Shell fixing flange mold
By using a fixed flange mold for spray shell production, the problems of low efficiency and difficulty in ensuring precision in spray shell production have been solved, achieving efficient and low-cost standardized production and ensuring product consistency.
Patent Information
- Application Number
- CN202521990377.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-16
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-09-16
AI Technical Summary
The current production efficiency of spray shells is low, and coaxiality and precision are difficult to guarantee. They rely on manual measurement and finishing, making it impossible to achieve large-scale production.
The spray shell fixing flange mold is adopted, including the outer shell, lower flange, fixing flange, nozzle water baffle ring, connecting pipe and positioning mold. The mold design fixes the position of the components, absorbs welding heat stress, and ensures coaxiality and accuracy.
Significantly improves production efficiency, reduces costs, ensures product precision consistency, and achieves standardized and modular production.
Smart Images
Figure CN224674165U_ABST
Abstract
Description
Technical Field
[0001] This utility model discloses a spray shell mold, belonging to the technical field of dyeing machine, specifically relating to a spray shell fixing flange mold. Background Technology
[0002] The bottom-feed dyeing machine is a type of liquid dyeing equipment. Its core feature is that the fabric is driven by the dye liquor at the bottom of the main cylinder of the machine to complete the circulation. Its working principle is: using a high-flow circulation pump, the dye liquor is drawn from the bottom of the dyeing cylinder and then powerfully sprayed through a special nozzle (i.e., "spray shell"), thereby driving the fabric wrapped in front of the spray shell forward.
[0003] Its fundamental difference from an air-flow dyeing machine lies in the power source that drives the fabric:
[0004] Top-feeding / airflow type: mainly relies on the traction force of high-pressure airflow to lift and transport the fabric from the bottom of the dyeing vat.
[0005] Downflow / liquid flow type: mainly relies on the impact force and buoyancy of a large flow of dye liquor to propel the fabric in a horizontal or slightly inclined pipe.
[0006] The spray shell of the bottom-feed dyeing machine is its most crucial component. It provides the power for the fabric's movement. A circulating pump pressurizes the dye liquor and sends it into the spray shell. The spray shell has a specific flow channel design that converts the pressure energy of the dye liquor into kinetic energy, forming a high-speed, concentrated liquid flow. This powerful liquid flow directly impacts the fabric, providing the core power for its continuous circulation within the sealed pipes.
[0007] The existing technology for producing spray shells uses a welding method, which causes deformation during the welding process, requiring subsequent precision machining. Coaxiality also needs to be measured manually. This method has low production efficiency and cannot guarantee the coaxiality of the spray shell, and has the following disadvantages:
[0008] 1. Components are fixed by spot welding manually. During subsequent continuous welding, uneven heating and inconsistent cooling and shrinkage can cause unpredictable deformations such as twisting and warping. To correct these deformations, a large machining allowance must be reserved, relying on numerous milling, planing, grinding, and other finishing processes to restore dimensions and flatness, which is time-consuming and wasteful of materials.
[0009] 2. The coaxiality, parallelism, and center height of key components such as the inlet flange and outlet pipe of the spray shell rely entirely on the experience of skilled workers and a dazzling array of tools such as scribing lines, calipers, and dial indicators for repeated measurements and adjustments. This process is inefficient and has extremely poor quality stability, with significant differences in precision between different workers or different batches of products.
[0010] 3. Assembly and quality are highly dependent on skilled workers, making it difficult to carry out large-scale, assembly-line production. Utility Model Content
[0011] Purpose of the utility model: To provide a spray shell fixing flange mold to solve the above-mentioned problems.
[0012] Technical solution: A spray shell fixing flange mold, comprising: a shell, a lower flange, a fixing flange, a nozzle water baffle ring, a connecting pipe, a positioning mold, and a connecting flange;
[0013] The lower flange is fixedly connected to the bottom of the outer shell, the fixed flange is located in the outer shell and fixedly installed inside the outer shell, the fixed flange and the lower flange form an installation cavity for installing the positioning mold, the positioning mold is installed in the installation cavity and fixedly connected to the fixed flange, the nozzle water baffle is located in the installation cavity and sleeved on the outside of the positioning mold, one end of the connecting pipe is fixedly connected to the outer shell and communicates with the installation cavity, and the other end is fixedly connected to the connecting flange.
[0014] Furthermore, the lower flange is provided with a positioning groove at its center, and the bottom of the positioning mold is provided with a positioning block that mates with the positioning groove.
[0015] Furthermore, the nozzle water-blocking ring is composed of a cylindrical shell and several rectangular fins;
[0016] Furthermore, the rectangular fins are fixedly mounted on the cylindrical shell in an equidistant array and perpendicularly intersecting.
[0017] Furthermore, the lower flange is provided with a mounting groove for installing the nozzle water baffle ring.
[0018] Furthermore, the fixed flange and the positioning mold are provided with corresponding screw holes, and the fixed flange and the positioning mold are fixedly connected by studs connecting the screw holes.
[0019] Beneficial effects: This utility model uses mold production, which can ensure coaxiality while reducing the number of processes. The specific advantages are as follows:
[0020] 1. This utility model forcibly fixes all core components in the correct geometric position designed by the mold before welding. The mold not only provides positioning but also effectively absorbs and disperses the thermal stress generated during welding, greatly restricting the deformation freedom of the parts. As a result, the deformation of the welded product is negligible, requiring only minimal or even no subsequent finishing to meet the requirements, significantly improving production efficiency and reducing costs and energy consumption.
[0021] 2. This invention guarantees extremely high geometric accuracy. Once the parts are placed in the mold and clamped, their relative positions (such as concentricity, parallelism, and center distance) are naturally guaranteed by the mold, rather than determined by the operator's skill. This fundamentally eliminates human error and ensures consistent product precision. After welding, the dimensional pass rate is close to 100%, eliminating the need for complex manual precision verification.
[0022] 3. This utility model enables the standardization and modularization of the production process, significantly shortens the production cycle of individual products, and ensures a high degree of consistency among all products. Attached Figure Description
[0023] Figure 1 This is an isometric drawing of this utility model.
[0024] Figure 2 This is the front view of this utility model.
[0025] Figure 3 This is a cross-sectional view of the present invention. Figure 1 .
[0026] Figure 4 This is a cross-sectional view of the present invention. Figure 2 .
[0027] Reference numerals: 1. Outer shell; 2. Lower flange; 3. Fixed flange; 4. Nozzle baffle ring; 5. Connecting pipe; 6. Positioning mold; 7. Connecting flange; 8. Cylindrical shell; 9. Rectangular fin. Detailed Implementation
[0028] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0029] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.
[0031] A spray shell fixing flange mold includes: outer shell 1, lower flange 2, fixing flange 3, nozzle water baffle ring 4, connecting pipe 5, positioning mold 6, and connecting flange 7.
[0032] In one embodiment, such as Figures 1 to 4 As shown, the lower flange 2 is fixedly connected to the bottom of the outer shell 1, the fixed flange 3 is located in the outer shell 1 and fixedly installed inside the outer shell 1, the fixed flange 3 and the lower flange 2 form an installation cavity for installing the positioning mold 6, the positioning mold 6 is installed in the installation cavity and fixedly connected to the fixed flange 3, the nozzle baffle ring 4 is located in the installation cavity and sleeved on the outside of the positioning mold 6, one end of the connecting pipe 5 is fixedly connected to the outer shell 1 and communicates with the installation cavity, and the other end is fixedly connected to the connecting flange 7.
[0033] In one embodiment, such as Figures 1 to 4 As shown, the lower flange 2 has a positioning groove in the center, and the bottom of the positioning mold 6 has a positioning block that cooperates with the positioning groove.
[0034] In one embodiment, such as Figures 1 to 4 As shown, the nozzle water baffle ring 4 is composed of a cylindrical shell 8 and several rectangular fins 9;
[0035] The rectangular fins 9 are fixedly mounted on the cylindrical shell 8 in an equidistant array and perpendicularly intersecting.
[0036] In one embodiment, such as Figures 1 to 4 As shown, the lower flange 2 is provided with a mounting groove for installing the nozzle water baffle ring 4.
[0037] In one embodiment, such as Figures 1 to 4 As shown, the fixed flange 3 and the positioning mold 6 are provided with corresponding screw holes, and the fixed flange 3 and the positioning mold 6 are fixedly connected by studs to the screw holes.
[0038] Working principle: During production, the positioning mold 6 is fixed inside the mounting cavity of the outer shell 1. Simultaneously, the positioning mold 6 and the fixing flange 3 are secured with bolts. Introducing the positioning mold into the spray shell production process moves the quality assurance stage forward by using process equipment (molds), transforming precision control from a later "inspection-correction" mode to an earlier "design-assurance" mode. This not only solves core pain points such as welding deformation, reliance on precision machining, and errors from manual measurement, but also achieves standardization, automation, and high efficiency in the production process.
[0039] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.
Claims
1. A mold for fixing a spray shell, characterized in that, include: The outer casing, lower flange, fixed flange, nozzle baffle ring, connecting pipe, positioning mold, and connecting flange; The lower flange is fixedly connected to the bottom of the outer shell, the fixed flange is located in the outer shell and fixedly installed inside the outer shell, the fixed flange and the lower flange form an installation cavity for installing the positioning mold, the positioning mold is installed in the installation cavity and fixedly connected to the fixed flange, the nozzle water baffle is located in the installation cavity and sleeved on the outside of the positioning mold, one end of the connecting pipe is fixedly connected to the outer shell and communicates with the installation cavity, and the other end is fixedly connected to the connecting flange.
2. The spray shell fixing flange mold according to claim 1, characterized in that, The lower flange has a positioning groove at its center, and the bottom of the positioning mold has a positioning block that mates with the positioning groove.
3. The spray shell fixing flange mold according to claim 1, characterized in that, The nozzle baffle ring consists of a cylindrical shell and several rectangular fins; The rectangular fins are fixedly mounted on the cylindrical shell in an equidistant array and perpendicularly intersecting.
4. The spray shell fixing flange mold according to claim 1, characterized in that, The lower flange is provided with a mounting groove for installing the nozzle water baffle ring.
5. The spray shell fixing flange mold according to claim 1, characterized in that, The fixed flange and the positioning mold are provided with corresponding screw holes, and the fixed flange and the positioning mold are fixedly connected by connecting the screw holes with studs.