Positioning mechanism for stamping plastic cover
By designing a positioning mechanism driven by a support plate and a drive motor, the precise positioning and fixing of multiple plastic caps were achieved, solving the problem of poor positioning effect in the existing technology and improving the product qualification rate.
Patent Information
- Application Number
- CN202520297258.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-02-24
AI Technical Summary
The positioning effect of existing positioning mechanisms for plastic cap stamping is limited, resulting in poor stamping effect and increasing the probability of defective products.
A positioning mechanism comprising a support plate, a base, a positioning rod, a drive rod, and a drive motor is designed. The drive motor drives the turntable and rack and pinion to mesh and transmit power, thereby achieving precise positioning and fixing of multiple plastic caps.
This improved the production pass rate of plastic caps and ensured the stability of the stamping process and product quality.
Smart Images

Figure CN223763602U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of plastic cap processing equipment, and in particular to a positioning mechanism for stamping plastic caps. Background Technology
[0002] Plastic caps are a common form of packaging for bottles, cans, and barrels, and are especially widely used in the beverage, chemical, and pharmaceutical industries. Based on their uses, they can be divided into breathable plastic caps and non-breathable plastic caps.
[0003] In the existing technology, when multiple plastic caps are stamped at the same time, the limited positioning effect will affect the stamping effect and greatly increase the probability of defective products. Therefore, it is urgent to design a new positioning mechanism for plastic cap stamping to solve the above problems. Utility Model Content
[0004] The purpose of this utility model is to provide a positioning mechanism for stamping plastic caps, so as to solve the problem that the existing positioning mechanism for stamping plastic caps has limited positioning effect on plastic caps, which affects the stamping effect and increases the probability of defective products.
[0005] To solve the above-mentioned technical problems, this utility model provides a positioning mechanism for stamping plastic caps, including a support plate. The top edge of the support plate has several evenly distributed mold grooves. A base plate is fixed to the bottom center via a cylinder, and several discs are also provided on the bottom edge. Two first slots are opened in the mold grooves, and two support blocks are fixed thereon. Side rods are fixed to both sides of each support block, and a positioning rod is provided at the top. A sliding groove is opened on the side of the positioning rod, and a first connecting block is fixed to one end of it. A rotating rod is slidably connected in the sliding groove. The two ends of the rotating rod are respectively fixed to the inner sides of the two side rods. A drive rod is movably connected to the first connecting block via a first rotating shaft. Two support rods are fixed to the top of each of the discs, and screws are fixed to the bottom center of each. The number of support rods is the same as the number of first slots and they correspond one-to-one. The top of each support rod is located in the first slot and a second connecting block is fixed thereon. The second connecting block is movably connected to the other end of the drive rod via a second rotating shaft.
[0006] The chassis has several evenly distributed connecting plates fixed on its side. The bottom surface of the other end of the connecting plate has a through hole and a gear. A sliding rod is fixed to the top of the gear. The top of the sliding rod passes through the through hole and has a threaded groove. The number of screws is the same as that of the sliding rods and they correspond one-to-one. The bottom end of the screw is located in the threaded groove and is threadedly connected to it.
[0007] The support plate is also provided at the bottom end. Two base plates are fixed on the side of the support plate and are positioned opposite each other. A drive motor is installed at the top. The other end of the base plate is fixedly connected to the support plate by a round rod. The output end of the drive motor is connected to a turntable. Several racks that mesh with the gear are fixed on the side of the turntable.
[0008] Optionally, a top plate is fixed to the center of the top of the support plate via a support column, and several evenly distributed cylinders are installed on the edge of the top plate, with their piston rods passing through the top plate and connected to the upper mold.
[0009] Optionally, the number of upper molds and mold slots are the same and their positions correspond one-to-one.
[0010] Optionally, the sidewall of the through hole is provided with an annular groove, and a slip ring located in and slidably connected to the slide rod is fixed to the side of the slide rod.
[0011] Optionally, a pressure block is fixed to the bottom surface of the other end of the positioning rod.
[0012] Optionally, a number of evenly distributed support rods are fixed to the bottom edge of the support plate.
[0013] In the positioning mechanism for stamping plastic caps provided by this utility model, the top edge of the support plate has several evenly distributed mold grooves, the bottom center is fixed to the base plate by a cylinder, and the bottom edge is also provided with several discs. Two first slots are opened in the mold grooves and two support blocks are fixed thereon. Side rods are fixed to both sides of each support block, and a positioning rod is provided at the top. A sliding groove is opened on the side of the positioning rod, and a first connecting block is fixed to one end of it. A rotating rod is slidably connected in the sliding groove. The two ends of the rotating rod are respectively fixed to the inner sides of the two side rods. A drive rod is movably connected to the first connecting block through a first rotating shaft. Two support rods are fixed to the top of each of the discs, and a screw is fixed to the bottom center of each. The number of support rods is the same as the number of first slots and they correspond one-to-one. The top of each support rod is located in the first slot and is fixed with a second connecting block. The connecting block is movably connected to the other end of the drive rod via a second rotating shaft; several evenly distributed connecting plates are fixed on the side of the chassis, and the bottom surface of the other end of the connecting plate has a through hole and a gear. A sliding rod is fixed to the top of the gear, and the top of the sliding rod passes through the through hole and has a threaded groove. The number of screws is the same as the number of sliding rods and they correspond one-to-one. The bottom end of the screw is located in the threaded groove and is threadedly connected to it. The bottom end of the support plate is also provided with a bearing plate. Two opposing base plates are fixed on the side of the bearing plate, and a drive motor is installed at the top. The other end of the base plate is fixedly connected to the support plate via a round rod. The output end of the drive motor is connected to a turntable, and several racks that mesh with the gear are fixed on the side of the turntable. Using this positioning mechanism, multiple plastic caps can be positioned simultaneously with good fixing effect, which is beneficial to improving the product qualification rate. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the positioning mechanism for stamping plastic caps provided by this utility model;
[0015] Figure 2 This is a top view of the positioning mechanism for stamping plastic caps provided by this utility model;
[0016] Figure 3 yes Figure 2 Sectional view of AA;
[0017] Figure 4 yes Figure 3 A magnified view of B in the middle. Detailed Implementation
[0018] 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.
[0019] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.
[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0021] This utility model provides a positioning mechanism for stamping plastic caps, the structure of which is as follows: Figures 1-4As shown, the device includes a support plate 1. The top edge of the support plate 1 has several evenly distributed mold grooves 2. The bottom center is fixed to a base plate 13 via a cylinder 12, and its bottom edge also has several discs 17. Two first slots 3 are opened in the mold grooves 2, and two support blocks 4 are fixed therein. Side rods 5 are fixed to both sides of each support block 4, and a positioning rod 7 is provided at the top. A sliding groove 8 is opened on the side of the positioning rod 7, and a first connecting block 9 is fixed to one end of it. A rotating rod 6 is slidably connected in the sliding groove 8, and both ends of the rotating rod 6 are respectively fixed... Inside the two side rods 5, a first connecting block 9 is movably connected to a drive rod 11 via a first rotating shaft 10. Two support rods 21 are fixed to the top of each of several discs 17, and screws 20 are fixed to the center of each disc's bottom. The number of support rods 21 corresponds to the number of first slots 3, and their tops are located in the first slots 3 and fixed with second connecting blocks 22. The second connecting blocks 22 are movably connected to the other end of the drive rods 11 via a second rotating shaft 23. Several evenly distributed connecting plates 14 are fixed to the side of the chassis 13. The other end of the connecting plate 14 has a through hole 15 and a gear 16. A slide rod 18 is fixed to the top of the gear 16. The top of the slide rod 18 passes through the through hole 15 and has a threaded groove 19. The number of screws 20 is the same as that of the slide rods 18 and they correspond one-to-one. Their bottom ends are located in the threaded grooves 19 and are threadedly connected to them. The bottom end of the support plate 1 is also provided with a bearing plate 24. Two opposing base plates 26 are fixed to the side of the bearing plate 24. A drive motor 25 is installed at the top. The other end of the base plate 26 is connected to the support plate 1 by a round rod 2. 7. A fixed connection is made. The output end of the drive motor 25 is connected to a turntable 28. Several racks 29 that mesh with gears 16 are fixed on the side of the turntable 28. The output end of the drive motor 25 drives the turntable 28 to rotate, causing the racks 29 to mesh with the gears 16. At this time, several sliding rods 18 rotate and drive the screw 20 to move upward. Finally, several discs 17 drive one end of the drive rod 11 to move upward, causing the other end of the drive rod 11 to drive the positioning rod 7 to rotate and fix the plastic cover. Using a positioning mechanism for plastic cover stamping can simultaneously position multiple plastic covers with good fixing effect, which is beneficial to improving the product qualification rate.
[0022] Furthermore, a top plate 31 is fixed to the top center of the support plate 1 via a support column 30. Several evenly distributed cylinders 32 are installed on the edge of the top plate 31, and their piston rods pass through the top plate 31 and are connected to the upper die 33. The upper die 33 is moved downward by the piston rods of the cylinders 32 to perform the stamping work.
[0023] Furthermore, the upper mold 33 and the mold slot 2 are the same in number and their positions correspond one-to-one.
[0024] Furthermore, an annular groove 34 is formed on the side wall of the through hole 15, and a sliding ring 35 is fixed on the side of the slide rod 18, which is located in the annular groove 34 and slidably connected thereto, for supporting the rotation of the slide rod 18.
[0025] Furthermore, a pressure block 37 is fixed to the bottom surface of the other end of the positioning rod 7 for further positioning.
[0026] Furthermore, several evenly distributed support rods 36 are fixed to the bottom edge of the support plate 1.
[0027] The working principle of this utility model is as follows: First, the drive motor 25 is started, and its output end drives the turntable 28 to rotate, so that several racks 29 mesh with several gears 16 for transmission. At this time, several slide rods 18 rotate and drive the screw 20 to move upward. Finally, several discs 17 drive one end of the drive rod 11 to move upward, so that the other end of the drive rod 11 drives the positioning rod 7 to rotate and fix the plastic cover.
[0028] The above description is only a description of the preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model in any way. Any changes or modifications made by those skilled in the art based on the above disclosure shall fall within the protection scope of the claims.
Claims
1. A positioning mechanism for the punching of plastic caps, comprising a support disc (1), characterised in that, The support disc (1) top end edge is provided with a plurality of evenly distributed mold grooves (2), the bottom end center is fixed with a bottom disc (13) through a cylinder (12), and the bottom end edge is also provided with a plurality of discs (17), the mold groove (2) is provided with two first notches (3) and is fixed with two support blocks (4), the support block (4) is fixed with a side rod (5) on both sides, the top end is provided with a positioning rod (7), the positioning rod (7) is provided with a sliding groove (8) on the side surface and is fixed with a first connecting block (9) at one end, the sliding groove (8) is slidably connected with a rotating rod (6), the rotating rod (6) is fixed to the inner side of the two side rods (5) at both ends, and the first connecting block (9) is movably connected with a driving rod (11) through a first rotating shaft (10); the top end of the plurality of discs (17) is fixed with two support rods (21), the bottom end center is fixed with a screw rod (20), the number of the support rod (21) is the same as that of the first notch (3) and corresponds one by one, the top end is located in the first notch (3) and is fixed with a second connecting block (22), and the second connecting block (22) is movably connected with the other end of the driving rod (11) through a second rotating shaft (23); The bottom disc (13) is fixed with a plurality of evenly distributed connecting plates (14) on the side surface, the other end of the connecting plate (14) is provided with a through hole (15) on the bottom surface and is provided with a gear (16), the gear (16) is fixed with a sliding rod (18) at the top end, the sliding rod (18) passes through the through hole (15) and is provided with a threaded groove (19) at the top end, the number of the screw rod (20) is the same as that of the sliding rod (18) and corresponds one by one, and the bottom end is located in the threaded groove (19) and is threadedly connected therewith; The bottom end of the support disc (1) is also provided with a bearing plate (24), the bearing plate (24) is fixed with two opposite bottom plates (26) on the side surface, and a driving motor (25) is installed at the top end, the other end of the bottom plate (26) is fixedly connected with the support disc (1) through a round rod (27), and the output end of the driving motor (25) is connected with a rotating disc (28), the side surface of the rotating disc (28) is fixed with a plurality of racks (29) engaged with the gears (16).
2. The positioning mechanism for punching a plastic cap according to claim 1, wherein The top end center of the support disc (1) is also fixed with a top disc (31) through a support column (30), and a plurality of evenly distributed air cylinders (32) are installed on the edge of the top disc (31), the piston rods of which pass through the top disc (31) and are connected with upper molds (33).
3. The positioning mechanism for punching a plastic cap according to claim 2, wherein The number of the upper mold (33) is the same as that of the mold groove (2) and corresponds one by one.
4. The positioning mechanism for punching a plastic cap according to claim 1, wherein The side wall of the through hole (15) is provided with an annular sliding groove (34), and the side surface of the sliding rod (18) is fixed with a sliding ring (35) located in the annular sliding groove (34) and slidably connected therewith.
5. The positioning mechanism for punching a plastic cap according to claim 1, wherein The other end of the positioning rod (7) is fixed with a pressing block (37) on the bottom surface.
6. The positioning mechanism for punching a plastic cap according to claim 1, wherein The bottom end edge of the support disc (1) is fixed with a plurality of evenly distributed support rods (36).