Cooling water tank device for negative pressure forming of plastic profile

By installing a dirt collection component inside the cooling water tank, the problem of dirt entering the circulation pipeline is solved, achieving effective blockage and convenient cleaning of dirt, protecting equipment and improving production quality.

CN223877505UActive Publication Date: 2026-02-06FUJIAN XINSIYANG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520514300.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-02-06
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

The existing cooling water tank design allows contaminants to enter the circulation pipeline, damaging the circulating water pump and scratching the surface of the plastic profile.

Method used

Inside the cooling water tank, there is a dirt collection component corresponding to the inlet and outlet water pipes, including a dirt collection bend and a filter screen. It is inserted into the inlet and outlet water pipes by a coaxial sliding fit and can be detached and fixed by a disassembly and assembly assembly.

Benefits of technology

It effectively prevents dirt from entering the circulation pipeline, protects the circulating water pump, and prevents dirt from scratching the surface of the plastic profile. At the same time, it facilitates the quick assembly and disassembly of the dirt collection components and makes regular cleaning easy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a plastic profile negative pressure forming cooling water tank device which comprises a cooling water tank body, the top of the cooling water tank body is open, and the front position and the rear position of the lower portion of one side of the cooling water tank body are fixedly communicated with water inlet and outlet connecting pipes in the transverse direction. Dirt collecting assemblies which correspond to the water inlet and outlet connecting pipes in number and are respectively and coaxially contrasted with the water inlet and outlet connecting pipes are arranged in the cooling water tank body. The cooling water tank has the beneficial effects that the dirt collecting assemblies which correspond to the water inlet and outlet connecting pipes in number and are respectively and coaxially contrasted with the water inlet and outlet connecting pipes are arranged in the cooling water tank body, so that the horizontal parts of the dirt collecting bent pipes of the dirt collecting assemblies are inserted into the water inlet and outlet connecting pipes in a coaxial sliding fit manner; the filter screen at the outer end of the horizontal part of the dirt collecting elbow can prevent dirt in the cooling water tank body from flowing to the outside through the water inlet and outlet connecting pipe, so that the dirt is prevented from entering a circulating pipeline to damage a circulating water pump, and meanwhile, the dirt is prevented from flowing to scratch the surface of a plastic profile.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of plastic profile negative pressure forming auxiliary assembly, concretely relates to a plastic profile negative pressure forming cooling water tank device. BACKGROUND

[0002] Plastic profile is formed through extrusion die negative pressure extrusion, and in the processing of plastic profile, a cold and heat management system plays a vital role in plastic forming, which includes an energy-saving variable frequency constant pressure water supply system and a die heating system, these systems control the temperature of the die in the injection molding process, thereby ensuring the quality, stability and production efficiency of injection molded products, through these systems, not only the product quality and production efficiency can be improved, but also the cost and energy of enterprises can be saved.

[0003] In the prior art, the cold and heat management system is usually composed of a water chiller, a die temperature controller, a centralized control cabinet, a cooling tower, a water pump, a cooling water tank, a constant temperature water tank and a conveying pipeline. These components work together to ensure stable operation and optimal performance of the system. Specifically, the cooling water tank is usually a stainless steel tank, and the inlet and outlet water connections at the bottom of the cooling water tank are connected to the circulating pipeline and circulating water pump to supply cooling water. However, the top of the current cooling water tank is usually designed as an open type, which causes some small dirt in the environment to inevitably fall into the cooling water tank. Since the inlet and outlet water connections of the cooling water tank usually do not have a filter component, the dirt can be sucked into the circulating pipeline, which can cause the circulating water pump to malfunction and can scratch the surface of the flowing plastic profile. SUMMARY

[0004] The utility model discloses a plastic profile negative pressure forming cooling water tank device is provided to solve the above -mentioned problem, set up with the dirt collection assembly that corresponds and respectively same coaxial contrast in the inside of cooling water tank body with the number of inlet and outlet water connections, then make the dirt collection assembly's dirt collection elbow horizontal part with coaxial sliding fit mode inserts into the inlet and outlet water connections, can prevent the dirt in the cooling water tank body through the filter screen of dirt collection elbow horizontal part outer end and flow out to the outside through the inlet and outlet water connections, see the elaboration below.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of plastic profile negative pressure forming cooling water tank device, including cooling water tank body, the top of cooling water tank body is open, the side lower part of cooling water tank body is fixed with inlet and outlet water connector in front and back positions along transverse, and the inside of cooling water tank body is provided with the dirt collection assembly corresponding with the number of inlet and outlet water connector and respectively coaxial contrast, to prevent the dirt in the cooling water tank body from flowing out to outside through the inlet and outlet water connector by the dirt collection assembly;

[0007] Cooling water tank body top surface side portion is combined with dismounting and assembling assembly above the dirt collection assembly, and the dirt collection assembly is detachably fixed in the inside of cooling water tank body by the dismounting and assembling assembly.

[0008] Preferably, the dirt collection assembly includes a dirt collection elbow and a filter screen, the dirt collection elbow is placed inside the cooling water tank body, and the horizontal part is coaxially inserted into the corresponding inlet and outlet water connector by transverse sliding fit, and the outer end of the horizontal part of the dirt collection elbow is coaxially expanded and fixed with the filter screen, the top vertical part of the dirt collection elbow is coaxially fixed with an annular end plate at the outer periphery of the top end, and the top surface of the annular end plate is vertically fixed with a connecting rod at the front and rear positions by a connecting sleeve, and the top end of the connecting rod is detachably connected with the cooling water tank body by the dismounting and assembling assembly.

[0009] Preferably, the filter screen is a multi-layer fine metal screen.

[0010] Preferably, the connecting rod and the connecting sleeve are combined and connected by thread cooperation.

[0011] Preferably, the dismounting and assembling assembly includes a plug-in plate and a fixing sleeve, the top end of the connecting rod is horizontally fixed with the plug-in plate by the connecting sleeve, the top surface of the plug-in plate is provided with a limiting hole, the fixing sleeve is horizontally fixed on the side of the cooling water tank body, the end surface of the fixing sleeve close to the connecting rod is horizontally provided with an insertion slot, the insertion slot and the plug-in plate are one-to-one corresponding and transversely sliding fit, the top surface of the fixing sleeve is vertically provided with a mounting hole, the mounting hole is vertically communicated with the corresponding insertion slot, and the mounting hole is vertically coaxially aligned with the corresponding limiting hole, the mounting hole is vertically coaxially slidingly inserted with a limiting rod, and the lower end of the limiting rod is vertically slidingly fit with the corresponding limiting hole.

[0012] As preferred, top ends of the limiting rods extend out of the top surface of the fixing sleeve and are coaxially fixed with handles, the portions of the limiting rods between the handles and the top surface of the fixing sleeve are coaxially matched with springs, and two ends of the spring are respectively fixedly connected with the corresponding handle and the top surface of the fixing sleeve.

[0013] As preferred, the plug plates and the plug slots are both rectangular in the longitudinal vertical section.

[0014] As preferred, the plug slots are all blind slots in the transverse direction, and the side ends of the plug plates are all in contact with the inner ends of the corresponding plug slots.

[0015] In the use of the cooling water tank body, since the dirt collecting assembly corresponding to the number of water inlet and outlet pipes is coaxially arranged in the cooling water tank body, the horizontal part of the dirt collecting elbow of the dirt collecting assembly is inserted into the water inlet and outlet pipe in a coaxial sliding fit, and the filter screen at the outer end of the horizontal part of the dirt collecting elbow can prevent the dirt in the cooling water tank body from flowing out to the outside through the water inlet and outlet pipe, thereby avoiding the damage of the circulating water pump caused by the dirt entering the circulating pipeline and preventing the dirt from scratching the surface of the plastic profile. In the combination and disassembly of the dirt collecting assembly and the cooling water tank body, the dirt collecting assembly can be detachably combined and fixed in the cooling water tank body through the transverse sliding fit of the plug plate and the plug slot and the vertical sliding fit of the limiting rod and the limiting hole. The combination of the dirt collecting assembly in the cooling water tank body is simple and easy to implement, thereby facilitating the quick combination and fixation of the dirt collecting assembly in the cooling water tank body for dirt collection. Subsequently, only the handle needs to be held and pulled, and the limiting rod needs to be pulled out of the limiting hole through the stretching of the spring, and then the plug plate needs to be pulled out of the plug slot and the horizontal part of the dirt collecting elbow needs to be pulled out of the water inlet and outlet pipe. In this way, the dirt collecting assembly can be quickly detached from the cooling water tank body and removed from the top of the cooling water tank body. The disassembly of the dirt collecting assembly in the cooling water tank body is simple and easy to implement, thereby facilitating the subsequent regular cleaning and maintenance of the dirt collecting assembly after it is detached from the cooling water tank body.

[0016] The beneficial effects are as follows: 1. The present invention has a dirt collection component inside the cooling water tank body that corresponds to the number of inlet and outlet water pipes and is coaxially aligned with each other. Then, the horizontal part of the dirt collection bend of the dirt collection component is inserted into the inlet and outlet water pipes in a coaxial sliding fit. The filter screen at the outer end of the horizontal part of the dirt collection bend can prevent dirt in the cooling water tank body from flowing out to the outside through the inlet and outlet water pipes, thus avoiding dirt from entering the circulation pipeline and damaging the circulation water pump. At the same time, it prevents dirt from scratching the surface of the plastic profile.

[0017] 2. By using the horizontal sliding engagement of the insert plate and slot of the assembly and disassembly assembly and the vertical sliding engagement of the limiting rod and the limiting hole, the waste collection assembly can be detachably assembled and fixed inside the cooling water tank body. The assembly method of the waste collection assembly inside the cooling water tank body is simple and easy to realize, which makes it easy to quickly assemble and fix the waste collection assembly inside the cooling water tank body for waste collection.

[0018] 3. Simply pull the limiting rod out of the limiting hole to allow the insert plate to slide laterally out of the slot and the horizontal part of the sludge collection bend to slide laterally out of the inlet and outlet water pipes. This allows the sludge collection component to be quickly removed from the interior of the cooling water tank. The removal of the sludge collection component from the interior of the cooling water tank is simple and easy, which facilitates regular cleaning and maintenance after the sludge collection component is removed from the interior of the cooling water tank. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is an overall isometric schematic diagram of this utility model;

[0021] Figure 2 This is a utility model Figure 1 Cross-section diagram Figure 1 ;

[0022] Figure 3 This is a utility model Figure 2 A magnified view of part A;

[0023] Figure 4 This is a utility model Figure 1 Cross-section diagram Figure 2 ;

[0024] Figure 5 This is a utility model Figure 1 Front view diagram;

[0025] Figure 6 is the left view schematic diagram of the utility model Figure 1 ;

[0026] Figure 7 is the top view schematic diagram of the utility model Figure 1 .

[0027] The sign of the drawing mark is as follows:

[0028] 1, cooling water tank body;101, inlet and outlet water connector;2, dismounting and assembling assembly;201, plugboard;202, handle;203, spring;204, fixed sleeve;205, limiting rod;206, mounting hole;207, limiting hole;208, slot;3, dirt collecting assembly;301, filter screen;302, collecting bend;303, annular end plate;304, connecting sleeve;305, connecting rod. Specific implementation

[0029] In order to make the purpose, technical scheme and advantage of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other implementation manners obtained by the ordinary skill in the art without making the creative labor belong to the scope of the utility model.

[0030] Referring to Figures 1-7The utility model provides a kind of plastic profile negative pressure forming cooling water tank device, including cooling water tank body 1, the top of cooling water tank body 1 is open, the lower part of the side of cooling water tank body 1 is fixedly connected with inlet and outlet water connecting pipe 101 along transverse in front and back position, and the inside of cooling water tank body 1 is provided with the dirt collection assembly 3 corresponding with the number of inlet and outlet water connecting pipe 101 and respectively coaxial contrast, to prevent dirt in cooling water tank body 1 from flowing out to outside through inlet and outlet water connecting pipe 101 by dirt collection assembly 3, specifically, dirt collection assembly 3 includes dirt collection elbow pipe 302 and filter screen 301, dirt collection elbow pipe 302 is placed in the inside of cooling water tank body 1 and horizontal part is inserted into corresponding inlet and outlet water connecting pipe 101 by transverse sliding fit mode coaxially, while the outer end of dirt collection elbow pipe 302 horizontal part is coaxially unfolded and closed and fixed with filter screen 301, the top vertical part of dirt collection elbow pipe 302 is coaxially fixed with annular end plate 303 in the periphery of top end, and the top surface of annular end plate 303 is vertically fixed with connecting rod 305 in front and back position by connecting sleeve 304, while the top end of connecting rod 305 is detachably connected with cooling water tank body 1 by dismounting and assembling assembly 2, the effect of such arrangement is that, after the horizontal part of dirt collection elbow pipe 302 of dirt collection assembly 3 is inserted into inlet and outlet water connecting pipe 101 in coaxial sliding fit mode, dirt in cooling water tank body 1 can be prevented from flowing out to outside through inlet and outlet water connecting pipe 101 by filter screen 301 of dirt collection elbow pipe 302 horizontal part outer end.

[0031] Referring to Figures 1-4As shown, the top side of the cooling water tank body 1 is provided with a disassembly and assembly assembly 2 above the dirt collecting assembly 3, and the dirt collecting assembly 3 is detachably fixed in the cooling water tank body 1 through the disassembly and assembly assembly 2. Specifically, the disassembly and assembly assembly 2 includes a plug plate 201 and a fixing sleeve 204, the top end of the connecting rod 305 is horizontally fixed with the plug plate 201 through the connecting sleeve 304, the top surface of the plug plate 201 is provided with a limiting hole 207, the top surface of the cooling water tank body 1 is horizontally fixed with the fixing sleeve 204 beside the connecting rod 305, the end surface of the fixing sleeve 204 close to the connecting rod 305 is horizontally provided with a slot 208, the slot 208 corresponds to the plug plate 201 and is horizontally slidably connected, the top surface of the fixing sleeve 204 is vertically provided with a mounting hole 206, the mounting hole 206 is vertically communicated with the corresponding slot 208, the mounting hole 206 is vertically coaxially connected with the corresponding limiting hole 207, the mounting hole 206 is vertically coaxially inserted with a limiting rod 205, the lower end of the limiting rod 205 is vertically slidably connected with the corresponding limiting hole 207, the top end of the limiting rod 205 extends out of the top surface of the corresponding fixing sleeve 204 and is coaxially fixed with a handle 202, the part of the limiting rod 205 between the corresponding handle 202 and the top surface of the fixing sleeve 204 is coaxially gap-connected with a spring 203, and the two ends of the spring 203 are respectively fixedly connected with the corresponding handle 202 and the top surface of the fixing sleeve 204. The purpose of this arrangement is that the plug plate 201 and the slot 208 are horizontally slidably connected and the limiting rod 205 and the limiting hole 207 are vertically slidably connected, so that the dirt collecting assembly 3 can be detachably assembled in the cooling water tank body 1, and the plug plate 201 can be horizontally slidably connected and the dirt collecting assembly 3 can be horizontally slidably connected. The horizontal part of the dirt collecting assembly 3 is horizontally slidably connected and the inlet and outlet water connecting pipe 101 is horizontally slidably connected, so that the dirt collecting assembly 3 can be quickly disassembled from the cooling water tank body 1, and the dirt collecting assembly 3 can be easily assembled and disassembled in the cooling water tank body 1.

[0032] Referring to Figures 1-7 Figures 1-7As shown, the following optimizations are performed on the dirt collecting assembly 3 and the disassembly and assembly assembly 2 respectively. Specifically to the dirt collecting assembly 3, the filter screen 301 is a multi-layer fine metal screen, so that the filter screen 301 has a design effect meeting the use requirements, and can ensure that the dirt in the cooling water tank body 1 can be blocked and filtered. Meanwhile, the connecting rod 305 and the connecting sleeve 304 are combined and connected through threaded cooperation, so that the upper and lower ends of the connecting rod 305 can be quickly combined and split with the corresponding connecting sleeve 304. And specifically to the disassembly and assembly assembly 2, the cross-sectional shape of the plug plate 201 and the plug groove 208 along the vertical longitudinal plane is rectangular, so that the plug plate 201 has a good guiding and correcting design when sliding transversely along the plug groove 208. Meanwhile, the plug groove 208 is a blind groove in the transverse direction, and the side end of the plug plate 201 is in contact with the inner end of the corresponding plug groove 208. In this way, during the transverse sliding of the plug plate 201 along the plug groove 208, when the limiting hole 207 is transversely shifted with the plug plate 201 to be vertically coaxial with the limiting hole 207, the side end of the plug plate 201 is in contact with the inner end of the corresponding plug groove 208. The above-mentioned mode can obviously prompt, and at the same time, it is also convenient to obviously indicate that the horizontal part of the dirt collecting elbow 302 has been inserted into the water inlet and outlet pipe 101.

[0033] With the above structure, in the use of the cooling water tank body 1, since the dirt collecting assembly 3 corresponding to the number of water inlet and outlet pipes 101 is arranged in the cooling water tank body 1, and the horizontal part of the dirt collecting elbow 302 of the dirt collecting assembly 3 is inserted into the water inlet and outlet pipe 101 in a coaxial sliding fit, the filter screen 301 at the outer end of the horizontal part of the dirt collecting elbow 302 can prevent the dirt in the cooling water tank body 1 from flowing out to the outside through the water inlet and outlet pipe 101, avoiding the dirt from entering the circulating pipeline and damaging the circulating water pump, and preventing the dirt from scratching the surface of the plastic profile. In the combination and disassembly of the dirt collecting assembly 3 and the cooling water tank body 1, the dirt collecting assembly 3 can be detachably combined and fixed in the cooling water tank body 1 through the horizontal sliding fit of the plug plate 201 and the plug slot 208 and the vertical sliding fit of the limiting rod 205 and the limiting hole 207, the combination of the dirt collecting assembly 3 in the cooling water tank body 1 is simple and easy to implement, and then the dirt collecting assembly 3 can be quickly combined and fixed in the cooling water tank body 1 for dirt collection, and then the limiting rod 205 is pulled out of the limiting hole 207 by pulling the handle 202 and stretching the spring 203, and then the plug plate 201 is pulled out of the plug slot 208 and the horizontal part of the dirt collecting elbow 302 is pulled out of the water inlet and outlet pipe 101, so that the dirt collecting assembly 3 can be quickly disassembled from the inside of the cooling water tank body 1 and taken out from the top of the cooling water tank body 1, and the disassembly of the dirt collecting assembly 3 in the cooling water tank body 1 is simple and easy to implement, and then the dirt collecting assembly 3 can be easily disassembled from the inside of the cooling water tank body 1 for regular cleaning and maintenance.

[0034] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A plastic profile negative pressure molding cooling water tank device, comprising a cooling water tank body (1), characterized in that: The top of the cooling water tank body (1) is open. The front and rear positions of the lower side of the cooling water tank body (1) are both fixedly connected to the inlet and outlet water pipes (101) in the horizontal direction. The interior of the cooling water tank body (1) is provided with a dirt collection assembly (3) corresponding to the number of the inlet and outlet water pipes (101) and coaxially aligned, so as to prevent dirt in the cooling water tank body (1) from flowing out to the outside through the inlet and outlet water pipes (101) by means of the dirt collection assembly (3). The top side of the cooling water tank body (1) is equipped with a disassembly assembly (2) above the waste collection assembly (3), and the waste collection assembly (3) is detachably fixed inside the cooling water tank body (1) through the disassembly assembly (2).

2. The plastic profile negative pressure molding cooling water tank device according to claim 1, characterized in that: Each of the waste collection components (3) includes a waste collection bend (302) and a filter screen (301). The waste collection bend (302) is placed inside the cooling water tank body (1), and the horizontal part is coaxially inserted into the corresponding inlet and outlet water pipes (101) through a horizontal sliding fit. At the same time, the outer end of the horizontal part of the waste collection bend (302) is coaxially unfolded and closed to fix the filter screen (301). The top vertical part of the waste collection bend (302) is coaxially fixed with an annular end plate (303) on its outer periphery. The front and rear positions of the top of the annular end plate (303) are vertically fixed with a connecting rod (305) through a connecting sleeve (304). At the same time, the top of the connecting rod (305) is detachably connected to the cooling water tank body (1) through the disassembly and assembly assembly (2).

3. The plastic profile negative pressure molding cooling water tank device according to claim 2, characterized in that: The filter screens (301) are all multi-layered fine metal mesh.

4. The plastic profile negative pressure molding cooling water tank device according to claim 2, characterized in that: The connecting rod (305) and the connecting sleeve (304) are both connected by a threaded connection.

5. A plastic profile negative pressure molding cooling water tank device according to claim 2, 3 or 4, characterized in that: Each of the disassembly and assembly components (2) includes a insert plate (201) and a fixing sleeve (204). The top of each connecting rod (305) is horizontally fixed with the insert plate (201) through the connecting sleeve (304). The top surface of each insert plate (201) has a limiting hole (207). The top surface of one side of the cooling water tank body (1) is horizontally fixed with the fixing sleeve (204) next to the connecting rod (305). The end face of the fixing sleeve (204) near the connecting rod (305) has a slot (208) horizontally opened. Meanwhile, the slots (208) and the inserts (201) correspond one-to-one and slide horizontally together. The top surface of each fixed sleeve (204) is provided with a mounting hole (206) along the vertical direction. Each mounting hole (206) is vertically connected to the corresponding slot (208), and each mounting hole (206) is vertically coaxial with the corresponding limiting hole (207). Each mounting hole (206) slides through a limiting rod (205) along the vertical coaxial direction, and the lower end of each limiting rod (205) slides vertically together with the corresponding limiting hole (207).

6. The plastic profile negative pressure molding cooling water tank device according to claim 5, characterized in that: The top of each limiting rod (205) extends out of the top surface of the corresponding fixing sleeve (204) and is coaxially fixed with a handle (202). The portion of the limiting rod (205) located between the top surface of the corresponding handle (202) and the top surface of the fixing sleeve (204) is coaxially fitted with a spring (203), and the two ends of the spring (203) are respectively fixedly connected to the top surface of the corresponding handle (202) and the top surface of the fixing sleeve (204).

7. The plastic profile negative pressure molding cooling water tank device according to claim 6, characterized in that: The cross-sectional shape of both the insert plate (201) and the slot (208) along the longitudinal vertical plane is rectangular.

8. The plastic profile negative pressure molding cooling water tank device according to claim 6 or 7, characterized in that: The slots (208) are all blind slots in the horizontal direction, and the side ends of the insert plates (201) are all in contact with the inner ends of the corresponding slots (208).