Exchange needle protective cap feeding mechanism

Abstract

The utility model discloses an exchange needle protective cap feeding mechanism which comprises a vibration disc, the vibration disc adjusts and feeds protective caps according to the same state, a feeding vertical plate is arranged on a vibration disc support below the discharging end of the vibration disc, the feeding vertical plate is provided with a horizontally-arranged linear guide rail, a supporting platform is arranged on the linear guide rail, and the supporting platform is connected with the vibration disc support. A material receiving plate is arranged on the supporting platform, a group of material receiving grooves are formed in the material receiving plate, a feeding side plate is further arranged on the portion, on one side of the material receiving plate, of the supporting platform, an overturning air cylinder is arranged on the feeding side plate, a rack is arranged on a piston rod of the overturning air cylinder, an overturning shaft is further arranged on the feeding side plate, and the rack is connected with the rack. A gear meshed with the rack is arranged at the end, close to the rack, of the overturning shaft, and a set of material receiving ejector pins corresponding to the material receiving grooves are arranged on the overturning shaft.

Description

Technical Field

[0001] The utility model relates to the technical field of medical device manufacturing, in particular to an exchange needle protective cap feeding mechanism. Background Art

[0002] At present, syringes are often used in the field of testing and treatment. For example, when a person or an animal is sick, drugs are often injected into the person or animal through a syringe for treatment. The injection needle on the syringe is an indispensable part of the entire tool. The drug is introduced into the human or animal body through the needle installed on the injection needle. An exchange needle for a syringe includes a needle, a needle seat, a sheath, and a protective cap. The needle and the needle seat are riveted together to form a riveted needle, which is installed in the sheath. A buckled protective cap is provided on the sheath to seal the riveted needle in the buckled sheath and protective cap. The protective cap is provided with a hot mouth and printing. The needle seat and the needle are usually connected by riveting. In the prior art, the assembled injection needles are usually placed on a riveting machine one by one by hand for riveting, and then the riveted needle is manually installed in the sheath and protective cap. The feeding of the protective cap is manually taken, which leads to an increase in the input of manual labor. Utility Model Content

[0003] The purpose of the utility model is to solve the above technical problems and to provide a feeding mechanism for a protective cap of an exchange needle, which can realize automatic feeding of the protective cap.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of exchange needle guard cap feeding mechanism, comprises a vibrating plate, and the vibrating plate adjusts the guard cap to feed in the same state, and a feeding vertical plate is provided on the vibrating plate bracket below the discharge end of the vibrating plate, and the feeding vertical plate is provided with a horizontally arranged linear guide rail, and a supporting platform is provided on the linear guide rail, and a receiving plate is provided on the supporting platform, and a group of receiving grooves are provided on the receiving plate. A feeding side plate is also provided on the supporting platform on one side of the receiving plate, and a turning cylinder is provided on the feeding side plate, and a rack is provided on the piston rod of the turning cylinder, and a turning shaft is also provided on the feeding side plate, and a gear is provided at one end of the turning shaft close to the rack to mesh with the rack, and a group of receiving ejectors corresponding to the receiving groove are provided on the turning shaft, and the guard cap falls directly into the receiving groove along the inclined discharge end, and then the receiving ejector is inserted into the opening end of the guard cap to turn the guard cap from a horizontal state to a vertical state.

[0005] In order to limit the protective cap at the discharge end to the discharge end of the vibration disk and prevent the protective cap from falling off, a further preferred technical solution is that a material blocking cylinder is also provided on the vibration disk bracket below the support platform, and the piston rod of the material blocking cylinder is connected to the support platform. The support platform is pushed by the material blocking cylinder to cause the material receiving plate and the discharge end of the vibration disk to be misaligned, thereby limiting the protective cap at the discharge end to the discharge end of the vibration disk and preventing the protective cap from falling off.

[0006] In order to move the protective cap from the material receiving ejector to the assembly machine, a further preferred technical solution is that a bracket is provided on one side of the vibration plate, a horizontal plate is provided on the bracket, a guide rail is provided on the horizontal plate, a vertical plate is provided on the guide rail, and a loading cylinder arranged parallel to the guide rail is provided on the upper end of the horizontal plate, the piston rod of the loading cylinder is connected to the vertical plate, a vertically arranged lifting rail is provided on the vertical plate, a straw bracket is provided on the lifting rail, a group of straws are provided on the straw bracket, a lifting cylinder is provided on the vertical plate at the upper end of the lifting rail, and the piston rod of the lifting cylinder is connected to the straw bracket.

[0007] Compared with the prior art, the utility model has the following beneficial effects: the protective cap is automatically fed through the vibration plate and flipped into a vertical state through the flipping mechanism, so that the state of the protective cap is adapted to the automatic assembly machine and automatically loaded through the loading mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 This is one of the axonometric drawings of the utility model;

[0009] Figure 2 This is the second axonometric drawing of the utility model;

[0010] In the figure: 1. Vibrating plate; 2. Material blocking cylinder; 3. Linear guide rail; 4. Feeding plate; 5. Support platform; 6. Material receiving ejector pin; 7. Turning shaft; 8. Straw; 9. Straw bracket; 10. Plate; 11. Lifting cylinder; 12. Feeding cylinder; 13. Horizontal plate; 14. Guide rail; 15. Turning cylinder; 16. Material receiving plate; 17. Rack. DETAILED DESCRIPTION

[0011] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0012] Example

[0013] like Figure 1-2As shown, a feeding mechanism for exchange needle caps includes a vibrating plate 1, and the vibrating plate 1 can adopt the vibrating plate structure in the safety syringe needle seat feeding device disclosed in Publication (Announcement) No.: CN217894276U, or the vibrating plate for directional sorting and conveying of injection needle seats disclosed in Publication (Announcement) No.: CN112093428A, or the vibrating plate structure in an automatic directional feeding machine for blood collection needle hard seats disclosed in Publication (Announcement) No.: CN105109931A, as long as the structure of the material channel is matched with the shape of the caps; the vibrating plate 1 adjusts and feeds the caps in the same state that the open end is horizontally facing the rotary plate, and a feeding vertical plate 4 is provided on the vibrating plate bracket below the discharge end of the vibrating plate 1, and the feeding vertical plate 4 is provided with a horizontally arranged linear guide rail 3, and a sliding support platform 5 is provided on the linear guide rail 3, A material receiving plate 16 is provided on the support platform 5, and a group of material receiving grooves are provided on the material receiving plate 16. The material receiving groove is a U-shaped open groove, and the material receiving groove corresponds to the discharge end one by one. A vertically arranged feeding side plate is also provided on the support platform 5 on one side of the material receiving plate, and a flip cylinder 15 is provided on the side of the feeding side plate away from the material receiving groove. A rack 17 is provided on the piston rod of the flip cylinder 15, and a flip shaft 7 is also provided on the protective cap feeding side plate. The flip shaft 7 is arranged at the port position of the discharge groove parallel to the material receiving groove, and a gear is provided at one end of the flip shaft 7 close to the rack 17 to mesh with the rack. A group of material receiving ejector pins 6 corresponding to the material receiving groove are provided on the flip shaft 7, and the protective cap falls directly into the material receiving groove along the inclined discharge end, and then the material receiving ejector pin 6 is inserted into the open end of the protective cap to flip the protective cap from a horizontal state to a vertical state;

[0014] The vibrating plate bracket below the supporting platform 5 is also provided with a material blocking cylinder 2 arranged along the tangent direction of the material discharging trough, and the piston rod of the material blocking cylinder 2 is connected to the supporting platform 5, and the supporting platform 5 is pushed by the material blocking cylinder 2 to move along the linear guide rail, so that the material receiving plate 16 is misaligned with the material discharging end of the vibrating plate 1, and the protective cap of the material discharging end is restricted on the material discharging end of the vibrating plate 1 to prevent the protective cap from falling, and at the same time, the protective cap on the material receiving ejector pin is flipped into a vertical state to facilitate material removal;

[0015] A bracket is also provided on one side of the vibration plate 1, and a horizontal plate 13 is provided on the bracket along a direction away from the discharging end, and a guide rail 14 is provided on the horizontal plate 13 along a direction away from the discharging end, and a vertical plate 10 with a sliding fit is provided on the guide rail 14, and a feeding cylinder 12 arranged parallel to the guide rail 14 is also provided on the upper end of the horizontal plate 13, and a piston rod of the feeding cylinder 12 is connected to the vertical plate 10, and a vertical lifting rail is provided on the vertical plate 10, and a sliding fit straw bracket 9 is provided on the lifting rail, and a group of straws 8 are provided on the straw bracket 9, which are matched one by one with the material receiving ejector pin 6, and a lifting cylinder 11 is also provided on the vertical plate at the upper end of the lifting rail, and the piston rod of the lifting cylinder 11 is connected to the straw bracket 9;

[0016] The protective cap is flipped from a horizontal state to a vertical state by the flip shaft 7, the suction pipe 8 moves to the top of the protective cap, then sucks the protective cap and lifts it, and then pushes it to the top of the carrier through the loading cylinder 12, and then the lifting cylinder 11 descends, the suction pipe 8 places the protective cap on the carrier, and then the lifting cylinder 11 is lifted to realize automatic loading of the protective cap.

[0017] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A feeding mechanism for a needle exchange cap, characterized in that: The invention comprises a vibrating plate, which adjusts the protective cap to feed materials in the same state; a loading vertical plate is provided on the vibrating plate bracket below the discharge end of the vibrating plate; the loading vertical plate is provided with a horizontally arranged linear guide rail; a supporting platform is provided on the linear guide rail; a receiving plate is provided on the supporting platform; a group of receiving troughs are provided on the receiving plate; a loading side plate is also provided on the supporting platform on one side of the receiving plate; a turning cylinder is provided on the feeding side plate; a rack is provided on the piston rod of the turning cylinder; a turning shaft is also provided on the feeding side plate; a gear is provided at one end of the turning shaft close to the rack to mesh with the rack; a group of receiving ejectors corresponding to the receiving trough are provided on the turning shaft; the protective cap falls directly into the receiving trough along the inclined discharge end; and then the receiving ejector is inserted into the opening end of the protective cap to turn the protective cap from a horizontal state to a vertical state.

2. The exchange needle cap feeding mechanism according to claim 1, characterized in that: A material blocking cylinder is also provided on the vibration disk bracket below the support platform, and the piston rod of the material blocking cylinder is connected to the support platform. The support platform is pushed by the material blocking cylinder to cause the material receiving plate and the discharge end of the vibration disk to be misaligned, and the discharge end is restricted on the discharge end of the vibration disk to prevent the protective cap from falling.

3. A needle exchange cap feeding mechanism according to claim 1 or 2, characterized in that: A bracket is provided on one side of the vibration plate, and a horizontal plate is provided on the bracket, a guide rail is provided on the horizontal plate, and a vertical plate is provided on the guide rail. A loading cylinder arranged parallel to the guide rail is also provided on the upper end of the horizontal plate, and a piston rod of the loading cylinder is connected to the vertical plate, and a vertically arranged lifting rail is provided on the vertical plate, and a straw bracket is provided on the lifting rail, and a group of straws are provided on the straw bracket, and a lifting cylinder is provided on the vertical plate at the upper end of the lifting rail, and the piston rod of the lifting cylinder is connected to the straw bracket.

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