Automatic oil dripping clamp for compressor piston hemisphere

By designing an automatic oil dripping fixture for a compressor piston hemispherical, using an up-and-down moving cylinder to drive a nozzle positioning plate and a multi-drop nozzle, combined with a filter and guide groove, precise lubrication and efficient oil recovery are achieved. This solves the problems of insufficient precision, residual oil pollution, and complex structure of traditional lubrication devices, thereby improving production efficiency and equipment reliability.

CN223814562UActive Publication Date: 2026-01-20ANHUI DYNE AUTO AIR CONDITIONER LTD
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Patent Information

Application Number
CN202520436998.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-01-20
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

Traditional compressor piston hemispherical lubrication suffers from problems such as insufficient precision, residual oil contamination, low efficiency, and complex structure, making it difficult to achieve precise lubrication and efficient automation.

Method used

An automatic oil dripping fixture for a compressor piston hemispherical is designed. It uses an up-and-down moving cylinder to drive the nozzle positioning plate, and is equipped with multiple evenly distributed dripping nozzles and an oil collection box. It uses a filter screen and guide groove to achieve precise oil dripping and efficient oil recovery, simplifying the structure and reducing the failure rate.

Benefits of technology

It achieves precise oil droplet coverage of the entire surface, with an oil droplet recovery rate of up to 95%, a 5-fold increase in efficiency, a simplified structure that reduces the failure rate by 60%, and extends the maintenance cycle to 3 months, thereby reducing pollution and maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile air conditioner compressor machining, in particular to an automatic oil dripping clamp for a piston hemisphere of a compressor, which comprises a frame vertical plate fixedly connected onto an assembly line body through bolts, and a frame positioning plate is fixedly connected onto the frame vertical plate. According to the automatic oil dripping clamp for the compressor piston hemisphere, the vertically-moving air cylinder is adopted to drive the nozzle positioning plate, it is ensured that the oil dripping nozzle is vertically attached to the surface of the piston hemisphere, and oil mist diffusion is avoided; a plurality of uniformly distributed oil dripping nozzles cover the whole surface of the hemisphere, so that a lubricating blind area is eliminated; the oil quantity is accurately controlled in cooperation with the metering valve, and the error is smaller than or equal to + / -5%. The efficient residual oil recovery and anti-pollution pushing air cylinder and the guide rail are in linkage to control the oil receiving box to move rapidly, the oil receiving box can reach the position below the spray head within 0.5 second after oil dripping, and oil drops are prevented from dripping; the array filter screen in the inner cavity of the oil receiving box disperses oil drops through inertia collision, oil liquid adhesion and caking are prevented, and meanwhile the flowing impulse is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile air conditioner compressor processing, specifically is a kind of compressor piston hemispherical automatic oil dripping clamp. BACKGROUND

[0002] Compressor piston hemispheres, as the core moving parts of compressor, its surface lubrication effect directly influences equipment operating efficiency and life.The traditional piston hemispherical lubrication is mostly dependent on manual operation or fixed oil dripping device, and the following problems exist:

[0003] Insufficient precision: uneven oil amount is prone to appear in manual oil dripping, excessive oil dripping causes waste, and insufficient oil dripping leads to intensified friction;fixed spray head is difficult to adapt to the lubrication needs of piston hemispheres of different specifications due to its unadjustable position.

[0004] Residual oil pollution: residual oil that is not collected in time after oil dripping can drip onto production line or workpiece surface, polluting the environment and increasing cleaning cost.

[0005] Low efficiency: manual operation needs frequent shutdown, and the oil receiving and oil dripping actions are separated in automatic equipment, so the process is time-consuming.

[0006] Complex structure: existing automatic oil dripping devices mostly adopt multi-axis linkage or complex pipeline design, which is high in maintenance cost and prone to blockage.

[0007] In view of the above problems, a compact, accurate and self-cleaning automatic clamp is needed to improve the lubrication quality and efficiency of compressor production line. UTILITY MODEL CONTENTS

[0008] In view of the deficiencies of the prior art, the utility model provides an automatic oil dripping clamp for compressor piston hemispheres, which solves the problems of manual oil leakage during compressor piston assembly, improves the detection pass rate of hemispheres and improves production efficiency.

[0009] To achieve the above purpose, the utility model realizes the following technical scheme: an automatic oil dripping clamp for compressor piston hemispheres, comprising a frame vertical plate fixedly connected on a flow line body through bolts, a frame positioning plate fixedly connected on the frame vertical plate, an up-down moving cylinder fixedly connected on the frame positioning plate, a dripping nozzle fixed on the piston end of the up-down moving cylinder through a nozzle positioning plate, a push cylinder and a guide rail fixedly connected on one side of the frame positioning plate, and an oil receiving box fixedly connected on the piston end of the push cylinder and slidably connected on the surface of the guide rail.The piston hemisphere is transported to the lower side of the automatic oil dripping clamp on the transport plate, the nozzle positioning plate is driven by the up-down moving cylinder to displace the dripping nozzle downward, the piston hemisphere is sprayed with oil, the dripping nozzle is raised after oil spraying, the oil receiving box is displaced left and right along the guide rail direction by the push cylinder to receive oil under the dripping nozzle, and the residual oil is collected, so that the structure is simple and effective.

[0010] As a further scheme of the utility model: the oil dripping nozzle is provided with an oil pipe connected with an oil tank.

[0011] As a further scheme of the utility model: the oil dripping nozzle is provided with a plurality of oil dripping nozzles, and the oil dripping nozzles are evenly arranged at the bottom of the nozzle positioning plate.

[0012] As a further scheme of the utility model: the upper baffle is fixedly connected to the upper opening side of the oil receiving box, and the upper baffle can prevent the oil in the oil receiving box from splashing violently when the oil receiving box moves left and right quickly.

[0013] As a further scheme of the utility model: a plurality of arrayed filter screens are fixedly connected to the inner cavity of the oil receiving box, and when the oil receiving box moves left and right, the impact force of the oil moving left and right can be reduced by the filter screens, and the oil can be effectively dispersed by the continuous contact of the inertia of the oil receiving box and the filter screens, so that the oil is prevented from adhering and gathering.

[0014] As a further scheme of the utility model: the inner cavity of the oil receiving box is communicated with a discharge pipeline through a discharge port at the bottom, and the inner cavity of the oil receiving box is provided with a guide groove with a lowest point located around the discharge port, and the oil is concentrated at the discharge port through the guide groove, and when the oil accumulates to a certain amount, the discharge pipeline is opened to recover the oil.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] Precise oil dripping and dynamic adaptation

[0017] The nozzle positioning plate is driven by the up-down moving air cylinder, so that the oil dripping nozzle is vertically close to the hemispherical surface of the piston, and the oil mist is prevented from diffusing;

[0018] The plurality of uniformly distributed oil dripping nozzles cover the whole surface of the hemisphere, and eliminate the lubrication blind area;

[0019] The oil pipe is directly connected with the oil tank, and the oil quantity is accurately controlled by cooperating with the metering valve, and the error is ≤±5%.

[0020] Efficient residual oil recovery and pollution prevention

[0021] The push air cylinder and the guide rail are linked to control the rapid displacement of the oil receiving box, and the oil receiving box can reach below the nozzle within 0.5 seconds after oil dripping, so that the oil drops are prevented from falling;

[0022] The arrayed filter screens in the inner cavity of the oil receiving box disperse the oil drops through inertia collision, prevent the oil from adhering and blocking, and reduce the flow impact at the same time;

[0023] The guide groove and the discharge port form a self-flowing channel, the oil is automatically gathered and recovered through the discharge pipeline, and the recovery rate is ≥95%.

[0024] The upper baffle restrains oil liquid shaking when the oil receiving box moves, and the splashing amount is reduced by over 80%.

[0025] Simplified structure and improved reliability

[0026] The frame vertical plate and the positioning plate are fixed by bolts, and the modular design is suitable for different production lines.

[0027] The air cylinder driving scheme does not need a complex transmission mechanism, and the failure rate is reduced by 60% compared with the traditional motor scheme.

[0028] The oil receiving box and the nozzle are cooperatively controlled, the single oil dripping-recovery cycle is less than or equal to 3 seconds, and the efficiency is improved by 5 times compared with manual operation.

[0029] Convenient maintenance and cost optimization

[0030] The filter screen can be disassembled, cleaned or replaced, and the maintenance period is extended to 3 months.

[0031] The whole machine does not have precise electronic components, can resist common oil stains and vibration environment in a compressor workshop, and has a service life of more than 5 years. BRIEF DESCRIPTION OF DRAWINGS

[0032] Fig. 1 It is a structural schematic view of the utility model;

[0033] Fig. 2 It is a structural schematic view of the oil receiving box of the utility model;

[0034] Fig. 3 It is a structural sectional view of the oil receiving box of the utility model.

[0035] In the figure: 1, frame vertical plate; 2, frame positioning plate; 3, up-down moving air cylinder; 4, nozzle positioning plate; 5, guide rail; 6, pushing air cylinder; 7, oil receiving box; 8, discharge pipeline; 9, upper baffle; 10, guide groove; 11, oil discharge port; 12, filter screen. DETAILED DESCRIPTION

[0036] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model will be described in detail as follows in combination with the drawings and preferred embodiments.

[0037] Please refer to Figs. 1-3The utility model provides a technical scheme: a compressor piston hemisphere automatic oil dripping clamp, including the frame vertical board 1 through bolt fixed connection on the flow water line body, the frame vertical board 1 is fixedly connected with frame positioning plate 2, frame positioning plate 2 is fixedly connected with up-down moving cylinder 3, the piston end of up-down moving cylinder 3 is fixed with oil dripping nozzle through the nozzle positioning plate 4, one side of frame positioning plate 2 is fixedly connected with push cylinder 6 and guide rail 5, the surface slidingly connected with the oil receiving box 7 of push cylinder 6 piston end fixed connection has in guide rail 5 direction, piston hemisphere is in the transport plate and is through to piston hemisphere automatic oil dripping clamp below, up-down moving cylinder 3 pushes nozzle positioning plate 4 to drive oil dripping nozzle downward displacement, carries out oil injection to piston hemisphere, after oil injection, oil dripping nozzle rises, oil receiving box 7 is by push cylinder 6 and is in guide rail 5 direction left and right displacement and is under oil dripping nozzle and carries out oil receiving, and the structure is simple and effective.

[0038] The oil dripping nozzle is provided with an oil pipe connected with an oil tank.

[0039] The oil dripping nozzle is provided with a plurality of nozzles evenly arranged at the bottom of the nozzle positioning plate 4.

[0040] The upper edge of the oil receiving box 7 is fixedly connected with an upper baffle 9, which can prevent the oil inside the oil receiving box 7 from splashing when it moves quickly left and right.

[0041] The inner cavity of the oil receiving box 7 is fixedly connected with a plurality of arrayed filter screens 12, which can reduce the impact force of the oil inside when the oil receiving box 7 moves left and right, and can effectively disperse the oil by continuously contacting the filter screens 12 due to its inertia.

[0042] The inner cavity of the oil receiving box 7 is connected with a discharge pipe 8 through a discharge port 11 at the bottom, and the inner cavity of the oil receiving box 7 is provided with a guide groove 10 with a lowest point around the discharge port 11, which can concentrate the oil at the discharge port 11, and can recycle the oil when it accumulates to a certain amount by opening the discharge pipe 8.

[0043] Precise oil dripping and dynamic adaptation

[0044] The up-down moving cylinder 3 drives the nozzle positioning plate 4 to ensure that the oil dripping nozzle is vertically close to the surface of the piston hemisphere, avoiding the spread of oil mist.

[0045] Multiple evenly distributed oil dripping nozzles cover the entire surface of the hemisphere, eliminating the lubrication blind area.

[0046] The oil pipe is directly connected to the oil tank, and the metering valve is used to realize accurate control of the oil quantity with an error of ≤±5%.

[0047] Efficient residual oil recovery and pollution prevention

[0048] The push cylinder 6 is linked with the guide rail 5 to control the rapid displacement of the oil receiving box 7, so that the oil receiving box can reach below the spray head within 0.5 seconds after oil dripping, thereby avoiding oil dripping;

[0049] The array filter screen 12 in the inner cavity of the oil receiving box disperses oil droplets through inertial collision, prevents oil adhesion and agglomeration, and reduces flow impact;

[0050] The guide groove 10 and the oil discharge port 11 form a self-flowing channel, oil is automatically gathered and recycled through the discharge pipeline 8, and the recycling rate is ≥95%;

[0051] The upper baffle 9 suppresses oil shaking when the oil receiving box moves, and the splashing amount is reduced by more than 80%.

[0052] Simplified structure and improved reliability

[0053] The frame vertical plate 1 and the positioning plate 2 are bolted, and the modular design is suitable for different production lines;

[0054] The cylinder driving scheme does not need a complex transmission mechanism, and the failure rate is reduced by 60% compared with the traditional motor scheme;

[0055] The oil receiving box and the spray head are cooperatively controlled, the single oil dripping-recycling cycle is ≤3 seconds, and the efficiency is improved by 5 times compared with manual operation.

[0056] Convenient maintenance and cost optimization

[0057] The filter screen 12 can be disassembled, cleaned or replaced, and the maintenance period is extended to 3 months;

[0058] The whole machine has no precise electronic components, can resist the common oil stains and vibration environment in the compressor workshop, and has a service life of ≥5 years.

[0059] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as a preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution of the present application, and any equivalent embodiments with equivalent changes are equivalent to the above embodiments. Any modification, equivalent change and modification of the above embodiments according to the technical essence of the present application are still within the scope of the technical solution of the present application.

Claims

1. A compressor piston hemisphere automatic oil dripping clamp, comprising a frame vertical plate (1) fixedly connected on a flow line body through bolts, characterized in that, The frame vertical plate (1) is fixedly connected with a frame positioning plate (2), the frame positioning plate (2) is fixedly connected with an up-down moving air cylinder (3), the piston end of the up-down moving air cylinder (3) is fixedly connected with an oil dripping nozzle through a nozzle positioning plate (4), one side of the frame positioning plate (2) is fixedly connected with a pushing air cylinder (6) and a guide rail (5), the surface of the guide rail (5) is slidably connected with an oil receiving box (7) fixedly connected with the piston end of the pushing air cylinder (6).

2. A semi-spherical oil-droplet automatic dropping clamp for a compressor piston according to claim 1, characterized in that, The oil dripping nozzle is connected with an oil tank through an oil pipe.

3. A semi-spherical oil-droplet automatic dropping clamp for a compressor piston according to claim 1, characterized in that, The oil dripping nozzle is provided with a plurality of nozzles, which are evenly arranged at the bottom of the nozzle positioning plate (4).

4. A compressor piston hemisphere automatic oil drip clamp according to claim 3, characterized in that, The upper opening side of the oil receiving box (7) is fixedly connected with an upper baffle (9).

5. A compressor piston hemisphere oil drip fixture as set forth in claim 1, wherein, The inner cavity of the oil receiving box (7) is fixedly connected with a plurality of arrayed filter screens (12).

6. A compressor piston hemisphere oil drip fixture as set forth in claim 1, characterized by: The inner cavity of the oil receiving box (7) is communicated with a discharge pipeline (8) through a discharge port (11) at the bottom of the inner cavity, and the inner cavity of the oil receiving box (7) is provided with a guide groove (10) with a lowest point located around the discharge port (11).