Rubber ball injection molding device
By designing a rubber ball injection device that synchronizes mold closing and injection tube movement, the problem that mold closing and insertion cannot be performed simultaneously in traditional devices is solved, thus improving work efficiency.
Patent Information
- Application Number
- CN202423150296.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-20
AI Technical Summary
In the traditional rubber ball injection molding process, mold closing and insertion of the injection tube cannot be carried out simultaneously, resulting in low work efficiency.
A rubber ball injection device was designed. The synchronous movement of the mold closing and the injection tube is achieved by a lifting component driven by a servo motor. The synchronous exit of the mold opening and the injection tube is achieved by the reverse rotation of the servo motor and the screw. The motion coordination is ensured by the use of a limit plate and a moving sleeve structure.
It enables simultaneous operation of mold closing and injection tube insertion, mold opening and injection tube retraction, thus improving injection efficiency.
Smart Images
Figure CN223558998U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rubber ball technical field, concretely is a rubber ball injection pressure device. BACKGROUND
[0002] With the wide application of rubber products in various fields, the demand for rubber balls, as an important product, is increasing. Rubber balls have excellent elasticity, wear resistance and corrosion resistance and are widely used in sports equipment, medical devices, toys and other industries. In the production process of rubber balls, injection molding technology has become the mainstream production method due to its high efficiency and accuracy.
[0003] During injection molding of rubber balls, the mold is usually closed first, and then the injection tube is inserted into the mold for injection work. The mold cannot be closed and inserted at the same time, which reduces the work efficiency in the flow operation. Therefore, it is necessary to develop a rubber ball injection pressure device that can simultaneously close and insert, thereby improving the injection efficiency. SUMMARY
[0004] To overcome the shortcomings of the prior art, the utility model provides a rubber ball injection pressure device, which solves the problem of the traditional rubber ball injection molding, which cannot simultaneously close and insert, thereby reducing the work efficiency.
[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a rubber ball injection pressure device, comprising a concave base, a connecting plate is arranged at the back lower edge of the concave base, a hopper is arranged at the other end of the connecting plate, a lifting assembly is arranged on the side of the hopper away from the connecting plate, and an injection pressure assembly is arranged at the lower end of the lifting assembly.
[0006] The injection pressure assembly comprises a fixed seat connected to the lower end of the lifting assembly, an injection head is arranged through the upper part of one end of the fixed seat, limiting plates are arranged at both ends of the fixed seat, moving sleeves are connected to one end of both limiting plates away from the fixed seat, both moving sleeves are longitudinally slidably arranged on both sides of the concave base, moving shafts are transversely slidably arranged through the upper sides of both sides of the concave base, a mold is arranged between the opposite ends of the two moving shafts, springs are arranged around the opposite ends of the two moving shafts, both ends of the springs are connected to the inner sides of the concave base and one side of the mold, respectively, and a connecting rod is hingedly connected to the upper edge of one side of the moving sleeve, the other end of the connecting rod is hingedly connected to one end of the moving shaft away from the mold.
[0007] Preferably, the lifting assembly comprises a limiting seat arranged at the upper edge of the side of the hopper away from the connecting plate, a servo motor is arranged on the upper part of the limiting seat, a screw rod is connected to the output shaft of the servo motor at the lower position of the limiting seat, a threaded sleeve is threadedly connected to the outside of the screw rod, and the lower end of the threaded sleeve is connected to the upper part of the fixed seat.
[0008] Preferably, the mold comprises a left mold cavity and a right mold cavity, and an injection hole is arranged between the upper parts of the left mold cavity and the right mold cavity after the mold is closed.
[0009] Preferably, the injection head comprises a limiting tube arranged through the upper part of one end of the fixed seat, and a conveying pipe and an injection pipe are respectively connected to the upper end and the lower end of the limiting tube, the other end of the conveying pipe is arranged in the hopper and connected to the built-in pump, and the injection pipe corresponds to the injection hole on the mold.
[0010] Preferably, after the mold is closed, the lower end of the injection pipe is just inserted into the injection hole on the mold, and after the mold is opened, the lower end of the injection pipe is just separated from the injection hole on the mold.
[0011] Preferably, the inner wall of the hopper is provided with a hollow cavity, and a resistance wire is arranged in the hollow cavity.
[0012] The rubber ball injection device has the following beneficial effects compared with the prior art:
[0013] The rubber ball injection device can synchronize the mold closing and the injection pipe insertion, and synchronize the mold opening and the injection pipe extension, and has no time difference between the two, so that the working efficiency is higher compared with the traditional rubber ball injection device. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic view of the utility model;
[0015] Figure 2 It is a structural schematic view of the injection assembly of the utility model;
[0016] Figure 3 It is a structural schematic view of the mold of the utility model.
[0017] In the figure: 1, concave base; 2, connecting plate; 3, hopper; 4, lifting assembly; 41, limiting seat; 42, servo motor; 43, screw; 44, threaded sleeve; 5, injection assembly; 51, fixed seat; 52, injection head; 521, limiting tube; 522, injection pipe; 523, conveying pipe; 53, limiting plate; 54, moving sleeve; 55, moving shaft; 56, mold; 561, left mold cavity; 562, right mold cavity; 563, injection hole; 57, spring; 58, connecting rod. DETAILED DESCRIPTION
[0018] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0019] Please refer to Figures 1-3 The present application provides a technical scheme:
[0020] Please refer to Figure 1 In the embodiment of the present application, a rubber ball injection pressure device comprises a concave base 1, a connecting plate 2 is arranged at the lower edge of the back side of the concave base 1, a hopper 3 is arranged at the other end of the connecting plate 2, a lifting assembly 4 is arranged at the side of the hopper 3 away from the connecting plate 2, and an injection pressure assembly 5 is arranged at the lower end of the lifting assembly 4.
[0021] Please refer to Figure 2 In the embodiment of the present application, the injection pressure assembly 5 comprises a fixing seat 51 connected to the lower end of the lifting assembly 4, an injection head 52 is arranged at the upper end of one end of the fixing seat 51, limiting plates 53 are arranged at both ends of the fixing seat 51, moving sleeves 54 are connected to the ends of the two limiting plates 53 away from the fixing seat 51, the two moving sleeves 54 are longitudinally slidably arranged on the two sides of the concave base 1, moving shafts 55 are transversely slidably arranged at the upper sides of the two sides of the concave base 1, a mold 56 is arranged between the opposite ends of the two moving shafts 55, springs 57 are arranged outside the opposite ends of the two moving shafts 55, the two ends of the springs 57 are connected to the inner side of the concave base 1 and the side of the mold 56 respectively, a connecting rod 58 is hinged to the upper edge of one side of the moving sleeve 54, and the other end of the connecting rod 58 is hinged to the end of the moving shaft 55 away from the mold 56.
[0022] Please refer to Figure 1 In the embodiment of the present application, the lifting assembly 4 comprises a limiting seat 41 arranged at the upper edge of the side of the hopper 3 away from the connecting plate 2, a servo motor 42 is arranged at the upper part of the limiting seat 41, a screw rod 43 is connected to the output shaft of the servo motor 42 at the position below the limiting seat 41, a threaded sleeve 44 is screwed to the outside of the screw rod 43, and the lower end of the threaded sleeve 44 is connected to the upper part of the fixing seat 51.
[0023] Please refer to Figure 2 In the embodiment of the present application, the injection head 52 comprises a limiting tube 521 arranged at the upper end of one end of the fixing seat 51, a delivery tube 523 and an injection tube 522 are connected to the upper and lower ends of the limiting tube 521 respectively, the other end of the delivery tube 523 is arranged in the hopper 3 and connected to the built-in pump, and the injection tube 522 corresponds to the injection hole 563 on the mold 56.
[0024] In the above scheme: the raw material of the rubber ball is added to the hopper 3, the servo motor 42 drives the screw rod 43 to rotate forward, the screw rod 43 drives the threaded sleeve 44 to move downward, the threaded sleeve 44 drives the fixed seat 51 to move downward, the fixed seat 51 drives the injection pipe 522 to move downward, and the fixed seat 51 moves downward to drive the limiting plate 53 to move downward, the limiting plate 53 drives the moving sleeve 54 to move downward, the moving sleeve 54 drives the connecting rod 58 to drive the moving shaft 55 to move horizontally, and under the elasticity of the spring 57, the moving shaft 55 moves in the direction close to the inner side of the concave base 1, so that the mold 56 is closed, at this time, the injection pipe 522 is inserted into the injection hole 563 on the mold 56, as shown in the figure, then the pump in the hopper 3 draws the raw material into the injection pipe 522, and the raw material is injected into the mold 56 through the injection hole 563, and the injection molding of the rubber ball is completed, after the rubber ball is formed, the servo motor 42 drives the screw rod 43 to rotate reversely, the screw rod 43 drives the threaded sleeve 44 to move upward, the threaded sleeve 44 drives the fixed seat 51 to move upward, so that the injection pipe 522 is separated from the injection hole 563 on the mold 56, and at the same time that the fixed seat 51 moves upward, the fixed seat 51 also drives the limiting plate 53 to move upward, the limiting plate 53 drives the moving sleeve 54 to move upward, and under the elasticity of the spring 57, the moving sleeve 54 drives the connecting rod 58 to drive the moving shaft 55 to move horizontally, so that the two moving shafts 55 drive the left mold cavity 561 and the right mold cavity 562 to move away from each other, and the mold 56 is opened, and after the mold is opened, the formed rubber ball falls down. Figure 2
[0025] Further, refer to Figure 3 In the embodiment of the utility model, the mold 56 includes the left mold cavity 561 and the right mold cavity 562, and the injection hole 563 is arranged between the upper parts of the left mold cavity 561 and the right mold cavity 562 after the left mold cavity 561 and the right mold cavity 562 are closed.
[0026] Further, refer to Figure 2 In the embodiment of the utility model, the lower end of the injection pipe 522 is inserted into the injection hole 563 on the mold 56 after the mold 56 is closed, and the lower end of the injection pipe 522 is separated from the injection hole 563 on the mold 56 after the mold 56 is opened.
[0027] Further, refer to Figure 1 In the embodiment of the utility model, the inner wall of the hopper 3 is provided with a hollow cavity, and the hollow cavity is provided with a resistance wire, the resistance wire heats the raw material of the rubber ball to keep it in a molten state, and facilitates the injection work.
[0028] Working principle: The raw material of rubber balls is added into the hopper 3. The servo motor 42 drives the screw 43 to rotate forward. The screw 43 drives the threaded sleeve 44 to move downward. The threaded sleeve 44 drives the fixed seat 51 to move downward. The fixed seat 51 drives the injection tube 522 to move downward. When the fixed seat 51 moves downward, it drives the limiting plate 53 to move downward. The limiting plate 53 drives the moving sleeve 54 to move downward. The moving sleeve 54 causes the connecting rod 58 to drive the moving shaft 55 to move laterally. Under the elasticity of the spring 57, the moving shaft 55 moves towards the inner side of the concave base 1, allowing the mold 56 to close. At this time, the injection tube 522 is inserted into the injection hole 563 on the mold 56. Figure 2 As shown, the pump in the hopper 3 then draws the raw material into the injection pipe 522, and injects it into the mold 56 through the injection hole 563 to perform the injection molding of the rubber ball.
[0029] After the rubber ball is formed, the servo motor 42 drives the screw 43 to reverse, the screw 43 drives the threaded sleeve 44 to move upward, the threaded sleeve 44 drives the fixed seat 51 to move upward, so that the injection tube 522 leaves the injection hole 563 on the mold 56. At the same time as the fixed seat 51 moves upward, the fixed seat 51 also drives the limiting plate 53 to move upward. The limiting plate 53 drives the moving sleeve 54 to move upward. Under the elasticity of the spring 57, the moving sleeve 54 causes the connecting rod 58 to drive the moving shaft 55 to move laterally, so that the two moving shafts 55 drive the left mold cavity 561 and the right mold cavity 562 to move in opposite directions, so that the mold 56 opens. After the mold opens, the formed rubber ball will fall.
[0030] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.
Claims
1. A rubber ball injection press device comprising a concave base (1), characterized in that: The back lower edge of the concave base (1) is provided with a connecting plate (2), the other end of the connecting plate (2) is provided with a hopper (3), the side away from the connecting plate (2) of the hopper (3) is provided with a lifting assembly (4), and the lower end of the lifting assembly (4) is provided with a pressure injection assembly (5). The pressure injection assembly (5) comprises a fixed seat (51) connected to the lower end of the lifting assembly (4), a pressure injection head (52) penetratingly arranged on the upper end of the fixed seat (51), and a limiting plate (53) arranged on each end of the fixed seat (51), and each end of the two limiting plates (53) is connected with a moving sleeve (54), and the two moving sleeves (54) are longitudinally sleeved on the two sides of the concave base (1), respectively, and a moving shaft (55) is transversely and slidingly arranged on the upper side of each side of the concave base (1), a mold (56) is arranged between the opposite ends of the two moving shafts (55), and a spring (57) is sleeved on the outer side of the opposite end of each moving shaft (55), and the two ends of the spring (57) are connected with the inner side of the concave base (1) and the side of the mold (56), respectively, and a connecting rod (58) is hinged on the upper edge of one side of the moving sleeve (54), and the other end of the connecting rod (58) is hinged on the end of the moving shaft (55) away from the mold (56).
2. The rubber ball injection press device of claim 1, wherein: The lifting assembly (4) comprises a limiting seat (41) arranged on the upper edge of the side of the hopper (3) away from the connecting plate (2), a servo motor (42) mounted on the upper part of the limiting seat (41), a screw rod (43) connected with the output shaft of the servo motor (42) at a position below the limiting seat (41), a threaded sleeve (44) threadedly connected with the outer side of the screw rod (43), and the lower end of the threaded sleeve (44) is connected with the upper part of the fixed seat (51).
3. The rubber ball injection press apparatus of claim 1, wherein: The mold (56) comprises a left mold cavity (561) and a right mold cavity (562), and the upper parts of the left mold cavity (561) and the right mold cavity (562) are provided with a pressure injection hole (563) after being closed.
4. The rubber ball injection press apparatus of claim 3, wherein: The pressure injection head (52) comprises a limiting tube (521) penetratingly arranged on the upper end of the one end of the fixed seat (51), a delivery pipe (523) and a pressure injection pipe (522) connected with the upper and lower ends of the limiting tube (521), respectively, the other end of the delivery pipe (523) is arranged in the hopper (3) and connected with the built-in pump, and the pressure injection pipe (522) corresponds to the pressure injection hole (563) on the mold (56).
5. The rubber ball injection press apparatus of claim 4, wherein: After the mold (56) is closed, the lower end of the pressure injection pipe (522) is just inserted into the pressure injection hole (563) on the mold (56), and after the mold (56) is opened, the lower end of the pressure injection pipe (522) is just separated from the pressure injection hole (563) on the mold (56).
6. The rubber ball injection press apparatus of claim 1, wherein: The inner wall of the hopper (3) is provided with a hollow cavity, and the hollow cavity is provided with a resistance wire.