A riveting mechanism for easy open end closures

Abstract

The utility model relates to an easy -open cover riveting mechanism, including base, pressing plate, the top of base is provided with the cover plate recess, both sides of cover plate recess all install second air cylinder, the output of second air cylinder is fixed with baffle, baffle with base sliding connection, the inside of base is provided with through -groove, the top of through -groove with cover plate recess intercommunication, the inside fixed of through -groove has the guide ring, the inside sliding connection of guide ring has the jackscrew, the bottom of base installs first air cylinder, the output of first air cylinder with lower extreme fixed connection of jackscrew, the upper end of jackscrew is provided with punch, the bottom of pressing plate is provided with the pull ring recess, a plurality of first air -intake holes and a plurality of second air -intake holes, a plurality of second air -intake holes's lower extreme with pull ring recess intercommunication.

Description

Technical Field

[0001] This utility model relates to the field of easy-open lid production equipment technology, and in particular to an easy-open lid riveting mechanism. Background Technology

[0002] Easy-open caps, as an important component of metal packaging, are widely used in the packaging industry. For example, in beverage processing companies, some raw materials are needed for beverage production, and these materials need to be resealed and refrigerated after use. Easy-open caps are commonly used for this easy sealing and refrigeration. An easy-open cap consists of two parts: the cap body and the pull ring. During the production process, after the cap body and pull ring are formed, the pull ring needs to be riveted to the cap body to complete the entire production process. For some small processing plants, due to the complex structure and high purchase cost of existing easy-open cap riveting equipment, many still use manual riveting to process easy-open caps to save costs. This method is inefficient and poses certain safety risks to workers.

[0003] Therefore, an easy-opening cap riveting mechanism is needed to solve the above-mentioned technical problems. Utility Model Content

[0004] This utility model addresses the technical problems existing in the prior art by providing an easy-open cover riveting mechanism.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: an easy-open cover riveting mechanism, including a base and a pressure plate; The base has a cover plate groove on its top, and a second cylinder is installed on both sides of the cover plate groove. A baffle is fixed to the output end of the second cylinder, and the baffle is slidably connected to the base. The base has a through groove inside, and the top of the through groove communicates with the cover plate groove. A guide ring is fixed inside the through groove, and a push rod is slidably connected inside the guide ring. A first cylinder is installed at the bottom of the base, and the output end of the first cylinder is fixedly connected to the lower end of the push rod. A punch is provided at the upper end of the push rod. The bottom surface of the pressure plate is provided with a pull ring groove, a plurality of first air intake holes and a plurality of second air intake holes, the lower ends of the plurality of second air intake holes being connected to the pull ring groove.

[0006] Preferably, in the above-described easy-open cover riveting mechanism, the lower end of the top rod is provided with a retaining ring, and a spring is sleeved on the outside of the top rod, the spring being located between the retaining ring and the guide ring.

[0007] Preferably, in the above-mentioned easy-open cover riveting mechanism, guide holes are provided on both sides of the top of the base, and the baffle slides through the interior of the guide holes.

[0008] Preferably, in the above-mentioned easy-open cover riveting mechanism, a ramp guide surface is provided at the bottom of one end of the baffle.

[0009] Preferably, in the above-mentioned easy-open cover riveting mechanism, the top of the pressure plate is fixedly connected to a pressure plate fixing rod, the inside of the pressure plate fixing rod is provided with an airflow channel, the airflow channel is connected to the second air intake hole, and a three-way air pipe connector is installed at the inlet end of the airflow channel.

[0010] Preferably, in the above-mentioned easy-open cover riveting mechanism, the upper end of the first air intake hole is connected to an air pipe connector, and an air pipe is connected between the air pipe connector and the three-way air pipe joint.

[0011] Preferably, in the above-described easy-open cover riveting mechanism, the through groove is perpendicular to the bottom surface of the cover plate groove.

[0012] The beneficial effects of this invention are as follows: During impact riveting, the second cylinder pushes out the baffle, which limits the top of the pressure plate. The first cylinder drives the push rod upward, causing the punch to impact the lower end of the anchor rod. After being impacted by the punch, the lower end of the anchor rod spreads laterally and adheres to the bottom surface of the cover plate, thus achieving riveting. This easy-open cover riveting mechanism has a simple structure, low cost, and improved riveting efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the structure of the present invention when the pressure plate is not pressed down; Figure 3 This is a schematic diagram of the internal structure of the pressure plate; Figure 4 This is a schematic diagram showing the positions of the cover plate, pull ring, and anchor bolt.

[0014] The attached diagram lists the components represented by each number as follows: 1. Base, 2. First cylinder, 3. Through groove, 4. Top rod, 5. Guide ring, 6. Punch, 7. Second cylinder, 8. Baffle, 9. Pressure plate fixing rod, 10. Pressure plate, 11. First suction hole, 12. Second suction hole, 13. Three-way air pipe connector, 14. Cover plate, 15. Pull ring, 16. Anchor rod, 17. Pull ring groove, 18. Cover plate groove, 19. Spring. Detailed Implementation

[0015] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0016] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, an easy-open cover riveting mechanism includes a base 1 and a pressure plate 10. The base 1 is fixedly mounted, and a cover plate groove 18 is provided on the top of the base 1. The cover plate groove 18 is adapted to fit a cover plate 14 and is used to accommodate the cover plate 14. A second cylinder 7 is installed on both sides of the cover plate groove 18, and the output ends of the two second cylinders 7 are arranged opposite each other. A baffle 8 is fixed to the output end of the second cylinder 7. The baffle 8 is slidably connected to the base 1, and guide holes are provided on both sides of the top of the base 1. The baffle 8 slides through the interior of the guide holes.

[0017] The base 1 has an internal through groove 3, the top of which communicates with the cover plate groove 18, and the through groove 3 is perpendicular to the bottom surface of the cover plate groove 18. A guide ring 5 is fixed inside the through groove 3, and a push rod 4 is slidably connected inside the guide ring 5. A first cylinder 2 is installed at the bottom of the base 1, and the output end of the first cylinder 2 is fixedly connected to the lower end of the push rod 4. A punch 6 is provided at the upper end of the push rod 4, with a pointed conical end and a flat bottom for easy riveting. A retaining ring is provided at the lower end of the push rod 4, and a spring 19 is sleeved on the outside of the push rod 4, located between the retaining ring and the guide ring 5. The spring 19 allows the push rod 4 to quickly reset and also provides a buffering effect.

[0018] The bottom surface of the pressure plate 10 is provided with a pull ring groove 17, multiple first suction holes 11, and multiple second suction holes 12. The lower ends of the multiple second suction holes 12 are connected to the pull ring groove 17. The second suction holes 12 are used to adsorb the pull ring 15, and the first suction holes 11 are used to adsorb the cover plate 14. The pull ring groove 17 is adapted to the pull ring 15 and is used to accommodate the pull ring 15. A pressure plate fixing rod 9 is fixedly connected to the top of the pressure plate 10. An airflow channel is provided inside the pressure plate fixing rod 9. The airflow channel is connected to the second suction holes 12. A three-way air pipe connector 13 is installed at the inlet end of the airflow channel. One port of the three-way air pipe connector 13 is connected to an external air source. An air pipe connector is connected to the upper end of the first suction hole 11. An air pipe is connected between the air pipe connector and the three-way air pipe connector 13. The top of the pressure plate fixing rod 9 is connected to a moving mechanism, which drives the pressure plate fixing rod 9 and the pressure plate 10 to move.

[0019] The cover plate 14, pull ring 15, and anchor rod 16 are positioned, connected, and stacked using external positioning equipment, according to... Figure 4 After the position is set, the cover plate 14 and pull ring 15 are simultaneously lifted by the pressure plate 10. Under the vacuum suction of the second suction hole 12, the pull ring 15 is adsorbed into the pull ring groove 17. Under the vacuum suction of the first suction hole 11, the cover plate 14 is adsorbed below the pressure plate 10. The anchor rod 16 is inserted between the pull ring 15 and the cover plate 14. Due to the gravity of the anchor rod 16 and the blocking effect of the top rivet cover, the anchor rod 16 will not fall off during the movement.

[0020] Working principle: After the cover plate 14 and pull ring 15 are adsorbed to the bottom of the pressure plate 10, the pressure plate fixing rod 9 and pressure plate 10 are moved above the cover plate groove 18 by the external moving mechanism, and then moved down, so that the cover plate 14 falls into the cover plate groove 18 and the anchor rod 16 falls into the through groove 3. The second cylinder 7 is activated to push out the baffle 8. At this time, the baffles 8 on both sides press against the upper side of the pressure plate 10, and the bottom surface of the baffle 8 contacts the upper surface of the pressure plate 10. One end of the baffle 8 is provided with a sloping guide surface to facilitate the outward push of the baffle 8. Then the first cylinder 2 is activated to push the top rod 4 upward, and the punch 6 impacts the bottom of the anchor rod 16. During this process, the pressure plate 10 will not move upward due to the limiting effect of the baffle 8. The lower end of the anchor rod 16 is hollow cylindrical. After being impacted by the punch 6, the lower end of the anchor rod 16 spreads to the side and adheres to the bottom surface of the cover plate 14, thereby achieving riveting.

[0021] In the description of this utility model, it should be understood that the terms "upper," "lower," "left," and "right," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or a specific orientational structure and operation. Therefore, they should not be construed as limitations on this utility model. Furthermore, "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "multiple" means two or more.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] The above description provides a detailed account of one embodiment of the present invention. However, this description is merely a preferred embodiment and should not be construed as limiting the scope of the present invention. All equivalent variations and improvements made within the scope of the claims of the present invention should still fall within the patent coverage of the present invention.

Claims

1. An easy-open cover riveting mechanism, characterized in that: Includes base (1) and pressure plate (10); The top of the base (1) is provided with a cover plate groove (18), and a second cylinder (7) is installed on both sides of the cover plate groove (18). A baffle (8) is fixed at the output end of the second cylinder (7). The baffle (8) is slidably connected to the base (1). A through groove (3) is provided inside the base (1). The top of the through groove (3) is connected to the cover plate groove (18). A guide ring (5) is fixed inside the through groove (3). A push rod (4) is slidably connected inside the guide ring (5). A first cylinder (2) is installed at the bottom of the base (1). The output end of the first cylinder (2) is fixedly connected to the lower end of the push rod (4). A punch (6) is provided at the upper end of the push rod (4). The bottom surface of the pressure plate (10) is provided with a pull ring groove (17), a plurality of first air intake holes (11) and a plurality of second air intake holes (12), the lower ends of the plurality of second air intake holes (12) being connected to the pull ring groove (17).

2. The easy-open cover riveting mechanism according to claim 1, characterized in that: The lower end of the top rod (4) is provided with a retaining ring, and a spring (19) is sleeved on the outside of the top rod (4). The spring (19) is located between the retaining ring and the guide ring (5).

3. The easy-open cover riveting mechanism according to claim 1, characterized in that: The base (1) has guide holes on both sides of its top, and the baffle (8) slides through the interior of the guide holes.

4. The easy-open cover riveting mechanism according to claim 3, characterized in that: A ramp guide surface is provided at the bottom of one end of the baffle (8).

5. The easy-open cover riveting mechanism according to claim 1, characterized in that: The top of the pressure plate (10) is fixedly connected to a pressure plate fixing rod (9), and an airflow channel is provided inside the pressure plate fixing rod (9). The airflow channel is connected to the second air intake hole (12), and a three-way air pipe connector (13) is installed at the inlet end of the airflow channel.

6. The easy-open cover riveting mechanism according to claim 5, characterized in that: The upper end of the first air inlet (11) is connected to an air pipe connector, and an air pipe is connected between the air pipe connector and the three-way air pipe joint (13).

7. The easy-open cover riveting mechanism according to claim 1, characterized in that: The through groove (3) is perpendicular to the bottom surface of the cover plate groove (18).

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