Quick locking and quick releasing structure of ring die

The hydraulically driven quick-lock and quick-release structure of the ring die enables automated locking and disassembly of the ring die, solving the problems of inconvenience of manual operation and inconsistent locking force in the existing technology, and improving replacement efficiency and equipment life.

CN224550479UActive Publication Date: 2026-07-24ZHANJIANG HENGRUN MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHANJIANG HENGRUN MASCH CO LTD
Filing Date
2025-08-12
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

The existing method of replacing ring molds relies on manual operation, which results in inconvenience, low efficiency, high labor intensity, and inconsistent tightening force, failing to meet a unified fastening standard.

Method used

The ring die adopts a hydraulically driven quick-lock and quick-release structure, which realizes the automatic locking and disassembly of the ring die through the oil cylinder and piston rod. The movement of the locking block is controlled by the hydraulic pump assembly and oil circuit system to ensure the consistency of locking force and automated operation.

Benefits of technology

It improves the efficiency of ring die replacement and the tightness of locking, reduces the labor intensity of workers, extends the service life of equipment, and ensures uniform and consistent locking force.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of ring mould fast lock fast disassembly structure, comprising: locking assembly, comprising: fixedly connected in the mounting seat of the main rotor front end, the oil cylinder is equipped in the mounting seat, the piston post is equipped in the oil cylinder, the piston post is fixedly connected with locking block, the first sealing ring is set on the piston post, and the oil cylinder is divided into first chamber and second chamber, the first chamber is communicated first oil path, the second chamber is communicated second oil path, the first oil path and the second oil path are respectively communicated hydraulic pump assembly, the hydraulic pump assembly is used to respectively oil supply or oil absorption of the first oil path and the second oil path. By hydraulic pump assembly and first oil path, second oil path respectively to the first chamber in oil cylinder is supplied oil, to realize the reciprocating motion of piston post, to realize the locking of locking block to ring mould edge, this mode improves efficiency, and improve the tightness of locking, impact is reduced, and the service life of ring mould is improved.
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Description

Technical Field

[0001] This utility model relates to the field of feed production equipment accessories, and specifically to a ring mold quick-lock and quick-release structure. Background Technology

[0002] Currently, in the feed production industry, due to the diversity of material types, different ring dies are often required to match the material needs. Therefore, when changing material types, ring dies often need to be replaced. There are currently two methods for replacing ring dies on the market: one is to use bolts to lock the ring die, and the other is to use clamps to secure the ring die. Both methods require manual replacement and locking, greatly increasing the inconvenience of ring die replacement. Furthermore, ring die replacement is time-consuming, inefficient, and labor-intensive for workers. The lack of a unified standard for locking force after replacement also makes it difficult to achieve a consistent level of tightness.

[0003] Therefore, it is necessary to propose a novel ring mold quick-lock and quick-release structure to solve the above problems. Utility Model Content

[0004] Purpose of the utility model: In order to overcome the shortcomings of the existing technology, this utility model provides a quick-lock and quick-release structure for ring molds.

[0005] Technical solution: A ring mold quick-lock and quick-release structure, comprising:

[0006] A main rotor for fixing the ring die, the main rotor being driven and connected to a main shaft, the front end of the main rotor having a mounting hole for accommodating the ring die, and a locking assembly for fixing the ring die being provided at the front edge of the mounting hole, including:

[0007] A mounting base is fixedly connected to the front end of the main rotor. A hydraulic cylinder is provided inside the mounting base. A piston rod that can move radially along the ring die is provided inside the hydraulic cylinder. A locking block is fixedly connected to the side of the piston rod facing the ring die. The locking block is used to engage the edge of the ring die. A first sealing ring is fitted on the piston rod, and the first sealing ring divides the hydraulic cylinder into a first chamber and a second chamber. The first chamber is connected to a first oil passage, and the second chamber is connected to a second oil passage. The first oil passage and the second oil passage are respectively connected to a hydraulic pump assembly. The hydraulic pump assembly is used to supply oil to the first oil passage and the second oil passage or to draw oil from the second oil passage.

[0008] Furthermore, the main rotor includes an end cover and a body connected in sequence, the locking assembly is disposed at the edge of the end cover, the first oil passage and / or the second oil passage pass through the end cover and pass through the body and the main shaft in sequence to connect to the hydraulic pump assembly.

[0009] Furthermore, guide limiting blocks are provided on both sides of the locking block to guide the movement of the locking block.

[0010] Furthermore, an oil distribution assembly is provided between the main body and the main shaft, including a first oil distribution block and a second oil distribution block connected in sequence. The first oil distribution block and the second oil distribution block are provided with two oil distribution pipes for connecting the first oil circuit and the second oil circuit respectively. The top of the first oil distribution block is provided with a second sealing ring around the oil distribution pipe, and the bottom of the first oil distribution block and the second oil distribution block are provided with a high-pressure skeleton oil seal.

[0011] Furthermore, a baffle plate extends outward along its own radial direction on the piston rod, and the first sealing ring is sleeved on the outer edge of the baffle plate.

[0012] Furthermore, several locking components are arranged symmetrically around the axis of the main rotor.

[0013] Beneficial effects: The quick-lock and quick-release structure of the ring die of this utility model, by setting up a hydraulic cylinder and piston column, and supplying oil to the first chamber in the hydraulic cylinder through the hydraulic pump assembly and the first oil circuit and the second oil circuit respectively, realizes the reciprocating motion of the piston column, thereby realizing the locking block to lock the edge of the ring die. This method not only realizes automation and improves efficiency, but also improves the tightness of locking through hydraulic drive, reduces impact, and improves the service life of the ring die. Attached Figure Description

[0014] Appendix Figure 1 This is a plan view of one embodiment of the ring mold quick-lock and quick-release structure of this utility model;

[0015] Appendix Figure 2 for Figure 1 A cross-sectional plan view of section AA of the ring mold quick-lock and quick-release structure shown;

[0016] Appendix Figure 3 for Figure 1 An enlarged schematic diagram of point I of the ring mold quick-lock and quick-release structure shown;

[0017] Appendix Figure 4 for Figure 1 Enlarged schematic diagram of section II of the ring mold quick-lock and quick-release structure shown;

[0018] Appendix Figure 5 for Figure 2 A magnified planar schematic diagram of section III of the ring mold quick-lock and quick-release structure shown. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0020] It should be noted that the descriptions involving "first," "second," etc., in this utility model are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope claimed by this utility model.

[0021] See Figure 1-5 An embodiment of the quick-lock and quick-release ring mold structure of this utility model is shown, comprising: the ring mold quick-lock and quick-release structure mainly consists of a main rotor 11, a locking assembly 3, and a hydraulic pump assembly 19, which realizes the quick locking and disassembly of the ring mold 1 through hydraulic drive. The front end of the main rotor 11 is provided with a mounting hole to accommodate the ring mold 1, and the locking assembly 3, arranged at the edge of the mounting hole, is the core actuating component, with the following structure:

[0022] Mounting base 35 is fixed to the front end of main rotor 11 and has an internal hydraulic cylinder. Piston rod 33 within the cylinder can move radially along ring die 1. Locking block 31 is fixedly connected to the side of piston rod 33 facing ring die 1 to engage the edge of ring die 1. A first sealing ring 332 fitted on piston rod 33 divides the hydraulic cylinder into a first chamber 34 and a second chamber 32. The two chambers are connected to hydraulic pump assembly 19 via first oil passage 5 and second oil passage 4, respectively. When hydraulic pump assembly 19 supplies oil to first oil passage 5, the hydraulic pressure in first chamber 34 pushes piston rod 33, causing locking block 31 to move towards ring die 1 until locking block 31 engages the edge of ring die 1. If oil is supplied to second oil passage 4, the hydraulic pressure in second chamber 32 drives piston rod 33 to move in the opposite direction, releasing locking block 31.

[0023] The main rotor 11 is composed of an end cover 111 and a main body 112 connected in sequence, with a locking assembly 3 located on the edge of the end cover 111. The first oil passage 5 and the second oil passage 4 pass through the end cover 111, the main body 112, and the main shaft 13 before connecting to the hydraulic pump assembly 19, forming a closed oil passage. The oil distribution assembly between the main body 112 and the main shaft 13 includes a first oil distribution block 82 and a second oil distribution block 83, with two oil distribution pipes inside that connect the first oil passage 5 and the second oil passage 4 respectively. The oil distribution pipes are sealed by a second sealing ring and a high-pressure skeleton oil seal to prevent hydraulic oil leakage.

[0024] Guide limit blocks 21 are provided on both sides of the locking block 31 to guide the radial movement of the locking block 31 and prevent deviation during movement. A baffle 331 extends radially from the piston rod 33, and the first sealing ring 332 is sleeved on the outer edge of the baffle 331. The limiting effect of the baffle 331 ensures the accurate installation position of the sealing ring and improves the sealing performance of the cylinder.

[0025] During operation, the hydraulic pump assembly 19 supplies oil to the first oil circuit 5. The hydraulic oil enters the first chamber 34, pushing the piston rod 33 to move the locking block 31 radially until the locking block 31 engages with the edge of the ring mold 1, thus locking the ring mold 1. When it is necessary to disassemble the ring mold 1, the hydraulic pump assembly 19 supplies oil to the second oil circuit 4. The hydraulic oil enters the second chamber 32, pushing the piston rod 33 to move in the opposite direction, causing the locking block 31 to disengage from the edge of the ring mold 1, thus achieving rapid disassembly of the ring mold 1. Multiple locking assemblies 3 are symmetrically arranged around the axis of the main rotor 11. Synchronous hydraulic drive ensures that the locking force of each locking block 31 on the ring mold 1 is uniform and consistent, avoiding installation deviation of the ring mold 1 due to uneven locking force.

[0026] This structure replaces traditional manual locking with hydraulic drive, which not only improves the efficiency of ring die 1 replacement but also achieves uniform locking force through hydraulic system pressure control, avoiding differences in locking force caused by manual operation. Simultaneously, the guide limit block and sealing components ensure the stability and reliability of the structure, reduce the risk of hydraulic system leakage, and extend the service life of the equipment. The entire quick-lock and quick-release process is highly automated, significantly reducing the labor intensity of workers and making it suitable for scenarios in feed production where ring die 1 needs frequent replacement.

[0027] In some preferred embodiments, several locking components 3 are arranged symmetrically around the axis of the main rotor 11 to achieve uniform locking. Guide limiting blocks 21 are also provided on both sides of the locking block 31 to guide its movement. Further, an oil distribution assembly 8 is provided between the main body 112 and the main shaft 13, including a first oil distribution block 82 and a second oil distribution block 83 connected in sequence. The first and second oil distribution blocks 82 and 83 each contain two oil distribution pipes that respectively connect to the first oil passage 5 and the second oil passage 4. A second sealing ring 81 is provided around the oil distribution pipe at the top of the first oil distribution block 82, and a high-pressure skeleton oil seal 84 is provided at the bottom of the first and second oil distribution blocks 82 and 83. The high-pressure skeleton oil seal 84 serves to transmit and seal the oil passages to prevent oil overflow. Each oil distribution block serves to fix the oil distribution pipe.

[0028] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A quick-lock and quick-release structure for a ring mold, characterized in that, include: A main rotor for fixing the ring die is driven and connected to a main shaft. The front end of the main rotor has a mounting hole for accommodating the ring die. A locking assembly for fixing the ring die is provided at the front edge of the mounting hole. The locking assembly includes: A mounting base is fixedly connected to the front end of the main rotor. A hydraulic cylinder is provided inside the mounting base. A piston rod that can move radially along the ring die is provided inside the hydraulic cylinder. A locking block is fixedly connected to the side of the piston rod facing the ring die. The locking block is used to engage the edge of the ring die. A first sealing ring is fitted on the piston rod, and the first sealing ring divides the hydraulic cylinder into a first chamber and a second chamber. The first chamber is connected to a first oil passage, and the second chamber is connected to a second oil passage. The first oil passage and the second oil passage are respectively connected to a hydraulic pump assembly. The hydraulic pump assembly is used to supply oil to the first oil passage and the second oil passage or to draw oil from the second oil passage.

2. The ring mold quick-lock and quick-release structure according to claim 1, characterized in that: The main rotor includes an end cover and a body connected in sequence. The locking assembly is located at the edge of the end cover. The first oil passage and / or the second oil passage pass through the end cover and pass through the body and the main shaft in sequence to connect to the hydraulic pump assembly.

3. The ring mold quick-lock and quick-release structure according to claim 1, characterized in that: The locking block is also provided with guide limiting blocks on both sides to guide the movement of the locking block.

4. The ring mold quick-lock and quick-release structure according to claim 2, characterized in that: An oil distribution assembly is provided between the main body and the main shaft, including a first oil distribution block and a second oil distribution block connected in sequence. The first oil distribution block and the second oil distribution block are provided with two oil distribution pipes for connecting the first oil circuit and the second oil circuit respectively. The top of the first oil distribution block is provided with a second sealing ring around the oil distribution pipe, and the bottom of the first oil distribution block and the second oil distribution block are provided with a high-pressure skeleton oil seal.

5. The ring mold quick-lock and quick-release structure according to claim 2, characterized in that: A baffle plate extends radially outward from the piston rod, and the first sealing ring is fitted around the outer edge of the baffle plate.

6. The ring mold quick-lock and quick-release structure according to any one of claims 1-5, characterized in that: Several locking assemblies are arranged symmetrically around the axis of the main rotor.