A soft rubber ring press-fit assembly mechanism

Abstract

The present invention provides a soft rubber ring pressing assembly mechanism, including a frame, on which a first vibration plate, a second vibration plate, a rubber ring pressing mechanism, a parts conveying mechanism and an assembly fixture are installed, the first vibration plate contains parts to be assembled, the second vibration plate contains rubber rings, the output end of the first vibration plate is connected to the parts conveying mechanism, the output end of the second vibration plate is connected to the parts conveying mechanism, the parts conveying mechanism delivers the parts to the assembly fixture, and the rubber ring pressing mechanism presses the rubber rings onto the parts on the assembly fixture. The present invention can realize the fully automatic assembly of soft rubber rings at both ends of parts, the entire equipment only needs manual feeding and collection of finished products, one person can operate multiple devices, greatly improving assembly efficiency, the assembly efficiency of each device can reach 6 times that of manual labor, reducing the labor cost of the enterprise, the entire equipment has a compact structure, automated operation, low error rate, and good product consistency.

Description

Technical Field

[0001] The invention relates to the technical field of soft rubber ring assembly equipment, in particular to a soft rubber ring press-in assembly mechanism. Background Art

[0002] When assembling split-type electric irons, household appliances, toys and other parts, there is a process that is to put soft rubber rings on both ends of the parts. The current assembly method is mainly manual assembly, which requires a lot of manpower due to the large amount of product usage. When assembling the rubber ring, workers need to press the rubber ring into the parts by hand. The number of assemblies is large, the labor intensity is high, and long-term work will cause damage to the human hand, ligament strain, and severe fractures, which will cause complaints from workers and make them unwilling to do this job. Manual installation will increase with the increase of working hours, and fatigue will increase accordingly, resulting in an increase in defective products that are not installed in place. If tools are used to press the rubber ring, the assembly efficiency will be low and the labor cost will be increased. Summary of the invention

[0003] In view of the above problems, the present invention provides a soft rubber ring press-in assembly mechanism, which can realize the fully automatic assembly of soft rubber rings at both ends of parts. The entire equipment only requires manual feeding and collection of finished products. One person can operate multiple devices, which greatly improves the assembly efficiency. The assembly efficiency of each device can reach 6 times that of manual labor, reducing the labor cost of the enterprise. The entire equipment has a compact structure, automated operation, low error rate and good product consistency.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0005] A soft rubber ring pressing assembly mechanism comprises a frame, and is characterized in that: a first vibration plate, a second vibration plate, a rubber ring pressing mechanism, a parts conveying mechanism and an assembly fixture are installed on the frame, the first vibration plate contains parts to be assembled, the second vibration plate contains rubber rings, the output end of the first vibration plate is connected to the parts conveying mechanism, the output end of the second vibration plate is connected to the parts conveying mechanism, the parts conveying mechanism conveys the parts to the assembly fixture, and the rubber ring pressing mechanism presses the rubber ring onto the parts on the assembly fixture.

[0006] Preferably, the rubber ring pressing mechanism includes a rubber ring pressing frame fixed on the frame, a rubber ring feeding cylinder installed on the rubber ring pressing frame, a rubber ring lifting cylinder installed on the rubber ring pressing frame, a rubber ring positioning block installed at the end of the rubber ring lifting cylinder, a rubber ring pressing plate installed at the working end of the rubber ring feeding cylinder, two rubber ring pressing cylinders relatively installed at the two ends of the rubber ring pressing plate, and a pressing rod installed at the working end of the rubber ring pressing cylinder, and a pin is elastically penetrated at the end of the pressing rod, which can be completely retracted into the inside of the pressing rod, and the pin can be inserted into the inner ring of the rubber ring, and the groove on the rubber ring positioning block is connected to the output end of the second vibration disk. When the rubber ring feeding cylinder is retracted, the rubber ring positioning block is located directly below the middle of the two pressing rods.

[0007] Preferably, the tip of the ejector pin is tapered.

[0008] Preferably, the parts conveying mechanism includes a parts conveying rack fixed on the rack, a parts discharging cylinder installed on the parts conveying rack, a parts positioning block installed at the working end of the parts discharging cylinder, a parts feeding cylinder installed on the parts conveying rack, a parts lifting cylinder installed at the working end of the parts feeding cylinder, and a clamp installed at the working end of the parts lifting cylinder. The parts positioning block is connected to the output end of the first vibration plate. After the parts of the first vibration plate are delivered to the parts positioning block, the parts discharging cylinder delivers the parts positioning block to the bottom of the clamp. After the parts lifting cylinder descends, the clamp grabs the parts. The parts feeding cylinder works to deliver the parts to the assembly fixture.

[0009] Preferably, the assembly fixture includes an assembly frame fixed on a frame, a roller and a motor driving the roller to rotate are installed on the assembly frame, the circumferential surface of the roller has a plurality of part positioning openings for placing parts, the assembly frame is also provided with an export plate for pushing the parts out of the part positioning openings, and a lower hopper is provided below the export plate.

[0010] Preferably, the circumferential surface of the roller is also provided with an arc-shaped sleeve to clamp the parts and ensure that the parts can be transported to the position of the lead-out piece before falling off.

[0011] Beneficial effects of the present invention:

[0012] The present invention can realize the fully automatic assembly of soft rubber rings at both ends of parts. The whole equipment only needs manual feeding and collection of finished products. One person can operate multiple devices, which greatly improves the assembly efficiency. The assembly efficiency of each device can reach 6 times that of manual labor, reducing the labor cost of the enterprise. The whole equipment has a compact structure, automated operation, low error rate and good product consistency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a perspective view of an embodiment;

[0014] Figure 2 is a three-dimensional diagram of another angle of the embodiment;

[0015] Figure 3 is a three-dimensional diagram of the rubber ring pressing mechanism 4;

[0016] Figure 4 is a front view of the rubber ring pressing mechanism 4;

[0017] Figure 5 is a three-dimensional diagram of the parts conveying mechanism 5;

[0018] Figure 6 is a three-dimensional diagram of the parts conveying mechanism 5 from another angle;

[0019] Figure 7 It is a perspective view of the assembly jig 6. DETAILED DESCRIPTION

[0020] The technical solution of the present invention is described below in conjunction with the accompanying drawings and embodiments.

[0021] like Figures 1 to 7 As shown, a soft rubber ring pressing assembly mechanism described in the present invention includes a frame 1, on which a first vibration plate 2, a second vibration plate 3, a rubber ring pressing mechanism 4, a part conveying mechanism 5 and an assembly fixture 6 are installed. The first vibration plate 2 contains parts to be assembled, and the second vibration plate 3 contains rubber rings. The output end of the first vibration plate 2 is connected to the part conveying mechanism 5, and the output end of the second vibration plate 3 is connected to the part conveying mechanism 5. The part conveying mechanism 5 conveys the parts to the assembly fixture 6, and the rubber ring pressing mechanism 4 presses the rubber ring onto the part on the assembly fixture 6.

[0022] Specifically, the rubber ring pressing mechanism 4 includes a rubber ring pressing frame 41 fixed on the frame 1, a rubber ring feeding cylinder 42 installed on the rubber ring pressing frame 41, a rubber ring lifting cylinder 43 installed on the rubber ring pressing frame 41, a rubber ring positioning block 44 installed at the end of the rubber ring lifting cylinder 43, a rubber ring pressing plate 45 installed at the working end of the rubber ring feeding cylinder 42, two rubber ring pressing cylinders 46 relatively installed at both ends of the rubber ring pressing plate 45, and a pressing rod 47 installed at the working end of the rubber ring pressing cylinder 46, and the end of the pressing rod 47 is also elastically penetrated with a ejector pin 48, which can be completely retracted into the inside of the pressing rod 47, and the end of the ejector pin 48 is conical. The needle 48 can be inserted into the inner ring of the rubber ring, and the end surface area of ​​the pressing rod 47 is larger than the end surface area of ​​the rubber ring. The groove on the rubber ring positioning block 44 connects with the output end of the second vibration disk 3, so that the rubber ring of the second vibration disk 3 can fall into the rubber ring positioning block 44 smoothly. When the rubber ring feeding cylinder 42 retracts, the rubber ring positioning block 44 is located directly below the middle of the two pressing rods 47. The rubber ring lifting cylinder 43 is vertically arranged. When the rubber ring lifting cylinder 43 rises, the rubber ring positioning block 44 can be lifted to the middle of the two pressing rods 47. The rubber ring pressing cylinder 46 extends, the ejector pin 48 puts the rubber ring on, and the rubber ring feeding cylinder 42 extends to send the rubber ring to the corresponding position of the assembly fixture 6.

[0023] Specifically, the parts conveying mechanism 5 includes a parts conveying frame 51 fixed on the frame 1, a parts discharge cylinder 52 installed on the parts conveying frame 51, a parts positioning block 53 installed at the working end of the parts discharge cylinder 52, a parts feeding cylinder 54 installed on the parts conveying frame 51, and a parts lifting cylinder 55 installed at the working end of the parts feeding cylinder 54. In order to ensure the smooth movement of the parts lifting cylinder 55, a slider 56 is slidably connected to the parts conveying frame 51, and the parts lifting cylinder 55 is installed on the slider 56. The parts feeding cylinder 54 pushes the slider The block 56 moves, thereby pushing the part lifting cylinder 55 to move. It also includes a clamp 57 installed at the working end of the part lifting cylinder 55. The clamp 57 can grab the parts. The part positioning block 53 is connected to the output end of the first vibration plate 2. After the parts of the first vibration plate 2 are sent to the part positioning block 53, the part discharge cylinder 52 sends the part positioning block 53 to the bottom of the clamp 57. After the part lifting cylinder 55 descends, the clamp 57 grabs the parts. The part lifting cylinder 55 rises to grab the parts from the part positioning block 53. The part feeding cylinder 54 extends out to send the parts to the corresponding position of the assembly fixture 6.

[0024] Specifically, the assembly fixture 6 includes an assembly frame 61 fixed on the frame 1, a roller 62 and a motor 63 for driving the roller 62 to rotate are installed on the assembly frame 61, and the motor 63 is a servo motor 63. The circumferential surface of the roller 62 has a plurality of part positioning openings 64 for placing parts. The part positioning openings 64 are notches provided on the circumferential surface of the roller 62. Parts are placed in the part positioning openings 64 to play a positioning role. The assembly frame 61 is also provided with a guide plate 65 for removing the parts from the part positioning openings 64. A lower hopper 7 is provided at the bottom, and an arc sleeve 66 is also provided on the circumferential surface of the roller 62 to clamp the parts and ensure that the parts can be transported to the position of the export piece 65 before falling off. The arc sleeve 66 is fixed on the assembly frame 61 and does not rotate with the roller 62. In this embodiment, the highest position of the roller 62 is the working position for placing the parts into the part positioning port 64, and the horizontal position at the center of the roller 62 is the working position for pressing the rubber ring, and the coverage of the arc sleeve 66 is along the rotation direction of the roller 62, from the rear side of the highest position of the roller 62 to the area before the export piece 65.

[0025] When the present invention is working, the part falls into the part positioning block 53, the part discharging cylinder 52 sends the part positioning block 53 to the bottom of the clamp 57, the part lifting cylinder 55 descends and the clamp 57 grabs the middle of the part, the part lifting cylinder 55 rises to grab the part away from the part positioning block 53, the part feeding cylinder 54 extends out and sends the part to the part positioning port 64 of the assembly fixture 6, the part lifting cylinder 55 descends and places the part in the part positioning port 64, and the two ends of the part extend out of the side of the roller 62, the clamp 57 is released, the part lifting cylinder 55 rises, the motor 63 drives the roller 62 to rotate, and the part is stuck in the arc sleeve 66 until it rotates 90° and the motor 63 stops rotating. The rubber ring falls into the rubber ring positioning block 44, the rubber ring lifting cylinder 43 rises, and the rubber ring positioning block 44 is raised to the middle of the two pressing rods 47, the rubber ring pressing cylinder 46 extends, and the ejector 48 puts the rubber ring on, the rubber ring feeding cylinder 42 extends, and the two rubber rings are sent to the two ends of the part, the rubber ring pressing cylinder 46 extends, and pushes the rubber ring into the part, the rubber ring pressing cylinder 46 extends and continues to extend, and the ejector 48 retracts until the ejector 48 is completely retracted into the inside of the pressing rod 47, and the end face of the pressing rod 47 pushes against the end face of the rubber ring, and finally pushes the rubber ring into the two ends of the part, the rubber ring pressing cylinder 46 retracts, the rubber ring feeding cylinder 42 retracts, and the roller 62 continues to rotate until the part leaves the arc sleeve 66 and touches the guide plate 65, the guide plate 65 pushes the part out, and the part falls into the lower hopper 7, and the finished product discharge is completed.

[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, and a specific direction structure and operation, and therefore, cannot be understood as a limitation on the present invention. In addition, "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A soft rubber ring press-fit assembly mechanism, comprising a frame, characterized in that: The frame is equipped with a first vibration plate, a second vibration plate, a rubber ring pressing mechanism, a parts conveying mechanism and an assembly fixture. The first vibration plate is equipped with parts to be assembled, and the second vibration plate is equipped with rubber rings. The output end of the first vibration plate is connected to the parts conveying mechanism, and the output end of the second vibration plate is connected to the parts conveying mechanism. The parts conveying mechanism conveys the parts to the assembly fixture, and the rubber ring pressing mechanism presses the rubber ring onto the parts on the assembly fixture; the rubber ring pressing mechanism includes a rubber ring pressing frame fixed to the frame, and a rubber ring pressing frame installed on the rubber ring pressing frame. The rubber ring feeding cylinder, the rubber ring lifting cylinder installed on the rubber ring pressing frame, the rubber ring positioning block installed at the end of the rubber ring lifting cylinder, the rubber ring pressing plate installed at the working end of the rubber ring feeding cylinder, the rubber ring pressing cylinders installed at the two ends of the rubber ring pressing plate, and the pressing rod installed at the working end of the rubber ring pressing cylinder, the end of the pressing rod is also elastically penetrated with a ejector pin, which can be completely retracted into the inside of the pressing rod, and the ejector pin can penetrate into the inner ring of the rubber ring, the groove on the rubber ring positioning block is connected to the output end of the second vibration plate, and when the rubber ring feeding cylinder is retracted, the rubber ring positioning block is in the position The end of the ejector pin is tapered, located just below the middle of the two pressing rods; the part conveying mechanism includes a part conveying rack fixed on the rack, a part discharging cylinder installed on the part conveying rack, a part positioning block installed on the working end of the part discharging cylinder, a part feeding cylinder installed on the part conveying rack, a part lifting cylinder installed on the working end of the part feeding cylinder, and a clamp installed on the working end of the part lifting cylinder. The part positioning block is connected to the output end of the first vibration plate. After the parts of the first vibration plate are delivered to the part positioning block, the part discharging cylinder delivers the part positioning block to the clamp Below the claw, the part lifting cylinder descends and the claw grabs the part, and the part feeding cylinder works to send the part to the assembly fixture; the assembly fixture includes an assembly frame fixed on the frame, a roller and a motor driving the roller to rotate are installed on the assembly frame, the circumferential surface of the roller has a plurality of part positioning openings for placing parts, the assembly frame is also provided with an export plate for pushing out the parts from the part positioning openings, and a lower hopper is provided below the export plate; the circumferential surface of the roller is also provided with an arc sleeve to clamp the part to ensure that the part can be transported to the position of the export plate before falling off.

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