A quick-change feeding cover assembly and cover feeding mechanism

Abstract

This utility model discloses a quick-change cap feeding assembly, including a fixedly mounted base assembly and a movable seat positioned above the base assembly and movable relative to it. A cap feeding plate is detachably mounted on the movable seat via a locking structure. The upper surface of the cap feeding plate has a groove suitable for holding bottle caps. The base assembly has a vertically upward limiting part that passes through the movable seat and the cap feeding plate with a gap, forming a matching limiting surface around the groove. This utility model, without altering existing functions, prevents caps from slipping out of the cap feeding plate, does not interfere with the cap gripping action of the capping mechanism, and enables quick cap replacement.

Description

Technical Field

[0001] This utility model relates to the field of automatic packaging machinery technology, and in particular to a quick-change cap feeding assembly and cap delivery mechanism. Background Technology

[0002] A capping machine is a device that screws caps onto bottles, widely used in industries such as lubricating oil, edible oil, daily chemicals, food, and pharmaceuticals. Existing capping machines generally include a bottle feeding mechanism, a cap feeding mechanism, and a capping mechanism. The overall structural design is based on Chinese invention application CN 107200295 A. The bottle feeding mechanism and cap feeding mechanism transport bottles and caps respectively. The cap feeding assembly, as a key end component of the cap feeding mechanism, defines the position of the delivered caps, ensuring that each cap to be transferred remains in a fixed position. This allows the capping mechanism to accurately grasp the caps from the cap feeding assembly and transfer them above the bottle neck for automatic capping. Existing cap feeding mechanisms generally use tracked conveyors or pneumatic conveyors. The structure of the pneumatic conveyor is referenced in Chinese invention application No. CN 116854003 A. Due to the limited height of the cap, the groove of the cap feeding plate of the cap feeding assembly is generally not designed to be too deep, so as to ensure the reliability of the capping head's gripping of the cap. In this case, the cap may run out of the cap feeding plate during feeding, which occurs more frequently in pneumatic conveyor cap feeding mechanisms, affecting the overall capping efficiency. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing a quick-change cap feeding assembly and cap delivery mechanism. Without changing the existing functions, it can prevent the cap from running out of the cap feeding plate, without interfering with the cap gripping action of the capping mechanism, and can achieve quick replacement.

[0004] The technical solution to achieve the purpose of this utility model is:

[0005] A quick-change cap feeding assembly includes a fixed base assembly and a movable seat located above the base assembly and movable relative to the base assembly. The movable seat is detachably provided with a cap feeding plate by means of a locking structure. The upper surface of the cap feeding plate has a groove suitable for placing bottle caps. The base assembly has a vertically upward limiting part. The limiting part passes through the movable seat and the cap feeding plate in sequence with gaps and forms a matching limiting surface around the groove.

[0006] Furthermore, the limiting part includes at least two parallel limiting posts, the outer peripheral surface of which fits against the cover that enters the groove to form the limiting surface.

[0007] Furthermore, the base frame assembly has a first strip groove opened in parallel, the movable seat has a second strip groove corresponding to the first strip groove, the periphery of the groove has a first through hole, the limiting post passes through the corresponding first strip groove, second strip groove and first through hole in sequence, and the bottom has a sliding part coaxially provided, and is adjustablely installed in the first strip groove through the sliding part.

[0008] Furthermore, the sliding part includes a lower limiting end integrally formed at the lower end of the limiting post and an upper limiting end threadedly fitted on the limiting post, and the limiting post located between the upper limiting end and the lower limiting end is slidably disposed in the first strip groove.

[0009] Furthermore, the movable seat includes a movable base plate and a movable side plate vertically fixed to the side of the movable base plate. The locking structure includes a movable pin and a fixed pin. The feed cover plate is provided with a blind hole corresponding to the movable pin. The movable pin passes through the movable side plate in the horizontal direction and is inserted into the blind hole. The fixed pin is set vertically upward and fixed on the movable seat. The feed cover plate is provided with a second through hole located outside the groove. The fixed pin is inserted into the second through hole.

[0010] Furthermore, the movable pin is an indexing pin, with the fixed end of the indexing pin installed on the movable side plate and the movable end inserted into the blind hole.

[0011] Furthermore, it also includes a lifting cylinder and a fixed first mounting plate, wherein the fixed end of the lifting cylinder is fixedly mounted on the first mounting plate, and the movable end is fixedly connected to the movable seat.

[0012] A cap feeding mechanism includes a cap feeding channel, the end of which is provided with a cap feeding assembly as described above, the groove engaging with the cap feeding channel, and the base frame assembly being fixedly connected to the cap feeding channel.

[0013] Furthermore, it also includes an air duct assembly, on both sides of which are provided with adjustable baffles, forming the cover feeding channel between the two baffles. Above the cover feeding channel is a liftable and adjustable cover pressing assembly, and near the end is a cover blocking mechanism.

[0014] Furthermore, the air duct assembly is fixedly fitted with support components near both ends. The support components include upright plates symmetrically fixed on both sides of the air duct assembly, and a top plate is fixedly connected to the top of the upright plates. A rotating shaft is rotatably connected between the two upright plates of the same set of support components. A gear is coaxially fixed on the rotating shaft. A rack that meshes with the gear is slidably provided on the top plate along the longitudinal direction. The pressure plate assembly includes a pressure plate extending along the length direction of the air duct assembly. Connecting columns are vertically fixed to both ends of the pressure plate. The upper ends of the two connecting columns are respectively fixedly connected to the corresponding racks.

[0015] Furthermore, a positive and negative lead screw assembly is rotatably mounted between the two vertical plates on the side of the rotating shaft, and the two stop bars are respectively fixedly connected to the two upper limit ends of the positive and negative lead screw assembly. By rotating the positive and negative lead screw assembly, the two stop bars can be moved closer and further apart. By pre-adjusting the initial positions of the two stop bars, the cap feeding channel and the cap feeding plate can be centered and aligned, ensuring that they remain aligned during subsequent adjustments to the spacing of the cap feeding channel, thus simplifying the changeover and debugging process.

[0016] Furthermore, a synchronization component is connected between the two rotating shafts and between the two positive and negative lead screw assemblies. The synchronization component is a chain transmission synchronization component or a belt transmission synchronization component to ensure synchronous movement. Only one end needs to be adjusted, which further simplifies the debugging process.

[0017] Furthermore, handwheels are respectively installed at the ends of the rotating shaft and the positive and negative lead screw assemblies away from the synchronization assembly for convenient rotation operation.

[0018] Furthermore, a second mounting plate is fixedly installed on the side of the air duct assembly near its end. The cover mechanism includes a cover cylinder fixedly mounted on the second mounting plate. The piston rod of the cover cylinder is inclined toward the cover conveying direction and coaxially fixed to a stop shaft. By adjusting a suitable inclination angle, during the extension of the stop shaft, it can both block the cover at the rear end and push the cover at the front end into the groove.

[0019] By adopting the above technical solution, this utility model has the following beneficial effects:

[0020] (1) This utility model forms a limiting surface through the limiting part, thereby blocking the bottle cap that enters the groove and preventing the bottle cap from running out of the feeding plate under the action of inertia or wind force; at the same time, the feeding plate is installed on the movable seat through the locking structure. When it needs to be replaced, it is only necessary to open the locking structure to achieve quick replacement; in addition, since the movable seat can be raised and lowered relative to the base frame assembly, when it is necessary to grab the cap, the movable seat drives the feeding plate to rise synchronously relative to the limiting part, so that the limiting part is hidden in the feeding plate and will not interfere with the cap grabbing action of the capping mechanism.

[0021] (2) The limiting part of this utility model is composed of at least two limiting columns, which can not only limit the cover in the groove, but also the columnar structure design can better achieve the guiding function. The structure is simple and easy to process.

[0022] (3) By adopting the structure of strip groove and sliding part, this utility model realizes the sliding adjustment of the limiting column and the base frame assembly, which is more versatile and meets the limiting requirements of the feeding cover plate with grooves of different sizes.

[0023] (4) The sliding part of this utility model adopts a bolt structure formed by the lower limit end, the upper limit end and the limit post, which realizes tool-free adjustment, has a simple structure and is easy to process.

[0024] (5) The locking structure of this utility model adopts a spatially vertical movable pin and a fixed pin. The connection between the feed cover plate and the movable seat is achieved through the movable pin and the fixed pin. When disassembly is required, the movable pin can be pulled out to achieve tool-free disassembly and assembly. The structure is simple and easy to disassemble and assemble.

[0025] (6) The movable pin of this utility model adopts an indexing pin structure, which can realize the horizontal connection between the movable seat and the feed cover plate, and avoid the risk of simple movable pins falling off and failing.

[0026] (7) This utility model achieves lifting and lowering action by driving the movable seat with a lifting cylinder. It has a simple structure and fast action response.

[0027] (8) The lid feeding mechanism of this utility model uses a wind-powered conveying method to transport the lids. It has high lid feeding efficiency and low operating cost. The adjustable spacing of the baffles enables different widths of the lid feeding channels to meet the conveying needs of lids of different diameters. At the same time, it is equipped with a height-adjustable lid pressing component to meet the stable conveying of lids of different heights. It is also equipped with a cover blocking mechanism to prevent the lids at the rear end of the conveying line from squeezing the lids on the lid feeding plate and interfering with the lid feeding action.

[0028] (9) This utility model realizes the transmission connection between the rotating shaft and the pressure plate through the meshing of gears and racks. By rotating the rotating shaft, the pressure plate can be adjusted up and down. The structure is simple and the adjustment is convenient. Attached Figure Description

[0029] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein:

[0030] Figure 1 This is a schematic diagram of the structure of this utility model;

[0031] Figure 2 for Figure 1 A magnified view of point A in the image;

[0032] Figure 3 This is a partial structural schematic diagram of the present invention;

[0033] Figure 4 This is a partial structural diagram of the feeding cap assembly of this utility model.

[0034] The labels in the attached diagram are:

[0035] 1. Air duct assembly; 2. Baffle strip; 3. Base frame assembly; 3. First strip groove; 4. Movable seat; 4. Movable base plate; 4. Movable side plate; 4. Second strip groove; 4. Locking structure; 5. Movable pin; 5. Fixed pin; 6. Feed cover plate; 6. Groove; 6. Second through hole; 7. Limiting part; 7. Limiting post; 7. Sliding part; 8. Pressure cover assembly; 8. Pressure plate; 8. Connecting post; 9. Baffle mechanism; 9. Baffle cylinder; 10. Support assembly; 10. Vertical plate; 10. Top plate; 10. Rotating shaft; 11. Gear; 12. Rack; 13. Positive and negative lead screw assembly; 14. Synchronization assembly; 15. First mounting plate; 16. Lifting cylinder; 17. Detailed Implementation

[0036] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0037] (Example 1)

[0038] like Figures 1 to 4 The illustrated cap feeding mechanism includes a cap feeding channel and a cap feeding assembly located at the end of the channel. The cap feeding channel is formed by an air duct assembly 1 and baffles 2 located on both sides of the air duct assembly. The cap feeding assembly includes a base frame assembly 3, a movable seat 4, a locking structure 5, a cap feeding plate 6, and a limiting part 7. The base frame assembly 3 is fixedly installed at the left end of the air duct assembly 1. The movable seat 4 is located above the base frame assembly 3 and is vertically adjustable relative to the base frame assembly 3. The upper surface of the cap feeding plate 6 has a notch that aligns with a groove 6-1 in the cap feeding channel for placing bottle caps. The limiting part 7 is located on the base frame assembly 3 and extends vertically upward, passing through the movable seat 4 and the cap feeding plate 6 with a gap. It forms a matching limiting surface on the periphery of the cap entering the groove 6-1, thereby limiting the cap and preventing it from slipping out of the cap feeding plate 6. Simultaneously, the cap feeding plate 6 is detachably installed on the movable seat 4 via the locking structure 5 and moves synchronously with the movable seat 4. When the cap feeding plate needs to be replaced, simply open the locking structure 5 for quick replacement. When it is necessary to grab the cap, the movable seat 4 drives the feeding plate 6 to rise synchronously relative to the limiting part 7. By designing a suitable lifting stroke of the feeding plate 6 and the height of the limiting part 7, the limiting part 7 is hidden inside the feeding plate 6, so as not to interfere with the cap grabbing action of the capping mechanism.

[0039] In order to meet the conveying requirements of caps with different outer diameters, the distance between the two baffles 2 in this embodiment is adjustable. At the same time, in order to meet the stable conveying of caps of different heights, this embodiment provides a lifting and adjusting cap pressing assembly 8 above the cap feeding channel, and a cap blocking mechanism 9 is provided near the end.

[0040] Specifically, support components 10 are fixedly mounted near both ends of the air duct assembly 1. Each support component 10 includes symmetrically fixed vertical plates 10-1 on both sides of the air duct assembly 1. A top plate 10-2 is fixedly connected to the top of each vertical plate 10-1. A rotating shaft 11 is rotatably connected between the two vertical plates 10-1 of the same support component 10. A gear 12 is coaxially fixed on the rotating shaft 11. A rack 13, meshing with the gear 10, is slidably mounted on the top plate 10-2. The pressure plate assembly 8 includes a pressure plate 8-1 extending along the length of the air duct assembly 1. Connecting posts 8-2 are vertically fixed to both ends of the pressure plate 8-1. The upper ends of the two connecting posts 8-2 are connected to the top plate 10-2 via sliders and are respectively fixed to the corresponding racks 13. The meshing of the gears 12 and racks 13 enables the transmission connection between the rotating shaft 11 and the pressure plate 8-1. By rotating the rotating shaft 11, the pressure plate 8-1 can be adjusted up and down. The structure is simple and the adjustment is convenient.

[0041] A positive and negative lead screw assembly 14 is rotatably mounted between two vertical plates 10-1 on the side of the rotating shaft 11. Two baffles 2 are fixedly connected to the two upper limit ends of the positive and negative lead screw assembly 14, thereby realizing the mutual approach and distance of the two baffles 2. By pre-adjusting the initial position of the two baffles 2, the lid feeding channel and the lid feeding plate 6 can be centered and aligned, and the alignment can be ensured during the subsequent adjustment of the distance of the lid feeding channel, simplifying the production changeover and debugging process.

[0042] To further simplify changeover and debugging, a synchronization component 15 is connected between the two rotating shafts 11 and between the two positive and negative lead screw assemblies 14 in this embodiment. The synchronization component 15 is a chain-driven synchronization component or a belt-driven synchronization component to ensure synchronized movement. Only one end needs to be adjusted, and it can be operated by a single person, further simplifying the debugging process. In addition, handwheels are installed at the ends of the rotating shafts 11 and the positive and negative lead screw assemblies 14 away from the synchronization component for convenient rotation operation.

[0043] A second mounting plate is fixedly installed on the side of the air duct assembly 1 near its end. The cover mechanism 9 includes a cover cylinder 9-1 fixedly mounted on the second mounting plate. The piston rod of the cover cylinder 9-1 is inclined toward the cover conveying direction and coaxially fixed to a stop shaft. By adjusting a suitable tilt angle, during the extension of the stop shaft, the cover at the rear end can be blocked, and the cover at the front end can be pushed into the groove 6-1.

[0044] The movable seat 4 includes a movable base plate 4-1 and a movable side plate 4-2 that is vertically fixed to the side of the movable base plate 4-1. Opposite to the second mounting plate is a first mounting plate 16 that is fixed to the air duct assembly 1. A lifting cylinder 17 is fixedly mounted on the first mounting plate 16. The movable piston rod of the lifting cylinder 17 is fixedly connected to the movable side plate 4-2, thereby driving the movable seat 4 to move up and down.

[0045] The locking structure 5 includes a movable pin 5-1 and a fixed pin 5-2. The movable pin 5-1 is an indexing pin. The side wall of the feed cover plate 6 has a blind hole corresponding to the indexing pin. The fixed end of the indexing pin is installed on the movable side plate 4-2, and the movable end is inserted into the blind hole. The fixed pin 5-2 is fixedly installed on the movable base plate 4-1 and is vertically upward. The feed cover plate 6 has a second through hole 6-2 located outside the groove 6-1, and the fixed pin 5-2 is inserted into the second through hole 6-2. By using the spatially vertical indexing pin and fixed pin 5-2, the connection between the feed cover plate 6 and the movable seat 4 is achieved. When disassembly is required, simply pull out the movable end of the indexing pin and lock it by rotation to keep it fixed, achieving tool-free disassembly and assembly. The structure is simple and easy to disassemble and assemble.

[0046] The limiting part 7 includes at least two parallel limiting posts 7-1. The outer peripheral surface of the limiting post 7-1 is tangent to the outer periphery of the cover entering the groove 6-1, forming a limiting surface. This not only limits the cover within the groove 6-1, but also provides better guidance due to the post-shaped structure, resulting in a simple structure and easy processing.

[0047] Considering that the size of the groove 6-1 on the feeding plate 6 varies for different sized lids, the relative position of the limiting post 7-1 and the base assembly 1 will change accordingly. In this embodiment, a first strip groove 3-1 is provided parallel to the base assembly 1, and a second strip groove 4-3 corresponding to the first strip groove 3-1 is provided on the movable seat 4. A first through hole is provided around the groove 6-1. The limiting post 7-1 passes through the corresponding first strip groove 3-1, second strip groove 4-3 and first through hole in sequence. A sliding part 7-2 is provided coaxially at the bottom and is adjustablely installed in the first strip groove 3-1 through the sliding part 7-2. The sliding part 7-2 includes a lower limiting end integrally formed at the lower end of the limiting post 7-1 and an upper limiting end threadedly fitted on the limiting post. The limiting post located between the upper limiting end and the lower limiting end is slidably disposed in the first strip groove. By adopting a structure with strip grooves and sliding parts, the sliding adjustment of the limiting post 7-1 and the base frame assembly 1 is realized, which has higher versatility and meets the limiting requirements of the feeding cover plate with grooves of different sizes.

[0048] This invention uses the limiting part 7 to form a limiting surface, thereby blocking the bottle cap entering the groove 6-1 and preventing the bottle cap from running out of the feeding plate 6 under the action of inertia or wind force. At the same time, the feeding plate 6 is installed on the movable seat 4 through the locking structure 5. When it needs to be replaced, simply open the locking structure 5 to achieve quick replacement. In addition, since the movable seat 4 can be raised and lowered relative to the base frame assembly 3, when it is necessary to grab the cap, the movable seat 4 drives the feeding plate 6 to rise synchronously relative to the limiting part 7, so that the limiting part 7 is hidden in the feeding plate 6 and will not interfere with the cap grabbing action of the capping mechanism.

[0049] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above descriptions are merely specific embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A quick-change feed cap assembly, characterized in that: The device includes a fixed base assembly and a movable seat located above the base assembly and movable relative to the base assembly. The movable seat is detachably provided with a cap feeding plate via a locking structure. The upper surface of the cap feeding plate has a groove suitable for placing bottle caps. The base assembly has a vertically upward limiting part that passes through the movable seat and the cap feeding plate in sequence with gaps, and forms a matching limiting surface around the groove.

2. The quick-change feed cap assembly according to claim 1, characterized in that: The limiting part includes at least two parallel limiting posts, the outer peripheral surface of which fits against the cover that enters the groove to form the limiting surface.

3. The quick-change feed cap assembly according to claim 2, characterized in that: The base frame assembly has a first strip groove running parallel to it, the movable seat has a second strip groove corresponding to the first strip groove, the periphery of the groove has a first through hole, the limiting post passes through the corresponding first strip groove, second strip groove and first through hole in sequence, and the bottom has a sliding part coaxially provided, and is adjustablely installed in the first strip groove through the sliding part.

4. The quick-change feed cap assembly according to claim 3, characterized in that: The sliding part includes a lower limiting end located at the lower end of the limiting post and an upper limiting end threaded onto the limiting post. The limiting post located between the upper limiting end and the lower limiting end is slidably disposed in the first strip groove.

5. The quick-change feed cap assembly according to claim 1, characterized in that: The movable seat includes a movable base plate and a movable side plate vertically fixed to the side of the movable base plate. The locking structure includes a movable pin and a fixed pin. The feed cover plate has a blind hole corresponding to the movable pin. The movable pin passes through the movable side plate horizontally and is inserted into the blind hole. The fixed pin is vertically upward and fixed to the movable seat. The feed cover plate has a second through hole located outside the groove. The fixed pin is inserted into the second through hole.

6. The quick-change feed cap assembly according to claim 5, characterized in that: The movable pin is an indexing pin, with the fixed end of the indexing pin installed on the movable side plate and the movable end inserted into the blind hole.

7. The quick-change feed cap assembly according to claim 1, characterized in that: It also includes a lifting cylinder and a fixed first mounting plate, wherein the fixed end of the lifting cylinder is fixedly mounted on the first mounting plate, and the movable end is fixedly connected to the movable seat.

8. A lid-feeding mechanism, characterized in that: The device includes a cap feeding channel, the end of which is provided with a cap feeding assembly as described in any one of claims 1 to 7, the groove engaging with the cap feeding channel, and the base frame assembly being fixedly connected to the cap feeding channel.

9. A cap-feeding mechanism according to claim 8, characterized in that: It also includes an air duct assembly, on both sides of which are adjustable baffles, forming the cover feeding channel between the two baffles. Above the cover feeding channel is a liftable and adjustable cover assembly, and near the end is a cover baffle mechanism.

10. A cap-feeding mechanism according to claim 9, characterized in that: The air duct assembly is fixedly fitted with support components near both ends. The support components include upright plates symmetrically fixed on both sides of the air duct assembly, and a top plate is fixedly connected to the top of the upright plates. A rotating shaft is rotatably connected between two upright plates in the same set of support components. A gear is coaxially fixed on the rotating shaft. A rack that meshes with the gear is slidably provided on the top plate along the longitudinal direction. The pressure plate assembly includes a pressure plate extending along the length direction of the air duct assembly. Connecting columns are vertically fixed to both ends of the pressure plate. The upper ends of the two connecting columns are respectively fixedly connected to the corresponding racks.

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