A mold gate for making polyester bottle blanks
By designing a mold gate structure including gate and runner pipe, the problem of gate design in the prior art limiting product shape and increasing production cost is solved, and the flexibility of replacing gate and splicing runner pipes is realized, and practicality is improved.
Patent Information
- Application Number
- CN202421382839.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-17
AI Technical Summary
In the prior art, the position and size of the gate are limited by the mold design, resulting in limited product shape, size and complexity, increasing the production cost of gate.
A mold gate structure including gates, fixed grooves, main runners, connecting seats, connecting grooves, connecting holes, connecting blocks, runner pipes and connecting flanges is designed. The selection and splicing of different structures are achieved through replaceable gates and movable connected runner pipes.
Through the mold gate structure, you only need to replace the gate itself and splice the original runner pipe to use it, which solves the problem of increasing the cost of gate production and improves the overall practicality.
Smart Images
Figure CN222712723U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of polyester bottle preforms, in particular to a mold gate for making polyester bottle preforms. Background Art
[0002] Polyester preforms are semi-finished products made from polyester raw materials (such as PET, polyethylene terephthalate) through injection molding at specific temperature and pressure. In this process, the raw materials are filled into the gun mold of the mold and formed into preforms under the working conditions of the injection molding machine. The preform is the intermediate for making polyester bottles, and then it will be blow molded to become the end product, that is, the polyester bottle we often see.
[0003] In the prior art, the location and size of the gate are limited by the mold design, which may limit the shape, size and complexity of the product. For example, for some products with complex internal structures, special gate designs may be required to achieve filling, so different gates need to be made for use, which increases the cost of gate production.
[0004] Therefore, it is particularly important to design a mold gate for making polyester bottle blanks to improve overall practicality. Utility Model Content
[0005] The utility model aims to provide a mold gate for making polyester bottle blanks to solve the problems raised in the above-mentioned background technology.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A mold gate for making polyester bottle blanks comprises a gate, wherein the left and right ends of the bottom of the gate are provided with fixing grooves, the middle of the gate is provided with a main channel, the top of the gate is provided with a connecting seat, the outer side of the connecting seat is provided with a connecting groove, the bottom of the connecting groove is provided with a connecting hole, the top of the connecting groove is connected to a connecting block, the outer side of the connecting block is connected to a runner tube, the inner side of the bottom of the runner tube is provided with a connecting port, and the outer side of the bottom of the runner tube is provided with a connecting flange.
[0008] As a preferred solution of the utility model, a threaded structure is provided on the outer side of the connecting block, a threaded structure is provided on the inner side of the connecting port, and the outer side of the connecting block is rotatably connected to the inner side of the connecting port, and the structures of the connecting block and the connecting port correspond to each other.
[0009] As a preferred solution of the utility model, a thread groove corresponding to the connecting hole structure is opened inside the connecting flange, and the connecting hole and the hole inside the connecting flange are arranged in a one-to-one correspondence.
[0010] As a preferred solution of the utility model, the flow channel inside the flow channel tube and the main flow channel are connected and connected.
[0011] As a preferred solution of the utility model, the inside of the connecting hole and the fixing groove are both rotatably connected with bolts, and the bolts connected inside the connecting hole and the fixing groove are of different types.
[0012] As a preferred solution of the utility model, the gate is provided with a plurality of different models, and the internal shapes thereof include semicircular, circular and trapezoidal structures of different specifications, and the gates of the mold gates are all movably connected to the runner tubes.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] In the utility model, by setting up a mold gate for making polyester bottle blanks, using the gate and runner tube structures in the device, the gate can be selected according to the required structure, and the gate and the original runner tube can be connected, so that only the gate itself needs to be replaced and the original runner tube can be spliced for use, which solves the problem of increasing the production cost of the gate. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the front three-dimensional structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the front plane perspective disassembled state of the utility model;
[0017] Figure 3 It is a front plan perspective structural schematic diagram of the utility model.
[0018] In the figure: 1. gate; 2. fixing groove; 3. main channel; 4. connecting seat; 5. connecting groove; 6. connecting hole; 7. connecting block; 8. runner tube; 9. connecting port; 10. connecting flange. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings below. Several embodiments of the utility model are given. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0021] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0023] For examples, see Figure 1-3 , the utility model provides a technical solution:
[0024] A mold gate for making a polyester preform comprises a gate 1, a fixing groove 2 is provided at the left and right ends of the bottom of the gate 1, a main flow channel 3 is provided in the middle of the gate 1, a connecting seat 4 is installed at the top of the gate 1, a connecting groove 5 is provided on the outer side of the connecting seat 4, a connecting hole 6 is provided at the bottom of the connecting groove 5, a connecting block 7 is connected to the top of the connecting groove 5, a flow channel tube 8 is connected to the outer side of the connecting block 7, a connecting port 9 is provided on the inner side of the bottom of the flow channel tube 8, and a connecting flange 10 is installed on the outer side of the bottom of the flow channel tube 8;
[0025] Specifically, the outer side of the connection block 7 is provided with a threaded structure, the inner side of the connection port 9 is provided with a threaded structure, and the outer side of the connection block 7 is rotatably connected to the inner side of the connection port 9, and the structures of the connection block 7 and the connection port 9 correspond to each other;
[0026] In this embodiment, the connection block 7 is connected by rotation and the connection port 9, which increases the simplicity of the connection and disassembly process.
[0027] Specifically, a threaded groove corresponding to the structure of the connecting hole 6 is opened inside the connecting flange 10, and the connecting hole 6 and the hole inside the connecting flange 10 are arranged one by one, and the insides of the connecting hole 6 and the fixing groove 2 are both rotatably connected with bolts, and the bolts connected inside the connecting hole 6 and the fixing groove 2 are of different types;
[0028] In this embodiment, the connecting flange 10 is connected to the top of the connecting hole 6. In the connected state, the connecting hole 6 and the hole inside the connecting flange 10 overlap, so that it is convenient to use bolts for fixed connection.
[0029] Specifically, the flow channel inside the flow channel tube 8 is connected and connected with the main flow channel 3;
[0030] In this embodiment, the smoothness of injection molding is ensured.
[0031] Specifically, the gate 1 is provided with a plurality of different models, and the internal shape thereof has semicircular, circular and trapezoidal structures of different specifications, and the gate 1 of the mold gate is movably connected with the runner tube 8;
[0032] In this embodiment, the gate 1 is provided with a plurality of groups of different structures according to requirements, so as to facilitate the selection and use of different gates 1 during injection molding.
[0033] The working process of the utility model is as follows: firstly, the mold gate for making polyester bottle blanks is placed on a plane, and then the model of the gate 1 is selected, and the connecting block 7 on the top of the gate 1 is aligned with the inner side of the connecting port 9 and the runner tube 8 is rotated to connect the connecting block 7 and the connecting port 9. At the same time, after the connecting hole 6 and the connecting flange 10 are aligned, the bolt is inserted into the connecting hole 6 and rotated to fix it, and finally the connected gate 1 is aligned and fixed by the fixing groove 2 for use.
[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A mold gate for making a polyester preform, comprising a gate (1), characterized in that: The left and right ends of the bottom of the gate (1) are provided with fixing grooves (2), the middle of the gate (1) is provided with a main channel (3), the top of the gate (1) is provided with a connecting seat (4), the outer side of the connecting seat (4) is provided with a connecting groove (5), the bottom of the connecting groove (5) is provided with a connecting hole (6), the top of the connecting groove (5) is connected with a connecting block (7), the outer side of the connecting block (7) is connected with a runner tube (8), the inner side of the bottom of the runner tube (8) is provided with a connecting port (9), and the outer side of the bottom of the runner tube (8) is provided with a connecting flange (10).
2. The mold gate for making a polyester preform according to claim 1, characterized in that: The outer side of the connection block (7) is provided with a threaded structure, the inner side of the connection port (9) is provided with a threaded structure, and the outer side of the connection block (7) is rotatably connected to the inner side of the connection port (9), and the structures of the connection block (7) and the connection port (9) correspond to each other.
3. The mold gate for making a polyester preform according to claim 1, characterized in that: The connection flange (10) is provided with a thread groove corresponding to the structure of the connection hole (6), and the connection hole (6) and the hole inside the connection flange (10) are arranged in a one-to-one correspondence.
4. The mold gate for making a polyester preform according to claim 1, characterized in that: The flow channel inside the flow channel tube (8) is connected and interlinked with the main flow channel (3).
5. The mold gate for making a polyester preform according to claim 1, characterized in that: The connection hole (6) and the fixing groove (2) are both rotatably connected with bolts, and the bolts connected to the connection hole (6) and the fixing groove (2) are of different models.
6. The mold gate for making a polyester preform according to claim 1, characterized in that: The gate (1) is provided with a plurality of groups of different models, and the internal shapes thereof include semicircular, circular and trapezoidal structures of different specifications. The gates (1) of the mold gate are all movably connected to the runner tube (8).