide block; 106, arc surface; 107, second sliding groove; 108, rotating disc; 109, bayonet; 110, guard edge; 111, third sliding groove; 112, sensor; 113, guide sheet; 114, injection hole; 115, support plate; 116, air inlet connector; 117, wing edge; 118, base; 119, handle; 200, target pre-filled needle. DETAILED DESCRIPTION
[0032] In order to make the technical problems to be solved by the present application, the technical solutions and beneficial effects clearer, the present application will be further described in detail below in conjunction with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and not to limit the present application.
[0033] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0034] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0035] In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.
[0036] Please refer to Figures 1 to 5 , now a pre-filled needle sliding groove type feeding device provided by the embodiment of the present application will be described. The pre-filled needle sliding groove type feeding device comprises a rack 100, a first guide rail 101, a second guide rail 102, a baffle 104, a guide block 105, and a rotating disc 108. Among them:
[0037] The first guide rail 101 is connected to the rack 100 and is inclined relative to the horizontal direction; the second guide rail 102 is arranged in parallel with the first guide rail 101 and forms a first sliding groove 103 which is adapted to the diameter of the target pre-filled needle 200; the blocking piece 104 is connected to the lower end of the first guide rail 101 and is opposite to the first sliding groove 103; the guide block 105 is connected to the lower end of the second guide rail 102 and forms an axial vertical arc surface 106 which cooperates with the blocking piece 104 to form a second sliding groove 107 which is connected to the end of the first sliding groove 103; the rotating disc 108 is coaxially arranged with the arc surface 106, and the rotating disc 108 abuts against the arc surface 106 and can rotate relative to the arc surface 106 around the central axis of the rotating disc 108, and the edge of the rotating disc 108 forms a bayonet 109 through which the target pre-filled needle 200 partially passes.
[0038] According to the above structure provided in the embodiment, in the pre-filled needle sliding groove type unloading device provided in the embodiment, the first guide rail 101 cooperates with the second guide rail 102 to form the first sliding groove 103 which is inclined relative to the horizontal direction, and the blocking piece 104 connected to the first guide rail 101 cooperates with the guide block 105 connected to the second guide rail 102 to form the second sliding groove 107 which is connected to the end of the first sliding groove 103. Since the interval between the first guide rail 101 and the second guide rail 102 is adapted to the diameter of the target pre-filled needle 200, and since the rotating disc 108 coaxially arranged with the arc surface 106 on the guide block 105 abuts against the arc surface 106 and forms the bayonet 109 at the edge through which the target pre-filled needle 200 partially passes, when the target pre-filled needle 200 enters the first sliding groove 103, it can automatically slide along the first sliding groove 103 to the starting end of the second sliding groove 107 under the action of its own gravity and is blocked by the blocking piece 104 and the part of the rotating disc 108 on which the bayonet 109 is not arranged. In this way, during the continuous rotation of the rotating disc 108, the target pre-filled needle 200 can enter the bayonet 109 arranged on the rotating disc 108 and be driven by the rotating disc 108 to move along the extension direction of the arc surface 106, and then be transferred to the subsequent conveying process. Therefore, the pre-filled needle sliding groove type unloading device provided in the embodiment can automatically complete the unloading and transferring operations of the target pre-filled needle 200, not only the conveying process is stable, but also the unloading efficiency is high, which is much better than the prior art.
[0039] In another embodiment of the present application, please refer to Figures 1 to 5 The bayonet 109 is arranged in multiple numbers and uniformly distributed around the central axis of the rotating disc 108. According to the above structure provided in the embodiment, the rotating disc 108 provided with multiple bayonets 109 can transfer multiple target pre-filled needles 200 during one rotation around the central axis thereof, which is beneficial to further improve the unloading efficiency of the pre-filled needle sliding groove type unloading device in the embodiment.
[0040] In another embodiment of the present application, please refer to Figures 1 to 5The pre-filled needle sliding slot type discharging device further comprises a guard 110 connected to the frame 100; the guard 110 extends along an arc direction and is coaxial with the rotating disc 108, and the guard 110 is arranged in a spaced manner with the rotating disc 108 and forms a third sliding slot 111 connected to the second sliding slot 107. According to the above structure provided in the embodiment, since the guard 110 is arranged coaxially with the rotating disc 108 and the third sliding slot 111 formed by the guard 110 in cooperation with the rotating disc 108 is connected to the second sliding slot 107, the angle of rotation of the target pre-filled needle 200 around the central axis of the rotating disc 108 when the target pre-filled needle 200 slides in the second sliding slot 107 and the third sliding slot 111 can be significantly improved, thereby facilitating further improvement of the discharging efficiency of the pre-filled needle sliding slot type discharging device in the embodiment.
[0041] In another embodiment of the present application, please refer to Figures 1 to 5 The pre-filled needle sliding slot type discharging device further comprises a sensor 112 connected to the first guide rail 101 and / or the second guide rail 102 and used for detecting the moving position of the target pre-filled needle 200; the sensor 112 is arranged in at least two and is distributed in a spaced manner along the extension direction of the first sliding slot 103. According to the above structure provided in the embodiment, the two sensors 112 arranged in a spaced manner can automatically determine the remaining number of the target pre-filled needles 200 in the first sliding slot 103 by detecting the moving position of the target pre-filled needle 200 in the first sliding slot 103, so that the pre-process cooperating with the sensor 112 can timely convey the target pre-filled needle 200 in the first sliding slot 103, thereby ensuring that there is always sufficient target pre-filled needle 200 to be conveyed in the first sliding slot 103, which facilitates further improvement of the discharging efficiency of the pre-filled needle sliding slot type discharging device in the embodiment.
[0042] In another embodiment of the present application, please refer to Figures 1 to 5 The pre-filled needle sliding slot type discharging device further comprises a guide sheet 113 connected to the first guide rail 101 and the second guide rail 102, respectively; the guide sheets 113 form a space for guiding the target pre-filled needle 200 into the first sliding slot 103. According to the above structure provided in the embodiment, the guide sheets 113 connected to the first guide rail 101 and the second guide rail 102 can make the target pre-filled needle 200 more conveniently enter the first sliding slot 103, which facilitates further improvement of the discharging efficiency of the pre-filled needle sliding slot type discharging device in the embodiment.
[0043] In another embodiment of the present application, please refer to Figures 1 to 5, the first guide rail 101 and the second guide rail 102 are respectively provided with a plurality of spray holes 114 communicated with the first sliding groove 103; the spray holes 114 are used for communicating with an external gas supply device, and the axial direction of the spray holes 114 is parallel to the arrangement direction of the first guide rail 101 and the second guide rail 102. According to the above structure provided in the embodiment, since the spray holes 114 are communicated with the first sliding groove 103 and the axial direction of the spray holes 114 is parallel to the arrangement direction of the first guide rail 101 and the second guide rail 102, the external gas supply device can spray gas into the first sliding groove 103 through the spray holes 114, so that the friction between the target pre-filled needle 200 and the first guide rail 101 or the second guide rail 102 can be significantly reduced, and the target pre-filled needle 200 can also slide more smoothly in the first sliding groove 103, which is beneficial to further improve the discharging efficiency of the pre-filled needle sliding groove type discharging device in the embodiment.
[0044] In another embodiment of the present application, please refer to Figures 1 to 5 , the pre-filled needle sliding groove type discharging device further comprises a support plate 115 connected to the rack 100 and an air inlet connector 116 mounted on the support plate 115; the first guide rail 101 and the second guide rail 102 are respectively connected to the rack 100 through corresponding support plates 115, the support plate 115 is provided with a flat wing edge 117, the air inlet connector 116 is vertically mounted on the wing edge 117 and communicated with the spray holes 114, and here, the wing edge 117 and the first guide rail 101 and the second guide rail 102 are respectively provided with a plurality of matched air channels to communicate the spray holes 114 with the air inlet connector 116. According to the above structure provided in the embodiment, the support plate 115 is provided with the wing edge 117, so that the air inlet connector 116 communicated with the spray holes 114 has better mounting stability, which is beneficial to further improve the discharging efficiency of the pre-filled needle sliding groove type discharging device in the embodiment.
[0045] In another embodiment of the present application, please refer to Figures 1 to 5The pre-filled needle sliding slot type discharging device further comprises a base 118 connected to the rack 100 and a handle 119 which is pivotally supported by the base 118; the handle 119 is horizontally arranged and axially parallel to the arrangement direction of the first guide rail 101 and the second guide rail 102, and the supporting plate 115 is connected to the base 118 through the handle 119 and can be adjusted by the handle 119 to move relative to the base 118 along the axial direction of the handle 119. According to the above structure provided in the embodiment, since the axial direction of the handle 119 is parallel to the arrangement direction of the first guide rail 101 and the second guide rail 102, the supporting plate 115 can be moved relative to the base 118 along the axial direction of the handle 119 when the handle 119 is rotated, so that the first guide rail 101 and the second guide rail 102 connected to the supporting plate 115 can be moved close to or away from each other, thereby the width of the first sliding slot 103 can be better adapted to the diameter of the target pre-filled needle 200, which is beneficial to further improve the discharging efficiency of the pre-filled needle sliding slot type discharging device in the embodiment. It can be understood that the supporting plate 115 can be usually slidably connected to the base 118 through a wire rail or a sliding block or a sliding slot structure, the handle 119 can be pivotally connected to the base 118 through a face shaft bearing structure, and the handle 119 is provided with external threads at the front end and is screw-connected to internal threads or a threaded sleeve which are arranged on the supporting plate 115 in a matched manner, so that the supporting plate 115 can be moved by rotating the handle 119, thereby the distance between the first guide rail 101 and the second guide rail 102 can be adjusted.
[0046] The above only describes the preferred embodiments of the present application and should not be used to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims
1. A pre-charged needle slot feed device, characterized by, The utility model relates to a pre-filled needle chute type discharging device, comprising: a rack (100); a first guide rail (101) connected to the rack (100) and inclined relative to the horizontal direction; a second guide rail (102) arranged in parallel with the first guide rail (101) and forming a first chute (103) adapted to the diameter of a target pre-filled needle (200); a baffle (104) connected to the lower end of the first guide rail (101) and spaced opposite the first chute (103); a guide block (105) connected to the lower end of the second guide rail (102) and forming an axially vertical arc surface (106) that cooperates with the baffle (104) to form a second chute (107) that links to the end of the first chute (103); a turntable (108) coaxially arranged with the arc surface (106), the turntable (108) abutting on the arc surface (106) and capable of rotating relative to the arc surface (106) around its central axis, the edge of the turntable (108) forming a bayonet (109) for the target pre-filled needle (200) to partially pass through.
2. The pre-filled needle chute type discharging device according to claim 1, wherein: the bayonet (109) is provided with a plurality of bayonets uniformly distributed around the central axis of the turntable (108).
3. The pre-filled needle chute type discharging device according to claim 1 or 2, wherein: the pre-filled needle chute type discharging device further comprises a guard edge (110) connected to the rack (100); the guard edge (110) extends in an arc direction and is coaxial with the turntable (108), and the guard edge (110) is further arranged in spaced relation with the turntable (108) and forms a third chute (111) that links to the second chute (107).
4. The pre-filled needle chute type discharging device according to claim 1, wherein: the pre-filled needle chute type discharging device further comprises a sensor (112) connected to the first guide rail (101) and / or the second guide rail (102) and used for detecting the moving position of the target pre-filled needle (200); the sensor (112) is provided with at least two sensors spaced apart along the extension direction of the first chute (103).
5. The pre-filled needle chute type discharging device according to claim 1, wherein: the pre-filled needle chute type discharging device further comprises guide blades (113) respectively connected to the first guide rail (101) and the second guide rail (102); the guide blades (113) form a space between them for guiding the target pre-filled needle (200) into the first chute (103).
6. The pre-filled needle chute type discharging device according to claim 1, wherein: the first guide rail (101) and the second guide rail (102) respectively form a spray hole (114) that communicates with the first chute (103); the spray hole (114) is used for communicating with an external air supply device, and the axial direction of the spray hole (114) is parallel to the arrangement direction of the first guide rail (101) and the second guide rail (102).
7. The pre-filled syringe chute type dispensing device according to claim 6, characterized in that: the pre-filled syringe chute type dispensing device further comprises a support plate (115) connected to the frame (100) and an air inlet connector (116) mounted on the support plate (115); the first guide rail (101) and the second guide rail (102) are connected to the frame (100) through the corresponding support plate (115), the support plate (115) is formed with a flat wing edge (117), and the air inlet connector (116) is vertically mounted on the wing edge (117) and communicates with the spray hole (114).
8. The pre-filled syringe chute type dispensing device according to claim 7, characterized in that: the pre-filled syringe chute type dispensing device further comprises a base (118) connected to the frame (100) and a handle (119) pivotally supported by the base (118); the handle (119) is horizontally arranged and axially parallel to the arrangement direction of the first guide rail (101) and the second guide rail (102), the support plate (115) is connected to the base (118) through the handle (119) and can be adjusted by the handle (119) to move relative to the base (118) along the axial direction of the handle (119).