Automatic discharging device of PET bottle preform mold

Abstract

The utility model discloses a kind of automatic discharging devices of PET bottle embryo mould, including discharging platform, the top end of the discharging platform is fixedly connected with two support plates in symmetrical mode, one end of two The support plate is fixedly connected with mounting platform, the top of the mounting platform is provided with stripping assembly, the side of the discharging platform away from mounting platform is provided with base, the top surface of the base is fixedly connected with support frame, slidingly connected with moving block in the support frame, the top surface of the moving block is fixedly connected with moving plate by telescopic sleeve, the top surface of the moving plate is fixedly connected with multiple bottle embryo frame, the top surface of the base is slidingly connected with first bolt, the first bolt is screw-connected with moving plate, the top surface of the base is fixedly connected with two slide rods in symmetrical mode away from one end of first bolt, channel is opened in the moving plate, the slide rod and channel inner side wall are attached.

Description

Technical Field

[0001] This utility model relates to the field of preform production technology, specifically to an automatic feeding device for PET preform molds. Background Technology

[0002] In existing preform conveying and handling systems, preforms (i.e., pre-formed plastic bottles) are typically placed on preform racks for subsequent molding processes. In traditional operations, these preform racks often require manual adjustment to ensure that each preform is accurately aligned with the molding die or other processing equipment.

[0003] However, the existing automatic feeding devices for PET preform molds still have some drawbacks in actual use: this manual operation method is not only time-consuming and labor-intensive, but also prone to operator fatigue when manually sorting the preform racks one by one during long-term continuous operation, affecting work efficiency and accuracy. In addition, with the development trend of industrial automation and intelligence, the labor-intensive operation mode has gradually become unsuitable for the needs of modern high-efficiency production, and the continuous rise in labor costs has also put great pressure on enterprise operations.

[0004] To address this issue, we designed an automatic feeding device for PET preform molds. Utility Model Content

[0005] The purpose of this utility model is to address the aforementioned problems by providing an automatic feeding device for PET preform molds. This device controls the rotation of the second and first bolts via a drive motor, enabling rapid and precise movement of the moving block, moving plate, and preform rack. It eliminates the need for manual handling, reducing labor costs and improving work efficiency.

[0006] The technical solution of this utility model is as follows: This utility model discloses an automatic discharge device for a PET preform mold, comprising a discharge platform, two support plates symmetrically fixedly connected to the top of the discharge platform, a mounting platform fixedly connected to one end of the two support plates, a demolding component at the top of the mounting platform, a base on the side of the discharge platform away from the mounting platform, a support frame fixedly connected to the top surface of the base, a movable block slidably connected inside the support frame, a movable plate fixedly connected to the top surface of the movable block via a telescopic sleeve, multiple preform holders fixedly connected to the top surface of the movable plate, a first bolt slidably connected to the top surface of the base, the first bolt being threadedly connected to the movable plate, two sliding rods symmetrically fixedly connected to the end of the top surface of the base away from the first bolt, a through groove on the movable plate, and the sliding rods fitting against the inner sidewall of the through groove.

[0007] The basic architecture of the automatic discharging device is constructed. The main frame is formed by the discharging platform, support plate, and mounting platform. The base and support frame support the moving components. The preform rack on the moving plate carries the preforms. The cooperation between the first bolt and the sliding rod-through groove achieves the initial positioning of the moving plate, which constitutes the core mechanical structure of the automatic discharging device.

[0008] Furthermore, a second bolt is rotatably connected to the inner side of the support frame, and the second bolt is threadedly connected to the moving block. A limit rod is fixedly connected to the inner side of the support frame, and the limit rod passes through the moving block and is slidably connected to it. Through the threaded connection between the second bolt and the moving block and the sliding of the limit rod, precise linear movement control of the moving block is achieved. The limit rod prevents the moving block from deviating, ensures that the moving block slides stably within the support frame, and provides precise guidance for the horizontal displacement of the moving plate.

[0009] Furthermore, a sliding groove is provided on the top surface of the base, and a slider is slidably connected in the sliding groove. The slider is in contact with the inner side wall of the sliding groove. The first bolt is rotatably installed on the top surface of the slider. The sliding connection between the sliding groove and the slider allows the first bolt to move along the top surface of the base, adjusting the position of the first bolt to adapt to different sizes of moving plates. At the same time, the tight fit between the slider and the sliding groove ensures the stability of the first bolt when it moves, avoiding shaking at the threaded connection.

[0010] Furthermore, a drive motor is fixedly connected to one side wall of the support frame. The output end of the drive motor passes through the support frame laterally via a coupling and is fixedly connected to the second bolt. The drive motor directly drives the second bolt to rotate via the coupling, converting electrical energy into mechanical energy, thereby realizing the automatic displacement of the moving block and the moving plate, replacing manual operation, improving material discharge efficiency and reducing labor intensity.

[0011] Furthermore, multiple preform racks are sequentially and linearly arranged and fixedly installed on the top surface of the movable plate. The preform racks are hollow cylindrical structures with smooth inner walls. The linear arrangement of the preform racks ensures that multiple preforms can be arranged continuously and orderly. The hollow cylindrical structure reduces the contact area between the preforms and the racks, and the smooth inner walls reduce frictional resistance, ensuring that the preforms slide smoothly during the discharge process and avoiding jamming.

[0012] Furthermore, trapezoidal plates are symmetrically fixed to the inner walls on both sides of the support plate. The trapezoidal plates are made of stainless steel and have a wear-resistant coating on their surface. The stainless steel trapezoidal plates provide structural strength and corrosion resistance. The wear-resistant coating (such as polytetrafluoroethylene) reduces frictional loss during preform movement and extends the service life of the trapezoidal plates. At the same time, the trapezoidal slope acts as a guide, guiding the preforms to accurately enter the preform holder.

[0013] Furthermore, the bottom surface of the movable block is provided with a pulley system, which consists of three pulleys arranged at equal intervals. The pulleys are made of polytetrafluoroethylene (PTFE). The pulley system distributes the weight of the movable block through the three equally spaced pulleys, reducing the frictional resistance between the movable block and the support frame. PTFE has self-lubricating properties, reducing pulley wear and ensuring smooth sliding of the movable block with low noise.

[0014] Furthermore, the top surface of the discharge platform is provided with multiple anti-slip protrusions, which are semi-circular in structure. The anti-slip protrusions and the discharge platform are integrally formed. The semi-circular anti-slip protrusions on the top surface of the discharge platform increase the friction between the preform and the platform surface, preventing the preform from sliding or shifting during movement, ensuring the stability of the discharge process. At the same time, the integrally formed structure improves the structural strength.

[0015] Furthermore, a reinforcing rib is provided between the bottom surface of the mounting platform and the discharge platform. The reinforcing rib has a triangular structure and is welded and fixed to the mounting platform and the discharge platform. The triangular reinforcing rib enhances the connection strength between the mounting platform and the discharge platform through geometric stability. The welding and fixing method ensures that the reinforcing rib is firmly connected to the main structure and prevents the mounting platform from deforming or falling off due to force (such as vibration of the demolding component).

[0016] Furthermore, an anti-slip pad is fixedly connected to the bottom surface of the base. The anti-slip pad is made of rubber material and has anti-slip texture on its bottom surface. The rubber anti-slip pad provides a cushioning and shock absorption function to reduce the transmission of vibration during device operation. The anti-slip texture increases the friction between the base and the ground, preventing the device from sliding and ensuring the stability and safety of the overall structure during operation.

[0017] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are: 1. This utility model controls the rotation of the second bolt and the first bolt by driving a motor, which realizes the rapid and precise movement of the moving block, the moving plate and the preform rack. It eliminates the need for manual handling, reduces labor costs and improves work efficiency.

[0018] 2. The automated material discharge of this utility model reduces the opportunity for manual personnel to directly contact high-temperature or rapidly moving preforms, thereby reducing the risk of workplace injuries and providing a safer working environment for operators. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the external three-dimensional structure of the present invention; Figure 2 This is a schematic diagram of the external three-dimensional structure of the present invention; Figure 3 This is a schematic diagram of the external three-dimensional structure of the present invention; Figure 4This is a schematic diagram of the external three-dimensional structure of the present invention.

[0020] Reference numerals in the attached drawings: 1-Discharge platform; 2-Support plate; 3-Mounting platform; 4-Base; 5-Support frame; 6-Moving block; 7-Moving plate; 8-Preform rack; 9-First bolt; 10-Slide rod; 11-Through groove; 12-Second bolt; 13-Limit rod; 14-Slide groove; 15-Slider; 16-Drive motor; 17-Trapezoidal plate; 18-Pulley block. Detailed Implementation

[0021] It should be noted that relational terms such as "first" and "second" are used merely 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.

[0022] The features and performance of this utility model will be further described in detail below with reference to the embodiments.

[0023] Please see Figure 1 and Figure 4 This utility model provides a technical solution: an automatic discharge device for a PET preform mold, including a discharge platform 1. Two support plates 2 are symmetrically fixedly connected to the top of the discharge platform 1. One end of the two support plates 2 is fixedly connected to a mounting platform 3. A demolding component is provided at the top of the mounting platform 3. A base 4 is provided on the side of the discharge platform 1 away from the mounting platform 3. A support frame 5 is fixedly connected to the top surface of the base 4. A moving block 6 is slidably connected inside the support frame 5. A moving plate 7 is fixedly connected to the top surface of the moving block 6 through a telescopic sleeve. Multiple preform holders 8 are fixedly connected to the top surface of the moving plate 7. A first bolt 9 is slidably connected to the top surface of the base 4. The first bolt 9 is threadedly connected to the moving plate 7.

[0024] The inner side of the support frame 5 is rotatably connected to a second bolt 12, which is threadedly connected to the moving block 6. The inner side of the support frame 5 is fixedly connected to a limit rod 13, which passes through the moving block 6 and is slidably connected to the moving block 6. The top surface of the base 4 is provided with a slide groove 14, and a slider 15 is slidably connected in the slide groove 14. The slider 15 is in contact with the inner side wall of the slide groove 14. The first bolt 9 is rotatably installed on the top surface of the slider 15. A drive motor 16 is fixedly connected to one side wall of the support frame 5. The output end of the drive motor 16 passes through the support frame 5 laterally through a coupling and is fixedly connected to the second bolt 12. Multiple preform holders 8 are linearly arranged and fixedly installed on the top surface of the moving plate 7.

[0025] In practical implementation, when using this device, the preforms are first transferred to the discharge platform 1 by the conveying equipment on the production line. After one preform is loaded, the drive motor 16 is started to drive the second bolt 12 to rotate, which in turn drives the moving block 6 and the moving plate 7 to move horizontally, or the first bolt 9 is rotated to drive the moving plate 7 to move up and down, so that the other preform rack 8 of the moving plate 7 is aligned with the discharge point, which facilitates the installation of the next preform. Compared with the existing preform discharge, it does not require manual sorting, which reduces labor costs and improves work efficiency.

[0026] See Figure 2 and Figure 3 Two sliding rods 10 are symmetrically fixedly connected to the top surface of the base 4 away from the first bolt 9. A through groove 11 is provided on the moving plate 7. The sliding rods 10 fit against the inner wall of the through groove 11. The setting of the sliding rods 10 makes the overall device more evenly stressed during operation and more stable in actual operation.

[0027] See Figure 1 Trapezoidal plates 17 are symmetrically fixed on the inner walls of both sides of the support plate 2. Since the trapezoidal plates 17 are fixed on the inner walls of both sides of the support plate 2, when the preform moves forward, the trapezoidal plates 17 on both sides will guide the preform, so that the preform can be directly inserted into the preform holder 8. The guiding design of the trapezoidal plates 17 ensures that the preform can be inserted into the preform holder 8, avoiding misalignment or damage problems that may be caused by manual operation.

[0028] See Figure 4 The bottom surface of the movable block 6 is equipped with a pulley system 18 to reduce the friction when the movable block 6 moves, and to avoid serious wear after long-term operation, which would affect the stability and service life of the device.

[0029] Working principle: When using this device, the preforms are first transferred to the discharge platform 1 via the conveying equipment on the production line. Since trapezoidal plates 17 are fixed on the inner walls of both sides of the support plate 2, when the preforms move forward, the trapezoidal plates 17 on both sides will guide the preforms, allowing them to be directly inserted into the preform rack 8. After one preform is loaded, the drive motor 16 is started to drive the second bolt 12 to rotate, which in turn drives the moving block 6 and the moving plate 7 to move horizontally, or causes the first bolt 9 to rotate, driving the moving plate 7 to move up and down, so that the other preform rack 8 of the moving plate 7 is aligned with the discharge point, which facilitates the installation of the next preform. Compared with the existing preform discharge, it is not necessary to manually sort them one by one, which reduces labor costs and improves work efficiency.

[0030] The embodiments described above merely illustrate specific implementation methods of this application, and while the descriptions are detailed and specific, they should not be construed as limiting the scope of protection of this application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the technical solution of this application, and these modifications and improvements all fall within the scope of protection of this application.

Claims

1. An automatic feeding device for a PET preform mold, characterized in that: The device includes a discharge platform, with two support plates symmetrically fixedly connected to its top. One end of each support plate is fixedly connected to a mounting platform. A demolding assembly is located on the top of the mounting platform. A base is located on the side of the discharge platform away from the mounting platform. A support frame is fixedly connected to the top surface of the base. A movable block is slidably connected inside the support frame. A movable plate is fixedly connected to the top surface of the movable block via a telescopic sleeve. Multiple preform holders are fixedly connected to the top surface of the movable plate. A first bolt is slidably connected to the top surface of the base. The first bolt is threadedly connected to the movable plate. Two sliding rods are symmetrically fixedly connected to the top surface of the base away from the first bolt. A through groove is formed on the movable plate, and the sliding rods fit against the inner sidewall of the through groove.

2. The automatic feeding device for PET preform molds according to claim 1, characterized in that: The inner side of the support frame is rotatably connected to a second bolt, which is threadedly connected to the movable block. A limit rod is fixedly connected to the inner side of the support frame, and the limit rod passes through the movable block and is slidably connected to the movable block.

3. The automatic feeding device for PET preform molds according to claim 2, characterized in that: The top surface of the base is provided with a sliding groove, and a slider is slidably connected in the sliding groove. The slider is in contact with the inner side wall of the sliding groove, and the first bolt is rotatably installed on the top surface of the slider.

4. The automatic feeding device for PET preform molds according to claim 3, characterized in that: A drive motor is fixedly connected to one side wall of the support frame, and the output end of the drive motor passes through the support frame laterally via a coupling and is fixedly connected to the second bolt.

5. The automatic feeding device for PET preform mold according to claim 4, characterized in that: Multiple preform holders are linearly arranged and fixedly installed on the top surface of the movable plate. Each preform holder is a hollow cylindrical structure with a smooth inner wall.

6. The automatic feeding device for PET preform molds according to claim 5, characterized in that: Trapezoidal plates are symmetrically fixed to the inner walls on both sides of the support plate. The trapezoidal plates are made of stainless steel and have a wear-resistant coating on their surface.

7. The automatic feeding device for PET preform mold according to claim 6, characterized in that: The bottom surface of the movable block is provided with a pulley system, which consists of three pulleys arranged at equal intervals, and the pulleys are made of polytetrafluoroethylene.

8. The automatic feeding device for PET preform mold according to claim 7, characterized in that: The top surface of the discharge platform is provided with multiple anti-slip protrusions, which are semi-circular in structure and are integrally formed with the discharge platform.

9. The automatic feeding device for PET preform mold according to claim 8, characterized in that: A reinforcing rib is provided between the bottom surface of the mounting platform and the discharge platform. The reinforcing rib has a triangular structure and is welded and fixed to the mounting platform and the discharge platform.

10. The automatic feeding device for PET preform mold according to claim 9, characterized in that: The base has an anti-slip pad fixedly connected to its bottom surface. The anti-slip pad is made of rubber material and has anti-slip texture on its bottom surface.

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