A plastic cap transfer device

Abstract

The utility model relates to the technical field of plastic cover processing, concretely to a plastic cover's transfer device, including operation platform, the platform board of operation platform is divided into two groups, and the two group platform boards leave the interval, and the opposite side of two group platform boards is equipped with path structure evenly, and one platform board is installed with the removal and push subassembly, and another platform board is installed with multiple sets of limiting component, removal and push subassembly includes the bidirectional movement group that installs on one platform board. The plastic cover's transfer device, through the bidirectional movement group cylinder drive response is quick, makes the arc -shaped paddle to stick formula push to avoid cover body extrusion damage, guarantees the finished product qualification rate, with the help of L type guide plate guide, locating plate and tailboard limit and baffle final positioning, realize transfer whole process accurate control, solve the problem of locating deviation, need not additional vibration distribution mechanism, compact structure, small, low cost and easy maintenance, whole mechanical operation replaces manual work, greatly reduce the labor intensity, labor cost and product loss.

Description

Technical Field

[0001] This utility model relates to the field of plastic cap processing technology, specifically to a plastic cap transfer device. Background Technology

[0002] The key sealing component of milk tea packaging, the plastic cap, needs to go through multiple core processes, including injection molding, precision punching, edge grinding, and sealing performance testing. The precise and efficient transfer and stable positioning of the plastic cap between each processing station is a crucial link connecting the entire production line, which directly determines the overall production efficiency, the quality of the final product, and the core finished product qualification rate.

[0003] Currently, the transfer of plastic caps in the market mainly relies on two technical solutions: one is the manual transfer mode, which requires operators to continuously sort the plastic caps in the material frame one by one and place them in the positioning fixtures of the punching and other processing stations. This is not only labor-intensive and costly, but also prone to problems such as operator fatigue and hand gesture deviation, which can lead to the plastic caps being misplaced and the transfer rhythm being uneven. This directly causes functional defects such as hole position deviation and hole diameter deviation in the subsequent punching process. Moreover, the efficiency of manual operation is far from meeting the high-speed production needs of modern production lines.

[0004] Secondly, there are traditional mechanized transfer devices, such as pneumatic gripper conveyor mechanisms. Since the plastic lids of milk tea cups are mostly made of PP or PE, excessive gripping force can cause irreversible deformation of the lid, while insufficient force can easily lead to misalignment or even detachment. Although the combination structure of belt conveyor line and pusher component can achieve continuous batch transport of plastic lids, it is difficult to achieve precise separation and positioning of each lid. It often requires an additional vibration distribution mechanism, which increases the manufacturing cost and floor space of the equipment. Furthermore, when transferring to high-precision processing stations such as punching, the vibration of the belt can cause the plastic lid to shift position, which seriously affects the coaxiality and dimensional accuracy of the punching. Utility Model Content

[0005] To achieve the above objectives, this utility model provides the following technical solution: a plastic cap transfer device, comprising an operating table, the operating table being divided into two groups of plates with a gap between them, and each group of plates having a path structure on its opposite side; a transfer and push assembly is installed on one of the plates, and multiple sets of limiting assemblies are installed on the other plate; the transfer and push assembly includes a bidirectional moving group installed on one of the plates, the moving end of the bidirectional moving group being fixed with a push plate located above the path structure and extending to the gap between the two sets of plates, the push plate being equipped with a pair of paddles adapted to the plastic cap, the opposite side of the paddles being arc-shaped; the limiting assembly includes multiple positioning groups and a blocking group, both the positioning group and the blocking group including a pushing part, the pushing end of one group of pushing parts being fixed with a tail plate, the pushing ends of the remaining pushing parts being fixed with positioning plates, the positioning plates and tail plates being located above the path structure, and their heads forming an arc shape.

[0006] Furthermore, the path structure includes a mounting plate fixed on one side of the two sets of platform plates, and a guide plate is fixed to the bottom of the mounting plate by screws. The guide plate is L-shaped.

[0007] Furthermore, the bidirectional moving assembly includes a forward moving plate slidably mounted on one of the platform plates of the operating table, and multiple sets of side-push cylinders. The piston rod of the side-push cylinder is fixed with a side-push block, which is fixed to the forward moving plate. A pair of upright plates are fixed to the top of the forward moving plate, and a push cylinder is installed between the upright plates. A transverse moving plate, which is fixed to the piston rod of the push cylinder, is slidably connected to the top of the forward moving plate. The push plate is fixed to the bottom of the transverse moving plate.

[0008] Furthermore, multiple grooves are provided on one set of the operating platform, and the bottom sliding end of the forward moving plate and the side push block on the push cylinder are located in the corresponding grooves.

[0009] Furthermore, the push plate has a circular hole.

[0010] Furthermore, the pushing part is a positioning cylinder, the positioning plate and the tail plate are fixed to the piston rod of the corresponding positioning cylinder, and multiple guide blocks are fixed on the same side of the operating table and the pushing part. The top of the positioning plate and the tail plate are both formed with concave surfaces that are adapted to the inner side of the guide blocks.

[0011] Furthermore, a pair of waist-hole plates are fixed on the side of the operating platform near the tail plate, and a sliding plate is fixed between the waist-hole plates by screws. An upper-lift cylinder is installed on one side of the sliding plate, and a front-lift cylinder is fixed to the top of the piston rod of the upper-lift cylinder. A baffle is fixed to the piston rod of the front-lift cylinder, and the baffle is located on the center line of the path structure.

[0012] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0013] The plastic cap transfer device is driven by a bidirectional moving cylinder for rapid response, allowing the arc-shaped paddle to push the cap in a close fit, avoiding squeezing damage and ensuring a high product qualification rate. With the help of L-shaped guide plates, positioning plates and tail plates for limiting, and baffles for final positioning, it achieves precise control of the entire transfer process, solving the problem of positioning deviation. It does not require an additional vibration material distribution mechanism, has a compact structure, small footprint, low cost, and is easy to maintain. The entire process is mechanized, replacing manual labor, which significantly reduces labor intensity, labor costs, and product loss. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a three-dimensional schematic diagram of the mounting plate connection structure in this utility model;

[0016] Figure 3 This is a three-dimensional schematic diagram of the connection structure between the guide block and the push plate in this utility model;

[0017] Figure 4 This is a three-dimensional schematic diagram of the waist-shaped perforated plate connection structure of this utility model.

[0018] In the diagram: 3. Operating platform; 31. Mounting plate; 311. Guide plate; 32. Positioning cylinder; 33. Guide block; 34. Positioning plate; 35. Tail plate; 41. Forward moving plate; 42. Side push cylinder; 43. Lateral moving plate; 44. Vertical plate; 45. Pushing cylinder; 46. Pushing plate; 47. Paddle; 48. Waist hole plate; 481. Slide plate; 49. Top lifting cylinder; 410. Front lifting cylinder; 411. Baffle. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1-4 This embodiment of a plastic cap transfer device includes an operating table 3. The operating table 3 has two sets of plates, which are divided into a transfer plate and a limiting plate. The two sets of plates are spaced apart, and each set of plates has a path structure on its opposite side. One plate is equipped with a transfer and pushing component, and the other plate is equipped with multiple limiting components. Through the spacing between the plates and the coordination of the path structure, the transfer and pushing component can drive the plastic cap to a designated processing position under the guidance of the path structure, and the limiting components can limit the cap and block it at the end unloading area to wait for unloading.

[0021] The transfer assembly includes a forward plate 41 slidably mounted on the transfer platform and at least four side-push cylinders 42. The piston rod of the side-push cylinder 42 is fixed with a side-push block, which is fixed to the forward plate 41. Four protrusions are formed on the outward side of the forward plate 41. The top of the two protrusions on the right side is fixed with a vertical plate 44. A push cylinder 45 is installed between the vertical plates 44. The top of the forward plate 41 is slidably connected with a transverse plate 43 fixed to the piston rod of the push cylinder 45. At least four push plates 46 are fixed at the bottom of the transverse plate 43. The push plates 46 are located above the path structure and can extend above the gap between the two sets of platform plates. A pair of paddles 47 adapted to the plastic cover are embedded in the push plates 46. The opposite side of the paddles 47 is arc-shaped.

[0022] The side-push cylinder 42 drives the forward-moving plate 41 to move in the front-back direction, and the push cylinder 45 drives the transverse plate 43 to move in the left-right direction. The push cylinder drives first, causing the push plate to be aligned with the plastic cover. Then the side-push cylinder moves and pushes it to the designated position. After that, the side-push cylinder drives the forward-moving plate to retract. The bidirectional moving structure can flexibly adjust the position of the push plate 46 to adapt to processing stations with different spacing. It has strong versatility. The cylinder drive method has a rapid response and stable power, ensuring that the transfer rhythm is synchronized with the production line and improving production efficiency. The arc-shaped paddle 47 can accurately fit the edge contour of the plastic cover, avoiding squeezing and deformation of the cover during the transfer process. At the same time, it can achieve stable pushing of a single plastic cover, solving the problem of difficult control of the force of traditional grippers. The push plate 46 can extend to the distance between the two sets of platforms to ensure a continuous transfer path and prevent the plastic cover from falling or shifting.

[0023] In addition, each of the transfer assembly platforms of the operating table 3 has at least eight sets of grooves, and the protruding plate of the forward moving plate 41 and the side push block on the push cylinder 45 are located in the corresponding grooves. The grooves provide a stable sliding track for the forward moving plate 41 and the side push block, avoiding deviation or jamming during sliding, ensuring the running accuracy of the bidirectional moving assembly, and the groove structure can also limit the sliding.

[0024] like Figure 2 The path structure includes a mounting plate 31 fixed on one side of the transfer platform and the limiting platform. A guide plate 311 is fixed to the bottom of the mounting plate 31 by screws. The guide plate 311 is L-shaped. The L-shaped guide plate 311 forms a stable transfer channel, providing bottom support and lateral guidance for the plastic cover, preventing the plastic cover from tilting or shifting during the transfer process, and ensuring accurate transfer trajectory. The guide plate 311 is fixed by screws, making it easy to disassemble and replace. The spacing of the guide plate can be adjusted according to the size of different plastic covers, making it highly adaptable.

[0025] like Figure 1 and 3The limiting assembly includes at least eight positioning cylinders 32 fixed to the top of the limiting assembly platform, and a number of guide blocks 33 of the same number as the positioning cylinders 32, which are coaxial with the corresponding cylinders. From left to right, seven guide blocks 33 are slidably connected to positioning plates 34 fixed to the piston rods of the corresponding positioning cylinders 32. The two corners of the inward side of the positioning plates 34 are arc-shaped. The last guide block 33 is slidably connected to a tail plate 35 fixed to the piston rod of the last positioning cylinder 32. The head end of the tail plate 35 is pushed out a greater distance than the head end of the positioning plate 34. At the same time, the side of the tail plate 35 opposite to the corresponding positioning plate 34 is also arc-shaped. The positioning plates 34 and the tail plate 35 are both located above the path structure and have arc-shaped head ends. The seven positioning plates and one tail plate are divided into four pairs. The middle of the positioning plates and the tail plate has a concave surface that matches the inner side of the guide blocks 33.

[0026] When the transfer assembly moves the plastic cover to the designated processing position, the positioning cylinder 32 drives the positioning plate 34 and the tail plate 35 to extend and retract precisely. The ejection of the two sets of positioning plates, through the arc surface, abuts against the plastic cover. At the same time, in conjunction with the side wall of the path structure, it can limit the plastic cover and ensure the positional accuracy when it is transferred to the processing position. This solves the problem of inaccurate positioning in traditional belt conveyors and ensures the processing quality of subsequent processes such as punching. The guide block 33 is adapted to the concave surface of the positioning plate 34 and the tail plate 35, which guides the positioning plate and the tail plate. At the same time, it can also prevent excessive ejection from causing squeezing damage to the plastic cover and ensure positioning accuracy.

[0027] The push plate 46 has circular holes. These holes reduce the weight of the push plate 46, decrease the drive load on the bidirectional moving assembly, and improve the stability and service life of the equipment.

[0028] like Figure 1 and 4 A pair of waist-hole plates 48 are fixed to the side of the operating table 3 near the tail plate 35. A slide plate 481 is fixed between the waist-hole plates 48 by screws. An upper-lift cylinder 49 is installed on the right side of the slide plate 481. A front-lift cylinder 410 is fixed to the top of the piston rod of the upper-lift cylinder 49. A baffle 411 is fixed to the piston rod of the front-lift cylinder 410. The baffle 411 is located on the center line of the path structure. The slide plate 481 can be adjusted back and forth along the waist holes of the waist-hole plates 48. The upper-lift cylinder 49 adjusts the height of the baffle 411, and the front-lift cylinder 410 adjusts the left and right position of the baffle 411, realizing multi-dimensional adjustment to meet the limiting requirements of the plastic cap. The baffle 411 is located on the center line of the path, which can perform final precise positioning of the plastic cap to ensure that it stays in the unloading area after processing.

[0029] The working principle of the above embodiments is as follows:

[0030] The plastic caps to be processed enter the equipment's operating area via a pre-conveyor structure. The pre-reserved gap between the transfer and limit groups on the operating platform, combined with the path structure on opposite sides of the two groups of platforms, forms a stable transfer channel. An L-shaped guide plate is fixed to the side of the platform via a mounting plate; its horizontal section provides bottom support for the plastic cap, while its vertical section forms a side guide, ensuring the plastic cap moves along a preset trajectory upon initial entry, preventing tilting or deviation. Once the plastic cap enters the initial position of the transfer channel, the transfer assembly is activated. First, a push cylinder moves the transverse plate, aligning it with the corresponding plastic cap. Then, a side push cylinder pushes the forward plate out, positioning the plastic cap between two levers. The push cylinder then moves the plastic cap to the designated position. The side push block slides along the groove of the transfer group, moving synchronously with the forward plate fixed to the side push block along the groove track. The groove structure provides stable sliding constraints for the forward plate, preventing jamming or deviation during movement. After the arc-shaped levers stably adhere to the plastic cap, they move the plastic cap along the channel formed by the L-shaped guide plate to the designated position. Once the plastic cap is transferred to the designated processing position, the limiting component immediately activates. The piston rod of the positioning cylinder at the corresponding processing position extends, pushing the positioning plate to slide along the guide block. The guide block precisely matches the concave surface in the center of the positioning plate, providing guidance and constraint to prevent displacement during ejection. The arc-shaped angle on the inward side of the positioning plate fits against the edge of the plastic cap, and together with the vertical guide surface of the L-shaped guide plate, it forms a stable clamping effect on the plastic cap from both sides, ensuring the positional accuracy of the plastic cap at the processing position. This solves the problem of inaccurate positioning in traditional belt conveyors. To address this issue and provide reliable assurance for subsequent punching and other processes, when the plastic cap is finished and transferred to the tail unloading area, the last set of positioning cylinders drives the tail plate to extend. The head of the tail plate extends further than the positioning plate, and its arc-shaped surface fits against the plastic cap to form a barrier, restricting the plastic cap within the unloading area. At the same time, the upper cylinder adjusts the height of the baffle, and the front cylinder adjusts the left and right positions of the baffle, so that the baffle is precisely located on the center line of the path structure, ensuring that the plastic cap stays at the preset unloading position. Then, the above operation is repeated to achieve continuous cyclic operation.

[0031] The entire workflow is now complete, and anything not described in detail in this specification is existing technology known to those skilled in the art.

[0032] It should be noted that in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A transfer device for a plastic cap, characterized in that: The system includes an operating table (3), the table of which is divided into two groups with a gap between them, and a path structure is provided on the opposite side of each group of tables. One of the tables is equipped with a pushing component, and the other table is equipped with multiple sets of limiting components. The push assembly includes a bidirectional moving group mounted on one of the platforms. The moving end of the bidirectional moving group is fixed with a push plate (46) located above the path structure and extending to the distance between the two platforms. A pair of paddles (47) adapted to the plastic cover are mounted on the push plate (46). The opposite side of the paddles (47) is arc-shaped. The limiting component includes multiple positioning groups and a blocking group. Both the positioning group and the blocking group include a pushing part. The pushing end of one group of pushing parts is fixed with a tail plate (35), and the pushing end of the other pushing parts is fixed with a positioning plate (34). The positioning plate (34) and the tail plate (35) are both located above the path structure, and their heads are arc-shaped.

2. The transfer device for a plastic cap according to claim 1, characterized in that: The path structure includes a mounting plate (31) fixed on one side of the two sets of platform plates. The bottom of the mounting plate (31) is fixed with a guide plate (311) by screws. The guide plate (311) is L-shaped.

3. The transfer device for a plastic cap according to claim 1, characterized in that: The bidirectional moving assembly includes a forward moving plate (41) slidably mounted on one of the platform plates of the operating table (3), and multiple sets of side-push cylinders (42) are installed. The piston rod of the side-push cylinder (42) is fixed with a side-push block, which is fixed to the forward moving plate (41). A pair of upright plates (44) are fixed to the top of the forward moving plate (41), and a push cylinder (45) is installed between the upright plates (44). A transverse moving plate (43) fixed to the piston rod of the push cylinder (45) is slidably connected to the top of the forward moving plate (41), and the push plate (46) is fixed to the bottom of the transverse moving plate (43).

4. The transfer device for a plastic cap according to claim 3, characterized in that: Multiple grooves are provided on one of the sets of platform plates of the operating table (3), and the bottom sliding end of the forward moving plate (41) and the side push block on the push cylinder (45) are located in the corresponding grooves.

5. The transfer device for a plastic cap according to claim 3, characterized in that: The push plate (46) has a circular hole.

6. The transfer device for a plastic cap according to claim 1, characterized in that: The pushing part is a positioning cylinder (32). The positioning plate (34) and the tail plate (35) are fixed to the piston rod of the corresponding positioning cylinder (32). Multiple guide blocks (33) are fixed on the same side of the operating table (3) and the pushing part. The top of the positioning plate (34) and the tail plate (35) are both formed with concave surfaces that are adapted to the inner side of the guide blocks (33).

7. The transfer device for a plastic cap according to claim 6, characterized in that: The operating platform (3) has a pair of waist hole plates (48) fixed on one side near the tail plate (35). The waist hole plates (48) slide between each other through a sliding plate (481) locked by screws. An upper cylinder (49) is installed on one side of the sliding plate (481). A front cylinder (410) is fixed at the top of the piston rod of the upper cylinder (49). A baffle (411) is fixed on the piston rod of the front cylinder (410). The baffle (411) is located on the center line of the path structure.

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