Positioning follow-up reciprocating swing oil sprayer

Abstract

The utility model provides a positioning follow-up reciprocating swing oil spraying machine, which solves the problems of insufficient control precision of oil spraying quantity and the like, and comprises a discharging disc arranged on a drying oven, a pendulum clock spraying disc assembly is arranged on the discharging disc, and the discharging disc is connected with a swing driving assembly. A sensing assembly and an elastic reset assembly are installed between the discharging disc and the pendulum clock spraying disc assembly, and the pendulum clock spraying disc assembly is opposite to the oil suction assembly. The hydraulic control device has the advantages of high oil control precision, stable structure and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of assembly systems, and in particular relates to a positioning follow-up reciprocating swing fuel injection machine. Background Art

[0002] Existing syringes are assembled using an automatic assembly system. Prefilled syringe assemblies are new disposable drug packaging and injection equipment used clinically in recent years. They are composed of a needle tube, a rubber piston, an injection needle, a needle cap and a push rod, and are used for packaging and injection of products such as virus inactivated vaccines. In order to ensure that the rubber piston on the push rod of the assembly can slide freely in the inner cavity of the needle tube, the inner cavity of the needle tube and the rubber piston must be siliconized during the production process of the prefilled syringe assembly. Too little silicone oil will affect the sliding performance of the push rod rubber piston in the inner cavity of the needle tube; too much silicone oil will affect the quality of the drugs packaged in the assembly due to the residual silicone oil in the inner cavity of the needle tube and the rubber piston; uneven silicone oil spraying may cause the rubber plug to fall off when plugging.

[0003] In order to solve the deficiencies of the prior art, people have conducted long-term exploration and proposed various solutions. For example, a Chinese patent document discloses a barrel tracking oil injection device for a syringe assembly machine [200710069062.8], which includes a rotating shaft, a feed tray, a notch for fixing the barrel on the edge of the feed tray, a spray gun assembly beside the feed tray, a synchronous transmission mechanism between the spray gun assembly and the rotating shaft, which enables the spray gun assembly to rotate synchronously with the feed tray in a fixed working range on the side of the feed tray, and a disengagement and reset mechanism between the synchronous transmission mechanism and the spray gun assembly, which enables the spray gun assembly to disengage from the synchronous transmission mechanism when it rotates to the end of the above-mentioned working range and automatically rotate in the opposite direction to the starting point of the working range and then reconnect with the synchronous transmission mechanism.

[0004] The above solution solves the problem of fuel injection uniformity to a certain extent, but the solution still has many shortcomings, such as the accuracy layout of fuel injection quantity control. Summary of the invention

[0005] The utility model aims to solve the above problems and provide a positioning follow-up reciprocating swing fuel injector with reasonable design and high fuel injection control accuracy.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a positioning follow-up reciprocating swing oil sprayer, including a discharge tray installed on an oven, a pendulum spray tray assembly installed on the discharge tray, the discharge tray is connected to a swing drive assembly, a sensor assembly and an elastic reset assembly are installed between the discharge tray and the pendulum spray tray assembly, and the pendulum spray tray assembly is opposite to the oil suction assembly.

[0007] In the above-mentioned positioning follow-up reciprocating swing fuel injector, the discharge disc includes a hole turntable seat, and a transition disc arranged circumferentially is installed on the outer side of the hole turntable seat, and the outer edge of the transition disc is provided with notches arranged symmetrically with the center.

[0008] In the above-mentioned positioning follow-up reciprocating swing oil sprayer, the swing drive assembly includes a rotating shaft assembly connected to the discharge tray and the pendulum spray tray assembly, and the rotating shaft assembly is connected to the drive motor through a speed change structure.

[0009] In the above-mentioned positioning follow-up reciprocating swing fuel injector, the rotating shaft assembly includes a driving shaft, and the driving shaft is rotatably connected to a shaft sleeve sleeved on the outer side of the driving shaft through a rotating bearing.

[0010] In the above-mentioned positioning follower reciprocating swing oil sprayer, the pendulum spray plate assembly includes a nozzle follower plate rotatably mounted on the upper end of the discharge plate, a fan-shaped spray portion is arranged on one side of the nozzle follower plate, an extension portion is arranged on the other side of the nozzle follower plate, a plurality of spray guns are arranged and distributed on the spray portion, and the nozzle follower plate is connected to a support bar.

[0011] In the above-mentioned positioning follow-up reciprocating swing oil sprayer, the sensor component includes a spray disc positioning member installed on the extension part of the nozzle follower plate by a sliding guide rail, the spray disc positioning member is equipped with a proximity switch, one end of the spray disc positioning member is connected to a telescopic rod, the telescopic rod is slidably connected to the telescopic block fixed on the nozzle follower plate, and a pressure spring sleeved on the telescopic rod is arranged between the telescopic rod, and a return roller is rotatably installed on the other end of the spray disc positioning member, and the return roller is opposite to the cam plate fixed on the oven.

[0012] In the above-mentioned positioning follower reciprocating swing oil sprayer, the elastic reset component includes tension springs connected between the nozzle follower plate and the oven, and the tension springs are arranged in pairs and kept parallel.

[0013] In the above-mentioned positioning follow-up reciprocating swing oil sprayer, an inverted oil pot is arranged on one side of the discharge tray, and the oil pot is connected to a vertically arranged upright pole.

[0014] In the above-mentioned positioning follow-up reciprocating swing oil sprayer, the oil suction assembly includes an oil suction air intake hood arranged on one side of the discharge plate and opposite to the pendulum spray plate assembly. The oil suction air intake hood is connected to the fan through an air intake pipe, and the fan is connected to the oil filter cartridge.

[0015] In the above-mentioned positioning follow-up reciprocating swing oil sprayer, an oven fence is arranged around the discharge tray, and the oven fence is connected to the oil spray upper cover.

[0016] Compared with the existing technology, the advantages of the utility model are: when the discharge plate is moving, multiple groups of spray guns spray oil evenly and the oil suction component absorbs excess oil mist, thereby ensuring the accuracy of oil quantity control; the sensor component can sense the movement position of the pendulum spray plate component, thereby ensuring the accuracy of the oil injection position and avoiding pollution and waste of oil; the oil suction component absorbs excess oil mist, and at the same time uses the oil filter cartridge to filter and recover the oil, thereby improving the utilization rate of the oil. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a structural schematic diagram of another perspective of the utility model;

[0019] Figure 3 It is a structural schematic diagram of another perspective of the utility model;

[0020] In the figure, a discharging plate 1, a hole turntable seat 11, a transition plate 12, a pendulum spray plate assembly 2, a nozzle follower plate 21, a spray portion 22, an extension portion 23, a spray gun 24, a support bar 25, a swing drive assembly 3, a drive shaft 31, a shaft sleeve 32, a sensor assembly 4, a sliding guide rail 41, a spray plate swing member 42, a proximity switch 43, a telescopic rod 44, a telescopic block 45, a top pressure spring 46, a return roller 47, a cam plate 48, an elastic reset assembly 5, a tension spring 51, an oil suction assembly 6, an oil suction air inlet hood 61, an air inlet pipe 62, a fan 63, an oil filter cartridge 64, an oil pot 7, a vertical pole 71, an oven fence 8, and an oil spray upper cover 81. DETAILED DESCRIPTION

[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] like Figure 1-3 As shown, a positioning follow-up reciprocating swing oil sprayer includes a discharge tray 1 installed on an oven, the discharge tray 1 drives the syringe barrel to move, and a pendulum spray tray assembly 2 is installed on the discharge tray 1 and moves synchronously with the discharge tray 1; the discharge tray 1 is connected to a swing drive assembly 3 to provide a driving torque, and a sensor assembly 4 and an elastic reset assembly 5 are installed between the discharge tray 1 and the pendulum spray tray assembly 2. When the sensor assembly 4 senses that the pendulum spray tray assembly 2 is in place, the swing drive assembly 3 stops driving, and the elastic reset assembly 5 drives the pendulum spray tray assembly 2 to automatically reset; the pendulum spray tray assembly 2 is opposite to the oil suction assembly 6, and the excess oil mist is sucked away by the oil suction assembly 6 and centrally processed.

[0023] Specifically, the discharge tray 1 includes a hole turntable seat 11 located in the center and connected to the swing drive assembly 3, and a transition tray 12 arranged circumferentially is installed outside the hole turntable seat 11, and the transition tray 12 is an annular structure. The outer edge of the transition tray 12 is provided with notches arranged symmetrically to the center, and the notches correspond to the nozzles of the pendulum spray tray assembly 2.

[0024] In depth, the swing drive assembly 3 includes a rotating shaft assembly connected to the discharge tray 1 and the pendulum spray tray assembly 2, and the rotating shaft assembly extends downward. The rotating shaft assembly is connected to the drive motor through a speed change structure, wherein the speed change structure and the drive motor are hidden in the corresponding syringe assembly system.

[0025] Further, similar to a conventional rotating shaft structure, the rotating shaft assembly in the present application includes a driving shaft 31, which is rotatably connected to a sleeve 32 sleeved on the outside thereof through a rotating bearing. The sleeve 32 is fixed to the corresponding base, and the internal driving shaft 31 rotates circumferentially under the action of the driving motor and transmits torque to the pendulum clock spray disc assembly 2.

[0026] Furthermore, unlike the conventional oil spraying structure, the pendulum spraying plate assembly 2 includes a nozzle follower plate 21 rotatably mounted at the center of the upper end of the discharge plate 1, a fan-shaped spraying portion 22 is provided on one side of the nozzle follower plate 21, an extension portion 23 is provided on the other side of the nozzle follower plate 21, a plurality of spray guns 24 are arranged and distributed on the spraying portion 22, and a support bar 25 is connected to the nozzle follower plate 21. The spray gun 24 is opposite to the syringe barrel, and sprays oil on the inner wall of the syringe barrel with the printed scale, and keeps synchronous movement with the syringe barrel, thereby leaving enough spraying working interval to ensure the oil spraying time.

[0027] In addition, in order to realize automatic continuous oil injection, a sensor component 4 is introduced for negative feedback control, which specifically includes a spray disc positioning member 42 installed on the extension portion 23 of the nozzle follower plate 21 using a sliding guide rail 41, a proximity switch 43 is installed on the spray disc positioning member 42, one end of the spray disc positioning member 42 is connected to a telescopic rod 44, the telescopic rod 44 is slidably connected to a telescopic block 45 fixed on the nozzle follower plate 21, and a pressure spring 46 sleeved on the telescopic rod 44 is arranged between the telescopic rod 44, and a return roller 47 is rotatably installed on the other end of the spray disc positioning member 42, and the return roller 47 is opposite to a cam plate 48 fixed on the oven. When the nozzle follower plate 21 rotates, the return roller 47 rolls against the cam plate 48. Since the cam plate 48 remains tilted, it slides along the sliding guide rail 41. The proximity switch 43 senses that the spray disc positioning member 42 has moved to a specified position, thereby sending a control signal. At this time, the injection portion 22 of the nozzle follower plate 21 and the spray gun 24 also move to the maximum movement position.

[0028] At the same time, the elastic reset component 5 drives the nozzle follower plate 21 that has reached the maximum rotation amount to automatically reset, including a tension spring 51 connected between the nozzle follower plate 21 and the oven. The tension springs 51 are arranged in pairs and kept parallel, and the tension springs 51 provide a reset torque for the nozzle follower plate 21.

[0029] It can be seen that an inverted oil pot 7 is arranged on one side of the discharge tray 1 to provide oil, and the oil pot 7 is connected to a vertically arranged upright pole 71 to maintain the height of the oil pot 7, thereby guiding the oil to be transmitted to each spray gun 24.

[0030] Obviously, the oil suction assembly 6 includes an oil suction air intake hood 61 arranged on one side of the discharge tray 1 and opposite to the pendulum spray tray assembly 2, and an air intake port is distributed on the side of the oil suction air intake hood 61 opposite to the spray gun 24; the oil suction air intake hood 61 is connected to the fan 63 through the air intake pipe 62, and the fan 63 is connected to the oil filter cartridge 64. The oil filter cartridge 64 is also connected to a corresponding exhaust pipeline, and the filtered oil is sealed in the oil filter cartridge 64 for centralized treatment.

[0031] Preferably, an oven fence 8 is arranged around the discharge tray 1, and the oven fence 8 is connected to an oil spray upper cover 81 to prevent the loss of oil mist. The oven fence 8 cooperates with the oil spray upper cover 81 and other covers to form a closed structure.

[0032] To sum up, the principle of this embodiment is that the pendulum spray disc assembly 2 and the discharge disc 1 rotate under the drive of the swing drive assembly 3. During the rotation, the pendulum spray disc assembly 2 injects oil toward the syringe barrel, and the sensor assembly 4 senses whether the swing drive assembly 3 is in place, and then the elastic reset assembly 5 drives the pendulum spray disc assembly 2 to return.

[0033] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0034] Although the present invention uses more terms such as the discharge tray 1, the hole turntable seat 11, the transition tray 12, the pendulum spray tray assembly 2, the nozzle follower plate 21, the spray part 22, the extension part 23, the spray gun 24, the support bar 25, the swing drive assembly 3, the drive shaft 31, the shaft sleeve 32, the sensor assembly 4, the sliding guide rail 41, the spray tray swing member 42, the proximity switch 43, the telescopic rod 44, the telescopic block 45, the top pressure spring 46, the return roller 47, the cam plate 48, the elastic reset assembly 5, the tension spring 51, the oil suction assembly 6, the oil suction air intake cover 61, the air intake pipe 62, the fan 63, the oil filter cartridge 64, the oil pot 7, the vertical pole 71, the oven fence 8, and the oil spray upper cover 81, the possibility of using other terms is not excluded. The use of these terms is only for the purpose of more conveniently describing and explaining the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A positioning follow-up reciprocating swing oil sprayer, comprising a discharge tray (1) mounted on an oven, characterized in that: A pendulum spray disc assembly (2) is installed on the discharge disc (1), and the discharge disc (1) is connected to a swing drive assembly (3). A sensor assembly (4) and an elastic reset assembly (5) are installed between the discharge disc (1) and the pendulum spray disc assembly (2), and the pendulum spray disc assembly (2) is opposite to the oil suction assembly (6).

2. A positioning follow-up reciprocating swing fuel injector according to claim 1, characterized in that: The discharge tray (1) comprises a hole turntable seat (11), and a transition tray (12) arranged circumferentially is installed on the outer side of the hole turntable seat (11), and the outer edge of the transition tray (12) is provided with notches arranged in a centrally symmetrical manner.

3. A positioning follow-up reciprocating swing fuel injector according to claim 1, characterized in that: The swing drive assembly (3) comprises a rotating shaft assembly connected to the discharge tray (1) and the pendulum spray tray assembly (2), and the rotating shaft assembly is connected to the drive motor via a speed change structure.

4. A positioning follow-up reciprocating swing fuel injector according to claim 3, characterized in that: The rotating shaft assembly comprises a driving shaft (31), and the driving shaft (31) is rotatably connected to a shaft sleeve (32) sleeved on the outside thereof via a rotating bearing.

5. The positioning follow-up reciprocating swing fuel injector according to claim 1, characterized in that: The pendulum spray plate assembly (2) comprises a nozzle follower plate (21) rotatably mounted on the upper end of the discharge plate (1), a fan-shaped spray portion (22) is arranged on one side of the nozzle follower plate (21), an extension portion (23) is arranged on the other side of the nozzle follower plate (21), a plurality of spray guns (24) are arranged and distributed on the spray portion (22), and a support bar (25) is connected to the nozzle follower plate (21).

6. A positioning follow-up reciprocating swing fuel injector according to claim 5, characterized in that: The sensor assembly (4) includes a spray disc positioning member (42) mounted on an extension portion (23) of a nozzle follower plate (21) by means of a sliding guide rail (41); a proximity switch (43) is mounted on the spray disc positioning member (42); one end of the spray disc positioning member (42) is connected to a telescopic rod (44); the telescopic rod (44) is slidably connected to a telescopic block (45) fixed on the nozzle follower plate (21) and a pressure spring (46) sleeved on the telescopic rod (44) is arranged between the two ends; a return roller (47) is rotatably mounted on the other end of the spray disc positioning member (42); the return roller (47) is opposite to a cam plate (48) fixed on the oven.

7. The positioning follow-up reciprocating swing fuel injector according to claim 5, characterized in that: The elastic reset assembly (5) comprises tension springs (51) connected between the nozzle follower plate (21) and the oven, and the tension springs (51) are arranged in pairs and kept in parallel.

8. The positioning follow-up reciprocating swing fuel injector according to claim 1, characterized in that: An inverted oil pot (7) is arranged on one side of the discharge tray (1), and the oil pot (7) is connected to a vertically arranged upright pole (71).

9. The positioning follow-up reciprocating swing fuel injector according to claim 1, characterized in that: The oil suction assembly (6) comprises an oil suction air intake hood (61) arranged on one side of the discharge tray (1) and opposite to the pendulum spray tray assembly (2); the oil suction air intake hood (61) is connected to a fan (63) via an air intake pipe (62); and the fan (63) is connected to an oil filter cartridge (64).

10. The positioning follow-up reciprocating swing fuel injector according to claim 1, characterized in that: An oven fence (8) is arranged around the discharge tray (1), and the oven fence (8) is connected to an oil spraying upper cover (81).

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